WO2015169170A1 - 电磁钉枪 - Google Patents

电磁钉枪 Download PDF

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Publication number
WO2015169170A1
WO2015169170A1 PCT/CN2015/077845 CN2015077845W WO2015169170A1 WO 2015169170 A1 WO2015169170 A1 WO 2015169170A1 CN 2015077845 W CN2015077845 W CN 2015077845W WO 2015169170 A1 WO2015169170 A1 WO 2015169170A1
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WIPO (PCT)
Prior art keywords
nail gun
lever
slider
connecting rod
electromagnetic
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PCT/CN2015/077845
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English (en)
French (fr)
Inventor
冯泽舟
范悦
廖志文
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北京大风时代科技有限责任公司
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Publication of WO2015169170A1 publication Critical patent/WO2015169170A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/06—Hand-held nailing tools; Nail feeding devices operated by electric power

Definitions

  • the present invention relates to the field of nail guns, and in particular to an electromagnetic nail gun.
  • Electromagnetic nail gun is a new type of nail gun. Compared with the previous pneumatic nail gun, electromagnetic nail gun has the advantages of convenient carrying and high energy utilization, so it is widely used in construction, decoration, furniture manufacturing and other fields.
  • the iron core and the electromagnet are usually located above the handle, and the iron core generally moves in a direction perpendicular to the extending direction of the handle, and the electromagnetic nail is caused by the relatively large weight of the iron core and the electromagnet.
  • the center of gravity of the gun is above the handle and the center of gravity is high. In this way, the impact force generated when the nail is nailed may cause the user to grasp the handle and easily cause the user to feel fatigue.
  • the present invention provides an electromagnetic nail gun including a housing, and a slider device mounted in the housing, a lever mechanism for driving a slider movement in the slider device, And a lever driving device for driving the movement of the lever mechanism, a part of the housing being formed as a handle portion, wherein the slider device is located above the handle portion, and the lever driving device is located at the handle Below the ministry.
  • the lever mechanism comprises an interconnecting lever and a connecting rod, the lever being connected to the slider device, the connecting rod being connected to the lever driving device.
  • the link extends through the handle portion.
  • the electromagnetic nail gun further includes a connecting rod sleeve fixed to the casing, the connecting rod sleeve is located In the handle portion, the connecting rod extends through the connecting rod sleeve, a protrusion is formed on the connecting rod, a limiting portion is formed on an inner wall of the connecting rod sleeve, and the electromagnetic nail gun comprises a return spring The return spring is sleeved on the connecting rod and elastically supported between the protrusion and the limiting portion.
  • the lever driving device includes an electromagnet and a driving iron core, the electromagnet is capable of driving the driving iron core, and the connecting rod is coupled to the driving iron core.
  • the electromagnet comprises an electromagnetic coil, a bobbin, and a magnetically permeable sleeve
  • the electromagnetic coil is wound on the bobbin
  • the bobbin is embedded on an inner peripheral wall of the magnetic permeable sleeve and is magnetically coupled
  • the sleeve is coaxial
  • the magnetic sleeve is fixed to the housing
  • the driving core is movably disposed at one end of the magnetic sleeve.
  • the slider device includes a slide that extends in a horizontal direction, and the handle portion extends in a vertical direction substantially perpendicular to the slide.
  • the slider device further includes a roller and a roller shaft, the roller shaft being mounted on the slider, the axis of the roller shaft being perpendicular to a plane of rotation of the lever and a central axis of the slider Intersecting, the roller is pivotally mounted on the roller shaft, a first end of the lever extends into the slide, and abuts against an outer peripheral surface of the roller during the nailing process to push the The slider moves.
  • the bottom of the slideway is provided with a through groove extending along the length of the slide.
  • the electromagnetic nail gun includes a muzzle nail clip assembly that is located on a front side of the housing and that is substantially parallel to the handle portion.
  • the invention sets the weight of the electromagnetic nail gun down to the position below the handle or the handle by placing the weighted lever driving device under the handle, thereby facilitating the operator to hold the electromagnetic nail gun more stably when nailing, Not easy to produce fatigue.
