CN111956046B

CN111956046B - Portable juicing cup

Info

Publication number: CN111956046B
Application number: CN202010503629.3A
Authority: CN
Inventors: 谌军军
Original assignee: Taizhou Plain Huangyan Yong Jiang Science And Technology Co ltd
Current assignee: Taizhou plain Huangyan Yong Jiang Science and Technology Co.,Ltd.
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-08-17
Anticipated expiration: 2040-06-05
Also published as: CN111956046A

Abstract

The invention relates to the technical field of household appliances and discloses a portable juicing cup which comprises a cover body, wherein a motor, a storage battery and a control circuit board are arranged in the cover body, the motor, the storage battery and the control circuit board are electrically connected, an outer shaft is movably sleeved outside a rotating shaft of the motor, the rotating shaft of the motor is connected with the outer shaft through a horizontal key, and the outer shaft penetrates through the bottom of the cover body. According to the invention, the direct current of the storage battery is converted into the rectangular wave alternating current by using the inverter, the periodic change of the current enables the magnetic field of the electromagnet to be periodically changed, and the electromagnet generates periodic repulsive force and attractive force on the permanent magnet, so that the aim of driving the outer shaft to reciprocate up and down along the rotating shaft of the motor is achieved, the outer shaft is favorable for picking up fruits blocked on the blade when moving up and down, compared with the traditional blade rotating at a fixed position, the blade of the juicing cup moves up and down in a spiral shape, the contact probability of the blade and fruit blocks is increased, and the juicing efficiency is improved.

Description

Portable juicing cup

Technical Field

The invention relates to the technical field of household appliances, in particular to a portable juice extracting cup.

Background

At present, with the improvement of living standard, people have higher and higher requirements on health beverages, and fresh fruit juice is pure natural and has no additive, so that nutritional ingredients such as vitamins and dietary fibers can be retained to the maximum extent, the nutrition absorption of a human body is effectively facilitated, and the health is improved. At present, with the popularization of the market, freshly squeezed juice becomes a modern fashion life style. The portable juicing cup comprises an upper cover and a cup body, a motor is arranged in the upper cover and drives a blade to rotate and shred fruits, the position of the blade is fixed, the cup body needs to be inverted when juicing is carried out, the fruits move towards the blade under the self gravity, the purpose of juicing is achieved, and the juicing cup body is small in size and convenient to carry, so that the portable juicing cup is more and more popular with people.

In actual use, the fruit pieces placed in the juicing cup are easy to be blocked between the cutter and the inner wall of the cup body, so that the motor is blocked, the friction force between the fruits and the cup wall part is larger than the rotating force of the cutter, the cover body and the cup body are required to be separated, the fruit pieces are manually pulled off and restarted, multiple blockage can occur in the juicing process, the cover body is frequently opened, the juicing time is prolonged, the fruits are easy to be polluted by bacteria on hands, and the risk that the hands are scratched by the blades is increased; in addition, the juicing cup needs to use an additional cutter to cut fruits into small pieces and then juice, and in some places, such as transportation tools like subways and trains, the juicing cup is very easy and inconvenient to carry the cutter, so that the juicing cup is inconvenient to use.

Disclosure of Invention

Aiming at the defects of the prior portable juicing cup in the prior art in the using process, the invention provides the portable juicing cup which has the advantages of cutting fruits and reducing fruit blockage, and solves the problems of easy blockage of the fruits and inconvenient use of the juicing cup in the prior art.

The invention provides the following technical scheme: a portable juicing cup comprises a cover body, wherein a motor, a storage battery and a control circuit board are arranged inside the cover body, the motor, the storage battery and the control circuit board are electrically connected, an outer shaft is movably sleeved outside the rotating shaft of the motor, the rotating shaft of the motor is connected with an outer shaft horizontal key, the outer shaft penetrates through the bottom of the cover body, an electromagnet is fixedly arranged on the outer wall of the rotating shaft of the motor, the side surface of the electromagnet is provided with a magnetic conduction block, the top of the outer shaft is provided with a permanent magnet corresponding to the electromagnet, an inverter is connected in the circuit of the control circuit board and the electromagnet, a driven gear is fixedly sleeved on the outer wall of the outer shaft, a main gear is arranged in the inner cavity of the cover body, the top of the main gear is fixedly connected with a screw rod transmission assembly, the bottom of the main gear is fixedly connected with a return spring, and one end, far away from the main gear, of the return spring is fixedly connected to the fixing plate.

