WO2007020161A1

WO2007020161A1 - Handmixer comprising a premounting support for a motor and a battery

Info

Publication number: WO2007020161A1
Application number: PCT/EP2006/064681
Authority: WO
Inventors: Aleksander Sedovsek; Darko Ogrizek; Uros Semeja
Original assignee: BSH Bosch und Siemens Hausgeräte GmbH
Priority date: 2005-08-17
Filing date: 2006-07-26
Publication date: 2007-02-22
Also published as: DE102005038920A1; DE202006020004U1; DE102005038920B4

Abstract

The invention relates to a handmixer (2) which comprises a housing (5) which comprises a motor (47) and a battery (6). According to the invention, the motor (47) and the battery (6) are fixed to a premounting support (48) which can be mounted in the housing (5). The invention also relates to a method for producing a handmixer (2). The invention is characterised in that said handmixer (2) can be mounted in a significantly easier manner due to said premounting support (48), and the premounting support (48) can be adapted to the mounting tool.

Description

Hand blender with a pre-assembly carrier for one

Engine and a battery

The invention relates to a hand blender comprising a housing and a motor therein and an accumulator therein and a Vormontageträger for a blender and a method for producing a hand blender with a housing, a motor therein and an accumulator therein.

From DE 37 09 573 A1 discloses a hand blender is known, which has a motor disposed in a housing part motor for driving a blender and can be assembled without screw and adhesive connections. For this purpose, the individual components are arranged one below the other and equipped with lugs and projections for mutual hooking or Verklipsen that after assembly of all parts a completely assembled hand blender is created, which is completely closed in its outer contour completely. The motor is accommodated on the drive-side end via an elastically resilient bearing axially displaceable in the device housing. A circuit board has two tabs, which are inserted together with the circuit board in the engine provided slot openings for power supply from above.

The object of the invention is to simplify the installation of the hand blender.

This object is achieved according to the invention by the blender and by the method for producing a stick blender as specified in the independent claims. Further advantageous embodiments and developments, which can be used individually or combined with each other, are the subject of the respective dependent claims.

The hand blender according to the invention comprising a housing and a motor located therein and an accumulator therein, provides that the motor and the accumulator are fixed to a pre-assembly carrier which can be inserted into the housing and which is fastened to the housing. The preassembly carrier allows the motor and the accumulator to be preassembled and used as an integral unit in the housing. For this purpose, the pre-assembly carrier may have suitable receptacles through which the pre-assembly carrier can be grasped easily and reliably by an assembly tool. As a result, the items must not be individually attached to the housing. In particular, the pre-assembly carrier absorbs the engine and must therefore be able to reliably absorb the torque generated by the engine together with the housing.

Advantageously, the pre-assembly carrier is adhesive-free and / or unscrewed connected to the housing. The pre-assembly carrier can only be inserted or inserted into the housing and thus requires no further attachment steps. With the help of the pre-assembly carrier, the assembly of the hand blender can be made considerably more flexible and thus simpler. The housing has, in particular, two half-shells which are placed one upon the other during the closing of the housing along a first connecting line formed by their edges.

The pre-assembly carrier has, for example, locking elements, with which it is fixed to corresponding counter-elements on the housing, in particular clipped, is. By such locking elements or counter-elements, a robust fixation of the motor and the accumulator in the housing is effected in a simple manner.

At the Vormontageträger also control electronics can be attached. The control electronics is clipped in particular by means of first locking means to the pre-assembly carrier. Again, the screwless or adhesive-free connection leads to a simplification of the assembly.

In addition, electrical switches, in particular a power switch, can be attached to the preassembly carrier, preferably clipped by means of second latching means. This allows the pre-assembly carrier to record all essential mechanical and electrical elements of the hand blender.

The engine and / or the accumulator is advantageously clipped to the pre-assembly carrier. The engine and / or the accumulator may also be used in a tag carrier formed sleeve are inserted. The motor can be clamped to the pre-assembly carrier with a clamp.

The pre-assembly carrier is in particular made of plastic and can be molded by injection molding.

The pre-assembly carrier is held in the housing in particular by means of supports, preferably supporting ribs. Further supports or support ribs can directly support the motor or the accumulator and the other parts fastened to the preassembly support.

Advantageously, the housing has two housing shells which can be assembled and which can be connected in a gap-free manner, in particular by means of a housing groove or housing spring.

By manufacturing the pre-assembly of plastic flexibility required for a clipping is combined with sufficient for a sufficient stable hold of the motor in the housing strength, whereby a robust, reliable and durable fixation of the electrical, mechanical and electro-mechanical components is achieved in the hand blender, while the Installation of the hand blender is greatly simplified.

The pre-assembly carrier according to the invention is suitable for the hand blender according to the invention. In particular, the pre-assembly carrier is designed and determined accordingly to be used in the hand blender according to the invention.

