CN104647316B - Hand-held machine tool housing device - Google Patents
Hand-held machine tool housing device Download PDFInfo
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- CN104647316B CN104647316B CN201410659104.3A CN201410659104A CN104647316B CN 104647316 B CN104647316 B CN 104647316B CN 201410659104 A CN201410659104 A CN 201410659104A CN 104647316 B CN104647316 B CN 104647316B
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- power tool
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- 238000004146 energy storage Methods 0.000 claims abstract description 152
- 230000001681 protective effect Effects 0.000 claims description 116
- 238000010413 gardening Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 description 13
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 230000006870 function Effects 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 210000000352 storage cell Anatomy 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 2
- 230000009993 protective function Effects 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/02—Construction of casings, bodies or handles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to a hand-held power tool housing device, in particular a garden hand-held power tool housing device, comprising at least one energy storage device connection unit (12 a; 12b) for the releasable connection to at least one energy storage device unit (14 a; 14 b). It is proposed that the hand-held power tool housing device has at least one energy storage protection bow unit (16 a; 16b) which is arranged in the region of the energy storage connection unit (12 a; 12b) and which comprises at least one protection bow element (18 a; 18b) which is provided to at least partially surround the energy storage unit (14 a; 14b) in at least one state of connection to the energy storage connection unit (12 a; 12 b).
Description
Technical Field
The invention relates to a housing device for a hand-held power tool.
Background
A hand-held power tool housing device is known from EP 2431134 a2, which comprises an energy accumulator connection unit for the releasable connection of at least one energy accumulator unit. The energy storage device connection unit is formed by a housing sleeve, in which the electrical contact elements of the energy storage device connection unit are arranged for electrical connection with the energy storage device unit.
Disclosure of Invention
The invention is based on a hand-held power tool housing device, in particular a garden hand-held power tool housing device, having at least one energy accumulator connection unit for the releasable connection to at least one energy accumulator unit.
It is proposed that the hand-held power tool housing device has at least one energy storage device protection bow unit arranged in the region of the energy storage device connection unit, which energy storage device protection bow unit comprises at least one protection bow element, which is provided to at least partially surround the energy storage device unit in at least one state of connection to the energy storage device connection unit. In particular, "provided" is to be understood as meaning specially designed and/or specially configured. In particular, the term "a component and/or a unit is provided for a specific function" is to be understood to mean that the component and/or the unit satisfies and/or implements the specific function in at least one application state and/or operating state. The energy accumulator connection unit preferably comprises at least one interface element for a form-fitting and/or force-fitting connection with the energy accumulator unit. The interface element is preferably provided for the energy accumulator unit to be connected to the energy accumulator connection unit during the connecting movement. The interface element is thereby preferably designed as a guide rail, which interacts with a corresponding counter interface element of the energy accumulator unit. Furthermore, the energy storage device connection unit preferably comprises at least one contact element for electrical connection with the energy storage device unit. In this case, the energy accumulator unit preferably has at least one counter contact element which is designed in accordance with the contact element. The transmission of electrical energy can thereby preferably be effected in a state in which at least one of the energy storage units is connected to the energy storage connection unit. The energy storage unit is preferably designed as a battery pack. The energy accumulator connection unit is preferably designed as a battery connection unit, to which the energy accumulator unit is detachably connected. In this case, the energy accumulator connection unit is preferably arranged on the outside of a housing base element of the hand-held power tool housing device.
Preferably, the energy accumulator protective bow unit forms a tumble-cage (ueberrolkalkefigartigle) protective unit for protecting the energy accumulator unit in at least one state of connection to the energy accumulator connection unit. In this case, the energy accumulator protective bow unit is preferably arranged on the outside of a housing base element of the hand-held power tool housing device. The protective bow element has a maximum extent, in particular as seen in the direction of connection of the energy storage unit and the energy storage connection unit, which is smaller than the maximum extent of at least one side of the energy storage unit. For connecting the energy storage device connection unit, the energy storage device unit is moved in the direction of connection of the energy storage device unit and the energy storage device connection unit. In this case, the protective bow element is preferably provided to protect the energy storage unit in at least one state of connection to the energy storage connection unit and/or to protect the energy storage connection unit itself from damage when falling, in particular when a hand-held power tool comprising a hand-held power tool housing arrangement falls or when hitting an object. For this purpose, the protective bow element preferably encloses the energy storage unit in at least one state of connection to the energy storage connection unit, at least in particular along at least 10% of the total circumferential extent of the energy storage unit extending in one plane, preferably along at least 30% of the total circumferential extent of the energy storage unit and particularly preferably along at least 60% of the total circumferential extent of the energy storage unit. Preferably, the protective bow element surrounds the energy storage unit in at least one state of connection with the energy storage connection unit along at least two, in particular along at least three sides, of the energy storage unit, as seen in a plane. The energy storage unit in at least one state of connection to the energy storage connection unit is thereby preferably at least partially enclosed in a frame-like manner in a plan view by the protective bow element.
