WO1997040964A1 - Switch type speedy pipe wrench - Google Patents

Switch type speedy pipe wrench Download PDF

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Publication number
WO1997040964A1
WO1997040964A1 PCT/CN1997/000022 CN9700022W WO9740964A1 WO 1997040964 A1 WO1997040964 A1 WO 1997040964A1 CN 9700022 W CN9700022 W CN 9700022W WO 9740964 A1 WO9740964 A1 WO 9740964A1
Authority
WO
WIPO (PCT)
Prior art keywords
switch
pliers
movable
jaw
sleeve
Prior art date
Application number
PCT/CN1997/000022
Other languages
French (fr)
Chinese (zh)
Inventor
Youyi Zhao
Original Assignee
Youyi Zhao
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 claimed from CN 96104789 external-priority patent/CN1163816A/en
Priority claimed from CN 97100266 external-priority patent/CN1160621A/en
Application filed by Youyi Zhao filed Critical Youyi Zhao
Priority to AU20206/97A priority Critical patent/AU2020697A/en
Publication of WO1997040964A1 publication Critical patent/WO1997040964A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/48—Spanners; Wrenches for special purposes
    • B25B13/50—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes
    • B25B13/5008—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects
    • B25B13/5016—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects by externally gripping the pipe
    • B25B13/5025—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects by externally gripping the pipe using a pipe wrench type tool
    • B25B13/5041—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects by externally gripping the pipe using a pipe wrench type tool with movable or adjustable jaws
    • B25B13/5058—Linearly moving or adjustable, e.g. with an additional small tilting or rocking movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/10—Spanners; Wrenches with adjustable jaws
    • B25B13/12—Spanners; Wrenches with adjustable jaws the jaws being slidable
    • B25B13/16—Spanners; Wrenches with adjustable jaws the jaws being slidable by screw or nut

