CN215304886U - Juice extractor - Google Patents

Abstract

The present invention provides a juice extractor, comprising: the machine body is internally provided with an electric appliance cavity with an upward opening; the cup body is arranged at the lower side of the machine body, and a cup-shaped accommodating space is formed inside the cup body; the upper cover is covered on the upper side of the machine body and used for sealing the electric appliance cavity, and an annular first sealing groove is formed in one side close to the machine body; the first sealing gasket is embedded in the first sealing groove and is arranged between the machine body and the upper cover in a sealing manner; wherein, first gasket still is including being annular first arch and second arch, and first arch and second arch set up respectively in the one side that first gasket is close to the fuselage and the one side that is close to the upper cover. The utility model can realize effective sealing of the electric appliance cavity, prevent the water from entering the components such as the motor, the battery, the PCBA and the like, and improve the use safety of users. In addition, the juicer disclosed by the utility model has a good sealing effect, so that a user can conveniently carry out water spraying or water soaking cleaning on the juicer, and the use experience is improved.

Description

Juice extractor

Technical Field

The utility model relates to the field of manufacturing and processing of electric appliances, in particular to a juicer.

Background

The juicer is a machine capable of quickly squeezing fruits and vegetables to obtain fruit and vegetable juice, and is capable of continuously chopping the fruits and vegetables by utilizing a blade rotating at a high speed, so that solid fruit residues are separated from liquid pulp, and a clear fruit and vegetable juice beverage can be obtained by further precipitating and filtering.

The fruits and vegetables are main foods for human bodies to take vitamins, the health status of people who frequently eat the fruits and vegetables is higher than that of people who do not like eating the fruits and vegetables, and the fruits and vegetables also have irreplaceable effects particularly in the aspect of preventing diseases. At present, there are two main types of consumer groups of juice extractors: one is a family with children or the old, the children are easy to eat and the old has bad teeth, and the demand of nutrition intake can be met by squeezing fruit and vegetable juice; another category is young people who seek health and food mouthfeel, and juicers meet their demand for richer food mouthfeel.

Along with the popularization of the juicer, the juicer has a similar principle with the juicer, but small household appliances with slightly different application scenes, such as a wall breaking machine, a soybean milk machine, a food processor, a grinder, a meat grinder and other products, continuously come into being, and the use requirements of users on different subdivision scenes are met.

However, household appliances such as a juicer that use crushing and stirring have a problem that they are difficult to clean: after food is processed, fruit and vegetable residues are often left in the cup body or at the blade, which is extremely difficult to clean and affects secondary use experience of users. In addition, the electric appliance cavity of the existing juice extractor is easy to be filled with water, which affects the use safety and service life of electric appliances such as a motor, a battery, a PCBA (printed circuit board assembly) and the like, and the juice extractor is easy to be damaged. Especially, in the process of washing the juicer by water spraying or water soaking, the accidental risks of the whole juicer such as non-working, incapability of charging, battery explosion, PCBA short circuit and burn are easy to occur after water enters the electric appliance cavity, and the use experience and the use safety of a user are influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a juice extractor, which can effectively seal an electrical cavity, prevent water from entering components such as a motor, a battery, a PCBA, etc., and improve the use safety of a user. In addition, the juicer disclosed by the utility model has a good sealing effect, so that a user can conveniently carry out water spraying or water soaking cleaning on the juicer, and the use experience is improved.

In one aspect of the present invention, there is provided a juice extractor, comprising:

the machine body is internally provided with an electric appliance cavity with an upward opening;

the cup body is arranged at the lower side of the machine body, and a cup-shaped accommodating space is formed inside the cup body;

the upper cover is covered on the upper side of the machine body and used for sealing the electric appliance cavity, and an annular first sealing groove is formed in one side close to the machine body; and

the first sealing gasket is embedded in the first sealing groove and is arranged between the machine body and the upper cover in a sealing manner;

the first sealing gasket further comprises a first protrusion and a second protrusion, wherein the first protrusion and the second protrusion are annular, and the first protrusion and the second protrusion are arranged on one side, close to the machine body, of the first sealing gasket and one side, close to the upper cover, of the first sealing gasket respectively.