Preferably, the keyway on the outer axle inner wall extends to the top of outer axle, the parallel key sliding connection who sets up on the motor shaft is in the keyway.

Preferably, the number of the electromagnets, the permanent magnets and the magnetic conduction blocks is the same, the positions of the electromagnets, the permanent magnets and the magnetic conduction blocks correspond to each other, and the permanent magnets and the magnetic conduction blocks attract each other.

Preferably, when the elastic force of the return spring is balanced with the gravity of the screw rod transmission assembly and the return spring, the main gear is located at the level of the top of the gear.

Preferably, the main gear rotates in the same direction as the motor shaft.

The invention has the following beneficial effects:

1. according to the invention, the direct current of the storage battery is converted into the rectangular wave alternating current by using the inverter, the periodic change of the current enables the magnetic field of the electromagnet to be periodically changed, and the electromagnet generates periodic repulsive force and attractive force on the permanent magnet, so that the aim of driving the outer shaft to reciprocate up and down along the rotating shaft of the motor is achieved, the outer shaft is favorable for picking up fruits blocked on the blade when moving up and down, compared with the traditional blade rotating at a fixed position, the blade of the juicing cup moves up and down in a spiral shape, the contact probability of the blade and fruit blocks is increased, and the juicing efficiency is improved.

2. According to the invention, the main gear is driven to rotate by the screw rod transmission assembly, the auxiliary gear is meshed with the main gear, and the rotating shaft of the motor is driven to rotate by the outer shaft, so that on one hand, a blade can be manually used for cutting fruits, on the other hand, the motor converts mechanical energy into electric energy and charges the storage battery, and the multifunctional performance of the juicing cup is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a simplified electrical schematic of the motor and battery of the present invention;

FIG. 3 is a schematic diagram of a simple circuit for discharging the battery;

FIG. 4 is a schematic diagram of a simple circuit for charging the battery;

fig. 5 is a top view of the outer shaft of the present invention.

