CN213824549U

CN213824549U - Electric stirrer

Info

Publication number: CN213824549U
Application number: CN202022549710.3U
Authority: CN
Inventors: 郭东梅
Original assignee: Shenzhen Huandou Electric Appliance Co ltd
Current assignee: Shenzhen Huandou Electric Appliance Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-07-30
Anticipated expiration: 2030-11-06

Abstract

The utility model discloses an electric stirrer, which comprises a shell, a motor and a speed change gear, wherein the motor is positioned in the shell; a worm is connected to an output shaft of the motor, and the speed change device is in transmission connection with the worm; the speed changing device is provided with two output ends for connecting a stirring tool; each output end is provided with a first transmission piece and a second transmission piece which are coaxial; the transmission device can transmit the output of the motor to the first transmission piece and the second transmission piece respectively at different reduction ratios. The application discloses electric mixer's actuating mechanism all is provided with the first driving medium and the second driving medium of coaxial output at every output, and first driving medium and second driving medium department have different reduction ratio respectively. During the use, thereby the user can be according to particular case, thereby obtains different output torsion with the stirring instrument connection on the different driving mediums of output.

Description

Electric stirrer

Technical Field

The utility model relates to a kitchen utensil field, more specifically relates to an electric stirrer.

Background

The electric stirrer drives the stirring tool to rotate through the driving mechanism, so that different functions such as mixing, beating, blending or whipping can be realized for different food products or formulas.

For example, as an electric stirrer of an egg beater, it is equipped with an egg beating roller to achieve an egg beating function. In a conventional egg beater, a worm is connected to an output shaft of a motor, and the worm are matched to reduce speed, so that only one speed reduction ratio is required and is constant. After the speed is reduced, a certain rotating speed is output to the transmission piece through the worm wheel.

To achieve speed regulation, electronic speed change control is typically used. However, in both the simple shift control in which the shift position is divided into a plurality of shift positions and the continuous shift control, the rotation speed of the motor is controlled by changing the voltage. This kind of speed change results in a large drop in output torque and affects the whipping effect. If the electric stirrer is used for stirring the dough and other operations, the stirring effect is poor, and the motor is easy to overload and generate heat, so that the service life of the product is influenced.

In a hand-held electric mixer disclosed in CN201310144037.7, the above problem is improved, and the speed change mechanism has a first gear ratio and a second gear ratio. The electric agitator can select which gear to engage by sliding the clutch disc of the selector mechanism up and down to obtain the first gear ratio or the second gear ratio, respectively. Adopt this kind of electric mixer, need shift according to the function of difference when practical application, not only product structure is complicated but also operation experience is not good. Its application is limited.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model provides an electric stirrer.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an electric stirrer, which comprises a shell, a motor and a speed change gear, wherein the motor is positioned in the shell; a worm is connected to an output shaft of the motor, and the speed change device is in transmission connection with the worm; the speed changing device is provided with two output ends for connecting a stirring tool; each output end is provided with a first transmission piece and a second transmission piece which are coaxial; the transmission device can transmit the output of the motor to the first transmission piece and the second transmission piece respectively at different reduction ratios.

As an embodiment of the electric mixer provided by the present invention, the speed change device includes a first gear, a second gear, and a gear set;

the first gear is meshed with the worm to form a first reduction ratio, and the first gear is fixedly connected with the first transmission piece;

the second gear is meshed with the worm, the second gear is in transmission connection with a gear set, and an output end gear of the gear set is fixedly connected with a second transmission piece; the worm, the second gear and the gear set are sequentially driven to form a second reduction ratio.

As an embodiment of the electric mixer provided by the present invention, the gear set includes a third gear and a fourth gear; the third gear and the second gear are coaxial and are arranged on the same positioning shaft, the third gear is meshed with the fourth gear, and the fourth gear is fixedly connected with the second transmission piece.

As an embodiment of the electric mixer provided by the present invention, the speed changing device includes two first gears, two second gears, and two gear sets;

the fourth gears of the two gear sets are respectively and fixedly connected with the second transmission pieces on the corresponding sides; the two fourth gears rotate independently of each other.

