WO2020155854A1 - Outil électrique - Google Patents

Outil électrique Download PDF

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Publication number
WO2020155854A1
WO2020155854A1 PCT/CN2019/123626 CN2019123626W WO2020155854A1 WO 2020155854 A1 WO2020155854 A1 WO 2020155854A1 CN 2019123626 W CN2019123626 W CN 2019123626W WO 2020155854 A1 WO2020155854 A1 WO 2020155854A1
Authority
WO
WIPO (PCT)
Prior art keywords
damping member
power tool
damping
motor
housing
Prior art date
Application number
PCT/CN2019/123626
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English (en)
Chinese (zh)
Inventor
钱富
钟红风
张士松
Original Assignee
宝时得科技（中国）有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 宝时得科技（中国）有限公司 filed Critical 宝时得科技（中国）有限公司
Publication of WO2020155854A1 publication Critical patent/WO2020155854A1/fr

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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
    • B25F3/00—Associations of tools for different working operations with one portable power-drive means; Adapters therefor
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for

Definitions

  • the invention relates to a power tool.
  • Current power tools such as oscillating power tools, generally include a housing, a motor contained in the housing, an output shaft for installing the working head, and an eccentric transmission mechanism connected between the motor and the output shaft.
  • the eccentric transmission mechanism connects the motor
  • the shaft rotation motion is converted into the swing motion of the output shaft around its own axis.
  • the swing power tool can realize a variety of operations, such as sawing, cutting, grinding, scraping, etc. To adapt to different work needs.
  • the working head of the multifunctional oscillating tool has a high frequency of oscillation, the operator cannot clearly determine the extent to which the working head has been processed on the material.
  • the working head is a saw blade
  • the multi-functional swing tool produces cutting action through the high-speed swing of the saw blade.
  • the saw blade swing operator cannot clearly determine the cutting boundary position and depth of the cutting, it may cause the cutting
  • the size is not the desired result, so a lighting device is required to illuminate the working head and its processing materials.
  • the problem to be solved by the present invention is to provide a power tool with good vibration reduction effect and long service life.
  • the technical solution of the present invention is:
  • a power tool, the power tool includes:
  • a motor the motor includes a motor axis; an output shaft, driven by the motor, one end of the output shaft is connected to a working head; a housing including an inner housing and an outer housing, and the inner housing accommodates the motor and at least For a part of the output shaft, the outer casing includes a longitudinal axis, the inner casing and the outer casing are arranged at intervals; a vibration damping mechanism, the vibration damping mechanism includes at least a first damping member and a second damping member, The second damping member acts in a direction substantially perpendicular to the motor axis or the longitudinal axis, the direction of action of the first damping member and the second damping member is substantially perpendicular, and the first damping member And the second damping member at least partially overlap in a direction perpendicular to the motor axis or the longitudinal axis; the spacer is at least partially arranged between the first damping member and the second damping member.
  • At least one of the material or density of the first damping member is different from that of the second damping member.
  • At least one of the material or density of the spacer is different from the first damping part and the second damping part, and the spacer is preferably a rigid material.
  • the power tool further includes a first supporting mechanism and a second supporting mechanism, the first supporting mechanism is arranged on one of the inner housing and the outer housing, and the second supporting mechanism is arranged on On the other, the first supporting mechanism and the second supporting mechanism are between the inner housing and the outer housing; the first supporting mechanism includes a first supporting portion and a first limiting portion, so The second supporting mechanism includes a corresponding second supporting portion and a second limiting portion.
  • the first supporting portion and the second supporting portion support the second damping member in a direction substantially perpendicular to the motor axis or the longitudinal axis;
  • the first limiting portion includes a protrusion One of the second limiting portion and the recessed portion, the second limiting portion includes the other one of a protruding portion and a recessed portion, and the first limiting portion and the second limiting portion cooperate to be substantially perpendicular to the second limiting portion.
  • the movement of the inner shell relative to the outer shell is restricted in the direction of the acting direction of the damping element.
  • the first damping member is located between the first limiting portion and the second limiting portion
  • the second damping member is located between the first supporting portion and the second supporting portion.
  • the first damping member is contained in the recessed portion, the first damping member includes a hollow portion, and the protrusion passes through the through hole to fit with the recessed portion.