Preferably, the protective bow element covers at least one side face of the energy storage unit arranged on at least one side in the state of connection of at least one of the energy storage unit to the energy storage connection unit, in particular up to less than 90% of the total area of the side face, preferably up to less than 70% of the total area of the side face and particularly preferably up to less than 50% of the total area of the side face. Preferably, the covering of the protective bow element and the side faces is taken into account in a plane extending at least substantially parallel to the connecting direction. Particularly preferably, the entire protective bow unit covers the side of the energy storage unit up to less than 50% in the state of at least one of the energy storage units connected to the energy storage connection unit. In a particularly advantageous embodiment of the protective bow unit, the entire protective bow unit covers the side faces of the energy storage unit up to less than 40% of the total area of the side faces in the state of at least one of the energy storage units connected to the energy storage connection unit. Furthermore, the protective bracket element, in particular the entire protective bracket unit, covers at least one cooling element, in particular a cooling rib element, arranged on at least one side of the energy storage unit, in particular up to less than 90%, preferably up to less than 70% and particularly preferably up to less than 50% of the total area of the cooling element, in the connected state of at least one of the energy storage units with the energy storage connection unit. Preferably, the covering of the protective bow element and the cooling element is taken into account in a plane extending at least substantially parallel to the connecting direction.
Preferably, the accumulator protection bow unit is arranged at least substantially adjacent to the accumulator connection unit. The energy storage device protection bow unit thus preferably has a minimum spacing relative to the energy storage device connection unit, which is in particular less than 50 mm, preferably less than 30 mm and particularly preferably less than 10 mm. By means of the configuration of the hand-held power tool housing device according to the invention, a high protection of the energy accumulator unit in the state of at least one connection with the energy accumulator connection unit against damage can be advantageously achieved, wherein the energy accumulator protection bow unit advantageously achieves a compact and lightweight configuration. Furthermore, a reinforcing function can be advantageously achieved, which results in a particularly robust housing arrangement of the hand-held power tool. In addition to the protective function, an advantageous cooling function of the energy storage unit can also be achieved. By means of the configuration of the hand-held power tool housing arrangement with the energy accumulator protective bow unit, it is possible to achieve an advantageous possibility of the energy accumulator unit in at least one state of connection with the energy accumulator connection unit with a bypass flow of air in order to dissipate heat, which possibility is kept small in the case of an arrangement of the energy accumulator unit in a housing sleeve (as is known from the prior art). Furthermore, a high protection of the energy storage connection unit against damage can advantageously be achieved, since the energy storage protection bow unit also at least partially covers and/or encloses the energy storage connection unit.
Furthermore, it is proposed that the protective bow element comprises at least two edges, which are angled relative to each other. In particular, the edges of the protective bow element enclose an angle of less than 180 °, preferably less than 120 ° and particularly preferably less than 100 °. The longitudinal axis of one side is at least substantially transverse to the longitudinal axis of the other side. In this context, "substantially transverse" is to be understood to mean, in particular, an orientation of a direction and/or an axis relative to a reference direction and/or a reference axis, wherein the orientation of the direction and/or the axis differs at least from an at least substantially parallel orientation relative to the reference direction and/or the reference axis and is, in particular, inclined or perpendicular relative to the reference direction and/or the reference axis. Preferably, in a state in which at least one of the energy storage cells is connected to the energy storage connection unit, one of the sides of the protective bow element faces one side of the energy storage cell, wherein the other side faces the other side of the energy storage cell, which is arranged adjacent to the side facing the one side. The protective bow element thereby preferably covers at least partially both sides of the energy storage unit in at least one state of connection with the energy storage connection unit. In particular, one of the at least two sides of the protective bow element is arranged opposite the energy accumulator connection unit. By means of the configuration according to the invention, a significant protection of the energy storage unit in at least one state of connection to the energy storage connection unit can advantageously be achieved.
Furthermore, it is proposed that at least one of the edges is arranged at least substantially adjacent to the energy accumulator connection unit. In this case, the edge preferably has a minimum distance from the energy accumulator connection unit, which is in particular less than 50 mm, preferably less than 30 mm and particularly preferably less than 10 mm. An advantageous protection of the energy accumulator connection unit against damage can be achieved in a constructionally simple manner.
The protective bow element is advantageously U-shaped, in particular as seen in at least one plane, which extends at least substantially perpendicularly to the direction of connection of the energy storage unit and the energy storage connection unit. Thus, the protective bow element preferably comprises at least three sides. Here, two of the at least three sides extend at least substantially parallel. Two of the at least three sides are connected to one another, in particular via a third side, which extends at least substantially transversely to two of the at least three sides. The protective bow element surrounds the energy storage unit in at least one state of connection to the energy storage connection unit, in particular along at least three sides of the energy storage unit. In particular, "substantially parallel" is to be understood here as meaning an orientation of a direction relative to a reference direction, in particular in a plane, wherein the direction has a deviation relative to the reference direction of, in particular, less than 8 °, advantageously less than 5 °, and particularly advantageously less than 2 °. By means of the configuration according to the invention, it is advantageously possible to cover the energy storage unit in at least one state of connection to the energy storage connection unit at least partially along at least three sides of the energy storage unit. In this way, a particularly advantageous protection of the energy storage unit in at least one state of connection to the energy storage connection unit and of the energy storage connection unit itself against damage can be achieved.
Furthermore, it is proposed that the energy storage protection bow unit comprises at least one further protection bow element which, together with the protection bow element, delimits at least one recess of the energy storage protection bow unit. The further protective bow element is arranged at a distance from the protective bow element, as seen in the direction of connection of the energy storage unit and the energy storage connection unit. In this way, a free space between the protective bow element and the further protective bow element can be advantageously achieved, which free space can enable an energy storage unit in at least one state of connection with an energy storage connection unit with an air flow. In this way, it is advantageously possible to dissipate heat from the energy storage unit. This can advantageously positively influence the life of the energy storage unit.
