WO2019024203A1 - Multifunctional electric hammer - Google Patents

Multifunctional electric hammer Download PDF

Info

Publication number
WO2019024203A1
WO2019024203A1 PCT/CN2017/103070 CN2017103070W WO2019024203A1 WO 2019024203 A1 WO2019024203 A1 WO 2019024203A1 CN 2017103070 W CN2017103070 W CN 2017103070W WO 2019024203 A1 WO2019024203 A1 WO 2019024203A1
Authority
WO
WIPO (PCT)
Prior art keywords
switching
function
gear
hammer
support shaft
Prior art date
Application number
PCT/CN2017/103070
Other languages
French (fr)
Chinese (zh)
Inventor
侯维平
Original Assignee
江苏东成机电工具有限公司
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
Priority to CN201710647018 priority Critical
Priority to CN201710647018.4 priority
Application filed by 江苏东成机电工具有限公司 filed Critical 江苏东成机电工具有限公司
Publication of WO2019024203A1 publication Critical patent/WO2019024203A1/en

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D16/00Portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D16/00Portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
    • B25D16/006Mode changers; Mechanisms connected thereto
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D17/00Details of, or accessories for, portable power-driven percussive tools

Abstract

A multifunctional electric hammer (100) comprising: a housing (4), a motor (13) provided within the housing (4), a support shaft (1) driven by the motor (13), a function switching part (102), and an output part (103). The output part (103) is provided with a first gear (5) arranged at the left extremity of the support shaft (1) and a reciprocating part (6) arranged at the right extremity. The function switching part (102) is provided with a first pair of clutch sleeve cylinders (2) sleeved on the support shaft (1) and meshed with the support shaft (1), a switching plate (3) supported on the clutch sleeve cylinders (2), and a function knob (8). Slide rails (4a) for accommodating either side of the switching plate (3) is provided on the inside of the housing (4). The function knob (8) drives the switching plate (3) to move left or right along the slide rails (4a) so that the clutch sleeve cylinders (2) mesh with or disengage from the reciprocating part (6), thus achieving the effect of structural simplicity and saving costs when positioning the switching plate (3).

