CN201360959Y - Cooking-prepared household electrical apparatus - Google Patents

Abstract

The utility model discloses a cooking-prepared household electrical apparatus, comprising a driving shell (1) which receives the base (11) of a working container (2); the working container (2) comprises a shell (20) which is arranged on the bottom (21); the bottom (21) supports a rotating tool (4) which is used for being rotatablely driven by the driving shell (1); the bottom (5) is jointed on the receiving base (11) by simple translation motion; the driving shell (1) comprises a safety controller (5); the safety controller (5) returns to a rest position by a reversion device (6) and moves to the working position by an actuation element (22); the actuation element is supported by the working container (2); the household electrical apparatus is characterized in that the base (11) or the container (2) comprises a plurality of elastic locking devices (8, 80); the elastic locking devices are matched with the container (2) or the base (11) respectively so as to generate a locking force which is strong enough to resist the force generated by the reversion device (6) of the safety controller, thus axially fixing the container (2) on the base (11).

Description

Home Appliances for Cooking Preparation

technical field

The utility model relates generally to the field of household appliances for cooking and preparation, comprising a drive housing and a working container designed to be engaged perpendicularly to said drive housing without locking said container in said drive housing by rotational movement. Said base, in particular to an appliance comprising a safety control carried by said housing, which prevents the operation of the drive if said container is not properly mounted on said removable base.

Background technique

From the GB2134804 patent application is known a cooking and preparation household appliance comprising a drive housing on which a working container can be engaged by a simple translational movement, said household appliance comprising a safety control which prevents the container not being placed in the The operation of the drive when it is on the base of the drive housing described above. To this end, a safety control is actuated by a finger carried by the container so that said household appliance does not operate without said container.

Such safety controls are generally equipped with return springs ensuring the return of the safety control into the rest position, preventing operation of the drive when the container is removed from the drive housing.

However, the thrust of the return spring of the safety controller tends to lift the container slightly, causing a deflection of the container on the base if the container is not of sufficient weight, especially if it is not filled and implemented in plastic material set up. In this case, the stability of the container is compromised and the container may start to vibrate when the drive is running causing uncomfortable noises.

Utility model content

Furthermore, the object of the present invention is to propose a cooking and preparation household appliance that solves the aforementioned drawbacks, guaranteeing ergonomics of use, allowing placement and Remove the container.

Therefore, the present invention relates to a cooking and preparation household appliance comprising a drive housing provided with a base for receiving a working container, said working container comprising a casing mounted on a bottom supporting a rotary tool, said The rotary tool is intended to be rotationally driven by the drive housing, the bottom portion is arranged to be engaged on the receiving base by a simple translational movement, the drive housing includes a safety controller, and the safety controller returns to the receiving base through a return device. to the rest position and moved to the working position by the actuating element, which is carried by the working container, characterized in that the base or the container includes some elastic locking devices, the elastic locking devices are respectively connected with the container or The base cooperates to generate a locking force that is sufficiently great to resist the force generated by the return means of the safety controller to axially secure the container on the base.

A household appliance is thus obtained comprising some locking means in which the elastic deformation of the parts allows perfect engagement of the container to the base by a simple vertical pressure exerted by the user on the container, which is then released by the user. Pressure on the container ensures that the container is held in place.

According to another feature, the elastic locking device is configured to automatically unlock when the force applied to the elastic locking device when lifting the working implement exceeds a predetermined threshold.

Such a feature allows the working container to be removed from the drive housing by a simple pull on the container.

According to another feature, said locking means automatically unlocks with a force greater than the force exerted by the return means of the safety controller and less than the weight of the drive housing.

Such a feature allows avoiding lifting of the drive housing when the user lifts the container in order to disengage the container from the drive housing.

According to another feature of the present invention, the locking device comprises one or more elastic tongues, said elastic tongues comprising bosses engaged in recesses suitable for securing said container in place. on the base of the drive housing.

According to another feature of the utility model, said locking device comprises two elastic tongues arranged at 180 degrees to each other.

According to another characteristic of the invention, said elastic tongue is carried by the base and engages in an opening carried by a claw protruding inside the bottom.

According to another characteristic of the invention, said elastic tongue is carried by a support inserted into said drive housing.

According to another feature of the present invention, the container is configured to be positioned on the receiving base along one or more predetermined angular positions.

Such a feature allows for right-handed and left-handed use ergonomics, allowing for multiple positions of the container.

