CN220572048U - Food processor with good heat dissipation effect - Google Patents

Abstract

The application discloses food processor that radiating effect is good, including the host computer that has built-in motor assembly and install in the stirring cup of host computer, motor assembly includes motor and cover and locates the motor cover in the motor outside, the motor includes motor body and pivot, smash the sword in the stirring cup is connected to pivot one end, the air outlet and the radiator fan that the other end passed the motor cover bottom are connected, the inside wall of motor cover is equipped with a plurality of vertical water conservancy diversion muscle, a plurality of water conservancy diversion muscle set up and lie in between motor body lower extreme and the air outlet along the inside wall circumference interval of motor cover to with the air current water conservancy diversion between motor body lower extreme and the air outlet to the outside of motor cover. The food processor of this application, the water conservancy diversion muscle can accelerate the air current and flow out the motor cover and carry out heat and discharge, and the water conservancy diversion muscle sets up between motor body lower extreme and air outlet, can effectively prevent the air current backward flow in this region to optimize the radiating effect, and the water conservancy diversion muscle can form a plurality of reflection areas to the noise, is favorable to reducing air current exhaust noise.

Description

Food processor with good heat dissipation effect

Technical Field

The utility model relates to the field of household appliances, in particular to a food processor with good heat dissipation effect.

Background

The existing food processor is like a wall breaking machine, for the motor to be arranged in a host machine, in order to strengthen the sound insulation effect of the motor, a motor cover is arranged on the outer side of the motor, the existing motor cover is of a cylindrical structure, the interior of the motor cover is also used as a part of a heat dissipation air channel, cold air flows in from the top of the motor cover in the heat dissipation process of the motor, after motor heat is taken away, hot air flows downwards in the motor cover, flows out from the bottom of the motor cover and then continuously flows into the air channel at the bottom of the host machine shell, and finally the hot air is discharged from an air outlet to the outside atmosphere. The current motor cover forms the passageway that overflows between the inner wall of motor cover and the motor, and hot-blast in-process of discharging along the passageway that overflows takes place between the air current easily, leads to partial hot-blast difficult discharge motor cover downwards, and the hot-blast of remaining in the motor cover will lead to motor temperature decline slow, has reduced radiating efficiency and reliability. And when the air outlet of motor cover bottom sets up great, lie in the radiator fan rotation in the motor cover below outside, there is some hot air upward flow back to get into the motor cover lower extreme inboard when hot-blast coming not to discharge, leads to the radiating effect poor. In addition, when the hot air is discharged from the air outlet of the motor cover, the hot air brings larger noise, so that the noise reduction of the machine is not facilitated.

In the related art, as disclosed in patent CN114568977B, CN217959825U, the motor cover of the food processor adopts a conventional structure, and the problems of uneasy discharge of the hot air flow out of the motor cover, hot air flow back flow and large noise during hot air flow discharge are existed in the use process, which need to be solved.

Disclosure of Invention

In order to solve the technical problems that the hot air is not easy to discharge out of a motor cover, the hot air is easy to flow back and the noise is large when the hot air is discharged in the prior art, the utility model provides the food processor with good heat radiation effect.

The utility model discloses a food processor with good heat dissipation effect, which comprises a host machine internally provided with a motor assembly and a stirring cup arranged on the host machine, wherein the motor assembly comprises a motor and a motor cover covered on the outer side of the motor, the motor comprises a motor body and a rotating shaft, one end of the rotating shaft is connected with a crushing cutter in the stirring cup, the other end of the rotating shaft penetrates through an air outlet at the bottom of the motor cover to be connected with a cooling fan, a plurality of vertical guide ribs are arranged on the inner side wall of the motor cover, and are arranged at intervals along the circumferential direction of the inner side wall of the motor cover and are positioned between the lower end of the motor body and the air outlet so as to guide air flow between the lower end of the motor body and the air outlet to the outside of the motor cover.

The food processor with good heat dissipation effect has the following additional technical characteristics:

the plurality of guide ribs extend from the inner side wall of the motor cover towards the air outlet, and at least part of the guide ribs extend to the edge of the air outlet.

The top surface of water conservancy diversion muscle is followed the inside wall of motor housing orientation the direction downward sloping of air outlet sets up.

The motor cover comprises a first cover body and a second cover body which are transversely spliced, and guide ribs on the inner side wall of the first cover body and guide ribs on the inner side wall of the second cover body are correspondingly arranged or staggered.