The inventive method for producing a stick blender with a housing, a motor therein and an accumulator therein comprises the following steps: pre-assembly of the motor and the accumulator on a pre-assembly carrier; Placing the pre-assembly carrier with motor and accumulator in the housing; Close the case.

By pre-assembling the motor and the accumulator to the pre-assembly, the installation of the blender can be considerably simplified, since the mounting bracket can be adapted to the mounting tool. While in the prior art, the items were mounted directly into a housing of the blender, wherein during the Mon- - A -

special care had to be taken with respect to the outside of sensitive housing parts and in particular oil or grease stains or scratches were to be avoided, the pre-assembly support can be designed so that it can be easily grasped and processed by a mounting tool.

The introduction of the stocked with the motor and the accumulator pre-assembly in the housing is advantageously carried out without screws and without adhesive. In a suitable embodiment of the pre-assembly carrier, it is sufficient to insert the assembled pre-assembly carrier into the housing in order to effect a reliable fastening of the motor and the accumulator. Closing the housing fixes the pre-assembly carrier with the motor and the accumulator in the housing. The engine and the accumulator can be clipped to the pre-assembly carrier. Advantageously, the pre-assembly carrier is clipped to the housing. Overall, this can reduce the number of required screw and thus reduces the time for mounting the hand blender and thus the cost can be reduced.

Further advantageous details and particular embodiments will be explained in more detail with reference to the following drawing, which does not limit the present invention, but is intended to illustrate only by way of example.

They show schematically:

1 shows a kitchen appliance according to the invention, which is designed as a hand blender, in a perspective plan view;

FIG. 2 shows the blender according to FIG. 1 in a perspective exploded view; FIG.

FIG. 3 shows the kitchen appliance according to the invention according to FIG. 1 with a loading station in a perspective oblique view obliquely from above; FIG.

FIG. 4 shows the kitchen appliance and the charging station according to FIG. 3 in a further perspective oblique view from below; FIG. Figure 5 shows the kitchen appliance according to the invention of Figure 1 in a side view, wherein the kitchen appliance is placed in a charging station, which is shown in cross section ..;

FIG. 6 shows the hand blender according to the invention according to FIG. 2 with an opened housing clamping cover and partially cut-out edge in a perspective oblique view from the side; FIG.

FIG. 7 shows the blender according to FIG. 6 with the lid closed; FIG.

FIG. 8 shows a charging station according to the invention according to FIG. 4 in a side view with a partially cut open charging station housing; FIG.

9 shows the kitchen appliance and the charging station according to FIG. 3 in a perspective view

Oblique view from diagonally above.

FIG. 1 shows a kitchen appliance 1 according to the invention, which is designed as a hand blender 2. A tool 17 designed as a cutting or purging unit is mounted on the hand blender 2 with the aid of a bayonet closure 72. The tool 17 has a tool head 46 which has corresponding blades or mixing elements (not shown). The hand blender 2 has a housing 5 with a first housing shell 56, a housing clamping lid 63 designed as a clamping element 61 and a second housing shell 57 (see FIG. 2). A charge status indicator 27 indicates whether the stick mixer 2 is ready for operation, in particular whether it is sufficiently charged. With the help of a switch 67 of the stick mixer 2 is put into operation. However, the power switch 67 is effective only when unlocked by a safety switch 69. By separate from the power switch 67 safety switch 69 an electrical lock is effected, which unlocks the power switch 67 only after a time delay after pressing the safety switch 69 and releases. This ensures that the hand blender 2 is not unintentionally put into operation, whereby in particular the safety is increased in a household with children.

