CN215687248U

CN215687248U - Two-stage gear transmission mechanism and egg beater using same

Info

Publication number: CN215687248U
Application number: CN202121771430.5U
Authority: CN
Inventors: 金学士
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-02-01
Anticipated expiration: 2031-07-30

Abstract

The utility model relates to a two-stage gear transmission mechanism and an egg beater using the same, which comprises a first-stage gear transmission mechanism and a second-stage gear transmission mechanism, and is characterized in that: the second-stage gear transmission mechanism is provided with two output ends, namely a high-speed output end arranged on the first-stage gear transmission mechanism and a low-speed output end arranged on the second-stage gear transmission mechanism, wherein the high-speed output end of the first-stage gear transmission mechanism is provided with a high-speed jack for connecting a stirring accessory and a driving gear used for power input of the second-stage gear transmission mechanism; the low-speed output end of the second-stage gear transmission mechanism is in transmission connection with the driving gear through a driven gear set, and a low-speed jack which can be connected with a stirring accessory is arranged on the low-speed output end. Has the advantages that: through second grade gear drive in order to realize two kinds of different speeds, and the transmission is stable to make the egg beater can satisfy annex high-speed rotation and low-speed pivoted requirement, guarantee the stirring effect and can effectively prevent that food from splashing.

Description

Two-stage gear transmission mechanism and egg beater using same

Technical Field

The utility model relates to a transmission mechanism, in particular to a transmission mechanism with a secondary gear and an eggbeater applying the transmission mechanism.

Background

The egg beater is a widely used kitchen appliance and has the functions of foaming egg white, stirring food and the like. The working mode of the egg beater in the current market is shown in figure 1, working accessories (an egg beating cage, a dough kneading hook and a stirring paddle) of a product are inserted into a motor accessory jack 1c, a worm 1a is meshed with a helical gear 1b to drive the working accessories, the egg beating cage rotates at a high speed, the dough kneading hook or the stirring paddle rotates at a low speed, and the speed regulation mode is electronic speed regulation or mechanical speed regulation. However, the jacks of the existing eggbeater rotating at high speed and rotating at low speed are the same jack, and due to the characteristics of the motor, when the speed is regulated to be at low speed, the rotating speed is still very high, so that food splashes in the stirring process, the stirring effect is influenced, and the food splashes to clothes. Further improvements are therefore desirable.

SUMMERY OF THE UTILITY MODEL

The first technical problem to be solved by the present invention is to provide a two-stage gear transmission mechanism which can meet the requirements of high-speed and low-speed rotation of accessories and has stable transmission.

The second technical problem to be solved by the present invention is to provide an egg beater applying the above-mentioned secondary gear transmission mechanism, which can effectively avoid food splashing and improve the stirring effect of the low-speed accessories.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: the utility model provides a second grade gear drive, including first order gear drive and second level gear drive, its characterized in that: the second-stage gear transmission mechanism is provided with two output ends, namely a high-speed output end arranged on the first-stage gear transmission mechanism and a low-speed output end arranged on the second-stage gear transmission mechanism, wherein the high-speed output end of the first-stage gear transmission mechanism is provided with a high-speed jack for connecting a stirring accessory and a driving gear used for power input of the second-stage gear transmission mechanism; the low-speed output end of the second-stage gear transmission mechanism is in transmission connection with the driving gear through a driven gear set, and a low-speed jack which can be connected with a stirring accessory is arranged on the low-speed output end.

Specifically, first order gear drive adopts planetary gear drive, includes:

the sun gear is fixed on an output shaft of the motor;

the inner gear ring is formed on the inner wall of the housing and is fixedly arranged in a non-rotatable manner;

the planet gear adopts a duplex planet gear or a simplex planet gear, when the duplex planet gear is adopted, the upper gear of each duplex planet gear is meshed with the sun gear, and the lower gear is meshed with the inner gear ring; when the single-connection planetary gear is adopted, each single-connection planetary gear is meshed with the sun gear and the inner gear ring at the same time.

The support is rotatably arranged in the housing, the sun gear and the planetary gear are arranged on the support, and the lower end of the support is the high-speed output end of the first-stage gear transmission mechanism.

Preferably, the carrier is composed of an upper carrier and a lower carrier, the sun gear and the planet gear are clamped between the upper carrier and the lower carrier, the driving gear is integrally formed at the lower end of the lower carrier, and the lower end of the lower carrier is provided with a high-speed jack. This enables a more compact construction.

Furthermore, the housing is assembled below a motor support for mounting a motor, the first-stage gear transmission mechanism is arranged between the housing and the motor support, the driving gear is exposed out of the housing, and the driven gear set is rotatably arranged on the housing.

