A transmission mechanism used in a chef machine

Abstract

The present invention discloses a transmission mechanism applied to a chef machine, comprising a driving motor, a vertical output shaft, a gear box fixed relative to a housing of the driving motor, and a main transmission shaft rotatably arranged on the gear box, a worm is arranged at the output end of the driving motor, a first turbine matched with the worm is arranged on one side of the worm, a second turbine matched with the worm is arranged on the other side of the worm, the first turbine is connected to the main transmission shaft through a first transmission mechanism, the second turbine is connected to the main transmission shaft through a second transmission mechanism so that the first turbine and the second turbine can drive the main transmission shaft to rotate together, and the main transmission shaft and the vertical output shaft are connected through a third transmission mechanism. The worm in the transmission mechanism of the present invention is evenly stressed, not easy to wear, has low heat generation, and has a long service life.

Description

Technical Field

[0001] The present invention relates to the technical field of food processors, and in particular to a transmission mechanism used in food processors. Background Art

[0002] In recent years, food processing machines, such as chef machines, have become increasingly popular among consumers. There are many types of chef machines, which can be used to grind meat, crush fruit, mix flour or other foods, thus saving manpower, improving food production efficiency, and being very convenient.

[0003] The working function of a food processor mainly depends on the structural configuration of its transmission device, but the transmission device of existing food processors is relatively conventional, generally driving the vertical output shaft to rotate through a motor-driven gear set, a worm gear mechanism, a belt drive mechanism, etc. Take a food processor that uses a worm gear mechanism as an example. The worm gear therein is driven in conjunction with a turbine, so only one side of the worm gear and the turbine is in contact with force, and its elastic deformation is large, which is easy to wear, and the worm gear is unevenly stressed and prone to fatigue deformation; in addition, due to the large friction between the worm gear and the turbine, a large amount of heat is easily generated. This heat is superimposed on the heat generated by the motor and other moving parts themselves, resulting in an extremely high temperature inside the food processor. Even if an air cooling system is set up inside the food processor, this heat will be transferred to the casing of the food processor, causing the casing to heat up severely. Summary of the invention

[0004] In view of this, an object of the present invention is to provide a transmission mechanism for a food processor, in which a worm is evenly stressed, is not easily worn, generates less heat, and has a long service life.

[0005] The technical solution adopted by the present invention to solve the technical problem is:

[0006] A transmission mechanism used in a food processor comprises a drive motor, a vertical output shaft, a gear box fixed relative to a housing of the drive motor, and a main transmission shaft rotatably arranged on the gear box, wherein a worm is arranged at the output end of the drive motor, a first turbine matched with the worm is arranged on one side of the worm, and a second turbine matched with the worm is arranged on the other side of the worm, the first turbine is connected to the main transmission shaft through a first transmission mechanism, the second turbine is connected to the main transmission shaft through a second transmission mechanism so that the first turbine and the second turbine can drive the main transmission shaft to rotate together, and the main transmission shaft and the vertical output shaft are connected through a third transmission mechanism.

[0007] Preferably, the first turbine and the second turbine are symmetrically arranged on the left and right sides of the worm.

[0008] Preferably, the main transmission shaft is perpendicular to the worm, the main transmission shaft sleeve is provided with a first gear that rotates synchronously therewith, the first transmission mechanism includes a second gear meshing with the first gear, and the second gear is connected to the first turbine so that the two can rotate synchronously.

[0009] Preferably, the second transmission mechanism comprises a third gear meshing with the first gear, and a fourth gear meshing with the third gear, and the fourth gear is connected to the second turbine so that the two can rotate synchronously.

[0010] Preferably, the second gear is connected to the first turbine via a gear shaft, and the fourth gear is connected to the second turbine via a gear shaft.

[0011] Preferably, the third transmission mechanism includes an internal gear, a planetary gear and a planetary bracket, the internal gear is fixed to the gear box, the planetary bracket is connected to the lower end of the main transmission shaft and rotates synchronously with the main transmission shaft, the vertical output shaft is pivoted to the planetary bracket and can rotate around its own axis, and the planetary gear is sleeved on the vertical output shaft and meshes with the internal gear.

[0012] Preferably, the gear box is further provided with a transverse output shaft, and the main transmission shaft is connected to the transverse output shaft via a fourth transmission mechanism to drive the transverse output shaft to rotate.

[0013] Preferably, the transverse output shaft is perpendicular to the main transmission shaft, and the fourth transmission mechanism includes a first bevel gear sleeved on the main transmission shaft, and a second bevel gear sleeved on the transverse output shaft and meshing with the first bevel gear.

[0014] Preferably, the gear box is fixedly provided with a motor mounting seat, and the drive motor is fixedly mounted on the motor mounting seat.