  • FIG. 1 is a schematic structural view of an electromagnetic nail gun according to an embodiment of the present invention.
  • FIG. 2 is a schematic view of a slider structure of the electromagnetic nail gun of FIG. 1.
  • a lever driving device for moving the lever mechanism a part of the housing 20 is formed as a handle portion 21, the slider device is located above the handle portion 21, and the lever driving device is located below the handle portion 21.
  • the present invention allows the operator to hold the electromagnetic nail gun more stably when nailing by placing the weighted lever driving device under the handle 21 so that the center of gravity of the electromagnetic nail gun is moved down to the position below the handle or the handle. It is not easy to cause fatigue.
  • the lever mechanism may include an interlocking lever 10 and a link 15, which is connected to the slider device, and the link 15 is connected to the lever driving device.
  • the connecting rod 15 may be located outside the handle portion 21 or may be located inside the handle portion 21.
  • the link 15 extends through the handle portion 21, that is, the link 15 is disposed in the handle portion 21.
  • the electromagnetic nail gun further includes a connecting rod sleeve 16 fixed to the casing 20, the connecting rod sleeve 16 is located in the handle portion 21, and the connecting rod 15 extends through the connecting rod sleeve 16.
  • a protrusion 151 is formed on the connecting rod 15
  • a limiting portion 161 is formed on an inner wall of the connecting rod sleeve 16 .
  • the electromagnetic nail gun includes a return spring 7 , and the return spring 17 is sleeved on the connecting rod 15 .
  • the upper portion is elastically supported between the protruding portion 151 and the limiting portion 161.
  • the reset device (mainly composed of a return spring) is usually installed in the slide rail and directly contacts the slider, and the weight of the reset device is relatively large, in particular, an additional The space is used to install the reset device, so that the prior art electromagnetic nail gun structure is not compact and large in size.
  • the return spring 17 is disposed between the protruding portion 151 of the connecting rod 15 and the limiting portion 161 of the spring sleeve 16, so that not only the reset function but also the reset function can be realized. No additional space is required to mount the return spring 17, thereby making the structure of the electromagnetic nail gun of the present invention more compact.
  • the lever driving device may include an electromagnet and a driving core 11 capable of reciprocating, the electromagnet capable of driving the driving core 11, the connecting rod 15 Connected to the drive core 11.
  • the electromagnet can have various suitable structures.
  • the electromagnet may include an E-shaped iron core and an electromagnetic coil wound on the E-shaped iron core, and the driving iron core 11 may be movably disposed by additionally providing a guide rail and fixing the electromagnet to the guide rail On the guide rail, reciprocal movement of the drive core 11 can thereby be achieved.
  • the electromagnet includes an electromagnetic coil 13, a bobbin 14, and a magnetic conductive sleeve 12, the electromagnetic coil 13 is wound on the bobbin 14, and the bobbin 14 is embedded in the magnetic conductive
  • the inner peripheral wall of the sleeve 12 is coaxial with the magnetic conductive sleeve 12, the magnetic conductive sleeve 12 is fixed to the housing 20, and the driving iron core 11 is movably disposed at one end of the magnetic conductive sleeve 12.
  • the slider device includes a slide 18 and a slider 19 that is disposed in the slide 18.
  • the slide rail 18 extends in a horizontal direction
  • the handle portion 21 extends substantially perpendicular to the slide rail 18 in a vertical direction to facilitate alignment of the user and improve the accuracy of the nailing position.
  • the slider device may further include a roller 24 and a roller shaft 25, the roller shaft 25 being mounted on the slider 19, the axis of the roller shaft 25 being perpendicular to the plane of rotation of the lever 10 and sliding
  • the outer peripheral surface of the roller 24 is used to push the slider 19 to move.
  • the slider 19 is in the process of nailing by arranging the roller shaft 25 to be perpendicular to the plane of rotation of the lever 10 and intersecting the central axis of the slider 19.
  • the force point is always at the center of the slider 19 so that a rotational moment that causes the slider 19 to have a tendency to rotate is not generated, thereby avoiding the occurrence of the slider 19 being stuck in the slide 18, reducing the slider 19 and the slide.
