WO2024082404A1 - 一种电动工具工作部件拆换及固定结构和电动工具 - Google Patents

一种电动工具工作部件拆换及固定结构和电动工具 Download PDF

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Publication number
WO2024082404A1
WO2024082404A1 PCT/CN2022/138151 CN2022138151W WO2024082404A1 WO 2024082404 A1 WO2024082404 A1 WO 2024082404A1 CN 2022138151 W CN2022138151 W CN 2022138151W WO 2024082404 A1 WO2024082404 A1 WO 2024082404A1
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electric tool
working
tenon
shaped retaining
component
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PCT/CN2022/138151
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English (en)
French (fr)
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袁崔华
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袁崔华
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Publication of WO2024082404A1 publication Critical patent/WO2024082404A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for

Definitions

  • the utility model relates to the technical field of electric tools, and in particular to a working part disassembly and fixing structure of an electric tool, which is convenient for replacing and maintaining the working parts, and an electric tool with the structure.
  • the working parts and driving parts are generally assembled and disassembled through the cooperation of the slots and hooks designed on the plastic shell.
  • This detachable structure is prone to wear or breakage of the hook parts during long-term use, which will cause unstable combination of the working parts and the driving parts, and the tool head will shake when working at high speed. If the hook or slot part breaks, it is necessary to replace the driving part or the working part as a whole or replace the shell, which is costly and inconvenient to maintain.
  • the purpose of the utility model is to provide a structure for disassembling and fixing working parts of electric tools and an electric tool having the structure, which can conveniently and quickly realize the disassembly, replacement and fixing of working parts, and is easy to maintain with low maintenance costs.
  • the utility model provides a structure for disassembling and fixing working parts of an electric tool, which is used for disassembling, replacing and fixing the working parts of the electric tool in the electric tool, wherein the electric tool comprises a gripping part, a driving part and a working part connected and fixed to the driving part;
  • the structure for disassembling and fixing working parts comprises a detachment button, a U-shaped retaining spring fixedly connected to the detachment button, the narrower opening end of the U-shaped retaining spring being fixed in the detachment button, and the bottom abutting against the inner wall of the housing of the electric tool; a spring arranged perpendicular to the plane where the U-shaped retaining spring is located, a tenon part fixed to the housing of the working part, the tenon part being provided with a roughly cylindrical plug-in part, a slot fixed to the U-shaped retaining spring being provided on the circumferential surface of the plug-in part, a tenon structure being provided at a position of the plug
  • the bottom of the U-shaped retaining ring is fixed in a retaining ring groove on the inner wall of the housing.
  • the end of the plug-in portion of the tenon component is configured as a cone structure.
  • the springs are arranged in pairs in the axial direction relative to the tenon component.
  • the number of the springs is 2 or 4.
  • the utility model also provides an electric tool including the above-mentioned working part replacement and fixing structure, the electric tool includes a gripping part, a driving part and a working part, the detachable button, U-shaped retaining ring and spring of the working part replacement and fixing structure are arranged on the driving part, and the tenon part is fixed to the housing of the working part.
  • the electric tool is a portable battery-driven electric tool or an external power-driven electric tool.
  • the housing of the holding component and the driving component is an integrally formed housing.
  • the bottom of the gripping component has a battery containing structure.
  • the beneficial effect of the utility model is that the working part replacement and fixing structure of the electric tool of the utility model utilizes the cooperation of a detachable button, a U-shaped retaining spring with a narrower opening end, a spring and a tenon component to very conveniently realize the plug-in fixation and disassembly of the working part and the driving part.
  • this structure there are no structures such as hooks and slots that are easily worn or broken.
  • the connection and fixing effect is excellent and the service life is long. It is not easy to have poor plug-in due to long-term use and wear of the parts. Moreover, the product maintenance is relatively easy and the cost is low.
  • FIG1 is a schematic diagram of a three-dimensional structure of an electric tool with a working component replacement and fixing structure according to an embodiment of the present invention
  • FIG2 shows a schematic structural diagram of the structure for disassembling and fixing the working parts of the electric tool of the present invention
  • FIG3 shows a schematic structural diagram of the tenon component in the structure for replacing and fixing the working component of the electric tool of the present invention.