Definitions

  • the present invention relates to a pipe loading and unloading tool, in particular to a quick pipe clamp using a switch for rapid clamping operation.
  • Pipe tongs have a long history.
  • the jaws are used to adjust the jaws. They have slow movements and are not easy to clamp pipe fittings. Over the past decades, there have been many reform programs at home and abroad. It is difficult to achieve the desired effect in the design.
  • the purpose of the present invention is to provide a switch type quick pipe wrench with simple structure, easy manufacture, ruggedness and automation.
  • the purpose of the present invention is achieved as follows:
  • the switch type quick pipe clamp of the present invention maintains the shape of the existing pipe clamp, is provided with a self-sliding ⁇ -shaped opening angle jaw, a built-in automatic clamping resetting device, and a switch lock wheel Control device and jaw limit gear.
  • the built-in automatic clamping and resetting device includes: a movable pliers body slot, a return spring, a pliers sleeve with a reset channel, and a shield plate, and a front hole of the shield plate has a through hole.
  • the shield plate is fixed on one side of the movable pliers body, the rear end of the shield plate is open, and the return spring penetrates the gap between the shield plate and the groove of the movable pliers body through the opening, and the return spring is bolted.
  • the front end of the bracket is fixed on the through hole of the shield plate, a thick side wall is formed on one side of the pliers sleeve, and a reset channel is opened in the middle, so that the rack portion of the movable pliers body equipped with the shield plate can easily pass through the pliers sleeve and flow freely. Fix the rear end of the return spring to the rear frame of the forceps.
  • the switch lock wheel control device includes: a lock wheel, a switch button with a central hole, a beam and a lock spring.
  • the lock wheel is cylindrical, the outer surface is light body, and the inner surface has Symmetrical discontinuous internal thread and symmetric, non-threaded, movable jaw channel that can pass freely through the rack of the movable jaw body.
  • a penetrating screw hole is provided on the lock wheel to fasten the switch button with a central hole
  • a lock spring is wound on the beam on the screw hole, and the beam is fixed on the beam with a bolt through the screw hole. On the pliers sleeve, the movable end of the lock spring penetrates the center hole of the switch button.
  • a limit stop is installed at the tail end of the installed movable pliers body to restrict the movable pliers body from coming out of the clamp sleeve.
  • one side of the pliers sleeve may be a plane, arcuate or solitary thickened side wall with a reset channel.
  • the size of the arc opening angle of the jaw can be freely selected.
  • the present invention is designed with a curved opening angle jaw, a built-in automatic clamping reset device, and a switch lock wheel control device, so that the lock wheel rotates-opens the jaw-clamps the workpiece-locks the jaw-closes the jaw
  • the series adjustment process has become just a push of a button switch, and it is all completed within 1 second. It has achieved automation, programming, and rapidity, and has made breakthrough developments in technology.
  • Figure 1 is a schematic diagram of the appearance of a switch type quick pipe clamp proposed by the present invention.
  • Figure 2 is a schematic diagram of the built-in automatic clamping and resetting device.
  • Figure 3 is a schematic diagram of the switch lock wheel control device.
  • the overall appearance of the pipe wrench of the present invention maintains the shape of the existing pipe wrench, and is provided with a self-sliding curved opening angle jaw, a built-in automatic clamping reset device, and a switch pin wheel Control device and jaw limit gear. And, there is an arc opening angle ⁇ at the jaw, ⁇ can be freely selected.
  • the built-in automatic clamping and resetting device includes: a movable pliers body slot 7, a return spring 8, a pliers sleeve 3 with a reset channel 11, and a shield plate 5.
  • a reset channel 11 is provided in the middle, so that the rack of the movable pliers body 2 equipped with the shield plate 5 can easily pass through the pliers sleeve 3 and be free and smooth.
  • the rear end of the reset spring 8 is fixed to the rear frame of the pliers sleeve 3.
  • the switch lock wheel control device includes: a lock wheel 4, an opening with a central hole The button 6, the beam 17 and the lock spring 18.
  • the pin wheel 4 has a cylindrical shape, the outer surface is light body, and the inner surface has a symmetrical discontinuous internal thread 13 and a symmetrical, unthreaded, size that can pass freely through the movable clamp
  • the pinion channel 4 of the rack 2 of the body 2 is provided with a screw hole 15 penetrating through the pin wheel 4, the switch button 6 having a central hole is fastened to the screw hole 15, and a pin spring 18 is wound on the beam 17 so that The bolt fixes the cross beam 17 to the mounting hole 22 (see Fig. Lc) of the pliers sleeve 3 through the screw hole 20, so that the movable end 19 of the lock spring 18 penetrates the central hole 16 of the switch button 6.
  • Figure 3b is a section of the switch button 6 Figure, the shape of the switch button 6 is a bolt.
  • a limit stop 21 is installed at the tail end of the installed movable clamp body 2 to restrict the movable clamp body 2 from coming out of the clamp sleeve 3.
  • one side of the forceps sleeve 3 may be a flat, arcuate or curved thickened inverted wall 10 having a reset channel 11.

Abstract

A switch-type speedy pipe wrench having the configuration of the conventional pipe wrench, and is provided with an arch-shaped self-sliding opening Jaw, a contained in type of automatically holding and returning means, a locking wheel control and a Jaw limit stop so that the whole operation procedure, including turning the locking, wheel-opening, the Jaw-holding, the workpiece-locking, the Jaw-closing the Jaw, can be completed within one second only by lightly pushing the switch button.