  • the friction between the 18s further improves the nailing effect.
  • the bottom of the slide 18 may have a through slot 181 extending along the length of the slide 18 for the first end 1011 of the lever 10 to operate therein.
  • the slider 19 can have various suitable structures.
  • the slider 19 may include a hollow portion 191 that allows movement of the lever 10, the roller shaft 25 extending through the hollow portion 191, the roller 24 being located within the hollow portion 191, the first end portion 1011 extending through The through groove 181 enters the hollow portion 191.
  • the lever 10 can have various suitable structures.
  • the lever 10 includes a first rod portion 101 and a second rod portion 102 that are connected to each other to form a " ⁇ " shape, the length of the first rod portion 101 being greater than the second rod portion.
  • the length of 102, the first end 1011 of the lever 10 is formed on the first rod portion 101, the second end portion 1021 of the lever 10 is formed on the second rod portion 102, and the fulcrum P of the lever 10 is located at the first At the intersection of the rod portion 101 and the second rod portion 102, the slider 19 is provided with the first end portion 1011, and the link rod 15 is hinged to the second end portion 1021.
  • the electromagnetic nail gun includes a muzzle nail clip assembly 23 that is located on a front side of the housing 20 and that is substantially parallel to the handle portion 21.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Abstract

一种电磁钉枪，包括壳体（20），以及安装在该壳体（20）中的滑块装置、用于驱动该滑块装置中的滑块（19）运动的杠杆机构、以及用于驱动该杠杆机构运动的杠杆驱动装置，所述壳体（20）的一部分形成为手柄部（21），所述滑块装置位于所述手柄部（21）的上方，所述杠杆驱动装置位于所述手柄部（21）的下方。通过将杠杆驱动装置设置在手柄的下方，使得电磁钉枪的重心下移至手柄下方，从而在打钉时便于操作者更稳定地握持电磁钉枪，不易产生疲劳感。

Description

电磁钉枪 技术领域
