CN117773824A - Hand-held power tool with an activation unit - Google Patents
Hand-held power tool with an activation unit Download PDFInfo
- Publication number
- CN117773824A CN117773824A CN202311281298.3A CN202311281298A CN117773824A CN 117773824 A CN117773824 A CN 117773824A CN 202311281298 A CN202311281298 A CN 202311281298A CN 117773824 A CN117773824 A CN 117773824A
- Authority
- CN
- China
- Prior art keywords
- hand
- power tool
- held power
- activation unit
- carrier plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000004913 activation Effects 0.000 title claims abstract description 60
- 230000003213 activating effect Effects 0.000 claims abstract description 17
- 230000001681 protective effect Effects 0.000 claims description 25
- 239000004033 plastic Substances 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 239000004416 thermosoftening plastic Substances 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
A hand-held power tool (100), in particular a screwdriver, comprising: an elongated housing (110) in which at least one drive motor (140) for driving a tool receiving device (120) is arranged, wherein the tool receiving device (120) is formed for receiving a plug-in tool (290); and an activation unit (175) for activating the drive motor (140), wherein the elongate housing (110) has a gripping region (115) which is formed for gripping the hand-held power tool (100), the gripping region (115) forming the activation unit (175).
Description
Technical Field
The invention relates to a hand-held power tool, in particular a screwdriver, comprising: an elongated housing in which at least one drive motor for driving a tool receiving device is arranged, wherein the tool receiving device is formed for receiving a plug-in tool; and an activation unit for activating the drive motor, wherein the elongate housing has a grip region formed for gripping the hand-held power tool.
Background
Such a hand-held power tool formed as a rod-shaped screwdriver is known from the prior art. The rod-shaped screwdriver has an elongated housing in which a drive motor is arranged for driving a plug-in tool which can be arranged in a tool receiving device. An activation unit is provided in the elongated housing for activating the drive motor. The elongated housing has a gripping area for gripping a rod driver.
Disclosure of Invention
The invention relates to a hand-held power tool, in particular a screwdriver, comprising: an elongated housing in which at least one drive motor for driving a tool receiving device is arranged, wherein the tool receiving device is formed for receiving a plug-in tool; and an activation unit for activating the drive motor, wherein the elongate housing has a grip region formed for gripping the hand-held power tool. The grip region forms the activation unit.
The invention can thus provide a hand-held power tool with an elongate housing, wherein a simple and compact arrangement of the activation unit can be achieved by forming the gripping region of the activation unit.
The activation unit preferably has an area of more than 100 square millimeters.
Thus, the manipulation of the activation unit becomes simple and easy due to the relatively large area of the activation unit.
Preferably, the elongate housing has a sleeve-shaped outer wall and a longitudinal axis, wherein the activation unit is arranged substantially between the longitudinal axis and the sleeve-shaped outer wall.
Thus, the activation units may be stably and robustly arranged.
The activation unit preferably comprises a protective cover and a carrier plate for arrangement on the elongated housing, wherein the protective cover and the carrier plate partially overlap.
Thus, the activation unit can be safely and reliably arranged on the elongated housing.
The activation unit preferably comprises a control element for activating a switching element associated with the drive motor.
Thus, manipulation of the activation unit becomes simple and easy.
The carrier plate preferably has a locking projection and the elongate housing has a locking reception means for locking connection with the carrier plate formation.
Thus, the activation unit or the carrier plate can be stably and robustly fixed in the elongated housing.
The carrier plate preferably has a receiving device for receiving the actuating element.
This enables the actuating element to be arranged in a safe and reliable manner.
The actuating element preferably has an actuating pin for activating a switching element associated with the drive motor.
Thus, the manipulation of the switching element can be achieved in a simple manner.
The protective cover is preferably formed as a thermoplastic injection molding.
Thus, a simple and inexpensive protective cover can be provided.
The carrier plate and the actuating element preferably have a hard plastic.
Thus, a stable carrier plate and a robust handling element can be provided.
The protective cover preferably has a recess for partially receiving the actuating element.
The actuating element can thus be arranged safely and reliably.
Drawings
The invention will be described in more detail below with reference to an embodiment in the accompanying drawings. In the accompanying drawings:
fig. 1 shows a side view of the hand-held power tool according to the invention, with an exemplary activation unit;
fig. 2 shows a partial exploded view of the hand-held power tool of fig. 1;
fig. 3 shows a perspective top view of the activation unit of fig. 1 and 2;
fig. 4 shows a perspective view of the activation unit of fig. 1 to 3 from the underside; and
fig. 5 shows a longitudinal section through the activation unit of fig. 1 to 4.
