CN208031046U - A kind of soy bean milk making machine - Google Patents

Abstract

The application provides a kind of soy bean milk making machine, including head and cup body, head include upper cover, lower cover and motor, and upper cover is covered on lower lid and is formed accommodating chamber, and motor is located in accommodating chamber, and the rear end of motor has the outrigger shaft upwardly extended；Wherein, head further includes the ventilator cowling being located in accommodating chamber, and the inside of ventilator cowling forms heat dissipation channel；Upper lid is equipped with the ventilation hole being in communication with the outside, and the upper end of heat dissipation channel is connected to ventilation hole, and lower end is sleeved on the outside of outrigger shaft.The utility model may be used on food processing apparatus field, heat dissipation channel is formed by setting ventilator cowling and in ventilator cowling, and the ventilation hole for making the upper end of heat dissipation channel pass through on upper lid is in communication with the outside so that head can be discharged by the heat dissipation channel and ventilation hole in the hot-air that motor generates when working.

Description

A kind of soy bean milk making machine

Technical field

The utility model is related to food processing apparatus fields, and in particular, to a kind of soy bean milk making machine.

Background technology

With the fast development of soy bean milk making machine, in order to reach better crushing effect, important composition portion in crushing system Point --- the power and rotating speed of motor are increasing, with the raising of power of motor, unavoidably bring motor radiating amount excessive, It is increased so as to cause head internal temperature, and circuit board component has failure risk when the temperature is excessively high in head.

Utility model content

In order to solve the above-mentioned technical problem, the utility model provides a kind of motor in head and is radiated, reduced The soy bean milk making machine of head temperature.

In order to reach the purpose of this utility model, the technical solution that the utility model is taken is as follows：

The embodiments of the present invention provide a kind of soy bean milk making machine, including head and cup body, the head include upper cover, under Lid and motor, the upper cover are covered on the lower lid and are formed accommodating chamber, and the motor is located in the accommodating chamber, the electricity The rear end of machine has the outrigger shaft upwardly extended, wherein：

The head further includes the ventilator cowling being located in the accommodating chamber, and the inside of the ventilator cowling forms heat dissipation channel；

The upper lid is equipped with the ventilation hole being in communication with the outside, and the upper end of the heat dissipation channel is connected to the ventilation hole, Lower end is sleeved on the outside of the outrigger shaft.

In the present embodiment, upper lid is equipped with ventilation hole, which is in communication with the outside；Ventilator cowling, ventilation are equipped in head Heat dissipation channel is formed in cover, the upper end of heat dissipation channel is connected to the ventilation hole on upper lid, and lower end is sleeved on the outrigger shaft of motor Outside, the hot-air generated when such motor work can flow up in heat dissipation channel, and from ventilation hole after heat dissipation channel It is discharged to outside head so that temperature in accommodating chamber reduces, so as to the electronic components such as motor and wiring board safely and reliably work Make.

Optionally, fan blade is installed, and the fan blade is located in the heat dissipation channel on the outrigger shaft.

Fan blade is arranged on outrigger shaft, when such motor works, fan blade can be driven to rotate, and promotes air flowing so that hold Receive intracavitary hot-air quickly through heat dissipation channel, ventilation hole be discharged head so that head work when temperature reduce.

Fan blade is mounted on the outrigger shaft of motor, on the one hand be can avoid in addition setting driving mechanism and is driven fan blade rotation, subtracts The quantity for having lacked the parts in head, saves cost；On the other hand, fan blade is mounted on outrigger shaft so that fan blade turns The dynamic work with motor is carried out at the same time, and such fan blade can fully radiate to the motor of work.

Optionally, there is gap between the lower end of the heat dissipation channel and the motor；

Alternatively, the side wall of the ventilator cowling is equipped with the first through hole being connected with the heat dissipation channel, and described first Through-hole is located at below the fan blade.

There is gap, which makes the inside of accommodating chamber be in heat dissipation channel between the lower end and motor of heat dissipation channel Connected state so that when fan blade rotates, the hot-air in accommodating chamber can enter heat dissipation channel by the gap of lower end, and from upper Head is discharged in the ventilation hole at end.

The side wall of ventilator cowling is equipped with the first through hole being connected with heat dissipation channel, the setting of the first through hole so that holds It receives the inside of chamber and heat dissipation channel is in connected state；First through hole is located at below fan blade, and ventilation hole is located above fan blade so that When fan blade rotates, the hot-air in accommodating chamber can enter heat dissipation channel by the first through hole of lower section, and from the ventilation of top Head is discharged in hole.