本发明涉及钉枪领域，具体地，涉及一种电磁钉枪。
背景技术
电磁钉枪是一种新式钉枪，相比于以往的气动钉枪，电磁钉枪具有携带方便、能量利用率高等优势，因此被广泛应用于建筑、装修、家具制造等领域。
在现有技术的电磁钉枪中，铁芯和电磁铁通常位于手柄的上方，并且铁芯通常沿垂直于手柄延伸方向的方向运动，由于铁芯和电磁铁的重量相对较大，导致电磁钉枪的重心处于手柄上方，重心位置较高。这样，打钉时产生的冲击力会导致使用者难以抓握手柄，容易让使用者产生疲劳感。
发明内容
本发明的目的是提供一种在打钉时易于抓握的电磁钉枪。
为了实现上述目的，本发明提供一种电磁钉枪，该电磁钉枪包括壳体，以及安装在该壳体中的滑块装置、用于驱动该滑块装置中的滑块运动的杠杆机构、以及用于驱动该杠杆机构运动的杠杆驱动装置，所述壳体的一部分形成为手柄部，其特征在于，所述滑块装置位于所述手柄部的上方，所述杠杆驱动装置位于所述手柄部的下方。
优选地，所述杠杆机构包括相互连接的杠杆和连杆，所述杠杆连接到所述滑块装置，所述连杆连接到所述杠杆驱动装置。
优选地，所述连杆延伸贯穿所述手柄部。
优选地，所述电磁钉枪还包括固定于所述壳体的连杆套，该连杆套位于 所述手柄部中，所述连杆延伸穿过所述连杆套，所述连杆上形成有突起部，所述连杆套的内壁上形成有限位部，所述电磁钉枪包括复位弹簧，该复位弹簧套设在所述连杆上且弹性支撑在所述突起部和所述限位部之间。
优选地，所述杠杆驱动装置包括电磁铁和驱动铁芯，所述电磁铁能够驱动所述驱动铁芯，所述连杆连接于所述驱动铁芯。
优选地，所述电磁铁包括电磁线圈、线圈骨架、以及导磁套，所述电磁线圈缠绕在所述线圈骨架上，所述线圈骨架嵌入在导磁套的内周壁上并与所述导磁套同轴，所述导磁套固定于所述壳体，所述驱动铁芯可移动地设置在所述导磁套的一端。
优选地，所述滑块装置包括滑道，该滑道沿水平方向延伸，所述手柄部大致垂直于所述滑道而沿竖直方向延伸。
优选地，所述滑块装置还包括滚轮和滚轮轴，所述滚轮轴安装在所述滑块上，所述滚轮轴的轴线垂直于所述杠杆的转动平面且与所述滑块的中心轴线相交，所述滚轮枢转安装在所述滚轮轴上，所述杠杆的第一端部延伸进入所述滑道，并且在打钉过程中抵顶在所述滚轮的外周面上，以推动所述滑块移动。
优选地，所述滑道的底部开设有通槽，该通槽沿所述滑道的长度方向延伸。
优选地，所述电磁钉枪包括枪口钉夹组件，该枪口钉夹组件位于所述壳体的前侧，且大致平行于所述手柄部。
本发明通过将重量较大的杠杆驱动装置设置在手柄的下方，使得电磁钉枪的重心下移至手柄或手柄下方的位置，从而在打钉时便于操作者更稳定地握持电磁钉枪，不易产生疲劳感。
本发明的其他特征和优点将在随后的具体实施方式部分予以详细说明。
附图说明
附图是用来提供对本发明的进一步理解，并且构成说明书的一部分，与下面的具体实施方式一起用于解释本发明，但并不构成对本发明的限制。在附图中：
图1是根据本发明的一种实施方式的电磁钉枪的结构示意图；
图2是图1的电磁钉枪的滑块结构的示意图。
附图标记说明
10  杠杆          101  第一杆部       1011 第一端部
102 第二杆部      1021 第二端部       11   驱动铁芯
12  导磁套        13   电磁线圈       14   线圈骨架
15  连杆          151  突起部         16   连杆套
17  弹簧          18   滑道           181  通槽
19  滑块          191  中空部         20   壳体
21  手柄          22   撞针           23   枪口钉夹组件
24  滚轮          25   滚轮轴         161  限位部
具体实施方式
以下结合附图对本发明的具体实施方式进行详细说明。应当理解的是，此处所描述的具体实施方式仅用于说明和解释本发明，并不用于限制本发明。
在本发明中，在未作相反说明的情况下，使用的方位词如“上、下”通常是指参考附图所示的上、下；“内、外”是指相对于各部件本身轮廓的内外；“高度方向”是指电磁钉枪在正常使用状态下的上下方向，“前侧”是指在电磁钉枪的正常使用状态下背离使用者的一侧。