Description

多功能电锤Multi-function electric hammer [技术领域][Technical field]
本发明涉及一种手持式工具领域,尤其涉及一种具档位切换的多功能电锤。The invention relates to the field of hand-held tools, in particular to a multi-function electric hammer with gear shifting.
[背景技术][Background technique]
一种多功能电锤,用于对混凝土基材、钢材、木材等进行钻孔或凿削,所述多功能电锤通常包括功能切换部,所述功能切换部在冲击档或者冲击钻档或者钻档之间进行切换。A multifunctional electric hammer for drilling or chiseling a concrete substrate, steel, wood, etc., the multi-function electric hammer usually comprising a function switching portion, the function switching portion being in an impact gear or an impact drill or Switch between drill files.
请参阅中国发明专利公开第CN106895131A中号揭露了一种用于电动工具的模式切换单元,该模式切换单元包括操作件和切换件,所述切换件至少包括设在导杆上的两个控制板和拨叉,所述两个控制板和拨叉可沿所述导杆移动,所述操作件包括偏心凸起件,所述偏心凸起件位于所述两个控制板之间可使其中一个控制板从一个位置移动到另一位置,所述拨叉则在另一个控制板的作用下从一个位置移动到另一个位置,从而带动传动连接件从一个位置移动到另一个位置。Please refer to the Chinese Patent Publication No. CN106895131A, which discloses a mode switching unit for a power tool, the mode switching unit including an operating member and a switching member, the switching member including at least two control boards provided on the guiding rod And a shifting fork, the two control boards and the shifting fork are movable along the guiding rod, the operating member comprises an eccentric convex member, and the eccentric convex member is located between the two control panels to enable one of the two The control panel is moved from one position to another, and the shifting fork is moved from one position to another by the action of another control panel, thereby driving the transmission connector to move from one position to another.
但上述电动工具的模式切换单元在工作时,切换件沿导杆滑动,在安装上述电动工具的时候,必须将切换件先安装于导杆,然后再将导杆安装到机壳上,装配非常复杂;同时上述的模式切换单元的导杆增加了所述电动工具的成本。However, when the mode switching unit of the above power tool is in operation, the switching member slides along the guide rod. When the power tool is installed, the switching member must be first mounted on the guide rod, and then the guide rod is mounted on the casing, and the assembly is very Complex; at the same time, the guide of the mode switching unit described above increases the cost of the power tool.
因而,需要对现有的多功能电锤的功能切换装置进行改进,从而使得装配简单并且节约成本。Therefore, there is a need to improve the function switching device of the existing multi-function electric hammer, thereby making assembly simple and cost-effective.
[发明内容][Summary of the Invention]
为解决上述问题,本发明提供一种具有装配简单的多功能电锤。In order to solve the above problems, the present invention provides a multifunctional electric hammer having a simple assembly.
为解决上述技术问题,本发明采用如下技术方案:一种多功能电锤100,其包括:机壳4、设置于机壳4内的电机13、电机13驱动的支撑轴1、功能切换 部102及输出部103输出部具有位于支撑轴1左端的第一齿轮5及位于右端的往复部6,功能切换部具有套设在支撑轴1并与支撑轴1啮合的一对离合套筒2及位于该离合套筒之间的弹性元件7、支撑在离合套筒上的切换片3、功能旋钮8;所述机壳4内侧具有收容切换片两侧的滑轨4a,上述功能旋钮8驱动切换片3沿滑轨4a左右移动,使离合套筒2与往复部作啮合或断开。In order to solve the above technical problem, the present invention adopts the following technical solution: a multifunctional electric hammer 100, comprising: a casing 4, a motor 13 disposed in the casing 4, a support shaft driven by the motor 13, and a function switch The output portion of the portion 102 and the output portion 103 has a first gear 5 at the left end of the support shaft 1 and a reciprocating portion 6 at the right end. The function switching portion has a pair of clutch sleeves 2 that are sleeved on the support shaft 1 and mesh with the support shaft 1. And an elastic member 7 located between the clutch sleeve, a switching piece 3 supported on the clutch sleeve, and a function knob 8; the inner side of the casing 4 has a slide rail 4a for accommodating the two sides of the switch piece, and the function knob 8 is driven by the function knob 8 The switching piece 3 is moved left and right along the slide rail 4a to engage or disengage the clutch sleeve 2 with the reciprocating portion.
