CN219812054U

CN219812054U - Noise-reducing heat-dissipating main machine and food processor

Info

Publication number: CN219812054U
Application number: CN202321057617.8U
Authority: CN
Inventors: 李一峰; 朱作华
Original assignee: Foshan Bear Kitchen Electric Appliance Co Ltd
Current assignee: Foshan Bear Kitchen Electric Appliance Co Ltd
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2023-10-10
Anticipated expiration: 2033-05-05

Abstract

The utility model discloses a noise-reducing heat-dissipating host machine and a food processor. The noise-reduction heat-dissipation host comprises a shell, a motor component and a fan cover component; the shell comprises an upper shell and a lower shell assembled and connected with the upper shell, and the lower shell is provided with an air inlet groove and an air outlet; the motor component comprises a motor and a fan blade driven by the motor; the fan cover assembly comprises a cover cylinder with a double-layer structure and a fan cover bottom cover with a fan blade groove, the bottom end of the cover cylinder is connected with the fan cover bottom cover in a sealing way so that the motor assembly is limited in the cover cylinder, a heat dissipation channel is arranged between the inner side wall of the cover cylinder and the motor, and the heat dissipation channel extends from the top end of the cover cylinder to the fan blade groove; the fan cover bottom cover is assembled on the lower shell, an air inlet channel is arranged between the shell and the outer side wall of the cover cylinder, the upper end and the lower end of the air inlet channel are respectively communicated with the upper end of the heat dissipation channel and the air inlet groove, and the fan blade groove is communicated with the air outlet. Has the advantages of easy assembly and good noise reduction performance.

Description

Noise-reducing heat-dissipating main machine and food processor

Technical Field

The utility model relates to the technical field of household appliances, in particular to a noise-reducing and heat-dissipating host machine and a food processor.

Background

The wall breaking machine, the soybean milk machine, the food processor such as the food processor or the pulverizer, and the motor in the main machine rotates at a high speed to generate vibration noise and emit a large amount of heat in the using process. Therefore, the host computer needs to design a heat dissipation structure to dissipate heat, and noise can be outwards spread along with the airflow of the heat dissipation structure, so that working noise is larger.

The prior art generally provides a sound-proof housing in the host to reduce the operational noise, but the noise reduction effect is not particularly desirable. For another example, the technical scheme disclosed in chinese patent CN107468097B adopts a motor bracket to fully surround the motor, and although the noise reduction and insulation effects are improved, the assembly of the motor bracket is not easy and the assembly accuracy requirement is high, if the assembly concentricity of the motor bracket and the motor is poor, the vibration noise caused by the poor concentricity is more obvious.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art, and provides a noise-reducing and heat-radiating host machine which is easy to assemble and good in noise-reducing performance, and a food processor with the noise-reducing and heat-radiating host machine.

The utility model provides a noise-reduction heat-dissipation host machine, which comprises a shell, a motor component and a fan cover component, wherein the shell is provided with a first heat-dissipation cavity; the shell comprises an upper shell and a lower shell assembled and connected with the upper shell, and the lower shell is provided with an air inlet groove and an air outlet; the motor component comprises a motor and a fan blade driven by the motor; the fan cover assembly comprises a cover cylinder with a double-layer structure and a fan cover bottom cover with a fan blade groove, the bottom end of the cover cylinder is connected with the fan cover bottom cover in a sealing way so that the motor assembly is limited in the cover cylinder, a heat dissipation channel is arranged between the inner side wall of the cover cylinder and the motor, and the heat dissipation channel extends from the top end of the cover cylinder to the fan blade groove; the fan cover bottom cover is assembled on the lower shell, an air inlet channel is arranged between the shell and the outer side wall of the cover cylinder, the upper end and the lower end of the air inlet channel are respectively communicated with the upper end of the heat dissipation channel and the air inlet groove, and the fan blade groove is communicated with the air outlet.

In some preferred embodiments, the number of the air inlet grooves is two, and the two air inlet grooves are arranged on two sides of the air outlet and are staggered with the air outlet; the shell is also provided with two air inlet channels, and the two air inlet channels are positioned on two opposite sides in the shell.

In some preferred embodiments, the cover cylinder comprises an inner cover cylinder with a motor installation cavity and an outer cover cylinder arranged on the periphery side of the inner cover cylinder in a surrounding way, a resonance cavity is formed between the inner cover cylinder and the outer cover cylinder, a clearance groove is formed at the top end of the inner cover cylinder, and a through groove which is communicated with the motor installation cavity and the resonance cavity is formed on the side wall of the inner cover cylinder; the motor component is positioned in the motor installation cavity, and the fan blade is arranged below the fan blade through groove.