Description of drawings

The objects, features and advantages of the present invention will be better understood from the description given below, according to a specific embodiment of the present invention, shown as a non-limiting example with reference to the accompanying drawings, which include:

Fig. 1 is a cooking and preparation household appliance according to a specific embodiment of the present invention, the container is disengaged from the drive housing;

Fig. 2 is the bottom perspective view of the container of Fig. 1;

Figure 3 is a top view of the cooking and preparation appliance of Figure 1 with the container engaged on the drive housing;

Fig. 4 is a sectional view along line IV-IV of Fig. 3;

Figure 5 is a detailed view of the device for securing the container;

Figures 6 and 7 are enlarged perspective views of the resilient tongue securing the lock of the container to the drive housing; and

Figure 8 is a perspective view of a modified embodiment of the elastic tongue.

Detailed ways

Only elements necessary for an understanding of the invention are shown. For ease of reading the drawings, the same elements have the same reference numerals in different drawings.

Figure 1 shows a household appliance for cooking preparation according to the invention, comprising a drive housing 1, a working container 2 for placing on said drive housing 1 along several angular positions, and a working container for closing The lid 3 of the container 2.

The working container 2 is preferably made of plastic, implemented by moulding, comprising a housing 20 defining the useful volume of the container 2 and a base 21 generally supporting a tool 4 intended to be driven in rotation by a drive 15 integrated into the Of the drive housing 1 , the tool 4 and the driver 15 are only shown in FIG. 4 .

According to FIG. 1 , the drive housing 1 comprises a series of control buttons 10 allowing the selection of different rotational speeds of the drive 15 . The drive housing 1 also includes a base 11 receiving the bottom 21 of the container, said base comprising two central protrusions 110 on which the bottom 21 can be engaged vertically along four angular positions offset from each other by 90 degrees .

The center of the base of the container 11 includes a rotary driver 12 on which a sleeve 40 is engaged, as shown in FIG. 2 , and is integrated with the tool 4 .

The base of the container 11 also comprises a guiding joint 13 arranged on the edge of one of the central protrusions in order to obtain a gap between the guiding joint 13 and the central protrusion 110, said gap entering the space receiving the safety control 5, in It is indicated by a dotted line in Figure 1. The safety controller 5 can move vertically inside the drive housing 1 and return to the high position by the spring 6, as shown by the dotted line in FIG. 1 .

The safety controller 5 comprises a profile 50 cooperating with an interrupter 7 arranged on the supply circuit of the driver in order to close said supply circuit when the safety controller 5 moves towards the bottom against the spring 6, the interrupter 7 Conversely, when the safety control 5 is in the high position it is open as shown in FIG. 1 , thus preventing activation of the drive 15 when the user actuates one of the control buttons 10 .

According to FIG. 2 , the bottom 21 of the container constitutes an outer skirt surrounding the sleeve 40 , comprising four actuating claws 22 separated by 90° from each other, extending within the volume of the skirt constituting the bottom 21 so as to One of them presses the safety control 5 against the spring 6 when the container 2 is placed on the base 11 .

More particularly, according to the invention, the base 11 of the container comprises some elastic locking means cooperating with the bottom 21 in order to fix said bottom in the recessed position of the base and to overcome the tendency produced by the return spring 6 of the safety control 7 Force to lift container 2.

As shown in Figures 4 and 5, the locking means preferably includes two elastic tongues 8, which are arranged symmetrically to each other and are equipped with bosses 80 which cooperate with openings 220 formed in the pawl 22, so that the bottom 21 remains in the In the recessed position of the base 11 of the container. Preferably, the size of the opening 220 is several millimeters larger than the size of the boss 80 so that a small gap is created for good engagement of the boss 80 .

According to FIGS. 6 and 7 , the elastic tongue 8 is supported by a support 9 inserted into a cavity suitable for the drive housing 1 , said support 9 comprising some lateral detents 90 which allow fixing in the drive housing 1 . on shell 1. Such a feature has the advantage of simplifying the implementation of elastic tongues 8 that can be molded directly with said support 9 in a specific material that provides good elasticity. Such a feature also allows for easy replacement of defective elastic tongues 8.

Preferably, elastic tongue 8 has blade shape, and its length is about 15 millimeters, and width is about 3 millimeters and thickness is about 1.5 millimeters, and described elastic tongue is connected on the bearing 9 with its end respectively, and boss 80 is arranged on blade. The blade is integrated with the deformable part of the support 9 which has a notch 91 which facilitates the elastic deformation of the area supporting the boss 80 . In a variant embodiment shown in FIG. 8, the elastic tongue 8 can be fixed on only one of the ends so that the boss 80 is located on the part of the tongue which protrudes, and the stop 81 is preferably able to It is arranged under the elastic tongue 8 so as to strengthen the rigidity of the elastic tongue 8 .