  • the height of the first damping member is not greater than the depth of the recessed portion.
  • the side wall of the through hole includes an extension portion extending in a radial direction, and the contact between the extension portion and the protruding portion plays a role of damping vibration during the operation of the power tool.
  • the second damping member includes a through hole, the protrusion passes through the through hole and the through hole to cooperate with the recessed portion, and the second damping member is located between the first support portion and the Between the second support part.
  • the second damping member is disposed outside the recessed portion, and the first damping member and the second damping member at least partially overlap.
  • the spacer is located between the first damping member and the second damping member, the spacer includes an opening, and the protrusion passes through the through hole, the opening and the The through hole is matched with the recessed portion.
  • the projection of the second damping member in a plane perpendicular to the motor axis or the longitudinal axis falls within the projection range of the spacer on the plane.
  • Another technical problem solved by the present invention is to provide a power tool with a good vibration reduction effect and a lighting device.
  • the technical solution of the present invention is:
  • the power tool further includes a lighting device installed on the outer casing or the inner casing on the side close to the working head, and the power supply line of the lighting device is arranged on the same side as the lighting device.
  • the housing is a lighting device installed on the outer casing or the inner casing on the side close to the working head, and the power supply line of the lighting device is arranged on the same side as the lighting device.
  • the inner surface of the outer casing or the outer surface of the inner casing is provided with a wire clamping groove, and the power supply line is arranged in the wire clamping groove.
  • the wire clamping groove is arranged on the outer casing; when the lighting device is fixed on the inner casing, the wire clamping groove is arranged on the inner casing.
  • a spacer is added to the vibration damping mechanism to prevent the damping member of the vibration damping mechanism from being worn or broken due to the partial depression caused by the vibration of the tool, extending the life of the damping member, thereby ensuring the vibration damping effect;
  • a lighting device is added between the outer shell or the inner and outer shells to provide lighting to better determine the cutting conditions.
  • the wire clamping groove is provided on the outer shell; the lighting device is fixed on the outer shell.
  • the wire clamping groove is arranged on the inner shell, which prevents the power supply line from being moved or broken due to tool vibration.
  • Fig. 1 is a schematic diagram of the oscillating power tool of the present invention with half of the outer shell removed.
  • Fig. 2 is a partial perspective view of the transmission mechanism of the swing power tool shown in Fig. 1.
  • Fig. 3 is a partial three-dimensional exploded view of the swing power tool shown in Fig. 1.
  • Fig. 4 is a cross-sectional view of the swing power tool shown in Fig. 1 along the line A-A.
  • Fig. 5a is a schematic diagram of a state where the damping mechanism is not stressed
  • Fig. 5b is a schematic diagram of a state where the damping mechanism is stressed in the direction of arrow "C”.
  • Fig. 6 is a schematic diagram of an illumination device provided on the outer casing of the swing power tool of the present invention.
  • Fig. 7 is a schematic diagram of another embodiment of the oscillating power tool with a lighting device provided on the inner shell of the present invention.
  • a swing power tool is taken as an example to illustrate the technical solution of the present invention, but the power tool of the present invention is not limited to a swing power tool, and can also be a rotating power tool, such as a sander or an angle grinder, etc. .
  • the swing power tool 100 includes an outer casing 20, an inner casing 22 bent and extended from one end of the outer casing 20, a motor 24 placed in the inner casing 22, and a transmission connecting the motor 24 and the output shaft 26
  • the mechanism 30 a working head 29 installed at the end of the output shaft 26, and a clamping assembly 28 for clamping the working head 29 on the output shaft 26.
  • the longitudinal axis of the outer casing 20 is X1
  • the axis of the motor 24 is X2.
  • the damping mechanism 50 includes a first damping member 52 and a second damping member 54.
  • the second damping member 54 acts in a direction substantially perpendicular to the longitudinal axis X1 or the motor axis X2.
  • the first damping member 52 and the second damping member 54 The direction of action of the first damping member 52 and the second damping member 54 is at least partially overlapped in the direction perpendicular to the longitudinal axis X1 or the motor axis X2, and the spacer 56 is arranged on the first damping member 52 and the second damping member 54 between.
  • the first support mechanism 42 and the second support mechanism 44 are respectively arranged on one of the outer housing 20 and the inner housing 22.