In the figure: 1. a cover body; 2. a motor; 3. a storage battery; 4. a control circuit board; 5. an outer shaft; 6. an electromagnet; 7. a permanent magnet; 8. a magnetic conduction block; 9. an inverter; 10. a slave gear; 11. a main gear; 12. the screw rod transmission assembly; 13. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a portable juice extracting cup comprises a cover body 1, a motor 2, a storage battery 3 and a control circuit board 4 are arranged inside the cover body 1, the motor 2, the storage battery 3 and the control circuit board 4 are electrically connected, the storage battery 3 supplies electric energy to the motor 2, an outer shaft 5 is movably sleeved outside a rotating shaft of the motor 2, the rotating shaft of the motor 2 is in flat key connection with the outer shaft 5, a key groove on the inner wall of the outer shaft 5 extends to the top of the outer shaft 5, the outer shaft 5 penetrates through the bottom of the cover body 1, a flat key arranged on the rotating shaft of the motor 2 is in sliding connection with the key groove, when the outer shaft 5 moves downwards, the upper end of the flat key on the outer wall of the motor 2 slides out of the key groove, the sliding connection of the flat key and the key ensures that the outer shaft 5 can move upwards and downwards along the motor 2 when the outer shaft 5 is driven to rotate, and a blade at the lower end of the outer shaft 5 moves in a spiral reciprocating motion, an electromagnet 6 is fixedly installed on the outer wall of a rotating shaft of the motor 2, a magnetic conduction block 8 is arranged on the side face of the electromagnet 6, a permanent magnet 7 corresponding to the electromagnet 6 is arranged at the top of the outer shaft 5, the number of the electromagnet 6, the number of the permanent magnet 7 and the position of the magnetic conduction block 8 are the same and the positions of the electromagnet 6, the permanent magnet 7 and the magnetic conduction block 8 are corresponding, when a circuit of the storage battery 3 and the motor 2 is disconnected, the permanent magnet 7 and the magnetic conduction block 8 are mutually attracted to avoid the outer shaft 5 from moving downwards, the outer shaft 5 is positioned, in addition, the minimum repulsive force of the electromagnet 6 to the permanent magnet 7 is also larger than the attractive force of the permanent magnet 7 and the magnetic conduction block 8, so that the outer shaft 5 can move downwards, an inverter 9 is connected in the circuit of the control circuit board 4 and the electromagnet 6, the inverter 9 converts the direct current of the storage battery 3 into rectangular wave alternating current, the rectangular wave alternating current is introduced into the electromagnet 6, and the magnetic field of the electromagnet 6 is periodically converted, but the field intensity is not changed, so the electromagnet 6 and the permanent magnet 7 are mutually attracted and repelled periodically to drive the outer shaft 5 to do reciprocating motion up and down, when the cutter moves up and down, the fruit clamped on the blade can be removed under the resistance of the fruit around, meanwhile, the fruit at different positions can be cut, the juice extraction efficiency is improved, the slave gear 10 is fixedly sleeved on the outer wall of the outer shaft 5, the longest moving distance of the outer shaft 5 is the distance from the bottom end of the outer shaft 5 to the slave gear 10, the main gear 11 is arranged in the inner cavity of the cover body 1, the top of the main gear 11 is fixedly connected with the screw rod transmission assembly 12, the screw rod transmission assembly 12 comprises a screw rod, a screw rod and a supporting spring, the structure of the screw rod transmission assembly 12 is the known technology, when the screw rod is pressed downwards, the screw rod drives the main gear 11 to rotate, the main gear 11 is meshed with the slave gear 10, therefore, the rotating shafts of the outer shaft 5 and the motor 2 and the slave gear 10 rotate simultaneously, when cutting fruit, can place the blade of lid 1 bottom on fruit, press lead screw transmission assembly 12, the blade is rotatory, cuts fruit, and the recess is seted up at the top of lid 1, and the top of screw rod is rotated and is connected the push rod, and the push rod is used for promoting the screw rod downwards, and the screw rod can not rotate when the downstream, and the push rod can rotate to horizontal position and be located the recess, guarantees the aesthetic property at lid 1 top.

The bottom of the main gear 11 is fixedly connected with a return spring 13, one end of the return spring 13, which is far away from the main gear 11, is fixedly connected to a fixing plate, when the elastic force of the return spring 13 is balanced with the gravity of the screw rod transmission assembly 12 and the return spring 13, the main gear 11 is positioned at the horizontal plane of the top of the slave gear 10, namely when a little force is exerted on the screw rod transmission assembly 12, the return spring 13 can be continuously compressed, then the main gear 11 can be meshed with the slave gear 10, when no force is exerted on the screw rod transmission assembly 12, the return spring 13 extends upwards to a balanced state, at the moment, the slave gear 10 and the main gear 11 are not meshed, and the scheme is to ensure that the slave gear 10 rotates in a single direction;

the storage battery 3 is connected with the motor 2 through the control circuit board 4, and a forward diode is connected between circuits of the motor 2 and the control circuit board 4 to prevent the control circuit board 4 from being burnt out when the motor 2 is used as a generator and current reversely passes through the control circuit board 4; the main gear 11 rotates in the same direction as the rotating shaft of the motor 2.

