Electric appliance with battery pack interface

Abstract

The invention relates to an electric appliance (100), in particular a hand-held power tool, comprising a housing (110) and a battery pack interface (120), on which a battery pack (190) can be locked by means of a locking element (221) associated with the battery pack (190), characterized in that an operating element (150; 450) for directly loading a locking element (221) of the battery pack (190) in order to unlock the battery pack (190).

Description

Technical Field

[0001] The present invention relates to an electric tool, in particular to a handheld power tool having a housing and a battery pack interface, to which a battery pack can be locked by a locking element assigned to the battery pack. Background Art

[0002] The prior art discloses an electric power tool configured as a handheld power tool having a housing and a battery pack interface for accommodating a battery pack. The battery pack has a locking element by which the battery pack can be locked to the battery pack interface of the handheld power tool. To unlock the battery pack, the battery pack has an operating element that, when actuated, forces the locking element into an unlocked position. Summary of the Invention

[0003] The present invention relates to an electric tool, in particular a handheld power tool, having a housing and a battery pack interface, to which the battery pack can be locked by a locking element assigned to the battery pack. An operating element is arranged on the housing for directly acting on the locking element of the battery pack to unlock the battery pack.

[0004] The present invention thus provides an electric appliance in which a battery pack arranged on the electric appliance can be easily and uncomplicatedly unlocked using an operating element arranged on the housing. Thus, for example, if the operating element of the battery pack is difficult to operate, the battery pack can be unlocked using the operating element provided on the housing of the electric appliance.

[0005] Preferably, the operating element is arranged on a handle formed by the housing.

[0006] Thus, when the power appliance is normally held by the handle during operation, the operating element can be actuated without the user of the power appliance having to release the power appliance or change the way of holding it.

[0007] The operating element is preferably biased into the rest position by a spring element.

[0008] Loading the operating element into the rest position can thus be achieved in a simple manner.

[0009] The housing preferably forms a guide section for guiding the operating element.

[0010] Thus, safe and reliable actuation of the operating element is possible.

[0011] The operating element is preferably designed as a pushbutton switch and is arranged between a handle formed by the housing and a receiving area of the housing associated with the battery pack interface.

[0012] Thus, an ergonomic and uncomplicated operation is enabled.

[0013] According to one embodiment, the operating element is designed as a slide switch, wherein the operating element can be moved into the unlocking position by a linear pushing or pulling movement.

[0014] Thus, a suitable replacement operating element can be provided in a simple manner.

[0015] The operating element preferably has an actuation section designed in the form of a ramp for actuating a locking element of the battery pack locked on the battery pack interface.

[0016] Therefore, easy and uncomplicated operation can be achieved.

[0017] The operating element preferably has an end stop which is designed to limit the displacement travel of the operating element when it is moved from the rest position into the unlocking position.

[0018] A defined displacement path of the operating element can thus be predetermined simply and precisely.

[0019] Preferably, the displacement path is greater than the axial length of the locking element to be acted upon, of the battery pack locked on the battery pack interface.

[0020] Therefore, safe and reliable unlocking can be achieved.

[0021] The present invention further relates to an electric appliance as described above having a battery pack. In this case, an operating element of the electric appliance is configured as a locking element for actuating the battery pack, the locking element being arranged on the battery pack that is locked to the battery pack connection. The battery pack has a second operating element configured as actuating the locking element of the battery pack.

[0022] The present invention thus makes it possible to provide an electric appliance having a battery pack, wherein the battery pack arranged on the electric appliance can be easily and uncomplicatedly unlocked by two different operating elements.

[0023] The operating element of the electric appliance is preferably designed as a locking element for directly acting on the battery pack.

[0024] A low-effort unlocking of the battery pack can thus be achieved simply and uncomplicatedly, since a relatively low actuating force is required for actuating the operating element due to the direct application of force.

[0025] Preferably, the locking element of the battery pack is mounted in or on the housing of the battery pack so as to be linearly and / or rotationally movable.

[0026] Therefore, suitable support of the locking element can be achieved easily and reliably.