The guide ribs on the first cover body are arranged in parallel, and the guide ribs on the second cover body are arranged in parallel.

The diameter of the air outlet is not larger than the inner diameter of the fan blade of the cooling fan.

The host comprises a shell and a base arranged at the bottom of the shell, an air duct cover is fixed on the base, the bottom of the motor cover is in sealing connection with the top of the air duct cover, and the cooling fan stretches into the air duct cover.

The base is provided with a wind shielding rib extending upwards, the base is also provided with an air outlet, and the wind shielding rib is arranged on one side of the cooling fan and is positioned on the radial inner side of the air outlet; the distance between the upper end face of the fan blade of the cooling fan and the plumb at the bottom end of the base is H1, and the distance between the top end of the wind shielding rib and the plumb at the bottom end of the base is H2, wherein H2 is more than H1.

The base comprises a plane corresponding to the cooling fan, a first inclined plane connected to the plane and inclined downwards, and a second inclined plane connected to the first inclined plane and inclined upwards, wherein the wind shielding rib is arranged at the joint of the first inclined plane and the second inclined plane, and the air outlet is arranged at the second inclined plane.

An upward concave buffer cavity is arranged in the air duct cover corresponding to the upper side of the wind shielding rib, the air flow flowing into the air duct cover from the motor cover flows to the buffer cavity under the drive of the cooling fan so as to cross the wind shielding rib and flow to the air outlet.

By adopting the technical scheme, the utility model has the following beneficial effects:

1. according to the food processor with good heat dissipation effect, the guide ribs are arranged on the inner side wall of the motor cover and can be used for guiding air flow in the motor cover so as to accelerate the air flow to flow out of the motor cover for heat discharge, so that the heat dissipation efficiency of the motor is improved, the guide ribs are arranged between the lower end of the motor body and the air outlet, air flow reflux in the area can be effectively prevented from causing air flow disturbance and turbulence to increase wind noise, the smoothness of air outlet is influenced, and the heat dissipation efficiency of the motor is guaranteed, and meanwhile the wind noise can be reduced; in addition, the guide ribs can increase the inner surface area of the motor cover, so that a plurality of reflection areas are formed for noise conveniently, and the noise discharged by air flow is reduced further.

2. As a preferred embodiment, a plurality of the guide ribs extend from the inner side wall of the motor cover towards the air outlet, and at least part of the guide ribs extend to the edge of the air outlet; from this, the water conservancy diversion muscle has certain radial width, and the air current can flow towards the air outlet along the wall of water conservancy diversion muscle, has promoted the wind-guiding effect, and some water conservancy diversion muscle extend to the edge of air outlet, have prolonged the wind-guiding route, can increase the reflection range to the noise when improving wind-guiding efficiency to can effectively reduce air-out wind noise, and, be located the air current near the air outlet under the barrier effect that receives the water conservancy diversion muscle, also be difficult to the backward flow get into in the motor cover, strengthened the anti-return effect.

3. As a preferred embodiment, the top surface of the guide rib is arranged obliquely downwards along the direction of the inner side wall of the motor cover towards the air outlet; therefore, the top surface of the obliquely arranged guide rib can guide the air flow above, the air flow can be accelerated to flow to the air outlet along the top surface of the guide rib, and the air guiding smoothness and efficiency can be further improved.

4. As a preferred embodiment, the motor cover comprises a first cover body and a second cover body which are transversely spliced, and the guide ribs on the inner side wall of the first cover body and the guide ribs on the inner side wall of the second cover body are correspondingly arranged or staggered; therefore, when the guide ribs on the first cover body and the second cover body are correspondingly arranged, the strength of the first cover body and the strength of the second cover body are balanced, the guide ribs form counterweights, the stability of the motor cover in the working process of the motor can be enhanced, the probability that the motor cover follows vibration is reduced, and noise reduction is facilitated.

When the guide ribs on the first cover body and the second cover body are arranged in a staggered mode, noise is easy to reflect and interfere on the wall surfaces of the guide ribs on the opposite sides in the noise transmission process, the reflection times can be increased, and the air noise of the air outlet is reduced.

And, the first cover body and the second cover body adopt the form of horizontal concatenation, need not to embolia the motor cover from down upwards when assembling the motor cover, but directly splice in the both sides of motor can, can avoid the influence of the radiator fan's of motor bottom to install the motor cover more swiftly and conveniently, optimize assembly flow.

