CN211525436U

CN211525436U - Stand mixer

Info

Publication number: CN211525436U
Application number: CN201922144541.2U
Authority: CN
Inventors: 万里军; 谢进祥; 倪堂荣
Original assignee: Dongguan Zhenzhongkang Precision Transmission Technology Co ltd
Current assignee: Dongguan Zhenzhongkang Precision Transmission Technology Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-09-18
Anticipated expiration: 2029-12-03

Abstract

The utility model discloses a cook machine, wherein, cook machine includes base, drive mechanism and rabbling mechanism, and the one end of base is equipped with puts the cup, and the other end is equipped with motor support, is equipped with driving motor on the motor support, and drive mechanism includes the worm be connected with the driving motor transmission, and with worm complex reduction gear, reduction gear's worm tooth sets up the terminal surface at reduction gear to and the rabbling mechanism transmission is connected in reduction gear, and the suspension is in and is put the cup top. The technical proposal of the utility model has the advantages of simple structure and low transmission noise.

Description

Stand mixer

Technical Field

The utility model relates to a food processing equipment field, in particular to cook machine.

Background

The cooker mainly integrates multiple functions of stirring or food treatment and the like, can realize power output through the transmission of a host, and can realize the functions of stirring, dough kneading and the like by driving an output shaft to rotate and matching with different processing accessories after a motor in the host is electrified;

the existing chef machines all adopt a motor with a reduction gearbox for transmission to realize the output of lower rotating speed; because the rotating speed of a common motor is relatively high, in order to realize the output of low rotating speed (about 120-250 rpm), a large transmission ratio is needed for speed reduction; and the currently generally adopted reduction transmission scheme is as follows: the transmission is realized by adopting a multi-stage speed reducing mechanism (belt speed reduction or gear speed reduction), and the scheme has the defects of more transmission stages, more gears and more parts, thereby causing large occupied space, short service life of the gears and high noise of the transmission.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a cook machine, aiming at simplifying the whole structure and reducing the transmission noise.

In order to achieve the above object, the present invention provides a cook machine, including:

a base, one end of which is provided with a cup placing seat and the other end of which is provided with a motor bracket;

the driving motor is arranged on the motor bracket;

the transmission mechanism comprises a worm in transmission connection with the driving motor and a reduction worm wheel matched with the worm, and the worm teeth of the reduction worm wheel are arranged on the end face of the reduction worm wheel; and

and the stirring mechanism is in transmission connection with the speed reduction worm wheel and is suspended above the cup placing seat.

Optionally, the chef machine further comprises a reduction box fixedly arranged on the motor support, a support shaft extending in the up-down direction and a worm gear bearing arranged on the support shaft are arranged in the reduction box, the reduction worm gear is sleeved on the worm gear bearing, and the worm extends into the reduction box to be matched with the reduction worm gear so that the reduction worm gear rotates around the support shaft.

Optionally, the number of meshing teeth between the worm and the worm teeth of the reduction worm wheel is greater than or equal to 7.

Optionally, the ratio of the number of teeth of the reduction worm wheel to the number of heads of the worm is 40-70.

Optionally, the reduction worm gear is cast.

Optionally, the number of heads of the worm is greater than or equal to 1 and less than or equal to 5.

Alternatively, the worm is provided integrally with a drive shaft of the drive motor.

Optionally, the downside of speed reduction worm wheel is equipped with the changeover bar, rabbling mechanism includes the stirring piece, the stirring piece with the changeover bar can be dismantled and be connected.

Optionally, the adapter rod is integrally provided with the reduction worm gear.

Optionally, the adapter rod is in threaded or snap connection with the stirring element.

The technical proposal of the utility model adopts the transmission mechanism of the reduction worm gear and the worm, the worm can contact with all tooth surfaces in the tooth height direction of the reduction worm gear, thereby greatly improving the meshing stress area of the worm transmission, having better wear resistance and prolonging the service life of the chef machine; the primary transmission is decelerated to achieve a larger transmission ratio, the output torque is improved while the speed is reduced, the transmission noise is reduced, and the occupied space is small.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of an embodiment of the cook machine of the present invention;

fig. 2 is a schematic structural diagram of the transmission mechanism and the driving motor in fig. 1.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B" including either scheme A, or scheme B, or a scheme in which both A and B are satisfied. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a cook machine.