Optionally, the head further includes the transition piece being arranged in the accommodating chamber, the company of being formed in the transition piece Circulation passage, one end of the communicating passage are connected to the lower end of the heat dissipation channel, and the other end is in communication with the outside.

Transition piece is additionally provided in the accommodating chamber of head, transition piece is used to form communicating passage, which will radiate The lower end in channel is in communication with the outside, and the upper end of heat dissipation channel is in communication with the outside by ventilation hole, in this way, communicating passage, heat dissipation are led to Road and ventilation hole can form thermal dissipating path, and extraneous cold air can enter from communicating passage, and the hot-air in accommodating chamber can be from logical Air holes is discharged, or extraneous cold air can enter from ventilation hole, and the hot-air in accommodating chamber can be discharged from communicating passage, with Effective air circulation is formed between head and the external world, reduces head temperature.

Optionally, the ventilation hole is directly in communication with the outside, and the disposed at air vent is covered with waterproof ventilated membrane；

Alternatively, the head further includes handle, there is cavity, the ventilation hole to be connected to the cavity in the handle, The cavity wall of the cavity is equipped with the second through-hole.

Ventilation hole on upper lid, which is in communication with the outside, to be realized by two ways：One is ventilation holes directly to connect with the external world Logical, the hot-air being discharged from ventilation hole is vented directly to the external world, or extraneous cold air directly enters from ventilation hole；And it is anti- Only outside liquid is flowed into from disposed at air vent in head, therefore is covered with waterproof ventilated membrane in disposed at air vent, which allows Air passes in and out, but does not allow liquid to pass through；One is ventilation holes to be in communication with the outside indirectly, such as：Cavity is set in handle, is divulged information Hole is connected to the cavity, and the second through-hole is equipped in the cavity wall of cavity, which is in communication with the outside, and such ventilation hole can It is in communication with the outside by the second through-hole on the cavity and cavity wall of handle.

Optionally, the rear end of motor described in the ventilation hole face,

The ventilator cowling is in straight-tube shape or horn-like, alternatively, the top of the ventilator cowling is flare, lower part is straight tube Portion.

The rear end of ventilation hole face motor so that the generally straight shape of ventilator cowling, if ventilator cowling can be in straight-tube shape or loudspeaker Shape, alternatively, the top of ventilator cowling is flare, lower part is that the top of vertical tube part or ventilator cowling is vertical tube part, and lower part is loudspeaker Portion.

Optionally, the ventilation hole is located at the side of the upper cover,

The ventilator cowling includes longitudinally disposed first part and the second part that is laterally arranged, the first part and institute The equal inner hollow of second part is stated, to form the heat dissipation channel；

The lower end of the first part is sleeved on the outside of the outrigger shaft, the first end of the second part and described the The upper end connection of a part, second end extends to corresponding with the ventilation hole.

Ventilation hole is located at the side of upper cover, such ventilation hole and is generally arranged at the motor at head center not face, therefore Ventilator cowling is in integrally non-linear, if ventilator cowling includes longitudinally disposed first part and the second part being laterally arranged, first The inner hollow of part and the second part, to form heat dissipation channel, and the lower end of first part is sleeved on outside outrigger shaft, will The second end of second part is corresponding with ventilation hole, so that heat dissipation channel is connected to ventilation hole.

Optionally, the upper end of the second part has an opening in transverse direction, the upper surface of the second part with The internal face of the upper cover is bonded, and the second part and the internal face of the upper cover is made to surround one of the heat dissipation channel Point.

Optionally, ventilation-sectional area of the ventilation-sectional area of the ventilation hole no more than the upper end of the heat dissipation channel.

Optionally, the lower end of the ventilator cowling is fixedly connected with the motor；

Alternatively, the upper end of the ventilator cowling is fixedly connected with the upper cover.

The lower end of ventilator cowling is sleeved on outside the outrigger shaft of motor, therefore can be realized by the way that the lower end of ventilator cowling to be connect with motor The fixation of ventilator cowling；The upper end of ventilator cowling is connected to the ventilation hole on upper lid, therefore can be by by the upper end of ventilator cowling and top cap Fetch the fixation for realizing ventilator cowling.