Detailed Description
In the drawings, elements having the same or similar functions are provided with the same reference numerals and are described in detail only once.
Fig. 1 shows an exemplary hand-held power tool 100, which has an elongated housing 110, for example. By virtue of the elongated housing 110, the hand power tool 100 is formed, for example, in the shape of a so-called "stick". The hand-held power tool 100 is preferably formed as a screwdriver, in particular as a rod-shaped screwdriver. According to one embodiment, the hand-held power tool 100 can be mechanically and electrically connected to an energy supply unit in order to achieve a grid-independent power supply. The energy supply unit is preferably formed as a battery or battery pack 150.
Preferably, at least one drive motor 140 for driving the tool receiving device 120 is arranged in the elongate housing 110. Illustratively, the tool receiving device 120 has a receiving device 125 for receiving a plug-in tool (290 in fig. 2). The receiving device 125 can form a hexagon socket for a screwdriver bit or bit-plug tool (290 in fig. 2).
The elongate housing 110 preferably has a cylindrical, schematically at least partially sleeve-shaped base body with a first axial end 101 and an opposite second axial end 102, wherein the tool receiving device 120 is exemplarily arranged in the region of the first axial end 101. Illustratively, the longitudinal direction 105 of the elongate housing 110 is formed between the first and second axial ends 101, 102. It should be noted that the elongated housing 110 or the outer wall 199 assigned to the housing 110 may also be formed as a hollow cylinder.
In the hand-held power tool 100 shown in fig. 1, the tool receiver 120, the drive motor 140 and the housing 110 with the grip region 115 are arranged along a common longitudinal axis, which preferably coincides with the rotational axis 103 of the tool receiver 120. Preferably, all elements of the hand-held power tool 100 are arranged in the elongate housing 110. In contrast to hand-held power tools, in which the battery is arranged perpendicular to the pistol-shaped housing of the drive motor, which is known from the prior art, the battery 150 is therefore also preferably arranged in the housing 110 of the hand-held power tool 100. Preferably, the battery 150 is fixedly disposed in the housing 110.
According to one embodiment, the drive motor 140 is provided with a transmission 145. The transmission 145 is preferably formed as a planetary gear. In addition, a sliding switch 170 is preferably provided, which is arranged on the housing 110 for activating the reverse operation of the drive motor 140. Also, the housing 110 preferably has an optional torque adjustment sleeve 130 on its axial end 101 for adjusting the associated, optional torque coupling.
Illustratively, the tool receiving device 120 has an axial longitudinal extension 109. It is noted that in the context of the present invention, the term "axial" is understood as a direction along the longitudinal extension 109 of the tool receiving means 120. Furthermore, the term "radial" is understood to be a direction substantially perpendicular to the longitudinal extension 109 of the tool receiving device 120. Thus, the radial direction 108 is substantially perpendicular to the longitudinal direction 105 of the elongated housing 110 or to the longitudinal extension 109 of the tool receiving device 120. Furthermore, the axial direction is substantially parallel to the longitudinal extension 109 of the tool receiving means 120 or to the rotational axis 103 of the tool receiving means 120.
According to one embodiment, an activation unit 175 is provided for activating the drive motor 140. According to the invention, the grip region 115 forms an activation unit 175. Preferably, the grip region 115 is axially disposed between the tool receiving device 120 and the battery 150. Illustratively, the grip region 115 is axially disposed between the optional torque adjustment sleeve 130 and the slide switch 170.
Preferably, the grip region 115 is provided with two oppositely arranged grip sections 198. Here, one of the two grip sections 198 forms an activation unit 175. The battery 150 is preferably disposed between the two grip sections 198.
Preferably, the area of the activation unit 175 is greater than 100mm 2 . In this way, the activation unit 175 can be operated comfortably and ergonomically in different grip positions of the hand-held power tool 100. Preferably, the activation unit 175 is arranged radially substantially between the rotation axis 103 of the elongated housing 110 and the outer wall 199. Preferably, the activation unit 175 forms a hand grip 190.