  • the first support mechanism 42 and the second support mechanism 44 cooperate to make the inner and outer housings substantially mechanically decoupled, At the same time, the movement of the outer shell 20 relative to the inner shell 22 in the direction perpendicular to the direction of action of the second damping member 54 is restricted.
  • the vibration reduction mechanism 50 cooperates with the first support mechanism 42 and the second support mechanism 44 to effectively attenuate the vibration transmitted from the inner housing 22 to the outer housing 20.
  • the inner housing 22 includes a head housing 222 at least partially accommodating the output shaft 26 and a motor housing 224 connected to the head housing 222.
  • the motor housing 224 is used for mounting the motor 24, and the motor 24 has a motor shaft 25 (refer to FIG. 3).
  • the motor housing 224 may be designed to partially or completely cover the motor 24 according to requirements.
  • the head housing 222 and the motor housing 224 may be made of metal or plastic as required.
  • an eccentric transmission mechanism 30 is provided between the motor shaft 25 and the output shaft 26.
  • the eccentric transmission mechanism 30 converts the rotational movement of the motor 24 around its own axis X into a swing movement of the output shaft 26 around its own axis X4.
  • working heads 29 such as straight saw blades, circular saw blades, triangular sanding discs, etc.
  • the eccentric transmission mechanism 30 is arranged in the head housing 222 and includes a shift fork 32 and an eccentric assembly 34 connected to the motor shaft 25.
  • the eccentric assembly 34 includes an eccentric shaft 342 connected to the motor shaft 25 and a driving wheel 344 installed on the eccentric shaft 342.
  • One end of the shift fork 32 is connected to the top of the output shaft 26, and the other end thereof is matched with the driving wheel 344 of the eccentric assembly 34.
  • the shift fork 32 includes a sleeve 322 sheathed on the output shaft 26 and a fork portion 324 extending from the top end of the sleeve 322 to the motor shaft 25 horizontally.
  • the driving wheel 344 is a ball bearing, which has a spherical outer surface that fits with the fork portion 324 of the shift fork 32.
  • the eccentric shaft 342 is eccentrically connected to the motor shaft 25, that is, the axis X3 of the eccentric shaft 342 does not coincide with the axis X2 of the motor shaft 25, and is radially offset by a certain distance.
  • the fork portion 324 of the shift fork 32 abuts on both sides of the driving wheel 344 and is in close sliding contact with the outer surface of the driving wheel 344.
  • the eccentric shaft 342 is driven by the motor shaft 25 to rotate eccentrically with respect to the axis X2 of the motor 24, thereby driving the driving wheel 344 to rotate eccentrically with respect to the axis X2 of the motor.
  • the shift fork 32 swings relative to the axis X4 of the output shaft, driving the output shaft 26 to swing around its own axis X4, thereby driving the working head 29 mounted on it to swing to process the workpiece.
  • the first supporting mechanism 42, the second supporting mechanism 44, and the damping mechanism 50 cooperate with each other, and are superimposed on the outer shell 20 and the inner shell 22, and can be selectively arranged on the outer shell 20 and the inner shell. At any desired position between 22, try to avoid the grip area on the outer shell 22.
  • the first support mechanism 42, the second support mechanism 44 and the vibration damping mechanism 50 are symmetrically arranged on both sides of the tool housing. Between the head housing 222 and the outer housing 20; or between the motor housing 224 and the outer housing 20, preferably between the head housing 222 and the outer housing 20, and between the motor housing 224 and the outer housing 20.
  • the first supporting mechanism 42 and the second supporting mechanism 44 are respectively arranged on one of the outer casing 20 and the inner casing 22 and in the middle of the two casings.
  • the first support mechanism 42 and the second support mechanism 44 may be a part extending from the housing, or may be parts fixed on the housing.
  • the first supporting mechanism 42 includes a first supporting portion 422 and a first limiting portion 424
  • the second supporting mechanism 44 includes a corresponding second supporting portion 442 and a second limiting portion 444.
  • the first support portion 422 and the second support portion 442 cooperate to support the second damping member in a direction substantially straight to the longitudinal axis X1 or the motor axis X2; the first limiting portion 424 and the second limiting portion 444 are a pair of protrusions
  • the first restricting portion 424 is one of the protruding portion and the recessed portion
  • the second restricting portion 444 is the other one of the protruding portion and the recessed portion.
  • the first limiting portion 424 and the second limiting portion 444 cooperate with each other to play a limiting role in various directions substantially perpendicular to the direction of action of the second damping member 54, and restrict the movement of the inner shell 22 relative to the outer shell 20.
  • the first supporting mechanism 42 is provided on the outer surface of the inner housing 22
  • the second supporting mechanism 44 is provided on the inner surface of the outer housing 20
  • the first limiting portion 424 is a protrusion and is in the shape of a cylindrical pin.
  • the second limiting portion 444 is a recessed portion for receiving the first limiting portion 424.