In some preferred embodiments, the number of through slots is a plurality, the plurality of through slots being circumferentially distributed on the side wall of the inner shroud.

In some preferred embodiments, the outer side of the outer casing is further provided with a silencing wall, a gap is arranged between the silencing wall and the outer side of the outer casing, and an air outlet is arranged at the top end or/and the bottom end of the gap.

In some preferred embodiments, the hood assembly further comprises an acoustic barrier, the acoustic barrier being wrapped around the outer side of the hood drum.

In some preferred embodiments, the motor assembly further comprises a motor bracket to which the motor is secured; the top end of the inner cover cylinder is pressed on the motor bracket to limit and assemble the motor assembly in the fan cover assembly.

In some preferred embodiments, the lower end of the outer cover cylinder is provided with a wiring groove, the fan cover bottom cover is provided with a mounting bracket, a circuit board matched with the motor for use is assembled on the mounting bracket, and wires of the circuit board sequentially penetrate through the wiring groove and the through groove to extend into the motor mounting cavity for connection with the motor.

In some preferred embodiments, the lower side surface of the fan cover bottom cover is provided with an upper air guide rib encircling the outer sides of the fan blade grooves, the lower shell is correspondingly provided with a lower air guide rib, and the air outlet is positioned in the lower air guide rib; when the fan cover bottom cover is assembled to the lower shell, the upper air guide rib and the lower air guide rib are in up-down butt joint so as to jointly enclose to form an air guide groove, and the fan blades are positioned in the air guide groove.

The utility model also discloses a food processor, which comprises the noise-reduction heat-dissipation host.

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

according to the utility model, the fan cover bottom cover is in sealing connection with the cover cylinder, the motor component is limited and wrapped in the fan cover component to reduce the outward transmission of motor working noise, a heat dissipation channel is formed between the inner side wall of the cover cylinder and the motor to meet the heat dissipation requirement, and meanwhile, the fan cover bottom cover is assembled on the lower shell to enable the motor component to be conveniently assembled in the shell, so that the assembly requirement of the motor component is reduced, and the installation structure is simplified. Meanwhile, through the cover cylinder with the double-layer structure, the cover cylinder forms a cavity resonance structure, so that noise generated by the motor is converted into mechanical vibration in the cover cylinder with the double-layer structure to improve the noise reduction performance, and the noise reduction heat dissipation host has the advantage of lower working noise under the condition of meeting the heat dissipation requirement.

Drawings

FIG. 1 is a schematic diagram showing a three-dimensional structure of a noise reduction and heat dissipation host with the bottom up

Fig. 2 is an exploded view of a noise reduction heat dissipation host.

Fig. 3 is a schematic diagram of the internal structure of the noise reduction heat dissipation host, and arrows and dotted lines indicate the flow direction of the air flow.

Fig. 4 is a schematic structural view of the bottom cover.

Fig. 5 is a schematic structural view of the fan housing.

Fig. 6 is a schematic view of the structure of the outside of the hood covered with soundproof cotton.

Fig. 7 is a schematic view of the assembly of the hood assembly with the bottom up.

Fig. 8 is a schematic view of the motor assembly assembled within the fan housing assembly.

Fig. 9 is a schematic view of the structure of fig. 8 further assembled on the bottom chassis.

The reference numerals in the figures are as follows:

1-upper shell, 2-motor component, 21-motor, 22-fan blade, 23-motor support, 3-cover cylinder, 31-inner cover cylinder, 310-motor installation cavity, 311-avoidance slot, 312-through slot, 313-fixed column, 32-outer cover cylinder, 321-wiring slot, 322-silencing wall, 323-air outlet, 33-resonant cavity, 4-soundproof cotton, 5-fan cover bottom, 51-fan blade slot, 52-upper air guide rib, 53-air guide slot, 54-air cutting surface, 55-installation support, 6-lower shell, 61-air inlet slot, 62-air outlet, 63-lower air guide rib, 7-bottom cover, 71-air outlet slot, 8-circuit board, 100-air inlet channel and 300-heat dissipation channel.

Description of the embodiments

In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments. In the following description, different "an embodiment" or "an embodiment" do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.