[0027] The locking element is preferably designed for a non-positive and / or positive connection of the battery pack to the electric appliance, in particular via a side notch.

[0028] Therefore, a safe and robust connection between the battery pack and the electric appliance can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The invention is explained in more detail in the following description based on the exemplary embodiments shown in the accompanying drawings. The drawings show:

[0030] Figure 1 : A partially schematic perspective view of an electric appliance having a handle on which a battery pack is arranged,

[0031] Figure 2 : Figure 1 sectional view of a section of the handle with the battery pack locked thereto, wherein the operating element is in the rest position,

[0032] Figure 3 : Figure 2 sectional view of the operating element in the unlocked position,

[0033] Figure 4 : Figure 1 The arrangement in Figure 1 Schematic diagram of a battery pack on an electric appliance with an alternative operating element in a rest position according to another embodiment,

[0034] Figure 5 :Based on Figure 4 Schematic diagram of an electric appliance with a battery pack arranged thereon, which has a further operating element in the rest position.

[0035] In the figures, elements having the same or similar functions are provided with the same reference numerals and are described in detail only once. DETAILED DESCRIPTION

[0036] Figure 1 An electric device 100 having housings 110 and 180 is shown as an example. The electric device 100 is shown as a handheld power tool, so possible implementations of the present invention will be described in detail below using this as an example. However, it should be noted that the present invention is not limited to handheld power tools, and the electric device 100 may also be configured as a gardening tool, a radio, a construction site lamp, an electric bicycle, etc.

[0037] The housing 110, 180 preferably has a main housing section 180, in which a drive unit (not shown) is preferably arranged, for example, for driving a tool receptacle (not shown). The main housing section 180 is preferably connected to the handle housing section 110, which, as shown, forms a handle 115. The handle 115 is designed for holding the handheld power tool 100. By way of example, the handle 115 is arranged at an angle to the main housing section 180.

[0038] The main housing section 180 and the handle housing section 110 can be implemented in one piece, i.e., as a one-piece housing, or in two pieces, i.e., as two independent housings. Below, by way of example, only the main housing section 180 will be referred to as "housing 180," while only the handle housing section 110 will be referred to as "housing 110."

[0039] The housing 110 or the handle 115 is preferably associated with a receiving area 117. The receiving area 117 is shown as being associated with a battery pack interface 120. A battery pack 190 can preferably be arranged on the battery pack interface 120 for providing a mains-independent power supply to the handheld power tool 100. The battery pack 190 can be mechanically and electrically connected to the handheld power tool 100 via the battery pack interface 120.

[0040] Battery pack 190 has a housing 195. As shown, battery pack 190 is designed as a sliding battery pack that can be pushed into battery pack interface 117 along its longitudinal extension or in axial direction 102 of battery pack 190. Battery pack 190 also has an operating element 192 that is designed to unlock battery pack 190 from battery pack interface 117.

[0041] According to the present invention, an operating element 150 (or Figure 4 and Figure 5 450), a locking element for loading the battery pack 190 ( Figure 2 211 in) to unlock the battery pack 190 from the battery pack interface 120. Preferably, the operating element 150 (or Figure 4 450) is configured for direct load locking elements ( Figure 2 211 in). The operating element 150 is preferably arranged on the handle 115.

[0042] Thus, the battery pack 190 can be unlocked at least additionally via the operating element 150 provided on the housing 110 of the electric device 100, for example, if the operating element 192 of the battery pack 190 is difficult to operate. Furthermore, the battery pack 190 can optionally also be accommodated in an associated housing, for example, to better protect the battery and still enable user-friendly unlocking by providing an additional operating element 150.

[0043] According to one embodiment, the operating element 150 (or Figure 4 450) is manually manipulated by the user of the electric appliance 100. Alternatively or optionally, an actuator may be provided for automatically manipulating the operating element 150 (or Figure 4 450 in). When operating the operating element 150 (or Figure 4 450 in) the battery pack 190 can then be removed from the battery pack interface 120 without releasing or changing the grip.