As an embodiment of the electric mixer of the present invention, the speed changing device includes two first gears respectively located at left and right sides of the worm, a second gear and a gear set located at one side of the worm, and a fourth gear located at the other side of the worm;

and the fourth gear of the gear set is meshed with the fourth gear on the other side of the worm.

As an embodiment of the electric stirrer provided by the utility model, the electric stirrer includes the fixed bolster, the speed change gear passes through the fixed bolster and is fixed with the motor.

As an embodiment of the electric stirrer, the first transmission member and the second transmission member are all provided with a fixed connection structure for connecting a stirring tool.

As an embodiment of the electric stirrer provided by the utility model, the stirring tool is detachably connected to the first transmission member or the second transmission member.

As the utility model provides an implementation scheme of electric stirrer, at every output, first driving medium and second driving medium are and arrange from top to bottom or are the inner and outer lane and arrange.

Compared with the prior art, the utility model discloses following beneficial effect has:

the application discloses electric mixer's actuating mechanism all is provided with the first driving medium and the second driving medium of coaxial output at every output, and first driving medium and second driving medium department have different reduction ratio respectively. During the use, thereby the user can be according to particular case, thereby obtains different output torsion with the stirring instrument connection on the different driving mediums of output.

Drawings

Fig. 1 is a schematic perspective view of an electric stirrer according to a first embodiment of the present invention;

fig. 2 is a top view of an electric mixer according to a first embodiment of the present invention;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 1;

fig. 4 is a schematic perspective view of an electric stirrer according to a second embodiment of the present invention;

fig. 5 is a top view of an electric mixer according to a second embodiment of the present invention;

the attached drawings are marked as follows:

the gear shifting mechanism comprises a motor (1), a motor output shaft (101), a speed changing device (2), a first support (31), a second support (32), an output end (4), a worm (5), a first gear (6), a second gear (7), a gear set (8), a third gear (81), a fourth gear (82), a first transmission piece (201), a second transmission piece (202) and a positioning shaft (83).

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example one

As shown in fig. 1 to 3, the present application provides an electric stirrer for background art.

As shown in fig. 1, the utility model provides an electric stirrer, which comprises a shell, a motor (1) and a speed change device (2) which are arranged in the shell. The output shaft (101) of the motor is connected with a worm (5), and the speed change device (2) is in transmission connection with the worm (5). In the present embodiment, the main function of the electric mixer is to beat eggs, and therefore the speed changing device (2) has two outputs (4) for connecting a mixing tool (not shown). As shown in fig. 2, the two output terminals (4) are arranged left and right with respect to the motor output shaft.

As shown in fig. 3, in the present embodiment, a first transmission member (201) and a second transmission member (202) are provided at each output end (4) and coaxially output. The first transmission piece (201) and the second transmission piece (202) are used for holding the stirring tool and driving the stirring tool to rotate together.

The speed change device of the embodiment of the application has different reduction ratio outputs, and can respectively transmit the output of the motor to the first transmission piece (201) and the second transmission piece (202) at different reduction ratios.

Since the motor output shaft has different reduction ratios to the first transmission member (201) and the second transmission member (202), the first transmission member (201) and the second transmission member (202) have different output torsion (or torque). When the stirring tool is used, a user can connect the stirring tool to the first transmission piece (201) of the output end (4) or the second transmission piece (202) of the output end (4) according to specific conditions, so that different output torque forces can be obtained.

In a particular embodiment of the present application, the transmission (2) includes a first gear (6), a second gear (7), and a gear set (8).

Wherein the first gear (6) is meshed with the worm (5) to form a first reduction ratio. The first gear (6) is fixedly connected with the first transmission piece (201) and transmits the output of the motor (1) to the first transmission piece (201).

