DE202017001841U1 - juicers - Google Patents

Abstract

Juicer, comprising a pedestal and a blender, wherein within the Blender a mixer blade and within the base an electric motor for driving the Blender is provided for rotation, characterized in that the electric motor has a brake coil and a working coil, in the base a first switch and a second switch is provided, wherein the first switch and the second switch with the working coil of the electric motor form a working circuit, while the first switch or the second switch with the brake coil of the electric motor forms a brake circuit, and the juicer further comprises: - a trip bar , which is arranged on the mixing container and can move up and down relative to the mixing container, and - a container lid, which is in screw connection with the blender container, the container lid pushes when screwing with the blender container the trip bar and this trip bar after moves down when screwing the container lid with the blender container, the lower end of the trip bar triggers the first switch and the second switch, so that the working circle forms a closed circle, while unscrewing the container lid from the blender container, the trip bar the first switch or the second switch triggers, so that the working group is turned off and the brake circuit forms a closed circuit.

Description

Technical area

The present invention relates to the field of household appliances, in particular a juicer.

State of the art

With the increase in living standards and the constant pursuit of higher quality of life, it has become common to enjoy freshly squeezed juices at home, where due to simple and comfortable operation juicers find wide application in daily life and divide depending on the function in juicers and blender juicer which blender juicers usually include a base and a blender, wherein within the Blender a knife on the Blender a container lid and inside the base an electric motor is provided, screwed in use of the blender with the stand and the container lid is placed so that the provided in the blender container knife is in gear connection with the provided in the base electric motor to put the knife in a rotary motion and thus to achieve the function of the juicer. Due to inadequate safety capability of existing juicers, it often happens that the mixing process begins before the mixing bowl is screwed tightly or when the container lid is opened during the mixing process, causing the juice to splatter or injure the mixer blade, thus improving the safety of the juicers an urgent problem.

From the Chinese patent specification (publication number: CN101143066A ) a safety control mechanism for a juicer has been disclosed, which specifically comprises a base and a container, wherein on a side surface of the container, a handle is provided which has a hollow receiving space inside, wherein inside the handle a push rod is provided, at the lower end of a Trigger bar is provided, which is enclosed by a spring, the lower end of the trip bar protrudes into a switch seat of the base and is located above a start switch, wherein a lid covers the container, according to this patent specifically an attachment plate is provided at the upper end portion of the trip bar and at the front end of the shim a spring is disposed which can move in a sliding groove within the container, such safety control mechanism for a juicer further comprising a cooperating S located within the receiving space of the handle at the upper end of which a contact piece is formed projecting at the outer edge of the lid on which a latching slot is provided to allow engagement and positioning of the Einraststück at the upper end of the push rod, wherein by turning the lid, the push rod and the release rod are moved, whereby the start switch and thus the switching on and off of the juicer are controlled, in such a juicer, the rotation of the blade when opening the lid is stopped only slowly and an immediate cessation of rotation is possible, so that the problem of splashing the juice or injuring the hand by the blender could easily occur, the complicated structure of such a control switch is prone to failure and thus leads to a short life of the juicer.

Content of the invention

In view of the above problem in the prior art, the present invention has the object to provide a juicer, which avoids the problem of splashing the juice or injuring the hand when opening the lid of the juicer due to rotating mixing blade and an immediate stopping of the knife after Opening or removing the lid is ensured, which ensures increased security of use.

