Air exhaust and heat dissipation structure of chef machine

Abstract

The utility model discloses an exhaust heat dissipation structure of a chef machine, which comprises a machine head shell, a fan, a motor cover arranged in the machine head shell and a motor arranged in the motor cover, the machine head shell is provided with a first air inlet, a second air inlet and an air outlet, and the motor cover is provided with a first air inlet, a second air inlet and an air outlet. The fan is detachably mounted at the air outlet and can be detached from the air outlet, and when the fan rotates, air entering the machine head shell from the first air inlet sequentially flows through the first air inlet, the interior of the motor cover and the air outlet and then flows out of the air outlet; air entering the machine head shell from the second air inlet sequentially flows through the second air inlet, the interior of the motor cover and the air outlet and then flows out of the air outlet. According to the utility model, heat dissipation can be carried out on key components such as the motor through the fan, and the heat dissipation effect is excellent. After the motor is shut down, the fan can continue to work, residual heat is discharged, and the service life of key components such as the motor can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of chef machines, and in particular to an exhaust and heat dissipation structure of a chef machine. Background Art

[0002] In traditional food processors, the flow of hot and cold air is chaotic, which does not form the final effect. The product casing generates severe heat, and key components such as the motor and drive shaft are easily shortened in life due to overheating.

[0003] In order to solve the above problem, there is a method on the market of setting an impeller on the main shaft of the motor to dissipate the heat of the motor. However, in such a design, the rotation of the impeller is synchronized with the rotation of the motor. When the motor just stops rotating, there is still a large amount of heat inside the head that has not been dissipated, and the impeller has stopped rotating at this time, which is not conducive to dissipating the remaining heat. In addition, after the impeller has been used for a period of time, dust will adhere to its blades, and since it is installed on the main shaft of the motor, it is very inconvenient to remove the impeller for cleaning. Utility Model Content

[0004] In view of this, the purpose of the utility model is to provide an exhaust and heat dissipation structure of a food processor with excellent heat dissipation and cooling effect.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A food processor exhaust and heat dissipation structure comprises a head shell, a fan, a motor cover arranged in the head shell, and a motor arranged in the motor cover, wherein a first air inlet is arranged at the front end of the head shell, a second air inlet and an air outlet located below the second air inlet is arranged at the rear end of the head shell, the motor cover has a first air inlet at the front end, a second air inlet at the rear end, an air outlet is arranged at the lower part of the motor cover, the fan is detachably mounted at the air outlet and can be removed from the air outlet, when the fan rotates, the air entering the head shell from the first air inlet flows through the first air inlet, the inside of the motor cover and the air outlet in sequence, and then flows out from the air outlet, and the air entering the head shell from the second air inlet flows through the second air inlet, the inside of the motor cover and the air outlet in sequence, and then flows out from the air outlet.

[0007] In a preferred embodiment of the present invention, the fan is screwed to the machine head shell, or the fan is connected to the machine head shell by a snap-fit, or the fan is connected to the machine head shell by a magnetic device to prevent the fan from falling out of the air outlet.

[0008] In a preferred embodiment of the present invention, an air-guiding gap is left between the inner wall of the motor cover and the motor for air flow to pass through.

[0009] In a preferred embodiment of the utility model, a transmission main shaft is rotatably arranged inside the head shell, a reduction assembly is connected between the output shaft of the motor and the transmission main shaft, and a first air duct connecting the first air inlet and the first air inlet is arranged between the upper part of the reduction assembly and the inner wall of the head shell.

[0010] In a preferred embodiment of the present invention, a power assembly seat is provided in the head shell, and the transmission main shaft is rotatably installed on the power assembly seat, and the lower end of the transmission main shaft is fixedly connected to a shaft seat exposed on the lower surface of the front part of the head shell, and a stirring shaft is rotatably provided on the shaft seat, and a third air inlet is provided between the shaft seat and the head shell, and a second air duct connected to the third air inlet is formed between the lower surface of the power assembly seat and the shaft seat, and a third air duct connecting the second air duct and the air outlet is formed between the lower surface of the power assembly seat and the lower part of the head shell, and a part of the transmission main shaft is located in the second air duct.