[0044] According to one embodiment, the operating element 150 is designed as a push button switch. In this case, the operating element 150 is preferably arranged between the handle 115 and a receiving area 117 of the housing 110 that is associated with the battery pack interface 120 .

[0045] Figure 2 Shown arranged in Figure 1 The battery pack interface 120 of the housing 110 is locked Figure 1 The housing 110 preferably has two housing half shells 211, wherein Figure 2 Only one housing half-shell 211 is shown.

[0046] Battery pack 190 is assigned a locking element 221, by which battery pack 190 can be locked to battery pack interface 120 and thus to housing 110. Locking element 221 is preferably mounted linearly and / or rotationally movable in or on housing 195 of battery pack 190.

[0047] As shown, the locking element 221 is rotatably supported on the housing 195 of the battery pack 190. For this purpose, the locking element 221 is rotatably supported on the housing 195 via an axis of rotation 222. The locking element 221 is preferably designed for a non-positive and / or positive connection of the battery pack 190 to the handheld power tool 100, in particular via an undercut.

[0048] In its Figure 2 In the position shown, the locking element 221 is arranged in sections in the receptacle 212 of the housing 110. Here, the upper side 235 of the locking element 221, which faces the housing 110, rests against a housing rib 236 associated with the receptacle 212, in particular against the side 235 of the housing rib 236 that faces the battery pack 190. The housing rib 236 preferably has a notch 233, which the operating element 120 opens in the unlocked position ( Figure 3 301) passes through the slot to unlock the battery pack 190.

[0049] also, Figure 2An operating element 150 is shown, which is designed to act on the locking element 221 in order to unlock the battery pack 190. According to the embodiment shown, the operating element 150 acts directly on the locking element 221. Figure 2 , the operating element 150 is arranged in the rest position 201 . Preferably, the operating element 150 is biased into the rest position 201 by a spring element 231 .

[0050] Furthermore, the housing 110 is configured as a guide region 239 for guiding the operating element 150. For this purpose, the operating element 150 preferably has a pin-shaped actuation section 232. The pin-shaped actuation section 232 is arranged within the housing 110 in the rest position 201. The operating element 150 is preferably arranged sectionally outside the housing 110 on the side opposite the battery pack interface 120. Optionally, the battery pack 190 can be preloaded against the battery pack interface 120 by an additional spring element to facilitate removal in the corresponding removal direction.

[0051] Figure 3 Shown in unlocked position 301 Figure 1 and Figure 2 Battery pack 190 is arranged on housing 110. In unlocked position 301, operating element 150 is actuated, as shown, in the direction of battery pack 190. Here, spring element 231 is compressed, and pin-shaped actuating section 232 is arranged to move along guide area 239. Pin-shaped actuating section 232 partially penetrates slot 233 in housing 110. Locking element 221 is rotated on its top side 223 by pin-shaped actuating section 232 of operating element 150 into the unlocked position. In the unlocked position, locking element 221 is arranged in housing 195 of battery pack 190, allowing battery pack 190 to be removed from battery pack interface 120.

[0052] Figure 4 Show Figure 1 and Figure 2 1 , which has a receiving channel 410 for a battery pack 190 designed as a plug-in battery pack and an alternative operating element 450 assigned to the housing 110 for unlocking the battery pack 190. The operating element 450 is shown diagrammatically in the rest position 201.

[0053] The operating element 450 is preferably designed as a slide switch, which can be moved into the unlocking position 301 by a linear pulling movement along the arrow 401. The operating element 450 can be moved by a pulling movement opposite to the arrow 401 or along the arrow 401.

[0054] The operating element 450 preferably has an actuation section 451, in particular configured in the form of a ramp, for actuating the locking element 221 of the battery pack 190 locked to the battery pack interface 120. By a pulling movement along the arrow 401 or along the longitudinal extension 102 of the battery pack 190 to unlock the battery pack 190 from the housing 110, the locking element 221 is moved by the ramp-shaped operating element 450 from the illustrated locked position into the unlocked position.

