WO2002020222A1 - Electrical wrench - Google Patents

Electrical wrench Download PDF

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Publication number
WO2002020222A1
WO2002020222A1 PCT/CN2001/001341 CN0101341W WO0220222A1 WO 2002020222 A1 WO2002020222 A1 WO 2002020222A1 CN 0101341 W CN0101341 W CN 0101341W WO 0220222 A1 WO0220222 A1 WO 0220222A1
Authority
WO
WIPO (PCT)
Prior art keywords
flywheel body
shaft
impact block
motor
block
Prior art date
Application number
PCT/CN2001/001341
Other languages
French (fr)
Chinese (zh)
Inventor
Xinhe Ding
Original Assignee
Shanghai Dongqian Electrical Applicance Co., Ltd.
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
Application filed by Shanghai Dongqian Electrical Applicance Co., Ltd. filed Critical Shanghai Dongqian Electrical Applicance Co., Ltd.
Publication of WO2002020222A1 publication Critical patent/WO2002020222A1/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
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B25B21/02—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
    • 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
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B25B21/02—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
    • B25B21/026—Impact clutches

Definitions

  • the invention belongs to a full-automatic electric gun, which is suitable for disassembly and assembly of bolts, nuts, and the like in the manufacturing and repair industry, and is particularly capable of being operated with a vehicle.
  • Air guns are used for the disassembly and assembly of bolts and nuts in the existing manufacturing and repair industry. It mainly consists of three-phase industrial power, large air compressors, air ducts, and gas turbines. It not only consumes large power, has a complicated structure, but also has noise. It is too large to operate in the wild. Object of the invention
  • the object of the present invention is to provide a fully automatic electric gun with a simple structure and using an electric motor as the power without using an air compressor. Summary of invention
  • the main components of the full-automatic electric gun are composed of a casing, a power supply terminal block, a motor, a switch, a flywheel body, a gear shifting block, an impact block, and a trigger shaft.
  • One end of the motor shaft of the motor is embedded in the gear shifting block in the flywheel body on one side and is positioned and connected; a rolling trigger shaft is installed in the axial hole of the flywheel body, and the flywheel body is supported by the trigger shaft seat axis; the flywheel body has a U Shaped groove, the arc-shaped part with the locking angle of the trigger shaft is placed in the U-shaped groove; the U-shaped groove is built into an arc-shaped part with the locking angle on the trigger shaft, which has a structurally matched and corresponding impact.
  • the impact block rotates around the impact block shafts whose ends are inserted in the holes on the two sides of the U-shaped grooves, and the gear shift block drives the gear block to rotate around the motor shaft.
  • the motor shaft drives the gear shift block to rotate the impact block and
  • the flywheel body rotates synchronously.
  • the object of the present invention can also be achieved by the following technical solutions.
  • the air conditioner with an ultraviolet lamp is characterized in that the switch adopts a positive and negative switch.
  • the present invention uses an electric motor instead of a gas turbine for power, and does not use an air compressor, it has the characteristics compared with the existing air guns: high torque, no three-phase electricity, 12-220 volts can be used, and 12-24 can also be used Volt battery, current 8-50A, torque 30-150 kg / m, working speed 1000-5000 rpm, impact times 20-150 times / min; power 100-1000W; and simple structure, low noise, durable and portable Convenience.
  • BRIEF DESCRIPTION OF THE DRAWINGS BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a schematic structural diagram of the present invention.
  • FIG. 2 is an overall schematic diagram of the present invention.
  • FIG. 3 is a schematic structural diagram of the trigger shaft of FIG. 1.
  • FIG. 4 is a left side view of FIG. 3.
  • FIG. 5 is a right side view of FIG. 3.
  • FIG. 6 is a schematic structural diagram of the flywheel body of FIG. 1 ′.
  • FIG. 7 is a top view of FIG. 6.
  • Fig. 8 is a sectional view taken along A-A in Fig. 6.
  • FIG. 9 is a schematic structural diagram of the impact block of FIG. 1.
  • FIG. 10 is a left side view of FIG. 9.
  • FIG. 11 is a structural diagram of a gear shifting block.
  • Fig. 12 is a sectional view taken along the line B-B in Fig. 11.
  • FIG. 13 is a schematic partial cross-sectional view of the present invention. Summary of the Invention
  • the main components are composed of the chassis 14, the power connection base 1, the switch 2, the flywheel body 4, and the gear.
  • Fully automatic electric gun composed of dial block 5, impact block 6 and trigger shaft 7, the structure is characterized by a motor 8 inside the casing, handles 10 and 11 are also provided on the casing, and the motor shaft 12-end of the motor 8 is embedded Gear puller on the side of the flywheel body 5
  • the shaft hole of the flywheel body 4 is equipped with a trigger shaft 7 capable of rolling in a circle around the axial direction of the motor shaft in the shaft hole, and the flywheel body is supported by the trigger shaft as an axis so that the trigger shaft is in the hole.
  • the flywheel body is provided with a U-shaped groove 3, and the arc-shaped portion of the pulling shaft 7 with a locking angle is placed in the U-shaped groove 3;
  • the arc-shaped part of the force axis with the arc angle matches the structure and the corresponding position of the impact block 6.
  • the impact block 6 rotates around the impact block shaft 9 inserted in the two sides of the U-shaped groove at both ends of the impact block 6 and is driven by the gear.
  • the dial block drives a circular rotation around the motor shaft; the motor shaft 8 drives the gear dial block 5 to rotate, thereby driving the impact block 6 and the flywheel body 4 to rotate synchronously.
  • the front part 13 of the trigger shaft 7 is made into a square shape for connecting with bolts and nuts to disassemble the bolts and nuts.
  • the impact block built into the U-shaped groove 3 is shaped to have an arc on the upper part and pointed ends on both ends.
  • the concave body enables the tip of one end of the rotating impact block to be caught in the angle of the trigger shaft to drive the trigger shaft to rotate together, as shown in FIGS. 9 and 10; the impact block rotates around the axis of the impact block, and the impact
  • the two ends of the block shaft 9 are respectively inserted into the holes on both sides of the U-shaped groove, and the above-mentioned guanguan generally adopts a forward and reverse switch, that is, it can be rotated forward and reversely.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