As a further preferred embodiment of the present embodiment, the guide ribs on the first cover body are arranged in parallel, and the guide ribs on the second cover body are arranged in parallel; therefore, the guide ribs are arranged in parallel, so that demolding is facilitated when the first cover body and the second cover body are processed, and the processing procedure can be simplified.

5. As a preferred embodiment, the diameter of the air outlet is not greater than the inner diameter of the fan blade of the cooling fan; therefore, through optimizing the relation between the diameter of the air outlet and the inner diameter of the fan blade of the cooling fan, the heat dissipation effect is prevented from being deteriorated due to the fact that the hot air flows back in the process of flowing out of the motor cover, namely, the hot air can be ensured to flow to the air outlet on the host machine fully under the driving of the cooling fan after flowing out of the motor cover, and the heat dissipation efficiency and the heat dissipation effect are ensured.

6. As a preferred embodiment, the host comprises a casing and a base arranged at the bottom of the casing, an air duct cover is fixed on the base, the bottom of the motor cover is connected with the top of the air duct cover in a sealing way, and the cooling fan extends into the air duct cover; therefore, the motor cover and the air duct cover together form a heat dissipation air duct, after the air flow is discharged out of the motor cover, the air flow can flow into the air duct cover, and finally the air flow can be discharged to the outside of the machine along the air duct cover, so that the complete heat dissipation of the motor is realized; because the motor cover and the air duct cover are in sealing fit, the hot air flow can be discharged only along the heat dissipation air duct, and the temperature rise of the host caused by the hot air flow flowing into the shell can be avoided, so that the heat dissipation reliability is ensured.

As a preferred example of the present embodiment, the base is provided with a wind shielding rib extending upwards, the base is further provided with an air outlet, and the wind shielding rib is arranged at one side of the cooling fan and is positioned at the radial inner side of the air outlet; the plumb distance from the upper end face of the fan blade of the cooling fan to the bottom end of the base is H1, and the plumb distance from the top end of the wind shielding rib to the bottom end of the base is H2, wherein H2 is more than H1; therefore, through setting up the muscle that keeps out the wind, the air current that drives through radiator fan need walk around the muscle upward movement of keeping out the wind after, the downward movement flow direction air exit again, has prolonged the propagation path of noise, can effectively reduce the noise size that reaches air exit department to through the distance in extension wind channel, can reduce the wind speed that reaches air exit department, be favorable to reducing air-out wind noise.

In addition, the wind shielding rib is higher than the cooling fan, so that the air flow blown out from the cooling fan can be ensured to have a path upwards bypassing the wind shielding rib, the path of the air duct and the propagation path of noise are prolonged, and the reliability of noise reduction is ensured.

Further, the base comprises a plane corresponding to the cooling fan, a first inclined plane connected to the plane and inclined downwards, and a second inclined plane connected to the first inclined plane and inclined upwards, the wind shielding rib is arranged at the joint of the first inclined plane and the second inclined plane, and the air outlet is arranged at the second inclined plane; therefore, part of the air flow blown by the cooling fan directly moves upwards to bypass the wind shielding rib, and the other part of the air flow firstly flows downwards to the lower end of the wind shielding rib along the first inclined plane and then turns back upwards to bypass the wind shielding rib, so that the distance of the air channel and the propagation path of noise are further prolonged, and the noise reduction effect can be enhanced; and the exhaust outlet is arranged on the second inclined plane with a certain inclination angle, so that vertical air outlet can be prevented, and the reduction of air outlet noise is facilitated.

Further, a concave buffer cavity is arranged in the air duct cover corresponding to the upper side of the wind shielding rib, and air flow flowing into the air duct cover from the motor cover flows to the buffer cavity under the drive of the cooling fan so as to cross the wind shielding rib and flow to the air outlet; from this, through setting up the cushion chamber, can also continue to upwards flow a distance after the muscle of keeping out the wind by the air current, further prolonged the wind channel, and the expansion space in cushion chamber is favorable to amortization, and the noise is blocked the reflection that has strengthened the noise by the top in cushion chamber, can synthesize the promotion noise reduction effect.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

fig. 1 is an external view schematically illustrating a host according to an embodiment of the present application.

Fig. 2 is a schematic cross-sectional view of a host and its internal components according to one embodiment of the present application.

Fig. 3 is a schematic flow path of airflow during heat dissipation of a motor according to an embodiment of the present application.

FIG. 4 is a schematic diagram of the propagation path of noise during machine operation in one embodiment of the present application.

Fig. 5 is a schematic layout diagram of a flow guiding rib according to an embodiment of the present application.