Description

开关型快速管子钳  Switch type quick pipe wrench
技术领域 Technical field
本发明涉及一种管道装卸工具， 特别涉及一种使用开关迅速夹持操作 的快速管子钳.  The present invention relates to a pipe loading and unloading tool, in particular to a quick pipe clamp using a switch for rapid clamping operation.
背景技术 Background technique
管子钳有着悠久的历史， 使用钳母调节钳口； 动作慢又不容易夹住管 件， 数十年来国内外有许多改革方案， 如我国的 85203825自调式管子扳 手， 94225040.0快速管扳钳等， 这些设计难以取得预期的效果.  Pipe tongs have a long history. The jaws are used to adjust the jaws. They have slow movements and are not easy to clamp pipe fittings. Over the past decades, there have been many reform programs at home and abroad. It is difficult to achieve the desired effect in the design.
本发明的目的， 就是要提供一种构造简单、 制造容易、 坚固耐用、 自 动化的开关型快速管钳.  The purpose of the present invention is to provide a switch type quick pipe wrench with simple structure, easy manufacture, ruggedness and automation.
发明内容 Summary of the Invention
本发明的目的是这样实现的： 本发明的开关型快速管子钳保持了现有 管钳的外形， 设置了自滑式 ϋ形张角钳口， 内藏式自动夹持复位装置， 开 关锁轮控制装置及钳口限位档.  The purpose of the present invention is achieved as follows: The switch type quick pipe clamp of the present invention maintains the shape of the existing pipe clamp, is provided with a self-sliding ϋ-shaped opening angle jaw, a built-in automatic clamping resetting device, and a switch lock wheel Control device and jaw limit gear.
在本发明的开关型快速管子钳中， 该内藏式自动夹持复位装置包括： 动钳体槽、 复位弹簧、 带有复位通道的钳套及护罩板， 护罩板的前端有一 通孔， 将护罩板固定在动钳体的一个側面， 护罩板的后端是开口的， 复位 弹簧从该开口处穿入护罩板和动钳体槽间的空隙内， 使用螺栓将复位弹簧 的前端固定在护罩板的通孔上， 钳套一側形成加厚側壁， 中间开设复位通 道， 使装有护罩板的动钳体的齿条部分很容易穿过钳套， 自由畅通， 将复 位弹簧的后端固定在钳套的后框上.  In the switch type quick pipe pliers of the present invention, the built-in automatic clamping and resetting device includes: a movable pliers body slot, a return spring, a pliers sleeve with a reset channel, and a shield plate, and a front hole of the shield plate has a through hole. The shield plate is fixed on one side of the movable pliers body, the rear end of the shield plate is open, and the return spring penetrates the gap between the shield plate and the groove of the movable pliers body through the opening, and the return spring is bolted. The front end of the bracket is fixed on the through hole of the shield plate, a thick side wall is formed on one side of the pliers sleeve, and a reset channel is opened in the middle, so that the rack portion of the movable pliers body equipped with the shield plate can easily pass through the pliers sleeve and flow freely. Fix the rear end of the return spring to the rear frame of the forceps.
在本发明的开关型快速管子钳中， 该开关锁轮控制装置包括： 锁轮、 具有中心孔的开关钮、 横梁及锁簧， 锁轮呈圓筒状， 外表面为光身， 内表 面具有对称的不连续的内螺纹和对称的、 没有螺紋的、 大小能够自由通过 动钳体的齿条的动钳体通道， 锁轮上设置穿透的螺孔， 将具有中心孔的开 关钮紧固在螺孔上， 横梁上缠绕有锁簧， 使用螺栓通过螺孔将横梁固定在 钳套上， 使得锁簧活动端穿入开关钮的中心孔. In the switch type quick pipe wrench of the present invention, the switch lock wheel control device includes: a lock wheel, a switch button with a central hole, a beam and a lock spring. The lock wheel is cylindrical, the outer surface is light body, and the inner surface has Symmetrical discontinuous internal thread and symmetric, non-threaded, movable jaw channel that can pass freely through the rack of the movable jaw body. A penetrating screw hole is provided on the lock wheel to fasten the switch button with a central hole A lock spring is wound on the beam on the screw hole, and the beam is fixed on the beam with a bolt through the screw hole. On the pliers sleeve, the movable end of the lock spring penetrates the center hole of the switch button.