The second gear (7) is meshed with the worm (5), and the second gear (7) is in transmission connection with the gear set (8). The input end gear of the gear set (8) is in coaxial transmission with the second gear (7), and the output end gear of the gear set (8) is fixedly connected with the second transmission piece (202). Thus, the worm (5), the second gear (7) and the gear set (8) are sequentially driven to form a second reduction ratio. The worm (5) and the second gear (7) form a first-stage speed reduction, and at least one stage of speed reduction is formed inside the gear set (8).

In one embodiment, the gear set (8) of the present embodiment includes a third gear (81) and a fourth gear (82), and a one-stage reduction is formed inside the gear set (8). The third gear (81) and the second gear (7) are coaxial and are arranged on the same positioning shaft (83), and the second gear (7) drives the third gear (81) to rotate. The third gear (81) is meshed with the fourth gear (82), and the fourth gear (82) is fixedly connected with the second transmission piece (202). The worm (5), the second gear (7), the third gear (81) and the fourth gear (82) form a second reduction ratio together. The worm (5) and the second gear (7) form a first-stage speed reduction, the third gear (81) and the fourth gear (82) are meshed to form a second-stage speed reduction, and the first-stage speed reduction and the second-stage speed reduction jointly form a second speed reduction ratio.

In a more specific embodiment, the transmission (2) comprises two first gears (6), two second gears (7), and two gear sets (8). The two first gears (6) are respectively arranged at the left side and the right side of the worm (5). The first gear (6) is fixedly connected with the first transmission piece (201) on the corresponding side so as to drive the first transmission piece (201) to rotate.

The fourth gears (82) of the two gear sets (8) respectively positioned at two sides of the worm (5) are respectively and fixedly connected with the second transmission piece (202) at the corresponding side so as to drive the second transmission piece (202) to rotate. The two fourth gears (82) rotate independently of each other.

The above gear set (8) includes a third gear and a fourth gear, which is just one preferred embodiment. It will be appreciated that, as a variant, the gear set (8) may also be provided comprising more gears and forming a multi-stage reduction inside the gear set (8). But the gear set (8) still keeps the input end gear of the gear set and the second gear (7) to be coaxially driven, and the output end gear of the gear set is fixedly connected with the second transmission piece (202).

When the motor runs, the first transmission piece (201) and the second transmission piece (202) rotate simultaneously and have different output rotating speeds.

In a particular embodiment of the present application, the electric mixer comprises a stationary bracket. Wherein, the speed change device (2) is fixed with the motor (1) through a fixed bracket. More specifically, the fixing bracket includes a first bracket (31) and a second bracket (32) disposed in an up-down direction.

According to the specific embodiment of the application, the first transmission piece (201) and the second transmission piece (202) are on the same axis, and the first transmission piece and the second transmission piece rotate simultaneously and do not interfere with each other. In a particular embodiment, as shown in fig. 3, both the first transmission piece (201) and the second transmission piece (202) are arranged up and down. The first transmission piece (201) is arranged on the upper part, and the second transmission piece (202) is arranged on the lower part. The third gear (81) and the fourth gear (82) are located below the first gear (6), the second gear (7) and the worm (5). It can be understood that it is also possible to arrange the second transmission member (202) on top and the first transmission member (201) on the bottom; meanwhile, a third gear (81) and a fourth gear (82) are arranged above the first gear (6), the second gear (7) and the worm (5); the interface of the first transmission piece (201) and the second transmission piece (202) is still arranged downwards.

However, it will be appreciated that both the first transmission member (201) and the second transmission member (202) may be arranged in inner and outer races, with the coaxial outputs, e.g. one of them having a smaller diameter, at the inner race; the other one with larger diameter is positioned on the outer ring.

In one embodiment, the first transmission member (201) and the second transmission member (202) shown in fig. 3 are hollow cylindrical structures, and the stirring tool is inserted upwards in use. However, it is understood that the specific structural design of the first transmission member (201) and the second transmission member (202) is not limited thereto, and for example, one of them may be designed to be a solid structure, and the other one may be a hollow structure.