  • 10-holding part 20-driving part; 30-working part; 22-detachment button; 23-spring; 24-U-shaped retaining spring; 31-tenon part; 313-flat part; 314-shoulder; 315-spring positioning hole; 322-plug-in part; 332-retaining spring slot.
  • the electric tool comprises a gripping component 10, a driving component 20 and a working component 30 connected and fixed to the driving component;
  • the structure for disassembling and fixing working parts comprises a detachable button 22, a U-shaped retaining spring 24 fixedly connected to the detachable button, the narrower opening end of the U-shaped retaining spring 24 being fixed in the detachable button 22, and the bottom abutting against the inner wall of the housing of the electric tool.
  • a spring 23 is arranged perpendicular to the plane where the U-shaped retaining spring 24 is located, and a tenon component 31 is fixed to the shell of the working component 30.
  • the tenon component 31 is provided with a roughly cylindrical plug-in portion 322, and a groove 332 fixed to the U-shaped retaining spring is provided on the circumferential surface of the plug-in portion 322.
  • a tenon structure 313 is provided at a position of the plug-in portion 322 corresponding to the open end of the U-shaped retaining spring, and two ends of the tenon structure 313 protrude from the circumferential surface of the plug-in portion to form two shoulders 314, and a spring positioning hole 315 is provided on the tenon component 31 at a position corresponding to the spring 23.
  • the utility model relates to a structure for disassembling and fixing working parts of an electric tool.
  • the disassembly button 22 is pressed. Since the bottom of the disassembly button 22 is limited, the open end of the U-shaped retaining spring is deformed and opened, and the tenon structure 313 of the tenon part 31 of the working part smoothly passes through the U-shaped retaining spring 24 so that the U-shaped retaining spring 24 is clamped in the clamping groove 332.
  • the spring 23 is correspondingly inserted into the spring positioning hole 315 and compressed. The disassembly button 22 is released, and the U-shaped retaining spring is reset.
  • the U-shaped retaining spring Due to the restrictions of the clamping groove 332 and the tenon structure 313, the U-shaped retaining spring is prevented from being disengaged. In this way, the working part is fixedly connected with the driving part.
  • the disassembly button 22 is pressed, the U-shaped retaining spring is deformed, and under the action of the compressed spring 23, the tenon structure 313 of the tenon part 31 is disengaged from the restriction of the U-shaped retaining spring and is disengaged from the driving part.
  • the bottom of the U-shaped retaining ring is fixed in a retaining ring groove (not shown) on the inner wall of the shell. In this way, the position of the retaining ring is limited up and down by the release button and the retaining ring groove to prevent it from shifting.
  • the end of the plug-in portion 322 of the tenon component 31 is set to a cone structure.
  • the springs 23 are arranged in pairs relative to the axial direction of the tenon component 31, and 2 or 4 springs may be arranged.
  • the spring 23 is fixedly arranged at one end of the U-shaped retaining spring. It should be understood that the spring 23 may also be fixedly arranged on the tenon component 31, and a spring positioning hole may be arranged at one end of the U-shaped retaining spring, which should be regarded as an equivalent technical means of the present utility model.
  • the utility model also provides an electric tool including the above-mentioned working part replacement and fixing structure, the electric tool includes a gripping part, a driving part and a working part, the disassembly button 22 and U-shaped retaining spring 23 of the working part replacement and fixing structure are designed on the driving part, and the tenon part 31 is fixed to the housing of the working part.
  • the electric tool may be a portable battery-driven electric tool or an external power-driven electric tool.
  • the housing of the holding component and the driving component is an integrally formed housing, which can simplify the installation process of the power tool and ensure the positioning accuracy between internal parts.
  • the bottom of the gripping component has a battery containing structure (not shown) to facilitate installation and removal of the battery.
  • the utility model of the electric tool working part replacement and fixing structure utilizes the cooperation of a detachable button, a U-shaped clip with a narrow opening end, a spring and a tenon component to very conveniently realize the plug-in fixation and disassembly of the working part and the driving part.
  • this structure there is no structure such as a hook or a slot that is easy to wear or break.
  • the connection and fixing effect is excellent and the service life is long. It is not easy to have poor plug-in due to long-term use and wear of the parts. Moreover, the maintenance of the product is relatively easy and the cost is low.
  • the utility model of the working part replacement and fixing structure can be used alone or in combination with the existing hook and slot structure, so that the connection between the working part and the driving part is more reliable and the service life of the product is extended.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Abstract