  • the first support mechanism 42 and the second support mechanism 44 cooperate so that the air layer existing between the inner housing 22 and the outer housing 20 will cause the inner housing 22 and the outer housing 20 that house the motor 24 and the output shaft 26 to be approximately
  • the mechanical decoupling especially in the grip area, reduces the shock sensation, thus leading to an increase in operating comfort, and also reducing the heat transferred from the inner shell 22 to the outer shell 20, which also improves the user's operating comfort .
  • the damping mechanism 50 mainly includes a first damping member 52 and a second damping member 54.
  • the damping element By arranging the damping element, the movement transmitted between the first support mechanism 42 and the second support mechanism 44 and the movement transmitted between the inner housing 22 and the outer housing 20, such as collisions or vibrations, will be significantly attenuated.
  • high-frequency oscillations such as vibration
  • interruptions will occur, so the vibration, collision and heat transfer from the inner shell 22 to the outer shell 20 will be further attenuated, thereby significantly improving the work safety and operating comfort of the machine tool itself.
  • the second damping member 54 acts in a direction perpendicular to the longitudinal axis X1 or the motor axis X2.
  • the second damping member 54 is circular and includes a through hole 542.
  • the first limiting portion 424 passes through the through hole 542 of the second damping member 54 to cooperate with the second limiting portion 444.
  • the size and shape of the through hole 542 should match
  • the first limiting portion 424 is adapted, and the outer diameter of the second damping member 54 is at least larger than the inner diameter of the second limiting portion 444.
  • the second damping member 54 is outside the second limiting portion 444.
  • 54 is supported between the first support portion 422 and the second support portion 442, so that the second damping member 54 can provide the required prestress in the direction perpendicular to the longitudinal axis X1 or the motor axis X2 in the working state.
  • the first damping member 52 is cylindrically received in the second limiting portion 444, and its outer surface abuts against the inner surface of the second limiting portion 444, the first damping member 52
  • the height of 52 does not exceed the height of the second limiting portion 444;
  • the first damping member 52 includes a through hole 522, the first limiting portion 424 passes through the through hole 542 of the second damping member 54 and the through hole 522 of the first damping member 52
  • the first damping member 52 and the second damping member 54 at least partially overlap in the direction perpendicular to the longitudinal axis X1 or the motor axis X2, the first damping member 52 can be perpendicular to the second damping
  • the member 54 plays a role in reducing vibration, collision and heat transfer in all directions of the action direction.
  • the first damping member 52 further includes a stopper 524, and the stopper 524 is engaged with a recessed portion (not shown) on the second stopper 444 to prevent the first damping during operation.
  • the member 52 rotates or slides out of the second limiting portion 444; the through hole 522 of the first damping member 52 includes an extension portion 526.
  • the extension portion 526 extends from the side wall of the through hole 522 toward the radial direction. At any position on the side wall of the hole 522, in this embodiment, the extension 526 is close to the open end of the second limiting portion 444 and is shaped like a protrusion toward the first limiting portion 424.
  • the extension 526 and the first limiting portion 424 are There may be direct contact or a slight gap between them, and it is preferable that the extension portion 526 and the first limiting portion 424 directly abut against each other.
  • the contact area, especially the inner casing 22, is reduced.
  • the shape of the first limiting portion 424 and the second limiting portion 444 is not limited to a circle, and may also be polygonal, elliptical, etc., or any irregular shape. Moreover, the shape of the first limiting portion 424 may also be different from the shape of the second limiting portion 444. The shape and size of the first damping member 52 and the through hole 522 change with the shape of the second limiting portion 444 and the first limiting portion 424. Similarly, the shape of the second damping member 54 is not limited to a circular shape, and it may also be a polygonal shape, an oval shape, or the like.
  • Both the first damping member 52 and the second damping member 54 have certain elasticity, and use polyurethane (PU), ethylene propylene diene monomer (EPDM), polypropylene (EPP), rubber, and mixtures thereof. These materials are used between the inner shell 22 and the outer shell 20 with appropriate prestress to improve the comfort of tool operation.
  • both the first damping member 52 and the second damping member 54 are preferably polyurethane (PU).
  • the first damping member 52 and the second damping member 54 can also use different materials.
  • the first damping member 52 uses polyurethane (PU)
  • the second damping member 54 uses polypropylene (EPP) or the like.
  • the first damping member 52 and the second damping member 54 are made of polyurethane (PU), and the density is generally 0.3-0.8 g/cm3.