In an embodiment of the present invention, as shown in fig. 1 to 2, the chef machine 1 includes:

a base 10, one end of which is provided with a cup placing seat 11 and the other end of which is provided with a motor bracket 12;

a driving motor 20 mounted to the motor bracket 12;

the transmission mechanism comprises a worm 31 in transmission connection with the driving motor 20 and a reduction worm wheel 32 matched with the worm 31, and the worm teeth of the reduction worm wheel 32 are arranged on the end surface of the reduction worm wheel 32; and

and the stirring mechanism 40 is in transmission connection with the reduction worm gear 32 and is suspended above the cup placing seat 11.

Specifically, the stirring mechanism 40 can extend into a cup for stirring, the driving motor 20 rotates to drive the worm 31 to rotate, the rotation speed of the worm 31 is the same as that of the motor, and when the worm 31 rotates, a torque is applied to the reduction worm gear 32, so that the reduction worm gear 32 rotates at a reduced speed, the stirring mechanism 40 is driven to rotate, and output at a lower rotation speed is realized.

When the cooker is operated, all the tooth surfaces of the reduction worm wheel 32 of the cooker 1 are involved in working, the worm 31 can be in contact with all the tooth surfaces of the reduction worm wheel 32 in the tooth height direction, the meshing stress area of the transmission of the worm 31 is greatly improved, the wear resistance is better, therefore, the transmission efficiency is increased, the heat generation during the transmission is reduced, and the service life of a transmission mechanism is prolonged.

The existing cook machine 1 usually adopts a multi-stage speed reducing mechanism (belt speed reduction or gear speed reduction) for transmission, and has large occupied space and large noise; the utility model discloses technical scheme is through the drive mechanism who adopts reduction worm wheel 32-worm 31 for the one-level transmission speed reduction is in order to reach great drive ratio, improves the output torque in the deceleration, reduces transmission noise, and occupation space is little moreover.

Further, as shown in fig. 1 to 2, the chef machine 1 further includes a reduction box fixedly disposed on the motor support 12, a support shaft extending in an up-and-down direction and a worm gear bearing disposed on the support shaft are disposed in the reduction box, the reduction worm gear 32 is sleeved on the worm gear bearing, and the worm 31 extends into the reduction box to cooperate with the reduction worm gear 32, so that the reduction worm gear 32 rotates around the support shaft.

So, through locating reduction gear 32 cover worm wheel bearing in the reducing gear box to guarantee that reduction gear 32 can not take place the skew when rotating, in order to guarantee drive mechanism job stabilization nature.

Further, the number of meshing teeth between the worm 31 and the worm teeth of the reduction worm wheel 32 is greater than or equal to 7.

Specifically, the reduction worm wheel 32 in the present embodiment is an end face worm wheel, and the worm 31 is an end face worm 31; the meshing surface of the reduction gear and the worm 31 is a plane or a conical surface.

Generally, the number of the meshing teeth stressed by the common worm 31 and the helical gear speed reducing mechanism at the same time is 1 < N < 3, while the number of the meshing teeth stressed by the end face worm 31 and the end face worm gear speed reducing mechanism at the same time is 7 < N in the embodiment, which can be larger when in special needs; it can be understood that under the condition of the same load, the smaller the number of the meshing teeth is, the larger the stress of a single tooth is, so that the gear is abraded faster, the more serious the heat is, and the service life is shorter;

and under the condition that the number of the meshing teeth is more, the stress change is small when the worm gear 31 is used for transmission, the transmission stress is smoother, and the noise is smaller.

Further, the number of the heads of the worm 31 is greater than or equal to 1 and less than or equal to 5.