[0015] Preferably, the gear box is fixedly connected to a transmission component mounting seat, and a plurality of thermal insulation rubber particles are provided on the edge of the transmission component mounting seat and / or the edge of the gear box, and the thermal insulation rubber particles are distributed at intervals. The thermal insulation rubber particles are provided with through holes for threaded fasteners to pass through, so that the gear box and the transmission component mounting seat can be installed on the chef machine through the thermal insulation rubber particles and the threaded fasteners.

[0016] Preferably, at least one heat-insulating rubber particle is connected to the transmission component mounting seat via a detachable connecting structure.

[0017] Preferably, the connection structure includes a C-shaped rubber particle seat arranged on the edge of the transmission component mounting seat, and a circumferential groove arranged in the middle of the thermal insulation rubber particles, and the C-shaped rubber particle seat is inserted into the circumferential groove to fix the thermal insulation rubber particles.

[0018] Preferably, the tail end of the main shaft of the drive motor extends to the outside of the drive motor, and the tail end of the main shaft of the drive motor is connected to a heat exhaust fan.

[0019] The beneficial effects of the present invention are:

[0020] 1. Two turbines are output on both sides of the worm at the same time, and the force is balanced during operation, which is not easy to fatigue and deform, which is beneficial to reduce friction, reduce the wear of the worm and turbine, and increase the service life. At the same time, there is almost no elastic deformation during the rotation of the worm, the friction between the worm and the turbine is small, and the heat generated is also less, which is beneficial to reduce the heat generation of the overall transmission structure.

[0021] 2. Use C-shaped rubber particle seat to install thermal insulation rubber particles, which is convenient and fast to install and relatively tight.

[0022] 3. After the heat-insulating rubber particles are installed on the shaped rubber particle seat, screws or other fasteners are passed through the through holes on the heat-insulating rubber particles, and finally the screws are tightened on the housing of the food processor to fix the transmission structure of the present invention. After the installation is completed, the heat-insulating rubber particles play a role in both installation and fixing, and also play a role in heat insulation, preventing the heat generated by the drive motor and the transmission components from being transferred to the housing of the food processor. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional diagram of the coordination relationship of the action parts of the present invention;

[0024] Figure 2 It is a three-dimensional diagram of the transmission structure between the drive motor and the main transmission shaft;

[0025] Figure 3 This is an exploded view when the air guide plate of the drive motor is removed;

[0026] Figure 4 This is the exploded view when the thermal insulation particles are removed;

[0027] Figure 5 It is a schematic diagram of the structure when the present invention is installed on a chef machine;

[0028] Figure 6 yes Figure 5 Enlarged view of part A. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings.

[0030] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly. In addition, the descriptions of "preferred", "sub-preferred", etc. in the present invention are only used for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined as "preferred" or "sub-preferred" may explicitly or implicitly include at least one such feature.

[0031] Reference Figures 1 to 6 The present invention proposes a transmission mechanism for a food processor, comprising a driving motor 1, a vertical output shaft 2, a gear box 3 fixed relative to the housing of the driving motor 1, and a main transmission shaft 4 rotatably arranged on the gear box 3, a worm 5 is arranged at the output end of the driving motor 1, a first turbine 6 matched with the worm 5 is arranged on one side of the worm 5, and a second turbine 7 matched with the worm 5 is arranged on the other side of the worm 5, and the first turbine 6 is connected to the main transmission shaft 4 through a first transmission mechanism. The overall transmission ratio of the worm 5, the first turbine 6, and the first transmission mechanism is equal to the overall transmission ratio of the worm 5, the second turbine 7, and the second transmission mechanism, so that the first turbine 6 and the second turbine 7 can drive the main transmission shaft 4 to rotate together. The main transmission shaft 4 and the vertical output shaft 2 are connected through a third transmission mechanism.

[0032] Specifically, the first turbine 6 and the second turbine 7 are both arranged inside the gear box 3. The first turbine 6 and the second turbine 7 are symmetrically arranged on the left and right sides of the worm 5. The first turbine 6 and the second turbine 7 have the same various parameters. Under the power of the worm 5, the two rotate in opposite directions and at the same speed.

[0033] In the present invention, two turbines are outputted on both sides of the worm 5 at the same time, and the force is balanced during operation, and fatigue deformation is not easy, which is conducive to reducing friction, reducing wear of the worm and the turbine, and increasing service life. At the same time, there is almost no elastic deformation during the rotation of the worm, the friction between the worm and the turbine is small, and the heat generated is also small, which is conducive to reducing the heat generation of the entire transmission structure.

[0034] In a preferred embodiment of the present invention, the main transmission shaft 4 is perpendicular to the worm 5, and the main transmission shaft 4 is provided with a first gear 8 that rotates synchronously therewith. The first transmission mechanism includes a second gear 9 that meshes with the first gear 8, and the second gear 9 is connected to the first turbine 6 so that the two can rotate synchronously.