在本发明的开关型快速管子钳中， 在安装好的动钳体尾端加装限位 档， 限制动钳体从钳套中脱出.  In the switch-type quick pipe pliers of the present invention, a limit stop is installed at the tail end of the installed movable pliers body to restrict the movable pliers body from coming out of the clamp sleeve.
在本发明的开关型快速管子钳中， 所述钳套的一側可以是具有复位通 道的平面的、 弓形的或孤形的加厚側壁.  In the switch type quick pipe pliers of the present invention, one side of the pliers sleeve may be a plane, arcuate or solitary thickened side wall with a reset channel.
在本发明的开关型快速管子钳中， 该所述钳口的弧形张角的大小可自 由选定.  In the switch type quick pipe clamp of the present invention, the size of the arc opening angle of the jaw can be freely selected.
本发明由于设计了弧形张角钳口， 内藏式自动夹持复位装置、 开关锁 轮控制装置， 从而使锁轮转动 -打开钳口 -夹住工件 -锁定钳口-闭合钳 口这一系列调节过程变为仅仅是轻推一下按钮开关， 在 1秒种内全部完 成， 实现了自动化、 程序化、 快速化， 技术上有了突破性发展.  The present invention is designed with a curved opening angle jaw, a built-in automatic clamping reset device, and a switch lock wheel control device, so that the lock wheel rotates-opens the jaw-clamps the workpiece-locks the jaw-closes the jaw The series adjustment process has become just a push of a button switch, and it is all completed within 1 second. It has achieved automation, programming, and rapidity, and has made breakthrough developments in technology.
附图概述 Overview of the drawings
图 1为本发明提出的一种开关型快速管子钳外观示意图.  Figure 1 is a schematic diagram of the appearance of a switch type quick pipe clamp proposed by the present invention.
图 2为内藏式自动夹持复位装置示意图 .  Figure 2 is a schematic diagram of the built-in automatic clamping and resetting device.
图 3为开关锁轮控制装置示意图.  Figure 3 is a schematic diagram of the switch lock wheel control device.
本发明的最佳实施方式 Best Mode of the Invention
如图 la、 b、 c所示，本发明的管子钳整体外观保持了现有管子钳的 外形， 设置了自滑式弧形张角钳口， 内藏式自动夹持复位装置， 开关销轮 控制装置及钳口限位档. 并且， 在钳口处有一弧形张角 θ , Θ大小可以自由 选定.  As shown in Figures la, b, and c, the overall appearance of the pipe wrench of the present invention maintains the shape of the existing pipe wrench, and is provided with a self-sliding curved opening angle jaw, a built-in automatic clamping reset device, and a switch pin wheel Control device and jaw limit gear. And, there is an arc opening angle θ at the jaw, Θ can be freely selected.
如图 2所示， 所述内藏式自动夹持复位装置包括： 动钳体槽 7、 复位 弹簧 8、 带有复位通道 11的钳套 3及护罩板 5， 护罩板 5的前端有一通孔 As shown in FIG. 2, the built-in automatic clamping and resetting device includes: a movable pliers body slot 7, a return spring 8, a pliers sleeve 3 with a reset channel 11, and a shield plate 5. Through hole
9 , 将护罩板 5固定在动钳体 2的一个側面， 护罩板 5的后端是开口的， 复 位弹簧 8从该开口处穿入护罩板 5和动钳体槽 7间的空隙内， 使用螺栓将 复位弹簧 8的前端固定在护罩板 5的通孔 9上， 钳套 3—側形成加厚側壁9. Fix the shield plate 5 on one side of the movable pliers body 2, the rear end of the shield plate 5 is open, and the return spring 8 penetrates the gap between the shield plate 5 and the groove 7 of the movable pliers body from the opening. Inside, the front end of the return spring 8 is fixed to the through hole 9 of the shield plate 5 with a bolt, and a thicker side wall is formed on the side of the clamp sleeve 3