本发明提供的电磁钉枪包括壳体20，以及安装在该壳体20中的滑块装置、用于驱动该滑块装置中的滑块19运动的杠杆机构、以及用于驱动该杠 杆机构运动的杠杆驱动装置，所述壳体20的一部分形成为手柄部21，所述滑块装置位于所述手柄部21的上方，所述杠杆驱动装置位于所述手柄部21的下方。
本发明通过将重量较大的杠杆驱动装置设置在手柄21的下方，使得电磁钉枪的重心下移至手柄或手柄下方的位置，从而在打钉时便于操作者更稳定地握持电磁钉枪，不易产生疲劳感。
具体地，如图1所示，所述杠杆机构可以包括相互连接的杠杆10和连杆15，所述杠杆10连接到所述滑块装置，所述连杆15连接到所述杠杆驱动装置。此处需要说明的是，连杆15可以位于手柄部21的外部，也可以位于手柄部21的内部。为了使本发明的电磁钉枪结构更紧凑，优选地，所述连杆15延伸贯穿所述手柄部21，即连杆15设置在手柄部21中。
优选地，所述电磁钉枪还包括固定于所述壳体20的连杆套16，该连杆套16位于所述手柄部21中，所述连杆15延伸穿过所述连杆套16，所述连杆15上形成有突起部151，所述连杆套16的内壁上形成有限位部161，所述电磁钉枪包括复位弹簧7，该复位弹簧17套设在所述连杆15上且弹性支撑在所述突起部151和所述限位部161之间。
需要说明的是，在现有技术的电磁钉枪中，复位装置(主要由复位弹簧构成)通常安装在滑道中，并与滑块直接接触，复位装置的重量比较大，尤其是还需要额外的空间来安装复位装置，使得现有技术的电磁钉枪结构不够紧凑，体积较大。在本发明中，通过充分挖掘本发明的电磁钉枪的结构特点，将复位弹簧17设置在连杆15的突起部151和弹簧套16的限位部161之间，不仅能够实现复位功能，而且不需要额外的空间来安装复位弹簧17，从而使得本发明的电磁钉枪的结构更紧凑。
具体地，所述杠杆驱动装置可以包括电磁铁和驱动铁芯11，所述驱动铁芯11能够往复运动，所述电磁铁能够驱动所述驱动铁芯11，所述连杆15 连接于所述驱动铁芯11。
电磁铁可以具有各种适当的结构。例如，电磁铁可以包括E型铁芯和缠绕在该E型铁芯上的电磁线圈，可以通过另外地设置导轨，并且将电磁铁固定在所述导轨上，将驱动铁芯11可移动地设置在所述导轨上，从而能够实现驱动铁芯11的往复移动。作为一种优选的实施方式，所述电磁铁包括电磁线圈13、线圈骨架14、以及导磁套12，所述电磁线圈13缠绕在所述线圈骨架14上，所述线圈骨架14嵌入在导磁套12的内周壁上并与所述导磁套12同轴，所述导磁套12固定于所述壳体20，所述驱动铁芯11可移动地设置在所述导磁套12的一端。
具体地，所述滑块装置包括滑道18和滑块19，滑块19设置在滑道18中。优选地，滑道18沿水平方向延伸，所述手柄部21大致垂直于所述滑道18而沿竖直方向延伸，以方便使用者对准，提高打钉位置的精确度。
所述滑块装置还可以包括滚轮24和滚轮轴25，所述滚轮轴25安装在所述滑块19上，所述滚轮轴25的轴线垂直于所述杠杆10的转动平面且与所述滑块19的中心轴线相交，所述滚轮24枢转安装在所述滚轮轴25上，所述杠杆10的第一端部1011延伸进入所述滑道18，并且在打钉过程中抵顶在所述滚轮24的外周面上，以推动所述滑块19移动。
对上述技术方案需要理解的是，通过将滚轮轴25的设置为轴线垂直于所述杠杆10的转动平面且与所述滑块19的中心轴向相交，使得在打钉过程中滑块19的受力点始终位于滑块19的中心，从而不会产生使滑块19具有转动趋势的旋转力矩，从而避免出现滑块19卡滞在滑道18中的情况，减小了滑块19和滑道18之间的摩擦力，进一步改善打钉效果。
所述滑道18的底部可以开设沿所述滑道18的长度方向延伸的通槽181，以供杠杆10的第一端部1011在其中运行。
滑块19可以具有各种适当的结构。作为一种优选实施方式，所述滑块 19可以包括允许所述杠杆10运动的中空部191，所述滚轮轴25延伸穿过所述中空部191，所述滚轮24位于所述中空部191内，所述第一端部1011延伸穿过所述通槽181以进入所述中空部191内。