Compared to the prior art the utility model, has the advantages that：

The soy bean milk making machine that the embodiments of the present invention provide by forming heat dissipation channel in ventilator cowling, and keeps heat dissipation logical The upper end in road is in communication with the outside by the ventilation hole on upper lid so that the hot-air that motor generates when working can be logical by the heat dissipation Head is discharged in road and ventilation hole；

By forming communicating passage with transition piece, and the lower end of heat dissipation channel is in communication with the outside by communicating passage, connects in this way Circulation passage, heat dissipation channel and ventilation hole can form the thermal dissipating path that both ends are in communication with the outside, and one end of thermal dissipating path can be used for Into cold air, the other end can be used for heat extraction air, and effective air circulation is formed between head and the external world, to be carried out to head Heat dissipation, cooling.

Other features and advantages of the utility model will illustrate in the following description, also, partly from specification In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages can pass through Specifically noted structure is realized and is obtained in specification, claims and attached drawing.

Description of the drawings

Attached drawing is used for providing further understanding technical solutions of the utility model, and a part for constitution instruction, With for explaining the technical solution of the utility model, do not constituted to technical solutions of the utility model together with embodiments herein Limitation.

Fig. 1 is the schematic cross-sectional view according to the head of the soy bean milk making machine of one embodiment of the utility model；

Fig. 2 is the structural schematic diagram of ventilator cowling in Fig. 1；

Fig. 3 is the structural schematic diagram of upper cover in Fig. 1；

Fig. 4 is the structural schematic diagram of fan blade in Fig. 1；

Fig. 5 is the schematic cross-sectional view according to the head of the soy bean milk making machine of second embodiment of the utility model；

Fig. 6 is the structural schematic diagram of ventilator cowling in Fig. 5.

Wherein, the relationship in Fig. 1-Fig. 6 between reference numeral and component names is：

1 upper cover, 10,10 ' ventilation holes, 11 waterproof ventilated membranes, 12 exhaust passages, 2 lower covers, 3 motors, 30 outrigger shafts, 4 ventilations Cover, 40 heat dissipation channels, 41 first through hole, 4 ' ventilator cowlings, 40 ' heat dissipation channels, 41 ' first parts, 42 ' second parts, 43 ' first Through-hole, 44 ' openings, 50 handle upper covers, 51 handle lower covers, 52 cavitys, 53 third through-holes, 54 second through-holes, 6 fan blades, 7 transition Part, 70 communicating passages, 8 wiring boards.

Specific implementation mode

To make the purpose of this utility model, technical solution and advantage be more clearly understood, below in conjunction with attached drawing to this The embodiment of utility model is described in detail.It should be noted that in the absence of conflict, embodiment in the application and Feature in embodiment mutually can be combined arbitrarily.

Embodiment one：

As shown in Figure 1, the embodiments of the present invention provide a kind of soy bean milk making machine, including head and cup body.Wherein, head Including upper cover 1, lower cover 2 and motor 3, upper cover 1 is covered on lower cover 2 and is formed accommodating chamber, and motor 3 is located in accommodating chamber.

Further, the rear end of motor 3 has the outrigger shaft 30 upwardly extended；Head further includes the ventilation being located in accommodating chamber The inside of cover 4, ventilator cowling 4 forms heat dissipation channel 40；Upper cover 1 is equipped with the ventilation hole 10 being in communication with the outside, heat dissipation channel 40 Upper end is connected to ventilation hole 10, and lower end is sleeved on the outside of outrigger shaft 30.

In the present embodiment, the ventilation hole 10 being arranged in upper cover 1 is for being in communication with the outside；Ventilator cowling 4, ventilation are equipped in head It is formed with heat dissipation channel 40 in cover 4, the upper end of heat dissipation channel 40 is connected to the ventilation hole 10 in upper cover 1, and lower end is sleeved on motor 3 Outrigger shaft 30 outside, the hot-air that generates can flow up in heat dissipation channel 40 when such motor 3 works, and logical by heat dissipation It is discharged to outside head from ventilation hole 10 behind road 40 so that the temperature in accommodating chamber reduces, so as to electronics such as motor 3 and wiring boards 8 Component safely and reliably works.

Optionally, as shown in Figure 1, being equipped with fan blade 6 on outrigger shaft 30, and fan blade 6 is located in heat dissipation channel 40.Specifically Ground can be equipped with screw thread on outrigger shaft 30, and fan blade 6 is threadedly coupled on outrigger shaft 30 or fan blade 6 can prolonged by screw lock It stretches on axis 30.