Furthermore, it is proposed that the energy accumulator protection bow unit comprises at least one void, which is arranged on one side of the energy accumulator protection bow unit, which side is different from another side of the energy accumulator protection bow unit, on which side at least one further void of the energy accumulator protection cage unit is arranged. Particularly preferably, the recess and the further recess are delimited by the protective bow element and the further protective bow element, respectively. The recess and the further recess may be arranged at a distance from one another, viewed in the connecting direction, or the recess and the further recess may be arranged at a distance from one another, viewed in a direction extending at least substantially transversely to the connecting direction. Further arrangements of the voids and the further voids which appear to be meaningful to the person skilled in the art are likewise conceivable. By means of the configuration according to the invention, an energy storage unit can be realized in which air flows around in a particularly advantageous manner in at least one state of connection to the energy storage connection unit. Furthermore, a weight-saving configuration of the energy accumulator protective bow unit can advantageously be achieved on the basis of the configuration of the energy accumulator protective bow unit with the gap and the further gap.
Furthermore, it is proposed that the energy storage unit is arranged at a distance from the protective bow element in at least one state of connection to the energy storage connection unit. The energy accumulator connection unit preferably has a minimum spacing relative to the energy accumulator unit, which is in particular greater than 1 mm, preferably greater than 5 mm and particularly preferably greater than 10 mm. By means of the embodiment according to the invention, an energy absorption function can advantageously be achieved, which converts the impact energy into kinetic energy. Thereby, the impact can be advantageously buffered. Furthermore, the impact energy is advantageously converted into a deformation, in particular a reversible deformation, of the protective bow element and/or of the further protective bow element. In this way, a particularly advantageous protection of the energy storage unit in at least one state of connection to the energy storage connection unit can be achieved.
Furthermore, it is proposed that the hand-held power tool housing device has at least one housing base element which is formed in one piece with the protective bow element. In particular, the housing base element is provided to receive and at least partially enclose electrical and/or electronic components, such as control electronics units or the like. In particular, "one-piece" is to be understood as meaning an at least cohesive connection, for example by means of a welding process, a bonding process, an injection molding process and/or other processes which appear to be of interest to the person skilled in the art, and/or as meaning an advantageous shaping of a component, for example by production from a cast part and/or by production in a single-component or multi-component injection molding method and advantageously from a single blank. By means of the configuration according to the invention, assembly costs and production costs can advantageously be saved.
Furthermore, it is proposed that the hand-held power tool housing device has at least one handle unit, which comprises at least one handle element, which is arranged on the energy accumulator protective bow unit. Preferably, the handle unit is rotatably supported on the accumulator protection bow unit. By means of the configuration according to the invention, the integration of the handle unit can thus advantageously be incorporated into the protective function of the energy accumulator protective bow unit, since the handle unit is a physical extension of the energy accumulator protective bow unit. Furthermore, an advantageous weight distribution can be achieved.
Furthermore, a hand-held power tool, in particular a garden hand-held power tool, is proposed, which has at least one hand-held power tool housing arrangement according to the invention. In particular, a "hand-held power tool" is to be understood to mean a power tool for processing workpieces, which can be transported by an operator without a conveyor. The hand-held power tool has a mass of less than 40 kg, preferably less than 10 kg and particularly preferably less than 5 kg. The hand-held power tool is preferably designed as an electrically drivable hand-held power tool, which can be supplied with electrical energy, in particular by means of an energy accumulator unit. The hand-held power tool is preferably designed as a lawn trimmer (bush cutter/pruner), hedge trimmer, leaf blower, chain saw or the like. However, it is also conceivable for the hand-held power tool to have other configurations which appear to be of interest to the person skilled in the art. Preferably, the energy accumulator guard bow unit is arranged on a side of the housing base element of the hand-held power tool housing device facing away from the tool receiver of the hand-held power tool. However, it is also conceivable for the energy accumulator protection bow unit to be arranged in other positions which appear to be of interest to the person skilled in the art. In the case of a handheld power tool in the form of a lawn trimmer, the entire protective bow unit preferably covers the side faces of the energy storage unit up to 38% of the total area of the side faces of the energy storage unit in the state of at least one of the energy storage unit being connected to the energy storage connection unit. In addition, in the case of a handheld power tool in the form of a lawn trimmer, the entire protective bow unit, in the connected state of at least one of the energy storage units to the energy storage connection unit, covers at least one cooling element, in particular a cooling rib element, of the energy storage unit, which is arranged on at least one side, in particular up to 41% of the total area of the cooling element. In the case of a hedge trimmer in the form of a hand-held power tool, the entire protective bow unit preferably covers the side faces of the energy storage unit up to 39.5% of the total area of the side faces of the energy storage unit in the state of at least one of the energy storage unit being connected to the energy storage connection unit. In addition, in the case of a hand-held power tool configured as a hedge shears, the entire protective bow unit covers at least one cooling element, in particular a cooling rib element, arranged on at least one side of the energy storage unit, in particular up to 41% of the total area of the cooling element, in the state in which at least one of the energy storage unit is connected to the energy storage connection unit. By means of the configuration according to the invention, a reliable arrangement of the energy accumulator unit can be advantageously achieved, which arrangement can be advantageously protected against damage due to dropping. Furthermore, a high degree of operating comfort can advantageously be achieved.