Preferably, the upper cover is provided with a first through hole, and the juice extractor further comprises:

the battery is arranged inside the electric appliance cavity;

the charging pile is electrically connected with the battery and extends out of the upper cover from the first through hole; and

the second is sealed to be sealed set up in first through-hole with fill between the electric pile to be equipped with the second through-hole along the high mode, be used for wearing to establish fill electric pile.

Preferably, the upper cover surrounds first through-hole still is equipped with the second seal groove, the second sealed pad in perpendicular to direction of height's cross sectional shape with the second seal groove phase-match, the second sealing pad still including set up in the third arch and the fourth arch in the second through-hole outside, the third arch with the fourth arch sets up respectively along the direction of height the both sides of second sealed pad.

Preferably, the upper cover is further provided with a third through hole, and the juice extractor further comprises:

the printed circuit board is arranged in the electric appliance cavity and is electrically connected with the battery, and the upper surface of the printed circuit board is provided with a switch which can be pressed;

the upper end of the key penetrates through the third through hole to be exposed out of the upper cover, and the lower end of the key is contacted with a switch of the printed circuit board;

the top cover is arranged above the upper cover and is provided with a fourth through hole for exposing the key and a fifth through hole for exposing the charging pile; and

and the third sealing gasket is annular and is arranged between the top cover and the upper cover in a sealing way.

Preferably, the third gasket further includes a fifth protrusion and a sixth protrusion, and the fifth protrusion and the sixth protrusion are respectively disposed at both sides of the third gasket in a height direction.

Preferably, the juice extractor further comprises:

the motor is arranged in the electric appliance cavity, and the rotating shaft extends downwards from the lower surface of the machine body; and

and the blade is arranged on the lower side of the machine body, is fixedly connected with the rotating shaft and is configured to rotate under the driving of the motor.

Preferably, the periphery of fuselage is equipped with the annular mounting groove, the cup is pegged graft in the annular mounting groove to through screw thread interconnect, the juice extractor still includes:

the fourth is sealed to be filled up, sets up the bottom of annular mounting groove, sealing connection in the cup with between the fuselage, the fourth is sealed to be filled up including seventh arch and eighth arch, the seventh arch with the eighth arch sets up respectively the fourth is sealed to be filled up and is close to one side of fuselage with be close to one side of cup.

Preferably, the first protrusion, the second protrusion, the third protrusion, the fourth protrusion, the fifth protrusion, the sixth protrusion, the seventh protrusion, and the eighth protrusion have a triangular cross-sectional shape, and one side of the triangular cross-sectional shape is attached to the corresponding surface of the first gasket, the second gasket, the third gasket, and the fourth gasket, so that an opposite corner of the triangular cross-section is disposed outward.

Preferably, the first protrusion and the second protrusion are integrally formed with the first gasket, the third protrusion and the fourth protrusion are integrally formed with the second gasket, the fifth protrusion and the sixth protrusion are integrally formed with the third gasket, the seventh protrusion and the eighth protrusion are integrally formed with the fourth gasket, and the first gasket, the second gasket, the third gasket and the fourth gasket are made of an elastic material.

Preferably, on the first sealing gasket, the first protrusions and the second protrusions are oppositely arranged in groups, and the distance between the bottom surface of the first sealing groove and the top surface of the body in a pair of the first protrusions and the second protrusions is smaller than the distance between the corresponding group of the first protrusions and the second protrusions along the height direction of the first sealing gasket;

on the second sealing gasket, the third protrusions and the fourth protrusions are oppositely arranged in groups, and the distance between the bottom surface of the second sealing groove and the bottom surface of the top cover in a paired group of the third protrusions and the fourth protrusions is smaller than the distance between the corresponding group of the third protrusions and the fourth protrusions along the height direction of the second sealing gasket;

on the third sealing gasket, the fifth protrusions and the sixth protrusions are oppositely arranged in groups, and the distance between the bottom surface of the top cover and the top surface of the upper cover in a paired group of the fifth protrusions and the sixth protrusions is smaller than the distance between the corresponding group of the fifth protrusions and the sixth protrusions along the height direction of the third sealing gasket;

and the bottom surface of the annular mounting groove and the top surface of the cup body are in a paired group, and the distance between the seventh bulge and the eighth bulge is smaller than that between the seventh bulge and the eighth bulge in the corresponding group along the height direction of the fourth sealing gasket.