Fan blade 6 is arranged on outrigger shaft 30, when such motor 3 works, fan blade 6 can be driven to rotate, and promotes air flowing, makes Head is discharged quickly through heat dissipation channel 40, ventilation hole 10 in the hot-air obtained in accommodating chamber so that temperature drop when head works It is low.

Fan blade 6 is mounted on the outrigger shaft 30 of motor 3, on the one hand be can avoid in addition setting driving mechanism and is driven 6 turns of fan blade It is dynamic, reduce the quantity of the parts in head, alleviate weight, saves cost；On the other hand, fan blade 6, which is mounted on, extends On axis 30 so that the rotation of fan blade 6 and the work of motor 3 are carried out at the same time, and such fan blade 6 can carry out fully the motor 3 of work It radiates on ground.

Optionally, there is gap, the gap to make the inside of accommodating chamber and dissipate between the lower end of heat dissipation channel 40 and motor 3 The passage of heat 40 is in connected state so that when fan blade 6 rotates, the hot-air in accommodating chamber can be entered by the gap of lower end to be dissipated The passage of heat 40, and head is discharged from the ventilation hole of upper end 10.

Alternatively, optionally, as depicted in figs. 1 and 2, the side wall of ventilator cowling 4 is equipped with the to be connected with heat dissipation channel 40 One through-hole 41, the setting of the first through hole 41 so that the inside of accommodating chamber is in connected state with heat dissipation channel 40；And first is logical Hole 41 is located at 6 lower section of fan blade, and the ventilation hole 10 in upper cover 1 is located at 6 top of fan blade so that when fan blade 6 rotates, in accommodating chamber Hot-air can enter heat dissipation channel 40 by the first through hole 41 of lower section, and head is discharged from the ventilation hole of top 10.

Optionally, as shown in Figure 1, head further includes the transition piece 7 being arranged in accommodating chamber, the company of being formed in transition piece 7 One end of circulation passage 70, communicating passage 70 is connected to the lower end of heat dissipation channel 40, and the other end is in communication with the outside.Communicating passage 70, Heat dissipation channel 40 and ventilation hole 10 can form thermal dissipating path, and the both ends of thermal dissipating path are in communication with the outside, and be rotated in this way in fan blade 6 When, one end of thermal dissipating path can be used for into cold air, and the other end can be used for heat extraction air, to be formed between head and the external world The air circulation of effect radiates to head, is cooled down.

Optionally, as shown in figure 4, fan blade 6 has certain inclination angle, the difference at inclination angle causes extraneous cold air can be from logical Air holes 10 enters, and the hot-air in accommodating chamber can be discharged from communicating passage 70, or extraneous cold air can be from communicating passage 70 Into, the hot-air in accommodating chamber can be discharged from ventilation hole 10, to form effective air circulation between head and the external world, drop Low head temperature.

Specifically, in the present embodiment, when fan blade 6 rotates, in the inside and outside generation pressure difference of ventilator cowling 4, lead to 6 lower section of fan blade Pressure is less than top so that extraneous cold air can be inhaled by ventilation hole 10 in heat dissipation channel 40, and along heat dissipation channel 40 flow down in accommodating chamber, play the role of cooling machine head internal environment；While inspiration cold air, pressure inside head It can increase by force, head can be discharged from the other end of communicating passage 70 in head hot inside air, followed to reach an effective air Ring（Cold air is into hot-air goes out, and air flowing is as shown by the arrows in Figure 1）, to effectively reduce head internal temperature, it is ensured that Motor 3, wiring board 8 etc. work in reliable ambient temperature range.

Optionally, in the present embodiment, ventilation hole 10 is directly in communication with the outside, in this way, extraneous cold air can directly from Ventilation hole 10 enters, or the hot-air being discharged from ventilation hole 10 is vented directly to the external world.

To prevent outside liquid from being flowed into head from ventilation hole 10, therefore waterproof ventilated membrane is covered at ventilation hole 10 11, as shown in Figure 1, the waterproof ventilated membrane 11 allows air to pass in and out, but do not allow liquid to pass through.