进一步改进方案为:所述一对离合套筒2分别具有呈圆柱形的台阶面,所述切换片3设有分别抵接在所述台阶面的两侧壁。A further improvement is that the pair of clutch sleeves 2 respectively have a cylindrical step surface, and the switching piece 3 is provided with two side walls respectively abutting the step surface.
进一步改进方案为:所述切换片3设有连接两侧壁的底壁,该底壁具有通孔3b,所述功能旋钮8具有穿过通孔3b的卡销8a。A further improvement is that the switching piece 3 is provided with a bottom wall connecting the two side walls, the bottom wall has a through hole 3b, and the function knob 8 has a bayonet 8a passing through the through hole 3b.
进一步改进方案为:所述机壳4两侧分别设有向壳体内延伸的上、下相对的一对凸肋41及位于凸肋41之间的凹槽42,该凸肋41及凹槽42构成上述滑轨4a,所述切换片3的底壁具有朝两端凸伸并收容上述凹槽42内的导向边3a。According to a further improvement, the two sides of the casing 4 are respectively provided with a pair of upper and lower opposing ribs 41 extending into the casing and a groove 42 between the ribs 41. The rib 41 and the groove 42 are respectively provided. The slide rail 4a is configured such that the bottom wall of the switch piece 3 has a guide edge 3a that protrudes toward both ends and accommodates the inside of the recess 42.
进一步改进方案为:所述机壳4两侧的滑轨4a位于同一平面内,且以支撑轴1轴心线的上下方向平面为中心,分别设置于机壳4的两侧。A further improvement is that the slide rails 4a on both sides of the casing 4 are located in the same plane, and are respectively disposed on the two sides of the casing 4 centering on the upper and lower direction planes of the axial line of the support shaft 1.
进一步改进方案为:所述凸肋41具有面向凹槽且引导切换片3的导引面。A further development is that the rib 41 has a guide surface that faces the groove and guides the switching piece 3 .
进一步改进方案为:所述第一齿轮5套设于支撑轴1上,所述输出部103还具有平行设于支撑轴1上方的锤管9、套设于锤管9并与锤管9固定连接的第二齿轮10,所述第二齿轮10与第一齿轮5相啮合。Further, the first gear 5 is sleeved on the support shaft 1 , and the output portion 103 further has a hammer tube 9 disposed above the support shaft 1 , sleeved on the hammer tube 9 and fixed to the hammer tube 9 . The second gear 10 is coupled, and the second gear 10 meshes with the first gear 5.
进一步改进方案为:所述往复部6套设于支撑轴1上,所述往复部6具有摆杆6a,所述输出部103具有沿锤管9内壁滑动的气缸11,所述摆杆6a与所述气缸11摆动连接并驱动气缸11进行往复运动。Further improvement is that the reciprocating portion 6 is sleeved on the support shaft 1, the reciprocating portion 6 has a swinging rod 6a, and the output portion 103 has a cylinder 11 sliding along the inner wall of the hammer tube 9, the swinging rod 6a and The cylinder 11 is swingably coupled and drives the cylinder 11 to reciprocate.
进一步改进方案为:所述功能切换锤钻100当切换至钻档时,所述切换片3驱动左侧的离合套筒2与第一齿轮5啮合,同时右侧的离合套筒2与往复部6 分离。A further improvement is: when the function switching hammer drill 100 is switched to the drilling gear, the switching piece 3 drives the clutch sleeve 2 on the left side to mesh with the first gear 5, and the clutch sleeve 2 and the reciprocating portion on the right side 6 Separation.
进一步改进方案为:所述功能切换锤钻100当切换至冲击钻档时,所述切换片3驱动左侧的离合套筒2a与第一齿轮5啮合,同时右侧的离合套筒2b与往复部6啮合。A further improvement is: when the function switching hammer drill 100 is switched to the impact drilling gear, the switching piece 3 drives the clutch sleeve 2a on the left side to mesh with the first gear 5, and the clutch sleeve 2b on the right side reciprocates The portion 6 is engaged.
进一步改进方案为:所述功能切换锤钻100当切换至冲击档时,所述切换片3驱动左侧的离合套筒2a与第一齿轮5分离,同时右侧的离合套筒2b与往复部6啮合。A further improvement is: when the function switching hammer drill 100 is switched to the impact gear, the switching piece 3 drives the left clutch sleeve 2a to be separated from the first gear 5, and the right clutch sleeve 2b and the reciprocating portion 6 meshing.
进一步改进方案为:所述离合套筒2与所述支撑轴1由键槽或齿轮啮合连接。A further development is that the clutch sleeve 2 and the support shaft 1 are meshed by a keyway or a gear.
