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Knocking type extraction tool

A puller and thread head technology, which is applied in the field of percussion pullers, can solve the problems of easy shock to the hand, unable to apply force, and not suitable for complex external environments, and achieves a simple and reasonable structure with increased applicable occasions. Effect

Inactive Publication Date: 2011-10-05
ZHEJIANG IND POLYTECHNIC COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems that the puller currently in use cannot use force, is easy to injure hands, and is not suitable for complex external environments, the present invention provides a device that conforms to human body mechanics and can produce the best force without shock. Hand, a large increase in the number of percussion pullers applicable to occasions

Method used

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  • Knocking type extraction tool
  • Knocking type extraction tool
  • Knocking type extraction tool

Examples

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Embodiment Construction

[0022] refer to figure 2 , image 3 , percussion type puller, including a threaded head 1, the threaded head 1 is a stepped circular shaft structure, one end of which is an external thread structure for connecting the shaft pin, and a connecting rod 2 is hinged on the other end, the connecting rod 2 The other end of the rod 2 is hinged with a booster rod 3, and the middle of the connecting rod 2 is hinged with a support rod 4, and the threaded head 1, the support rod 4, and the booster rod 3 are parallel to each other.

[0023] The connecting rod 2 is a cylindrical rod, which is connected with the threaded head 1, the support rod 4 and the booster rod 3 through the living hinge 5 respectively.

[0024] The principle of the present invention is basically the same as the lever principle. The support rod 4 on the connecting rod 2 can be regarded as a fulcrum, and the connecting rod 2 can be regarded as a lever. The other end of 2 will produce an upward active force, and this u...

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Abstract

The invention relates to a knocking type extraction tool, comprising a screw thread head, wherein the screw thread head is of a ladder circular-shaft structure, one end of the screw thread head is used for connecting an external screw thread structure of a shaft pin, a connecting rod is hinged on the other end of the screw thread head, the other end of the connecting rod is hinged with a boosting rod, the middle of the connecting rod is hinged with a supporting rod, and the screw thread head, the supporting rod and the boosting rod are parallel to each other. The invention has the advantages that: because a knocking force is from top to bottom and accords with human mechanics to generate an optimal acting force, the more convenient and labor-saving effects during use are brought for a user; because the force does not act on the screw thread head directly and a bigger vibration force is not generated at a hand-holding place, the hand of the user is not injured; and the knocking type extraction tool has a simple and reasonable structure and is beneficial to great broadening of use occasions.

Description

technical field [0001] The invention relates to a percussion type puller. Background technique [0002] In the process of mechanical manufacturing, a tapered shaft pin 1' is often used for positioning at the joint of two parts, and a puller 2' is used for disassembly (see illustration figure 1 ) to pull out the shaft pin 1′ and separate the parts. During the disassembly process, it will be restricted by the external environment, and the puller 2' can only be used in occasions where the outside is not restricted. Figure 4 When using the external environment, the puller 2' cannot be used; and, when using the puller 2', it depends on the movement of the hammer head 3' from bottom to top to hit the convex end surface of the handle 4' , and the force generated to make the shaft pin 1' pull up, and the human body mechanics is only the best when the force is exerted from the top to the bottom. When using the puller 2', the force will be affected. Restriction; Simultaneously, wh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B27/02
Inventor 冯刚江平高龙士吴雄喜周才跟
Owner ZHEJIANG IND POLYTECHNIC COLLEGE
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