[0035] In a preferred embodiment of the present invention, the second transmission mechanism includes a third gear 10 meshing with the first gear 8, and a fourth gear 11 meshing with the third gear 10, and the fourth gear 11 is connected to the second turbine 7 so that the two can rotate synchronously. The first turbine 6 and the first gear 8 are driven by a gear, and the second turbine 7 and the first gear 8 are driven by two gears, so that when the power of the first turbine 6 and the second turbine 7 that originally rotate in opposite directions is transmitted to the first gear 8, the first gear 8 can be driven to rotate in the same direction.

[0036] Optionally, the second gear 9 is connected to the first turbine 6 via a gear shaft, and the fourth gear 11 is connected to the second turbine 7 via a gear shaft.

[0037] In certain embodiments of the present invention, the first transmission mechanism and the second transmission structure may also adopt such a structure, for example, the first gear 8 is eliminated, the second gear 9 is connected to the main transmission shaft 4 through a synchronous belt mechanism, and the fourth gear 11 is also connected to the main transmission shaft 4 through a synchronous belt mechanism.

[0038] In a preferred embodiment of the present invention, the third transmission mechanism includes an internal gear 12, a planetary gear 13 and a planetary bracket 14, the internal gear 12 is fixed to the gear box 3, the planetary bracket 14 is connected to the lower end of the main transmission shaft 4 and rotates synchronously with the main transmission shaft 4, the vertical output shaft 2 is pivoted to the planetary bracket 14 and can rotate around its own axis, and the planetary gear 13 is sleeved on the vertical output shaft 2 and meshes with the internal gear 12. The use of such a transmission structure between the main transmission shaft 4 and the vertical output shaft 2 can achieve a larger transmission ratio in a smaller space, and the deceleration effect is obvious; at the same time, the vertical output shaft 2 revolves around the main transmission shaft 4 while rotating around its own axis, which is very suitable for completing complex tasks such as kneading dough.

[0039] Furthermore, the gear box 3 is also provided with a transverse output shaft 15, and the main transmission shaft 4 is connected to the transverse output shaft 15 through a fourth transmission mechanism to drive the transverse output shaft 15 to rotate. The transverse output shaft 15 and the longitudinal output shaft can be used in different occasions to process different foods, and are classified and dedicated, which is very convenient to use.

[0040] In a preferred embodiment of the present invention, the transverse output shaft 15 is perpendicular to the main transmission shaft 4, and the fourth transmission mechanism includes a first bevel gear 16 sleeved on the main transmission shaft 4, and a second bevel gear 17 sleeved on the transverse output shaft 15 and meshing with the first bevel gear 16. The transmission is carried out by two bevel gears, and the transmission is stable, which is conducive to reducing the length and width of the entire transmission mechanism, and the overall structure is compact.

[0041] Reference Figure 3 The gear box 3 is fixedly provided with a motor mounting seat 19 , and the driving motor 1 is fixedly mounted on the motor mounting seat 19 .

[0042] Reference Figures 4 to 6 As a further improvement of the present invention, the gear box 3 is fixedly connected to the transmission component mounting seat 20, and a plurality of heat insulating rubber particles 21 are arranged at intervals on the edge of the transmission component mounting seat 20, or a plurality of heat insulating rubber particles 21 are arranged at intervals on the edge of the gear box 3, or a plurality of heat insulating rubber particles 21 are arranged on the edge of the transmission component mounting seat 20 and the edge of the gear box 3. Each heat insulating rubber particle 21 is arranged at intervals, and a through hole 211 for a threaded fastener to pass through is arranged on the heat insulating rubber particle 21, so that the gear box 3 and the transmission component mounting seat 20 can be installed on the chef machine through the heat insulating rubber particles 21 and the threaded fastener.

[0043] Among them, the solution that the edge of the transmission component mounting seat 20 and the edge of the gear box 3 are both provided with a plurality of heat insulating rubber particles 21 is the best solution. In this solution, some heat insulating rubber particles 21 are connected to the transmission component mounting seat 20 through a detachable connection structure. Some heat insulating rubber particles 21 are connected to the gear box 3 through a detachable connection structure.