Fig. 6 is a schematic view showing the composition of a motor cover according to an embodiment of the present application.

Fig. 7 is a schematic diagram of the arrangement and the dimensions of the air outlet and the cooling fan of the motor cover according to an embodiment of the present application.

Reference numerals:

10. a host; 101. a housing; 102. a base; 11. a motor; 111. a motor body; 112. a rotating shaft; 12. a motor cover; 121. a first cover; 122. a second cover; 123. an air outlet; 13. a flow guiding rib; 131. a diversion air duct; 132. the top surface of the guide rib; 124. a shrink wall; 125. a support wall; 113. a heat radiation fan; 1131. a fan blade; 1132. an air suction cavity; 103. an air duct cover; 104. a seal; 105. a first air duct; 106. a second air duct; 107. an air outlet; 14. wind shielding ribs; 1021. a plane; 1022. a first inclined surface; 1023. a second inclined surface; 1031. a buffer chamber.

Detailed Description

In order to more clearly illustrate the general inventive concept, reference will be made in the following detailed description, by way of example, to the accompanying drawings.

In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than as described herein, and therefore the scope of the present utility model is not limited by the specific embodiments disclosed below.

In addition, in the description of the present utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. However, it is noted that direct connection indicates that two connected bodies are not connected through a transition structure, but are connected through a connection structure to form a whole. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1 to 7, the application provides a food processor with good heat dissipation effect, including the host computer 10 that embeds the motor 11 subassembly and install in the stirring cup of host computer 10, the motor 11 subassembly includes motor 11 and cover locates the motor cover 12 in the motor 11 outside, motor 11 includes motor body 111 and pivot 112, smashing the sword in the stirring cup is connected to pivot 112 one end, the air outlet 123 and the radiator fan 113 connection of motor cover 12 bottom are passed to the other end, the inside wall of motor cover 12 is equipped with a plurality of vertical water conservancy diversion muscle 13, a plurality of water conservancy diversion muscle 13 set up along the inside wall circumference interval of motor cover 12 and are located between motor body 111 lower extreme and the air outlet 123, with the air current water conservancy diversion between motor body 111 lower extreme and the air outlet 123 to the outside of motor cover 12.

According to the food processor with good heat dissipation effect, the guide ribs 13 are arranged on the inner side wall of the motor cover 12 and can be used for guiding air flow in the motor cover 12 so as to accelerate the air flow to flow out of the motor cover 12 for heat discharge, so that the heat dissipation efficiency of the motor 11 is improved, and the guide ribs 13 are arranged between the lower end of the motor body 111 and the air outlet 123, so that air flow reflux in the area can be effectively prevented from causing air flow disturbance and turbulence to increase wind noise, the smoothness of air outlet is influenced, and the heat dissipation efficiency of the motor 11 is ensured and the wind noise can be reduced; in addition, the guide ribs 13 can increase the inner surface area of the motor cover 12, so that a plurality of reflection areas can be formed for noise, and the noise discharged by the air flow can be further reduced.

Specifically, as shown in fig. 2 and 6, the motor cover 12 may be of a conventional motor cover 12 structure to semi-surround the motor 11, that is, the motor cover 12 is disposed below a motor 11 support at the top of the motor 11, the motor 11 support is exposed, and further, the motor cover 12 may be of an improved structure to fully wrap the motor 11 to enhance the isolation effect on the motor 11. No matter what kind of structure is adopted in the motor cover 12, the arrangement of the guide ribs 13 in the motor cover 12 is not affected, so that the internal flow passage of the motor cover 12 is improved. The motor 11 includes a motor body 111 and a rotating shaft 112, wherein a lower connector is arranged at the upper end of the rotating shaft 112 so as to be coupled with an upper connector at the lower end of a cutter shaft of the crushing cutter assembly (when the motor cover 12 adopts a structure of fully wrapping the motor 11, a shaft hole is formed at the top of the motor cover 12 so that the upper end of the rotating shaft 112 extends upwards), the lower end of the rotating shaft 112 extends out through an air outlet 123, and a cooling fan 113 is connected at the lower end of the rotating shaft 112.