An electrical wrench includes a motor, a flywheel body with a U-shape hollow space, a transmission member coupled with the spindle of the motor fixedly and disposed inside the flywheel body, a striking member which is mounted within the U-shape hollow space and is inserted into the axial hole of the flywheel body. The striking member may engage with the wrench shaft and pivot about a fixed pin which both ends are inserted into holes in both side walls of the U-shape hollow space. The striking member and the flywheel body can rotate synchronously when the motor drives the transmission member.

Description

全自动申炮 技术领域  Technical Field
本发明属于一种全自动电炮， 适用于制造修配行业中螺栓、 螺母等的拆 装， 尤其能随车作业。 背景 ¾术  The invention belongs to a full-automatic electric gun, which is suitable for disassembly and assembly of bolts, nuts, and the like in the manufacturing and repair industry, and is particularly capable of being operated with a vehicle. Background
现有的制造修配行业中螺栓、 螺母等的拆装采用风炮， 它主要由三相工 业电、 大型空压机、 风管、 气轮机组成， 它不仅耗电大， 结构复杂， 还有噪 音大， 不能在野外流动作业。 发明目的  Air guns are used for the disassembly and assembly of bolts and nuts in the existing manufacturing and repair industry. It mainly consists of three-phase industrial power, large air compressors, air ducts, and gas turbines. It not only consumes large power, has a complicated structure, but also has noise. It is too large to operate in the wild. Object of the invention
本发明的目的是提供一种结构简单、 采用电动机作动力而不用空压机的 全自动电炮。 发明概要  The object of the present invention is to provide a fully automatic electric gun with a simple structure and using an electric motor as the power without using an air compressor. Summary of invention
本发明的目的是这样实现的， 所述的全自动电炮， 主要构件由机壳、 电 源接线座、 电动机、 开关、 飞轮体、 齿轮拨块、 冲击块和扳力轴组成， 其结 构特点为电动机的电机轴一端嵌入一侧的飞轮体内的齿轮拨块中且定位连 接； 飞轮体的轴线孔中安装有能滚动的扳力轴， 飞轮体由扳力轴座轴线支承; 飞轮体开有 U型槽， 扳力轴的带卡角的弧形部分置于 U型槽内； U型槽内 置入一个于扳力轴的带卡角的弧形部分结构相匹配且位置又相对应的冲击 块， 冲击块绕其两端插在 U型槽相应的两侧孔中的冲击块轴转动并由齿轮 拨块带动围绕电机轴作圆周转动； 电机轴带动齿轮拨块转动， 从而带动冲击 块及飞轮体同步转动。  The purpose of the present invention is achieved in such a way that the main components of the full-automatic electric gun are composed of a casing, a power supply terminal block, a motor, a switch, a flywheel body, a gear shifting block, an impact block, and a trigger shaft. One end of the motor shaft of the motor is embedded in the gear shifting block in the flywheel body on one side and is positioned and connected; a rolling trigger shaft is installed in the axial hole of the flywheel body, and the flywheel body is supported by the trigger shaft seat axis; the flywheel body has a U Shaped groove, the arc-shaped part with the locking angle of the trigger shaft is placed in the U-shaped groove; the U-shaped groove is built into an arc-shaped part with the locking angle on the trigger shaft, which has a structurally matched and corresponding impact. The impact block rotates around the impact block shafts whose ends are inserted in the holes on the two sides of the U-shaped grooves, and the gear shift block drives the gear block to rotate around the motor shaft. The motor shaft drives the gear shift block to rotate the impact block and The flywheel body rotates synchronously.