The hand-held power tool housing arrangement according to the invention and/or the hand-held power tool according to the invention should not be limited to the above-described applications and embodiments. In particular, the hand-held power tool housing arrangement according to the invention and/or the hand-held power tool according to the invention can have a different number of individual elements, components and units than the number described here in order to satisfy the functional aspects described here.
Drawings
Further advantages result from the following description of the figures. Two embodiments of the invention are shown in the drawings. The figures, descriptions and claims contain a number of combined features. The individual features are also to be considered purposefully individually and to be summarized as meaningful further combinations by the person skilled in the art.
The figures show:
FIG. 1: a hand-held power tool according to the invention having at least one hand-held power tool housing arrangement according to the invention is shown in a schematic view;
FIG. 2: a side view of a hand-held power tool housing arrangement according to the invention is shown in a schematic representation;
FIG. 3: a top view of the hand-held power tool housing arrangement according to the invention is shown in a schematic representation;
FIG. 4: an alternative hand-held power tool according to the invention having at least one hand-held power tool housing arrangement according to the invention is shown in a schematic view;
FIG. 5: a detail view of the hand-held power tool housing arrangement according to the invention of an alternative hand-held power tool according to the invention is shown in a schematic illustration; and
FIG. 6: an exploded view of the hand-held power tool housing arrangement according to the invention of an alternative hand-held power tool according to the invention is shown in a schematic illustration.
Detailed Description
Fig. 1 shows a hand-held power tool 46a having at least one hand-held power tool housing device 10 a. The hand-held power tool 46a is designed as an electrically drivable lawn trimmer (bush cutter/pruner). The hand-held power tool 46a is thus designed as a garden hand-held power tool, in particular as an electrically drivable garden hand-held power tool. The hand-held power tool housing device 10a comprises at least one motor housing unit 48a for receiving and for supporting at least one electric motor unit 50a of the hand-held power tool 46 a. Furthermore, the hand-held power tool 46a comprises at least one tool receiver 52a, on which at least one insertion tool 54a can be arranged. The insertion tool 54a can be designed as a thread cutting tool (Fadenschneidwerkzeug), as a knife cutting tool, as a saw cutting tool, etc. The tool receiver 52a is rotatably drivable by means of the electric motor unit 50 a. Here, the tool receiver 52a is driven directly by the electric motor unit 50 a. The tool receiver 52a is supported on the motor housing unit 48 a. However, it is also conceivable for the hand-held power tool 46a to comprise a transmission unit 56a which interacts with the electric motor unit 50a and the tool receiver 52a, in particular is connected to the electric motor unit 50a and the tool receiver 52a by means of drive technology. The gear unit 56a can be arranged in a separate gear housing unit (not further shown here) of the hand-held power tool housing device 10a or in the motor housing unit 48 a.
Furthermore, the hand-held power tool housing device 10a comprises at least one electronic device housing unit 58a for receiving and/or enclosing electrical and/or electronic components of the hand-held power tool 46a, for example a control and/or regulating unit 62a of the hand-held power tool 46 a. The electronics housing unit 58a and the motor housing unit 48a are connected to each other via a guide rod 60 a. The electronics housing unit 58a is arranged on one end of the guide bar 60a and the motor housing unit 48a is arranged on the other end of the guide bar 60a, which end faces away from the end of the guide bar 60a on which the electronics housing unit 58a is arranged. The guide rod 60a is hollow. The communication and/or electrical lines of the control and/or regulating unit 62a of the hand-held power tool 46a extend from the control and/or regulating unit 62a via the guide rod 60a to the electric motor unit 50 a. However, it is also conceivable for the electric motor unit 50a to be mounted in the electronics housing unit 58a and for the gear unit 56a to be mounted in the motor housing unit 48a, wherein the electric motor unit 50a and the gear unit 56a are connected to one another in a drive-oriented manner by a shaft extending via the guide rod 60 a.
Furthermore, the hand-held power tool housing device 10a comprises at least one energy accumulator connection unit 12a for releasable connection to at least one energy accumulator unit 14a of the hand-held power tool 46 a. The energy accumulator unit 14a is designed as a battery unit. The energy accumulator connection unit 12a is arranged on the electronics housing unit 58 a. The energy accumulator connection unit 12a has at least two interface elements (not further shown here) designed as connection rails, which have a configuration known to the person skilled in the art. Furthermore, the energy accumulator connection unit 12a has at least two contact elements (not further shown here) for electrical connection with corresponding contact elements (not further shown here) of the energy accumulator unit 14 a. The energy accumulator connection unit 12a also comprises at least one fastening element 64a (fig. 3), which is provided to fasten the energy accumulator unit 14a at least in the state of being arranged on the energy accumulator connection unit 12a by means of a form-fitting and/or force-fitting connection. In order to connect the energy storage unit 14a to the energy storage connection unit 12a, the energy storage unit 14a can be pushed onto the interface element or can be pushed into the interface element. The direction of connection in which the energy accumulator unit 14a can be pushed in or pushed in is at least substantially transverse to the longitudinal axis of the guide rod 60 a. In particular, the connecting direction extends at least substantially perpendicularly to the longitudinal axis of the guide rod 60 a. Furthermore, the hand-held power tool 46a comprises at least one handle unit 40 a. The handle unit 40a is disposed on the guide bar 60 a.