As shown in fig. 3, when the motor 11 assembly works, the rotating shaft 112 drives the cooling fan 113 to rotate, a negative pressure area is formed between the cooling fan 113 and the motor body 111, external air flows upwards along the outer surface of the motor cover 12 under the action of air pressure difference, then flows into the motor cover 12, the air flows downwards towards the winding of the motor body 111 (namely the heating source of the motor 11 assembly) to dissipate heat, and the air flows after heat exchange flow flows out to the cooling fan 113 through the air outlet 123 at the bottom of the motor cover 12 and is exhausted to the outside through the cooling fan 113, so that the heat dissipation of the motor 11 is realized. Under the condition that the guide ribs 13 are arranged in the application, the guide air channels 131 are formed between the adjacent guide ribs 13, downward air flows in the motor cover 12 through the guide air channels 131 to the air outlet 123, namely, the air flows can be divided into multiple strands and are respectively discharged along different guide air channels 131, so that the discharge efficiency of hot air flows can be improved, and the hot air flows are prevented from flowing back.

As a preferred embodiment of the present application, the plurality of guide ribs 13 extend from the inner sidewall of the motor cover 12 toward the air outlet 123, and at least part of the guide ribs 13 extend to the edge of the air outlet 123.

The air flow guide ribs 13 have a certain radial width, air flow can flow along the wall surface of the air guide ribs 13 towards the air outlet 123, the air guide effect is improved, some air guide ribs 13 extend to the edge of the air outlet 123, the air guide path is prolonged, the reflection range of noise can be increased while the air guide efficiency is improved, accordingly, the air noise of the air outlet can be effectively reduced, and air flow near the air outlet 123 is difficult to flow back into the motor cover 12 under the blocking action of the air guide ribs 13, and the backflow prevention effect is enhanced.

As shown in fig. 5, the lower end of the motor cover 12 is provided with a shrink wall 124 inclined toward the air outlet 123, and the bottom of the shrink wall 124 forms the air outlet 123. Further, the bottom end of the shrinkage wall 124 protrudes inwards to form a circle of horizontal supporting wall 125, and the air outlet 123 is disposed inside the supporting wall 125. The plurality of guide ribs 13 extend along the radial direction of the motor cover 12, the plurality of guide ribs 13 are different in height, the bottom ends of a part of guide ribs 13 are abutted on the shrinkage wall 124, and the bottom ends of a part of guide ribs 13 are abutted on the supporting wall 125, so that the forming mode of the guide ribs 13 is optimized. Further, the heights of the top ends of the plurality of guide ribs 13 can be set to be the same height or different heights; the heights of the bottom ends of the plurality of guide ribs 13 are diversified, for example, the bottom ends of some guide ribs 13 are abutted on the shrinkage wall 124, when the bottom ends of the guide ribs 13 are located at different positions of the shrinkage wall 124, the bottom ends of some guide ribs 13 are abutted on the supporting wall 125, and the heights of the bottom ends of the guide ribs 13 are the same. Through forming above-mentioned multiple unidimensional water conservancy diversion muscle 13, can more degree rational utilization motor cover 12 interior space to increase the number of water conservancy diversion muscle 13, extension wind channel journey, increase the reflection area to the noise etc. to can promote the wind-guiding effect of motor cover 12, prevent backward flow effect and exhaust noise reduction effect to a greater extent.

As a preferred embodiment of the present application, the top surface 132 of the deflector rib is disposed obliquely downward along the inner sidewall of the motor housing 12 toward the air outlet 123.

The top surface 132 of the guide rib that the slope set up can guide the air current of top, can accelerate the air current and flow to air outlet 123 along the top surface 132 of guide rib, can further improve wind-guiding smoothness and efficiency.

As shown in fig. 6, the guide rib 13 may be configured to have a certain thickness, and its downward inclined top surface may form a wind guiding surface, so as to guide the air flow above to flow down to the air outlet 123 more quickly and smoothly along the wind guiding surface, thereby facilitating air exhaust and noise reduction by reducing wind resistance. It can be understood that, in the process that the air flow above the air guide ribs 13 flows down to the air outlet 123, the air flow can reach the height above the air outlet 123 along the top surface 132 of the air guide ribs, then the air flow flows down to the air outlet 123, the air flow can also flow into the air guide channel 131 formed by the adjacent air guide ribs 13, and then reaches the air outlet 123 along the radial direction, i.e. the flowing direction of the air flow includes multiple types, based on the guiding effect of the air guide ribs 13, the air guide smoothness is comprehensively improved, and meanwhile, the air noise of the air outlet is reduced.

As a preferred embodiment of the present application, the motor housing 12 includes a first housing body 121 and a second housing body 122 that are transversely spliced, and the air guide ribs 13 are respectively disposed on the inner side wall of the first housing body 121 and the inner side wall of the second housing body 122.