本发明具有如下有益效果:通过在机壳内侧设置有收容切换片两侧的滑轨,相对于现有技术,本发明的切换片在定位时不需要定位轴,不仅装配简单还具有节约成本的效果,另外将滑轨设置在机壳两侧,不仅提高了滑轨的支撑强度,还提高了切换片在滑轨内移动的顺畅性。The present invention has the following beneficial effects: by providing a slide rail for accommodating the two sides of the switchboard on the inner side of the casing, the switcher of the present invention does not require a positioning shaft when positioning, which is not only easy to assemble but also cost-effective. The effect is that the slide rails are disposed on both sides of the casing, which not only improves the support strength of the slide rails, but also improves the smoothness of the movement of the switch sheets in the slide rails.
[附图说明][Description of the Drawings]
图1是本发明多功能电锤的主视图;Figure 1 is a front elevational view of the multifunctional hammer of the present invention;
图2是图1所示多功能电锤的剖视图;Figure 2 is a cross-sectional view of the multi-function electric hammer shown in Figure 1;
图3是本发明多功能电锤中机壳与切换片的立体视图;Figure 3 is a perspective view of the casing and the switching piece of the multifunctional hammer of the present invention;
图4是本发明多功能电锤中切换片的立体视图;Figure 4 is a perspective view of the switch piece in the multifunctional hammer of the present invention;
图5是本发明多功能电锤位于冲击钻档时的局部视图;Figure 5 is a partial view of the multifunctional electric hammer of the present invention when it is placed in a hammer drill;
图6是本发明多功能电锤位于冲击档时的局部视图;Figure 6 is a partial view of the multi-function electric hammer of the present invention in an impact position;
图7是本发明多功能电锤位于钻档时的局部视图。Figure 7 is a partial elevational view of the multi-function electric hammer of the present invention in a drilling position.
图中附图标记的含义:The meaning of the reference signs in the figure:
100、功能切换锤钻,102、功能切换部,103、输出部,1支撑轴,2、 离合套筒,3、切换片,3a、导向边,3b、通孔,4、机壳,4a、滑轨,5、第一齿轮,6、往复部,6a、摆杆,7、弹簧,8、功能旋钮,8a、卡销,9、锤管,10、第二齿轮,11、气缸,12、输入齿轮,13、电机,14、冲锤,15、冲击杆,41、凸肋,42、凹槽。100, function switching hammer drill, 102, function switching part, 103, output part, 1 support shaft, 2 Clutch sleeve, 3, switch piece, 3a, guide side, 3b, through hole, 4, casing, 4a, slide rail, 5, first gear, 6, reciprocating portion, 6a, swing rod, 7, spring, 8 , function knob, 8a, bayonet, 9, hammer tube, 10, second gear, 11, cylinder, 12, input gear, 13, motor, 14, hammer, 15, impact rod, 41, rib, 42, Groove.
[具体实施方式][Detailed ways]
请参照图1及图2所示,本发明的多功能电锤100具有机壳4、设置于机壳4内的电机13、电机驱动的支撑轴1、功能切换部102及输出部103。电机13通过输入齿轮12将动力传递给支撑轴1,支撑轴1将动力传递给功能切换部102,上述功能切换部102支撑在支撑轴1上,且该功能切换部102可以切换成冲击档、冲击钻档及钻档等三种档位中任意一种档位将动力传递给输出部103,实现锤钻等功能变换。1 and 2, the multi-function hammer 100 of the present invention includes a casing 4, a motor 13 provided in the casing 4, a motor-driven support shaft 1, a function switching unit 102, and an output unit 103. The motor 13 transmits power to the support shaft 1 through the input gear 12, and the support shaft 1 transmits power to the function switching portion 102, and the function switching portion 102 is supported on the support shaft 1, and the function switching portion 102 can be switched into an impact gear, Any one of the three gear positions, such as the impact drill and the drill gear, transmits power to the output portion 103 to realize function conversion such as hammer drill.
所述功能切换部102具有:套设在支撑轴1上的一对离合套筒2及位于该一对离合套筒2之间的弹性元件7、支撑在离合套筒上的切换片3、功能旋钮8。所述一对离合套筒2分别具有呈圆柱形的台阶面,所述切换片3设有分别抵接在所述台阶面的两侧壁及连接两侧壁的底壁,切换片3的底壁具有通孔3b,上述功能旋钮8可旋转的设置于机壳上并且具有穿过通孔3b的卡销8a,在本实施例中,所述离合套筒2与支撑轴1由键槽或齿轮啮合连接,且离合套筒2随所述支撑轴1一起旋转。The function switching unit 102 has a pair of clutch sleeves 2 sleeved on the support shaft 1 and an elastic member 7 located between the pair of clutch sleeves 2, a switching piece 3 supported on the clutch sleeve, and functions. Knob 8. Each of the pair of clutch sleeves 2 has a cylindrical stepped surface, and the switching piece 3 is provided with two side walls respectively abutting the stepped surface and a bottom wall connecting the two side walls, and the bottom of the switching piece 3 The wall has a through hole 3b. The function knob 8 is rotatably disposed on the casing and has a bayonet 8a passing through the through hole 3b. In the embodiment, the clutch sleeve 2 and the support shaft 1 are formed by a keyway or a gear. The meshing connection is made and the clutch sleeve 2 rotates with the support shaft 1.
