CN2527390Y - 一种电焊钳 - Google Patents

一种电焊钳 Download PDF

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Publication number
CN2527390Y
CN2527390Y CN 01277489 CN01277489U CN2527390Y CN 2527390 Y CN2527390 Y CN 2527390Y CN 01277489 CN01277489 CN 01277489 CN 01277489 U CN01277489 U CN 01277489U CN 2527390 Y CN2527390 Y CN 2527390Y
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handle bar
electrode holder
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CN 01277489
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English (en)
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潘银达
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Abstract

本实用新型涉及一种手工电弧焊工具,尤其涉及一种夹持式交直流手弧电焊钳。这种电焊钳它由电钳芯体、钳嘴护套、上把柄、内把柄、外把柄组成,钳嘴护套插套在上、下钳嘴外,电钳芯体插套在内把柄里,内把柄插套在外把柄内,其特征在于在置放电钳芯体的内把柄的那段的内壁增设一金属衬套。有了这层金属衬套后,从电钳芯传来的电弧热量能均匀扩散,不致造成局部过热,延长了电焊钳的使用寿命。

Description

一种电焊钳
                  技术领域
本实用新型涉及一种手工电弧焊工具,尤其涉及一种夹持式交直流手弧电焊钳。
                    背景技术
在现代工业中,手工电弧焊仍被广泛应用,因此电弧焊的工具也不断被革新和改进,如专利号为00217666.1的“一种把柄防热、防漏电电焊钳”,就很好地解决了电焊钳带电部分外裸,手柄过热等不安全缺陷。从而使它得到更广泛的应用。然而该专利经本发明人应用后尚存在一个缺陷。即电钳芯插入塑料把柄内的那部分,由于电焊引起的热直接传递在用塑料作的内把柄上,产生局部过热现象,使内套强度降低,导致局部损伤变形,降低了电焊钳的整体寿命。
                    发明内容
针对上述电焊钳的缺陷,本实用新型采用如下技术方案对内把柄部分进行了改进,即这种电焊钳它由电钳芯体、钳咀护套、上把柄、内把柄、外把柄组成,电钳芯体由上钳咀、下钳咀、碗形座、回位弹簧和顶丝组成,钳咀护套插套在上、下钳咀外,电钳芯体插套在内把柄里,内把柄插套在外把柄内,其特征在于在置放电钳芯体的内把柄的那段的内壁增设一金属衬套。
由于电钳芯的截面是非圆形,如果没有这层金属衬套,电钳芯上的热量会过分集中在与之接触的内把柄壁上,造成内把柄的局部损坏。依照该方案增加了一层金属衬套后,使得从电钳芯传来的电弧热量能均匀扩散,不至造成局部过热,同时由于金属传热速度快,散热也快,使得该段的温升得到有效控制。
                   附图说明
图1为本实用新型电焊钳的结构示意图;
图2为图1中C-C剖视图;
                具体实施方式
现结合图1、图2对本实用新型的一个实施例作一详细说明。该电焊钳由电钳芯体11、钳咀护套4、上把柄3、内把柄2、外把柄1组成,电钳芯体由上钳咀5、下钳咀6、碗形座9、回位弹簧7和顶丝8组成,钳咀护套4插套在上、下钳咀5、6外,电钳芯体11插套在内把柄2里,内把柄2插套在外把柄1内,在内把柄2外周沿轴向方向设有若干凹槽,横截面形同齿轮,以增加内把柄的散热面积,同时不致使外把柄温度过高。在置放电钳芯体11的内把柄2的那段的内壁设有一金属衬套10,衬套结构及部位如图1、图2中涂黑的部位所示。为了避免电焊时手被电焊渣灼伤,在内把柄上还设有一护手套12。

Claims (1)

1,一种电焊钳它由电钳芯体(11)、钳嘴护套(4)、上把柄(3)、内把柄(2)、外把柄(1)组成,电钳芯体(11)由上钳咀(5)、下钳咀(6)组成,钳咀护套(4)插套在上、下钳咀(5)、(6)外,电钳芯体(11)插套在内把柄(2)里,内把柄(2)插套在外把柄(1)内,其特征在于在置放电钳芯体(11)的内把柄(2)的那一段的内壁设有金属衬套(10)。
CN 01277489 2001-12-24 2001-12-24 一种电焊钳 Expired - Fee Related CN2527390Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 01277489 CN2527390Y (zh) 2001-12-24 2001-12-24 一种电焊钳

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Application Number Priority Date Filing Date Title
CN 01277489 CN2527390Y (zh) 2001-12-24 2001-12-24 一种电焊钳

Publications (1)

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CN2527390Y true CN2527390Y (zh) 2002-12-25

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CN 01277489 Expired - Fee Related CN2527390Y (zh) 2001-12-24 2001-12-24 一种电焊钳

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CN (1) CN2527390Y (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103962765A (zh) * 2014-05-20 2014-08-06 王少华 焊枪手柄紧固压套

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103962765A (zh) * 2014-05-20 2014-08-06 王少华 焊枪手柄紧固压套
CN103962765B (zh) * 2014-05-20 2016-08-17 王少华 具有紧固压套的焊枪手柄

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