Boss 80 preferably comprises a bevel that develops progressively from each side of its top so that the locking of container 2 on base 11 is reversible, a pull on container 2 towards high places causing boss 80 to pass through tongue 8. The elastic deformation recedes outside the opening 220, allowing the container 2 to be removed without any action on the unlocking button.

Preferably, the elastic tongue 8 and the boss 80 are shaped so that the traction force applied to the container 2 for removing the container from the drive housing is completely less than the weight of the drive housing 1, so that the container 2 can be easily removed from the drive housing. The drive housing 1 is removed without causing the drive housing 1 to be lifted.

A domestic appliance embodied in this way has the advantage of having a high degree of safety in use while at the same time ensuring a very high degree of ergonomics when placing and removing the container on the drive housing. In particular, the container does not require any complex locking operations, such as rotational movements, in order to engage correctly on the drive housing. In fact, the container can be locked on the housing by applying a simple pressure on the housing towards the bottom, so that the bosses of the elastic tongues engage in the openings provided for this purpose on the bottom. A container is thus obtained which is stable in the correct working position despite the pressure exerted by the spring of the safety controller and regardless of the weight of the components introduced in the container.

In addition, such a container has the advantage that it can be removed from the base very easily without any effort on the release button, so that the container is simply lifted so that the projection of the elastic tongue acts on the lifting of the container. The opening is moved out of the opening under the applied force, thereby releasing the lock.

Of course, the invention is not limited to the embodiments described and shown. Some modifications are still possible, in particular from the point of view of the construction of different elements or by substituting technical equivalents, without going beyond the scope of protection of the invention.

Thus, in a variant embodiment of the invention, the locking means can comprise elastic tongues equipped with bosses, supported by a container engaging into a suitable opening carried by the base.

Therefore, in other variant embodiments, the bottom of the container can be detachably mounted on the outer shell of the container.

Claims (8)

1. cook the household electrical appliance of preparation, comprise the drive shell (1) that is provided with the base (11) that receives Work container (2), described Work container (2) comprises shell (20), described shell is installed on the bottom (21), throw (4) is supported in described bottom (21), described throw is used for being driven by described drive shell (1) rotation, described bottom (5) is provided for being bonded on the described reception base (11) by simple translational motion, described drive shell (1) comprises safety governor (5), this safety governor is got back to resting guard and is moved to the operating position by actuation element (22) by return mechanism (6), this actuation element is carried by Work container (2), it is characterized in that, described base (11) or described container (2) comprise some elastic locking devices (8,80), described elastic locking device cooperates so that produce latching force with described container (2) or described base (11) respectively, this latching force is enough big so that resist the power that the return mechanism (6) of safety governor (5) produces, thereby the described container of axial restraint (2) is on this base (11).

2. the household electrical appliance of culinary art preparation according to claim 1 is characterized in that, the power that described elastic locking device (8,80) is provided for being applied to when lifting described work device (2) on the elastic locking device automatically terminates locking above under the reservation threshold.

3. the household electrical appliance of culinary art according to claim 2 preparation is characterized in that, the power that described locking device (8,80) automatically terminates locking is greater than the power that is applied by the return mechanism of safety governor (5) (6) and less than the weight of drive shell (1).

4. according to the household electrical appliance of claim 1 or 2 described culinary arts preparation, it is characterized in that, described locking device comprises one or more elastic tongue piece, described elastic tongue piece comprises the boss (80) that joins in the cavity (220), and described cavity is suitable for guaranteeing that described container (2) is fixed on the base (11) of described drive shell (1).

5. according to the household electrical appliance of claim 1 or 2 described culinary art preparations, it is characterized in that described locking device comprises two elastic tongue pieces (8) of 180 degree settings each other.

6. the household electrical appliance of culinary art according to claim 5 preparation is characterized in that, described elastic tongue piece (8) is carried and is bonded on by in the opening (220) of pawl (22) carrying by base (11), described pawl (22) in the bottom inside of (21) outstanding.

7. the household electrical appliance of culinary art preparation according to claim 6 is characterized in that, described elastic tongue piece (8) is by supporting member (9) carrying that is inserted in the described drive shell (1).

8. the household electrical appliance of culinary art preparation according to claim 7 is characterized in that, described container (2) is provided for one or more predetermined angular position setting in described reception base (11) upper edge.

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