In this embodiment, the motor cover 12 adopts a split type combined structure, and when the motor cover 12 is assembled, the first cover body 121 and the second cover body 122 are aligned and spliced on two sides of the motor 11, so that the motor cover is more convenient and flexible than a mode of sleeving the motor 11 from bottom to top. In addition, the first cover body 121 and the second cover body 122 are of semi-surrounding structures, so that the arrangement of the guide ribs 13 on the inner side walls of the first cover body is more facilitated, and the processing difficulty is reduced.

Regarding the arrangement manner of the guide ribs 13 on the two cover bodies, the application is not limited thereto, for example, in one embodiment, the plurality of guide ribs 13 on the first cover body 121 and the plurality of guide ribs 13 on the second cover body 122 are correspondingly arranged, so that the guide ribs 13 on the two cover bodies can balance the strength/weight of the first cover body 121 and the second cover body 122, the guide ribs 13 form a counterweight, the stability of the motor cover 12 in the working process of the motor 11 can be enhanced, the probability that the motor cover 12 follows the vibration is reduced, and noise reduction is facilitated. In another embodiment, the plurality of guide ribs 13 disposed on the first cover 121 and the plurality of guide ribs 13 disposed on the second cover 122 are arranged in a staggered manner, so that during the noise transmission process, the noise is easy to reflect and interfere on the wall surfaces of the guide ribs 13 on opposite sides, the reflection times can be increased, and the wind noise of the wind outlet can be reduced.

Preferably, the guide ribs 13 on the first cover body 121 are arranged in parallel, and the guide ribs 13 on the second cover body 122 are arranged in parallel. The parallel arrangement of the guide ribs 13 is beneficial to the demolding of the first cover body 121 and the second cover body 122 during the processing, and the processing procedure can be simplified.

It will be appreciated that in other embodiments, the plurality of ribs 13 on the motor cover 12 are radially distributed, which is advantageous for enhancing the wind guiding effect.

As a preferred embodiment of the present application, the diameter of the air outlet 123 is not greater than the inner diameter of the blades 1131 of the heat dissipation fan 113.

Through optimizing the relation of the diameter of the air outlet 123 and the inner diameter of the fan blades 1131 of the cooling fan 113, the heat dissipation effect deterioration caused by the return air in the process that the hot air flows out of the motor cover 12 can be avoided, namely, the hot air can be ensured to flow to the air outlet 107 on the host machine 10 fully under the driving of the cooling fan 113 after the hot air flows out of the motor cover 12, and the heat dissipation efficiency and the heat dissipation effect are ensured.

As shown in fig. 6 and 7, the cooling fan 113 includes a plurality of blades 1131 surrounding the rotating shaft 112, the blades 1131 bend outwards from the rotating shaft 112 (the root of the blade 1131 is close to the rotating shaft 112 and has the lowest point, the highest point of the blades 1131 is located at the top end of the air suction cavity 1132, the top end of the air suction cavity 1132 continues to extend outwards to form the other end of the blade 1131), so that the cooling fan 113 forms a sunken air suction cavity 1132 surrounding the rotating shaft 112, the inner diameter of the blades 1131 of the cooling fan 113 refers to the diameter of the top end face of the air suction cavity 1132, namely the diameter of the air outlet 123 is d1, and the diameter of the top end face of the air suction cavity 1132 is d2, wherein d1 is less than or equal to d2; therefore, when the cooling fan 113 rotates and works, the hot air flows out of the motor cover 12 from the air outlet 123 and is sucked into the air suction cavity 1132, then is thrown out radially along with the rotation of the cooling fan 113, flows out through the flow passage between the adjacent fan blades 1131 and flows to the air outlet 107 of the host 10, and as d1 is less than or equal to d2, the hot air flows into the air suction cavity 1132 and can exhaust air from all sides along with the rotation of the cooling fan 113, so that the hot air is prevented from flowing back into the motor cover 12, and the heat dissipation effect is ensured.

As a preferred embodiment of the present application, the host 10 includes a casing 101 and a base 102 disposed at the bottom of the casing 101, where an air duct cover 103 is fixed on the base 102, the bottom of the motor cover 12 is connected with the top of the air duct cover 103 in a sealing manner, and a heat dissipation fan 113 extends into the air duct cover 103.