将沿多功能电锤100的输出方向定义为左端,垂直于输出方向定义为上下方向,所述输出部103具有位于支撑轴1左端的第一齿轮5、位于右端的往复部6、平行设于支撑轴1上方的锤管9、固持于锤管9外的第二齿轮10,所述第一齿轮5套设于支撑轴1且相对转动,所述第二齿轮10啮合于第一齿轮5,即当多功能电锤处于钻功能工作模式下,上述支撑轴1将动力传递给一离合套筒2, 离合套筒2卡持于第一齿轮5上,并驱动第一齿轮5旋转,第一齿轮5与第二齿轮10啮合以带动锤管9作旋转输出。The output direction along the multi-function hammer 100 is defined as a left end, and the output direction is defined as an up-and-down direction perpendicular to the output direction. The output portion 103 has a first gear 5 at the left end of the support shaft 1 and a reciprocating portion 6 at the right end. a hammer tube 9 above the support shaft 1 and a second gear 10 fixed to the outside of the hammer tube 9 , the first gear 5 is sleeved on the support shaft 1 and relatively rotated, and the second gear 10 is meshed with the first gear 5 That is, when the multi-function electric hammer is in the drilling function working mode, the support shaft 1 transmits power to a clutch sleeve 2, The clutch sleeve 2 is locked on the first gear 5 and drives the first gear 5 to rotate. The first gear 5 meshes with the second gear 10 to drive the hammer tube 9 to rotate.
所述往复部6套设于支撑轴1的右端并可相对于支撑轴1转动。所述输出部具有沿上述锤管9内壁滑动的气缸11、沿气缸11内部滑动的冲锤14、沿锤管9内部滑动且位于冲锤14的左边的冲击杆15。当多功能电锤处于冲击状态下时,另一离合套筒2与所述支撑轴1啮合且一起转动,同时该离合套筒2卡持于往复部6上,并驱动往复部6运动,在本实施例中,所述往复部6为一种摆杆轴承,该摆杆轴承具有摆杆6a,所述摆杆6a带动所述气缸11作往复运动,且冲锤14在气缸11内部气体的驱动下同时进行往复冲击运动,冲锤14将冲击力传递给冲击杆15进行冲击输出,进行锤的动作。The reciprocating portion 6 is sleeved on the right end of the support shaft 1 and is rotatable relative to the support shaft 1. The output portion has a cylinder 11 that slides along the inner wall of the hammer tube 9, a hammer 14 that slides along the inside of the cylinder 11, a hammer 15 that slides along the inside of the hammer tube 9 and is located on the left side of the hammer 14. When the multi-function hammer is in an impact state, the other clutch sleeve 2 meshes with the support shaft 1 and rotates together, and the clutch sleeve 2 is retained on the reciprocating portion 6 and drives the reciprocating portion 6 to move. In this embodiment, the reciprocating portion 6 is a pendulum rod bearing having a swinging rod 6a, the swinging rod 6a drives the cylinder 11 to reciprocate, and the hammer 14 is gas inside the cylinder 11 The reciprocating impact motion is simultaneously performed under driving, and the hammer 14 transmits the impact force to the impact rod 15 for impact output, and performs the hammer operation.
请参照图3至图7所示,所述机壳4内侧具有收容切换片3两侧的一对滑轨4a,在本实施方式中,该机壳4两侧分别设有向壳体内延伸的上、下相对的一对凸肋41及位于凸肋41之间的凹槽42,该凸肋41及凹槽42构成上述滑轨4a,并且凸肋41的右端具有面向凹槽用来引导切换片3的导引面。所述一对滑轨4a位于同一平面内,且该一对滑轨以支撑轴1轴心线的上下方向平面为中心,分别设置于机壳4的两侧,改善切换片3的平滑移动性能。所述切换片3的底壁具有朝两端凸伸并收容上述凹槽内的导向边3a,方便切换片3定位在滑轨内做左右方向移动,且防止切换片脱离外壳,本实施方式中,所述凸肋41直接从机壳4两侧向内部延伸有利于增强该滑轨4a的强度。