[0011] In a preferred embodiment of the present invention, an inner gear ring located in the second air duct is fixed on the power assembly seat, the inner gear ring is coaxial with the transmission main shaft, the stirring shaft is parallel to the transmission main shaft, and a driven gear located in the second air duct is provided at the upper end of the stirring shaft, the driven gear is meshed with the inner gear ring so that the stirring shaft can rotate around its own axis while revolving around the transmission main shaft.

[0012] In a preferred embodiment of the present invention, the third air inlet is a gap between the shaft seat and the head shell.

[0013] In a preferred embodiment of the present invention, a first cover plate is provided at the front end of the head shell, the first air inlet is the gap between the first cover plate and the head shell, and a second cover plate is provided at the rear end of the head shell, the second air inlet is the gap between the second cover plate and the head shell.

[0014] In a preferred embodiment of the utility model, the fan comprises a fan seat, an impeller rotatably mounted on the fan seat, and a micro motor capable of driving the impeller to rotate. A grille plate is also provided at the rear of the fan seat.

[0015] The beneficial effects of the utility model are:

[0016] When the first utility model is working, the fan can draw cold air from the outside into the interior of the head shell from the first air inlet and the second air inlet under the suction force. The cold air will flow through the interior of the motor cover and then be discharged from the air outlet, dissipating heat for key components such as the motor, and the heat dissipation effect is excellent. After the motor stops, the fan can continue to work to discharge the remaining heat, which is beneficial to prolonging the service life of key components such as the motor.

[0017] Second, the fan is installed in a detachable manner, which makes it easy to remove the fan regularly to clean the dust on the impeller.

[0018] Third, the cold air entering the interior of the head housing from the first air inlet will first flow through the area where the reduction assembly is located, and take out the heat generated by the reduction assembly.

[0019] Fourth, when the cold air entering from the third air inlet flows through the second air duct, it can also dissipate heat for the transmission main shaft, the inner ring gear, the driven gear and the powertrain seat, thereby increasing the service life of these components. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is one of the stereograms of a chef machine;

[0021] Figure 2 This is the second stereoscopic image of a kitchen machine;

[0022] Figure 3 This is a cross-sectional view of the chef machine in use;

[0023] Figure 4 This is a schematic diagram of the powertrain and fan structure in the food processor;

[0024] Figure 5 yes Figure 4 Exploded view of the structure shown. DETAILED DESCRIPTION

[0025] The technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0026] Reference Figures 1 to 5 The utility model proposes an exhaust and heat dissipation structure of a food processor, which is characterized by comprising a head shell 1, a fan 2, a motor cover 31 arranged in the head shell 1, and a motor 32 arranged in the motor cover 31, a first air inlet 101 is arranged at the front end of the head shell 1, a second air inlet 102 and an air outlet 104 located below the second air inlet 102 are arranged at the rear end of the head shell 1, a first air inlet 311 is arranged at the front end of the motor cover 31, a second air inlet 312 is arranged at the rear end thereof, an air outlet 313 is arranged at the lower part of the motor cover 31, and the fan 2 is detachably mounted at the air outlet 104 and can be removed from the air outlet 104.

[0027] An air guide gap 33 is provided between the inner wall of the motor cover 31 and the motor 32 for air flow. When the fan 2 rotates, the air entering the head housing 1 from the first air inlet 101 flows through the first air inlet 311, the inside of the motor cover 31 and the air outlet 313 in sequence, and then flows out from the air outlet 104. The air entering the head housing 1 from the second air inlet 102 flows through the second air inlet 312, the inside of the motor cover 31 and the air outlet 313 in sequence, and then flows out from the air outlet 104.

[0028] The fan 2 comprises a fan base 21 , an impeller 22 rotatably mounted on the fan base 21 , and a micro motor 23 capable of driving the impeller 22 to rotate. A grille plate 24 is also provided at the rear of the fan base 21 .