1-9, the noise-reducing and heat-dissipating host comprises a shell, a motor assembly 2 and a fan cover assembly; the casing comprises an upper casing 1 and a lower casing 6 assembled and connected with the upper casing 1, wherein the lower casing 6 is provided with an air inlet groove 61 and an air outlet 62; the motor component 2 comprises a motor 21 and a fan blade 22 driven by the motor 21; the fan cover assembly comprises a cover cylinder 3 with a double-layer structure and a fan cover bottom cover 5 with a fan blade groove 51, wherein the bottom end of the cover cylinder 3 is connected with the fan cover bottom cover 5 in a sealing way so that the motor assembly 2 is limited in the cover cylinder 3, a heat dissipation channel 300 is arranged between the inner side wall of the cover cylinder 3 and the motor 21, and the heat dissipation channel 300 extends from the top end of the cover cylinder 3 to the fan blade groove 51; the fan cover bottom cover 5 is assembled on the lower shell 6, an air inlet channel 100 is arranged between the shell and the outer side wall of the cover cylinder 3, the upper end and the lower end of the air inlet channel 100 are respectively communicated with the upper end of the heat dissipation channel 300 and the air inlet groove 61, the fan blade groove 51 is communicated with the air outlet 62, and the air outlet 62 is arranged in a staggered manner with the fan blade groove 51.

The motor assembly 2 is wrapped by the fan housing assembly in the machine shell, a relatively closed space is formed between the fan housing assembly and the machine shell to form an air inlet channel 100, the air inlet channel 100 forms air circulation under the high-speed rotation of the fan blades 22, cold air enters the machine shell from the air inlet grooves 61 and then enters the heat dissipation channel 300 from top to bottom to penetrate through the outer surface of the motor assembly 2 for heat dissipation, the cold air takes away heat generated by the motor 21 to become hot air, and the hot air is thrown to an air outlet through the centrifugal fan blades 22 for discharge, so that the heat dissipation of the motor is completed.

Wherein the number of the air inlet slots 61 may be one or more. For example, the number of the air inlet grooves 61 shown in the drawing is 2, and the 2 air inlet grooves 61 are arranged on two sides of the air outlet 62 and are staggered with the air outlet 62, so that hot air discharged from the air outlet 62 is prevented from being sucked into the machine shell again; correspondingly, 2 air inlet channels 100 are also arranged in the shell, and the two air inlet channels 100 are positioned on two opposite sides in the shell, so that the integral structure that the 2 sides are subjected to air inlet from bottom to top and then the middle part is subjected to heat dissipation and air exhaust is realized.

Even, in order to reduce the influence of the air outlet 62 on the air inlet groove 61, the air inlet groove 61 is provided at the side of the lower housing 6, and the air outlet 62 is provided at the bottom of the lower housing 6. In order to facilitate processing, a bottom cover 7 can be arranged at the bottom of the lower shell 6, an exhaust groove 71 is arranged on the bottom cover 7, and the exhaust groove 71 is communicated with the air outlet 62.

According to the utility model, the fan cover bottom cover 5 is in sealing connection with the cover cylinder 3, the motor component is limited and wrapped in the fan cover component to reduce the outward transmission of working noise of the motor 21, the heat dissipation requirement is met by forming the heat dissipation channel 300 between the inner side wall of the cover cylinder 3 and the motor 21, and meanwhile, the motor component can be conveniently assembled in the shell by assembling the fan cover bottom cover 5 on the lower shell 6, so that the assembly requirement of the motor component is reduced, and the mounting structure is simplified. Meanwhile, through the cover cylinder 3 with the double-layer structure, the cover cylinder 3 forms a cavity resonance structure, so that noise generated by the motor 21 is converted into mechanical vibration in the transmission process of the cover cylinder 3 with the double-layer structure to improve the noise reduction performance, and the noise reduction heat dissipation host has the advantage of lower working noise under the condition of meeting the heat dissipation requirement.

In some preferred embodiments, the casing 3 has an inner casing 31 having a motor mounting chamber 310 and an outer casing 32 surrounding the outer periphery of the inner casing 31, a resonance chamber 33 provided with a top opening is formed between the inner casing 31 and the outer casing 32, a clearance groove 311 is provided at the top end of the inner casing 31 to avoid the rotation shaft of the motor 2, and a through groove 312 is provided on the side wall of the inner casing 31 to communicate the motor mounting chamber 311 with the resonance chamber 33. The motor assembly is located in the motor mounting cavity 311, and the fan blade 22 is disposed below the fan blade penetration groove 51.