• – eine Auslösestange, die an dem Mixbehälter angeordnet ist und sich relativ zu dem Mixbehälter nach oben und unten bewegen kann, und
• – einen Behälterdeckel, der in Schraubverbindung mit dem Mixbehälter steht, wobei der Behälterdeckel beim Verschrauben mit dem Mixbehälter die Auslösestange schiebt und diese Auslösestange nach unten bewegt,

wobei bei dem Verschrauben des Behälterdeckels mit dem Mixbehälter das untere Ende der Auslösestange den ersten Schalter und den zweiten Schalter auslöst, so dass der Arbeitskreis einen geschlossenen Kreis bildet, während beim Herausschrauben des Behälterdeckels aus dem Mixbehälter die Auslösestange den ersten Schalter oder den zweiten Schalter auslöst, so dass der Arbeitskreis ausgeschaltet wird und der Bremskreis einen geschlossenen Kreis bildet. Durch eine derartige Struktur wird bei Abnehmen des Behälterdeckels von dem Mixbehälter der Bremskreis der Bremsspule von dem Elektromotor geschlossen wird, um eine kurzzeitige Rückwärtsdrehung des Elektromotors und somit ein möglichst schnelles Stoppen des Mixmessers zu bewirken, wodurch ein Spritzen des Safts oder Verletzen der Hand infolge der Unmöglichkeit zum schnellen Stoppen des bestehenden Mixmessers vermieden und somit die Sicherheitsfähigkeit des Entsafters erhöht wird.According to the invention, the object is achieved by the following configuration:
A juicer comprising a pedestal and a blender container, wherein within the Blender a mixer blade and within the base an electric motor for driving the Blender is provided for rotation, characterized in that
the electric motor has a brake coil and a working coil,
in the base, a first switch and a second switch are provided, wherein the first switch and the second switch with the working coil of the electric motor form a working circuit, while the first switch or the second switch with the brake coil of the electric motor forms a brake circuit, and
the juicer further comprises:

• A trigger rod, which is arranged on the mixing container and can move up and down relative to the mixing container, and
• - A container lid, which is in screw connection with the blender container, the container lid pushes when screwing with the blender container, the trip bar and moves this trip bar down,

wherein when screwing the container lid with the blender container, the lower end of the trip bar the first switch and the second Switch triggers, so that the working circle forms a closed circle, while unscrewing the container lid from the mixing container, the trip bar triggers the first switch or the second switch, so that the working circuit is turned off and the brake circuit forms a closed circuit. By such a structure, the brake circuit of the brake coil is closed by the electric motor upon removal of the container lid of the blender container to cause a brief reverse rotation of the electric motor and thus the fastest possible stopping of the blender, thereby injecting the juice or injuring the hand due to Impossibility to quickly stop the existing mixer blade avoided and thus increases the safety of the juicer.

Preferably, it is provided that the blender container has a handle having a hollow receiving space inside, in which the trip bar is arranged, the upper end protrudes from the receiving space and is located below the container lid, while the lower end of the trip bar protrudes from the receiving space, protrudes into the base and is located above the first switch and the second switch.

It is preferably provided that a thrust element is provided on the container lid, which pushes the trigger bar down when screwing the container lid with the mixing container.

It is preferably provided that at least one quadrant of threads and at the container lid at least one matched quarter of thread is provided on the inner wall of the mixing container.

It is preferably provided that above the first switch and the second switch further comprises a trigger element is provided, wherein the lower end of the trip bar may abut against the trigger element to trigger the first switch and the second switch.

It is preferably provided that the triggering element comprises a main portion, on the underside of which two projections are provided which are each assigned to the position of the first switch or the second switch and cooperate with the first switch or the second switch, wherein at the top of the Main section is provided a first support rod, the upper end of which is adjacent to the lower end of the trip bar.

It is preferably provided that a support is provided within the base, which comprises a support body, wherein on both sides of the support body in each case a support rod is provided, on which the first switch or the second switch is respectively arranged,
wherein on the underside of the main portion of the trigger element further comprises a second support rod and on the support body, a through hole is provided, wherein the lower portion of the second support rod is inserted into the through hole and arranged on the second support rod, a first elastic member between the support body and the main portion is, which pushes the first elastic member when removing the container lid from the blender container to the trigger member, so that the projections are separated from the first switch and the second switch.