[0029] The fan 2 and the machine head are preferably connected in the following manner to prevent the fan 2 from escaping from the air outlet 104: first, the fan 2 and the machine head shell 1 are screwed together by fasteners such as screws; second, the fan 2 and the machine head shell 1 are connected by snaps; third, the fan 2 and the machine head shell 1 are connected by a magnetic device, such as a magnet is arranged in the machine head, and an iron block that can be attracted by the magnet is arranged on the fan 2.

[0030] When the utility model is working, under the suction force of the fan 2, the cold air from the outside can be drawn into the interior of the head shell 1 from the first air inlet 101 and the second air inlet 102. The cold air will flow through the interior of the motor cover 31 and then be discharged from the air outlet 104, dissipating the heat of the motor 32 and other key components, and the heat dissipation effect is excellent. After the motor 32 stops, the fan 2 can continue to work and discharge the remaining heat, which is beneficial to extend the service life of the motor 32 and other key components. In addition, the fan 2 adopts a detachable installation method, which is convenient for regularly removing the fan 2 to clean the dust on the impeller 22.

[0031] Reference Figure 3 A transmission main shaft 41 is rotatably arranged in the head shell 1, a reduction assembly 42 is connected between the output shaft of the motor 32 and the transmission main shaft 41, and a first air duct 105 is arranged between the upper part of the reduction assembly 42 and the inner side wall of the head shell 1 to connect the first air inlet 101 and the first air inlet 311. The above-mentioned reduction assembly 42 can be a gear set reduction assembly, or a turbine worm reduction assembly, etc. In this solution, the cold air entering the head shell 1 from the first air inlet 101 will first flow through the area where the reduction assembly 42 is located, and take out the heat generated by the reduction assembly 42.

[0032] Specifically, a power assembly seat 43 is provided in the head shell 1, the reduction assembly 42 is installed on the upper surface of the power assembly seat 43, the transmission main shaft 41 is rotatably installed on the power assembly seat 43, the upper end of the transmission main shaft 41 is connected to the reduction assembly 42, and the lower end of the transmission main shaft 41 is fixedly connected to a shaft seat 44 exposed on the lower surface of the front part of the head shell 1, and a stirring shaft 45 is rotatably provided on the shaft seat 44.

[0033] Furthermore, a third air inlet 103 is provided between the shaft seat 44 and the machine head housing 1, a second air passage 106 communicating with the third air inlet 103 is formed between the lower surface of the power assembly seat 43 and the shaft seat 44, a third air passage 107 communicating the second air passage 106 with the air outlet 104 is formed between the lower surface of the power assembly seat 43 and the lower part of the machine head housing 1, and a part of the transmission main shaft 41 is located in the second air passage 106. An inner gear ring 46 located in the second air passage 106 is fixed to the power assembly seat 43, the inner gear ring 46 is coaxial with the transmission main shaft 41, the stirring shaft 45 is parallel to the transmission main shaft 41, and a driven gear 47 located in the second air passage 106 is provided at the upper end of the stirring shaft 45, and the driven gear 47 is meshed with the inner gear ring 46 so that the stirring shaft 45 can rotate around its own axis while revolving around the transmission main shaft 41. With such a design, when the cold air entering from the third air inlet 103 flows through the second air duct 106 , it can also dissipate heat from the transmission main shaft 41 , the inner ring 46 , the driven gear 47 and the power assembly seat 43 , thereby increasing the service life of these components.

[0034] Preferably, the third air inlet 103 is a gap between the shaft seat 44 and the head shell 1. The front end of the head shell 1 is provided with a first cover plate 51, the first air inlet 101 is a gap between the first cover plate 51 and the head shell 1, the rear end of the head shell 1 is provided with a second cover plate 52, and the second air inlet 102 is a gap between the second cover plate 52 and the head shell 1.

