Hand-held housing for a multifunctional cooking and preparation household appliance

Abstract

The present invention relates to a housing (1) of a multifunctional cooking preparation household appliance designed to be handheld, having at least one first drive output configured to drive a removable rotary working tool (2), an opening (13) configured to mount a removable working accessory (3), a plurality of holding components (14) configured to engage with a connection element (30) of a working accessory (3) mounted in the opening (13), and a second drive output (12) configured to drive a rotary drive component (31) of a working accessory (3) mounted in the opening (13). According to the invention, the plurality of holding components (14) is arranged on an outer portion of a protrusion (15) arranged inside the housing (1) around the second drive output (12), the plurality of holding components (14) being configured to engage with an inner portion of the connection element (30).

Description

TECHNICAL FIELD

[0001] The present invention relates to the technical field of multifunctional cooking preparation household appliances.

[0002] The present invention more particularly relates to multifunctional food preparation household appliances comprising a motorized casing designed to be handheld and comprising a plurality of types of driving outputs configured to be used with a plurality of removable rotary working tools or with a plurality of removable working accessories. BACKGROUND

[0003] An appliance of the above type is known from document WO 96 / 25 / 081, the motorized casing of which has a rear opening designed to mount a stirring accessory. This document proposes to mount the stirring accessory in a cylindrical cartridge carried by the motor. In this way, the end of the stirring accessory engaged in the casing has a relatively reduced cross section. The drawback of the above embodiment lies in the fact that the shaft of the stirring accessory must be correctly aligned with the shaft of the driving output to mount the stirring accessory. The mounting of the stirring accessory can be difficult. SUMMARY

[0004] The present invention aims at remedying this drawback. The basic technical problem of the present invention is to facilitate the mounting of a removable working accessory comprising a connecting element and a rotary driving part, such as a stirring accessory, on a motorized casing of a multifunctional cooking preparation household appliance designed to be handheld.

[0005] The object of the present invention is to propose a casing of a multifunctional cooking preparation household appliance designed to be handheld, in which the mounting of a removable working accessory comprising a connecting element and a rotary driving part is facilitated.

[0006] A further object of the present invention is to propose a casing of a multifunctional cooking preparation household appliance designed to be handheld, in which the mounting of a removable working accessory comprising a connecting element and a rotary driving part is facilitated, and the rest of the construction remains simple to implement.

[0007] Another object of the present invention is to propose a multifunctional cooking preparation household appliance comprising a casing designed to be handheld and a removable working accessory comprising a connecting element and a rotary driving part, in which the mounting of the removable working accessory in the casing is facilitated.

[0008] A further object of the present invention is to propose a multifunctional cooking preparation household appliance comprising a casing designed to be handheld and a removable working accessory comprising a connecting element and a rotary driving part, in which the mounting of the removable working accessory in the casing is facilitated, and the rest of the construction remains simple to implement.

[0009] These objects are achieved by a casing designed as a hand-held multifunctional cooking preparation household appliance, which houses an electric motor, said casing having at least one and preferably two first drive outputs driven by the electric motor and configured to (each) drive a removable rotary working tool, said casing having an opening configured for mounting a removable working accessory, said casing having a plurality of retaining members configured to engage with a connecting element of the working accessory mounted in the opening, said casing having a second drive output driven by the electric motor and configured to drive a rotary drive member of the working accessory mounted in the opening, in that the plurality of retaining members are arranged on an outer portion of a protrusion arranged inside the casing around the second drive output, and in that the plurality of retaining members are configured to engage with an inner portion of the connecting element. These arrangements allow the plurality of retaining members to be housed in the casing while facilitating the placement of the connecting element in the casing. The connecting element can be engaged in the opening around the protrusion and then guided by the protrusion while being engaged.

[0010] The protrusion can have a frustoconical tip. This arrangement allows the connecting element to be facilitatedly guided.

[0011] The plurality of retaining members can be carried by a structural member arranged in the casing behind the opening. This arrangement allows the casing to be facilitatedly implemented and its construction to be simplified.

[0012] The second drive output can pass through the structural member. This arrangement allows the mechanical strength of the structural member to be improved with respect to a structural member having a recess for the passage of the second drive output or a structural member having more limited dimensions offering space for the passage of the second drive output, which contributes to the construction of the casing being simplified.

[0013] The frustoconical tip can be formed by an annular cover mounted on the structural member. This arrangement allows the casing to be facilitatedly implemented and its construction to be simplified.

[0014] The structural member can form a cavity open onto the opening, the plurality of retaining members being arranged in the cavity. This arrangement allows the casing to be facilitatedly implemented and its construction to be simplified.

