CN114310802A - Hand-held machine tool and hand-held electric tool with same - Google Patents
Hand-held machine tool and hand-held electric tool with same Download PDFInfo
- Publication number
- CN114310802A CN114310802A CN202011050146.9A CN202011050146A CN114310802A CN 114310802 A CN114310802 A CN 114310802A CN 202011050146 A CN202011050146 A CN 202011050146A CN 114310802 A CN114310802 A CN 114310802A
- Authority
- CN
- China
- Prior art keywords
- tool
- unit
- locking
- tool head
- head
- 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
Images
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
Abstract
The invention relates to the technical field of functional tools, in particular to a handheld machine tool, which comprises a main machine shell and a driving device, wherein when a tool head is arranged on the machine tool, the tool head realizes shape locking and/or force locking connection by virtue of a first mounting component on the machine tool and a first locking component on the tool head, so that the tool head is driven by the driving device to work at a first maximum torsion strength; alternatively, the tool head is connected in a form-locking and/or force-locking manner by means of a second mounting assembly on the machine tool and a second locking assembly on the tool head, so that the tool head is driven with the second maximum torsional strength by the drive device. The tool head is matched with tool heads with different working torques by providing at least two connection modes, so that the tool machine can drive different tool heads to work with different torsional strengths.
Description
Technical Field
The invention relates to the technical field of functional tools, in particular to a handheld machine tool and a handheld electric tool with the same.
Background
In the life of people, various tools are used, for example, in the household life, tools such as a blower and a dust collector are used, in the production life, tools such as a ground drill and a stirring head are used, in the gardening life, tools such as a grass cutter and a circular saw head are used, tool heads of the tools realize fixed transmission in the same fixing mode, tool heads with different torques cannot be matched with the same main machine head, and the function of driving the tool heads with different torques and the same main machine head can not be realized. In addition, in the prior art, due to the single adaptation principle, when any one of the tool head or the main machine head fails, a new tool needs to be purchased again, which undoubtedly increases the production and living costs.
Disclosure of Invention
In order to solve the technical problem, the invention provides a handheld machine tool, which comprises a main machine shell and a driving device arranged in the main machine shell, wherein a tool head mounting part which is convenient for the shape locking and/or force locking connection of a tool head is arranged on the main machine shell; the tool head mounting part comprises at least a first mounting component and a second mounting component, when a tool head comprising a first locking component is mounted on the tool head mounting part, the tool head can realize shape locking and/or force locking connection by means of the first mounting component and the first locking component, so that the driving device can drive the tool head to work at a first maximum torsion strength;
when a tool head comprising a second locking assembly is mounted on the tool head mounting part, the tool head can be connected in a form-locking and/or force-locking manner by means of the second mounting assembly and the second locking assembly, so that the driving device can drive the tool head to work with a second maximum torsional strength which is greater than the first maximum torsional strength.
In an embodiment, the first mounting assembly is configured as a first clamping unit, and when a tool head including a first locking assembly configured as a second clamping unit is mounted on the tool head mounting portion, the tool head can be clamped and matched by the first clamping unit and the second clamping unit, so that the driving device can drive the tool head to work with the first maximum torque resistance strength.
Furthermore, the first clamping unit comprises a limiting groove and at least one stopping piece, the limiting groove and the at least one stopping piece are arranged at intervals along the circumferential direction of the host shell, the limiting groove is used for being matched with a limiting table of the second clamping unit, and the stopping piece is used for being matched with a clamping piece of the second clamping unit.
Further, the stopper includes a pressing unit and a telescopic unit, and when the pressing unit is pressed, the telescopic unit is compressed under the pressing force of the pressing unit, so that the stopper blocks and limits the clamping member on the tool bit mounting portion, or the stopper relieves the clamping member, so that the clamping member is separated from the tool bit mounting portion.
Furthermore, the pressing unit comprises a pressing part, an avoiding part and a blocking part, one end of the avoiding part is connected with the pressing part, and the other end of the avoiding part is connected with the blocking part.
In an embodiment, the second mounting assembly is configured as a first locking unit, and when a tool bit including the second locking assembly configured as a second locking unit is mounted on the tool bit mounting portion, the tool bit can be locked with the second locking unit by the first locking unit, so that the driving device can drive the tool bit to work with the second maximum torque resistance.
Further, first locking unit includes that at least one detains the platform and at least one inserts the platform, detain the platform be used for with the cooperation of the first overlap joint of second locking unit, so that the hasp on the first overlap joint with rotation piece on the first overlap joint rotates and connects the back, sets up detain the bench or with detain the platform separation, insert the platform be used for with the cooperation of the second overlap joint of second locking unit, so that insert the platform with be constructed as the snap ring the second overlap joint is pegged graft or is separated.
Further, drive arrangement includes drive unit and drive unit, and is installed when the tool bit that includes the transmission connecting piece is installed during the tool bit installation department, drive unit passes through the drive unit couples in on the transmission connecting piece, so that the drive unit is in drive under drive unit's the drive connecting piece rotates, realizes the drive arrangement drive tool bit work.
Further, the drive unit is configured as a motor, the transmission unit includes a first gear, a linkage gear, a transmission element, and a second gear, an output shaft of the motor rotates coaxially with the first gear, the linkage gear includes an input gear and an output gear that rotate coaxially, the first gear meshes with the input gear, and the output gear meshes with the second gear; the transmission element and the second gear rotate coaxially, and the transmission element is used for being coupled with the transmission connecting piece.
In an embodiment, the transmission element is provided with at least one force application surface, and the transmission connection is provided with a force application surface corresponding to the force application surface; when the tool head is arranged on the tool head mounting part, the force application surface of the transmission element is matched with the force bearing surface of the transmission connecting piece, so that when the hand-held machine tool provides driving force for the tool head, the transmission element rotates, and the force application surface can apply thrust to the force bearing surface to push the transmission connecting piece to drive the tool head to work.
Furthermore, the invention also provides a hand-held power tool, which comprises a tool head and the hand-held power tool, wherein the tool head comprises a first locking component and/or a second locking component.
In some implementations, the tool head is at least one of a blowing head or an electric drill head or a stirring head or a hedge head or a brush head or a circular saw head or a grass cutting head.
In an implementable aspect, the tool head comprises a grass cutting head, the grass cutting head comprises a connecting seat, a transmission connecting piece and an execution unit, a first locking component is arranged on the connecting seat, the execution unit comprises a first execution piece and a second execution piece, and the grass cutting head is characterized in that one end of the second execution piece is configured into a first fixing end part comprising a mounting end face, and the first fixing end part is detachably connected to the bottom of the connecting seat so that the mounting end face forms a bottom face of the tool head;
when the grass cutting head is installed on the tool head installation part through the connecting seat, the connecting seat is connected with a first installation component on the tool head installation part in a locking mode through the first locking component, and the first execution part is in power coupling with a transmission unit of the driving device through the transmission connecting piece, so that the driving device drives the first execution part to do reciprocating motion relative to the second execution part with the first maximum torsion strength.