一种电动工具工作部件拆换及固定结构，其包括脱卸按钮(22)，与脱卸按钮固定连接的U型卡簧(24)，U型卡簧较窄的开口端固定在脱卸按钮中，垂直于U型卡簧所在平面设置的弹簧(23)；与工作部件(30)的壳体固定的榫头部件(31)，其上设有插接部(322)，插接部的圆周面上设有与U型卡簧固定的卡槽(332)，插接部对应U型卡簧开口端的位置设置有卡榫结构(313)。还提出一种应用该工作部件拆换及固定结构的电动工具。该拆换及固定结构利用脱卸按钮、开口端较窄的U型卡簧、弹簧以及榫头部件的配合，非常方便的实现工作部件与驱动部件的插接固定以及拆卸，连接固定效果优异且使用寿命长，不易发生由于部件的长期使用磨损造成的插接不良，产品的维护容易，成本低。

Description

一种电动工具工作部件拆换及固定结构和电动工具 技术领域
本实用新型涉及电动工具技术领域，特别涉及一种方便工作部件更换及维护的电动工具工作部件拆换固定结构及具有所述结构的电动工具。
背景技术
随着社会发展水平的不断进步，作业效率在其中发挥了重要的作用，而先进工具的使用则是推动作业效率不断提升的重要原因之一，不管是在工业生产领域还是在个人制作(DIY)领域，电动工具都得到了广泛的使用，特别是随着锂电电池产业的发展，便携式的电动工具的应用场景不断扩展。在电动工具广泛普及应用的同时，工具使用中的安全性成了电动工具设计中最关键的考虑因素之一。为了提供工具使用的便利性并降低成本，一般的电动工具都包括三部分，握持部件(含电池模块)，驱动部件(含驱动电机)以及工作部件，工作部件与驱动部件一般设计为可拆卸结构，如此，在用户需要进行不同的作业时，只需要更换工作部件即可，而不需要购买不同的整机，如此可以降低用户成本，便于工具的推广使用。对于目前的电动工具，工作部件与驱动部件之间一般是通过塑料壳体上设计的卡槽与卡勾的配合进行装配与拆卸，这种可拆卸结构，在长期使用过程中，容易发生磨损或者卡勾部件断裂，如此会导致工作部件与驱动部件结合不稳定，工具头在高速工作时发生晃动；如果卡勾或卡槽部件断裂，需要对驱动部件或工作部件进行整体更换或对壳体进行更换，一是成本比较高，另外维护不方便。
实用新型内容
针对上述的电动工具在应用中的使用要求，本实用新型的目的是提供一种电动工具工作部件拆换及固定结构以及具有所述结构的电动工具，可以方便快捷地实现工作部件的拆卸更换及固定，且便于维护，维护成本低。
为达到本实用新型的目的，本实用新型的一种电动工具工作部件拆换及固定结构，用于电动工具中对电动工具的工作部件进行拆卸更换及固定，所述的电动工具包括握持部件、驱动部件以及与驱动部件连接固定的工作部件；所述的工作部件拆换及固定结构包括脱卸按钮，与脱卸按钮固定连接的U型卡簧，所述的U型卡簧较窄的开口端固定在脱卸按钮中，底部与电动工具的壳体内壁抵接；垂直于U型卡簧所在平面设置的弹簧，与工作部件的壳体固定的榫头部件，所述的榫头部件上设有大致呈柱体状的插接部，所述的插接部的圆周面上设有与U型卡簧固定的卡槽，所述的插接部对应U型卡簧开口端的位置设置有卡榫结构，卡榫 结构的两端凸出于插接部的圆周表面形成两个肩部，所述的榫头部件上对应弹簧的位置设置有弹簧定位孔。