FIG. 2 shows a blast mixer 2 according to the invention in a perspective exploded view with a housing 5 which extends through a first housing shell 56, a second housing shell 56 Housing shell 57 and a Gehäuspanndeckel 63 is formed. The housing 5 accommodates a motor 47, a control electronics 51 on a circuit board 78 and an accumulator 6. The motor 47, the board 78 with the control electronics 51 and the accumulator 6 are mounted on a preassembly carrier 48. The motor 47 and the accumulator 6 are attached to the insertable into the housing 5 preassembly carrier 48. The preceding day carrier 48 is connected to the housing 5 free of adhesive and unscrewed. For this purpose, the pre-assembly carrier 48 locking elements 49, 74, with which it is fixed to corresponding counter-elements 50 on the housing 5, for example by clipping. The control electronics 51 is clipped by means of first locking means 52. Also, an electrical switch 67, 69, a power switch 67 and a safety switch 69 are clipped to the preceding day carrier 48 by means of second latching means 53. The motor 47 and the accumulator 6 are clipped to the preassembly carrier 48. Due to the pre-assembly capability and the screw-free connectivity of the individual components, the production of the hand blender 2 can be considerably simplified and made less expensive. The two housing shells 56, 57 are connected to each other along a housing groove 58 or housing spring 59 along a first connecting line 64, which is formed by the edges 66 of the two housing shells 56, 57, gap-free. The Gehäuspanndeckel 63 is connected along a second connecting line 65 with the two housing shells 56, 57 substantially gap-free. The housing clamping cover 63 serves as a clamping element 61, which connects the two housing shells 56, 57 with one another by means of a fastening means 60. The clamping element 61 engages the first housing shell 56 at least two separate attachment points 62 and presses the first housing shell 56 at the two attachment points 62 against the second housing shell 57. The pre-assembly support 48 with the motor 47 and the accumulator 6 is by means of supports 54th supported in the housing shells 56, 57 and thus fixed glue-free and without screws. On the accumulator 6, a safety device 7 is provided, which counteracts the accumulator 6 against an overpressure, a formation of metallic lithium at the electrodes of the accumulator 6 or a formation of gas in the accumulator 6. In addition, a control device 26 with a temperature sensor 25 ensures that the accumulator 6 is protected from excessive temperature fluctuations, which could result in an impairment of the performance of the accumulator 6 (intermediate or persistent). The control device 26 can regulate the temperature of the accumulator 6 to a temperature range. With the help of the safety device 7, a maximum charging current or a maximum discharge current is specified, whereby the safety of the lithium-ion secondary battery 6 is increased. The circuit board 78 is fastened to the preassembly carrier 48 with the aid of first latching means 52. A power switch 67 and a safety switch 69 are clipped with the aid of second locking means 53 on the board 78. The first housing shell 56 has, in the area of the switches 67, 69, a rubber membrane 89 molded with a 2K technique, which protects the switches 67, 69 underneath. The power switch 67 is unlocked by the safety switch 69 by the safety switch 69 is actuated a short moment before the power switch 67. For this purpose, a time integration circuit 70 is provided, which only allows a release with a delay of 0.3 sec. The safety switch 69 and the time integration circuit 70 form an electronic lock 68 for the blender 2. The state of charge of the accumulator 6 is indicated by means of a charge state indicator 27. The charge status indicator 27 has an LED display 28 on the board 78, the light is passed through a light guide 73 to the outside. A tool 17 (see FIG. 3) is connected to the stick mixer 2 by means of a bayonet closure 72, a rotor 75 of the motor 47 being connected in a rotationally fixed manner to a shaft 76 (see FIG. 3) of the tool 17. The two housing shells 56, 57 are connected to each other at the tool-side end of the hand blender 2 by means of screw fastening means 55. For charging the accumulator 6 two designed as spring elements 22 sliding contacts 10, 1 1, each provided with a grinder 13, 14 have. With the help of the two sliding contacts 10, 1 1, an electrical coupling 9 for the transmission of electrical energy from a charging station 8 (see FIG. 3) is provided on the stick mixer 2. The two grinders 13, 14 are guided by means of feedthroughs 19 through a wall 29 of the second housing shell 47.

FIG. 3 shows the hand blender 2 according to the invention according to FIG. 2 with a loading station 8 and a tool 17 in a perspective oblique view obliquely from above. The accumulator 6 operated blender 1 and the charging station 8 for the blender 2 for charging the battery 6 form a charging system 3, wherein the blender 2 during charging of the accumulator 6 with the charging station 8 via an electrical coupling 9 is connectable. With the aid of the coupling 9, electrical energy is transferred from the charging station 8 to the hand blender 2. The coupling 9 allows a rotation of the blender 2 relative to the charging station 8, so that the blender 2 can be used easily and without accurate alignment of its angle of rotation 12 relative to the charging station 8 in the charging station 8. The coupling 9 has two sliding contacts 10, 11 with two grinders 13, 14 and two Slip rings 15, 16 and allows a rotation angle 12 to more than 360 °. As a result, a particularly simple coupling of the blender 2 with the charging station 8 is made possible. The slip rings 15, 16 form electrical contact surfaces 33 for producing a galvanic contact of the rechargeable battery 6 in the hand blender 2 with the charging station 8. The charging station 8 is electrically connected to an external power supply (not shown). The charging station 9 forms a holder 4 for the blender 2 and can be fastened to a wall 30 (see FIG. 5) with a mounting surface 24 or placed on a surface 31, such as a kitchen worktop, by means of a standing surface 23. The holder 4 has a tool holder 18 for the tool 17, for which the tool holder 18 has a receiving base 34 with corrugations 35 which are adapted to the shape of the tool head 46 and its contour 45 such that a secure holding of the tool 17 is ensured when the tool 17 is placed in the tool holder 18. If the holder 4 is fastened to the wall 30 (see FIG. 5), the tool 17 can also be hooked into the tool holder 18 by the tool 17 being inserted through a radial gap 36 of the annular tool holder 18. The charging station 8 has electrical leads 32 that can be connected to an external power supply (not shown). The hand blender 2 and the tool 17 are fixed by means of a bayonet closure 72 by rotation about 120 ° about a longitudinal axis 20. Here, a shaft 76 of the tool 17 coupled to the rotor 75 (see FIG. 2) of the motor 47. The power level of the stick mixer 2 can be adjusted by means of an actuating means 71. In particular, it is possible to choose between different speed or power levels, such as 100 W, 200 W and 300 W, for example. The multifunctional holder 4 for the blender 2 and the blender 2 represent an assembly 40 which is particularly advantageous for the use of the blender 2. In particular, the stick mixer 2 can be grasped and used in a simple manner without disturbing the electrical cable. After use, the hand blender 2 can be quickly and easily placed in the charging station 8. With the help of the holder 4, the hand blender 2 can be placed both on a surface 31 and attached to a wall 30 such as a kitchen wall or a cabinet wall.