And a shell used for coating the secondary gear transmission mechanism is also assembled below the housing, and a first through hole opposite to the high-speed jack and a second through hole opposite to the low-speed jack are formed in the shell. Therefore, the secondary gear transmission mechanism is wrapped in the shell, and the structure is reasonable and compact.

Furthermore, the shell is also provided with a cover plate which can be used for covering the first through hole or the second through hole in a sliding manner.

Preferably, the second-stage gear transmission mechanism comprises the driving gear and a driven gear set, wherein the driven gear set comprises a first driven gear meshed with the driving gear and a second driven gear meshed with the first driven gear, and the low-speed jack is arranged on an output shaft of the second driven gear.

Preferably, the two second driven gears are meshed with each other, and one of the second driven gears is meshed with the first driven gear.

The high-speed output end is further provided with a claw-shaped first connecting portion which is communicated with the high-speed jack and used for quickly disassembling and assembling the stirring accessory, and the low-speed output end is further provided with a claw-shaped second connecting portion which is communicated with the low-speed jack and used for quickly disassembling and assembling the stirring accessory.

The technical scheme adopted by the utility model for solving the second technical problem is as follows: the utility model provides an egg beater, includes casing and stirring annex, its characterized in that: the stirring accessory can be quickly assembled and disassembled in the high-speed jack or the low-speed jack.

Compared with the prior art, the utility model has the advantages that: through the secondary gear drive mechanism including first order gear drive mechanism and second secondary gear drive mechanism to realize that driving gear and second driven gear have two kinds of different speeds, and the transmission is stable, thereby makes the egg beater that includes this secondary gear drive mechanism can satisfy the high-speed rotation of annex and low-speed pivoted requirement, guarantees the stirring effect and can effectively prevent that food from splashing.

Drawings

FIG. 1 is a cross-sectional view of a prior art whisk;

FIG. 2 is a schematic diagram of an exemplary embodiment of an egg whisk;

FIG. 3 is a partially exploded view of the two-stage gear system of FIG. 2;

FIG. 4 is an exploded view of FIG. 3;

fig. 5 is an exploded view of the first stage gear system of fig. 4.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 2 to 5, a preferred embodiment of the present invention is an egg beater equipped with a high-speed rotating stirring accessory and a low-speed rotating stirring accessory, wherein the high-speed rotating stirring accessory and the low-speed rotating stirring accessory cannot be used simultaneously, and the egg beater includes a housing 7, the stirring accessory, a secondary gear transmission mechanism disposed in the housing 7, and a motor 1 for driving the secondary gear transmission mechanism to rotate. The stirring accessories in this embodiment are a beating cage, a stirring paddle and a dough hook, and the egg beater further comprises a speed-adjusting push button 60 for adjusting the rotating speed of the motor 1 and a button 70 for controlling the accessory to exit.

The secondary gear transmission mechanism in the embodiment comprises a first-stage gear transmission mechanism and a second-stage gear transmission mechanism, the secondary gear transmission mechanism is provided with two output ends, namely a high-speed output end arranged on the first-stage gear transmission mechanism and a low-speed output end arranged on the second-stage gear transmission mechanism, wherein a high-speed jack 21 for connecting a stirring accessory and a driving gear 2 used for power input of the second-stage gear transmission mechanism are arranged on the high-speed output end of the first-stage gear transmission mechanism; the low-speed output end of the second-stage gear transmission mechanism is in transmission connection with the driving gear 2 through a driven gear set, and a low-speed jack 41 for connecting a stirring accessory is arranged on the low-speed output end.

The high-speed output end is also provided with a claw-shaped first connecting part 22 which is communicated with the high-speed jack 21 and used for quickly dismounting and mounting the stirring accessory, and the low-speed output end is also provided with a claw-shaped second connecting part 42 which is communicated with the low-speed jack 41 and used for quickly dismounting and mounting the stirring accessory. Wherein, high-speed jack 21 is used for dismouting high-speed pivoted stirring annex, for example: egg beating cages; the low-speed insertion hole 41 is used for assembling and disassembling a low-speed rotating stirring accessory, such as: stirring paddle or dough hook.