It should be noted that hand-held power tool 100 does not include a separate activation button for activating drive motor 140. Furthermore, the hand-held power tool 100 may also comprise an automatic start function, in which the activation of the hand-held power tool 100 may additionally or alternatively be effected by an axial displacement of the tool receiver 120. Such auto-start functionality is well known in the art and will not be described in detail for brevity.
Fig. 2 shows the hand-held power tool 100 of fig. 1, in which a plug-in tool 290 is arranged, for example, in the tool receiver 120. Further, a positioning bracket 210 is also provided, in which the drive motor 140, the transmission 145, the battery 150 and the electronic unit 220 are positioned, for example. Preferably, the positioning bracket 210 encloses the drive motor 140, the transmission 145, the battery 150, and the electronics unit 220.
Illustratively, the grip region 115 has a generally cylindrical or sleeve-shaped base 297 having an inner receiving means 298. The positioning bracket 210 is disposed in the receiving means 298. Further, a cover 299 is provided to the grip region 115. The cover 299 closes the grip region 115 on its end facing the second axial end 102 of the housing 110. The positioning bracket 210 has a support edge (Anstehkante) 215 in the transition region between the drive motor 140 and the battery 150. The support edge 215 is supported on the activation unit 175 when the activation unit 175 is manipulated.
The activation unit 175 preferably includes a protective cover 280 and a carrier plate 260 for placement on the elongated housing 110, particularly in the grip region 115. The activation unit 175 furthermore preferably comprises a control element 270 for activating the switching element 230 associated with the drive motor 140. The switching element 230 is preferably configured to the electronic unit 220. In particular, the switching element 230 is arranged on the electronic unit 220, in particular on a circuit board of the electronic unit 220. Here, the switching element 230 is preferably formed as an activation switch.
To receive the activation unit 175, the housing 110 or the grip region 115 preferably has a receiving device 252 on the grip section 198. Furthermore, the carrier plate 260 is preferably formed to arrange the activation unit 175 in the housing 110 or the grip region 115. According to one embodiment, the carrier plate 260 has locking projections 264, 266 for this purpose. Similarly, the elongated housing 110, and in particular the gripping area 115, has lock receiving means 254, 255 for forming a locking connection with the carrier plate 260. The lock receivers 254, 255 are preferably disposed in the receiver 298 of the housing 110. Here, preferably, the lock receiving means 254 is arranged to face the first axial end 101 of the housing 110 and the lock receiving means 255 is arranged to face the second axial end 102 of the housing 110.
Furthermore, the carrier plate 260 illustratively comprises receiving means 262 for receiving the actuating element 270. The receiving means 262 is preferably formed as a through opening.
The actuating element 270 preferably comprises an actuating pin 272 for activating the switching element 230 associated with the drive motor 140. The actuating pin 272 is preferably arranged on the side of the actuating element 270 facing away from the protective cover 280. Here, the manipulation pin 272 is exemplarily formed as a radial widened portion.
Likewise, the actuating element 270 has a tab 274 on its upper side facing the protective cover 280. The tabs 274 are illustratively formed toward the radially widened portion of the protective cover 280. Similarly, the protective cover 280 has a receiving device 282 for receiving the sheet 274 in the region of the actuating element 270. The receiving means 282 is preferably formed in the form of a power symbol. To improve the visibility of the power symbol, the manipulating element 270 or the sheet 274 and the protective cover 280 may have different colors.
The protective cover 280 preferably rests on the housing 110, wherein the protective cover 280 at least substantially encloses the housing interior to prevent the ingress of foreign matter, such as dust, dirt, etc. Preferably, the protective cover 280 at least partially overlaps the carrier plate 260. Preferably, the protective cover 280 is formed as a thermoplastic injection molded piece. The carrier plate 260 and the actuating element 270 are preferably made of hard plastic.
Alternatively, the carrier plate 260 may be integrally formed with the housing 110. Here, a hinge (or joint) may be formed between the carrier plate 260 and the case 110.
Furthermore, the grip region 115 or one of the two grip sections 198 preferably has a receiving device 259 for receiving the slide switch 170. The receiving means 259 is arranged axially here between the receiving means 252 and an axial end of the housing 110 facing the second axial end 102.
Fig. 3 shows the activation unit 175 of fig. 1 and 2 with a protective cover 280, a handling element 270 and a carrier plate 260. Here, fig. 3 shows locking projections 264, 266 of the carrier plate 260 for forming a locking connection with the elongate housing 110.