[0015] The structural member can form a slide rail on which a shutter slides, said shutter being able to be in an open position in which the opening is open and in a closed position in which the opening is closed by the shutter. This arrangement allows the second drive output to be hidden while remaining simple to implement.

[0016] The slide rail can have a plurality of guide ribs and the shutter can have a plurality of guide notches which slide on the plurality of guide ribs when the shutter is displaced between the open position and the closed position or between the closed position and the open position. This arrangement allows the shutter to be facilitatedly displaced while remaining simple to implement.

[0017] The structural element can extend in a rear post of the housing. This arrangement allows for the facilitated implementation of a slidingly mounted flap.

[0018] The housing can have a handle extending from the rear post. This arrangement allows for the facilitated use of the housing.

[0019] The housing can comprise two outer half-shells, the structural element then being held between the two outer half-shells assembled together. This arrangement allows for the facilitated implementation of the housing.

[0020] These objects are also achieved with a multifunctional cooking-preparation household appliance comprising a housing designed to be handheld and a removable working accessory configured to be mounted in the housing, the working accessory comprising a rotary drive member and a connecting element, in that the housing complies with at least one of the preceding features. These arrangements allow for the facilitated implementation of the multifunctional cooking-preparation household appliance.

[0021] The inner portion can have a plurality of inner hooking members that engage the plurality of retaining members when the working accessory is mounted in the opening. This arrangement allows for the simplified implementation of the working accessory.

[0022] The inner portion can belong to an annular wall of the connecting element. This arrangement allows for the simplified implementation of the working accessory, while improving its robustness.

[0023] The annular wall can cap the protrusion when the working accessory is mounted in the opening. This arrangement allows for the simplified placement of the working accessory in the housing. BRIEF DESCRIPTION OF DRAWINGS

[0024] The objects, aspects and advantages of the present application will be better understood from the following description of specific embodiments and variants of the present application, presented as non-limiting examples, with reference to the appended drawings, in which:

[0025] Figure 1 is a longitudinal sectional view of an exemplary embodiment of a multifunctional cooking-preparation household appliance comprising a housing designed to be handheld according to the present application, two removable rotary working tools and a removable working accessory;

[0026] Figure 2 is Figure 1 is a rear perspective view of the appliance, with the working accessory removed from the housing;

[0027] Figure 3 is Figure 1 and Figure 2 is a partial perspective view of the working accessory;

[0028] Figure 4 is Figure 1 and Figure 2 is a rear partial perspective view of the housing;

[0029] Figure 5 is a rear part sectional perspective view of the casing shown in Figure 1 , Figure 2 and Figure 4 ;

[0030] Figure 6 is a rear part perspective view of the casing shown in Figure 1 , Figure 2 , Figure 4 and Figure 5 , with the shroud removed;

[0031] Figure 7 is a perspective view of the removable working accessory shown in Figure 1 , Figure 2 and Figure 4 to Figure 6 , mounted on the casing shown in Figure 1 to Figure 3 , with half-casings of the casing not shown,

[0032] Figure 8 is a perspective view of a variant embodiment of the casing shown in Figure 1 , Figure 2 and Figure 4 to Figure 7 , with half-casings of the casing not shown, and in which the casing comprises an internal sliding closure shutter shown in the open position.

[0033] Figure 9 is a perspective view of a variant embodiment of the casing shown in Figure 8 , according to another orientation, with half-casings of the casing not shown, and in which the internal sliding closure shutter is shown in the open position,

[0034] Figure 10 is a perspective view of a variant embodiment of the casing shown in Figure 8 , according to the orientation of Figure 8 and Figure 9 , with half-casings of the casing not shown, and in which the internal sliding closure shutter is shown in the closed position. DETAILED DESCRIPTION

[0035] Figure 1 and Figure 2 show an exemplary embodiment of a multifunctional cooking preparation household appliance comprising a casing 1 designed to be handheld, a plurality of removable rotary working tools 2 and a removable working accessory 3.

[0036] Figure 1 and Figure 2 show a plurality of rotary working tools 2 which are beaters for emulsifying or whipping egg whites.

[0037] Figure 1 and Figure 2The illustrated working attachment 3 is a stirring rack. Working attachment 3 includes an elongated cylinder 33 that houses a shaft 34. One end of the elongated cylinder 33 forms a connecting element 30, configured to be mounted within the housing 1. The connecting element 30 surrounds a rotary drive component 31 disposed on one end of the shaft 34. The other end of the elongated cylinder 33 forms an open bell-shaped cover 35, which surrounds a cutter 36 mounted on the other end of the shaft 34.