In another embodiment, the tool head comprises an electric drill, which comprises a connecting socket, a drill and at least one connecting unit, the connecting seat is provided with at least one connecting unit which comprises at least one transmission connecting piece for the rotation of the drill bit, for the power coupling of the drill head to a transmission unit of a hand-held power tool, wherein the connection unit further comprises a second locking element which is arranged for a form-locking and/or force-locking connection with a tool head mounting of the hand-held power tool, when the electric drill bit is arranged on the tool head mounting part through the connecting seat, the electric drill bit is connected with the second mounting component on the tool head mounting part in a locking way through the second locking component on the connecting seat, so that the transmission connection and the transmission unit of the drive are connected to one another in a rotationally fixed manner.
Further, second locking subassembly is constructed as second locking unit, second locking unit includes first overlap joint and second overlap joint, first overlap joint includes hasp and rotation piece at least, hasp one end is provided with the boss, be used for with the knot platform overlap joint of first locking unit, the other end of hasp with rotate the piece and rotate and connect, it rotates to connect to rotate the piece on the connecting seat of tool head, second overlap joint is constructed as the snap ring, includes the joint outer loop and sets up the jack on the joint outer loop, the jack is used for the platform cooperation of inserting with first locking unit, in order to realize the platform is blockked to be injectd in the jack, or realize the platform is in break away from on the jack.
As described above, the present invention has the following advantageous effects:
the handheld machine tool provided by the invention realizes matching with the tool heads with different working torques by providing at least two connection modes, so that the machine tool can drive different tool heads to work with different torsional strengths, and the free portable switching of the tool heads can be realized by various connection modes, the diversification of tool functions is realized, and different requirements of customers are met;
in addition, because the hand-held type machine tool can be selectively and detachably connected with the tool head, the hand-held type electric tool can be respectively stored or respectively transported after being disassembled into the hand-held type machine tool and the tool head, so that the tool occupies a small space, is more flexible and changeable in storage and transportation, and is convenient for an operator to store or transport the tool.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art it is also possible to derive other drawings from these drawings without inventive effort.
Fig. 1 is a schematic illustration of a hand-held power tool according to the present application;
fig. 2 is a partial schematic illustration of a hand-held power tool according to the present application;
FIG. 3 is a schematic structural diagram of a driving device according to the present application;
FIG. 4 is a schematic structural view of a first stop according to the present application;
FIG. 5 is a schematic view of a tool head according to the present application
FIG. 6 is a schematic view of another angled configuration of the tool head of FIG. 5;
FIG. 7 is a schematic structural view of a power tool including the tool head of FIG. 5 as described herein;
FIG. 8 is a schematic view of another tool bit configuration described herein;
FIG. 9 is a schematic view of the construction of the first strap of the tool head of FIG. 8;
FIG. 10 is a schematic structural view of a power tool including the tool bit of FIG. 7 according to the present application
FIG. 11 is a cross-sectional view of FIG. 10;
FIG. 12 is an enlarged view at I of FIG. 11;
wherein the reference numbers in the drawings correspond to the following:
100-hand-held power tool, 200-tool head,
1-a main machine shell, 11-a tool head mounting part, 111-a first side plate, 112-a first top plate, 113-a first bottom plate, 12-an operating handle, 13-a first mounting component, 131-a limiting groove, 132-a stopping piece, 1321-a pressing unit, 13211-a pressing part, 13212-an avoiding part, 13213-a stopping part, 1322-a telescopic unit, 14-a second mounting component, 141-a buckling platform, 142-a plugging platform, 15-a supporting shell, 151-a second side plate, 152-a second top plate, 153-a second bottom plate,
2-connecting base, 21-first locking component, 211-limit table, 212-snap-in piece, 22-second locking component, 221-first strap, 2211-buckle, 2212-rotating piece, 2213-connecting piece, 222-second strap,
3-drive, 31-drive, 32-transmission, 321-first gear, 322-second gear, 323-linkage, 3231-input, 3232-output, 324-transmission element;
4-drive connection, 5-actuator unit, 51-first actuator, 52-second actuator, 521-first fixed end, 6-drill.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example 1:
in order to solve the problems in the prior art, the present invention provides a hand-held power tool 100 as shown in fig. 1 to 4, comprising a main housing 1, a driving device 3 disposed in the main housing 1, a tool bit mounting portion 11 disposed on the main housing 1 for facilitating a form-locking and/or force-locking connection of a tool bit 200 as shown in fig. 5 to 7 or fig. 8 to 12; the tool head mount 11 comprises at least a first mounting element 13 and a second mounting element 14, and when the tool head 200 comprising the first locking element 21 is mounted on the tool head mount 11, the tool head 200 can be connected in a form-locking and/or force-locking manner by means of the first mounting element 13 and the first locking element 21, so that the drive device 3 can drive the tool head 200 to operate with a first maximum torsional strength;
when the tool head 200 with the second locking element 22 is mounted on the tool head mount 11, the tool head 200 can be positively and/or non-positively connected by means of the second mounting element 14 and the second locking element 22, so that the drive device 3 can drive the tool head 200 with a second maximum torsional strength, which is greater than the first maximum torsional strength.
In some implementations, the tool head 200 includes at least one of a blowing head, an earth boring head, a stirring head, a hedge head, a brush head, a circular saw head, and a grass cutting head.
Specifically, in the present embodiment, the specific configuration of the tool will be specifically described by taking, as examples, the hand-held power tool 100 shown in fig. 1 to 4 and the tool bit 200 shown in fig. 5.
Specifically, as shown in fig. 1 to 3, the hand-held power tool 100 includes a main body housing 1 and a driving device 3 located in the main body housing 1, and the main body housing 1 includes an operating handle 12 extending toward one end of the main body housing 1 for gripping and a tool bit mounting portion 11 extending toward the other end of the main body housing 1. The tool bit mounting portion 11 includes a first side plate 111, and a first top plate 112 and a first bottom plate 113 provided at both ends of the first side plate 111. Preferably, the first side plate 111 is a curved surface.
Specifically, the tool bit mounting portion 11 is used for mounting the tool bit 200 shown in fig. 5, as shown in fig. 1 and 2, the tool bit mounting portion 11 is provided with a first mounting component 13 and a second mounting component 14, the first mounting component 13 is configured as a first clamping unit, the first clamping unit includes a limiting groove 131 and at least one stopping component 132, and the limiting groove 131 and the at least one stopping component 132 are arranged at intervals along the circumferential direction of the main housing 1. Preferably, the two stoppers 132 include a first stopper and a second stopper, and the two limiting grooves 131, the first stopper and the second stopper may be arranged at an interval of 120 ° in a circumferential direction of the main housing 1.