[0035] 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 specification and drawings under the utility model concept, or directly or indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An exhaust and heat dissipation structure of a food processor, characterized in that: The invention comprises a head shell (1), a motor cover (31) arranged in the head shell (1), and a motor (32) arranged in the motor cover (31); the front end of the head shell (1) is provided with a first air inlet (101); the rear end of the head shell (1) is provided with a second air inlet (102) and an air outlet (104) located below the second air inlet (102); the front end of the motor cover (31) has a first air inlet (311), the rear end has a second air inlet (312), the lower part of the motor cover (31) has an air outlet (313), and the exhaust and heat dissipation structure It also includes a fan (2) which, when rotating, enables air entering the head housing (1) from the first air inlet (101) to flow through the first air inlet (311), the interior of the motor cover (31) and the air outlet (313) in sequence before flowing out from the air outlet (104); and enables air entering the head housing (1) from the second air inlet (102) to flow through the second air inlet (312), the interior of the motor cover (31) and the air outlet (313) in sequence before flowing out from the air outlet (104); the fan (2) is detachably mounted at the air outlet (104) and can be removed from the air outlet (104).

2. The exhaust and heat dissipation structure of a food processor according to claim 1, characterized in that: The fan (2) is screwed to the machine head housing (1), or the fan (2) is connected to the machine head housing (1) by a snap-fit, or the fan (2) is connected to the machine head housing (1) by a magnetic device to prevent the fan (2) from falling out of the air outlet (104).

3. The exhaust and heat dissipation structure of a chef machine according to claim 1, characterized in that: An air guide gap (33) for air flow to pass through is left between the inner side wall of the motor cover (31) and the motor (32).

4. The exhaust and heat dissipation structure of a chef machine according to claim 1, characterized in that: A transmission main shaft (41) is rotatably arranged inside the head shell (1), a reduction assembly (42) is connected between the output shaft of the motor (32) and the transmission main shaft (41), and a first air duct (105) for connecting the first air inlet (101) and the first air inlet (311) is arranged between the upper part of the reduction assembly (42) and the inner wall of the head shell (1).

5. The exhaust and heat dissipation structure of a food processor according to claim 4, characterized in that: A power assembly seat (43) is arranged in the head shell (1), and the transmission main shaft (41) is rotatably mounted on the power assembly seat (43); the lower end of the transmission main shaft (41) is fixedly connected to a shaft seat (44) exposed on the lower surface of the front part of the head shell (1); a stirring shaft (45) is rotatably arranged on the shaft seat (44); a third air inlet (103) is arranged between the shaft seat (44) and the head shell (1); a second air duct (106) connected to the third air inlet (103) is formed between the lower surface of the power assembly seat (43) and the shaft seat (44); a third air duct (107) connecting the second air duct (106) and the air outlet (104) is formed between the lower surface of the power assembly seat (43) and the lower part of the head shell (1); a part of the transmission main shaft (41) is located in the second air duct (106).

6. The exhaust and heat dissipation structure of a food processor according to claim 5, characterized in that: An inner gear ring (46) located in the second air passage (106) is fixed on the power assembly seat (43), the inner gear ring (46) is coaxial with the transmission main shaft (41), the stirring shaft (45) is parallel to the transmission main shaft (41), and a driven gear (47) located in the second air passage (106) is arranged at the upper end of the stirring shaft (45), the driven gear (47) is meshed with the inner gear ring (46) so that the stirring shaft (45) can rotate around its own axis while revolving around the transmission main shaft (41).

7. The exhaust and heat dissipation structure of a food processor according to claim 5, characterized in that: The third air inlet (103) is a gap between the shaft seat (44) and the head shell (1).

8. The exhaust and heat dissipation structure of a chef machine according to claim 1, characterized in that: A first cover plate (51) is provided at the front end of the head shell (1), and the first air inlet (101) is the gap between the first cover plate (51) and the head shell (1); a second cover plate (52) is provided at the rear end of the head shell (1), and the second air inlet (102) is the gap between the second cover plate (52) and the head shell (1).

9. The exhaust and heat dissipation structure of a food processor according to claim 2, characterized in that: The fan (2) comprises a fan seat (21), an impeller (22) rotatably mounted on the fan seat (21), and a micro motor (23) capable of driving the impeller (22) to rotate. A grille plate (24) is also provided at the rear of the fan seat (21).

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