Optionally, in the present embodiment, the other end of communicating passage 70 and extraneous indirect communication.Specifically, as shown in Figure 1, Upper cover 1 is equipped with exhaust passage 12, and the lower end of exhaust passage 12 is connected to the other end of communicating passage 70；It is fixed in upper cover 1 Handle, handle is interior to have cavity 52, and the upper end of exhaust passage 12 is stretched into the cavity 52 of handle, and the cavity wall of cavity 52 is equipped with Third through-hole 53, in this way, the other end of communicating passage 70 is by the realization of exhaust passage 12, cavity 52 and third through-hole 53 and outside The connection on boundary.

Optionally, as shown in figures 1 and 3, the both sides of upper cover 1 are equipped with exhaust passage 12, and the ventilation of exhaust passage 12 Sectional area can be more than 70mm².Certainly, as needed, the ventilation-sectional area of exhaust passage 12 can also be set equal to or be less than 70mm²。

Optionally, as shown in Figure 1, handle includes handle upper cover 50 and handle lower cover 51, handle upper cover 50 and handle lower cover 51 are connected by screw in upper cover 1, and cavity 52 is formed between handle upper cover 50 and handle lower cover 51, and third through-hole 53 opens up On handle lower cover 51.

Optionally, as shown in Figure 1, the rear end of the 10 face motor 3 of ventilation hole in upper cover 1 so that ventilator cowling 4 is substantially in straight It is linear.Specifically, in the present embodiment, the top of ventilator cowling 4 is flare, and lower part is vertical tube part.

Certainly, ventilator cowling can also be in other shapes, if ventilator cowling can be in straight-tube shape or horn-like, alternatively, ventilator cowling Top is vertical tube part, and lower part is flare etc..

Optionally, ventilation-sectional area of the ventilation-sectional area of ventilation hole 10 no more than the upper end of heat dissipation channel 40.

Optionally, the lower end of ventilator cowling 4 is fixedly connected with motor 3.Specifically, as depicted in figs. 1 and 2, under ventilator cowling 4 End is equipped with mounting hole, and is fixed by screw and motor 3.

Certainly, ventilator cowling can also be fixed otherwise, such as：Upper end due to heat dissipation channel and the ventilation on upper lid Hole is connected to, and causes the upper end of ventilator cowling relatively close or contacted with upper cover away from upper cover, therefore can be by by the upper end of ventilator cowling and top cap The fixation for realizing ventilator cowling is fetched, as the upper end of ventilator cowling by screw or can snap connection on upper lid.

With reference to Fig. 1-Fig. 4, the head of the soy bean milk making machine of the present embodiment is illustrated.

Head includes upper cover 1, lower cover 2（Usually metal lower cover）, motor 3, ventilator cowling 4, fan blade 6, handle upper cover 50, carry Subordinate lid 51, waterproof ventilated membrane 11, wiring board 8 etc..

The center of upper cover 1 is equipped with ventilation hole 10, and waterproof ventilated membrane 11 is covered at ventilation hole 10, ensures that air can be into Go out, outside liquid cannot enter；There is exhaust passage 12 both sides of upper cover 1.

The rear end of motor 3 is equipped with outrigger shaft 30, and outrigger shaft 30 is equipped with screw thread, and fan blade 6 is threadedly coupled on outrigger shaft 30, And fan blade 6 has certain inclination angle.

It is formed with heat dissipation channel 40 in ventilator cowling 4, and the upper end is against the ventilation hole 10 in upper cover 1, and ventilation hole 10 Ventilation-sectional area is less than or equal to the ventilation-sectional area of the upper end of heat dissipation channel 40；The lower end of ventilator cowling 4 is sleeved on outrigger shaft 30 and wind Outside leaf 6, and by screw lock on motor 3；The lower part of ventilator cowling 4 is equipped with a circle first through hole 41, and first through hole 41 will lead to The inside and outside connection of fan housing 4, and the position of first through hole 41 is less than fan blade 6.

Transition piece 7 be lower plastic cover, periphery be equipped with flange, flange be located at upper cover 1 edge and lower cover 2 edge it Between, and be fixed between the edge of upper cover 1 and the edge of lower cover 2 by screws clamp；It is formed with communicating passage inside transition piece 7 70, the lower part of communicating passage 70 is connected to by the first ventilation hole 10 with heat dissipation channel 40, the exhaust passage of upper end and 1 both sides of upper cover 12 connections.

Wiring board 8 by screw or buckle by being fixed on transition piece 7.