Preferably, the limiting groove 131 is disposed on the first top plate 112 of the main machine housing 1 and extends in a direction away from the first top plate 112. The stopper 132 includes a pressing unit 1321 and a telescopic unit 1322, and when an external force is applied to the pressing unit 1321, the telescopic unit 1322 is compressed by the pressing force of the pressing unit 1321.
It can be understood that, by arranging the limiting groove and the at least one stopping piece in the first clamping unit along the perimeter of the main machine shell, the mounted tool head can be supported based on the mounting position point, and is uniformly stressed, so that the stress stability of the main machine shell 1 can be improved.
In addition, in the first clamping unit, a limit groove with a certain inclination is arranged, so that the fool-proof element is played, the mounting error of the tool head and the mounting part of the tool head is avoided, and the mounting and using safety is improved.
The second mounting assembly 14 is configured as a first locking unit for enabling driving of a tool head 200 comprising a second locking assembly 22.
It will be appreciated that when the first mounting assembly 13 and the second mounting assembly 14 are arranged on the tool head mounting portion 11, the features of the first mounting assembly 13 are staggered with the features of the second mounting assembly 14 to avoid interference when the tool head 200 is mounted on the tool head mounting portion 11.
In the present embodiment, as shown in fig. 5, 6 and 7, the grass cutting head comprises a connecting base 2, a transmission connecting member 4 and an actuating unit 5, wherein the connecting base 2 is provided with a first locking component 21, the actuating unit 5 comprises a first actuating member 51 and a second actuating member 52, one end of the second actuating member 52 is configured as a first fixing end 521 comprising a mounting end surface, and the first fixing end 521 is detachably connected to the bottom of the connecting base 2 so that the mounting end surface is formed as the bottom surface of the tool head 200;
when the grass cutting head passes through connecting seat 2 is installed when the instrument head installation department 11 is gone up, connecting seat 2 passes through first locking subassembly 21 is connected with the first installation subassembly 13 closure on the instrument head installation department 11, specifically does, and first locking subassembly 21 is constructed as second joint unit, and when the instrument head 200 including first locking subassembly 21 was installed on the instrument head installation department 11, instrument head 200 can realize the joint cooperation with the help of first joint unit and second joint unit, first executor 51 passes through transmission connecting piece 4 with drive arrangement 3's transmission unit 32 realizes power coupling, makes drive arrangement 3 drives with first maximum torsional strength first executor 51 is relative second executor 52 makes reciprocating motion. The first maximum torsion strength refers to that the driving device 3 drives the tool bit 200 to operate within a range from 0 to the first maximum torsion strength, preferably, the first maximum torsion strength may be 0-5N ″, under the premise that the handheld power tool and the tool bit 200 are not loosened during normal operation of the handheld power tool.
Specifically, as shown in fig. 5 and fig. 6, the second clamping unit includes a limiting platform 211 and at least one clamping member 212, preferably, in this embodiment, two clamping members 212 include a first clamping member and a second clamping member, the limiting platform 211 is matched with the limiting groove 131 of the first clamping unit, the first clamping member is matched with the first stopping member of the first clamping unit, and the second clamping member is matched with the second stopping member of the first clamping unit.
Specifically, the compression of the telescopic unit 1322 can be realized by pressing the pressing units 1321 of the first and second stoppers, so that the stopper 132 blocks and limits the clamping member 212 on the tool head mounting portion 11, or the stopper 132 contacts and limits the clamping member 212, so that the connectable member 212 is separated from the tool head mounting portion 11, thereby realizing that the first clamping unit is connected with the second clamping unit or separated from the second clamping unit, and realizing the resetting after the first clamping unit and the second clamping unit are clamped or separated after the pressing force disappears.
In practical application, realize the joint cooperation of instrument head and instrument head installation department through first joint unit and second joint unit, simple structure, the installation, dismantle conveniently, can realize the quick installation and the dismantlement of instrument head, require lowly to user's specialty, can try in the user on a trial.
Further, a support housing 15 is further disposed inside the main housing 1, and the support housing 15 includes a second side plate 151, and a second top plate 152 and a second bottom plate 153 disposed at two ends of the second side plate 151. Preferably, the second side plate 151 is curved. One end of the expansion unit 1322 is connected to the pressing unit 1321, the other end of the expansion unit 1322 is connected to the support housing 15, and the other end of the pressing unit 1321 is suspended. As shown in fig. 4, the pressing unit 1321 includes a pressing portion 13211, a relief portion 13212, and a stopper portion 13213, one end of the relief portion 13212 is connected to the pressing portion 13211, and the other end of the relief portion 13211 is connected to the stopper portion 13213.
The first side plate 111 includes a first through hole and a second through hole, the connecting end of the pressing portion 13211, the connecting end of the stopping portion 13213, and the avoiding portion 13212 are all disposed between the host casing 1 and the support casing 15, the non-connecting end of the pressing portion 13211 extends out of the first through hole, the non-connecting end of the pressing portion 13211 is in clearance fit with the first through hole, the non-connecting end of the stopping portion 13213 extends out of the second through hole, and the non-connecting end of the stopping portion 13213 is in clearance fit with the second through hole.
In practical application, through the arrangement of the gap fit between the non-connecting end of the pressing part and the first through hole and the gap fit between the non-connecting end of the stopping part and the second through hole, the movement smoothness of the pressing unit when the pressing unit drives the telescopic unit to move can be guaranteed, the tool head can be conveniently assembled and disassembled, and the user experience is improved.
It is understood that the first through hole and the second through hole are only one preferred way to be formed in the first side plate 111, in other practical solutions, the first side plate 111 may only include the first through hole, the connecting end of the pressing portion 13211 is disposed between the host casing 1 and the supporting casing 15, the non-connecting end of the pressing portion 13211 extends out of the first through hole, the end of the avoiding portion 13212 connected to the pressing portion 13211 is disposed between the host casing 1 and the supporting casing 15, and the end of the avoiding portion 13212 connected to the stopping portion 13213 extends out of the first top plate 112.
It should be further understood that the first mounting assembly 13 is composed of the limiting groove 131, the first stopping member and the second stopping member, and the above-mentioned structure of the first stopping member and the second stopping member is only a preferred solution, in other implementable solutions, the first mounting assembly 13 may also include a limiting groove 131 and a protrusion, and the first locking assembly 21 is designed to include a boss matched with the limiting groove 131 and a buckle matched with the protrusion, so as to realize the clamping connection of the first mounting assembly 13 and the first locking assembly 21. Alternatively, the first mounting component 13 may also include a limiting groove 131 and two protrusions, and the first locking component 21 includes a boss matching with the limiting groove 131 and two buckles matching with the two protrusions in the first mounting component 13, respectively, so as to implement the clamping connection between the first mounting component 13 and the first locking component 21, or other structures that can implement the clamping connection, which is not limited specifically herein.