10 , 中间开设复位通道 11，使装有护罩板 5的动钳体 2的齿条很容易穿过 钳套 3， 自由畅通，将复位弹簧 8的后端固定在钳套 3的后框的螺孔 12上. 如图 3a所示， 所述开关锁轮控制装置包括： 锁轮 4、 具有中心孔的开 关钮 6、 横梁 17及锁簧 18 . 销轮 4呈圃筒状， 外表面为光身， 内表面具 有对称的不连续的内螺纹 13和对称的、 没有螺纹的、 大小能够自由通过动 钳体 2的齿条的动钳体通道 14， 销轮 4上设置穿透的螺孔 15 , 将具有中 心孔的开关钮 6紧固在螺孔 15上， 横梁 17上缠绕有销簧 18， 使螺栓通过 螺孔 20将横梁 17固定在钳套 3的安装孔 22 (见图 lc )上， 使得锁簧 18 活动端 19穿入开关钮 6的中心孔 16 . 其中图 3b为开关鈕 6的剖面图， 该 开关钮 6的外形为螺栓. 10. A reset channel 11 is provided in the middle, so that the rack of the movable pliers body 2 equipped with the shield plate 5 can easily pass through the pliers sleeve 3 and be free and smooth. The rear end of the reset spring 8 is fixed to the rear frame of the pliers sleeve 3. The screw hole 12. As shown in FIG. 3a, the switch lock wheel control device includes: a lock wheel 4, an opening with a central hole The button 6, the beam 17 and the lock spring 18. The pin wheel 4 has a cylindrical shape, the outer surface is light body, and the inner surface has a symmetrical discontinuous internal thread 13 and a symmetrical, unthreaded, size that can pass freely through the movable clamp The pinion channel 4 of the rack 2 of the body 2 is provided with a screw hole 15 penetrating through the pin wheel 4, the switch button 6 having a central hole is fastened to the screw hole 15, and a pin spring 18 is wound on the beam 17 so that The bolt fixes the cross beam 17 to the mounting hole 22 (see Fig. Lc) of the pliers sleeve 3 through the screw hole 20, so that the movable end 19 of the lock spring 18 penetrates the central hole 16 of the switch button 6. Figure 3b is a section of the switch button 6 Figure, the shape of the switch button 6 is a bolt.
在本发明的上述实施例中， 在安装好的动钳体 2的尾端加装限位档 21 , 限制动钳体 2从钳套 3中脱出.  In the above embodiment of the present invention, a limit stop 21 is installed at the tail end of the installed movable clamp body 2 to restrict the movable clamp body 2 from coming out of the clamp sleeve 3.
在本发明的优选实施例中， 所述钳套 3的一側可以是具有复位通道 11 的平面的、 弓形的或弧形的加厚倒壁 10 .  In a preferred embodiment of the present invention, one side of the forceps sleeve 3 may be a flat, arcuate or curved thickened inverted wall 10 having a reset channel 11.
使用时， 只需向下轻拨开关钮 6 , 使动钳体通道 14转至上下方成 "开 态" ， 将弧形张角 Θ对准管件（未表示） 向下一压， 钳口自动叼住管件， 松开开关钮 6在销簧 18的弹力作用下，使内螺紋 13转至上下方成 "锁态"， 此时就可以转动管子钳工作了. 由于这种管子钳性能优越， 而结构简单， 有着长远开发前景和广阔的市场.  When in use, just flip the switch button 6 down to turn the channel 14 of the pliers to the "open state". Align the arc opening angle Θ with the pipe (not shown) and press it downward. Hold the pipe fittings, loosen the switch button 6 under the elastic force of the pin spring 18, and turn the internal thread 13 to the upper and lower sides into a "lock state". At this time, you can turn the pipe wrench to work. Because this kind of pipe wrench has excellent performance and structure Simple, with long-term development prospects and a broad market.