FIG. 4 shows a hand blender 2 according to the invention with the charging station 8 according to FIG. 3 in a perspective oblique view. The power switch 67 and the safety switch 69 are separated from each other by an effective distance D. Operational means here means that two fingers must have this distance D, so that the Both switches can be operated effectively. This ensures that operation of the hand blender 2 can not be triggered by accident or accidentally with a single finger. The loading system 3 has the first slider 13 and the second slider 14, each having a distance from the longitudinal axis 20 corresponding to the radius R1, R2 of a slip ring 15, 16. The two slip rings 15, 16 (see FIG. 3) can be electrically contacted by means of contact legs 77. The holder 4 can be held on a wall 30 by means of a mounting plate 37 (see FIG. 5). The mounting plate 37 is fixed to the holder 4 by means of a mounting plate groove 38. Due to the 360 ° coupling 9, the hand blender 2 can effortlessly be placed in the loading station 8 without having to pay particular attention to the orientation of the stick mixer 2 relative to the positioning station 8. By means of guide surfaces 87 which are chamfered with respect to a coupling direction 88, along which the kitchen appliance 1 is inserted and coupled into the charging station 8, coupling of the kitchen appliance 1 to the charging station 8 is further facilitated. The guide surfaces 88 may be funnel-shaped. With the aid of the guide surfaces 88, the kitchen appliance 1 is brought to the correct position in the charging station 8.

5 shows the hand blender 2 according to the invention in a side view, wherein the kitchen appliance 1 is placed in a charging station 8, which is shown in cross-section. Here, the electric coupling 9 of the blender 2 with the charging station 8 by the first sliding contact 10 with the first grinder 13 and the first slip ring 15 and by the second sliding contact 1 1 with the second slider 14 and the second slip ring 16, is produced. The two slip rings 15, 16 each have contact legs 77, which can be electrically contacted from below. The two slip rings 15, 16 also have fastening legs 21, which at the loading station 8 a hook and thus secure attachment of the two slip rings 15, 16 produce. The holder 4 can stand with rubber feet 44 on a surface 31 (see Fig. 3). However, it can also be screwed by means of a mounting plate 17, which is fixed by a mounting plate 38 and a mounting plate spring 39 to the holder 4 by means of a screw 33 to a wall 30. The housing 5 of the stick mixer 2 is connected by means of a housing clamping cover 63 along a second connecting line 65 on the two housing shells 56, 57. FIG. 6 shows the hand blender 2 according to the invention according to FIG. 1 with an opened clamping cover 63 and a partially cut second housing shell 57. The housing clamping cover 63 forms a clamping element 61, by which the first housing shell 56 is clamped to the second housing shell 57 such that a substantially gap-free connection between the two housing shells 56, 57 along the first connecting line 64 is produced. For this purpose, the housing clamping lid 63 engages with the aid of a fourth connecting element 64 in a corresponding receptacle on the first housing shell 56, and a first connecting member 79 and a second connecting member 80 with respective connecting projections 82 engage behind at two separate connection points 62 in corresponding separate connection receptacles 83. A fourth connecting element 84 engages in a cover receptacle 46 on the first housing shell 56. When the housing clamping cover 63 is connected to the second housing shell 57 by means of a third connecting element 81 and a screw connection 85, the respective projections 82 press the first housing shell 56 against the two separate connection points 62 second housing shell 57. In this way, a gap-free connection of the two housing shells 56, 57 is also accomplished if manufacturing tolerances along the first connecting line 64 (eg inaccuracies on the housing groove 58 or on the Geh äusefeder 59 of the housing shells 56, 57) complicate the closing of the two housing shells 56, 57.

6 shows a closed housing clamping lid 63 in a perspective side view with a partially cut second housing shell 57. It can be seen that the connecting projection 82 engages behind the connection receptacle 83 and consequently the two edges 66 of the housing shells 56, 57 compressed at the two attachment points 62.

Fig. 8 shows the charging station 8 designed as a holder 4, which is partially cut from the side with the tool holder 18. The holder 4 has rubber feet 44 on its base 23. The holder can be fixed to a wall 30 (see FIG. 5) by means of the mounting plate 37. For this purpose, first 41 and second 42 oblong holes are used, with which a simple screw connection to the wall 30 can be made. The slots 41, 42 allow alignment of the mounting plate 37 in the vertical and horizontal directions and thus allow a particularly simple attachment of the holder 4 to the wall 30th 9 shows the hand blender 2 according to the invention with the holder 4 designed as a charging station 8 in a perspective oblique view. Evident are formed on the loading station 8 slip rings 15, 16, which are fixed by means of fastening legs, which barbs (not shown) may be attached to the holder 4. The tool holder 18 has corrugations 15, which are adapted to the contour 45 of the tool 17 such that the tool 17 stands securely in the tool holder 18. With the aid of the radial gap 36, the tool 17 can be suspended in the tool holder 18.

In the following, various other aspects related to the invention will be described. The individual aspects can each be applied individually, i. independently of each other, or combined with each other as desired:

A particularly advantageous electromotive kitchen appliance 1, which is independent of the mains, has a lithium ion accumulator 6 or a lithium polymer accumulator. The accumulator 6 may have a specific capacity in a range of 50 Ah / kg to 130 Ah / kg, more preferably 60 Ah / kg to 80 Ah / kg. In particular, a safety device 7, in particular a protective circuit, is provided for the accumulator 6, the safety device 7 advantageously counteracting excessive overpressure and, in particular, having an overpressure blow-out opening for this purpose. The safety device 7 may also have a temperature sensor 20 for the accumulator 6. The safety device can regulate the temperature of the accumulator 6. Advantageously, an electronic control device 26 is provided which monitors the charging and discharging of the accumulator 6 and optionally limits the charging or discharging current. The maximum power that can be delivered by the accumulator 6 is in particular in a range from 200 W to 800 W, in particular in a range from 250 W to 400 W. The kitchen appliance 1 is designed in particular as a hand mixer, preferably as a hand blender 2. In a special embodiment, a state of charge indicator 27 for the accumulator 6, in particular an LED display 28, is provided.

A preferred charging system 3 comprises a kitchen appliance 1 operated by a rechargeable battery 6, in particular a hand blender 2, and a charging station 8 for the kitchen appliance 1 for recharging the rechargeable battery 6, the kitchen appliance 1 being charged with the charging station 8 by means of a coupling 9 for recharging the rechargeable battery 6 is connectable to electrical to transfer energy from the charging station 8 to the kitchen appliance 1, wherein the coupling 9 allows rotation of the kitchen appliance 1 relative to the charging station 8. The coupling 9 preferably permits a rotation, in particular about the vertical, by a rotation angle 12 of more than 90 °, in particular more than 180 °, preferably more than 360 °. In a special embodiment, the coupling 9 at least two sliding contacts 10, 11 with two grinders 13, 14 and two slip rings 15, 16, wherein the two slip rings 15, 16 may be arranged concentrically and may have different radii R1, R2 or two slip rings 15, 16 may be arranged coaxially offset. The two slip rings 15, 16 are advantageously attached to the charging station 8. To avoid electrolytic corrosion by liquid splashes on the charging station, the two slip rings 15, 16 may be attached to the kitchen appliance 1. Advantageously, the kitchen appliance 1 has a tool holder 18 for a tool 17, and the sliding contacts 10, 11 for the coupling 9 of the kitchen appliance 1 are arranged with the loading station 8 on or in the tool holder 18 such that the sliding contacts 10, 11 on the kitchen appliance 1 are covered by the tool 17 on the kitchen appliance 1 during use of the kitchen appliance 1. The slip rings 15, 16 are punched in particular from a sheet. A slip ring 15, 16 advantageously has at least one contact leg 77 which is angled relative to a plane formed by the slip ring 15, 16 and projects through a passage 19 in a wall 29 on the kitchen appliance 1 or on the loading station 8. A slip ring 15, 16 can have at least two, preferably at least four, attachment legs 21, in particular at an angle formed by the slip ring 15, 16, with which the slip ring 15, 16 is fastened, in particular clipped or hooked. The charging station 8 is advantageously produced by injection molding. The grinders 13, 14 are advantageously designed as spring elements 22 and are based in the coupled state of the kitchen appliance 1 and the loading station 8 resiliently on the slip rings 15, 16 from. Slanted and / or curved guide surfaces 87 on the kitchen appliance 1 and / or on the charging station 8 are advantageously provided with respect to a coupling direction 88 for easier connection of the kitchen appliance to the charging station. The charging station 8 used is suitable and intended for use with the charging system.

A particularly advantageous multi-functional holder 4 for a hand blender 2 comprises a base 23, with which the holder 4 can be placed on a horizontally flat surface 31, and a mounting surface 24, with which the holder 4 on a wall 30th is fastened. It advantageously provides a first tool holder 18 for holding a tool 17, in particular a stirring and / or blending plant. The holder 4 has in particular electrical lines 32 and advantageously forms a charging station 8 for a battery 6 powered blender 2. The holder 4 may be electrical contact surfaces 33, in particular slip rings 15, 16 and / or grinder 13, 14, for electrical contacting of the accumulator 6 operated Stabmixers 2 have. Advantageously, the tool holder 18 is such that the tool 17 can be placed in the tool holder 18 in, so that in particular the tool 17 is located substantially above the tool holder 18. Alternatively or additionally, the tool holder 18 may be such that the tool 17 can be suspended in the tool holder 18, so that in particular the tool 17 is located substantially below the tool holder 18. In a special embodiment, the tool holder 18 has a receiving base 34 which is corrugated and in particular has at least four, advantageously at least five, corrugations 35. The tool holder 18 may be annular, wherein advantageously the annular tool holder 18 has a substantially radial gap 36 with which the tool 17 can be inserted into the annular tool holder 18. The mounting surface 24 is advantageously formed as a releasably attachable to the holder 4 mounting plate 37. The mounting plate 37 may be configured so that it can be clipped to the holder 4. The mounting plate 37 can be inserted and fixed to the holder 4 in particular by means of a mounting plate groove 38 or mounting plate spring 39. It is advantageous if the mounting plate 37 has at least one first slot 41 for attachment to a screw 43 on a wall 3. It is also advantageous if a second slot 42 is provided for attachment of the holder 4 with a screw 43 on a wall 3, which is in particular perpendicular to the first slot 41. A further embodiment provides that rubber feet 44 are provided on the base 23.

A particularly advantageous arrangement comprises the advantageous holder and a stick blender 2, which is held by the holder 4. The arrangement may further comprise a tool 17 for the hand blender 2, in particular a stirring and / or blending plant, wherein the tool 17 is held by the holder 4 by means of a tool holder 18. It is advantageous if the tool holder 18 is shaped according to the contour 45 of a tool head 46. A particularly advantageous hand blender 2 comprises a housing 5 and a motor 47 therein and an accumulator 6 located therein, and provides that the motor

47 and the accumulator 6 are attached to a usable in the housing 5 pre-assembly carrier 48 which is fixed to the housing 5. In an advantageous embodiment, it is provided that the pre-assembly carrier 48 is adhesively-free and / or unscrewed connected to the housing 5. In an advantageous embodiment, it is provided that the pre-assembly carrier 48 has latching elements 49, 74, with which it is fixed to corresponding counter-elements 50 on the housing 5, in particular clipped, is. In an advantageous embodiment, it is provided that an electronic control unit 51 attached to the pre-assembly support 48, in particular clipped by means of first locking means 52, is. In an advantageous embodiment, it is provided that on the pre-assembly carrier

48 electrical switch 67, 69, in particular a power switch 67, attached, preferably clipped by means of second locking means 53 is. In an advantageous embodiment, it is provided that the motor 47 and / or the accumulator 6 is clipped onto the pre-assembly carrier 48. In an advantageous embodiment, it is provided that the pre-assembly carrier 48 is made of plastic, in particular by injection molding. In an advantageous embodiment, it is provided that the pre-assembly carrier 48 is held in the housing 5 by means of supports 54, in particular support ribs. In an advantageous embodiment, it is provided that the housing 5 has two housing shells 56, 57 which can be assembled and which can be connected in a gap-free manner, in particular by means of a housing groove 58 or housing spring 59. In an advantageous embodiment, it is provided that the pre-assembly carrier 48 is molded from plastic, in particular by injection molding.

A particularly advantageous pre-assembly carrier 48 is suitable and intended for the advantageous stick mixer 2.