As shown in fig. 3, the driving device 3 includes a driving unit 31 and a transmission unit 32, as shown in fig. 5 and 6, the tool head 200 further includes a transmission connector 4, when the tool head 200 including the transmission connector 4 is mounted on the tool head mounting portion 11, the driving unit 31 is coupled to the transmission connector 4 through the transmission unit 32, so that the transmission unit 32 drives the transmission connector 4 to rotate under the driving of the driving unit 31, and the driving device 3 drives the tool head 200 to work.
Specifically, the driving unit 31 is configured as a motor, the transmission unit 32 is located in the support housing 15, and a motor shaft of the motor penetrates through the support housing 15 to be connected with the transmission unit 32, so that the motor drives the transmission unit 32 to rotate.
Specifically, as shown in fig. 3, the transmission unit 32 includes a first gear 321, a linkage gear 323, a transmission element 324, and a second gear 322, an output shaft of the motor passes through the second bottom 153 plate of the support housing 15 and then rotates coaxially with the first gear 321, the linkage gear 323 includes an input gear 3231 and an output gear 3232 that rotate coaxially, the input gear 3231 is connected with the output gear 3232 through a connection shaft, the input gear 3231 and the output gear 3232 are disposed on the connection shaft at intervals, and the connection shaft is rotatably connected with the support housing 15. The first gear 321 is meshed with the input gear 3231 to transmit the driving force of the motor to the output gear 3232, and the output gear 3232 is meshed with the second gear 322 for further transmitting the driving force of the motor to the second gear 322; the transmission member 324 is coaxially rotated with the second gear 322, and the transmission member 324 is used for coupling with the transmission connecting member 4 of the tool bit 200, so as to finally transmit the driving force of the motor to the tool bit 200 through the transmission member 324 to drive the tool bit 200 to work.
Preferably, at least one force application surface is configured on the transmission element 324, and a force bearing surface corresponding to the force application surface is configured on the transmission connecting piece 4; when the tool bit 200 is mounted on the tool bit mounting portion 11, the force applying surface of the transmission element 324 is engaged with the force bearing surface of the transmission link 4, so that when the hand-held power tool 100 provides driving force for the tool bit 200, the transmission element 324 rotates and the force applying surface can apply pushing force to the force bearing surface to push the transmission link 4 to drive the tool bit 200 to work.
Under a specific application scene, the rotating speed output by the motor 31 can be accelerated or decelerated by changing the sizes of the first gear 321, the second gear 322 and the linkage gear 323 so as to adapt to different requirements of different tools. In addition, can realize carrying out multistage speed reduction to the rotational speed of motor 31 output through setting up linkage gear 323 for driving medium 324 outputs less rotational speed n, if directly mesh second gear 322 with output gear 3232, in order to make driving medium 324 obtain the same rotational speed n, need set up the diameter of output gear 3232 to great size, lead to the size of transmission assembly 32 on the horizontal direction great, inconvenient operator's operation, this embodiment can effectively reduce the size of power component on the horizontal direction through setting up linkage gear 323, reduce the volume of transmission assembly 32, the operator's operation of being convenient for.
The handheld machine tool provided by the invention realizes matching with the tool heads with different working torques by providing at least two connection modes, so that the machine tool can drive different tool heads to work with different torsional strengths, and the free portable switching of the tool heads can be realized by various connection modes, the diversification of tool functions is realized, and different requirements of customers are met;
in addition, because the hand-held type machine tool can be selectively and detachably connected with the tool head, the hand-held type electric tool can be respectively stored or respectively transported after being disassembled into the hand-held type machine tool and the tool head, so that the tool occupies a small space, is more flexible and changeable in storage and transportation, and is convenient for an operator to store or transport the tool.
Example 2:
specifically, in the above embodiment 1, only the embodiment in which the first locking member 21 is provided on the tool bit 200 is described, and in the present embodiment, the embodiment in which the second locking member 22 is provided on the tool bit 200 is described by taking the tool bit 200 as an example of a ground drill.
Specifically, as shown in fig. 1 to 4, the hand-held power tool 100 includes a main body housing 1 and a driving device 3 located in the main body housing 1, and the main body housing 1 includes an operating handle 12 extending toward one end of the main body housing 1 for gripping and a tool bit mounting portion 11 extending toward the other end of the main body housing 1. The tool bit mounting portion 11 includes a first side plate 111, and a first top plate 112 and a first bottom plate 113 provided at both ends of the first side plate 111. Preferably, the first side plate 111 is a curved surface.
Specifically, the tool bit mounting portion 11 is used for mounting the tool bit 200 shown in fig. 8 to 12, the first mounting component 13 and the second mounting component 14 are disposed on the tool bit mounting portion 11, the first mounting component 13 is configured as a first clamping unit, the first clamping unit includes a limiting groove 131 and at least one stopping member 132, and the limiting groove 131 and the stopping member 132 are disposed at intervals along the circumferential direction of the main chassis 1. Preferably, in the present embodiment, the two stoppers 132 include a first stopper and a second stopper, and the position-limiting groove 131, the first stopper and the second stopper may be arranged at an interval of 120 ° in a circumferential direction of the main housing 1.
It can be understood that, by arranging the limiting groove 131, the first stopping member and the second stopping member in the first clamping unit at intervals along the circumference of the host casing 1, the force stability of the host casing 1 can be improved.
Preferably, the limiting groove 131 is disposed on the first top plate 112 of the main machine housing 1 and extends in a direction away from the first top plate 112. The stopper 132 includes a pressing unit 1321 and a telescopic unit 1322, and when an external force is applied to the pressing unit 1321, the telescopic unit 1322 is compressed by the pressing force of the pressing unit 1321.
It can be understood that the limiting groove in the first clamping unit, the first stopping piece and the second stopping piece are arranged at intervals along the circumference of the main machine shell, so that the mounted tool head can be supported based on the mounting position point, the force is uniformly applied, and the force stability of the main machine shell 1 can be improved.
In addition, in the first clamping unit, a limit groove with a certain inclination is arranged, so that the fool-proof element is played, the mounting error of the tool head and the mounting part of the tool head is avoided, and the mounting and using safety is improved.