Claims

权 利 要 求 Rights request
1. 一种开关型快速管子钳， 具有现有管子钳的外形， 其特征在于： 该 管子钳设置了自滑式弧形张角 Θ的钳口、 内藏式自动夹持复位装置、 开关 锁轮控制装置和钳口限位档. 1. A switch-type quick pipe clamp having the shape of an existing pipe clamp, characterized in that: the pipe clamp is provided with a self-sliding arc opening angle Θ jaw, a built-in automatic clamping reset device, and a switch lock Wheel control and jaw limit gear.
2. 如权利要求 1所迷的开关型快速管子钳， 其特征在于： 所述内藏式 自动夹持复位装置包括： 动钳体槽（ 7 )、 复位弹簧（ 8 ) 、 具有复位通 道（ 11 )的钳套（ 3 )和护罩板（ 5 )， 所迷护罩板（ 5 ) 固定在动钳体 2. The switch-type quick pipe clamp as claimed in claim 1, characterized in that: said built-in automatic clamping and resetting device comprises: a movable clamp body groove (7), a reset spring (8), and a reset channel (11) ) The clamp cover (3) and the shield plate (5), and the shield plate (5) is fixed to the movable forceps body
( 2 ) 的一个側面上， 所述复位弹簧（ 8 )从护罩板（ 5 )后面的开口处 穿入护罩板 ( 5 )和动钳体（ 2 ) 间的空睐， 所述复位弹簧（ 8 )的前端 使用螺栓固定在护革板（ 5 ) 的前端通孔（ 9 )上， 所述钳套（ 3 ) —倒 形成加厚側壁（ 10 )， 中间开有复位通道（ 11 ) , 装有护罩板（ 5 ) 的 动钳体（ 2 )的齿条可以穿过钳套（ 3 )并自由畅通， 所述复位弹簧（ 8 ) 后端固定在钳套（ 3 )后框上. (2) on one side, the return spring (8) penetrates into the space between the cover plate (5) and the movable pliers body (2) from the opening behind the cover plate (5), and the return spring (8) The front end is bolted to the front through hole (9) of the leather plate (5), and the clamp sleeve (3) is formed into a thickened side wall (10), and a reset channel (11) is opened in the middle, The rack of the movable pliers body (2) equipped with the shield plate (5) can pass through the pliers sleeve (3) and be freely unblocked, and the rear end of the return spring (8) is fixed on the rear frame of the pliers sleeve (3).
3. 如权利要求 1所述的开关型快速管子钳， 其特征在于： 所述开关锁 轮控制装置包括： 锁轮（ 4 ) 、 具有中心孔的开关钮（ 6 )、 横梁（ 17 ) 和销簧（ 18 ) , 所述锁轮（ 4 )呈圓筒状， 外表面为光身， 内表面具有对 称的不连续的内螺纹（ 13 )和对称的、 没有螺纹的、 大小能自由通过动钳 体（ 2 )的齿条的动钳体通道（ 14 ) ,锁轮（ 4 )上开有穿透螺孔（ 15 )， 将具有中心孔（ 16 ) 的开关钮（ 6 ) 紧固在穿透螺孔（ 15 )上， 缠绕有 锁箦（ 18 )的横梁（ 17 )通过螺孔（ 20 )固定在钳套（ 3 )的安装孔（ 22 ) 上， 使销簧（ 18 ) 的活动端（ 19 ) 穿入开关钮（ 6 ) 的中心孔（ 16 ) · 3. The switch-type quick pipe clamp according to claim 1, characterized in that the switch lock wheel control device comprises: a lock wheel (4), a switch button (6) with a central hole, a cross beam (17) and a pin A spring (18), the lock wheel (4) is cylindrical, the outer surface is light body, and the inner surface has a symmetrical discontinuous internal thread (13) and a symmetrical, unthreaded, size that can pass freely through the movable pliers The movable pliers body channel (14) of the rack of the body (2), the locking wheel (4) is provided with a penetration screw hole (15), and the switch button (6) with the center hole (16) is fastened to the penetration On the screw hole (15), the cross beam (17) wound with the lock pin (18) is fixed to the mounting hole (22) of the pliers sleeve (3) through the screw hole (20), so that the movable end of the pin spring (18) ( 19) Insert the center hole (16) of the switch button (6) ·
4. 如权利要求 1所述的开关型快速管子钳， 其特征在于： 在钳套（ 3 ) 上安装好动钳体（ 2 )后， 其尾端加装钳口限位档（ 21 ) . 4. The switch-type quick pipe pliers according to claim 1, characterized in that: after the movable pliers body (2) is installed on the pliers sleeve (3), a jaw limit stop (21) is installed at its tail end.
5. 如权利要求 1所述的开关型快速管子钳， 其特征在于： 所述钳套  5. The switch-type quick pipe clamp according to claim 1, wherein: the clamp sleeve
( 3 )的一側可以是具有复位通道 (11)的平面的、 弓形的或弧形的加厚側壁 (10). (3) One side may be a planar, arched or curved thickened side wall with a reset channel (11) (10).
6. 如权利要求 1所述的开关型快速管子钳， 其特征在于： 所述钳口的 弧形张角 Θ大小可以自由选定.  6. The switch-type quick pipe clamp according to claim 1, characterized in that: the arc opening angle Θ of the jaw can be freely selected.
PCT/CN1997/000022 1996-04-30 1997-03-21 Switch type speedy pipe wrench WO1997040964A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU20206/97A AU2020697A (en) 1996-04-30 1997-03-21 Switch type speedy pipe wrench