As shown in fig. 4 and 5, the first stage gear transmission mechanism adopts a planetary gear transmission mechanism, which includes: sun gear 51, ring gear 521, carrier 53, and planetary gears 54; the carrier 53 is formed by combining an upper carrier 531 and a lower carrier 532, the upper end of the lower carrier 532 and the upper carrier 531 are respectively provided with a supporting column 5321 and a connecting hole 5311 which are assembled with each other, so as to clamp the sun gear 51 and the planetary gears 54 between the upper carrier 531 and the lower carrier 532, the planetary gears 54 are multiple, each planetary gear 54 is uniformly arranged between the upper carrier 531 and the lower carrier 532 along the circumference at intervals, the sun gear 51 is fixed on the output shaft of the motor 1, the sun gear 51 extends into the space between the upper carrier 531 and the lower carrier 532 through a through hole 5312 in the middle of the upper carrier 531, in the embodiment, when the planetary gears 54 adopt duplex planetary gears, the upper gears 541 of each duplex planetary gear are meshed with the sun gear 51, the lower gears 542 are meshed with the inner gear 521, and the purpose of adopting the duplex planetary gear mechanism is to obtain a larger transmission ratio. Of course, single-pinion planetary gears may be used as desired.

The inner gear ring 521 is formed on the inner wall of the housing 52, and in order to realize the installation of the first-stage gear transmission mechanism, the housing 52 is assembled below the motor support 11 for installing the motor 1, the first-stage gear transmission mechanism is arranged between the housing 52 and the motor support 11, the driving gear 2 is exposed out of the housing 52, and the driven gear set is rotatably arranged on the housing 52. In addition, an iron washer 20 is arranged between the inner gear ring 521 and the lower bracket 532 to prevent abrasion during the rotation of the bracket 53. In order to prevent grease of the gears on the lower bracket 532 from flowing into the stirring attachment from the high-speed insertion hole 21, a plug 50 for covering the high-speed insertion hole 21 is provided on the lower bracket 532 in this embodiment.

When the motor 1 is started, the output shaft of the motor drives the sun gear 51 on the motor to rotate, and the upper coupling gear 541 of each duplex planetary gear is meshed with the sun gear 51, and the lower coupling gear 542 is meshed with the inner gear ring 521, so that the sun gear 51 drives the bracket 53 to rotate. The carrier 53 serves as the output for the first stage of the transmission and also as the input for the second stage of the transmission.

The second-stage gear transmission mechanism comprises a driving gear 2, a first driven gear 3 and a second driven gear 4, wherein the driving gear 2 is integrally formed at the lower end of the lower support 532, so that the structure is compact and the transmission effect is better. The first driven gear 3 is meshed with the driving gear 2, and the second driven gear 4 is meshed with the first driven gear 3, so that second-stage transmission is realized.

In this embodiment, the number of the second driven gears 4 is two and they are engaged with each other, and one of the second driven gears 4 is engaged with the first driven gear 3. The number of teeth of the driving gear and the driven gears is set according to the requirement of low-speed rotating speed of the product, so that the required transmission ratio can be obtained. The driving gear 2 rotates at a high speed, and the second driven gear 4 rotates at a low speed. Because the product has the requirement to the wheel base between driving gear 2 and the second driven gear 4 to and the wheel base between two second driven gear 4 also has the requirement, consequently it is more reasonable to adopt the transmission mode that sets up first driven gear 3 between driving gear 2 and second driven gear 4 to realize slowing down.

In addition, a casing 9 for covering the second-stage gear transmission mechanism is further mounted below the cover 52, and the casing 9 is provided with a first through hole 91 facing the high-speed jack 21 and a second through hole 92 facing the low-speed jack 41. In order to prevent the user from operating the device by mistake, the bottom of the housing 9 is further provided with a cover plate 10 slidably covering the first through hole 91 or the second through hole 92. The bottom of the shell 9 is provided with a sliding chute, the outer side of the sliding chute is protruded to form a sawtooth shape 93, and the cover plate 10 is provided with a protruded pushing hand part 101, so that a user can feel when the cover plate 10 slides by exerting force on the pushing hand part 101, and the cover plate 10 can slide to cover the low-speed jack 41 when the high-speed jack 21 needs to be provided with a stirring accessory; conversely, when the low-speed jack 41 needs to be equipped with accessories, the cover plate 10 can be slid to cover the high-speed jack 21.