较优的，所述的U型卡簧的底部固定在壳体内壁的卡簧槽中。
再优选的，所述的榫头部件的插接部的端部设置为锥体结构。
再优选的，所述的弹簧相对榫头部件的轴向方向成对设置。
再优选的，所述的弹簧设置有2个或4个。
根据本实用新型的另一目的，本实用新型还提供一种包括上述的工作部件拆换及固定结构的电动工具，所述的电动工具包括握持部件、驱动部件以及工作部件，所述的工作部件拆换及固定结构的脱卸按钮、U型卡簧、弹簧设置在驱动部件上，所述的榫头部件与工作部件的壳体固定。
再优选的，所述的电动工具为便携式的采用电池驱动的电动工具或者为采用外接电源驱动的电动工具。
再优选的，所述的握持部件与驱动部件的壳体为一体成型的壳体。
再优选的，所述的握持部件的底部具有电池包容置结构。
本实用新型的有益效果是，本实用新型的电动工具工作部件拆换及固定结构，利用脱卸按钮、开口端较窄的U型卡簧、弹簧以及榫头部件的配合，非常方便的实现工作部件与驱动部件的插接固定以及拆卸，此结构中，不存在容易磨损或断裂的如卡勾、卡槽之类的结构，连接固定效果优异且使用寿命长，不易发生由于部件的长期使用磨损造成的插接不良，而且产品的维护也比较容易，成本低。
附图说明
通过下面结合附图的详细描述，本实用新型前述的和其他的目的、特征和优点将变得显而易见。其中：
图1所示为本实用新型的一实施例的具有工作部件拆换及固定结构的电动工具的立体结构示意图；
图2示出了本实用新型的电动工具工作部件拆换及固定结构的结构示意图；
图3示出了本实用新型的电动工具工作部件拆换及固定结构中的榫头部件的结构示意图。
元件标号及名称如下：
10-握持部件；20-驱动部件；30-工作部件；22-脱卸按钮；23-弹簧；24-U型卡簧；31-榫头部件；313-平面部；314-肩部；315-弹簧定位孔；322-插接部；332-卡簧卡槽。
具体实施方式
结合附图本实用新型的结构特征及优点详述如下。
结合参照图1至图3，本实用新型的一种电动工具工作部件拆换及固定结构，用于电动工具中对电动工具的工作部件进行拆卸更换及固定，如图1所示，所述的电动工具包括握持部件10、驱动部件20以及与驱动部件连接固定的工作部件30；参照图2，所述的工作部件拆换及固定结构包括脱卸按钮22，与脱卸按钮固定连接的U型卡簧24，所述的U型卡簧24较窄的开口端固定在脱卸按钮22中，底部与电动工具的壳体内壁抵接；垂直于U型卡簧24所在平面设置的弹簧23，与工作部件30的壳体固定的榫头部件31，所述的榫头部件31上设有大致呈柱体状的插接部322，所述的插接部322的圆周面上设有与U型卡簧固定的卡槽332，所述的插接部322对应U型卡簧开口端的位置设置有卡榫结构313，卡榫结构313的两端凸出于插接部的圆周表面形成两个肩部314，所述的榫头部件31上对应弹簧23的位置设置有弹簧定位孔315。