It is preferably provided that a stop element located above the receiving space and a second elastic element is provided on the mixing container, which serves second elastic element for moving the release bar upwards, so that the upper end of the trip bar to the lower end of the stop element borders.

It is preferably provided that the pusher element has a latching slot in which the stop element is located when the container lid is screwed to the blender container, wherein the pusher element arranged below the latching slot protrudes into the intermediate space between the stopper element and the trigger bar and pushes the trigger bar downwards.

It is preferably provided that the first switch is a bidirectional control switch or the second switch is a bidirectional control switch.

The juicer according to the invention is advantageously characterized in that an electric motor with a working coil and a brake coil is provided in the juicer, wherein the working coil of the electric motor is integrated into a working circuit and the brake coil of the electric motor in a brake circuit, in which case a through the container lid controlled release rod, a first switch and a second switch, which is respectively incorporated into the working circuit, and in addition, the integrated into the brake coil first or second switch are controlled, the mixer blade when screwing the container lid works with the mixing container, while the rotation of the mixing blade when removing the container lid is stopped as quickly as possible from the blender container, whereby a splashing of the juice or injuring the hand due to rotating mixing blade after removing the container lid of the blender container is avoided, which ensures an increased safety of use of the juicer.

Short description of the drawing

Show it

1 an embodiment of the present invention in a sectional view, wherein the blender container is not covered by the container lid,

2 an embodiment of the present invention in a sectional view, wherein the blender container is covered by the container lid,

3 a side view of 2 .

4 a mixing container according to an embodiment of the invention in a sectional view,

5 a container lid according to an embodiment of the invention in a front view,

6 the part A in 1 in an enlarged view, and

7 the circuit structure according to the present invention in a schematic representation.

LIST OF REFERENCE NUMBERS

1

stand,

11

Electric motor,

12

first switch,

13

second switch,

14

Work coil,

15

Brake coil,

161

Support body

162

Supporting bar,

163

Through hole

2

mixing bowl,

3

Container lid,

31

Pusher

311

engaging slot,

32

Thread,

4

Handle,

41

Receiving space

42

Trip bar

43

Stop element

44

second elastic element,

5

Triggering element,

51

Main section

52

Head Start,

53

first support bar,

54

second support rod,

55

first elastic element.

Detailed embodiments

For a better understanding of the above object, features and advantages of the invention, specific embodiments of the present invention will be described below with reference to accompanying drawings.

For a full understanding of the invention, numerous specific details will be set forth in the description which follows, and the present invention may be practiced by other forms that depart from the present description, and without departing from the spirit of the invention, similar extension will be apparent to those skilled in the art For that reason, specific embodiments disclosed below in no way limit the invention.

In addition, the invention will be described in detail with reference to schematic drawings, wherein for ease of explanation, the sectional view of the device structure is not partially enlarged by regular ratio and the exemplary schematic is not intended to limit the scope of the invention. In addition, three-dimensional sizes, including length, width and depth, are to be taken into account in practical production.

As it turned out 1 and 2 results, the juicer according to the invention comprises a stand 1 and a blender container 2 , being inside the blender 2 a blender and inside the stand 1 an electric motor 11 is provided for driving the mixing blade for rotation, wherein the electric motor 11 a brake coil 15 and a work coil 14 having, wherein in the base 1 a first switch 12 and a second switch 13 are provided, wherein the first switch 12 and the second switch 13 with the work coil 14 of the electric motor 11 form a working group while the first switch 12 or the second switch 13 with the brake coil 15 of the electric motor 11 a brake circuit 15 and wherein the juicer further comprises a trip bar 42 attached to the blender 2 is arranged and relative to the blender 2 can move up and down, and a container lid 3 includes, in screw connection with the blender container 2 stands, with the container lid 3 when screwing with the blender container 2 the trip bar 42 shoves and moves this trip bar down.