  • the second damping member 54 is preferably 0.45-0.55 g/cm3, and the first damping member 52 is preferably 0.6-0.7 g/cm3. Therefore, the density of the first damping member 52 and the second damping member 54 can be the same, but they can also be different.
  • the material density of the second damping member 54 is lower than the material density of the first damping member 52.
  • the spacer 56 is a rigid gasket.
  • the spacer 56 is preferably a wear-resistant and heat-resistant non-metallic material, and its density, surface hardness and wear resistance should be better than those of the first damping part 52 and the second damping part 52 Damping parts 54, such as red steel paper, electrical insulation gaskets, nylon gaskets, highland barley paper, etc., if metal materials are used, the impact of the metal gasket with the shell will generate noise and increase the cost.
  • the spacer 56 is located between the first damping member 52 and the second damping member 54.
  • the shape and size of the spacer 56 are the same as the second damping member 54, and its thickness is negligible relative to the second damping member 54.
  • the spacer 56 includes an opening 562 that is not larger than the through hole 542 of the second damping member 54, that is, the edge of the through hole 542 should always be outside the edge of the opening 562.
  • the first limiting portion 424 passes through the through hole 542 of the second damping member 54, and then passes through the opening 562 of the spacer 56, and finally passes through the through hole 522 of the first damping member 52 to fit the second limiting portion 444
  • the second damping member 54 is in a normal state without force
  • Fig. 5b the second damping member 54 is subjected to a force transmitted from the inner housing 22 to the outer housing 20 (arrow " C” shows the direction).
  • the second damping member 54 due to the action of the spacer 56, the second damping member 54 always maintains a flat state without bending, but the thickness changes.
  • the shape and size of the spacer 56 can also be different from that of the second damping member 54, but the projection of the second damping member 54 in a plane perpendicular to the longitudinal axis X1 or the motor axis X2 falls within the projection range of the spacer 56 on the plane. .
  • the outer edge of the spacer 56 should not be smaller than the outer edge of the second damping member 54, so as to ensure that the second damping member 54 is completely covered by the spacer 56 so that the spacer 56 can exert force on the second damping member 54 under working conditions. Both can play a protective role.
  • the first support mechanism 42, the second support mechanism 44, and the damping mechanism 50 are arranged between the motor housing 224 and the outer housing 20.
  • the three are regarded as a set of structures, which are similar to the head housing 222 and the outer housing 20
  • the two sets of structures are basically the same.
  • the center line of the two sets of damping elements at the head shell 222 and the center of the damping element at the motor shell 224 are not on the same straight line.
  • the line connecting the three centers forms a triangle.
  • the arrangement can prevent the first supporting mechanism 42, the second supporting mechanism 44 and the vibration damping mechanism 50 from twisting during the working process, and further ensure the stability of the vibration damping effect.
  • the first supporting mechanism 42, the second supporting mechanism 44, and the damping mechanism 50 are superimposed, so that the structure layout of the swing power tool 100 is more compact and space saving.
  • the position and number of the supporting and damping structures are not limited to the above manner.
  • the tool 100 may be additionally equipped with a lighting device 60.
  • the lighting device 60 preferably uses an LED lamp as the light source, but other light sources may also be used for lighting.
  • the inner and outer shells are independent of each other, always kept in a spaced state, and there is relative motion.
  • the device 60 is arranged on the inner casing 22, and the power supply line 62 of the lighting device 60 is arranged on the outer casing 20, or the lighting device 60 is arranged on the outer casing 20, and the power supply line 62 is arranged on the outer casing 20.
  • the lighting device 60 is fixed to the outer casing 20.
  • the inner surface of the outer casing 20 is provided with a wire clamping groove 64, and the power supply line 62 is arranged in the wire clamping groove 64 so as to be fixed on the inner surface of the outer casing 20.
  • One end of the wire 62 is connected to the PCB board 66, and the other end is connected to the lighting device 60.
  • the lighting device 60 is inserted into the edge of the outer casing 20. It is also possible to provide a storage space between the inner and outer casings. The lighting device 60 is placed in the storage space and fixed to the inner surface of the outer casing 20. This arrangement can also protect the lighting device 60 and prevent physical damage.
  • another arrangement of the lighting device 60 and the power supply line 62 is that the lighting device 60 is fixed to the head shell 222 of the inner shell 22, and the outer surface of the inner shell 22 is provided with a wire slot or a stop. 64, the power supply line 62 is arranged on the outer surface of the inner casing 22 through the cable groove 64.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