Fig. 2 shows a detail view of a hand-held power tool housing arrangement 10a, which has at least the energy accumulator connection unit 12a for the releasable connection to the energy accumulator unit 14 a. Furthermore, the hand-held power tool housing device 10a comprises at least one energy accumulator protective bow unit 16a which is arranged in the region of the energy accumulator connection unit 12a and which comprises at least one protective bow element 18a which is provided to at least partially enclose the energy accumulator unit 14a in at least one state of connection to the energy accumulator connection unit 12 a. The energy accumulator protective bow unit 16a is thus provided to protect the energy accumulator unit 14a, which is in at least one state of connection with the energy accumulator connection unit 12a, from damage when the hand-held power tool 46a is dropped and/or impacts an object. For this purpose, the protective bow element 26a extends, in the connected state of the energy accumulator unit 14a with the energy accumulator connection unit 12a, from the electronics housing unit 58a around the energy accumulator unit 14a, in particular as seen in a plane extending at least substantially perpendicularly to the connection direction (fig. 3). In the connected state of the energy storage unit 14a with the energy storage connection unit 12a, the energy storage unit 14a, viewed in the connection direction, has a spacing from a plane formed by at least one outer surface of the electronics housing unit 58 a. The maximum overall extent of the energy accumulator unit 14a, as viewed in the connecting direction, is smaller than the maximum distance between two planes formed by two outer faces of the electronics housing unit 58a, which are arranged on sides of the electronics housing unit 58a facing away from one another. The energy accumulator unit 14a, which is connected to the energy accumulator connection unit 12a, is thus arranged within the region delimited by the two planes, as seen in the connecting direction. The two outer faces of the electronics housing unit 58a, which are arranged on the sides of the electronics housing unit 58a facing away from each other, thus form stop faces for protecting the energy accumulator unit 14a from damage when falling and/or impacting on an object. Furthermore, the energy storage unit 14a, in at least one state of connection to the energy storage connection unit 12a, extends beyond the protective bow element 18a, viewed in the connection direction.
The protective bow element 18a comprises at least two sides 20a, 22a, which are angularly flexed with respect to each other. Here, the two sides 20a, 22a are connected to one another. The two edges 20a, 22a are formed integrally with one another. Furthermore, the two sides 20a, 22aL are oriented in an l-shape, viewed in a plane extending at least substantially perpendicularly to the connecting direction. The two sides 20a, 22a are angled at an angle of less than 180 °. The angle formed by the two edges 20a, 22a is in particular greater than 30 °. Furthermore, the angle formed by the two sides 20a, 22a is measured on the side of the two sides 20a, 22a facing the energy storage device connection unit 12 a. At least one of the two sides 20a, 22a is arranged at least substantially adjacent to the energy accumulator connection unit 12 a. In this case, the side 20a arranged at least substantially adjacent to the energy storage connection unit 12a extends from the electronics housing unit 58a in the direction facing away from the electronics housing unit 58a as far as a further side 22a, which is arranged at least substantially transversely with respect to the side 20a arranged at least substantially adjacent to the energy storage connection unit 12 a. The hand-held power tool housing device 10a also comprises at least one housing base element 36a, which is formed in one piece with the protective bow element 18 a. The housing base element 36a forms a housing shell element of the electronics housing unit 58 a.
In general, the protective bow element 18a has at least three sides 20a, 22a, 24a, which are connected to each other. Two of the three legs 20a, 22a, 24a are arranged at least substantially adjacent to the energy accumulator connection unit 12 a. Two of the three sides 20a, 22a, 24a, which are arranged at least substantially adjacent to the energy accumulator connection unit 12a, are connected to one another by a further side 22 a. Thus, two of the three sides 20a, 22a, 24a extend from the electronics housing unit 58a in a direction away from the electronics housing unit 58a, wherein two of the three sides 20a, 22a, 24a are connected to one another by the other side 22 a. The legs 20a, 24a, which extend from the electronics housing unit 58a in the direction facing away from the electronics housing unit 58a, extend at least substantially parallel to one another. As a result, the edges 20a, 24a, which extend from the electronics housing unit 58a in the direction away from the electronics housing unit 58a, are each bent at an angle relative to the other edge 22 a. The protective bow element 18a is thus formed in a U-shape, as viewed in at least one plane extending substantially perpendicularly to the connecting direction. It is conceivable for the three legs 20a, 22a, 24a to be formed integrally with one another. Furthermore, it is conceivable that one of the sides 20a, 24a arranged at least substantially adjacent to the energy accumulator connection unit 12a is formed in one piece with a housing shell element of the electronics housing unit 58a and with a partial region of the other side 22a, via which the sides 20a, 24a arranged at least substantially adjacent to the energy accumulator connection unit 12a are connected, wherein the other side 22a is thus formed as a result of the assembly of the housing base element 36a, 38a of the electronics housing unit 58a, which is formed as a housing shell element.
The energy storage unit 14a is arranged at a distance from the protective bow element 18a in at least one state of connection to the energy storage connection unit 12 a. The energy storage unit 14a is thus arranged at a distance from the three sides 20a, 22a, 24a in at least one state of connection to the energy storage connection unit 12 a. In this case, the energy storage unit 14a in the at least one connected state with the energy storage connection unit 12a has a minimum spacing 76a, 78a of more than 1 mm relative to the protective bow element 18 a. The minimum spacing 76a, 78a between the energy storage unit 14a and the protective bow element 18a extends in a plane extending at least substantially perpendicularly to the connecting direction (fig. 3). However, it is also conceivable for the energy accumulator unit 14a in at least one connected state with the energy accumulator connection unit 12a to rest on the protective bow element 18a or to have a minimum spacing 76a, 78a of less than 1 mm relative to the protective bow element 18 a. The edges 20a, 24a have a maximum distance 76a with respect to the energy storage unit 14a in at least one state of connection to the energy storage connection unit 12a, which is less than 10 mm, in particular less than 5 mm and preferably 4 mm. The edge 22a has a maximum distance 78a with respect to the energy accumulator unit 14a in at least one state of connection to the energy accumulator connection unit 12a, which is less than 30 mm, in particular less than 20 mm and preferably 12 mm.