The motor cover 12 and the air duct cover 103 together form a heat dissipation air duct, after the air flow is discharged out of the motor cover 12, the air flow can flow into the air duct cover 103, and finally the air flow can be discharged to the outside of the machine along the air duct cover 103, so that the heat dissipation of the complete motor 11 is realized; because the motor cover 12 is in sealing fit with the air duct cover 103, the hot air flow can be discharged only along the heat dissipation air duct, and the temperature rise of the host 10 caused by the hot air flow flowing into the machine shell 101 can be avoided, so that the heat dissipation reliability is ensured.

As shown in fig. 2 and 3, the lower end of the motor cover 12 is preferably provided with a constriction wall 124 inclined toward the air outlet 123, and the bottom of the constriction wall 124 forms the air outlet 123. The top of the air duct cover 103 is provided with an opening, the bottom end of the motor cover 12 extends into the air duct cover 103 through the opening, and a sealing member 104 is clamped between the top surface of the air duct cover 103 and the contraction wall 124 to form a sealed heat dissipation air duct. The air duct cover 103 and the base 102 are enclosed to form an arc-shaped first air duct 105 for accommodating the cooling fan 113 and a second air duct 106 connected to one side of the first air duct 105, when air flows into the air duct cover 103 from the motor cover 12, the air flows into the first air duct 105 first, rotates around the cooling fan 113, then enters the second air duct 106, and finally is discharged from an air outlet 107 on the second air duct 106.

Preferably, the base 102 is provided with a wind shielding rib 14 extending upwards, the base 102 is also provided with an air outlet 107, and the wind shielding rib 14 is arranged on one side of the cooling fan 113 and is positioned on the radial inner side of the air outlet 107.

Through setting up the muscle 14 that keeps out the wind, the air current that drives through radiator fan 113 need walk around the muscle 14 upward movement of keeping out the wind after, again downward movement flow direction air exit 107, prolonged the propagation path of noise, can effectively reduce the noise size that reaches air exit 107 department to through the distance in extension wind channel, can reduce the wind speed that reaches air exit 107 department, be favorable to reducing the air-out wind noise.

Fig. 3 shows the flow path of the air flow in the heat dissipation process of the motor 11, after the air flow flows into the first air duct 105 where the heat dissipation fan 113 is located, the air flow needs to move upwards to bypass the wind shielding rib 14 and then flows downwards into the second air duct 106, so that the flow path of the air flow is effectively prolonged.

Further preferably, the plumb distance from the upper end surface of the fan blade 1131 of the cooling fan 113 to the bottom end of the base 102 is H1, and the plumb distance from the top end of the wind shielding rib 14 to the bottom end of the base 102 is H2, wherein H2 > H1.

By arranging the wind shielding rib 14 higher than the heat radiation fan 113, it is possible to ensure that the air flow blown out from the heat radiation fan 113 has a path that bypasses the wind shielding rib 14 upward, to lengthen the path of the air duct and the propagation path of noise, and to ensure the reliability of noise reduction.

Further, the base 102 includes a plane 1021 corresponding to the cooling fan 113, a first inclined plane 1022 connected to the plane 1021 and inclined downward, and a second inclined plane 1023 connected to the first inclined plane 1022 and inclined upward, the wind shielding rib 14 is disposed at a connection portion between the first inclined plane 1022 and the second inclined plane 1023, and the air outlet 107 is disposed at the second inclined plane 1023.

As shown in fig. 3 and 4, a part of the air flow blown by the cooling fan 113 directly moves upward to bypass the wind shielding rib 14, and a part of the air flow firstly flows down to the lower end of the wind shielding rib 14 along the first inclined surface 1022 and then returns upward to bypass the wind shielding rib 14, so that the path of the air duct and the propagation path of noise are further prolonged, and the noise reduction effect can be enhanced; and the exhaust outlet 107 is arranged on the second inclined plane 1023 with a certain inclination angle, so that vertical air outlet can be prevented, and the noise of the air outlet can be reduced.

Further, a concave buffer chamber 1031 is provided in the air duct cover 103 corresponding to the upper side of the wind shielding rib 14, and the air flow flowing into the air duct cover 103 from the motor cover 12 flows to the buffer chamber 1031 under the driving of the cooling fan 113 so as to cross the wind shielding rib 14 and flow to the air outlet 107.