The second mounting assembly 14 is configured as a first locking unit for enabling driving of a tool head 200 comprising a second locking assembly 22. At least one catch 141 and at least one catch 142 are provided on the counter locking unit. As shown in fig. 1 and 2, in the present embodiment, the first locking unit includes a catch stage 141 and a catch stage 142, and the catch stage 141 and the catch stage 142 are disposed at an interval of 180 ° in the circumferential direction of the main body case 1. Specifically, the fastening table 141 and the inserting table 142 are both disposed on the first side plate 111, one end of the fastening table 141 is connected to the first side plate 111, the other end of the fastening table 141 extends in a direction away from the first side plate 111, one end of the inserting table 142 is connected to the first side plate 111, and the other end of the inserting table 142 extends in a direction away from the first side plate 111.
It is understood that the angle between the fastening platform 141 and the inserting platform 142 is not limited to 180 °, and the included angle between the fastening platform 141 and the inserting platform 142 may be 120 °, 145 °, 160 ° or other angles.
In the present embodiment, as shown in fig. 8 to 12, the tool bit 200 is an electric drill, and may be an earth-boring drill, the electric drill includes a connecting base 2, a drill 6, and at least one connecting unit, the connecting base 2 is provided with at least one connecting unit, the connecting unit includes at least one transmission connecting member 4 for the rotation of the drill 6, and is used for power coupling the drill 6 with a transmission unit 32 of a hand-held power tool, the connecting unit further includes a second locking component 22 arranged for a form-locking and/or force-locking connection with a tool bit mounting portion 11 of the hand-held power tool, when the electric drill is mounted on the tool bit mounting portion 11 through the connecting base 2, the electric drill is connected with a second mounting component 14 on the tool bit mounting portion 11 through the second locking component 22 on the connecting base 2, so that the transmission connection 4 and the transmission unit 32 of the drive 3 are connected to one another in a rotationally fixed manner. It is understood that the relative rotation resistance between the transmission connection member 4 and the transmission unit 32 means that when the rotation unit 32 of the driving device 3 rotates the transmission connection member 4 of the tool head 200, the opposite resistance exists between the rotation element 32 and the transmission connection member 4.
The connecting seat 2 of the tool head 200 is provided with a second locking component 22, so that the locking connection with the second mounting component 14 through the second locking component 22 is realized. In particular, the second locking assembly 22 is configured as a second locking unit, and when the tool bit 200 including the second locking assembly 22 is mounted on the tool bit mounting portion 11, the tool bit 200 can be locked by the first locking unit and the second locking unit, so that the driving device 3 drives the tool bit 200 to work with a second maximum torque strength which is greater than the first maximum torque strength. The second maximum torsion strength refers to that the driving device 3 can drive the tool bit 200 to operate between the first maximum torsion strength and a second maximum torsion strength under the precondition that the handheld power tool and the tool bit 200 are not loosened during normal operation of the handheld power tool, and preferably, the second maximum torsion strength may be 0-30N £ m.
Further, as shown in fig. 9 to 12, the second locking unit includes a first strap 221 and a second strap 222, the fastening platform 141 is engaged with the first strap 221, and the inserting platform 142 is engaged with the second strap 222. Specifically, the first overlapping member 221 includes a buckle 2211 and a rotating member 2212, the buckle 2211 is connected with the rotating member 2212 in a rotating manner and then is erected on the buckling platform 141, or is separated from the buckling platform 141, so as to realize locking or separation of the first overlapping member 221 and the buckling platform 141, specifically, one end of the buckle 2211 is erected on the buckling platform 141, the other end is connected with the rotating member 2212, and the rotating member 2212 is connected with the connecting seat 2 of the tool head 200 through a connecting member 2213; the second strap 222 is configured as a snap ring, and includes a snap outer ring and a socket opening on the snap outer ring, the socket being used for cooperating with the plug-in platform 142 of the first locking unit to enable the plug-in platform 142 to be blocked and limited in the socket or to enable the plug-in platform 142 to be detached on the socket. Preferably, the connection member 2213 may be provided on the coupling holder 2 or on the first strap 221, which is not particularly limited herein.
It will further be appreciated that when the first mounting assembly 13 and the second mounting assembly 14 are arranged on the tool head mounting portion 11, the features of the first mounting assembly 13 are staggered with the features of the second mounting assembly 14 to avoid interference when the tool head 200 is mounted on the tool head mounting portion 11.
Further, rotate piece 2212 and include first side ear, connecting rod and second side ear, and the one end of connecting rod is connected with the bottom of first side ear, and the other end of connecting rod is connected with the bottom of second side ear, and the connecting rod all extends from the top of first side ear and the top of second side ear.
The non-overlapping end of the buckle 2211 is provided with a first lug and a second lug which are symmetrically arranged, the first lug is rotatably connected with the bottom of the first side lug, the second lug is rotatably connected with the bottom of the second side lug, one end of the connecting piece 2213 which is not connected with the connecting base 2 is arranged between the first side lug and the second side lug, and the top of the first side lug and the top of the second side lug are rotatably connected through a rotating shaft.
Specifically, when the tool bit 200 is mounted on the tool bit mounting part 11, the plug board 142 is plugged onto the second strap 222 configured as a snap ring, so as to realize the preliminary positioning of the tool bit 200 and the tool bit mounting part 11 based on the matching of the second strap 222 and the plug board 142, further, the buckle 2211 is enabled to be arranged on the buckle 141 after the buckle 2211 is rotated, thereby realizing the lap joint fixing of the first strap 221 and the buckle 141, and further realizing the final matching of the tool bit 200 and the tool bit mounting part 11 through the matching of the first strap 221 and the buckle 141 and the matching of the second strap 222 and the plug board 142.
It is understood that the second strap 222 is configured as a snap ring, which is only one preferred solution, and in other applicable solutions, the second strap 222 may also be configured as the same structure as the first strap 221, and based on the installation habit, a preferential installation of the first strap 221 or the second strap 222 is achieved.
Further, as shown in fig. 3, the driving device 3 includes a driving unit 31 and a transmission unit 32, and as shown in fig. 8 to fig. 11, the tool head 200 further includes a transmission connector 4, when the tool head 200 including the transmission connector 4 is mounted on the tool head mounting portion 11, the driving unit 31 is coupled to the transmission connector 4 through the transmission unit 32, so that the transmission unit 32 drives the transmission connector 4 to rotate under the driving of the driving unit 31, and the driving device 3 drives the tool head 200 to work.
Specifically, as shown in fig. 3, the driving unit 31 is configured as a motor, the transmission unit 32 is located in the support housing 15, and a motor shaft of the motor penetrates through the support housing 15 to be connected with the transmission unit 32, so that the motor drives the transmission unit 32 to rotate.