Preferably, three locking projections 264, 266 are provided, wherein one locking projection 266 is arranged on the end 301 facing the first axial end 101 of the hand-held power tool 100. The locking projection 266 is arranged centrally on the activation unit 175, in particular on the carrier plate 260, in the direction 303 of the activation unit 175 transversely to the longitudinal extension 109 of the tool receiver 120. Further, illustratively, two locking projections 264 are disposed on the end 302 of the activation unit 175 facing the second axial end 102. In this case, the two locking projections 264 are arranged along the direction 303 on an edge region of the activation unit 175, in particular on an edge region of the carrier plate 260. In addition, FIG. 3 shows a power sign formed by the sheet 274 of the activating element 270 and the receiving means 282 of the protective cover 280.
Fig. 4 shows the activation unit 175 of fig. 1 to 3, viewed from the underside facing the inner receiver 298 in the mounted state of the hand-held power tool 100. Here, fig. 4 shows exemplary hook-shaped locking protrusions 266 and 264 of the carrier plate 260. Fig. 4 furthermore shows the arrangement of the actuating element 270 in the receiving device 262 of the carrier plate 260. Fig. 4 also shows a control pin 272 for activating the switching element 230 or the control element 270 of the drive motor 140.
Fig. 5 shows an activation unit 175 installed in the elongated housing 110 of fig. 1 to 4. Here, fig. 5 shows a locking connection between the locking projection 266 of the carrier plate 260 and the locking receiving device 254 of the housing 110 and a locking connection between the locking projection 264 of the carrier plate 260 and the locking receiving device 255 of the housing 110.
Fig. 5 furthermore shows the arrangement of the tabs 274 of the actuating element 270 in the receiving means 282 of the protective cover 280 and the arrangement of the actuating pins 272 of the actuating element 270 on the switching element 230 for activating the drive motor 140. In this case, a clamping connection is formed between the receiving means 282 and the plate 274, so that the actuating element 270 is arranged in the receiving means 262 of the carrier plate 2601. Fig. 5 also shows a support edge 215 on which the activation unit 175 is supported during handling.
To activate handheld power tool 100, a user of handheld power tool 100 preferably manipulates activation unit 175 or protective cover 280 radially toward longitudinal axis or rotational axis 103. In this case, the hand-held power tool 100 is activated by the activation unit 175 by means of the principle of a radial lever arm. In this case, the radial movement of the protective cover 280 and/or of the actuating element 270 is transmitted to the switching element 230 via the actuating pin 272 of the actuating element 270. The switching element 230 in turn activates the drive motor 140.
According to one embodiment, a gap 510 is formed between the housing 110 and the protective cover 280. The activation unit 175 can be easily detached through the gap 510.
Fig. 5 furthermore shows a sleeve-shaped outer wall 199 which is farther from the rotation axis 103 than the activation unit 175 by a predetermined distance 520 in the radial direction 108, i.e. the activation unit 175 is radially offset towards the rotation axis 103. In this way, unintentional activation of the hand-held power tool 100, for example by placing the hand-held power tool on a surface, can be prevented in a safe and reliable manner.
Claims (11)
1. A hand-held power tool (100), in particular a screwdriver, comprising: an elongated housing (110) in which at least one drive motor (140) for driving a tool receiving device (120) is arranged, wherein the tool receiving device (120) is formed for receiving a plug-in tool (290); and an activation unit (175) for activating the drive motor (140), wherein the elongate housing (110) has a gripping region (115) which is formed for gripping the hand-held power tool (100), characterized in that the gripping region (115) forms the activation unit (175).
2. Hand-held power tool according to claim 1, characterized in that the activation unit (175) has an area of more than 100 square millimeters.
3. Hand-held power tool according to claim 1 or 2, characterized in that the elongate housing (110) has a sleeve-shaped outer wall (199) and a rotation axis (103), wherein the activation unit (175) is arranged essentially between the rotation axis (103) and the sleeve-shaped outer wall (199).
4. Hand-held power tool according to one of the preceding claims, characterized in that the activation unit (175) has a protective cover (280) and a carrier plate (260) for arrangement on the elongate housing (110), wherein the protective cover (280) partially overlaps the carrier plate (260).
5. Hand-held power tool according to one of the preceding claims, characterized in that the activation unit (175) has an actuating element (270) for activating a switching element (230) associated with the drive motor (140).
6. The hand-held power tool according to claim 4 or 5, characterized in that the carrier plate (260) has locking projections (264, 266) and the elongate housing (110) has locking receptacles (254, 255) for forming a locking connection with the carrier plate (260).