[0044] In a preferred embodiment of the present invention, the connection structure between the heat insulating rubber particles 21 and the transmission component mounting seat 20 includes a C-shaped rubber particle seat 22 arranged at the edge of the transmission component mounting seat 20, and a circumferential groove 212 arranged in the middle of the heat insulating rubber particles 21, and the opening of the C-shaped rubber particle seat 22 is smaller than the diameter of the circumferential groove 212. The heat insulating rubber particles 21 are fixed by inserting the C-shaped rubber particle seat 22 into the circumferential groove 212. The connection structure between the heat insulating rubber particles 21 and the gear box 3 is the same as the above structure. In this embodiment, after the heat insulating rubber particles 21 are installed on the C-shaped rubber particle seat 22, fasteners such as screws are used to pass through the through holes 211 on the heat insulating rubber particles 21, and finally the screws are tightened on the housing 25 of the chef machine to complete the fixed installation. After the installation is completed, the heat insulating rubber particles play a role in both installation and fixing, and also a role in heat insulation, preventing the heat generated by the drive motor and the transmission components from being transferred to the housing 25 of the chef machine, and then combined with the air cooling system in the chef machine, the transmission structure of the present invention can be specifically dissipated.

[0045] In order to improve the heat dissipation capability, the tail end of the main shaft of the driving motor 1 extends to the outside of the driving motor, and the tail end of the main shaft of the driving motor is connected to a heat exhaust fan 23 .

[0046] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. All equivalent structural changes made using the contents of the present invention's specification and drawings under the inventive concept of the present invention, or directly or indirectly applied in other related technical fields, are included in the patent protection scope of the present invention.

Claims

1. A transmission mechanism used in a chef machine, characterized in that: The invention comprises a driving motor (1), a vertical output shaft (2), a gear box (3) fixed relative to a housing of the driving motor (1), and a main transmission shaft (4) rotatably arranged on the gear box (3), wherein a worm (5) is arranged at the output end of the driving motor (1), a first turbine (6) matched with the worm (5) is arranged on one side of the worm (5), and a second turbine (7) matched with the worm (5) is arranged on the other side of the worm (5), the first turbine (6) is connected to the main transmission shaft (4) via a first transmission mechanism, the second turbine (7) is connected to the main transmission shaft (4) via a second transmission mechanism so that the first turbine (6) and the second turbine (7) can drive the main transmission shaft (4) to rotate together, and the main transmission shaft (4) and the vertical output shaft (2) are connected via a third transmission mechanism; The gear box (3) is fixedly connected to a transmission component mounting seat (20); a plurality of heat-insulating rubber particles (21) are provided at the edge of the transmission component mounting seat (20) and / or the edge of the gear box (3); the heat-insulating rubber particles (21) are spaced apart; and the heat-insulating rubber particles (21) are provided with through holes (211) through which threaded fasteners can pass, so that the gear box (3) and the transmission component mounting seat (20) can be mounted on the food processor via the heat-insulating rubber particles (21) and the threaded fasteners. At least one heat-insulating rubber particle (21) is connected to the transmission component mounting seat (20) via a detachable connection structure; The connection structure comprises a C-shaped rubber particle seat (22) arranged at the edge of the transmission component mounting seat (20), and a circumferential clamping groove (212) arranged in the middle of the heat insulating rubber particle (21), wherein the C-shaped rubber particle seat (22) is clamped into the circumferential clamping groove (212) to fix the heat insulating rubber particle (21); The tail end of the main shaft of the drive motor (1) extends to the outside of the drive motor, and the tail end of the main shaft of the drive motor is connected to a heat exhaust fan (23).

2. The transmission mechanism used in a chef machine according to claim 1, characterized in that: The first turbine (6) and the second turbine (7) are symmetrically arranged on the left and right sides of the worm (5).

3. The transmission mechanism used in a chef machine according to claim 2, characterized in that: The main transmission shaft (4) is perpendicular to the worm (5), and the main transmission shaft (4) is sleeved with a first gear (8) that rotates synchronously with the worm (5). The first transmission mechanism comprises a second gear (9) that meshes with the first gear (8), and the second gear (9) is connected to the first turbine (6) so that the two can rotate synchronously.

4. The transmission mechanism for a food processor according to claim 3, characterized in that: The second transmission mechanism comprises a third gear (10) meshing with the first gear (8), and a fourth gear (11) meshing with the third gear (10), and the fourth gear (11) is connected to the second turbine (7) so that the two can rotate synchronously.

5. The transmission mechanism for a food processor according to claim 1, characterized in that: The third transmission mechanism comprises an internal gear (12), a planetary gear (13) and a planetary bracket (14); the internal gear (12) is fixed to the gear box (3); the planetary bracket (14) is connected to the lower end of the main transmission shaft (4) and rotates synchronously with the main transmission shaft (4); the vertical output shaft (2) is pivotally connected to the planetary bracket (14) and can rotate around its own axis; the planetary gear (13) is sleeved on the vertical output shaft (2) and meshes with the internal gear (12).

6. The transmission mechanism for a food processor according to claim 1, characterized in that: The gear box (3) is fixedly provided with a motor mounting seat (19), and the drive motor (1) is fixedly mounted on the motor mounting seat (19).

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