When screwing the container lid 3 with the blender container 2 releases the lower end of the trip bar 42 the first switch 12 and the second switch 13 out, so that the working group forms a closed circle and now the electric motor 11 can be started to put the blender in to rotate and thus process the ingredients inside the blender jar while unscrewing the hopper lid 3 from the blender container 2 the trip bar the first switch 12 or the second switch 13 triggers, so that the working group is turned off and the brake circuit forms a closed circuit, where now the electric motor 11 can not be started. In the present embodiment, the container lid is 3 in threaded connection with the blender container 2 , wherein the number of threads for screwing the container lid 3 with the blender container 2 Time determined and only with firm screwing the container lid 3 with the blender container 2 the trip bar 42 the first switch 12 and the second switch 13 trigger and thus the working group can be started, wherein when unscrewing the container lid 3 from the blender container 2 for example, by turning the container lid 3 by 10 ° the trip bar 42 the first switch 12 or the second switch 13 can trigger, so that the working group is turned off and at the same time the brake circuit forms a closed circuit, now the container lid 3 not yet from the blender 2 is removed and the closing of the brake circuit, the generation of a current in the reverse direction in the electric motor 11 causes, causing the electric motor 11 in a reverse rotation and the rotation of the mixer blade is stopped as quickly as possible. After closing the brake circuit, the removal of the container lid is required 3 from the blender container 2 for a certain time, for example 3 s, 4 s or 5 s, whereby stopping the rotation of the mixer blade before removing the container lid 3 or stopping the rotation of the mixer blade as soon as possible after removing the container lid 3 from the blender container 2 can be ensured, for example, the rotation within 1.5 seconds after removing the container lid 3 from the blender container 2 ceases.

When the container lid 3 of the blender container 2 the blender container 2 covers, can be in the present embodiment, the first switch 12 and the second switch 13 to close the circle, to move the blender knife in one forward turn and to add the ingredients in the blender jar 2 to stir and chop, taking off the container lid 3 of the blender container 2 from the blender container 2 the trip bar 42 turn the first switch 12 or the second switch 13 of the brake circuit triggers, so that the brake circuit is closed, the working circle the working coil 14 of the electric motor 11 connects with the power supply, while with the brake circuit closed, the brake circuit is not the brake coil 15 of the electric motor 11 connects to the power supply and thus one from the brake coil 15 the electric motor 11 Alone existing circle is formed, wherein when closing the first switch 12 or the second switch 13 to close the brake circuit of the working circuit is turned off and the current at the brake circuit comes from the residual current to the working circuit, a reverse rotation of the electric motor 11 can cause, with the electric motor 11 can be put into a brief reverse rotation by the short-term residual current, so that the blender is set in a reverse rotation and stops its rotation as quickly as possible, whereby the problem of splashing the juice or injuring the hand due to the impossibility to quickly stop the rotation of the mixing blade Remove the container lid 3 from the blender container 2 is avoided.

How out 2 and 3 can be seen, the blender container 2 also a handle 4 on top of a hollow recording room 41 inside, in which the trip bar 42 is arranged, whose upper end from the receiving space 41 protrudes and below the container lid 3 is located while the lower end of the trip bar 42 from the recording room 41 protrudes into the base 1 protrudes and above the first switch 12 and the second switch 13 located.

When covering the blender container 2 with the container lid 3 pushes in the present embodiment, the container lid 3 down the trip bar 42 whose lower end is in the reception room 41 protrudes, and the trip bar 42 the first switch 12 and the second switch 13 triggers, so that the working group is turned on and the electric motor 11 begins to work, taking off the container lid 3 from the blender container 2 the lower end of the trip bar 42 the first switch 12 and the second switch 13 leaves, which turns off the working group. As it turned out 7 results, it is in the present embodiment at the first switch 12 specifically, a bidirectional control switch, wherein when leaving the lower end of the trip bar 42 from the first switch 12 and the second switch 13 the first switch 12 reset and thus the brake circuit is closed so that the residual current flows into the working circuit in the brake circuit and the electric motor 11 drives to a reverse rotation, so as to put the blender in a reverse rotation and to effect the fastest possible stopping the rotation of the blender, the between the container lid 3 and the first switch 12 and the second switch 13 arranged trip bar 42 ensures a simple structure and facilitates the control of closing or switching off the working circuit or brake circuit.