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN96104789.5 1996-04-30
CN 96104789 CN1163816A (en) 1996-04-30 1996-04-30 Quick pipe spanner wrench controlled by button
CN 97100266 CN1160621A (en) 1997-01-17 1997-01-17 Switch-type fast pipe twist
CN97100266.5 1997-01-17

Publications (1)

Publication Number Publication Date
WO1997040964A1 true WO1997040964A1 (en) 1997-11-06

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ID=25743957

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN1997/000022 WO1997040964A1 (en) 1996-04-30 1997-03-21 Switch type speedy pipe wrench

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Country Link
AU (1) AU2020697A (en)
WO (1) WO1997040964A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI630074B (en) * 2014-08-27 2018-07-21 米沃奇電子工具公司 Pipe wrench
US10994405B2 (en) 2017-05-11 2021-05-04 Milwaukee Electric Tool Corporation Pipe wrench
US11207762B2 (en) 2018-03-30 2021-12-28 Milwaukee Electric Tool Corporation Pipe wrench
US11235443B2 (en) 2013-03-26 2022-02-01 Milwaukee Electric Tool Corporation Pipe wrench
US11890742B2 (en) 2020-08-04 2024-02-06 Milwaukee Electric Tool Corporation Extendable wrench

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3357286A (en) * 1966-08-04 1967-12-12 Jr Carroll E Pooler Pipe wrench having rack and slidable catch jaw adjustment means
US3389624A (en) * 1967-09-01 1968-06-25 Carroll Everrett Pooler Jr. Sliding jaw pipe wrench having automatically acting pin and hole adjustment means

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3357286A (en) * 1966-08-04 1967-12-12 Jr Carroll E Pooler Pipe wrench having rack and slidable catch jaw adjustment means
US3389624A (en) * 1967-09-01 1968-06-25 Carroll Everrett Pooler Jr. Sliding jaw pipe wrench having automatically acting pin and hole adjustment means

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11235443B2 (en) 2013-03-26 2022-02-01 Milwaukee Electric Tool Corporation Pipe wrench
TWI630074B (en) * 2014-08-27 2018-07-21 米沃奇電子工具公司 Pipe wrench
US10994405B2 (en) 2017-05-11 2021-05-04 Milwaukee Electric Tool Corporation Pipe wrench
US11453112B2 (en) 2017-05-11 2022-09-27 Milwaukee Electric Tool Corporation Pipe wrench
US11207762B2 (en) 2018-03-30 2021-12-28 Milwaukee Electric Tool Corporation Pipe wrench
US11731249B2 (en) 2018-03-30 2023-08-22 Milwaukee Electric Tool Corporation Pipe wrench
US11890742B2 (en) 2020-08-04 2024-02-06 Milwaukee Electric Tool Corporation Extendable wrench

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