Fixed connecting structures (not shown in the figure) for connecting a stirring tool are arranged on the first transmission piece (201) and the second transmission piece (202), so that the stirring tool can be detachably connected with the first transmission piece (201) and the second transmission piece (202). The fixed connecting structure can be a snap connecting structure, and the rapid connection and separation of the stirring tool can be realized.

In the electric stirrer of the embodiment of the application, the speed changing device (2) has a first reduction ratio and a second reduction ratio. The first transmission piece and the second transmission piece which are coaxially arranged at the output end have different output torque force and rotating speed output, the electric stirrer can be used as a multifunctional stirrer, and different stirring tools are matched to realize different functions respectively.

For example, the stirring tool of the embodiment of the application comprises an egg stirring roller for stirring eggs and a dough stirring roller for stirring. When a user carries out egg beating, the egg beating roller can be connected to the first transmission piece (201) to obtain a first rotating speed with a higher speed. When the user stirs the face, can connect the roller of stirring the face in second driving medium (202) and be in order to obtain the lower second rotational speed of speed, simultaneously, stir the face roller and can obtain bigger torsion, stir the effect of face also more outstanding.

Example two

Fig. 4 shows an electric stirrer according to the present embodiment.

In the first exemplary embodiment, the transmission (2) has two first gear wheels (6), two second gear wheels (7) and two gear wheel sets (8). Therefore, the transmission (2) has a large number of parts and a large structure.

In contrast to the first embodiment, in this embodiment, as shown in fig. 4, the transmission (2) includes two first gears (6) respectively located on the left and right sides of the worm (5), one second gear (7) and one gear set (8) located on one side of the worm, and one fourth gear (82) located on the other side of the worm, for the sake of simplicity of design.

For example, fig. 4 shows that the second gear (6) meshes with the worm (5), and the fourth gear (82) of the gear set (8) on the same side as the second gear (6) is connected to the first second transmission element (202). A fourth gear (82) on the other side of the worm (5) meshes with the fourth gear (82) of the gear set (8). The two fourth gears (82) have the same number of teeth.

In the embodiment, one fourth gear (82) drives the other fourth gear (82). Compared with the first embodiment, the speed changing device (2) of the embodiment has the advantages of simpler structure, smaller number of parts and lower cost.

The utility model has the advantages as follows:

It is to be understood that the above-described embodiments are only some of the embodiments of the present application, and not all embodiments of the present application. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.

Claims

1. An electric stirrer comprises a shell, a motor and a speed change device, wherein the motor is positioned in the shell; a worm is connected to an output shaft of the motor, and the speed change device is in transmission connection with the worm; the speed changing device is provided with two output ends for connecting a stirring tool; the transmission device is characterized in that each output end is provided with a first transmission piece and a second transmission piece which are coaxial; the transmission device can transmit the output of the motor to the first transmission piece and the second transmission piece respectively at different reduction ratios.

2. The electric mixer of claim 1 wherein the speed change device includes a first gear, a second gear, and a gear set;

3. The electric mixer of claim 2 wherein the gear set includes a third gear and a fourth gear; the third gear and the second gear are coaxial and are arranged on the same positioning shaft, the third gear is meshed with the fourth gear, and the fourth gear is fixedly connected with the second transmission piece.

4. The electric mixer of claim 3 wherein the speed change device includes two first gears, two second gears, and two gear sets;

5. The electric mixer of claim 3 wherein the speed change mechanism includes two first gears on each of the left and right sides of the worm, a second gear and a gear set on one side of the worm, and a fourth gear on the other side of the worm;

6. The electric mixer of claim 1 including a stationary bracket, wherein the speed change device is fixed to the motor by the stationary bracket.

7. The electric mixer of claim 1 wherein the first and second drive members each include a fixed connection for connecting to a mixing tool.

8. The electric mixer of claim 1 further including a mixing tool detachably connected to the first drive member or the second drive member.

9. An electric mixer according to claim 1 wherein the first and second drive members are arranged one above the other or in inner and outer races at each output.