[0055] The operating element 450 also includes a driver element 452. The driver element 452 is preferably rigidly connected to the operating element 450. For example, the driver element 452 and the operating element 450 are integrally formed. Alternatively, it is conceivable that the driver element 452 is movably connected to the operating element 450, for example, in the form of a lever. The driver element 452 is preferably configured to apply a force to the battery pack 190 during the pulling movement of the operating element 450. Advantageously, this force can cause the battery pack 190 to move in the removal direction. For example, the loading section 451 and the driver element 452 are arranged separately from each other on the operating element 450. However, it is also conceivable that the driver element 452 and the loading section 451 are integrated into each other. Preferably, the displacement path 403, or distance, between the driver element 452 and the battery pack 190 is greater than the axial length 402 of the locking element 221 of the battery pack 190 to be loaded in the removal direction.

[0056] Figure 5 Shown in Figure 4 The battery pack 190 configured as a plug-in battery pack in the receiving channel 410 of the embodiment of the present invention has an alternative operating element 450. The operating element 450 is similar to Figure 4 The operating element 450 is designed with an exemplary ramp-shaped loading section 451 and a driver element 452 , but the operating element 450 can be moved into the unlocking position 301 by a pushing movement along the arrow 501 .

Claims

1. An electric device (100), in particular a handheld power tool, comprising a housing (110) and a battery pack interface (120), wherein a battery pack (190) can be locked to the battery pack interface by a locking element (221) assigned to the battery pack (190), characterized in that: An operating element (150; 450) is arranged on the housing (110) for directly applying a locking element (221) of the battery pack (190) to unlock the battery pack (190).

2. The electric device according to claim 1, wherein: The operating element (150) is arranged on a handle (115) formed by the housing (110).

3. The electric device according to claim 1 or 2, characterized in that: The operating element (150; 450) is biased into a rest position (201) by a spring element (231).

4. The electric appliance according to any one of the preceding claims, characterized in that The housing (110) forms a guide section (239) for guiding the operating element (150).

5. The electric appliance according to any one of the preceding claims, characterized in that The operating element (150) is designed as a push button switch and is arranged between a handle (115) formed by the housing (110) and a receiving area (117) of the housing (110) associated with the battery pack interface (120).

6. The electric appliance according to any one of claims 1 to 4, characterized in that: The operating element (450) is designed as a slide switch, wherein the operating element (450) can be moved into an unlocking position (301) by a linear pushing or pulling movement (501; 401).

7. The electric device according to claim 6, characterized in that The operating element (450) has a loading section (451) designed in the form of a ramp for loading a locking element (221) of a battery pack (190) locked to the battery pack interface (120).

8. The electric device according to claim 6 or 7, characterized in that: The operating element (450) has an end stop (452) which is configured to limit a movement travel (403) of the operating element (450) when the operating element (450) is moved from a rest position (201) to an unlocking position (301).

9. The electric appliance according to claim 8, characterized in that The displacement distance (403) is greater than the axial length (402) of the locking element (211) to be loaded of the battery pack (190) locked on the battery pack interface (120).

10. The electric appliance according to claim 1, comprising a battery pack (190), characterized in that The operating element (150; 450) of the electric device (100) is constructed as a locking element (211) for loading the battery pack (190), and the locking element is arranged on the battery pack (190) locked on the battery pack interface (120), wherein the battery pack (190) has a second operating element (192) which is constructed as a locking element (221) for operating the battery pack (190).

11. The electric device according to claim 10, characterized in that: The operating element (150; 450) of the electric device (100) is designed as a locking element (221) for directly loading the battery pack (190).

12. The electric device according to claim 10 or 11, characterized in that: The locking element (221) of the battery pack (190) is mounted in or on the housing (195) of the battery pack (190) in a linearly and / or rotationally movable manner.

13. The electric appliance according to any one of claims 10 to 12, characterized in that: The locking element (221) is designed for a force-locking and / or form-locking connection of the battery pack (190) to the electric device (100), in particular a force-locking and / or form-locking connection via an undercut.

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