By improving the structure of the cover cylinder 3, a double-layer structure is adopted to form a resonant cavity 33 on the outer side surface of the motor mounting cavity 311, and a through groove 312 is communicated between the resonant cavity 33 and the motor accommodating cavity 311. When the motor 21 rotates at a high speed, a large amount of noise is generated by the motor, the noise is transmitted outwards in a mechanical wave energy manner, the inside of the motor mounting cavity 311 is a relatively closed environment, at this time, the noise can only be continuously reflected inside the motor mounting cavity 311 and is absorbed by the inner cover cylinder 31, and when part of the noise is transmitted to the resonant cavity 33 through the through groove 312, the noise is further decomposed and consumed by the resonant cavity 33, and part of the noise is converted into heat energy generated by mechanical vibration, so that the noise reduction performance is greatly improved.

In some preferred embodiments, the number of the through slots 312 is plural, and the plural through slots 312 are circumferentially distributed on the side wall of the inner casing 31, so that noise generated by the operation of the motor 21 in the motor mounting cavity 311 is propagated through the plural through slots 312 in different directions toward the resonant cavity 33 to enhance the noise reduction capability.

In some preferred embodiments, the outer side of outer casing 32 is further provided with a silencing wall 322, silencing wall 322 is arc-shaped towards the outer side of outer casing 32, a gap is provided between silencing wall 322 and the outer side of outer casing 32, and an air gap 323 is provided at the top or/and bottom of the gap. Noise reduction performance of the fan housing assembly is further improved by providing sound deadening wall 322 to reflect operating noise back to outer housing tube 32 as it propagates through outer housing tube 32.

In some preferred embodiments, the hood assembly further includes an acoustic baffle 4, with the acoustic baffle 4 wrapped around the outside of the hood cylinder 32. The noise reduction performance of the fan housing assembly is further improved by the soundproof cotton 4.

In some preferred embodiments, the motor assembly 2 further comprises a motor bracket 23, the motor 21 being fixed to the motor bracket 23; the top end of the inner cover cylinder 31 is pressed on the motor bracket 23, so that the motor component 2 is assembled in the cover component in a limiting way by utilizing the sealing connection between the cover bottom cover 5 and the cover cylinder 3, and the resistor component is wrapped by the cover component. This structure is advantageous in simplifying the assembly structure of the motor assembly.

In some preferred embodiments, the inner side wall of the inner cover 31 is provided with a plurality of fixing columns 313, and the fan cover bottom cover 5 is correspondingly provided with fixing screw holes, and the fan cover bottom cover 5 is in sealing assembly connection with the cover 3 by screwing the screws through the fixing screw holes and the fixing columns 313 at corresponding positions.

In some preferred embodiments, the lower end of the housing tube 32 is provided with a wiring groove 321, the housing bottom cover 5 is provided with a mounting bracket 55, the circuit board 8 matched with the motor 21 is assembled on the mounting bracket 55, and wires of the circuit board 8 sequentially pass through the wiring groove 321 and the through groove 312 to extend into the motor mounting cavity 310 to be connected with the motor 21. The structure enables the motor component, the fan cover component and the circuit board 8 to be an integral module, which is convenient for integral assembly and later maintenance.

In some preferred embodiments, as shown in fig. 3, 4 and 7, the lower side surface of the fan cover bottom cover 5 is provided with an upper air guiding rib 52 surrounding the outer side of the fan blade groove 51, the lower shell 6 is correspondingly provided with a lower air guiding rib 63, and the air outlet 62 is positioned in the lower air guiding rib 63; when the fan cover bottom cover 5 is assembled to the lower shell 6, the upper air guide ribs 52 and the lower air guide ribs 63 are in up-down butt joint to form an air guide groove 53 together, and the lower through-air blade grooves 51 of the fan blades 23 are positioned in the air guide groove 53. When the noise-reduction heat-dissipation main machine works, the motor 21 drives the centrifugal fan blade 23 to rotate at a high speed in the air guide groove 53, so that negative pressure is formed in the air guide groove 53, external cold air is sucked into the air inlet channel 100 from the air inlet groove 61 by the negative pressure, and then enters the heat-dissipation channel 300 and is discharged from the air outlet 62.

In order to facilitate the hot air to flow to the air outlet 62 more smoothly after entering the air guide groove 53, a wind-cutting surface 54 is further provided on the lower side of the fan housing bottom cover 5, which is arc-shaped and downward to extend towards the air outlet 62, and the hot air is guided to the air outlet 62 by the wind-cutting surface 54 to improve the heat dissipation efficiency.