Therefore, the sealing gasket is provided with the bulge, so that the electric appliance cavity can be effectively sealed, water can be prevented from entering the motor, the battery, the PCBA and other components, the use safety of a user is improved, and the juicer disclosed by the utility model has a good sealing effect, so that the user can conveniently carry out water spraying or water soaking cleaning on the juicer, and the use experience is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the claimed subject matter and are incorporated in and constitute a part of this specification, illustrate embodiments of the subject matter and together with the description serve to explain the principles of the subject matter and not to limit the subject matter.

FIG. 1 is a schematic sectional view of a juicer according to the present invention;

FIG. 2 is an exploded view of the juicer of the present invention;

FIG. 3 is a partially enlarged cross-sectional view of the body, the top cover and the upper cover of the juicer of the present invention;

FIG. 4 is a schematic view illustrating a second gasket of the juice extractor of the present invention;

fig. 5 is a schematic structural view of a switch of the juice extractor of the present invention.

Description of reference numerals:

1-a fuselage; 11-an appliance cavity; 12-an annular mounting groove; 2-the cup body; 21-an accommodation space; 3-covering the cover; 31-a first seal groove; 32-a first via; 33-a second seal groove; 4-a first gasket; 41-a first projection; 42-a second projection; 5-a battery; 6-charging pile; 7-a second gasket; 71-a second via; 72-a third bump; 73-a fourth bump; 8-a printed circuit board; 81-a switch; 9-key press; 100-a top cover; 101-a fourth via; 102-a fifth via; 110-a third gasket; 111-fifth projection; 112-sixth projection; 120-a motor; 130-a blade; 140-a fourth gasket; 141-seventh projections; 142-eighth bump.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the utility model, its application, or uses. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not as limitative, unless specifically stated otherwise.

According to the illustrations of FIGS. 1-5: in one aspect of the present invention, there is provided a juice extractor including a body 1, a cup body 2, an upper cover 3, and a first packing 4. Wherein, an electrical appliance cavity 11 with an upward opening is arranged in the machine body 1; the cup body 2 is arranged at the lower side of the machine body 1, and a cup-shaped accommodating space 21 is formed inside the cup body; the upper cover 3 is covered on the upper side of the machine body 1 and used for sealing the electric appliance cavity 11, and an annular first sealing groove 31 is arranged on one side close to the machine body 1; and the first sealing gasket 4 is embedded in the first sealing groove 31 and is arranged between the machine body 1 and the upper cover 3 in a sealing manner.

In order to improve the sealing effect on the electric appliance cavity 11, the first sealing gasket 4 further comprises a first protrusion 41 and a second protrusion 42 which are annular, and the first protrusion 41 and the second protrusion 42 are respectively arranged on one side of the first sealing gasket 4 close to the machine body 1 and one side of the first sealing gasket 4 close to the upper cover 3. The first protrusion 41 and the second protrusion 42 have a smaller contact area with the body 1 and the upper cover 3 than the first gasket 4, so that the first gasket 4 is brought into contact with the body 1 and the upper cover 3 at a higher pressure (pressure/area) by the first protrusion 41 and the second protrusion 42 under a constant pressing force between the body 1 and the upper cover 3, thereby obtaining a better sealing effect. And the first projection 41 and the second projection 42 are annular, sealing between the body 1 and the upper cover 3 can be performed within a range of 360 ° in the circumferential direction of the first gasket 4.

In view of the charging requirements of the juice extractor, it is preferred that the upper lid 3 is provided with a first through hole 32, the juice extractor further comprises a battery 5, a charging post 6 and a second sealing gasket 7. Wherein the battery 5 is arranged inside the electric appliance cavity 11; the charging pile 6 is electrically connected with the battery 5 and extends out of the upper cover 3 from the first through hole 32; the second sealing gasket 7 is hermetically arranged between the first through hole 32 and the charging pile 6, and is provided with a second through hole 71 along the height mode for penetrating the charging pile 6.

Because the charging pile 6 needs to be externally connected with a charging interface in the charging process, the charging pile 6 is partially exposed out of the upper cover 3 by arranging the first through hole 32 on the upper cover 3. Aiming at the sealing requirement of the charging pile 6, the utility model further realizes the sealing between the first through hole 32 and the charging pile 6 and the sealing between the upper cover 3 and the top cover 100 by arranging the second sealing gasket 7.