A particularly advantageous method for producing a stick blender 2 with a housing, a motor 47 located therein and an accumulator 6 therein, comprises the following method steps: preassembly of the motor 47 and the accumulator 6 on a preassembly carrier 48; Introducing the pre-assembly carrier 48 with motor 47 and accumulator 6 in the housing 5; Closing the housing 5. In an advantageous embodiment, it is provided that the motor 47 and the accumulator 6 can be clipped onto the pre-assembly carrier 48. In an advantageous embodiment, it is provided that the pre-assembly carrier 48 can be clipped onto the housing 5. A particularly advantageous hand-held kitchen appliance 1, in particular hand blender 2, with a housing 5 comprises at least a first 56 and a second housing shell 57 and a fastening means 60 for connecting the two housing shells 56, 57 with each other, and provides that the fastening means 60 a Clamping element 61 which engages the first housing shell 56 at least two separate attachment points 62 and the first housing shell 56 presses against the second housing shell 57 at the two attachment points 62. In an advantageous embodiment, it is provided that the clamping element 61 is formed by a housing clamping cover 63, which is separate from the housing shells 56, 57 and which is connected in a gap-free manner to the two housing shells 56, 57 along a second connecting line 65. In an advantageous embodiment it is provided that the clamping cover 63, the two housing shells 56, 57 staples together. In an advantageous embodiment, it is provided that the clamping element 61 has at least a first 79, a second 80 and a third 81 connecting element, wherein the clamping element 61 with the first 79 and second 80 connecting element on the first housing shell 56 and with the third connecting element 81 is attached to the second housing shell 57. In a special development, it is provided that the first 79 and second 80 connecting element is formed by a connecting projection 82 which engages in a connection receptacle 83 on the respective housing shell 56, 57. In an advantageous embodiment, it is provided that the third connecting element 82 produces a screw connection 85. In an advantageous embodiment, it is provided that a fourth connecting element 84 is provided on the clamping element 61, with which the clamping element 61 is attached to the first 56 or second 57 housing shell. In an advantageous embodiment, it is provided that the two housing shells 56, 57 can be connected to one another at a first connecting line 64 formed along their edges 66 by means of a housing groove and housing spring. In an advantageous embodiment, it is provided that the housing shells 56, 57 have clip elements with which the housing shells 56, 57 can be connected to one another. In an advantageous embodiment, it is provided that the kitchen appliance 1 is electromotive, in particular a hand blender 2. In an advantageous embodiment, it is provided that the housing shells 56, 57 are essentially designed as half shells. In an advantageous embodiment, it is provided that the two attachment points 62 at least 2 cm, in particular at least 3 cm, preferably at least 4 cm, are spaced from each other. A particularly advantageous method for producing a kitchen appliance 1, in particular hand blender 2, which has a first 56 and a second housing shell 57 and a housing clamping cover 63, so that a substantially closed housing 5 is formed by the housing shells 56, 57 and the housing clamping cover 63, provides the following method steps: assembling the two housing shells 56, 57 along a first connecting line 64 formed by the edges 66 of the housing shells 56, 57; engaging the housing lock cover 63 with at least two separate attachment locations 62 on the first housing shell 56; Compressing the two housing shells 56, 57 by means of the housing clamping cover 63 such that the first housing shell 56 is pressed against the second housing shell 57 at the two attachment points 62.

A particularly advantageous electromotive kitchen appliance 1, in particular an electromotive hand-held appliance, preferably a hand blender 2, with a power switch 67 provides that a fingerbetätigbare electrical lock 68 is provided for the power switch 67. It is hot to the touch that the latch is suitable and intended to be unlocked manually by a finger. In an advantageous embodiment, it is provided that the lock 68 has a separate from the power switch 67 safety switch 69. In an advantageous embodiment it is provided that an effective effective distance D between the power switch 67 and the safety switch 69 is at least 0.5 cm, in particular at least 0.8 cm, preferably at least 1, 2 cm, and in particular less than 4 cm, in particular less than 3 cm, preferably less than 2.5 cm. In an advantageous embodiment it is provided that the lock 68 has a time integration circuit 70, with which the power switch 67 is unlocked only after a time delay after pressing the safety switch 69. In an advantageous embodiment, it is provided that the time delay of the time integration circuit 70 has a duration of at least 0.1 s, in particular at least 0.2 s, preferably at least 0.3 s. In an advantageous embodiment, it is provided that the lock 68 has a time integration circuit 70, with which the power switch 67 is unlocked only after a time delay after pressing the safety switch 69 for a predetermined time window. In an advantageous embodiment, it is provided that the duration of the time window lies in a range of 0.3 s to 2 s, in particular in a range of 0.5 to 1 s. In an advantageous embodiment is provided in that a further electrical actuating means 71, in particular an electrical tap changer, is provided for setting an electrical power stage of the kitchen appliance 1, the actuating means 71 being provided in particular on, in particular together and in connection with, the on-switch 67. In an advantageous embodiment, it is provided that the safety switch 69 only remains switched on, as long as it is actuated, in particular pressed, is, and otherwise off again.

A particularly advantageous method for switching on / off a kitchen appliance 1, in particular electric motor handset, preferably hand blender 2, which has a power switch 67 and a separate safety switch 69, wherein the on-switch 67 is unlocked when a safety switch 69 is actuated, sees that the safety switch 69 switches electronically. In an advantageous embodiment, it is provided that the power switch 67 is unlocked when the power switch 67 is actuated only after pressing the safety switch 69, in particular time-delayed by a duration of at least 0.1 s, in particular at least 0.2 s, preferably at least 0.3 s. In an advantageous embodiment, it is provided that the unlocking only for the duration of a predetermined time window in a range of 0.3 s to 2 s, in particular in a range of 0.5 s to 1 s, is effective. In an advantageous embodiment, it is provided that the power switch 67 can only be unlocked during the holding of the safety switch 69. In an advantageous embodiment, it is provided that the power switch 67 remains switched on after unlocking even when the safety switch 69 is no longer held.

