CN220124537U - Food processor - Google Patents

Abstract

The utility model relates to the technical field of food processing devices and discloses a food processing machine, which comprises a machine shell and a crushing assembly arranged in the machine shell, wherein the crushing assembly comprises a crushing cup, a crushing cutter arranged in the crushing cup and a motor arranged at the bottom of the crushing cup, a mounting cavity for accommodating the motor is arranged in the machine shell, a silica gel sleeve is sleeved on the periphery of the motor, the silica gel sleeve comprises a body sleeved with the motor and an annular lip extending outwards from the body, the outer end of the annular lip is abutted to the cavity wall of the mounting cavity, the mounting cavity is divided into a first cavity and a second cavity, the motor comprises a stator and a rotor arranged in the stator, a gap for accommodating a coil is arranged between the stator and the rotor, and the first cavity is communicated with the second cavity through the gap. Through being equipped with the silica gel cover at the periphery cover of motor, do benefit to the guide air current and circulate from the space department that holds the coil, increase the heat exchange who flows into space and coil, improve the radiating effect.

Description

Food processor

Technical Field

The utility model relates to the technical field of food processing devices, in particular to a food processor.

Background

In the current market, most food processors adopt a motor to drive a blade to crush food materials, under long-time high-load work, the temperature rise of the motor is large, high-temperature alarm and even damage to the motor are easy, and most machines adopt motor blades to drive air flow to cool and dissipate heat of the motor. The motor comprises a stator, a rotor arranged in the stator and a coil, wherein the coil is a main heat generating source when the motor works. However, since the periphery of the motor of most food processors has no flow guiding structure, the heat exchange efficiency between the air flow and the heating source of the motor is low, and the heat dissipation effect is poor.

The motor cover is sleeved on the periphery of the motor, the fan blades are arranged in the motor cover or are just opposite to the air inlet of the motor cover, and in order to achieve installation and matching of the motor and the motor cover, a reserved space is needed between the outer side of a stator of the motor and the side wall of the motor cover, so that in the heat dissipation process, heat dissipation air flow mostly flows and is lost in the space between the stator and the motor cover, the motor cover plays a certain flow guiding role, heat dissipation effect can be achieved on the surface of the stator by utilizing the air flow, but loss is caused by the air flow flowing in the space between the stator and the motor cover, so that the air flow passing through the coil part of a main heat source of the motor is very few, the heat exchange efficiency of the air flow and the coil part of the motor is low, and the heat dissipation effect is poor. In addition, because a space is reserved between the stator and the motor cover, under the condition that the whole machine is carried or inclined or falls, the motor deflects, and the fan blade of the motor can collide with the plastic shell or the motor and the motor cover to be hard collided, so that the machine body is damaged.

Disclosure of Invention

The utility model aims to provide a food processor which is used for solving the problems of low heat exchange efficiency and poor heat dissipation effect of air flow and a motor heat generation source in the heat dissipation process of a motor of the conventional food processor.

In order to achieve the above object, the present utility model provides a food processor, including a casing, a pulverizing assembly installed in the casing, the pulverizing assembly including a pulverizing cup, a pulverizing knife disposed in the pulverizing cup, a motor disposed at the bottom of the pulverizing cup, an installation cavity for accommodating the motor being provided in the casing, a silica gel sleeve being provided around the motor, the silica gel sleeve including a body sleeved with the motor and an annular lip extending outward from the body, an outer end of the annular lip being abutted to a cavity wall of the installation cavity and dividing the installation cavity into a first cavity and a second cavity, the motor including a stator and a rotor disposed in the stator, a gap for accommodating the coil being provided between the stator and the rotor, the first cavity being communicated with the second cavity through the gap.

According to the food processing machine provided by the utility model, the silica gel sleeve is sleeved on the periphery of the motor, and comprises the body sleeved with the motor and the annular lip extending outwards from the body, and the outer end of the annular lip is abutted to the cavity wall of the mounting cavity. The silica gel sleeve is reliably sleeved and fixed with the motor through the body, the installation cavity is divided into a first cavity and a second cavity through the annular lip edge, the motor comprises a stator and a rotor arranged in the stator, a gap for accommodating a coil is formed between the stator and the rotor, and the first cavity is communicated with the second cavity through the gap. The silica gel sleeve separates first cavity and second cavity, play sealed stator and installation cavity wall clearance's effect to stop the air current and circulate through the clearance between motor and the installation cavity, reduced the air current loss, further guide air current circulate from holding the space of coil, increase the heat exchange that flows into space and coil, make when the air current passes through the motor, the air current can pass through first cavity in proper order, space and second cavity, a large amount of air currents can directly pass through the space, more directly take away the heat that the coil produced, consequently, increase the heat exchange of air current and motor heating source, improve the radiating effect from the root. In addition, the silica gel cover cup joints in the motor outside, can absorb motor vibration, reduces motor vibration noise, moreover, the silica gel cover and the chamber wall butt of installation cavity play flexonics and cushioning effect, even the complete machine falls, utilize the silica gel cover to cushion motor and installation cavity, avoid hard collision, the silica gel cover avoids the motor to beat in the installation cavity moreover, protection motor and casing, the anti of improvement organism falls the nature, extension complete machine life.

Preferably, the annular lip extends obliquely outwardly to form a flare.

The annular lip edge extends outwards obliquely to form a horn shape, and in the process of installing the motor in the installation cavity, the installation direction of the motor can be along the extension direction of the annular lip edge, so that the installation of the motor is further facilitated, and excessive extrusion and damage to the annular lip edge are avoided. Through the inclined extension, the interference fit relation between the annular lip edge and the mounting cavity after the motor is mounted in place can be further improved, the fit is more reliable, and the heat dissipation effect of the motor and the buffering and damping effect of the motor are effectively improved.

Preferably, a fan is arranged in the installation cavity, the cavity wall of the installation cavity is provided with an air inlet communicated with the first cavity and an air outlet communicated with the second cavity, the air inlet and the air outlet are respectively communicated with the outside, and the air inlet, the first cavity, the gap, the second cavity and the air outlet are sequentially communicated to form a circulating air channel.

Through setting up the fan in the installation cavity, improved the circulation of heat dissipation air current, utilize the circulation wind channel to realize the coil position of motor and external air current circulation to improve the heat exchange efficiency of motor, effectively improved the motor temperature rise effect.

Preferably, a supporting seat is arranged in the shell, the supporting seat is provided with a supporting platform for supporting the crushing cup and a sinking cavity which is concave from the top of the supporting platform, and the sinking cavity forms an installation cavity.

Set up the supporting seat in the casing, the supporting seat sinks to form the installation cavity, therefore, simple structure is reliable, and the supporting seat can enough support crushing cup, supports the motor simultaneously, compact structure improves the stability of motor, is favorable to the coaxial arrangement of motor and crushing cup, and the structure is reliable.

Preferably, the side wall of the housing encloses a mounting cavity, and the annular lip abuts the inner side wall of the housing.

The side wall of the shell encloses an installation cavity, the shell is directly utilized to define the installation cavity for installing the motor, the structure of the whole machine is simplified, and the assembly is convenient.

Preferably, the body is sleeved on the outer side surface of the stator; or, the motor also comprises a motor bracket fixedly connected with the stator, and the body is sleeved on the outer side of the motor bracket.

The body is directly sleeved on the outer side face of the stator, so that a gap between the stator and the mounting cavity can be sealed more directly, and the structure is simple.

Preferably, the motor further comprises a connecting wire, and a threading notch for the connecting wire to pass through is formed in the inner side of the body.

Avoid through setting up the connecting wire of threading breach and motor, avoid the pencil winding, protection pencil.

Preferably, the motor further comprises a carbon brush, the outer end of the carbon brush protrudes outwards relative to the stator, and the threading notch and the outer end of the carbon brush are staggered in the circumferential direction.

Through dodging the threading breach with the outer end of carbon brush, prevent that the silica gel cover from coming off from the motor. The silica gel sleeve is fixed stably, and the effective buffering and separation effects are achieved.

Preferably, the height formed by extending the body along the axial direction of the motor is H, and H is more than or equal to 7mm; the thickness of the body is W, and the W is more than or equal to 3.9mm.

Through setting the minimum height of body to 7mm for the body can have sufficient area of contact with the motor, guarantees that the installation of body is reliable, and the thickness of body satisfies minimum 3.9mm, can effectively play the cushioning effect, prevents that the motor from producing the damage with the installation intracavity wall collision of casing.

Preferably, the annular lip has a thickness less than the thickness of the body.

The thickness of the annular lip is smaller than that of the body, so that the annular lip has better flexibility on the basis of isolating the first cavity from the second cavity, and the motor is convenient to install.

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 a schematic cross-sectional view of a food processor according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram of the cooperation of a motor and a mounting cavity in an embodiment of the utility model.

Fig. 3 is an exploded view showing a partial structure of a food processor in accordance with an embodiment of the present utility model.

Fig. 4 is a schematic perspective view of a motor assembly according to an embodiment of the present utility model.

Fig. 5 is a schematic perspective view of a silica gel cover according to an embodiment of the present utility model.

Reference numerals illustrate:

10-a shell; 11-a mounting cavity; 12-a supporting seat; 13-a shell base; 14-a housing; 20-crushing assembly; 21-a pulverizing cup; 22-motor; 30-a silica gel sleeve; 31-body; 32-an annular lip; 33-threading a notch; 111-a first chamber; 112-a second chamber; 221-a stator; 222-rotor; 223-void; 224-carbon brush; 40-fans.

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.

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.

As shown in fig. 1 to 5, the present utility model provides a food processing machine including a casing 10, a pulverizing assembly 20 installed in the casing 10, the pulverizing assembly including a pulverizing cup 21, a pulverizing knife (not shown) provided in the pulverizing cup 21, a motor 22 provided at a bottom of the pulverizing cup 21, a mounting cavity 11 provided in an inside of the casing 10 to accommodate the motor 22, a silica gel cover 30 provided around an outer circumference of the motor 22, the silica gel cover 30 including a body 31 sleeved with the motor and an annular lip 32 extending outwardly from the body 31, an outer end of the annular lip 32 abutting a wall of the mounting cavity 11 and dividing the mounting cavity 11 into a first cavity 111 and a second cavity 112, the motor 22 including a stator 221 and a rotor 222 provided in the stator 221, a space 223 provided between the stator 221 and the rotor 222 to accommodate a coil, and the first cavity 111 and the second cavity 112 communicating through the space 223, as shown in fig. 2.

According to the food processing machine provided by the utility model, the silica gel sleeve 30 is sleeved on the periphery of the motor 22, the silica gel sleeve 30 comprises the body 31 sleeved with the motor 22 and the annular lip 32 extending outwards from the body 31, the outer end of the annular lip 32 is abutted to the cavity wall of the installation cavity 11, and the silica gel sleeve 30 can be abutted to the cavity wall of the installation cavity 11 after the motor 22 is installed in place due to the flexibility of the silica gel sleeve 30, and meanwhile, the silica gel sleeve 30 can flexibly deform in the process of installing the motor 22, so that the motor 22 can be smoothly and stably installed in the installation cavity 11. The silica gel sleeve 30 is reliably sleeved and fixed with the motor 22 through the body 31, the installation cavity 11 is divided into a first cavity 111 and a second cavity 112 through the annular lip 32, the motor 22 comprises a stator 221 and a rotor 222 arranged in the stator 221, a gap 223 for accommodating a coil is arranged between the stator 221 and the rotor 222, and the first cavity 111 is communicated with the second cavity 112 through the gap 223. The silica gel sleeve 30 separates the first chamber 111 from the second chamber 112, and plays a role of sealing a gap between the stator 221 and the wall of the installation cavity 11, thereby blocking air flow from flowing through the gap between the motor 22 and the installation cavity 11, reducing air flow loss, further guiding air flow to flow from the gap 223 containing the coil, increasing heat exchange flowing into the gap 223 and the coil, and enabling air flow to sequentially pass through the first chamber 111, the gap 223 and the second chamber 112 when the air flow passes through the motor 22, and a large amount of air flow to directly pass through the gap 223 and more directly take away heat generated by the coil, so that heat exchange between the air flow and a heat source generated by the motor 22 is increased, and the heat dissipation effect is fundamentally improved. In addition, the silica gel cover 30 cup joints in the motor 22 outside, can absorb motor 22 vibration, reduce motor 22 vibration noise, moreover, silica gel cover 30 and the chamber wall butt of installation cavity 11 play flexonics and cushioning effect, even the complete machine falls, utilize silica gel cover 30 to cushion motor 22 and installation cavity 11, avoid hard collision, moreover silica gel cover 30 avoids motor 22 beat in installation cavity 11, protection motor 22 and casing, the anti of improvement organism falls the nature, extension complete machine life.