More specifically, the transmission unit 32 includes a first gear 321, a linkage gear 323, a transmission element 324 and a second gear 322, the motor passes through the second bottom plate 153 of the support housing 15 and then rotates coaxially with the first gear 321, the linkage gear 323 includes an input gear 3231 and an output gear 3232 which rotate coaxially, the input gear 3231 and the output gear 3232 are connected through a connection shaft, the input gear 3231 and the output gear 3232 are arranged on the connection shaft at intervals, and the connection shaft is rotatably connected with the support housing 15. The first gear 321 is meshed with the input gear 3231 to transmit the driving force of the motor to the output gear 3232, and the output gear 3232 is meshed with the second gear 322 for further transmitting the driving force of the motor to the second gear 322; the transmission member 324 is coaxially rotated with the second gear 322, and the transmission member 324 is used for coupling with the transmission connecting member 4 of the tool bit 200, so as to finally transmit the driving force of the motor to the tool bit 200 through the transmission member 324 to drive the tool bit 200 to work.
Preferably, the transmission element is provided with at least one force application surface, and the transmission connecting piece is provided with a force application surface corresponding to the force application surface; when the tool bit is installed on the tool bit installation part, the force application surface of the transmission element is matched with the force bearing surface of the transmission connecting piece, so that when the handheld tool machine provides driving force for the tool bit, the transmission element rotates, the force application surface can apply thrust to the force bearing surface, and the transmission connecting piece is pushed to drive the tool bit to work.
It can be understood that, by changing the sizes of the first gear 321, the second gear 322 and the linkage gear 323, the rotating speed output by the motor 31 can be accelerated or decelerated to adapt to different requirements of different tools. In addition, can realize carrying out multistage speed reduction to the rotational speed of motor 31 output through setting up linkage gear 323 for driving medium 324 outputs less rotational speed n, if directly mesh second gear 322 with output gear 3232, in order to make driving medium 324 obtain the same rotational speed n, need set up the diameter of output gear 3232 to great size, lead to the size of transmission assembly 32 on the horizontal direction great, inconvenient operator's operation, this embodiment can effectively reduce the size of power component on the horizontal direction through setting up linkage gear 323, reduce the volume of transmission assembly 32, the operator's operation of being convenient for.
Example 3:
furthermore, in the above embodiments 1 and 2, only one locking assembly is provided on the tool head 200, and in other practical solutions, the tool head 200 may also be provided with the first locking assembly 21 and the second locking assembly 22 at the same time, and selectively snap-connected with the first mounting assembly 13 through the first locking assembly 21 and snap-connected with the second mounting assembly 14 through the second locking assembly 22. Therefore, by providing two types of locking assemblies on the tool head 200, an adapted connection can be selected based on the force to which the tool head 200 is subjected, so as to achieve a secure connection of the tool head 200 to the hand-held power tool 100.
It will be appreciated that when the first locking member 21 and the second locking member 22 are simultaneously disposed on the same tool head 200, the respective structures of the first locking member 21 are staggered from the respective structures of the second locking member 22, and the disposition position ensures that no interference occurs between the structures when the first mounting member 13 and the second mounting member 14 are mated with the staggered arrangement.
Furthermore, in this embodiment, reference may be made to the description of embodiments 1 and 2 above where the hand-held power tool 100 and the tool bit 20 are not described, and further description thereof is omitted.
Further, the main machine housing 1 in all the above embodiments includes the first mounting assembly 13 and the second mounting assembly 14, which is only a preferred way, in other practical solutions, the main machine housing 1 may further include a third mounting assembly, a fourth mounting assembly or more mounting assemblies, and similarly, the tool head 200 is provided with the first locking assembly 21 and the second locking assembly 22, which is also a preferred way, in other practical solutions, the tool head 200 may further include a third locking assembly, a fourth locking assembly or more locking assemblies. Furthermore, it is understood that the arrangement of the locking element on the tool head 200 and the arrangement of the mounting element on the hand-held power tool 100 is only a pre-selection option, and that in other implementations, the locking element on the hand-held power tool 100 and the arrangement of the mounting element on the tool head 200, i.e. the position of the locking structure on the hand-held power tool 100 and the position of the locking structure on the tool head 200 can be interchanged, and in particular, the locking of the hand-held power tool 100 and the tool head 200 can be implemented based on the implementation, without any particular limitation.
Example 4:
in this embodiment, the tool bit 200 is a blowing head, and the manner of adapting the blowing head to the hand-held power tool 100 is the same as that of adapting the electric drill to the hand-held power tool 100 in embodiment 2, which is not described herein again.
Example 5:
in this embodiment, the tool bit 200 is a stirring head, and the way of adapting the stirring and handheld power tool 100 is the same as that of adapting the electric drill and handheld power tool in embodiment 2, and is not described herein again.
The handheld machine tool provided by the invention realizes matching with the tool heads with different working torques by providing at least two connection modes, so that the machine tool can drive different tool heads to work with different torsional strengths, and the free portable switching of the tool heads can be realized by various connection modes, the diversification of tool functions is realized, and different requirements of customers are met;
in addition, because the hand-held type machine tool can be selectively and detachably connected with the tool head, the hand-held type electric tool can be respectively stored or respectively transported after being disassembled into the hand-held type machine tool and the tool head, so that the tool occupies a small space, is more flexible and changeable in storage and transportation, and is convenient for an operator to store or transport the tool.
Although the present invention has been described by way of preferred embodiments, the present invention is not limited to the embodiments described herein, and various changes and modifications may be made without departing from the scope of the present invention.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The embodiments and features of the embodiments described herein above can be combined with each other without conflict.
While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. A hand-held machine tool comprises a main machine shell (1) and a driving device (3) arranged in the main machine shell (1), wherein a tool head mounting part (11) which is convenient for the shape locking and/or force locking connection of a tool head (200) is arranged on the main machine shell (1); the method is characterized in that: the tool head mounting part (11) comprises at least a first mounting component (13) and a second mounting component (14), when a tool head (200) comprising a first locking component (21) is mounted on the tool head mounting part (11), the tool head (200) can realize a shape locking and/or force locking connection by means of the first mounting component (13) and the first locking component (21), so that the driving device (3) can drive the tool head (200) to work with a first maximum torsion strength;
when a tool head (200) comprising a second locking component (22) is mounted on the tool head mounting part (11), the tool head (200) can be connected in a form-locking and/or force-locking manner by means of the second mounting component (14) and the second locking component (22) so that the driving device (3) can drive the tool head (200) to work with a second maximum torsional strength which is greater than the first maximum torsional strength.