As shown in FIG. 3 to FIG. 7 , the inner side of the casing 4 has a pair of sliding rails 4 a for accommodating the two sides of the switching piece 3 . In the embodiment, the two sides of the casing 4 are respectively disposed to extend into the casing. a pair of upper and lower opposing ribs 41 and a groove 42 between the ribs 41, the rib 41 and the groove 42 constitute the slide rail 4a, and the right end of the rib 41 has a groove facing for guiding switching The guiding surface of the sheet 3. The pair of slide rails 4a are located in the same plane, and the pair of slide rails are respectively disposed on the two sides of the casing 4 centered on the upper and lower direction planes of the axial line of the support shaft 1 to improve the smooth movement performance of the switch piece 3. . The bottom wall of the switching piece 3 has a guiding edge 3a protruding toward the two ends and accommodating the groove, so that the switching piece 3 is positioned in the sliding rail to move in the left-right direction, and the switching piece is prevented from being separated from the outer casing. The rib 41 extending directly from both sides of the casing 4 is advantageous for enhancing the strength of the slide rail 4a.
本发明的多功能电锤100具有三种工作档位,操作者通过功能旋钮8驱动切换片3沿滑轨4a左右移动,如图7所示,所述切换片3驱动所述左侧的离合套筒2a与第一齿轮5啮合,同时右侧的离合套筒2b与往复部6分离,多功能电锤仅进行旋转输出,此时处于钻档;如图5所示,所述切换片3驱动左侧的 离合套筒2a与第一齿轮5啮合,同时右侧的离合套筒2b与往复部6啮合,多功能电锤同时进行旋转和冲击输出,此时处于冲击钻档;如图6所示,所述切换片3驱动左侧的离合套筒2a与第一齿轮5分离,同时右侧的离合套筒2b与往复部6啮合,多功能电锤仅进行冲击输出,此时处于冲击档。The multi-function electric hammer 100 of the present invention has three working gear positions, and the operator drives the switching piece 3 to move left and right along the slide rail 4a through the function knob 8, as shown in FIG. 7, the switching piece 3 drives the left side clutch The sleeve 2a is meshed with the first gear 5, and the clutch sleeve 2b on the right side is separated from the reciprocating portion 6, and the multi-function electric hammer is only rotated output, and is in the drilling position; as shown in FIG. 5, the switching piece 3 is Drive left The clutch sleeve 2a is meshed with the first gear 5, and the clutch sleeve 2b on the right side is meshed with the reciprocating portion 6. The multi-function electric hammer simultaneously performs the rotation and impact output, and is at the impact drilling position; as shown in FIG. The switching piece 3 drives the clutch sleeve 2a on the left side to be separated from the first gear 5, while the clutch sleeve 2b on the right side meshes with the reciprocating portion 6, and the multi-function hammer only performs the impact output, and is in the impact position at this time.
本发明通过在机壳4内侧的设置有收容切换片3两侧的滑轨4a,相对于现有技术,切换片3无需定位轴作定位,不仅装配简单且节约成本,另外本发明的一对滑轨以支撑轴1轴心线的上下平面内为中心,分别设置于机壳4的两侧,不仅提高了滑轨4a的支撑强度,还提高了切换片3在滑轨4a内移动的顺畅性。The present invention provides a slide rail 4a for accommodating the two sides of the switch piece 3 on the inner side of the casing 4. Compared with the prior art, the switch piece 3 does not require a positioning shaft for positioning, which is not only simple to assemble and cost-effective, but also a pair of the present invention. The slide rails are respectively disposed on the two sides of the upper and lower planes of the support shaft 1 and are respectively disposed on both sides of the casing 4, which not only improves the support strength of the slide rail 4a, but also improves the smooth movement of the switch piece 3 in the slide rail 4a. Sex.
本发明不局限于上述具体实施方式,本领域普通技术人员可以很容易的理解到,在不脱离本发明原理和范畴的前提下,本发明的机壳内设有收容切换片3两侧的滑轨的技术方案,不仅可以用于上述具有三种档位的多功能电锤内部,另外同样可以用于具有两种档位的多功能电锤内部,本发明的保护范围以权利要求书的内容为准。 The present invention is not limited to the above specific embodiments, and those skilled in the art can easily understand that the casing of the present invention is provided with a slide for accommodating the sides of the switching piece 3 without departing from the principle and scope of the present invention. The technical solution of the rail can be used not only in the above-mentioned multi-function electric hammer with three gear positions, but also in the inside of the multi-function electric hammer having two gear positions, and the scope of protection of the present invention is in the scope of the claims. Prevail.