In a preferred embodiment, as shown in FIG. 2, the annular lip 32 extends obliquely outwardly to form a trumpet. The annular lip 32 extends obliquely outwards to form a horn shape, so that the motor 22 can be installed along the extending direction of the annular lip 32 in the process of installing the motor 22 in the installation cavity 11, the installation of the motor 22 is further facilitated, and excessive extrusion and damage to the annular lip 32 are avoided. By extending obliquely, the interference fit relation between the annular lip 32 and the mounting cavity 11 after the motor 22 is mounted in place can be further improved, the fit is more reliable, and the heat dissipation effect of the motor 22 and the buffering and damping effects of the motor 22 are effectively improved.

For example, in the embodiment shown in FIG. 2, the annular lip 32 is tapered outwardly from bottom to top, which is provided to facilitate mounting the motor in the mounting cavity 11 from top to bottom.

In a preferred embodiment, as shown in fig. 1-4, a fan 40 is disposed in the installation cavity 11, the cavity wall of the installation cavity 11 is provided with an air inlet communicated with the first cavity 111 and an air outlet communicated with the second cavity 112, the air inlet and the air outlet are respectively communicated with the outside, and the air inlet, the first cavity 111, the gap 223, the second cavity 112 and the air outlet are sequentially communicated to form a circulating air channel.

By arranging the fan 40 in the installation cavity 11, the circulation of heat dissipation airflow is improved, airflow circulation is more orderly, and circulation of the coil part of the motor 22 and the outside airflow is realized by using the circulating air duct, so that the heat exchange efficiency of the motor 22 is improved, and the temperature rise effect of the motor 22 is effectively improved.

Of course, it should be noted that the fan may not be provided in the present utility model, and in fact, the air may be driven to flow during the rotation of the rotor. Of course, the fan may be disposed outside the installation chamber 11.

In addition, regarding the air inlet of the first chamber 111 and the air outlet of the second chamber 112, in a preferred embodiment, the top of the first chamber 111 is not closed to form the air inlet, the bottom wall of the second chamber 112 is not closed to form the air outlet, and in fact, it may be understood that the mounting chamber 11 is a closed motor cover for wrapping the motor, and a through hole may be formed in a side wall or a top wall of the motor cover to form the air inlet or the air outlet.

Of course, the installation cavity may be the motor cover, and in fact, in a preferred embodiment, as shown in fig. 3, the casing 10 includes a housing 14 and a support base 12 disposed in a casing base 13, where the support base 12 has a support platform for supporting the pulverizing cup and a sinking cavity recessed from the top of the support platform, and the sinking cavity forms the installation cavity 11.

The supporting seat 12 is arranged in the shell 10, and the supporting seat 12 is sunk to form the installation cavity 11, so that the structure is simple and reliable, the supporting seat 12 can support the crushing cup, meanwhile, the motor 22 is supported, the structure is compact, the stability of the motor 22 is improved, the coaxial installation of the motor 22 and the crushing cup is facilitated, and the structure is reliable.

Of course, it is also possible that the side wall of the housing 10 encloses the mounting cavity 11 and the annular lip 32 abuts against the inner side wall of the housing 10. The side wall of the casing 10 encloses a mounting cavity 11, the casing 10 is directly utilized to define the mounting cavity 11 for mounting the motor 22, the whole structure is simplified, and the assembly is convenient.

The present utility model is not limited to the installation position of the silicone jacket, for example, in a preferred embodiment, as shown in fig. 4, the body 31 is sleeved on the outer side surface of the stator 221. In another preferred embodiment, the motor 22 further includes a motor bracket for fixing the stator 221, and the body 31 is sleeved on the outer side of the motor 22 bracket, preferably, the motor bracket may extend to the side of the stator, and the body 31 is sleeved on the side of the motor bracket.

By directly sleeving the body 31 on the outer side surface of the stator 221, the gap between the stator 221 and the installation cavity 11 can be sealed more directly, and the structure is simple.