Furthermore, the accumulator protective bow unit 16a comprises at least one recess 28a, 30a, which is arranged on one side of the accumulator protective bow unit 16a, which side is different from the other side of the accumulator protective bow unit 16a, on which side at least one further recess 32a, 34a of the accumulator protective bow unit 16a is arranged. The side on which the at least one recess 28a, 30a is arranged is oriented at least substantially parallel to a plane extending at least substantially perpendicularly to the connecting direction. The other side of the at least one further recess 32a, 34a is arranged oriented substantially transversely to a plane extending at least substantially perpendicularly to the connecting direction. The protective bow element 18a delimits at least one recess 28a of the energy accumulator protective bow unit 16a, which is designed as a connection recess and into which the energy accumulator unit 14a can be inserted for connection with the energy accumulator connection unit 12 a. The recess 28a, which is designed as a connecting groove, is arranged on that side of the energy accumulator connection unit 12a which is oriented at least substantially parallel to a plane extending at least substantially perpendicularly to the connecting direction.
The accumulator protective bow unit 16a further comprises at least one further protective bow element 26a which, together with at least the protective bow element 18a, delimits at least one recess 32a, 34a of the accumulator protective bow unit 16 a. The further protective arch element 26a comprises an at least substantially similar configuration as the protective arch element 18 a. Thus, the configuration of the additional protective arch element 26a will not be discussed further in further description. The recess 32a, 34a delimited by the protective bow element 18a and the further protective bow element 26a is arranged on the other side of the energy accumulator connection unit 12a, which is oriented at least substantially transversely to a plane extending at least substantially perpendicularly to the connection direction. Overall, the protective bow element 18a and the further protective bow element 26a delimit at least two recesses 32a, 34a of the energy accumulator protective bow unit 16a, wherein the at least two recesses 32a, 34a are arranged on two sides of the energy accumulator protective bow unit 16a facing away from each other. The accumulator unit 14a comprises at least two cooling rib units. In the connected state of the energy storage unit 14a with the energy storage connection unit 12a, the cooling rib unit is arranged on both sides of the energy storage unit 14a facing the at least two recesses 32a, 34a, which are delimited by the protective bow element 18a and the further protective bow element 26 a. The further protective bow element 26a delimits at least one further recess 30a of the energy storage protective bow unit 16a, which is arranged on a side of the energy storage protective bow unit 16a facing away from the side of the recess 28a, which is designed as a connecting groove, on which the energy storage protective bow unit 16a is arranged.
Furthermore, the protective bow element 18a and the further protective bow element 26a are connected to one another on the side of the energy accumulator protective bow unit 16a opposite the energy accumulator connection unit 12a by means of a reinforcing element 66a of the energy accumulator protective bow unit 16 a. In this case, the reinforcing elements 66a are arranged at a distance from the energy accumulator unit 14a in the connected state of the energy accumulator unit 14a with the energy accumulator connection unit 12 a.
Fig. 4 to 6 show another embodiment of the present invention. The following description and the figures are substantially limited to the differences between the exemplary embodiments, wherein reference can in principle also be made to further exemplary embodiments, in particular to the figures and/or illustrations in fig. 1 to 3, with regard to identically denoted components, in particular with regard to components having the same reference numerals. To distinguish between the embodiments, the letter a is followed by the reference numerals of the embodiments in fig. 1 to 3. In the embodiments of fig. 4 to 6, the letter a is replaced by the letter b.
Fig. 4 shows a hand-held power tool 46b with at least one hand-held power tool housing arrangement 10 b. The hand-held power tool 46b is designed as an electrically drivable hedge trimmer. The hand-held power tool 46b is thus designed as a garden hand-held power tool, in particular as an electrically drivable garden hand-held power tool. The hand-held power tool housing device 10b comprises at least one motor housing unit 48b for receiving and for supporting at least one electric motor unit 50b of the hand-held power tool 46 b. Furthermore, the hand-held power tool 46b comprises at least one tool receiver 52b, on which at least one insertion tool 54b can be arranged. The insertion tool 54b can be designed as a timber cutting tool (Balkenschneidwerkzeug). The insertion tool 54b is driven by means of the electric motor unit 50b in an oscillating manner along the longitudinal axis of the insertion tool 54 b. The tool receiver 52b is driven by a gear unit 56b, which is designed as an eccentric gear unit. The electric motor unit 50b and the transmission unit 56b are arranged in the motor housing unit 48 b. The tool receiver 52b is supported on the motor housing unit 48 b.