Claims (12)

  1. 一种多功能电锤(100),其包括:机壳(4)、设置于机壳(4)内的电机(13)、电机(13)驱动的支撑轴(1)、功能切换部(102)及输出部(103),功能切换部(102)支撑在支撑轴(1)上;输出部具有位于支撑轴(1)左端的第一齿轮(5)及位于右端的往复部(6),功能切换部具有套设在支撑轴(1)并与支撑轴(1)啮合的一对离合套筒(2)及位于该离合套筒之间的弹性元件(7)、支撑在离合套筒上的切换片(3)、功能旋钮(8);A multifunctional electric hammer (100) comprising: a casing (4), a motor (13) disposed in the casing (4), a support shaft (1) driven by the motor (13), and a function switching portion (102) And an output portion (103), the function switching portion (102) is supported on the support shaft (1); the output portion has a first gear (5) at a left end of the support shaft (1) and a reciprocating portion (6) at a right end. The function switching portion has a pair of clutch sleeves (2) sleeved on the support shaft (1) and engaged with the support shaft (1), and an elastic member (7) located between the clutch sleeves, supported on the clutch sleeve Switching piece (3), function knob (8);
    其特征在于:所述机壳(4)内侧具有收容切换片(3)两侧的滑轨(4a),上述功能旋钮(8)驱动切换片(3)沿滑轨(4a)左右移动,使离合套筒(2)与往复部作啮合或断开。The utility model is characterized in that: the inner side of the casing (4) has a sliding rail (4a) for accommodating the two sides of the switching piece (3), and the function knob (8) drives the switching piece (3) to move left and right along the sliding rail (4a), so that The clutch sleeve (2) is engaged or disconnected from the reciprocating portion.
  2. 根据权利要求1所述的多功能电锤(100),其特征在于:所述一对离合套筒(2)分别具有呈圆柱形的台阶面,所述切换片(3)设有分别抵接在所述台阶面的两侧壁。The multi-function electric hammer (100) according to claim 1, wherein the pair of clutch sleeves (2) respectively have a cylindrical stepped surface, and the switching sheets (3) are respectively provided to abut On both side walls of the step surface.
  3. 根据权利要求2所述的多功能电锤(100),其特征在于:所述切换片(3)设有连接两侧壁的底壁,该底壁具有通孔(3b),所述功能旋钮(8)具有穿过通孔(3b)的卡销(8a)。The multifunctional electric hammer (100) according to claim 2, wherein the switching piece (3) is provided with a bottom wall connecting the two side walls, the bottom wall has a through hole (3b), and the function knob (8) A bayonet (8a) having a through hole (3b).
  4. 根据权利要求1所述的多功能电锤(100),其特征在于:所述机壳(4)两侧分别设有向壳体内延伸的上、下相对的一对凸肋(41)及位于凸肋(41)之间的凹槽(42),该凸肋(41)及凹槽(42)构成上述滑轨(4a),所述切换片(3)的底壁具有朝两端凸伸并收容上述凹槽(42)内的导向边(3a)。The multifunctional electric hammer (100) according to claim 1, wherein each of the two sides of the casing (4) is provided with a pair of upper and lower opposing ribs (41) extending into the casing and located at a groove (42) between the ribs (41), the rib (41) and the groove (42) constitute the slide rail (4a), and the bottom wall of the switch piece (3) has a convex end toward both ends And accommodating the guiding edge (3a) in the groove (42).
  5. 根据权利要求4所述的多功能电锤(100),其特征在于:所述机壳(4)两侧的滑轨(4a)位于同一平面内,且以支撑轴(1)轴心线的上下方向平面为中心,分别设置于机壳(4)的两侧。The multifunctional electric hammer (100) according to claim 4, characterized in that the sliding rails (4a) on both sides of the casing (4) are located in the same plane and are supported by the shaft (1) The upper and lower directions are centered and are respectively disposed on both sides of the casing (4).
  6. 根据权利要求5所述的多功能电锤(100),其特征在于:所述凸肋(41)具 有面向凹槽且引导切换片(3)的导引面。The multifunctional electric hammer (100) according to claim 5, wherein said rib (41) has There is a guiding surface facing the groove and guiding the switching piece (3).
  7. 根据权利要求1所述的多功能电锤(100),其特征在于:所述第一齿轮(5)套设于支撑轴(1)上,所述输出部(103)还具有平行设于支撑轴(1)上方的锤管(9)、套设于锤管(9)并与锤管(9)固定连接的第二齿轮(10),所述第二齿轮(10)与第一齿轮(5)相啮合。The multifunctional electric hammer (100) according to claim 1, wherein the first gear (5) is sleeved on the support shaft (1), and the output portion (103) is further disposed in parallel with the support. a hammer tube (9) above the shaft (1), a second gear (10) sleeved on the hammer tube (9) and fixedly connected to the hammer tube (9), the second gear (10) and the first gear ( 5) Engage.
  8. 根据权利要求7所述的多功能电锤(100),其特征在于:所述往复部(6)套设于支撑轴(1)上,所述往复部(6)具有摆杆(6a),所述输出部(103)具有沿锤管(9)内壁滑动的气缸(11),所述摆杆(6a)与所述气缸(11)摆动连接并驱动气缸(11)进行往复运动。The multifunctional electric hammer (100) according to claim 7, wherein the reciprocating portion (6) is sleeved on the support shaft (1), and the reciprocating portion (6) has a swing rod (6a). The output portion (103) has a cylinder (11) that slides along the inner wall of the hammer tube (9), and the swing rod (6a) is swingably coupled to the cylinder (11) and drives the cylinder (11) to reciprocate.
  9. 根据权利要求8所述的多功能电锤(100),其特征在于:所述功能切换锤钻(100)当切换至钻档时,所述切换片(3)驱动左侧的离合套筒(2)与第一齿轮(5)啮合,同时右侧的离合套筒(2)与往复部(6)分离。The multi-function electric hammer (100) according to claim 8, characterized in that the function switching hammer drill (100) drives the clutch sleeve on the left side when switching to the drilling position ( 2) Engaged with the first gear (5) while the clutch sleeve (2) on the right side is separated from the reciprocating portion (6).
  10. 根据权利要求8所述的多功能电锤(100),其特征在于:所述功能切换锤钻(100)当切换至冲击钻档时,所述切换片(3)驱动左侧的离合套筒(2a)与第一齿轮(5)啮合,同时右侧的离合套筒(2b)与往复部(6)啮合。The multi-function electric hammer (100) according to claim 8, characterized in that: the function switching hammer drill (100) drives the clutch sleeve on the left side when switching to the impact drill position (2a) meshes with the first gear (5) while the clutch sleeve (2b) on the right side meshes with the reciprocating portion (6).
  11. 根据权利要求8所述的多功能电锤(100),其特征在于:所述功能切换锤钻(100)当切换至冲击档时,所述切换片(3)驱动左侧的离合套筒(2a)与第一齿轮(5)分离,同时右侧的离合套筒(2b)与往复部(6)啮合。The multi-function electric hammer (100) according to claim 8, characterized in that: the function switching hammer drill (100) drives the clutch sleeve on the left side when switching to an impact gear (3) 2a) is separated from the first gear (5) while the clutch sleeve (2b) on the right side is engaged with the reciprocating portion (6).
  12. 根据权利要求1至11中任一项所述的多功能电锤(100),其特征在于:所述离合套筒(2)与所述支撑轴(1)由键槽或齿轮啮合连接。 The multi-function electric hammer (100) according to any one of claims 1 to 11, characterized in that the clutch sleeve (2) is meshed with the support shaft (1) by a keyway or a gear.
PCT/CN2017/103070 2017-08-01 2017-11-30 Multifunctional electric hammer WO2019024203A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201710647018 2017-08-01
CN201710647018.4 2017-08-01