As it turned out 3 results is on the container lid 3 specifically a pushing element 31 provided when screwing the container lid 3 with the blender container 2 the trip bar 42 shifts down, thereby driving the trip bar 42 through the container lid 3 is also facilitated, what a more accurate triggering of the first switch 12 and the second switch 13 and provides increased performance of the facility.

How out 4 and 5 it can be seen, is preferably on the inner wall of the Mixbehälters 2 at least a quarter circle of thread 32 and on the container lid 3 at least one matching quadrant of threads 32 provided to stop the rotation of the mixing blade before removing the container lid 3 from the blender container 2 or shortly after removing the container lid from the blender 2 For example, be sure the rotation of the mixer blade is within 1.5 seconds after removing the container lid 3 from the blender container 2 is stopped. As it turned out 3 yields, the pusher element 31 preferably a snap-in slot 311 on, in which the stop element 43 when screwing the container lid 3 with the blender container 2 which is below the Einrastschlitzes 311 arranged thrust element 31 in the space between the stop element 43 and the trip bar 42 protrudes and the trip bar 42 pushes down, thereby driving the trip bar 42 through the container lid 3 is further facilitated and between the container lid and the blender container is a lock, which ensures increased security of the device.

As it turned out 1 and 2 is above the first switch 12 and the second switch 13 Furthermore, a triggering element 5 provided, with the lower end of the trip bar 42 on the trigger element 5 is applied to the first switch 12 and the second switch 13 trigger a more accurate triggering of the first switch 12 and the second switch 13 to facilitate.

How out 1 and 6 can be seen, includes the trigger element 5 also a main section 51 , on whose underside two projections 52 are provided, each of the position of the first switch 12 or the second switch 13 are assigned and with the first switch 12 or the second switch 13 interact, being at the top of the main section 51 a first support bar 53 is provided, whose upper end to the lower end of the trip bar 42 adjacent to a more accurate triggering of the first switch 12 and the second switch 13 to facilitate.

As it turned out 1 . 2 and 6 results is inside the stand 1 Furthermore, a carrier is provided which has a carrier body 161 comprising, wherein on both sides of the carrier body 161 one support bar each 162 is provided, on which the first switch 12 or the second switch 13 is arranged respectively, being at the bottom of the main section 51 of the trigger element 5 Further, a second support rod 54 and on the carrier body 161 a through hole 163 is provided, wherein the lower portion of the second support rod 54 in the through hole 163 is introduced and on the second support rod 54 a first elastic element 55 between the carrier body 161 and the main section 51 is arranged, which first elastic element 55 when removing the container lid 3 from the blender container up the trigger element 5 pushes so that the protrusions 52 from the first switch 12 and the second switch 13 be separated, with such a structure contributes to a simple production and co-moving the trigger element 5 through the trip bar 42 and thus the triggering of the first switch 12 and the second switch 13 facilitated.

Preferably, on the blender container 2 one above the recording room 41 located stop element 43 and inside the recording room 41 a second elastic element 44 provided, which second elastic element 44 to move upwards on the trip bar 42 Serves so that the top of the trip bar 42 to the lower end of the stop element 43 adjacent, which provides for an increased stability of the structure.

In the invention, an electric motor is in the juicer 11 with a work coil 14 and a brake coil 15 provided, the work coil 14 of the electric motor 11 in a working group and the brake coil 15 of the electric motor 11 is involved in a brake circuit, in which case via a through the container lid 3 controlled trip bar a first switch 12 and a second switch 13 , which is integrated into the working group, and in addition also in the brake coil 15 integrated first switch 12 or second switch 13 controlled, with the mixer blade works when the container lid 3 with the blender container 2 is screwed while rotating the mixing blade when removing the container lid 3 from the blender container 2 stopped as quickly as possible and ceased rotation within 1.5 s after removing the container lid 3 is ensured by the mixing container, whereby a splashing of the juice or injuring the hand due to rotating mixing blade after removing the container lid 3 from the blender container 2 is avoided, which ensures an increased safety of use of the juicer.