For first through-hole 32 and fill the sealed demand between the electric pile 6, the sealed pad 7 of second is equipped with second through-hole 71 for wear to establish and fill electric pile 6. Second through-hole 71 and fill and can adopt interference fit to make the wall of second through-hole 71 with fill electric pile 6 in close contact with between the electric pile 6, improve sealed effect. And to interference fit's second through-hole 71 with fill electric pile 6, can use elastic material to make the sealed 7 that fills of second, exert external force in the assembling process and make second through-hole 71 rise suitably to be convenient for fill electric pile 6 and stretch into the inside to second through-hole 71.

And for the sealing requirement between the upper cover 3 and the ejector rod at the position of the charging pile 6, preferably, the upper cover 3 is further provided with a second sealing groove 33 around the first through hole 32, the cross-sectional shape of the second sealing gasket 7 in the direction perpendicular to the height direction is matched with the second sealing groove 33, the second sealing gasket 7 further comprises a third protrusion 72 and a fourth protrusion 73 which are arranged outside the second through hole 71, and the third protrusion 72 and the fourth protrusion 73 are respectively arranged on two sides of the second sealing gasket 7 in the height direction.

By providing the third protrusion 72 and the fourth protrusion 73, the contact pressure between the second gasket 7 and the bottom of the second sealing groove 33 and the top cover 100 is significantly increased, thereby improving the sealing effect between the upper cover 3 and the lift pin at the charging pile 6. And the shapes of the second gasket 7 and the second seal groove 33 are matched with each other, so that the sealing effect of the second gasket 7 and the second seal groove 33 at the side wall can be improved.

In view of the control requirements of the user on the juice extractor, it is preferred that the upper lid 3 is further provided with a third through hole, and the juice extractor further comprises a printed circuit board 8, a key 9, a top lid 100 and a third sealing gasket 110. The printed circuit board 8 is arranged in the electric appliance cavity 11 and is electrically connected with the battery 5, and the upper surface of the printed circuit board is provided with a switch 81 which can be pressed; the upper end of the key 9 passes through the third through hole and is exposed out of the upper cover 3, and the lower end of the key is contacted with a switch 81 of the printed circuit board 8; the top cover 100 is arranged above the upper cover 3 and is provided with a fourth through hole 101 for exposing the key 9 and a fifth through hole 102 for exposing the charging pile 6; and a third packing 110 is annularly and sealingly disposed between the top cover 100 and the upper cover 3.

The third through hole formed in the upper cover 3 can expose the button to the upper cover 3, and the fourth through hole 101 formed in the top cover 100 can further expose the button to the top cover 100, so that the user can conveniently press the button. Similarly, the charging pile 6 passes through the upper cover 3 from the first through hole 32, and further passes through the top cover 100 from the fifth through hole 102. Therefore, the button and the charging pile 6 penetrate through the upper cover 3 and the top cover 100, and the third sealing gasket 110 is arranged to realize the sealing connection between the upper cover 3 and the top cover 100 according to the sealing requirements of the upper cover 3 and the top cover 100 at the button and the charging pile 6.

Preferably, the third gasket 110 further includes fifth and sixth protrusions 111 and 112, and the fifth and sixth protrusions 111 and 112 are respectively disposed at both sides of the third gasket 110 in a height direction. By the fifth and sixth protrusions 111 and 112, the contact pressure between the third gasket 110 and the top cover 100 and the upper cover 3 is increased, and the sealing effect is improved.

And similar to the sealing effect of the second gasket 7 on the upper cover 3 and the top cover 100 at the charging pile 6, as shown in fig. 5, the button is provided with an outer edge protruding outwards, and the upper and lower surfaces of the outer edge are also provided with a convex structure, so that when the button is arranged in the third through hole and the fourth through hole 101, the convex structure of the outer edge of the button will have a contact sealing effect with the upper cover 3 and the top cover 100.

Therefore, for the sealing requirement of the electrical appliance cavity 11 inside the upper cover 3, the third sealing gasket 110 is arranged on the periphery of the top cover 100 to realize the circumferential sealing between the upper cover 3 and the top cover 100, the second sealing gasket 7 is used for realizing the sealing requirement of the exposed charging pile 6, and the protruding structure on the outer edge of the button is used for realizing the sealing requirement of the exposed button. Therefore, the electric appliance cavity 11 in the upper cover 3 can be well sealed, and the electric appliances such as the battery 5, the button, the charging pile 6 and the PCBA arranged in the electric appliance cavity 11 are prevented from losing effectiveness due to water inflow.