本发明的目的还可通过以下技术方案实现， 所述的带紫外灯的空调器， 其特点为开关采用正反开关。 本发明由于采用电动机替代气轮机作动力， 而且不用空压机， 它与现有 的风炮相比具有特点为： 扭矩大， 不用三相电， 可用 12— 220伏电压， 也可 用 12— 24伏的蓄电池， 电流 8— 50A， 扭矩 30— 150公斤 /米， 工作转速 1000 一 5000转 /分， 冲击次数 20— 150次 /分； 功率 100— 1000W; 而且结构简单、 噪音低、 耐用以及携带方便。 附图说明 ' The object of the present invention can also be achieved by the following technical solutions. The air conditioner with an ultraviolet lamp is characterized in that the switch adopts a positive and negative switch. Because the present invention uses an electric motor instead of a gas turbine for power, and does not use an air compressor, it has the characteristics compared with the existing air guns: high torque, no three-phase electricity, 12-220 volts can be used, and 12-24 can also be used Volt battery, current 8-50A, torque 30-150 kg / m, working speed 1000-5000 rpm, impact times 20-150 times / min; power 100-1000W; and simple structure, low noise, durable and portable Convenience. BRIEF DESCRIPTION OF THE DRAWINGS
下面结合附图和实施例对本发明进行详细描述：  The present invention is described in detail below with reference to the drawings and embodiments:
图 1为本发明的结构示意图。  FIG. 1 is a schematic structural diagram of the present invention.
图 2为本发明的整体示意图。  FIG. 2 is an overall schematic diagram of the present invention.
图 3为图 1的扳力轴的结构示意图。  FIG. 3 is a schematic structural diagram of the trigger shaft of FIG. 1.
图 4为图 3的左视图。  FIG. 4 is a left side view of FIG. 3.
图 5为图 3的右视图。  FIG. 5 is a right side view of FIG. 3.
图 6为图 1 '的飞轮体的结构示意图。  FIG. 6 is a schematic structural diagram of the flywheel body of FIG. 1 ′.
图 7为图 6的俯视图。  FIG. 7 is a top view of FIG. 6.
图 8为图 6的 A-A剖视图。  Fig. 8 is a sectional view taken along A-A in Fig. 6.
图 9为图 1的冲击块结构示意图。  FIG. 9 is a schematic structural diagram of the impact block of FIG. 1.
图 10为图 9的左视图。  FIG. 10 is a left side view of FIG. 9.
图 11为齿轮拨块的结构示意图。  FIG. 11 is a structural diagram of a gear shifting block.
图 12为图 11的 B-B剖视图。  Fig. 12 is a sectional view taken along the line B-B in Fig. 11.
图 13为本发明的局部剖示示意图。 发明内容  FIG. 13 is a schematic partial cross-sectional view of the present invention. Summary of the Invention
如图 1、 2、 3、 4、 5、 6、 7、 8、 9、 10、 11和 12及 13所示， 主要构件 由机壳 14、 电源接线座 1、 开关 2、 飞轮体 4、 齿轮拨块 5、 冲击块 6和扳 力轴 7组成的全自动电炮，结构特点在于机壳内设有电动机 8， 机壳上还设有 把柄 10、 11， 电动机 8的电机轴 12—端嵌入一侧的飞轮体内的齿轮拔块 5 中且定位连接； 飞轮体 4的轴线孔中安装有能在轴线孔中围绕电机轴的轴向 作圆周滚动的扳力轴 7， 飞轮体由扳力轴作轴线支承， 使得扳力轴在孔中能 围绕电机轴的轴向作圆周滚动； 飞轮体开有 U型槽 3， 扳力轴 7的带卡角的 弧形部分置于 U型槽 3内； U型槽 3内置入一个与扳力轴的带卡角的弧形部 分结构相匹配且位置又相对应的冲击块 6， 冲击块 6绕其两端插在 U型槽相 应的两侧孔中的冲击块轴 9转动并由齿轮拨块带动围绕电机轴作圆周转动； 电机轴 8带动齿轮拨块 5转动， 从而带动冲击块 6及飞轮体 4同步转动。 扳 力轴 7的前部 13制成方型用于与螺栓、 螺母相接以拆装螺栓、 螺母； U型 槽 3内置的冲击块其形状制成上面是弧形下部是两端带尖头的凹形体， 使得 转动的冲击块其一端尖头能刚好卡在扳力轴的卡角中而带动扳力轴一起转， 如图 9和图 10所示； 冲击块绕冲击块轴转动， 冲击块轴 9两端分别插在 U 型槽的两侧的孔中， 而上述的幵关一般采用正反开关， 即能正转和反装。 本 装置使用时， 接通电源， 打开正反开关， 则电机工作， 电机轴转动， 带动飞 轮体中的齿轮拨块和冲击块同步转动， 当转速达到某值时， 由于冲击块的前 端的尖头刚好卡入扳力轴的卡角中， 因而冲击块带动扳力轴一起转动， 而使 扳力轴拆装零件， 冲击一次冲击块受扳力轴反作用下反弹使扳力轴回位， 这 样重复多次就能实现拆装零件的目的。 