Towing device for vehicle, method of manufacturing towing hook for vehicle, and method of manufacturing connection member for vehicle

A technology for traction devices and connecting components, which is applied in the direction of vehicle components, traction connectors, connecting components, etc., can solve problems such as unusable, easy to loose, and different installation positions, so as to eliminate the increase in size and weight, prevent looseness, and ensure safety Effects on Sex and Reliability

Inactive Publication Date: 2009-09-30
FALTEC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] However, the existing threaded parts have different installation positions because the thread forming has nothing to do with the installation position, and because the strength of the triangular cross-section of the thread part is low and the thread pitch is large and easy to relax, so when hooking a large load and Cannot be used in automobile towing hooks that need to ensure safety

Method used

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  • Towing device for vehicle, method of manufacturing towing hook for vehicle, and method of manufacturing connection member for vehicle
  • Towing device for vehicle, method of manufacturing towing hook for vehicle, and method of manufacturing connection member for vehicle
  • Towing device for vehicle, method of manufacturing towing hook for vehicle, and method of manufacturing connection member for vehicle

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Embodiment Construction

[0130] Hereinafter, when the illustrated embodiment of the present invention applied to a tow hook for automobiles is described, Figure 1 to Figure 15 The reference number 1 in is a towing hook manufactured by forging, which can be installed on the vehicle body frame described later around the shock absorber of the automobile (illustration omitted), and is provided with: a round bar-shaped shaft portion 2; One end portion of the shaft portion 2 can be hooked with an annular hook portion 3 such as a wire cable W as a traction member; A right-handed external thread portion 4 of the connection member; and a flange portion 5 protruding from the boundary between the shaft portion 2 and the external thread portion 4 .

[0131] In the figure, 6 is the side cutting part formed on both sides of the external thread part 4, which is formed along the direction perpendicular to the plane of the hook part 3, so this part 6 follows the draft angle when the external thread part 4 is not proc...

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PUM

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Abstract

Provided are a towing device for a vehicle, a method of manufacturing a towing hook for a vehicle, and a method of manufacturing a connection member for a vehicle. The towing device is suitable for a towing device for an automobile, allows a hook part of the towing hook to be attached to a connection member on the automobile side in a specified direction, prevents lateral swing and looseness of the towing hook caused by vibration and external force during towing operation, provides reliability and safety of towing operation, enables smooth attachment of the towing hook to the connection member, allows the towing hook and the connection member to be increased in the strength and to be reduced in the size and weight, and can be easy processed and manufactured at low cost. The towing device for a vehicle includes the connection member having a female screw part and attachable to the vehicle side, and also includes the towing hook (1) having at one end a male screw part engageable with the female screw part and at the other end a hook part (3) to which a towing member (W) can be attached. The position of the hook part (3) after the male screw part is fastened to the connection member can be set to a predetermined allowable angular position (Theta).

Description

technical field [0001] The present invention relates to a towing device for a vehicle, a method for manufacturing a tow hook for a vehicle, and a method for manufacturing a connecting part for a vehicle, wherein the towing device is suitable for, for example, a towing device for an automobile, and the hook portion of the tow hook is attached to the side of the vehicle along a certain direction The connecting parts prevent the towing hook from rolling and loosening due to the vibration and external force during towing, ensuring the reliability and safety of towing. At the same time, the towing hook is smoothly installed on the connecting parts, which can increase the strength of the towing hook and connecting parts , reduce its size and weight, be easy to process, and can be manufactured at low cost. Background technique [0002] Existing towing hooks for automobiles are installed on the vehicle body when transporting or towing the automobile by ships or the like. One end of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60D1/04B21J5/02B21K1/12B21K1/14
CPCB60D1/00B21K1/46B60D1/565B21J5/02B60D1/04B21K1/12
Inventor 鹰野武次
Owner FALTEC CO LTD
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