According to the known technology, the dc motor can also be used as a generator, when the dc motor is powered on, the electric energy is converted into mechanical energy, when the dc motor is used as a generator, the mechanical energy is converted into electric energy, when the driven gear 10 is driven by the main gear 11 to rotate, the motor 2 is used as a generator, the current generated by the motor 2 is adjusted by the current adjusting device to the current intensity capable of charging the storage battery 3, when the storage battery 3 of the juicer is not powered, the storage battery 3 can be charged by manually pressing the screw rod transmission assembly 12, and when the screw rod transmission assembly 12 is pressed to cut fruits, the storage battery 3 is also charged; specifically, if the rotation direction of the motor 2 as a generator is the same as the rotation direction of the motor 2 as a motor, the positive and negative poles of the generated current are the same as the positive and negative poles of the battery 3; referring to fig. 2, a simple circuit connection diagram of the motor 2 and the storage battery 3 is shown, the circuit connection diagram is a schematic diagram of partial circuit connection of the control circuit board 4, the switches S1, S2 and S3 are normally open, and referring to fig. 3, the switch S1 is closed, the motor 2 rotates, and juice is squeezed; referring to fig. 4, when the switches S2 and S3 are closed and the rotor of the motor 2 is rotated, the motor 2 generates a current, the positive and negative poles of which are shown in fig. 4, and the current generated by the motor 2 is adjusted by a current adjusting device, not shown, to charge the battery 3; the juice extracting cup is provided with a first button and a second button, the first button is connected with a switch S1, the second button is connected with a switch S2 and a switch S3, the switches S2 and S3 act synchronously, the second button needs to be pressed before the screw rod transmission component 12 is pressed to rotate, and the switches S2 and S3 are closed

The using method of the invention is as follows: firstly, a switch S1 is closed, the storage battery 3 supplies power to the motor 2, a rotor of the motor 2 rotates to drive the outer shaft 5 and a blade below the outer shaft 5 to rotate to cut fruits, meanwhile, direct current of the storage battery 3 is converted into rectangular wave alternating current through an inverter 9 and is introduced into the electromagnet 6, the electromagnet 6 generates repulsive force on the permanent magnet 7 firstly, the outer shaft 5 moves downwards, and when the current direction of the alternating current is changed, the electromagnet 6 generates attractive force on the permanent magnet 7, and the outer shaft 5 moves upwards; secondly, after the switch S1 is switched off, the motor 2 stops rotating, no current flows in the electromagnet 6, and the stability of the outer shaft 5 is ensured by the attraction force of the permanent magnet 7 and the magnetic conduction block 8; finally, when the electric energy of the storage battery 3 is exhausted or the cover body 1 is needed to cut fruits, the second button is pressed, the switches S2 and S3 are closed, the rotor of the motor 2 rotates to generate current, and the current passes through the current adjusting device and then charges the storage battery 3.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a portable cup of squeezing juice, includes lid (1), lid (1) inside motor (2), battery (3) and control circuit board (4) of being equipped with, motor (2), battery (3) and control circuit board (4) electric connection, its characterized in that: outer axle (5) has been cup jointed in the outside activity of motor (2) pivot, the pivot and the outer flat key of axle (5) of motor (2) are connected, outer axle (5) run through the bottom of lid (1), fixed mounting has electro-magnet (6) on the outer wall of motor (2) pivot, the side of electro-magnet (6) is equipped with magnetic conduction piece (8), the top of outer axle (5) is equipped with permanent magnet (7) corresponding with electro-magnet (6), be connected with inverter (9) in the circuit of control circuit board (4) and electro-magnet (6), fixed cup joint on the outer wall of outer axle (5) is followed gear (10), be provided with master gear (11) in the inner chamber of lid (1), the top fixedly connected with lead screw drive assembly (12) of master gear (11), the bottom fixedly connected with reset spring (13) of master gear (11), one end of the return spring (13) far away from the main gear (11) is fixedly connected to the fixing plate; a key groove in the inner wall of the outer shaft (5) extends to the top of the outer shaft (5), and a flat key arranged on a rotating shaft of the motor (2) is connected in the key groove in a sliding manner; the number of the electromagnets (6), the permanent magnets (7) and the magnetic conduction blocks (8) is the same, the positions of the electromagnets are corresponding to the positions of the permanent magnets (7) and the magnetic conduction blocks (8) in a corresponding mode, and the permanent magnets (7) and the magnetic conduction blocks (8) are attracted; when the elastic force of the return spring (13) is balanced with the gravity of the screw rod transmission assembly (12) and the return spring (13), the main gear (11) is positioned at the horizontal plane from the top of the gear (10); the rotating direction of the main gear (11) is the same as that of the rotating shaft of the motor (2).