[0038] like Figure 1 As can be seen from the figure, the housing 1 houses the motor 10. In the exemplary embodiment shown in the figure, the housing 1 includes two outer half-shells 4 and 5, which are joined together by screws and / or by clamping.

[0039] The housing 1 has a handle 6 configured for use with a plurality of rotary working tools 2 or with working attachments 3. In the exemplary embodiment shown in the figure, the handle 6 is a closed handle. The handle 6 has an elongated gripping area 7. The handle 6 extends between the front post 8 and the rear post 9 of the housing 1. The handle 6 is connected to the main part of the housing 1 housing the motor 10 via the front post 8 and via the rear post 9. As a variation, the handle 6 may in particular be an open handle, which is connected to the main part of the housing 1 housing the motor 10 via a single post.

[0040] Housing 1 has two first drive outputs 11, one of which is in Figure 1 As can be seen, the two first drive outputs 11 are driven by the electric motor 10 and configured to drive one of the rotary working tools 2. A return angle transmission device is arranged between the electric motor 10 and the two first drive outputs 11. Preferably, the transmission device also forms a reduction gear.

[0041] like Figure 2 As can be better seen from the image, housing 1 has an opening 13 configured for mounting the working accessory 3. The opening 13 is located on the rear surface of housing 1. The opening 13 faces the motor 10. Housing 1 has a second drive output 12 driven by the motor 10. Preferably, the second drive output 12 is arranged in the shaft of the motor 10 and is directly engaged and driven by the motor 10.

[0042] Figure 3 The internal portion 32 of the connecting element 30 is shown. The connecting element 30 is configured to be installed in the opening 13 of the housing 1, as... Figure 1The inner portion of the connecting element 30 has a plurality of inner hooking parts 37. The rotational drive part 31 is configured to be driven by the second drive output 12 when the connecting element 30 is mounted in the opening 13 of the housing 1. The plurality of inner hooking parts 37 is configured to engage in the housing 1 when the working accessory 3 is mounted in the opening 13.

[0043] In the exemplary embodiment shown in the figures, the connecting element 30 has an annular rim 38 and an annular wall 39. The inner portion 32 of the working accessory 3 that engages with the plurality of retaining parts 14 belongs to the annular wall 39. The plurality of inner hooking parts 37 is arranged on the inside of the annular wall 39. In the exemplary embodiment shown in the figures, two inner hooking parts 37 are arranged in opposite fashion on the inside of the annular wall 39.

[0044] The second drive output 12 is configured to drive the rotational drive part 31 of the working accessory 3 mounted in the opening 13.

[0045] The housing 1 has a plurality of retaining parts 14, which are arranged in the housing 1 and can be accessed through the opening 13. Figure 4 to Figure 7 The plurality of retaining parts 14 is arranged on the outer portion 16 of the protrusion 15, which is arranged inside the housing 1 around the second drive output 12. The protrusion 15 has a truncated conical end 17. In the exemplary embodiment shown in the figures, two retaining parts 14 are arranged in opposite fashion on the inside of the housing 1 around the second drive output 12.

[0046] As can be seen better in Figure 4 and Figure 5 , the plurality of retaining parts 14 is arranged on the outer portion 16 of the protrusion 15, which is arranged inside the housing 1 around the second drive output 12. The protrusion 15 has a truncated conical end 17. In the exemplary embodiment shown in the figures, two retaining parts 14 are arranged in opposite fashion on the inside of the housing 1 around the second drive output 12.

[0047] The housing 1 accommodates a structural part 20, which can be seen better in Figure 5 , Figure 6 and Figure 7 . The structural part 20 is arranged in the housing 1 behind the opening 13. The structural part 20 forms a cavity 21 leading to the opening 13, which can be seen in Figure 2 to Figure 4 . As can be seen in Figure 2 to Figure 5 , the plurality of retaining parts 14 is carried by the structural part 20. The plurality of retaining parts 14 is arranged in the cavity 21. In the exemplary embodiment shown in the figures, the structural part 20 is fastened on the electric motor 10.

[0048] In the exemplary embodiment shown in the figures, the truncated conical end 17 is formed by an annular cover 18. As can be seen inFigure 5 As can be seen, the annular cover 18 is mounted on the structural component 20. Figure 6 In the middle, the annular cover 18 has been removed. For example... Figure 6 As can be seen, the second drive output 12 passes through the structural component 20. Figure 6 In the exemplary embodiment shown, the structural member 20 surrounds the second drive output 12. As a variation, the structural member 20 may in particular have a notch or recess that provides a channel for the second drive output 12.