Handle upper cover 50 and handle lower cover 51 are connected by screw in upper cover 1, and handle upper cover 50 and handle lower cover 51 Between form cavity 52, the upper end of exhaust passage 12 stretches into cavity 52, and third through-hole 53 is offered on handle lower cover 51.

When the work of motor 3, drive fan blade 6 rotate, heat dissipation channel 40 is inside and outside to generate pressure difference, and 6 lower section pressure of fan blade is less than Top makes head cool exterior air pass through ventilation hole 10 and is drawn onto in heat dissipation channel 40, and cold air is downward in heat dissipation channel 40 Flowing, plays the role of cooling machine head internal environment；While head inspiration cold air, head internal pressure can increase, machine Hot-air inside head can be discharged head by communicating passage 70, exhaust passage 12, cavity 52 and third through-hole 53, to reach Air circulation inside and outside to head（Cold air is into hot-air goes out, and air-flow direction is as shown by the arrows in Figure 1）, to effectively Reduce head internal temperature, it is ensured that wiring board 8 works in reliable ambient temperature range.

It is of course also possible to the inclination angle by changing fan blade 6 so that when fan blade 6 rotates, 6 top pressure of fan blade is less than lower section, Extraneous cold air can be entered by third through-hole 53, cavity 52, exhaust passage 12 and communicating passage 70 inside head in this way；Machine Hot-air in head is discharged to by heat dissipation channel 40 and ventilation hole 10 outside head（At this time in the flow direction and Fig. 1 of air Direction shown in arrow is opposite）.

Embodiment two：

A kind of soy bean milk making machine is present embodiments provided, is with the main difference place of embodiment one：It is upper to cover ventilation hole Installation position it is different and therefore caused by ventilator cowling structure difference.

As shown in Figure 5 and Figure 6, in the present embodiment, ventilation hole 10 ' is located at the side of upper cover 1, such ventilation hole 10 ' with It is generally arranged at the motor 3 at head center not face, therefore it is in non-linear that ventilator cowling 4 ' is whole, so that ventilator cowling 4 ' is internal The upper end of heat dissipation channel 40 ' is connected to ventilation hole 10 ', and lower end is sleeved on outside the outrigger shaft 30 of motor 3.

Optionally, ventilator cowling 4 ' includes longitudinally disposed first part 41 ' and the second part 42 ' being laterally arranged, and first Part 41 ' and the equal inner hollow of second part 42 ', to form heat dissipation channel 40 '.

The lower end of first part 41 ' is sleeved on the outside of outrigger shaft 30, and it is logical that a circle first is offered in first part 41 ' Hole 43 ', first through hole 41 ' is by the inside and outside connection of ventilator cowling 4 ', and the position of first through hole 43 ' is less than fan blade 6.

The first end of second part 42 ' is connect with the upper end of first part 41 ', and second end extends to and 10 ' phase of ventilation hole It is corresponding, so that heat dissipation channel 40 ' is connected to ventilation hole 10 '.

Still optionally further, the upper end of second part 42 ' has an opening 44 ' in transverse direction, second part 42 ' it is upper End face is bonded with the internal face of upper cover 1, and second part 42 ' and the internal face of upper cover 1 is made to surround the channel of relative closure, the channel It can be used as a part for heat dissipation channel 40 '.

Optionally, in the present embodiment, the ventilation hole 10 ' in upper cover 1 is in communication with the outside indirectly.Specifically, ventilation hole 10 ' Upper end is stretched into the cavity 52 of handle, and in the cavity wall of cavity 52（That is handle lower cover 51）It is equipped with the second through-hole 54, this second Through-hole 54 is in communication with the outside, such ventilation hole 10 ' can be realized by the second through-hole 54 on the cavity 52 and cavity wall of handle with it is outer The connection on boundary.

The cooling principle of the head of the present embodiment is as follows.

When the work of motor 3, drive fan blade 6 rotate, heat dissipation channel 40 ' is inside and outside to generate pressure difference, and 6 lower section pressure of fan blade is less than Top, makes that head cool exterior air passes through the second through-hole 54 and ventilation hole 10 ' is drawn onto in heat dissipation channel 40 ', and cold air is dissipating Flowing, plays the role of cooling machine head internal environment in the passage of heat 40 '；While head inspiration cold air, pressure inside head It can increase by force, the hot-air inside head can be discharged by communicating passage 70, exhaust passage 12, cavity 52 and third through-hole 53 Head, to reach the air circulation inside and outside head（Cold air is into hot-air goes out, arrow institute in air-flow direction such as Fig. 5 Show）, to effectively reduce head internal temperature, it is ensured that wiring board 8 works in reliable ambient temperature range.