Specifically, in the case where the number of teeth of the reduction worm wheel 32 is constant, the smaller the number of heads of the worm 31, the larger the gear ratio, and therefore, when the number of heads of the worm 31 is larger than 5, the gear ratio becomes smaller.

Further, the ratio of the number of teeth of the reduction worm wheel 32 to the number of heads of the worm 31 is 40 to 70.

Specifically, the ratio of the number of teeth of the reduction worm wheel 32 to the number of heads of the worm 31 is a gear ratio, and the gear ratio range is generally stabilized to 40 to 70.

Further, the reduction worm gear 32 is a cast member;

specifically, the reduction worm gear 32 is machined and produced by a straight-out die, and higher machining precision can be obtained by machining and producing the reduction worm gear by the straight-out die, so that the reduction gear with higher precision can be obtained, the transmission noise of the whole transmission mechanism is reduced, and the service life is longer.

Further, the worm 31 is provided integrally with a drive shaft of the drive motor 20.

In this embodiment, the worm 31 and the driving shaft of the driving motor 20 may be integrally cast, or the worm 31 may be welded to the driving shaft; the worm 31 is integrally provided with the driving shaft of the driving motor 20 to facilitate the assembling by a worker.

Further, as shown in fig. 1 to 2, an adapter rod 41 is disposed on a lower side of the reduction worm gear 32, the stirring mechanism 40 includes a stirring member 42, and the stirring member 42 is detachably connected to the adapter rod 41.

Specifically, the stirring member 42 comprises a stirring rod, a dough kneading rod and an eggbeater, and one of the stirring rod, the dough kneading rod and the eggbeater is connected with the switching rod 41; so that the user can select the stirring piece 42 to use according to the requirement, the selectivity is increased, and the user experience is greatly increased.

More specifically, the adapter rod 41 is screwed or snap-fitted to the stirring element 42. In this manner, when a user needs to select a different stirring member 42, it can be replaced easily, and the user experience is greatly increased.

Further, the changeover lever 41 is provided integrally with the reduction worm wheel 32.

Specifically, the adapter rod 41 and the reduction worm gear 32 may be integrally cast, or the adapter rod 41 is welded to the reduction worm gear 32; the integral arrangement of the adapter rod 41 and the reduction worm gear 32 can facilitate the assembly by a worker.

The utility model is mainly used for multifunctional kitchen appliances such as stirring or food processing, and realizes the output of lower rotating speed by adopting a driving motor with a reduction box for transmission; after the driving motor is electrified, the output shaft of the driving motor is driven to rotate, different stirring pieces are matched, multiple functions of stirring, dough kneading, noodle making and the like can be realized, and the user requirements are greatly met.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A chef machine, comprising:

the driving motor is arranged on the motor bracket;

2. The chef machine as claimed in claim 1, further comprising a reduction box fixedly mounted on the motor support, wherein a support shaft extending in an up-and-down direction and a worm gear bearing disposed on the support shaft are disposed in the reduction box, the reduction worm gear is sleeved on a worm gear on the worm gear bearing, and the worm extends into the reduction box to cooperate with the reduction worm gear to rotate the reduction worm gear around the support shaft.

3. The chef machine of claim 1, wherein the number of teeth of the worm and the worm teeth of the reduction worm wheel is 7 or more.

4. The chef machine of claim 1 wherein the ratio of the number of teeth of the reduction worm gear to the number of heads of the worm is 40-70.

5. The chef machine of claim 1 wherein the reduction worm gear is cast.

6. The chef machine of claim 1, wherein the number of heads of the worm is greater than or equal to 1 and less than or equal to 5.

7. The chef machine of claim 1 wherein the worm is integrally formed with a drive shaft of the drive motor.

8. The chef machine as claimed in any one of claims 1 to 7, wherein an adapter rod is provided on the underside of the reduction worm gear, and the stirring mechanism comprises a stirring member detachably connected to the adapter rod.

9. The chef machine of claim 8, wherein the adapter rod is integral with the reduction worm gear.

10. The chef machine of claim 8, wherein the adapter rod is threaded or snap-fit with the stirring element.