杠杆10可以具有各种适当的结构。作为一种优选的实施方式，所述杠杆10包括相互连接以形成“√”形的第一杆部101和第二杆部102，所述第一杆部101的长度大于所述第二杆部102的长度，杠杆10的第一端部1011形成在第一杆部101上，杠杆10的第二端部1021形成在第二杆部102上，所述杠杆10的支点P位于所述第一杆部101与所述第二杆部102的交点处，所述滑块19设置所述第一端部1011，所述连杆15铰接于所述第二端部1021。
优选地，所述电磁钉枪包括枪口钉夹组件23，该枪口钉夹组件23位于所述壳体20的前侧，且大致平行于所述手柄部21。
以上结合附图详细描述了本发明的优选实施方式，但是，本发明并不限于上述实施方式中的具体细节，在本发明的技术构思范围内，可以对本发明的技术方案进行多种简单变型，这些简单变型均属于本发明的保护范围。
另外需要说明的是，在上述具体实施方式中所描述的各个具体技术特征，在不矛盾的情况下，可以通过任何合适的方式进行组合。为了避免不必要的重复，本发明对各种可能的组合方式不再另行说明。
此外，本发明的各种不同的实施方式之间也可以进行任意组合，只要其不违背本发明的思想，其同样应当视为本发明所公开的内容。

Claims (10)

  1. 一种电磁钉枪，包括壳体(20)，以及安装在该壳体(20)中的滑块装置、用于驱动该滑块装置中的滑块(19)运动的杠杆机构、以及用于驱动该杠杆机构运动的杠杆驱动装置，所述壳体(20)的一部分形成为手柄部(21)，其特征在于，所述滑块装置位于所述手柄部(21)的上方，所述杠杆驱动装置位于所述手柄部(21)的下方。
  2. 根据权利要求1所述的电磁钉枪，其特征在于，所述杠杆机构包括相互连接的杠杆(10)和连杆(15)，所述杠杆(10)连接到所述滑块装置，所述连杆(15)连接到所述杠杆驱动装置。
  3. 根据权利要求2所述的电磁钉枪，其特征在于，所述连杆(15)延伸贯穿所述手柄部(21)。
  4. 根据权利要求3所述的电磁钉枪，其特征在于，所述电磁钉枪还包括固定于所述壳体(20)的连杆套(16)，该连杆套(16)位于所述手柄部(21)中，所述连杆(15)延伸穿过所述连杆套(16)，所述连杆(15)上形成有突起部(151)，所述连杆套(16)的内壁上形成有限位部(161)，所述电磁钉枪包括复位弹簧(7)，该复位弹簧(17)套设在所述连杆(15)上且弹性支撑在所述突起部(151)和所述限位部(161)之间。
  5. 根据权利要求2所述的电磁钉枪，其特征在于，所述杠杆驱动装置包括电磁铁和驱动铁芯(11)，所述电磁铁能够驱动所述驱动铁芯(11)，所述连杆(15)连接于所述驱动铁芯(11)。
  6. 根据权利要求5所述的电磁钉枪，其特征在于，所述电磁铁包括电磁线圈(13)、线圈骨架(14)、以及导磁套(12)，所述电磁线圈(13)缠绕在所述线圈骨架(14)上，所述线圈骨架(14)嵌入在导磁套(12)的内周壁上并与所述导磁套(12)同轴，所述导磁套(12)固定于所述壳体(20)，所述驱动铁芯(11)可移动地设置在所述导磁套(12)的一端。
  7. 根据权利要求2所述的电磁钉枪，其特征在于，所述滑块装置包括滑道(18)，该滑道(18)沿水平方向延伸，所述手柄部(21)大致垂直于所述滑道(18)而沿竖直方向延伸。
  8. 根据权利要求7所述的电磁钉枪，其特征在于，所述滑块装置还包括滚轮(24)和滚轮轴(25)，所述滚轮轴(25)安装在所述滑块(19)上，所述滚轮轴(25)的轴线垂直于所述杠杆(10)的转动平面且与所述滑块(19)的中心轴线相交，所述滚轮(24)枢转安装在所述滚轮轴(25)上，所述杠杆(10)的第一端部(1011)延伸进入所述滑道(18)，并且在打钉过程中抵顶在所述滚轮(24)的外周面上，以推动所述滑块(19)移动。
  9. 根据权利要求7所述的电磁钉枪，其特征在于，所述滑道(18)的底部开设有通槽(181)，该通槽(181)沿所述滑道(18)的长度方向延伸。
  10. 根据权利要求1所述的电磁钉枪，其特征在于，所述电磁钉枪包括枪口钉夹组件(23)，该枪口钉夹组件(23)位于所述壳体(20)的前侧，且大致平行于所述手柄部(21)。
PCT/CN2015/077845 2014-05-05 2015-04-29 电磁钉枪 WO2015169170A1 (zh)

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