Furthermore, the hand-held power tool housing device 10b comprises at least one energy accumulator connection unit 12b for detachably connecting at least one energy accumulator unit 14b of the hand-held power tool 46 b. The energy accumulator unit 14b is designed as a battery unit. The accumulator connection unit 12b is arranged on the motor housing unit 48 b. The energy accumulator connection unit 12b has at least two interface elements 68b, 70b (fig. 5 and 6) designed as connection rails, which have a configuration known to the person skilled in the art. Furthermore, the energy accumulator connection unit 12b comprises at least two contact elements 72b, 74b (fig. 5 and 6) for electrically connecting corresponding contact elements (not further shown here) of the energy accumulator unit 14 b. The energy accumulator connection unit 12b also comprises at least one fastening element 64b (fig. 5 and 6), which is provided to fasten the energy accumulator unit 14b at least in the state of being arranged on the energy accumulator connection unit 12b by means of a form-fitting and/or force-fitting connection. To connect the energy storage unit 14b with the energy storage connection unit 12b, the energy storage unit 14b can be pushed onto the interface elements 68b, 70b or can be pushed into the interface elements 68b, 70 b. The direction of connection in which the energy accumulator unit 14b can be pushed over or can be pushed in here extends at least substantially transversely to the longitudinal axis of the insertion tool 54 b. In particular, the connecting direction extends at least substantially perpendicularly to the longitudinal axis of the insertion tool 54 b.
Furthermore, the hand-held power tool housing device 10b comprises at least one energy accumulator protective bow unit 16b which is arranged in the region of the energy accumulator connection unit 12b and which comprises at least one protective bow element 18b which is provided to at least partially enclose the energy accumulator unit 14b in at least one state of connection to the energy accumulator connection unit 12 b. The energy accumulator protection bow unit 16b is thus provided to protect the energy accumulator unit 14b, which is in at least one state of connection with the energy accumulator connection unit 12b, from damage when the hand-held power tool 46b is dropped and/or when an object is impacted. For this purpose, in the connected state of the energy accumulator unit 14b with the energy accumulator connection unit 12b, the protective bow element 26b extends from the electronics housing unit 58b around the energy accumulator unit 14b, in particular, as viewed in a plane extending at least substantially perpendicularly to the connection direction. The energy storage units 14b are arranged at a distance from the protective bow element 18b in at least one state of connection to the energy storage connection unit 12 b. The energy storage unit 14b is thus arranged at a distance from the three sides 20b, 22b, 24b of the protective bow element 18b in at least one connected state with the energy storage connection unit 12 b. In this case, the energy storage unit 14b has a minimum spacing 76b, 78b of more than 1 mm relative to the protective bow element 18b in at least one state of connection to the energy storage connection unit 12 b. The minimum distance 76b, 78b between the energy storage unit 14b and the protective bow element 18b extends in a plane extending at least substantially perpendicularly to the connecting direction. However, it is also conceivable for the energy accumulator unit 14b in at least one connected state with the energy accumulator connection unit 12b to rest on the protective bow element 18b or to have a minimum spacing 76b, 78b of less than 1 mm relative to the protective bow element 18 b. The edges 20b, 24b have a maximum distance 76b with respect to the energy storage unit 14b in at least one state of connection to the energy storage connection unit 12b, which is less than 10 mm, in particular less than 5 mm and preferably 4 mm. The edge 22b has a maximum distance 78b with respect to the energy accumulator unit 14b in at least one state of connection to the energy accumulator connection unit 12b, which is less than 30 mm, in particular less than 20 mm and preferably 12 mm. As regards the further functions and features of the accumulator protection bow unit 16b, reference is made to the description of fig. 1 to 3, since the accumulator protection bow unit 16b shown in fig. 4 to 6 has an at least substantially similar configuration to the accumulator protection bow unit 16a shown in fig. 1 to 3.
Furthermore, the hand-held power tool 46b comprises at least one handle unit 40b, which comprises at least one handle element 42b, 44b, which is arranged on the energy accumulator protective bow unit 16 b. The handle unit 40b has in general two handle elements 42b, 44b, which are arranged on the accumulator protection bow unit 16 b. The handle elements 42b, 44b are each designed as a handle housing element. The handle elements 42b, 44b are arranged on a reinforcing element 66b of the energy accumulator protective bow unit 16b, which interconnects the protective bow element 18b of the energy accumulator protective bow unit 16b and the further protective bow unit 26 b. The handle elements 42b, 44b are arranged on the side of the energy accumulator protective bow unit 16b facing away from the energy accumulator connection unit 12 b. Thereby, the accumulator protection bow unit 16b is arranged between the electric motor unit 50b and the handle unit 40b, seen in a direction at least substantially perpendicular to the connecting direction.
Claims (11)
1. Hand-held power tool housing device having at least one energy storage device connection unit (12 a; 12b) for the detachable connection to at least one energy storage device unit (14 a; 14b), wherein at least one energy storage device protection bow unit (16 a; 16b) is provided, which is arranged in the region of the energy storage device connection unit (12 a; 12b) and which comprises at least one protection bow element (18 a; 18b) which is provided for at least partially enclosing the energy storage device unit (14 a; 14b) in at least one connected state with the energy storage device connection unit (12 a; 12b), characterized in that the energy storage device protection bow unit (16 a; 16b) comprises at least one further protection bow element (26 a; 26b), the at least one further protective bow element delimits at least one recess (32a, 34 a; 32b, 34b) of the energy storage protective bow unit (16 a; 16b) together with at least the protective bow element (18 a; 18b), wherein the further protective bow element is arranged at a distance from the protective bow element (18 a; 18b) as viewed in the direction of the energy storage unit (14 a; 14b) and the energy storage connection unit (12 a; 12 b).
2. Hand-held power tool housing arrangement according to claim 1, characterised in that the protective bow element (18 a; 18b) comprises at least two edges (20a, 22a, 24 a; 20b, 22b, 24b) which are angled relative to one another.