[0049] The opening closure device 13 can be configured to conceal the second drive output 12 when the working accessory 3 is not installed in the housing 1.

[0050] exist Figure 8 to Figure 10 In the variant embodiment shown, the sliding door 23 is mounted in the housing 1. The door 23 is mounted so that it can... Figure 8 and Figure 9 The opening position shown is the same as Figure 10 The device moves between the shown closed positions. In the open position, opening 13 is open. The working accessory 3 can be placed inside the housing 1. In the closed position, opening 13 is closed by the valve 23. The working accessory 3 cannot be placed inside the housing 1.

[0051] Structural member 20 forms a slide rail 22 on which a valve 23 slides. Structural member 20 extends in the rear column 9. Therefore, the valve 23 is arranged inside the housing 1. In the exemplary embodiment shown in the figure, structural member 20 is held between the two assembled outer half-shells 4, 5. Figure 9 A structural member 20 is shown arranged in one of the outer half-shells 4. More specifically, the structural member 20 is arranged between the rear ends of the two outer half-shells 4, 5 and the motor 10.

[0052] The valve 23 may have an operating member 26. Preferably, the operating member 26 is protruding. Preferably, when the valve 23 is in the open position, the operating member 26 is adjacent to the opening 13, such as... Figure 8 As can be seen from this, this arrangement allows most of the valve 23 to retract into the housing 1. For this purpose, the two outer half-shells 4 and 5 can each have recesses 4' and 5', such as... Figure 6 As can be seen, these recesses 4' and 5' are designed to accommodate part of the control component 26 when the valve 23 is in the open position.

[0053] like Figure 10As can be better seen, the slide rail 22 has multiple guide ribs 24, and the valve 23 has multiple guide recesses 25. When the valve 23 moves between the open and closed positions or between the closed and open positions, the multiple guide recesses 25 slide on the multiple guide ribs 24. The slide rail 22 may have protrusions 27, 28, which form hard points for holding the valve 23 in the open position, as shown in... Figure 8 As can be seen, it can be kept in the closed position, such as in Figure 10 This can be seen from the text.

[0054] Figure 8 to Figure 10 The housing 1 shown can be connected to the following manner Figure 1 to Figure 3 The working attachment 3 shown is used together. The user lifts the valve 23 to open the opening 13. The user then inserts the connecting element 30 into the opening 13 by engaging the annular edge 38 of the connecting element 30 around the protrusion 15. Thus, the protrusion 15 guides the insertion of the working attachment 3. The annular edge 38 is stopped in the cavity 21. The protrusion 15 is covered by the annular wall 39. The user then rotates the working attachment 3 relative to the housing 1 to engage the plurality of internal hook parts 37 with the plurality of retaining parts 14.

[0055] In the exemplary embodiment shown in the figure, the plurality of internal hook members 37 and the plurality of retaining members 14 belong to a bayonet-type locking device. As a variation, the plurality of internal hook members 37 and the plurality of retaining members 14 may in particular belong to a screw-type locking device, and may also belong to a quarter-turn type screw-type locking device if desired.

[0056] To remove the working attachment 3, the user rotates the working attachment 3 in the opposite direction relative to the housing 1 so that the multiple internal hook parts 37 disengage from the multiple retaining parts 14. After removing the working attachment 3, the user can lower the valve 23 to close the opening 13.

[0057] As a variation, the valve 23, designed to close the opening 13, is not necessarily located inside the housing 1. If necessary, the valve 23 can be located outside the housing 1.

[0058] As a variation, the valve 23, designed to close the opening 13, is not necessarily slidably mounted on the structural member 20 arranged inside the housing 1. If desired, the valve 23 can be slidably mounted on one of the outer half-shells 4 and 5.

[0059] As a variation, the valve 23, designed to close the opening 13, is not necessarily slidably mounted. In particular, the valve 23 can be pivotally mounted on or within the housing 1.

[0060] As a variant, the opening 13 can be closed by a removable plug. If necessary, the plug can be engaged with the plurality of retaining members 14, the plug being mounted on the housing 1 in a similar manner to the working accessory 3.

[0061] As a variant, the housing 1 can have at least one and preferably two first drive outputs 11 driven by the electric motor 10, the one or more first drive outputs 11 being configured to each drive a removable rotary working tool 2.

[0062] As a variant, other types of rotary working tools 2 can be envisaged. The rotary working tool 2 is not necessarily a whisk, but can in particular be a kneading hook.

[0063] As a variant, other types of working accessories 3 can be envisaged. The working accessory 3 is not necessarily a stirring rack, but can in particular be a mashing accessory or an accessory for crushing ice.