On the other hand, for the juice extracting function of the juice extractor, it is preferable that the juice extractor further includes a motor 120 and a blade 130. Wherein the motor 120 is arranged in the electric appliance cavity 11, and the rotating shaft extends downwards from the lower surface of the machine body 1; the blade 130 is disposed at the lower side of the body 1, is fixedly connected to the rotating shaft, and is configured to rotate by the motor 120.

The motor 120 is disposed in the appliance compartment 11 such that only the rotation shaft protrudes from the lower surface of the body 1 to drive the blade 130, so that the motor 120 is not affected by the intrusion of the extracted liquid, and further, the sealing structure between the top cover 100 and the upper cover 3 makes the appliance compartment 11 a relatively sealed space. Therefore, in the working or cleaning process of the juicer, the motor 120 does not enter water, thereby facilitating the operation and cleaning of a user.

In order to prevent the juice produced by the juicer from spilling when being contained in the cup body 2, preferably, the periphery of the body 1 is provided with an annular mounting groove 12, the cup body 2 is inserted into the annular mounting groove 12 and is connected with each other through threads, the juicer further comprises a fourth sealing gasket 140, the fourth sealing gasket 140 is arranged at the bottom of the annular mounting groove 12 and is connected between the cup body 2 and the body 1 in a sealing manner, the fourth sealing gasket 140 comprises a seventh protrusion 141 and an eighth protrusion 142, and the seventh protrusion 141 and the eighth protrusion 142 are respectively arranged on one side of the fourth sealing gasket 140 close to the body 1 and one side of the fourth sealing gasket 140 close to the cup body 2. By the seventh and eighth protrusions 141 and 142, the contact pressure between the fourth gasket 140 and the cup body 2 and the body 1 is increased, and the sealing effect is improved.

In order to further enhance the sealing effect, it is preferable that the sectional patterns of the first protrusion 41, the second protrusion 42, the third protrusion 72, the fourth protrusion 73, the fifth protrusion 111, the sixth protrusion 112, the seventh protrusion 141, and the eighth protrusion 142 are triangular, and one side of the triangular sectional pattern is attached to the surfaces of the corresponding first gasket 4, the second gasket 7, the third gasket 110, and the fourth gasket 140 such that an opposite one corner of the triangular sectional pattern is disposed outwardly.

The cross section of each protruding structure is triangular, so that the sealing effect can be enhanced by utilizing the sharp corner of the triangle, and the contact pressure between each protruding structure and the contact surface is further increased. And the raised structure may be provided as a plurality of circles arranged in a ring shape, so that a multi-layer sealing effect can be formed by using the raised structure of multiple layers, and the sealing effect of the first gasket 4, the second gasket 7, the third gasket 110 and the fourth gasket 140 can be further improved.

In order to improve the integrity between the first gasket 4, the second gasket 7, the third gasket 110, and the fourth gasket 140 and the protrusion structure and reduce the manufacturing difficulty, it is preferable that the first protrusion 41 and the second protrusion 42 are integrally formed with the first gasket 4, the third protrusion 72 and the fourth protrusion 73 are integrally formed with the second gasket 7, the fifth protrusion 111 and the sixth protrusion 112 are integrally formed with the third gasket 110, the seventh protrusion 141 and the eighth protrusion 142 are integrally formed with the fourth gasket 140, and the first gasket 4, the second gasket 7, the third gasket 110, and the fourth gasket 140 are made of an elastic material. The elastic material may include rubber, silica gel, foamed plastic, etc., and preferably includes silica gel which is non-toxic and harmless to the human body and rubber which is stable at high temperature.