In a preferred embodiment, as shown in fig. 5, the motor 22 further comprises a connecting wire, and the inner side of the body 31 is provided with a threading notch 33 through which the connecting wire passes. Referring to fig. 4 and 5, the motor 22 preferably further includes a carbon brush 224, wherein an outer end of the carbon brush 224 protrudes outwardly with respect to the stator 221, and the threading notch 33 is circumferentially offset from the outer end of the carbon brush 224.

Avoid wire harness winding, protection pencil through setting up the connecting wire of threading breach and motor 22.

The threading notch is avoided from the outer end of the carbon brush 224, so that the silica gel sleeve 30 is prevented from falling off the motor 22. The fixation of the silica gel sleeve 30 is stable, and the effective buffering and separation effects are achieved.

In a preferred embodiment, as shown in FIG. 2, the annular lip 32 preferably has a thickness less than the thickness of the body 31. Preferably, the body 31 extends axially along the motor 22 to form a height H, which is greater than or equal to 7mm; the thickness of the body 31 is W, and the W is more than or equal to 3.9mm.

Preferably, the maximum height of the annular lip is less than the stator height, preferably 7 mm.ltoreq.H.ltoreq.10 mm. The maximum thickness of the body 31 is less than the distance between the stator and the wall of the mounting cavity. Preferably, W is 3.9 mm.ltoreq.W.ltoreq.6 mm.

Through setting the minimum height of body 31 to 7mm for body 31 can have sufficient area of contact with motor 22, guarantees that the installation of body 31 is reliable, and the thickness of body 31 satisfies minimum 3.9mm, can effectively play the cushioning effect, prevents that motor 22 from producing the damage with the installation cavity 11 inner wall collision of casing 10.

The annular lip 32 has a thickness less than the thickness of the body 31, and is flexible to facilitate installation of the motor 22, while isolating the first and second chambers 111, 112.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "circumferential", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The description as it relates to "first", "second", etc. in the present utility model is for descriptive purposes only and is 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 at least one such feature.

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 other one or more embodiments is within the scope of the present utility model. While the utility model has been described in detail in the general context and with reference to specific embodiments thereof, it will be apparent to one 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 utility model provides a food processing machine, includes the casing, installs smash the subassembly in the casing, smash the subassembly including smashing the cup, setting is in smash smashing the sword in the cup, setting is in smash the motor of cup bottom, its characterized in that, the inside of casing is equipped with the installation cavity that holds the motor, the periphery cover of motor is equipped with the silica gel cover, the silica gel cover include with the body that the motor cup jointed and from the outside annular lip that extends of body, the outer end butt of annular lip to the chamber wall in installation cavity, and will the installation cavity is divided into first cavity and second cavity, the motor includes the stator and sets up rotor in the stator, the stator with be equipped with the space that holds the coil between the rotor, first cavity with the second cavity passes through the space intercommunication.

2. A food processor as defined in claim 1 wherein said annular lip extends obliquely outwardly to form a trumpet.

3. The food processor of claim 1, wherein a fan is disposed in the installation cavity, an air inlet communicated with the first cavity and an air outlet communicated with the second cavity are disposed on a wall of the installation cavity, the air inlet and the air outlet are respectively communicated with the outside, and the air inlet, the first cavity, the gap, the second cavity and the air outlet are sequentially communicated to form a circulating air channel.

4. The food processor of claim 1 wherein a support is provided in the housing, the support having a support platform for supporting the pulverizing cup and a sinking chamber recessed from a top of the support platform, the sinking chamber forming the mounting chamber.

5. A food processor according to claim 1, wherein the side wall of the housing encloses the mounting cavity, the annular lip abutting against the inner side wall of the housing.

6. The food processor of claim 1, wherein the body is sleeved on the outer side of the stator;

or, the motor further comprises a motor support fixedly connected with the stator, and the body is sleeved on the outer side of the motor support.

7. The food processor of claim 1, wherein the motor further comprises a connecting wire, and wherein the inner side of the body is provided with a threading gap through which the connecting wire passes.

8. The food processor of claim 7, wherein the motor further comprises carbon brushes, the outer ends of the carbon brushes protruding outwardly relative to the stator, and the threading gap is circumferentially offset from the outer ends of the carbon brushes.

9. The food processor of claim 1, wherein the body extends axially along the motor to a height H, satisfying H ≡7mm; the thickness of the body is W, and the W is more than or equal to 3.9mm.

10. The food processor of claim 1 wherein the annular lip has a thickness less than the thickness of the body.