3. Hand-held power tool housing arrangement according to claim 2, characterized in that at least one of the edges (20a, 22a, 24 a; 20b, 22b, 24b) is arranged adjacent to the energy accumulator connection unit (12 a; 12 b).
4. Hand-held power tool housing arrangement according to one of claims 1 to 3, characterised in that the protective bow element (18 a; 18b) is U-shaped.
5. Hand-held power tool housing arrangement according to one of claims 1 to 3, characterised in that the energy accumulator protective bow unit (16 a; 16b) comprises at least one recess (28a, 32 a; 28b, 32b) which is arranged on one side of the energy accumulator protective bow unit (16 a; 16b), which side is different from the other side of the energy accumulator protective bow unit (16 a; 16b), on which side at least one further recess (30a, 34 a; 30b, 34b) of the energy accumulator protective bow unit (16 a; 16b) is arranged.
6. Hand-held power tool housing arrangement according to one of claims 1 to 3, characterised in that the energy accumulator unit (14 a; 14b) is arranged at a distance from the protective bow element (18 a; 18b) in at least one state of connection to the energy accumulator connection unit (12 a; 12 b).
7. Hand-held power tool housing device according to one of claims 1 to 3, characterised in that at least one housing base element (36a, 38 a; 36b, 38b) is provided, which is formed in one piece with the protective bow element (18 a; 18 b).
8. Hand-held power tool housing arrangement according to one of claims 1 to 3, characterised in that at least one handle unit (40b) is provided, which comprises at least one handle element (42b, 44b) which is arranged on the energy accumulator protective bow unit (16 b).
9. Hand-held power tool housing arrangement according to claim 1, characterized in that the hand-held power tool housing arrangement is a gardening hand-held power tool housing arrangement.
10. Hand-held power tool comprising at least one hand-held power tool housing arrangement according to one of the preceding claims.
11. Hand-held power tool according to claim 10, characterized in that the hand-held power tool is a garden hand-held power tool.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| DE102013223814.2 | 2013-11-21 | ||
| DE102013223814.2A DE102013223814B4 (en) | 2013-11-21 | 2013-11-21 | Hand machine tool housing device |
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| CN104647316A CN104647316A (en) | 2015-05-27 |
| CN104647316B true CN104647316B (en) | 2021-06-08 |
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| CN201410659104.3A Active CN104647316B (en) | 2013-11-21 | 2014-11-18 | Hand-held machine tool housing device |
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| CN (1) | CN104647316B (en) |
| DE (1) | DE102013223814B4 (en) |
| FR (1) | FR3013250B1 (en) |
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| WO2021107827A1 (en) * | 2019-11-25 | 2021-06-03 | Husqvarna Ab | A hand-held electrically powered work tool |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202292694U (en) * | 2011-10-18 | 2012-07-04 | 常州格力博工具有限公司 | Electric tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS618289A (en) | 1984-06-25 | 1986-01-14 | 松下電工株式会社 | Electric tool |
| DE102005016604A1 (en) * | 2005-04-11 | 2006-10-19 | Ferm B.V. | Electrical hand tool machine e.g. angle grinder, has drive motor that is designed as electronically commutated direct current motor, and drive arrangement for transmission of torque of motor to tool holder and including belt pulleys |
| JP5016865B2 (en) | 2006-08-04 | 2012-09-05 | 株式会社マキタ | Electric tools and protectors for electric tools |
| CN101743799A (en) * | 2008-12-03 | 2010-06-23 | 邓友峰 | Electric lawn mower |
| EP2397277A4 (en) | 2009-02-10 | 2014-07-02 | Makita Corp | Motor-driven tool |
| CN201518582U (en) * | 2009-11-03 | 2010-07-07 | 陈寅 | Rear self-propelled mowing machine adopting batteries for driving |
| JP5544143B2 (en) | 2009-11-04 | 2014-07-09 | リョービ株式会社 | Battery powered electric brush cutter |
| US9224995B2 (en) | 2010-03-06 | 2015-12-29 | Husqvarna Ab | Battery powered tool and battery pack for a battery powered tool |
| CN201758599U (en) | 2010-04-29 | 2011-03-16 | 常州格力博工具有限公司 | Electric tool |
| EP3756834B1 (en) * | 2010-07-02 | 2021-12-08 | Husqvarna Ab | Battery powered tool |
| JP5587801B2 (en) * | 2010-09-13 | 2014-09-10 | 株式会社マキタ | Rechargeable power tool |
| DE102010045993A1 (en) | 2010-09-18 | 2012-03-22 | Andreas Stihl Ag & Co. Kg | Hand-held implement with an electric drive motor |
| CN202773440U (en) * | 2012-08-23 | 2013-03-13 | 上海沃施园艺股份有限公司 | Solar lawn mower |
| CN203261833U (en) * | 2013-06-04 | 2013-11-06 | 天佑电器（苏州）有限公司 | Chain saw |
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- 2013-11-21 DE DE102013223814.2A patent/DE102013223814B4/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202292694U (en) * | 2011-10-18 | 2012-07-04 | 常州格力博工具有限公司 | Electric tool |
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| Publication number | Publication date |
|---|---|
| CN104647316A (en) | 2015-05-27 |
| DE102013223814A1 (en) | 2015-05-21 |
| FR3013250B1 (en) | 2019-07-12 |
| FR3013250A1 (en) | 2015-05-22 |
| DE102013223814B4 (en) | 2024-01-25 |
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