By utilizing the deformability of the first gasket 4, the second gasket 7, the third gasket 110, and the fourth gasket 140 made of an elastic material, it is preferable that the first protrusions 41 and the second protrusions 42 are arranged in a group opposing each other on the first gasket 4, and the distance between the bottom surface of the first seal groove 31 and the top surface of the body 1 in the paired group of the first protrusions 41 and the second protrusions 42 is smaller than the distance between the corresponding group of the first protrusions 41 and the second protrusions 42 in the height direction of the first gasket 4;

on the second gasket 7, the third protrusions 72 and the fourth protrusions 73 are arranged in a group in an opposing manner, and the distance between the bottom surface of the second seal groove 33 and the bottom surface of the top cover 100 in the paired group of the third protrusions 72 and the fourth protrusions 73 is smaller than the distance between the corresponding group of the third protrusions 72 and the fourth protrusions 73 in the height direction of the second gasket 7;

on the third gasket 110, the fifth protrusions 111 and the sixth protrusions 112 are oppositely arranged in groups, and the distance between the bottom surface of the top cover 100 and the top surface of the upper cover 3 in a pair of the fifth protrusions 111 and the sixth protrusions 112 is smaller than the distance between the corresponding group of the fifth protrusions 111 and the sixth protrusions 112 in the height direction of the third gasket 110;

on the fourth packing 140, seventh protrusions 141 and eighth protrusions 142 are oppositely disposed in a set, and a distance between the bottom surface of the annular installation groove 12 and the top surface of the cup body 2 in the pair of the seventh protrusions 141 and the eighth protrusions 142 is smaller than a distance between the corresponding set of the seventh protrusions 141 and the eighth protrusions 142 in the height direction of the fourth packing 140.

The size between the sealing surfaces is smaller than the distance between the protruding structures, so that the protruding structures can generate deformation compression after being assembled, the contact tightness is improved by utilizing the outward elasticity generated by the elastic materials when the elastic materials are pressed, and the sealing effect is improved.

Therefore, the sealing gasket is provided with the bulge, so that the electric appliance cavity 11 can be effectively sealed, water can be prevented from entering the motor 120, the battery 5, the PCBA and other components, the use safety of a user is improved, and the juicer disclosed by the utility model has a good sealing effect, so that the user can conveniently carry out water spraying or water soaking cleaning on the juicer, and the use experience is improved.

So far, some specific embodiments of the present invention have been described in detail by way of examples, but it should be understood by those skilled in the art that the above examples are only for illustrative purposes and are not intended to limit the scope of the present invention. It will be understood by those skilled in the art that various changes may be made in the above embodiments or equivalents may be substituted for elements thereof without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims (10)

1. A juicer, comprising:

the machine body (1) is internally provided with an electric appliance cavity (11) with an upward opening;

the cup body (2) is arranged at the lower side of the machine body (1) and internally provided with a cup-shaped accommodating space (21);

the upper cover (3) is covered on the upper side of the machine body (1) and used for sealing the electric appliance cavity (11), and an annular first sealing groove (31) is formed in one side close to the machine body (1); and

the first sealing gasket (4) is embedded in the first sealing groove (31) and is arranged between the machine body (1) and the upper cover (3) in a sealing mode;

wherein, first sealed pad (4) are still including being annular first arch (41) and second arch (42), first arch (41) with second arch (42) set up respectively first sealed pad (4) are close to one side of fuselage (1) and are close to one side of upper cover (3).

2. The juice extractor according to claim 1, wherein the upper lid (3) is provided with a first through hole (32), the juice extractor further comprising:

a battery (5) disposed inside the appliance cavity (11);

a charging pile (6) electrically connected to the battery (5) and extending out of the upper cover (3) from the first through hole (32); and

the second is sealed fills up (7), sealed set up in first through-hole (32) with fill between electric pile (6) to be equipped with second through-hole (71) along the high mode, be used for wearing to establish fill electric pile (6).

3. The juicer according to claim 2, wherein the upper lid (3) is further provided with a second sealing groove (33) around the first through hole (32), the cross-sectional shape of the second sealing gasket (7) perpendicular to the height direction is matched with the second sealing groove (33), the second sealing gasket (7) further comprises a third protrusion (72) and a fourth protrusion (73) which are arranged outside the second through hole (71), and the third protrusion (72) and the fourth protrusion (73) are respectively arranged on two sides of the second sealing gasket (7) along the height direction.