2. The hand-held power tool according to claim 1, characterized in that the first mounting assembly (13) is designed as a first snap-in unit, by means of which the tool head (200) can be snap-fitted when the tool head (200) comprising the first locking assembly (21) designed as a second snap-in unit is mounted on the tool head mount (11), so that the drive device (3) can drive the tool head (200) with the first maximum torque resistance;
preferably, the second mounting assembly (14) is designed as a first locking unit, by means of which the tool head (200) can be locked when a tool head (200) comprising a second locking assembly (22) designed as a second locking unit is mounted on the tool head mounting (11), so that the drive device (3) can drive the tool head (200) with the second maximum torque resistance.
3. The hand-held machine tool according to claim 2, wherein the first clamping unit comprises a limiting groove (131) and at least one stop member (132), the limiting groove (131) and the at least one stop member (132) are arranged at intervals along the circumferential direction of the main machine housing (1), the limiting groove (131) is used for matching with a limiting table (211) of the second clamping unit, and the stop member (132) is used for matching with a clamping member (212) of the second clamping unit;
preferably, the stopper (132) includes a pressing unit (1321) and a telescopic unit (1322), and when the pressing unit (1321) is pressed, the telescopic unit (1322) is compressed under the pressing force of the pressing unit (1321) so that the stopper (132) blocks and defines the clip (212) on the tool head mounting portion (11), or the stopper (132) de-defines the clip (212) so that the clip (212) is disengaged on the tool head mounting portion (11);
preferably, the first locking unit includes at least one catching stand (141) and at least one inserting stand (142), the catching stand (141) is used for cooperating with the first strap (221) of the second locking unit, so that the buckle (2211) on the first strap (221) is caught on the catching stand (141) or separated from the catching stand (141) after being rotatably connected with the rotating piece (2212) on the first strap (221);
the plug stand (142) is used for being matched with a second bridge piece (222) of the second locking unit, so that the plug stand (142) is plugged in or separated from the second bridge piece (222) which is constructed into a snap ring.
4. The hand-held power tool according to claim 3, characterized in that the pressing unit (1321) comprises a pressing portion (13211), a relief portion (13212) and a stopper portion (13213), wherein one end of the relief portion (13212) is connected to the pressing portion (13211), and the other end of the relief portion (13212) is connected to the stopper portion (13213).
5. The hand-held power tool according to claim 1, wherein the driving device (3) comprises a driving unit (31) and a transmission unit (32), when the tool bit (200) comprising the transmission connecting piece (4) is mounted on the tool bit mounting part (11), the driving unit (31) is coupled to the transmission connecting piece (4) through the transmission unit (32), so that the transmission unit (32) drives the transmission connecting piece (4) to rotate under the driving of the driving unit (31), and the driving device (3) drives the tool bit (200) to work.
6. The hand-held power tool according to claim 5, characterized in that the drive unit (31) is configured as a motor, the transmission unit (32) comprising a first gearwheel (321), a linkage gearwheel (323), a transmission element (324) and a second gearwheel (322), an output shaft of the motor rotating coaxially with the first gearwheel (321), the linkage gearwheel (323) comprising a coaxially rotating input gearwheel (3231) and an output gearwheel (3232), the first gearwheel (321) meshing with the input gearwheel (3231), the output gearwheel (3232) meshing with the second gearwheel (322); the transmission element (324) rotates coaxially with the second gear (322);
preferably, at least one force application surface is configured on the transmission element (324), and a force bearing surface corresponding to the force application surface is configured on the transmission connecting piece (4); when the tool head (200) is mounted on the tool head mounting part (11), the force application surface of the transmission element (324) is matched with the force bearing surface of the transmission connecting piece (4), so that when the handheld machine tool (100) provides driving force for the tool head (200), the transmission element (324) rotates and the force application surface can apply thrust to the force bearing surface to push the transmission connecting piece (4) to drive the tool head (200) to work.
7. Hand-held power tool, characterized in that it comprises a tool head (200) and a hand-held power tool (100) according to any one of claims 1 to 6;
preferably, the tool head (200) comprises at least one of a blowing head or an electric drill head or a stirring head or a hedge head or a brush head or a circular saw head or a grass cutting head, and the tool head (200) is provided with a first locking component (21) and/or a second locking component (22).
8. The hand-held electric tool according to claim 7, wherein the tool head (200) comprises a grass cutting head, the grass cutting head comprises a connecting seat (2), a transmission connecting piece (4) and an executing unit (5), a first locking component (21) is arranged on the connecting seat (2), the executing unit (5) comprises a first executing piece (51) and a second executing piece (52), one end of the second executing piece (52) is configured to be a first fixing end part (521) comprising a mounting end surface, and the first fixing end part (521) is detachably connected to the bottom of the connecting seat (2) so that the mounting end surface is formed as the bottom surface of the tool head (200);
when the grass cutting head passes through the connecting seat (2) is installed on the tool head installation part (11), the connecting seat (2) is connected with a first installation component (13) on the tool head installation part (11) in a locking mode through a first locking component (21), and a first executive part (51) is connected with a transmission unit (32) of a driving device (3) in a power coupling mode through a transmission connecting piece (4), so that the driving device (3) drives the first executive part (51) relatively to a second executive part (52) in a reciprocating mode with first maximum torsional strength.
9. The hand-held power tool according to claim 7, characterized in that the tool head (200) comprises a power drill, characterized in that the power drill comprises a connection socket (2), a drill (6) and at least one connection unit, at least one connection unit being provided on the connection socket (2), the connection unit comprising at least one transmission connection (4) for the rotation of the drill (6) for the power coupling of the drill (6) with a transmission unit (32) of a hand-held power tool;
the connecting unit also comprises a second locking component (22) which is arranged for form-locking and/or force-locking connection with a tool head mounting part (11) of the hand-held power tool, when the electric drill is mounted on the tool head mounting part (11) by means of the connecting base (2), the electric drill is connected in a locking manner with a second mounting component (14) on the tool head mounting part (11) by means of the second locking component (22) on the connecting base (2), so that the transmission connecting piece (4) and a transmission unit (32) of the drive device (3) are connected to one another in a rotationally fixed manner.