The utility model also discloses a food processing machine, which comprises the noise-reducing heat-dissipating host machine, a food processing container and a processing cutter set arranged in the food processing container, wherein the processing cutter set is in transmission connection with a rotating shaft of the motor 21, so that the motor 21 drives the processing cutter set to rotate in the food processing container, and the processing treatment of food materials in the food processing container is realized.

The food processor may be a wall breaking machine, a soymilk machine, a food processor, a pulverizer, etc., and the noise-reducing and heat-dissipating host computer will not be described in detail here.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A noise-reducing and heat-dissipating host comprises a shell, a motor component and a fan cover component; the shell comprises an upper shell and a lower shell assembled and connected with the upper shell, and the lower shell is provided with an air inlet groove and an air outlet; the motor component comprises a motor and a fan blade driven by the motor; the method is characterized in that:

the fan cover assembly comprises a cover cylinder with a double-layer structure and a fan cover bottom cover with a fan blade groove, the bottom end of the cover cylinder is connected with the fan cover bottom cover in a sealing way so that the motor assembly is limited in the cover cylinder, a heat dissipation channel is arranged between the inner side wall of the cover cylinder and the motor, and the heat dissipation channel extends from the top end of the cover cylinder to the fan blade groove;

the fan cover bottom cover is assembled on the lower shell, an air inlet channel is arranged between the shell and the outer side wall of the cover cylinder, the upper end and the lower end of the air inlet channel are respectively communicated with the upper end of the heat dissipation channel and the air inlet groove, and the fan blade groove is communicated with the air outlet.

2. The noise-reducing heat-dissipating host of claim 1, wherein: the number of the air inlet grooves is two, and the two air inlet grooves are arranged on two sides of the air outlet and are staggered with the air outlet; the shell is also provided with two air inlet channels, and the two air inlet channels are positioned on two opposite sides in the shell.

3. The noise-reducing heat-dissipating host of claim 1, wherein: the cover cylinder comprises an inner cover cylinder with a motor installation cavity and an outer cover cylinder which is arranged on the outer periphery side of the inner cover cylinder in a surrounding manner, a resonance cavity is formed between the inner cover cylinder and the outer cover cylinder, a clearance groove is formed in the top end of the inner cover cylinder, and a through groove which is communicated with the motor installation cavity and the resonance cavity is formed in the side wall of the inner cover cylinder; the motor component is positioned in the motor installation cavity, and the fan blade is arranged below the fan blade through groove.

4. A noise-reducing heat-dissipating host computer as defined in claim 3, wherein: the number of the through grooves is multiple, and the through grooves are circumferentially distributed on the side wall of the inner cover cylinder.

5. A noise-reducing heat-dissipating host computer as defined in claim 3, wherein: the outer side surface of the outer cover cylinder is also provided with a silencing wall, a gap is arranged between the silencing wall and the outer side surface of the outer cover cylinder, and an air passing port is arranged at the top end or/and the bottom end of the gap.

6. A noise-reducing heat-dissipating host computer as defined in claim 3, wherein: the fan housing assembly further comprises soundproof cotton, and the soundproof cotton is wrapped on the outer side face of the outer housing cylinder.

7. A noise-reducing heat-dissipating host computer as defined in claim 3, wherein: the motor assembly further comprises a motor bracket, and the motor is fixed on the motor bracket; the top end of the inner cover cylinder is pressed on the motor bracket to limit and assemble the motor assembly in the fan cover assembly.

8. A noise-reducing heat-dissipating host computer as defined in claim 3, wherein: the lower extreme of dustcoat section of thick bamboo is equipped with the wiring groove, and the fan housing bottom has the installing support, and the circuit board that uses with the motor collocation assembles on the installing support, and the wire of circuit board passes the wiring groove in proper order and leads to the inslot and link to each other with the motor installation cavity.

9. The noise-reducing and heat-dissipating host of any one of claims 1-8, wherein: the lower side surface of the fan cover bottom cover is provided with an upper air guide rib encircling the outer side of the fan blade groove, the lower shell is correspondingly provided with a lower air guide rib, and the air outlet is positioned in the lower air guide rib; when the fan cover bottom cover is assembled to the lower shell, the upper air guide rib and the lower air guide rib are in up-down butt joint so as to jointly enclose to form an air guide groove, and the fan blades are positioned in the air guide groove.

10. A food processor comprising a noise reducing heat dissipating host as defined in any one of claims 1-9.