A rotating shaft 6 is arranged in a middle hole of the first driven gear 3, and two ends of the rotating shaft 6 are respectively fixed on the housing 52 and the shell 9. A first bearing part 30 is arranged on the shell 9, the first bearing part 30 is in a cap shape and is used for supporting an output shaft body 23 of the driving gear 2, a high-speed jack 21 penetrates through the middle of the output shaft body 23, a claw-shaped first connecting part 22 is arranged at the other end of the output shaft body 23 and is communicated with the high-speed jack 21, in the embodiment, the claw-shaped first connecting part 22 is arranged at the middle of the lower support 532, and the stirring accessory is inserted into the high-speed jack 21 and is fixed through the claw-shaped first connecting part 22 at the other end; in addition, the second bearing 40 is respectively disposed in corresponding holes of the cover 52 and the housing 9, the second bearing 40 is in a cap shape and is used for supporting the shaft bodies 43 at both ends of the second driven gear 4, the low-speed insertion hole 41 is opened through the middle of the shaft bodies 43, the claw-shaped second connecting portion 42 is disposed at the other end of the output shaft body 43 and is penetrated through the low-speed insertion hole 41, and the stirring accessory is inserted into the low-speed insertion hole 41 and is fixed by the claw-shaped second connecting portion 42 at the other end.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a second grade gear drive, including first order gear drive and second level gear drive, its characterized in that: the secondary gear transmission mechanism is provided with two output ends, namely a high-speed output end arranged on the primary gear transmission mechanism and a low-speed output end arranged on the secondary gear transmission mechanism, wherein the high-speed output end of the primary gear transmission mechanism is provided with a high-speed jack (21) for connecting a stirring accessory and a driving gear (2) used for power input of the secondary gear transmission mechanism; the low-speed output end of the second-stage gear transmission mechanism is in transmission connection with the driving gear (2) through a driven gear set, and a low-speed jack (41) for connecting a stirring accessory is arranged on the low-speed output end.

2. The two-stage gear transmission according to claim 1, wherein: first order gear drive adopts planetary gear drive, includes:

a sun gear (51) fixed to an output shaft of the motor (1);

the inner gear ring (521) is formed on the inner wall of the housing (52) and is fixedly arranged in a non-rotatable manner;

the planetary gear (54), the planetary gear (54) adopts the duplicate planetary gear or simplex planetary gear, when adopting the duplicate planetary gear, the upper gear (541) of each duplicate planetary gear engages with said sun gear (51), the lower gear (542) engages with said inner gear ring (521); when the single-connection planetary gears are adopted, each single-connection planetary gear is meshed with the sun gear (51) and the inner gear ring (521) simultaneously;

and the support (53) is rotatably arranged in the housing (52), the sun gear (51) and the planetary gear (54) are arranged on the support (53), and the lower end of the support (53) is a high-speed output end of the first-stage gear transmission mechanism.

3. The two-stage gear transmission according to claim 2, wherein: the support (53) is formed by combining an upper support (531) and a lower support (532), the sun gear (51) and the planetary gear (54) are clamped between the upper support (531) and the lower support (532), the driving gear (2) is integrally formed at the lower end of the lower support (532), and a high-speed insertion hole (21) is formed at the lower end of the lower support (532).

4. The two-stage gear transmission according to claim 2, wherein: the motor is characterized in that the housing (52) is assembled below a motor support (11) for mounting the motor (1), the first-stage gear transmission mechanism is arranged between the housing (52) and the motor support (11), the driving gear (2) is exposed out of the housing (52), and the driven gear set is rotatably arranged on the housing (52).

5. The two-stage gear transmission of claim 4, wherein: and a shell (9) used for coating the secondary gear transmission mechanism is also assembled below the cover shell (52), and a first through hole (91) opposite to the high-speed jack (21) and a second through hole (92) opposite to the low-speed jack (41) are formed in the shell (9).

6. The two-stage gear transmission according to claim 5, wherein: the shell (9) is also provided with a cover plate (10) which can be used for covering the first through hole (91) or the second through hole (92) in a sliding manner.

7. The two-stage gear transmission mechanism according to any one of claims 1 to 6, wherein: the second-stage gear transmission mechanism comprises a driving gear (2) and a driven gear set, wherein the driven gear set comprises a first driven gear (3) meshed with the driving gear (2) and a second driven gear (4) meshed with the first driven gear (3), and a low-speed jack (41) is arranged on an output shaft of the second driven gear (4).

8. The two-stage gear transmission according to claim 7, wherein: the two second driven gears (4) are meshed with each other, and one of the second driven gears (4) is meshed with the first driven gear (3).

9. The two-stage gear transmission according to claim 7, wherein: the high-speed output end is further provided with a claw-shaped first connecting portion (22) which is communicated with the high-speed jack (21) and used for quickly disassembling and assembling the stirring accessory, and the low-speed output end is further provided with a claw-shaped second connecting portion (42) which is communicated with the low-speed jack (41) and used for quickly disassembling and assembling the stirring accessory.

10. An egg beater comprising a housing (7) and a mixing attachment, characterized in that: the two-stage gear transmission mechanism as claimed in any one of claims 1 to 9, wherein the stirring accessory can be quickly assembled and disassembled in the high-speed jack (21) or the low-speed jack (41).