La présente invention concerne un outil électrique (100) comprenant un moteur (24); un arbre de sortie (26) entraîné par le moteur (24) et utilisé pour le montage d'une tête de travail (29); un boîtier comprenant un boîtier interne (22) et un boîtier externe (20), le moteur (24) étant au moins partiellement reçu dans le boîtier interne (22); et un mécanisme d'amortissement de vibrations (50) agencé entre le boîtier interne (20) et le boîtier externe (22), le mécanisme d'amortissement de vibrations (50) comprenant au moins un premier élément d'amortissement (52) et un second élément d'amortissement (54), les deux éléments d'amortissement se chevauchant au moins partiellement l'un l'autre, et un élément d'isolation (56) étant agencé entre le premier élément d'amortissement (52) et le second élément d'amortissement (54). Dans l'outil électrique (100), l'élément d'isolation (56) est agencé entre les deux éléments d'amortissement, ce qui permet de prolonger la durée de vie des éléments d'amortissement tout en améliorant leur confort de fonctionnement.
PCT/CN2019/123626 2019-02-01 2019-12-06 Outil électrique WO2020155854A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201920183707.9 2019-02-01
CN201920183707.9U CN210010933U (zh) 2019-02-01 2019-02-01 动力工具

Publications (1)

Publication Number Publication Date
WO2020155854A1 true WO2020155854A1 (fr) 2020-08-06

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Application Number Title Priority Date Filing Date
PCT/CN2019/123626 WO2020155854A1 (fr) 2019-02-01 2019-12-06 Outil électrique

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CN (1) CN210010933U (fr)
WO (1) WO2020155854A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104245239A (zh) * 2012-04-24 2014-12-24 C.&E.泛音有限公司 具有外壳的手持式工具机
EP3020510A1 (fr) * 2014-11-12 2016-05-18 Black & Decker Inc. Poignée latérale
CN205521245U (zh) * 2016-01-14 2016-08-31 苏州宝时得电动工具有限公司 动力工具
CN106965132A (zh) * 2016-01-14 2017-07-21 苏州宝时得电动工具有限公司 动力工具
CN207273155U (zh) * 2017-08-31 2018-04-27 南京德朔实业有限公司 动力工具

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104245239A (zh) * 2012-04-24 2014-12-24 C.&E.泛音有限公司 具有外壳的手持式工具机
EP3020510A1 (fr) * 2014-11-12 2016-05-18 Black & Decker Inc. Poignée latérale
CN205521245U (zh) * 2016-01-14 2016-08-31 苏州宝时得电动工具有限公司 动力工具
CN106965132A (zh) * 2016-01-14 2017-07-21 苏州宝时得电动工具有限公司 动力工具
CN207273155U (zh) * 2017-08-31 2018-04-27 南京德朔实业有限公司 动力工具

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