As shown in Figures 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 and 12 and 13, the main components are composed of the chassis 14, the power connection base 1, the switch 2, the flywheel body 4, and the gear. Fully automatic electric gun composed of dial block 5, impact block 6 and trigger shaft 7, the structure is characterized by a motor 8 inside the casing, handles 10 and 11 are also provided on the casing, and the motor shaft 12-end of the motor 8 is embedded Gear puller on the side of the flywheel body 5 The shaft hole of the flywheel body 4 is equipped with a trigger shaft 7 capable of rolling in a circle around the axial direction of the motor shaft in the shaft hole, and the flywheel body is supported by the trigger shaft as an axis so that the trigger shaft is in the hole. It can roll around the axis of the motor shaft in a circular manner; the flywheel body is provided with a U-shaped groove 3, and the arc-shaped portion of the pulling shaft 7 with a locking angle is placed in the U-shaped groove 3; The arc-shaped part of the force axis with the arc angle matches the structure and the corresponding position of the impact block 6. The impact block 6 rotates around the impact block shaft 9 inserted in the two sides of the U-shaped groove at both ends of the impact block 6 and is driven by the gear. The dial block drives a circular rotation around the motor shaft; the motor shaft 8 drives the gear dial block 5 to rotate, thereby driving the impact block 6 and the flywheel body 4 to rotate synchronously. The front part 13 of the trigger shaft 7 is made into a square shape for connecting with bolts and nuts to disassemble the bolts and nuts. The impact block built into the U-shaped groove 3 is shaped to have an arc on the upper part and pointed ends on both ends. The concave body enables the tip of one end of the rotating impact block to be caught in the angle of the trigger shaft to drive the trigger shaft to rotate together, as shown in FIGS. 9 and 10; the impact block rotates around the axis of the impact block, and the impact The two ends of the block shaft 9 are respectively inserted into the holes on both sides of the U-shaped groove, and the above-mentioned guanguan generally adopts a forward and reverse switch, that is, it can be rotated forward and reversely. When this device is used, when the power is turned on and the forward and reverse switches are turned on, the motor works, the motor shaft rotates, and the gear dial and the impact block in the flywheel body rotate synchronously. When the speed reaches a certain value, the tip of the front end of the impact block The head just fits into the locking angle of the trigger shaft, so the impact block drives the trigger shaft to rotate together, so that the trigger shaft disassembles and disassembles the parts, and the impact block rebounds under the reaction of the trigger shaft to return the trigger shaft. Repeatedly to achieve the purpose of disassembly parts.