So far, only exemplary embodiments of the present invention have been explained, which are not intended to limit the invention, the scope of the invention being defined by the claims. It will be understood by those skilled in the art, within the spirit and scope of the invention, that various modifications and equivalents of substitution may be made which modifications or equivalent substitutions fall within the scope of the present invention.

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• CN 101143066 A [0003]

Claims (10)

Juicer, comprising a pedestal and a blender, wherein within the Blender a mixer blade and within the base an electric motor for driving the Blender is provided for rotation, characterized in that the electric motor has a brake coil and a working coil, in the base a first switch and a second switch is provided, wherein the first switch and the second switch with the working coil of the electric motor form a working circuit, while the first switch or the second switch with the brake coil of the electric motor forms a brake circuit, and the juicer further comprises: - a trip bar , which is arranged on the mixing container and can move up and down relative to the mixing container, and - a container lid, which is in screw connection with the blender container, the container lid pushes when screwing with the blender container the trip bar and this trip bar after moves down when screwing the container lid with the blender container, the lower end of the trip bar triggers the first switch and the second switch, so that the working circle forms a closed circle, while unscrewing the container lid from the blender container, the trip bar the first switch or the second switch triggers, so that the working group is turned off and the brake circuit forms a closed circuit. Juicer according to claim 1, characterized in that the blender container has a handle having a hollow receiving space inside, in which the trip bar is arranged, the upper end protrudes from the receiving space and is located below the container lid, while the lower end of the trip bar from protrudes into the receiving space, protrudes into the base and is located above the first switch and the second switch. Juicer according to claim 1, characterized in that a thrust element is provided on the container lid, which pushes the trigger bar down when screwing the container lid with the mixing container. Juicer according to claim 3, characterized in that on the inner wall of the blender container at least a quarter circle of thread and on the container lid at least one matched quarter circle of thread is provided. Juicer according to claim 2, characterized in that above the first switch and the second switch further comprises a trigger element is provided, wherein the lower end of the trip bar may abut against the trigger element to trigger the first switch and the second switch. Juicer according to claim 5, characterized in that the triggering element comprises a main portion, on the underside of which two projections are provided which are respectively assigned to the position of the first switch and the second switch and cooperate with the first switch or the second switch, wherein at the top of the main portion, a first support rod is provided, the upper end of which adjoins the lower end of the release rod. Juicer according to claim 6, characterized in that within the base a support is provided which comprises a support body, wherein on both sides of the support body in each case a support rod is provided, on which the first switch and the second switch is respectively arranged, wherein the underside of the main portion of the trigger member is further provided with a second support rod and a through hole on the support body, the lower portion of the second support rod being inserted into the through hole and a first elastic member being disposed on the second support rod between the support body and the main portion; which first elastic member upon removal of the container lid from the blender container pushes up the trigger member so that the protrusions are separated from the first switch and the second switch. Juicer according to claim 2, characterized in that on the blender container located above the receiving space stop element and within the receiving space, a second elastic element is provided, which second elastic element for moving the trip bar upwards, so that the upper end of the trip bar to the adjacent lower end of the stop element. Juicer according to claim 8, characterized in that the pusher element has a latching slot in which the stop element is located when screwing the container lid with the blender container, wherein the thrust element arranged below the latching slot protrudes into the intermediate space between the stop element and the trip bar and the trip bar after slides down. Juicer according to claim 1, characterized in that it is at the first switch to a bidirectional control switch or the second switch is a bidirectional control switch.

Images