10. The hand-held power tool according to claim 9, characterized in that the second locking assembly (22) is configured as a second locking unit comprising a first strap (221) and a second strap (222), the first strap (221) comprising at least a buckle (2211) and a rotating piece (2212), one end of the buckle (2211) being provided with a boss for overlapping with a buckle platform (141) of the first locking unit, the other end of the buckle (2211) being rotatably connected with the rotating piece (2212), the rotating piece (2212) being rotatably connected with the connecting seat (2) of the tool head (200);
the second lap joint part (222) is constructed to be a clamping ring and comprises a clamping outer ring and a jack arranged on the clamping outer ring, and the jack is used for being matched with the plug-in platform (142) of the first locking unit so as to realize that the plug-in platform (141) is blocked and limited in the jack or realize that the plug-in platform (142) is separated from the jack.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011050146.9A CN114310802A (en) | 2020-09-29 | 2020-09-29 | Hand-held machine tool and hand-held electric tool with same |
| PCT/CN2020/137026 WO2022068086A1 (en) | 2020-09-29 | 2020-12-17 | Handheld tool machine and handheld electric tool having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011050146.9A CN114310802A (en) | 2020-09-29 | 2020-09-29 | Hand-held machine tool and hand-held electric tool with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114310802A true CN114310802A (en) | 2022-04-12 |
Family
ID=80951003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011050146.9A Pending CN114310802A (en) | 2020-09-29 | 2020-09-29 | Hand-held machine tool and hand-held electric tool with same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114310802A (en) |
| WO (1) | WO2022068086A1 (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1515390A (en) * | 1974-08-23 | 1978-06-21 | Black & Decker Mfg Co | Battery-operated electrical appliance of modular construction |
| CN1313174A (en) * | 2000-03-10 | 2001-09-19 | 布莱克-德克尔公司 | Interlocking mechanism |
| DE102010063348A1 (en) * | 2010-12-17 | 2012-06-21 | Robert Bosch Gmbh | Device for treating surface of handheld power tool, of machine tool system, has coupling unit that is detachedly fastened at tool receiver of handheld power tool by attachment element |
| EP2548697A2 (en) * | 2011-07-19 | 2013-01-23 | Flex-Elektrowerkzeuge GmbH | Tool holding device, tool holding device-tool combination and machine tool |
| DE102015224225A1 (en) * | 2015-12-03 | 2017-06-08 | Flex-Elektrowerkzeuge Gmbh | Hand-held machine tool |
| KR20180051696A (en) * | 2016-11-07 | 2018-05-17 | 계양전기 주식회사 | One Touch Type Locking Apparatus of Power Tool |
| US20190009398A1 (en) * | 2015-01-29 | 2019-01-10 | Positec Power Tools (Suzhuo) Co., Ltd. | Hand-held power tool and operating method thereof |
| CN209914514U (en) * | 2019-05-20 | 2020-01-10 | 南京汤峰机电有限公司 | Speed change mechanism of electric tool |
| CN214238048U (en) * | 2020-09-29 | 2021-09-21 | 莱克电气绿能科技(苏州)有限公司 | Hand-held machine tool and hand-held electric tool with same |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10046815A1 (en) * | 2000-09-21 | 2002-04-18 | Bosch Gmbh Robert | Electric hand tool with function-expanding attachments |
| DE102012222639A1 (en) * | 2012-12-10 | 2014-06-12 | Robert Bosch Gmbh | Percussion device for use in e.g. drilling and/or chipping hammer, has fixing element which extends along circumferential direction around guiding element and tool receiving element, for force-locking connection |
| DE202014011331U1 (en) * | 2014-10-24 | 2019-06-07 | Guido Valentini | Portable and / or hand-held motorized tool |
| DE102015201921A1 (en) * | 2015-02-04 | 2016-08-04 | Robert Bosch Gmbh | accessory device |
| DE102016200979A1 (en) * | 2016-01-25 | 2017-07-27 | Robert Bosch Gmbh | Hand tool with a tool holder |
| DE102018216726A1 (en) * | 2018-09-28 | 2020-04-02 | Robert Bosch Gmbh | Dust extraction device |
-
2020
- 2020-09-29 CN CN202011050146.9A patent/CN114310802A/en active Pending
- 2020-12-17 WO PCT/CN2020/137026 patent/WO2022068086A1/en active Application Filing
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1515390A (en) * | 1974-08-23 | 1978-06-21 | Black & Decker Mfg Co | Battery-operated electrical appliance of modular construction |
| CN1313174A (en) * | 2000-03-10 | 2001-09-19 | 布莱克-德克尔公司 | Interlocking mechanism |
| DE102010063348A1 (en) * | 2010-12-17 | 2012-06-21 | Robert Bosch Gmbh | Device for treating surface of handheld power tool, of machine tool system, has coupling unit that is detachedly fastened at tool receiver of handheld power tool by attachment element |
| EP2548697A2 (en) * | 2011-07-19 | 2013-01-23 | Flex-Elektrowerkzeuge GmbH | Tool holding device, tool holding device-tool combination and machine tool |
| US20190009398A1 (en) * | 2015-01-29 | 2019-01-10 | Positec Power Tools (Suzhuo) Co., Ltd. | Hand-held power tool and operating method thereof |
| DE102015224225A1 (en) * | 2015-12-03 | 2017-06-08 | Flex-Elektrowerkzeuge Gmbh | Hand-held machine tool |
| KR20180051696A (en) * | 2016-11-07 | 2018-05-17 | 계양전기 주식회사 | One Touch Type Locking Apparatus of Power Tool |
| CN209914514U (en) * | 2019-05-20 | 2020-01-10 | 南京汤峰机电有限公司 | Speed change mechanism of electric tool |
| CN214238048U (en) * | 2020-09-29 | 2021-09-21 | 莱克电气绿能科技(苏州)有限公司 | Hand-held machine tool and hand-held electric tool with same |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022068086A1 (en) | 2022-04-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2580954B1 (en) | Machine with main pole | |
| EP1793966B1 (en) | Drywall sander | |
| EP2338644B1 (en) | Multi-function tool system | |
| CN214238048U (en) | Hand-held machine tool and hand-held electric tool with same | |
| US10375896B2 (en) | Pole hedge trimmer | |
| WO2016107551A1 (en) | Power tool | |
| US20020064421A1 (en) | Split boom coupling structure | |
| US20200338686A1 (en) | Grinding tool, and main component and grinding component thereof | |
| EP3722496B1 (en) | Clothes iron base and clothes iron device | |
| CN114310802A (en) | Hand-held machine tool and hand-held electric tool with same | |
| CN211681920U (en) | Multifunctional electric tool | |
| CN211247527U (en) | Hand-held cleaning machine | |
| KR101967335B1 (en) | Grinder for Electric Drill | |
| US6846138B1 (en) | Offset base router | |
| JP7346043B2 (en) | Glue supply device for wallpaper gluing machine | |
| WO2021248660A1 (en) | Quick-change structure for head and body of multifunctional power tool and multifunctional power tool | |
| CN209847269U (en) | Anastomat | |
| JP2014147361A (en) | Portable work machine | |
| CN210704585U (en) | Assembling and disassembling tool based on display screen and display screen assembly | |
| CN113492385B (en) | Hand-held power tool | |
| CN105364788A (en) | Hand tool | |
| CN214238047U (en) | Drill bit assembly and portable electric drill | |
| CN216919733U (en) | Hair sticking device and hair ball trimmer | |
| KR102571678B1 (en) | Modular smart stick | |
| CN213174682U (en) | Novel ceramic tile tiling machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |