A bidirectional umbrella-tooth transmission stir-fry machine stirring device
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUNAN TANGMILI TECH CO LTD
- Filing Date
- 2025-09-05
- Publication Date
- 2026-08-07
AI Technical Summary
皮带方案在长期高温、高湿的烹饪环境中,皮带易软化、变形,导致可靠性骤降,故障频发,使用寿命受限;而行星齿轮方案虽然避免了皮带老化的问题,但若要实现双向旋转,需叠加多级齿轮,导致结构臃肿、传动链长、效率下滑、维护成本攀升
[0016]Compared with the prior art, the beneficial effects of this utility model are as follows: The bidirectional bevel gear transmission stirring device of this utility model mainly includes one active bevel gear and two passive bevel gears in its transmission structure, which can realize the bidirectional rotation drive of the stirring blade and the pot edge scraper. Moreover, the transmission chain is simple and efficient. In addition, by designing the two passive bevel gears to have different numbers of teeth, the stirring blade and the pot edge scraper can have different rotation speeds. That is, different speeds can be transmitted through different tooth ratios, thereby achieving differentiated control.
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Figure CN224598015U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cooking equipment technology, specifically to a stirring device for a bidirectional bevel gear drive stir-fry machine. Background Technology
[0002] Driven by the wave of intelligent technology, modern kitchen equipment is constantly breaking through the boundaries of traditional functions. Automated cooking equipment, represented by automatic stir-fry machines, is leading the technological revolution in the catering industry. As one of the core pieces of equipment in a smart kitchen, it demonstrates significant advantages in precise temperature control and even stirring during food processing. The stirring system, as a key functional module for achieving the stirring action in automatic stir-fry machines, directly affects the evenness of heating of the ingredients and the flavor fusion of the dishes.
[0003] Currently, the stirring mechanisms of stir-fry machines generally use belt drives or planetary gear drives. In the long-term high-temperature and high-humidity cooking environment, belts are prone to softening and deformation, leading to a sharp drop in reliability, frequent failures, and limited service life. While planetary gear drives avoid the problem of belt aging, achieving bidirectional rotation requires multiple gear stages, resulting in a bulky structure, long transmission chain, decreased efficiency, and increased maintenance costs. Therefore, this application aims to propose a stirring device for stir-fry machines that simplifies the transmission structure, improves transmission efficiency and reliability, and adapts to the harsh working environment of high temperature and high humidity. Utility Model Content
[0004] The purpose of this invention is to overcome the above-mentioned shortcomings of the prior art and provide a bidirectional bevel gear transmission stirring device for a stir-fry machine, which can achieve bidirectional high-efficiency transmission while having the advantages of simple and compact structure, stable operation and long service life.
[0005] The technical solution of this utility model is: a bidirectional bevel gear transmission stirring device for a stir-fry machine, comprising a support arm, a drive module, and a stirring module. The drive module is fixedly mounted on the support arm and connected to the stirring module. The stirring module includes stirring blades and a pot rim scraper. The stirring blades are mainly used to stir the center area of the pot bottom. The pot rim scraper is used to clean the upper edge of the pot, sweeping the food that has been thrown to the upper edge back to the center of the pot for heating. The drive module includes a motor, a stirring blade transmission assembly, and a pot rim scraper transmission assembly. The stirring blade transmission assembly transmits the rotational motion of the motor to the stirring blades, and the pot rim scraper transmission assembly transmits the rotational motion of the motor to the pot rim scraper. The motor is connected to both the stirring blade transmission assembly and the pot rim scraper transmission assembly via active bevel gears.
[0006] Furthermore, the stirring blade drive assembly includes a first passive bevel gear, a first rotating shaft, and a universal coupling; the first passive bevel gear meshes with the active bevel gear; the upper end of the first rotating shaft is fixedly connected to the first passive bevel gear, and the lower end of the first rotating shaft is fixedly connected to the upper end of the universal coupling; the lower end of the universal coupling is connected to the central shaft of the stirring blade.
[0007] Furthermore, the pot rim scraper drive assembly includes a second passive bevel gear, a second rotating shaft, and a stirring seat; the second passive bevel gear meshes with the active bevel gear; the upper end of the second rotating shaft is fixedly connected to the second passive bevel gear; the lower end of the second rotating shaft is fixedly connected to the stirring seat, and the pot rim scraper is fixedly connected to the outer wall of the stirring seat.
[0008] Furthermore, the support arm includes a column and a crossbar, the crossbar having an inner cavity, the motor being fixed in the inner cavity of the crossbar by a mounting plate, and an active bevel gear being fixed on the output shaft of the motor.
[0009] Furthermore, the first passive bevel gear and the second passive bevel gear are arranged coaxially, and the active bevel gear is arranged between the first passive bevel gear and the second passive bevel gear, so that the active bevel gear simultaneously drives the first passive bevel gear and the second passive bevel gear to rotate, and the rotation directions are opposite.
[0010] Furthermore, the first passive bevel gear and the second passive bevel gear have the same number of teeth.
[0011] Furthermore, the first and second passive bevel gears have different numbers of teeth. This allows the stirring blades and the pan rim scraper to rotate at different speeds, achieving differentiated control.
[0012] Furthermore, a fixing sleeve is fitted at the upper end of the central shaft of the stirring blade, and the central shaft of the stirring blade can be connected to the universal coupling through the fixing sleeve; this facilitates the disassembly and maintenance of the stirring blade.
[0013] Furthermore, the central axis of the stirring blades is set at an angle to the stirring base.
[0014] Furthermore, the second passive bevel gear, the second rotating shaft, and the center of the stirring base are all provided with through holes to facilitate the installation of the stirring blade drive assembly, such as a universal coupling installed in the internal through hole of the stirring base.
[0015] Furthermore, both the first and second passive bevel gears can be rotatably mounted on the support arm. For example, the second passive bevel gear can be rotatably mounted on the crossbar of the support arm via a fixing ring.
[0016] Compared with the prior art, the beneficial effects of this utility model are as follows: The bidirectional bevel gear transmission stirring device of this utility model mainly includes one active bevel gear and two passive bevel gears in its transmission structure, which can realize the bidirectional rotation drive of the stirring blade and the pot edge scraper. Moreover, the transmission chain is simple and efficient. In addition, by designing the two passive bevel gears to have different numbers of teeth, the stirring blade and the pot edge scraper can have different rotation speeds. That is, different speeds can be transmitted through different tooth ratios, thereby achieving differentiated control. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of Embodiment 1 of this utility model; Figure 2 This is an exploded view of Embodiment 1 of this utility model; In the diagram: 1. Support arm; 2. Motor; 21. Mounting plate; 3. Active bevel gear; 4. Fixing ring; 5. First passive bevel gear; 51. First rotating shaft; 52. Universal coupling; 53. Fixing sleeve; 6. Second passive bevel gear; 61. Second rotating shaft; 62. Stirring seat; 7. Stirring blade; 8. Pot edge scraper. Detailed Implementation
[0018] The present invention will be further described in detail below with reference to specific embodiments. Methods or functional components not specifically described in the embodiments are all prior art. Unless otherwise defined, all technical terms and scientific terms used herein have the same meaning as commonly understood by those skilled in the art. Example
[0019] like Figure 1-2 As shown, this embodiment is a bidirectional bevel gear drive stirring device for a stir-fry machine, including a support arm 1, a drive module, and a stirring module. The drive module is fixedly mounted on the support arm 1 and connected to the stirring module. The stirring module includes stirring blades 7 and a pot rim scraper 8. The stirring blades 7 are mainly used to stir the center area of the pot bottom. The pot rim scraper 8 is used to clean the upper edge of the pot, sweeping the food that has been thrown to the upper edge back to the center of the pot for heating. The drive module includes a motor 2, a stirring blade transmission assembly, and a pot rim scraper transmission assembly. The stirring blade transmission assembly is used to transmit the rotational motion of the motor 2 to the stirring blades 7, and the pot rim scraper transmission assembly is used to transmit the rotational motion of the motor 2 to the pot rim scraper 8. The motor 2 is connected to both the stirring blade transmission assembly and the pot rim scraper transmission assembly through active bevel gears 3.
[0020] In this embodiment, the stirring blade drive assembly includes a first passive bevel gear 5, a first rotating shaft 51, and a universal coupling 52; the first passive bevel gear 5 meshes with the active bevel gear 3; the upper end of the first rotating shaft 51 is fixedly connected to the first passive bevel gear 5, and the lower end of the first rotating shaft 51 is fixedly connected to the upper end of the universal coupling 52; the lower end of the universal coupling 52 is connected to the central shaft of the stirring blade 7. The pot rim blade drive assembly includes a second passive bevel gear 6, a second rotating shaft 61, and a stirring seat 62; the second passive bevel gear 6 meshes with the active bevel gear 3; the upper end of the second rotating shaft 61 is fixedly connected to the second passive bevel gear 6; the lower end of the second rotating shaft 61 is fixedly connected to the stirring seat 62, and the pot rim scraper 8 is fixedly connected to the stirring seat 62. A fixing sleeve 53 is also fitted on the upper end of the central shaft of the stirring blade 7, which is indirectly connected to the universal coupling 52; this facilitates the disassembly and maintenance of the stirring blade 7. The central shaft of the stirring blade 7 is set at an angle to the stirring seat 62.
[0021] In this embodiment, the support arm 1 includes a column and a crossbar. The crossbar has an inner cavity, and the motor 2 is fixed within this cavity via a mounting plate 21. An active bevel gear 3 is fixed to the output shaft of the motor 2. A first passive bevel gear 5 and a second passive bevel gear 6 are coaxially arranged vertically. The active bevel gear 3 is positioned between the first and second passive bevel gears 5 and 6, both of which are movably connected to the support arm 1. The second passive bevel gear 6 is rotatably mounted on the crossbar of the support arm 1 via a fixing ring 4, allowing the active bevel gear 3 to simultaneously drive the first and second passive bevel gears 5 and 6 to rotate in opposite directions. The number of teeth on the first and second passive bevel gears 5 and 6 can be designed as needed; the number of teeth can be the same or different. When the number of teeth is different, the rotation speeds of the stirring blade 7 and the scraper blade 8 on the edge of the pot can be different.
[0022] The working principle of the bidirectional bevel gear drive stirring device in this example is as follows: When the motor 2 drives the active bevel gear 3 to rotate, the active bevel gear 3 will drive the first passive bevel gear 5 and the second passive bevel gear 6 to rotate synchronously. Since the first passive bevel gear 5 and the second passive bevel gear 6 are respectively set on the upper and lower sides of the active bevel gear 3, the rotation directions of the two passive bevel gears are different. For example, when the stirring blade drive assembly composed of the first passive bevel gear 5, the first rotating shaft 51 and the universal coupling 52 drives the stirring blade 7 to rotate clockwise, the pot edge blade drive assembly composed of the second passive bevel gear 6, the second rotating shaft 61 and the stirring seat 62 will drive the pot edge scraper 8 to rotate counterclockwise.
[0023] The above are only some embodiments of the present utility model and are not intended to limit the present utility model. For those skilled in the art, the present utility model can have various combinations and modifications of the aforementioned technical features. Any improvements, modifications, equivalent substitutions, or applications of the structure or method of the present utility model to other fields to achieve the same effect without departing from the spirit and scope of the present utility model shall fall within the protection scope of the present utility model.
Claims
1. A stirring device for a bidirectional bevel gear drive stir-fry machine, characterized in that: The device includes a support arm, a drive module, and a stirring module. The drive module is mounted on the support arm and connected to the stirring module. The stirring module includes stirring blades and a pot rim scraper. The drive module includes a motor, a stirring blade transmission assembly, and a pot rim scraper transmission assembly. The stirring blade transmission assembly transmits the rotational motion of the motor to the stirring blades, and the pot rim scraper transmission assembly transmits the rotational motion of the motor to the pot rim scraper. The motor is connected to both the stirring blade transmission assembly and the pot rim scraper transmission assembly via a drive bevel gear.
2. The stirring device of the bidirectional bevel gear drive stir-fry machine according to claim 1, characterized in that: The stirring blade transmission assembly includes a first passive bevel gear, a first rotating shaft, and a universal coupling; the first passive bevel gear meshes with the active bevel gear; the upper end of the first rotating shaft is fixedly connected to the first passive bevel gear, and the lower end of the first rotating shaft is fixedly connected to the upper end of the universal coupling; the lower end of the universal coupling is connected to the central shaft of the stirring blade.
3. The stirring device of the bidirectional bevel gear drive stir-fry machine according to claim 2, characterized in that: The pot rim scraper drive assembly includes a second passive bevel gear, a second rotating shaft, and a stirring seat; the second passive bevel gear meshes with the active bevel gear; the upper end of the second rotating shaft is fixedly connected to the second passive bevel gear; the lower end of the second rotating shaft is fixedly connected to the stirring seat, and the pot rim scraper is fixedly connected to the stirring seat.
4. The stirring device of the bidirectional bevel gear drive stir-fry machine according to claim 3, characterized in that: The support arm includes a column and a crossbar. The crossbar has an inner cavity. The motor is fixed in the inner cavity of the crossbar by a mounting plate. The output shaft of the motor is fixed with an active bevel gear.
5. The stirring device of the bidirectional bevel gear drive stir-fry machine according to claim 4, characterized in that: The first passive bevel gear and the second passive bevel gear are arranged coaxially, and the active bevel gear is arranged between the first passive bevel gear and the second passive bevel gear, so that the active bevel gear drives the first passive bevel gear and the second passive bevel gear to rotate simultaneously, and the rotation directions are opposite.
6. The stirring device of the bidirectional bevel gear drive stir-fry machine according to claim 5, characterized in that: The first passive bevel gear and the second passive bevel gear have the same number of teeth.
7. The stirring device of the bidirectional bevel gear drive stir-fry machine according to claim 5, characterized in that: The number of teeth on the first passive bevel gear and the second passive bevel gear are different.
8. The stirring device of the bidirectional bevel gear drive stir-fry machine according to claim 2, characterized in that: A fixing sleeve is also fitted at the upper end of the central shaft of the stirring blade, and the fixing sleeve is connected to a universal coupling.
9. The stirring device of the bidirectional bevel gear drive stir-fry machine according to claim 8, characterized in that: The central axis of the stirring blade is set at an angle to the stirring seat.
10. The stirring device of the bidirectional bevel gear drive stir-fry machine according to claim 5, characterized in that: The second passive bevel tooth is rotatably mounted on the crossbar of the support arm via a fixing ring.