本实用新型的电动工具工作部件拆换及固定结构，当需要将工作部件与驱动部件插接时，按压脱卸按钮22，由于脱卸按钮22的底部被限定，因此，U型卡簧的开口端变形张开，工作部件的榫头部件31的卡榫结构313顺利通过U型卡簧24使U型卡簧24卡套在卡槽332中，弹簧23对应插入弹簧定位孔315中并被压缩，松开脱卸按钮22，U型卡簧复位，由于卡槽332以及卡榫结构313的限制，阻止U型卡簧脱开，如此，将工作部件与驱动部件固定连接；当需要将工作部件从电动工具上拆卸时，按压脱卸按钮22，U型卡簧变形，且在被压缩的弹簧23的作用下，榫头部件31的的卡榫结构313从U型卡簧的限制中脱开，与驱动部件脱离。
在一较优的设计方案中，所述的U型卡簧的底部固定在壳体内壁的卡簧槽(未图示)中，如此，通过脱卸按钮以及卡簧槽与对卡簧的位置进行上下限定，避免其移位。
在另一优选的实施方式中，在工作部件安装时，为了便于工作部件的榫头部件31通过U型卡簧，所述的榫头部件31的插接部322的端部设置为锥体结构。
在另一优选的实施方式中，所述的弹簧23相对榫头部件31的轴向方向成对设置，可以设置2个或4个。本实施例中，是将弹簧23固定设置在U型卡簧的一端，应当理解的是，也可以将其固定设置在榫头部件31上，而在U型卡簧的一端设置弹簧定位孔，此应视为本实用新型的等同技术手段。
根据本实用新型的另一目的，本实用新型还提供一种包括上述的工作部件拆换及固定结构的电动工具，所述的电动工具包括握持部件、驱动部件以及工作部件，所述的工作部件拆换及固定结构的脱卸按钮22、U型卡簧23设计在驱动部件上，所述的榫头部件31与工作 部件的壳体固定。
在另一优选的实施方式中，所述的电动工具可以是便携式的采用电池驱动的电动工具，也可以是采用外接电源驱动的电动工具。
在另一优选的实施方式中，所述的握持部件与驱动部件的壳体为一体成型的壳体，如此，可以简化电动工具的安装工序，并保证内部零件之间的位置定位精度。
在另一优选的实施方式中，所述的握持部件的底部具有电池包容置结构(未图示)，便于电池的安装及拆卸。
本实用新型的电动工具工作部件拆换及固定结构，利用脱卸按钮、开口端较窄的U型卡簧、弹簧以及榫头部件的配合，非常方便的实现工作部件与驱动部件的插接固定以及拆卸，此结构中，不存在容易磨损或断裂的如卡勾、卡槽之类的结构，连接固定效果优异且使用寿命长，不易发生由于部件的长期使用磨损造成的插接不良，而且产品的维护也比较容易，成本低。另外，本实用新型的工作部件拆换及固定结构可以单独使用，也可以结合现有的卡勾卡槽结构使用，是工作部件与驱动部件的连接更加可靠，延长产品的使用寿命。
本实用新型并不局限于所述的实施例，本领域的技术人员在不脱离本实用新型的精神即公开范围内，仍可作一些修正或改变，故本实用新型的权利保护范围以权利要求书限定的范围为准。