Publications (1)

Publication Number Publication Date
WO2019024203A1 true WO2019024203A1 (en) 2019-02-07

Family

ID=60215749

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/103070 WO2019024203A1 (en) 2017-08-01 2017-11-30 Multifunctional electric hammer

Country Status (2)

Country Link
CN (1) CN107336199A (en)
WO (1) WO2019024203A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107336199A (en) * 2017-08-01 2017-11-10 江苏东成机电工具有限公司 Multifunctional electric hammer

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201338261Y (en) * 2009-01-21 2009-11-04 常州赛迪电气制造有限公司 Multifunctional electric hammer
CN202241182U (en) * 2011-09-19 2012-05-30 无锡锐克电动工具有限公司 Single-knob four-function electric hammer
CN204295648U (en) * 2014-12-02 2015-04-29 无锡锐克电动工具有限公司 A kind of Single button multifunctional electric hammer of double-clutch mechanism
CN204913814U (en) * 2015-08-07 2015-12-30 安徽工程大学 Multi -functional electric hammer structure
CN205057966U (en) * 2015-09-25 2016-03-02 无锡锐克电动工具有限公司 Multi -functional electric hammer of single knob
JP2017042887A (en) * 2015-08-27 2017-03-02 株式会社マキタ Hammering tool
CN107336199A (en) * 2017-08-01 2017-11-10 江苏东成机电工具有限公司 Multifunctional electric hammer

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201338261Y (en) * 2009-01-21 2009-11-04 常州赛迪电气制造有限公司 Multifunctional electric hammer
CN202241182U (en) * 2011-09-19 2012-05-30 无锡锐克电动工具有限公司 Single-knob four-function electric hammer
CN204295648U (en) * 2014-12-02 2015-04-29 无锡锐克电动工具有限公司 A kind of Single button multifunctional electric hammer of double-clutch mechanism
CN204913814U (en) * 2015-08-07 2015-12-30 安徽工程大学 Multi -functional electric hammer structure
JP2017042887A (en) * 2015-08-27 2017-03-02 株式会社マキタ Hammering tool
CN205057966U (en) * 2015-09-25 2016-03-02 无锡锐克电动工具有限公司 Multi -functional electric hammer of single knob
CN107336199A (en) * 2017-08-01 2017-11-10 江苏东成机电工具有限公司 Multifunctional electric hammer

Also Published As

Publication number Publication date
CN107336199A (en) 2017-11-10

Similar Documents

Publication Publication Date Title
US9308636B2 (en) Rotary hammer with vibration dampening
US7513317B2 (en) Impact tool with vibration control mechanism
CN1709651A (en) Power impact tool
EP2055440A1 (en) Multi-function double-speed rotary hammer
WO2019024203A1 (en) Multifunctional electric hammer
CN101844346A (en) Power tool
CN101479078A (en) Electric hand tool
WO2007105742A1 (en) Electrically-driven power tool
US20110000693A1 (en) Hand-held power tool
CN201346910Y (en) Lift mechanism for bill binding machine
CN204144188U (en) Transmission mechanism in dual-power transfer switch
CN110774236B (en) Pneumatic impact tool with adjustable pressure
CN202006461U (en) Electric hammer function switching device
CN208662602U (en) A kind of electric hammer impact drill for preventing clast from splashing
CN207387575U (en) Multifunctional electric hammer
KR101059687B1 (en) Power tool providing hammer and drill function
CN110871421A (en) Multifunctional electric hammer
CN211073472U (en) Electric hammer
CN208391954U (en) A kind of electric hammer with absorption fugitive dust function
CN209986905U (en) Double-function electric hammer
WO2020024762A1 (en) Automated hammering-mode locking device for electric hammering tool
CN205057973U (en) Three function shifters of electric hammer
CN210361177U (en) Electric hammer assembly
CN214055146U (en) Electric hammer
CN211639780U (en) Electric hammer function switching mechanism

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17919668

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17919668

Country of ref document: EP

Kind code of ref document: A1