4. A juicer according to claim 3, wherein the upper lid (3) is further provided with a third through hole, the juicer further comprising:

the printed circuit board (8) is arranged in the electric appliance cavity (11) and is electrically connected with the battery (5), and the upper surface of the printed circuit board is provided with a switch (81) which can be pressed;

the upper end of the key (9) penetrates through the third through hole to be exposed out of the upper cover (3), and the lower end of the key is contacted with a switch (81) of the printed circuit board (8);

a top cover (100) which is arranged above the upper cover (3) and is provided with a fourth through hole (101) for exposing the key (9) and a fifth through hole (102) for exposing the charging pile (6); and

and a third seal gasket (110) which is annular and is arranged between the top cover (100) and the upper cover (3) in a sealing manner.

5. The juice extractor according to claim 4, wherein the third gasket (110) further comprises a fifth protrusion (111) and a sixth protrusion (112), the fifth protrusion (111) and the sixth protrusion (112) being respectively provided on both sides of the third gasket (110) in a height direction.

6. The juicer of claim 5, further comprising:

the motor (120) is arranged in the electric appliance cavity (11), and a rotating shaft extends downwards from the lower surface of the machine body (1); and

the blade (130) is arranged on the lower side of the machine body (1), is fixedly connected with the rotating shaft and is configured to rotate under the driving of the motor (120).

7. The juice extractor according to claim 6, wherein the body (1) is provided with an annular mounting groove (12) at the periphery, the cup bodies (2) are inserted in the annular mounting groove (12) and connected with each other through threads, and the juice extractor further comprises:

the fourth is sealed to be filled up (140), sets up the bottom of annular mounting groove (12), sealing connection in cup (2) with between fuselage (1), fourth is sealed to be filled up (140) and is included seventh arch (141) and eighth arch (142), seventh arch (141) with eighth arch (142) set up respectively fourth is sealed to be filled up (140) and is close to one side of fuselage (1) and be close to one side of cup (2).

8. The juicer of claim 7, wherein the first protrusion (41), the second protrusion (42), the third protrusion (72), the fourth protrusion (73), the fifth protrusion (111), the sixth protrusion (112), the seventh protrusion (141) and the eighth protrusion (142) have a triangular cross-sectional shape, and one side of the triangular cross-sectional shape is attached to the surface of the corresponding first gasket (4), the second gasket (7), the third gasket (110) and the fourth gasket (140), so that the opposite corner of the triangular cross-section is disposed outward.

9. Juice extractor according to claim 8, wherein said first protrusion (41) and said second protrusion (42) are integrally formed in said first gasket (4), said third protrusion (72) and said fourth protrusion (73) are integrally formed in said second gasket (7), said fifth protrusion (111) and said sixth protrusion (112) are integrally formed in said third gasket (110), said seventh protrusion (141) and said eighth protrusion (142) are integrally formed in said fourth gasket (140), said first gasket (4), said second gasket (7), said third gasket (110) and said fourth gasket (140) are made of an elastic material.

10. The juicer of claim 9, wherein:

on the first sealing gasket (4), the first protrusions (41) and the second protrusions (42) are oppositely arranged in groups, and the distance between the bottom surface of the first sealing groove (31) and the top surface of the body (1) in a pair of the first protrusions (41) and the second protrusions (42) is smaller than the distance between the corresponding group of the first protrusions (41) and the second protrusions (42) along the height direction of the first sealing gasket (4);

on the second gasket (7), the third protrusions (72) and the fourth protrusions (73) are oppositely arranged in groups, and the distance between the bottom surface of the second seal groove (33) and the bottom surface of the top cover (100) in a pair of the third protrusions (72) and the fourth protrusions (73) is smaller than the distance between the corresponding group of the third protrusions (72) and the fourth protrusions (73) along the height direction of the second gasket (7);

on the third gasket (110), the fifth protrusions (111) and the sixth protrusions (112) are oppositely arranged in groups, and the distance between the bottom surface of the top cover (100) and the top surface of the upper cover (3) in a paired group of the fifth protrusions (111) and the sixth protrusions (112) is smaller than the distance between the corresponding group of the fifth protrusions (111) and the sixth protrusions (112) in the height direction of the third gasket (110);

on the fourth sealing gasket (140), the seventh protrusions (141) and the eighth protrusions (142) are oppositely arranged in groups, and the distance between the bottom surface of the annular mounting groove (12) and the top surface of the cup body (2) in one group of paired seventh protrusions (141) and eighth protrusions (142) is smaller than the distance between the corresponding group of seventh protrusions (141) and eighth protrusions (142) along the height direction of the fourth sealing gasket (140).

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