Claims (9)

  1. 一种电动工具工作部件拆换及固定结构，用于电动工具中对电动工具的工作部件进行拆卸更换及固定，所述的电动工具包括握持部件、驱动部件以及与驱动部件连接固定的工作部件；其特征在于，所述的工作部件拆换及固定结构包括脱卸按钮，与脱卸按钮固定连接的U型卡簧，所述的U型卡簧较窄的开口端固定在脱卸按钮中，底部与电动工具的壳体内壁抵接；垂直于U型卡簧所在平面设置的弹簧，与工作部件的壳体固定的榫头部件，所述的榫头部件上设有大致呈柱体状的插接部，所述的插接部的圆周面上设有与U型卡簧固定的卡槽，所述的插接部对应U型卡簧开口端的位置设置有卡榫结构，卡榫结构的两端凸出于插接部的圆周表面形成两个肩部，所述的榫头部件上对应弹簧的位置设置有弹簧定位孔。
  2. 如权利要求1所述的一种电动工具工作部件拆换及固定结构，其特征在于，所述的U型卡簧的底部固定在壳体内壁的卡簧槽中。
  3. 如权利要求1所述的一种电动工具工作部件拆换及固定结构，其特征在于，所述的榫头部件的插接部的端部设置为锥体结构。
  4. 如权利要求1所述的一种电动工具工作部件拆换及固定结构，其特征在于，所述的弹簧相对榫头部件的轴向方向成对设置。
  5. 如权利要求4所述的一种电动工具工作部件拆换及固定结构，其特征在于，所述的弹簧设置有2个或4个。
  6. 一种包括如权利要求1-5任一项所述的工作部件拆换及固定结构的电动工具，其特征在于，所述的电动工具包括握持部件、驱动部件以及工作部件，所述的工作部件拆换及固定结构的脱卸按钮、U型卡簧、弹簧设置在驱动部件上，所述的榫头部件与工作部件的壳体固定。
  7. 如权利要求6所述的一种电动工具，其特征在于，所述的电动工具为便携式的采用电池驱动的电动工具或者为采用外接电源驱动的电动工具。
  8. 如权利要求6所述的一种电动工具，其特征在于，所述的握持部件与驱动部件的壳体为一体成型的壳体。
  9. 如权利要求6所述的一种电动工具，其特征在于，所述的握持部件的底部具有电池包容置结构。
PCT/CN2022/138151 2022-10-19 2022-12-09 一种电动工具工作部件拆换及固定结构和电动工具 WO2024082404A1 (zh)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1313175A (zh) * 2000-03-10 2001-09-19 布莱克-德克尔公司 连接方法
CN202278564U (zh) * 2010-01-07 2012-06-20 布莱克和戴克公司 具有带可移除的接触脱开组件的驱动机具的螺旋传动工具
CN104708606A (zh) * 2015-03-19 2015-06-17 常州彤扬电气制造有限公司 多功能工具及其快换结构
US20150343583A1 (en) * 2014-05-30 2015-12-03 Black & Decker Inc. Power tool accessory attachment system
CN206748357U (zh) * 2017-06-05 2017-12-15 钱贤峰 一种易更换功能的电动工具
CN211073447U (zh) * 2019-11-25 2020-07-24 施耐德电器工业公司 一种免工具拆卸按钮的基座组件
CN216541198U (zh) * 2021-11-17 2022-05-17 浙江金美电动工具有限公司 一种电动工具的锯片快换结构

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1313175A (zh) * 2000-03-10 2001-09-19 布莱克-德克尔公司 连接方法
CN202278564U (zh) * 2010-01-07 2012-06-20 布莱克和戴克公司 具有带可移除的接触脱开组件的驱动机具的螺旋传动工具
US20150343583A1 (en) * 2014-05-30 2015-12-03 Black & Decker Inc. Power tool accessory attachment system
CN104708606A (zh) * 2015-03-19 2015-06-17 常州彤扬电气制造有限公司 多功能工具及其快换结构
CN206748357U (zh) * 2017-06-05 2017-12-15 钱贤峰 一种易更换功能的电动工具
CN211073447U (zh) * 2019-11-25 2020-07-24 施耐德电器工业公司 一种免工具拆卸按钮的基座组件
CN216541198U (zh) * 2021-11-17 2022-05-17 浙江金美电动工具有限公司 一种电动工具的锯片快换结构

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