Claims

权利要求 Rights request
1. 一种全自动电炮， .主要构件由机壳、 电源接线座 （1 )、 电动机 （8)、 开关 （2)、 飞轮体 （4)、 齿轮拨块 （5)、 冲击块（6) 和扳力轴 （7) 组成， 其特征在于电动机的电机轴一端嵌入一侧的飞轮体 （4) 内的齿轮拨块中且 定位连接； 飞轮体（4)的轴线孔中安装有能滚动的扳力轴（7)， 飞轮体（4) 由扳力轴作轴线支承； 飞轮体（4) 幵有 U型槽（3 )， 扳力轴的带卡角的弧 形部分置于 U型槽内； U型槽内置入一个与扳力轴的带卡角的弧形部分结构 相匹配且位置又相对应的冲击块（6)， 冲击块绕其两端插在 U型槽 （3)相 应的两侧孔中的冲击块轴 （9)转动并由齿轮拨块带动围绕电机轴作圆周转 动； 电机轴带动齿轮拨块转动， 从而带动冲击块及飞轮体同步转动。 1. A fully automatic electric gun. The main components are the casing, the power connection base (1), the motor (8), the switch (2), the flywheel body (4), the gear dial (5), and the impact block (6). ) And a trigger shaft (7), which is characterized in that one end of the motor shaft of the motor is embedded in a gear shifting block in a flywheel body (4) on one side and is positioned and connected; an axial hole of the flywheel body (4) is installed to be able to roll The pull shaft (7) and the flywheel body (4) are supported by the pull shaft as an axis; the flywheel body (4) has a U-shaped groove (3), and the arc-shaped part of the pull shaft with an angle is placed in a U-shape Inside the slot; The U-shaped slot is built into an impact block (6) that matches the position of the arc-shaped part of the trigger shaft with a locking angle and corresponds to the position. The impact block is inserted into the U-shaped slot (3) around its two ends. ) The corresponding impact block shafts (9) in the holes on both sides are rotated and driven by the gear shifter to make a circular rotation around the motor shaft; the motor shaft drives the gear shifter to rotate, thereby driving the impact block and the flywheel body to rotate synchronously.
2. 根据权利要求 1 所述的全自动电炮， 其特征在于， 开关采用正反开 关。  2. The full-automatic electric gun according to claim 1, wherein the switch is a positive and negative switch.
PCT/CN2001/001341 2000-09-08 2001-09-03 Electrical wrench WO2002020222A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN00112520.6 2000-09-08
CN 00112520 CN1282650A (en) 2000-09-08 2000-09-08 Full-automatic electric gun

Publications (1)

Publication Number Publication Date
WO2002020222A1 true WO2002020222A1 (en) 2002-03-14

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Application Number Title Priority Date Filing Date
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WO (1) WO2002020222A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5035161A (en) * 1990-08-08 1991-07-30 Huang Dora H Wrench
EP0485661A1 (en) * 1990-11-16 1992-05-20 Dora Hsiao-Ling Huang A wrench
US5435398A (en) * 1994-09-01 1995-07-25 Chiu-Yu Wang Cheng Electrical wrench
CN2276865Y (en) * 1996-01-09 1998-03-25 北方房地产开发公司 Inertial impact electric spanner
CN1052932C (en) * 1996-06-06 2000-05-31 丁心河 Simple fully automatic electric wrench

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5035161A (en) * 1990-08-08 1991-07-30 Huang Dora H Wrench
EP0485661A1 (en) * 1990-11-16 1992-05-20 Dora Hsiao-Ling Huang A wrench
US5435398A (en) * 1994-09-01 1995-07-25 Chiu-Yu Wang Cheng Electrical wrench
CN2276865Y (en) * 1996-01-09 1998-03-25 北方房地产开发公司 Inertial impact electric spanner
CN1052932C (en) * 1996-06-06 2000-05-31 丁心河 Simple fully automatic electric wrench

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CN1282650A (en) 2001-02-07

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