Through setting up cushion chamber 1031, can also continue to upwards flow a section distance after the air current bypasses the muscle 14 that keeps out the wind, has further prolonged the wind channel, and cushion chamber 1031's expanded space is favorable to amortization, and the noise is blocked by cushion chamber 1031's top and has strengthened the reflection of noise, can synthesize the promotion noise reduction effect. As shown in fig. 2 to 4, the top surface of the air duct cover 103 above the wind shielding rib 14 is in a convex arc shape, compared with the horizontal air duct cover 103, the space between the air duct cover 103 and the top end of the wind shielding rib 14 is increased, so that when the air flow enters the buffer chamber 1031 through the top end of the wind shielding rib 14, obvious space size mutation exists, which is beneficial to noise elimination, and the air flow can be ensured to more easily turn back to flow downwards to the air outlet 107 after reaching the top of the buffer chamber 1031, and normal discharge of the air flow is ensured.

By optimizing the respective shapes of the duct cover 103 and the base 102 or the trend of the duct enclosed by the two, it is possible to achieve an increase in the flow path of the airflow, an increase in the reflection area of the noise, and the like, and thus an improved noise reduction effect can be obtained.

The technical solution protected by the present utility model is not limited to the above embodiments, and it should be noted that, the combination of the technical solution of any one embodiment with the technical solution of the other embodiment or embodiments is within the scope of the present utility model. While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.

Claims (10)

1. The food processor with good heat dissipation effect comprises a host machine internally provided with a motor component and a stirring cup arranged on the host machine, wherein the motor component comprises a motor and a motor cover covered on the outer side of the motor, the motor comprises a motor body and a rotating shaft, one end of the rotating shaft is connected with a crushing knife in the stirring cup, the other end of the rotating shaft penetrates through an air outlet at the bottom of the motor cover to be connected with a heat dissipation fan,

the inside wall of motor housing is equipped with a plurality of vertical water conservancy diversion muscle, and is a plurality of water conservancy diversion muscle is followed the inside wall circumference interval setting of motor housing just is located between the motor body lower extreme with the air outlet, in order will the air current water conservancy diversion between the motor body lower extreme with the air outlet reaches the outside of motor housing.

2. A food processor with good heat dissipation as defined in claim 1, wherein,

the plurality of guide ribs extend from the inner side wall of the motor cover towards the air outlet, and at least part of the guide ribs extend to the edge of the air outlet.

3. A food processor with good heat dissipation as defined in claim 1, wherein,

the top surface of water conservancy diversion muscle is followed the inside wall of motor housing orientation the direction downward sloping of air outlet sets up.

4. A food processor with good heat dissipation as defined in claim 1, wherein,

the motor cover comprises a first cover body and a second cover body which are transversely spliced, and guide ribs on the inner side wall of the first cover body and guide ribs on the inner side wall of the second cover body are correspondingly arranged or staggered.

5. A food processor with good heat dissipation as defined in claim 4, wherein,

the guide ribs on the first cover body are arranged in parallel, and the guide ribs on the second cover body are arranged in parallel.

6. A food processor with good heat dissipation as defined in claim 1, wherein,

the diameter of the air outlet is not larger than the inner diameter of the fan blade of the cooling fan.

7. A food processor with good heat dissipation as defined in claim 1, wherein,

the host comprises a shell and a base arranged at the bottom of the shell, an air duct cover is fixed on the base, the bottom of the motor cover is in sealing connection with the top of the air duct cover, and the cooling fan stretches into the air duct cover.

8. A food processor with good heat dissipation as defined in claim 7, wherein,

the base is provided with a wind shielding rib extending upwards, the base is also provided with an air outlet, and the wind shielding rib is arranged on one side of the cooling fan and is positioned on the radial inner side of the air outlet;

the distance between the upper end face of the fan blade of the cooling fan and the plumb at the bottom end of the base is H1, and the distance between the top end of the wind shielding rib and the plumb at the bottom end of the base is H2, wherein H2 is more than H1.

9. A food processor with good heat dissipation as defined in claim 8, wherein,

the base comprises a plane corresponding to the cooling fan, a first inclined plane connected to the plane and inclined downwards, and a second inclined plane connected to the first inclined plane and inclined upwards, wherein the wind shielding rib is arranged at the joint of the first inclined plane and the second inclined plane, and the air outlet is arranged at the second inclined plane.

10. A food processor with good heat dissipation as defined in claim 8, wherein,

an upward concave buffer cavity is arranged in the air duct cover corresponding to the upper side of the wind shielding rib, the air flow flowing into the air duct cover from the motor cover flows to the buffer cavity under the drive of the cooling fan so as to cross the wind shielding rib and flow to the air outlet.