It is of course also possible to the inclination angle by changing fan blade 6 so that when fan blade 6 rotates, 6 top pressure of fan blade is less than lower section, Extraneous cold air can be entered by third through-hole 53, cavity 52, exhaust passage 12 and communicating passage 70 inside head in this way；Machine Hot-air in head is discharged to by heat dissipation channel 40 ', ventilation hole 10 ' and the second through-hole 54 outside head（The stream of air at this time Dynamic direction is opposite with direction shown in arrow in Fig. 5）.

Although the embodiment disclosed by the utility model is as above, the content only the utility model for ease of understanding And the embodiment used, it is not limited to the utility model.Technical staff in any the utility model fields, Under the premise of not departing from the spirit and scope disclosed by the utility model, it can be carried out in the form and details of implementation any Modification and variation, but the scope of patent protection of the utility model, the appended claims that must still be subject to are defined.

Claims (10)

1. a kind of soy bean milk making machine, including head and cup body, the head includes upper cover, lower cover and motor, and the upper cover is covered on institute Accommodating chamber is stated on lower lid and is formed, the motor is located in the accommodating chamber, and the rear end of the motor has what is upwardly extended to prolong Stretch axis, which is characterized in that

The head further includes the ventilator cowling being located in the accommodating chamber, and the inside of the ventilator cowling forms heat dissipation channel；

The upper lid is equipped with the ventilation hole being in communication with the outside, and the upper end of the heat dissipation channel is connected to the ventilation hole, lower end It is sleeved on the outside of the outrigger shaft.

2. soy bean milk making machine according to claim 1, which is characterized in that

Fan blade is installed, and the fan blade is located in the heat dissipation channel on the outrigger shaft.

3. soy bean milk making machine according to claim 2, which is characterized in that

There is gap between the lower end of the heat dissipation channel and the motor；

Alternatively, the side wall of the ventilator cowling is equipped with the first through hole being connected with the heat dissipation channel, and the first through hole Below the fan blade.

4. soy bean milk making machine according to claim 1, which is characterized in that

The head further includes the transition piece being arranged in the accommodating chamber, and communicating passage is formed in the transition piece, described One end of communicating passage is connected to the lower end of the heat dissipation channel, and the other end is in communication with the outside.

5. according to the soy bean milk making machine described in any one of claim 1-4, which is characterized in that

The ventilation hole is directly in communication with the outside, and the disposed at air vent is covered with waterproof ventilated membrane；

Alternatively, the head further includes handle, there is cavity, the ventilation hole is connected to the cavity, described in the handle The cavity wall of cavity is equipped with the second through-hole.

6. according to the soy bean milk making machine described in any one of claim 1-4, which is characterized in that

The rear end of motor described in the ventilation hole face,

The ventilator cowling is in straight-tube shape or horn-like, alternatively, the top of the ventilator cowling is flare, lower part is vertical tube part.

7. according to the soy bean milk making machine described in any one of claim 1-4, which is characterized in that

The ventilation hole is located at the side of the upper cover,

The ventilator cowling includes longitudinally disposed first part and the second part that is laterally arranged, the first part and described The equal inner hollow in two parts, to form the heat dissipation channel；

The lower end of the first part is sleeved on the outside of the outrigger shaft, the first end of the second part with described first The upper end connection divided, second end extends to corresponding with the ventilation hole.

8. soy bean milk making machine according to claim 7, which is characterized in that

The upper end of the second part has opening in transverse direction, the upper surface of the second part interior with the upper cover Wall surface is bonded, and the second part and the internal face of the upper cover is made to surround a part for the heat dissipation channel.

9. according to the soy bean milk making machine described in any one of claim 1-4, which is characterized in that

Ventilation-sectional area of the ventilation-sectional area of the ventilation hole no more than the upper end of the heat dissipation channel.

10. according to the soy bean milk making machine described in any one of claim 1-4, which is characterized in that

The lower end of the ventilator cowling is fixedly connected with the motor；

Alternatively, the upper end of the ventilator cowling is fixedly connected with the upper cover.