The invention relates to a hand blender 2 comprising a housing 5 and a motor 47 therein and an accumulator 6 therein and provides that the motor 47 and the accumulator 6 are secured to a preassembly carrier 48 which can be inserted into the housing 5 and which is attached to the housing The invention is characterized in that the assembly of the blender 2 can be considerably simplified with the aid of the preassembly support 48, since the preassembly support 48 can be adapted to an assembly tool. LIST OF REFERENCE NUMBERS

1 cake utensil

2 hand blenders

3 charging system

4 holders

5 housing

6 accumulator

7 safety device

8 charging station

9 clutch

10 first sliding contact

11 second sliding contact

12 rotation angle

13 first grinder

14 second grinder

15 first slip ring

16 second slip ring

17 tool

18 tool holder

19 implementation

20 longitudinal axis

21 attachment legs

22 spring elements

23 floor space

24 mounting surface

25 temperature sensor

26 control device

27 charge status indicator

28 LED display

29 wall

30 wall

31 surface

32 electrical lines 33 contact surfaces

34 receiving floor

35 corrugations

36 radial gap

37 mounting plate

38 mounting plate groove

39 mounting plate spring

40 arrangement

41 first slot

42 second slot

43 screw

44 rubber feet

45 contour

46 Tool head

47 engine

48 pre-assembly carrier

49 locking elements

50 counter elements

51 control electronics

52 first locking means

53 second locking means

54 supports

55 Screw fasteners

56 first housing shell

57 second housing shell

58 housing groove

59 housing spring

60 fasteners

61 clamping element

62 attachment points

63 housing clamping cover

64 first connection line

65 second connecting line

66 edges 67 power switch

68 electrical interlock

69 safety switch

70 time integration circuit

71 actuating means

72 bayonet lock

73 optical fiber

74 locking element

75 rotor

76 wave

77 contact leg

78 board

79 first connecting element

80 second connecting element

81 third connecting element

82 connection projection

83 Connection recording

84 fourth connecting element

85 screw connection

86 lid holder

87 guide surface

88 Coupling direction

89 rubber membrane

D operation effective distance

R1 radius of the first slip ring 15

R2 radius of the second slip ring 16

Claims

claims

A stick blender (2) comprising a housing (5) and a motor (47) located therein and an accumulator (6) therein, characterized in that the motor (47) and the accumulator (6) are connected to one another in the housing (5). 5) are mounted pre-assembly carrier (48) attached to the housing (5).

2. hand blender (2) according to claim 1, characterized in that the pre-assembly carrier (48) is adhesive-free and / or unslotted connected to the housing (5).

3. hand blender (2) according to claim 1 or 2, characterized in that the pre-assembly carrier (48) locking elements (49, 74), with which it is fixed to corresponding counter-elements (50) on the housing (5), in particular clipped, is.

4. Hand blender (2) according to one of the preceding claims, characterized in that on the pre-assembly carrier (48) attached control electronics (51), in particular by means of first latching means (52) clipped, is.

5. hand blender (2) according to one of the preceding claims, characterized in that on the pre-assembly (48) electrical switch (67, 69), in particular a power switch (67) attached, preferably clipped by means of second locking means (53), is.

6. hand blender (2) according to one of the preceding claims, characterized in that the motor (47) and / or the accumulator (6) on the pre-assembly carrier (48) is clipped.

7. blender (2) according to one of the preceding claims, characterized in that the pre-assembly carrier (48) made of plastic, in particular by injection molding, is produced.

8. hand blender (2) according to one of the preceding claims, characterized in that the pre-assembly carrier (48) in the housing (5) by means of supports (54), in particular supporting ribs, is held.

9. hand blender (2) according to any one of the preceding claims, characterized in that the housing (5) comprises two composite housing shells (56, 57), in particular by means of a housing groove (58) or housing spring (59) are connected gap-free.

10. Hand blender (2) according to one of the preceding claims, characterized in that the pre-assembly carrier (48) made of plastic, in particular molded by injection molding, is.

1 1. preassembly carrier (48) for a hand blender (2) according to one of claims 1 to 10.

12. A method for producing a stick mixer (2) with a housing, a motor (47) therein and an accumulator (6) therein, comprising the following method steps:

- preassembling the motor (47) and the accumulator (6) on a pre-assembly carrier (48);

- Introducing the Vormontageträgers (48) with motor (47) and accumulator (6) in the housing (5);

- Close the housing (5).

13. The method according to claim 12, characterized in that the motor (47) and the accumulator (6) on the pre-assembly carrier (48) are clipped.

14. The method according to claim 12 or 13, characterized in that the pre-assembly carrier (48) on the housing (5) is clipped.