[0064] Of course, the application is in no way limited to the embodiments and variants thereof described and illustrated above, which are given as examples. There can be some modifications, in particular in the constitution of the various elements or by substitution of equivalent techniques, without leaving the scope of the application.

Claims

1. A housing (1) of a multifunctional cooking preparation household appliance designed to be hand-held, which accommodates an electric motor (10), said housing (1) having at least one and preferably two first drive outputs (11) driven by said electric motor (10) and configured to (each) drive a removable rotary working tool (2), said housing (1) having an opening (13) configured for mounting a removable working accessory (3), said housing (1) having a plurality of holding components (14) configured to engage with a connecting element (30) of a working accessory (3) mounted in said opening (13), said housing (1) having a second drive output (12) driven by said electric motor (10) and configured to drive a rotary drive component (31) of a working accessory (3) mounted in said opening (13), around said second drive output (12) being arranged a protrusion (15) arranged inside said housing (1), said plurality of holding components (14) being carried by a structural member (20) arranged in said housing (1) behind said opening (13), said structural member (20) forming a cavity (21) leading into said opening (13), said plurality of holding components (14) being arranged in said cavity (21), characterized in that, The plurality of retaining components (14) are disposed on an outer portion (16) of the protrusion (15) and are configured to engage with an inner portion (32) of the connecting element (30), the protrusion (15) being arranged in the cavity (21).

2. The casing (1) of a multifunctional cooking and preparation household appliance designed to be hand-held according to claim 1, characterized in that, The protrusion (15) has a frustoconical tip (17).

3. The casing (1) of a multifunctional cooking and preparation household appliance designed to be hand-held according to claim 1, characterized in that, The protrusion (15) has a frustoconical tip (17) and the frustoconical tip (17) is formed by an annular cover (18) mounted on the structural element (20).

4. The casing (1) of a multifunctional cooking and preparation household appliance designed to be hand-held according to claim 1, characterized in that, The second drive output (12) passes through the structural element (20).

5. The casing (1) of a multifunctional cooking and preparation household appliance designed to be hand-held according to claim 4, characterized in that, The protrusion (15) has a frustoconical tip (17) and the frustoconical tip (17) is formed by an annular cover (18) mounted on the structural element (20).

6. The casing (1) of a multifunctional cooking and preparation household appliance designed to be hand-held according to any one of claims 1 to 5, characterized in that, The structural element (20) forms a slide rail (22) on which a shutter (23) slides, the shutter (23) being able to be in an open position in which the opening (13) is open and in a closed position in which the opening (13) is closed by the shutter (23).

7. The casing (1) of a multifunctional cooking and preparation household appliance designed to be hand-held according to claim 6, characterized in that, The slide rail (22) has a plurality of guide ribs (24) and the shutter (23) has a plurality of guide notches (25) that slide on the plurality of guide ribs (24) when the shutter (23) is displaced between the open position and the closed position or between the closed position and the open position.

8. The casing (1) of a multifunctional cooking and preparation household appliance designed to be hand-held according to any one of claims 1 to 5, characterized in that, The structural element (20) extends in a rear upright (9) of the housing (1).

9. The casing (1) of a multifunctional cooking and preparation household appliance designed to be hand-held according to claim 8, characterized in that, The housing (1) has a handle (6) extending from the rear upright (9).

10. The casing (1) of a multifunctional cooking and preparation household appliance designed to be hand-held according to any one of claims 1 to 5, characterized in that, The housing (1) comprises two outer half-shells (4, 5) and the structural element (20) is held between the two outer half-shells (4, 5) assembled together.

11. A multifunctional cooking preparation household appliance comprising a casing (1) designed to be hand-held and a removable working accessory (3) configured to be mounted in said casing (1), said working accessory (3) comprising a rotary drive member (31) and a connecting element (30), characterized in that, The housing (1) complies with at least any one of claims 1 to 10.

12. The multi-functional cooking-preparation household electrical appliance according to claim 11, characterized by the fact that, The inner portion (32) has a plurality of inner hooking components (37) that engage with the plurality of retaining components (14) when the working accessory (3) is mounted in the opening (13).

13. The multi-functional cooking preparation domestic appliance according to any one of claims 11 or 12, characterized in that, The inner portion (32) belongs to an annular wall (39) of the connecting element (30).

14. The multi-functional cooking-preparation household electrical appliance according to claim 13, characterized by the fact that, The annular wall (39) shrouds the protrusion (15) when the working accessory (3) is mounted in the opening (13).

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