7. Hand-held power tool according to one of claims 4 to 6, characterized in that the carrier plate (260) has a receiving device (262) for receiving the actuating element (270).
8. Hand-held power tool according to one of claims 5 to 7, characterized in that the actuating element (270) has an actuating pin (272) for activating a switching element (230) associated with the drive motor (140).
9. Hand-held power tool according to one of claims 4 to 8, characterized in that the protective cover (280) is formed as a thermoplastic injection molding.
10. Hand-held power tool according to one of claims 4 to 9, characterized in that the carrier plate (260) and the actuating element (270) have a hard plastic.
11. Hand-held power tool according to one of claims 4 to 10, characterized in that the protective cover (280) has a recess (270) for partially receiving the actuating element (270).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022210257.6A DE102022210257A1 (en) | 2022-09-28 | 2022-09-28 | Hand tool with an activation unit |
| DE102022210257.6 | 2022-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117773824A true CN117773824A (en) | 2024-03-29 |
Family
ID=87801646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311281298.3A Pending CN117773824A (en) | 2022-09-28 | 2023-09-28 | Hand-held power tool with an activation unit |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4344829A1 (en) |
| CN (1) | CN117773824A (en) |
| DE (1) | DE102022210257A1 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10228452A1 (en) | 2002-06-26 | 2004-01-22 | Robert Bosch Gmbh | Handle of a machine tool |
| DE102006040647A1 (en) * | 2006-08-30 | 2008-03-13 | Robert Bosch Gmbh | Hand tool |
| DE102006048315A1 (en) * | 2006-10-12 | 2008-04-17 | Robert Bosch Gmbh | Hand tool, in particular electric scissors |
| DE102007019436A1 (en) | 2007-04-25 | 2008-10-30 | Robert Bosch Gmbh | Hand tool, in particular drilling or screwing |
| US9475180B2 (en) * | 2010-01-07 | 2016-10-25 | Black & Decker Inc. | Power tool having rotary input control |
| DE102015225723A1 (en) | 2015-12-17 | 2017-06-22 | Robert Bosch Gmbh | Hand machine tool device |
| DE102018251715A1 (en) * | 2018-12-27 | 2020-07-02 | Robert Bosch Gmbh | Hand tool |
-
2022
- 2022-09-28 DE DE102022210257.6A patent/DE102022210257A1/en active Pending
-
2023
- 2023-08-24 EP EP23193250.0A patent/EP4344829A1/en active Pending
- 2023-09-28 CN CN202311281298.3A patent/CN117773824A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE102022210257A1 (en) | 2024-03-28 |
| EP4344829A1 (en) | 2024-04-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7197961B2 (en) | Battery-driven screwdriver with a two-part motor housing and a separate, flanged gear unit | |
| US7414211B2 (en) | Modular power hand tool | |
| US7456608B2 (en) | Battery-driven screwdriver | |
| US9373458B2 (en) | Hand-held power tool | |
| US11964367B2 (en) | Hand-held power tool | |
| US20060220612A1 (en) | Modular panel for a power tool | |
| US20080053805A1 (en) | Power tool | |
| EP1808274B8 (en) | Power Tool | |
| EP3785862B1 (en) | Tool with wireless switch | |
| US20210069888A1 (en) | Hand-Held Power Tool and Method for Operating the Hand-Held Power Tool | |
| EP2404709A1 (en) | Electric power tool | |
| US4588910A (en) | Reversing switch arrangement for an electric tool | |
| CN117773824A (en) | Hand-held power tool with an activation unit | |
| WO2003057395A1 (en) | Electrical working machine | |
| CN213054662U (en) | Hand-held power tool | |
| JP3998920B2 (en) | Electric tool lighting device | |
| JP3830799B2 (en) | Power tools and power connection devices for power tools | |
| CN114505812A (en) | Hand-held power tool with an activation unit | |
| JP6481881B2 (en) | Electric tool | |
| US8678105B2 (en) | Plug arrangement in a machine tool, in particular a handheld machine tool | |
| GB2247198A (en) | Use of chuck key for power tool operation | |
| US20230256581A1 (en) | Work tool and electric tool | |
| CN112548955A (en) | Hand-held power tool and method for operating a hand-held power tool | |
| CA2507475A1 (en) | Modular panel for a power tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication |