Center channel screwdriver blade anti-lost and built-in type screwdriver

A screwdriver head and center channel technology, applied to screwdrivers, wrenches, wrenches, etc., can solve the problems of easy loss of screwdriver heads, troublesome operation, etc., and achieve the effect of not easy to lose, easy to replace, and simple to operate

Pending Publication Date: 2021-12-07
张 凤英
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to solve the problems in the prior art, and propose a built-in screwdriver with a center channel screwdriver head anti-lost, which solves the problem of replacing the screwdriver head when the screwdriver body and the screwdriver head are separated during the use of the existing screwdriver. Troublesome problem, and at the same time solve the problem that the traditional screwdriver body and the screwdriver head need to be separated for replacement, resulting in the easy loss of the screwdriver head

Method used

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  • Center channel screwdriver blade anti-lost and built-in type screwdriver
  • Center channel screwdriver blade anti-lost and built-in type screwdriver
  • Center channel screwdriver blade anti-lost and built-in type screwdriver

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Embodiment one, refer to Figure 1-Figure 5 and Figure 7-Figure 8 As shown, a central channel screwdriver head anti-lost built-in screwdriver of the present invention includes a rotating base 1, a rotating roller 2, a screwdriver head 6, a screwdriver head sleeve seat 42 and a rotation drive mechanism for driving the screwdriver head 6 to rotate;

[0039] The rotating base 1 includes a rotating cylinder shaft 101, an upper limit plate 102 and a lower limiting plate 103, the upper limiting plate 102 is fixed on the upper end of the rotating cylinder shaft 101, and the lower limiting plate 103 is fixed on the lower end of the rotating cylinder shaft 101 , the rotating roller 2 is located between the upper limiting plate 102 and the lower limiting plate 103, the rotating roller 2 is provided with a rotating shaft hole 26, the rotating cylinder shaft 101 passes through the rotating shaft hole 26, and the inside of the rotating cylinder shaft 101 The ejector rod channel ho...

Embodiment 2

[0049] Embodiment 2, this embodiment is based on the above-mentioned embodiment, such as Figure 5 As shown, in order to facilitate the hand to hold the screwdriver, a rotating sleeve 104 can be added to the rotating base 1, and the rotating sleeve 104 is fixed on the lower limit plate 103 or / and the upper limit plate 102, and the rotating sleeve 104 is set on the rotating roller 2, the rotating roller 2 is partially wrapped by the rotating sleeve 104, which is convenient for holding the rotating seat 1 during the use of the screwdriver. Of course, if there is no rotating sleeve 104, the screwdriver can directly rotate the lower limit plate 103 and the upper limit plate 102 or the ejector rod when using the screwdriver. 3. It is also possible to achieve the purpose of turning the screw. In order to better fix the rotating sleeve 104 and have a better strength when holding the screw by hand, the rotating sleeve 104 can be fixed on the lower limit plate 103 and the upper limit pl...

Embodiment 3

[0050] Embodiment 3, this embodiment is based on the above-mentioned embodiment, obtained by using the structure of the rotation driving mechanism in this embodiment instead of the rotation driving mechanism in the above-mentioned embodiment, the rotation driving mechanism is located between the screwdriver head 6 and the ejector rod 3, The rotation driving mechanism includes an end limiting groove and an end limiting protrusion, and the end limiting groove and the end limiting protrusion are respectively arranged on the mutual contact surfaces of the push rod 3 and the screwdriver head 6, and the end The limit protrusion is arranged in the end limit groove, and the lower end of the screwdriver head 6 in the screwdriver head sleeve seat 42 is pushed against the upper end of the push rod 3, and the contact surfaces of the screwdriver head 6 and the push rod 3 are respectively provided with end limit recesses. Groove and end limit protrusion, through the end limit groove and end ...

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PUM

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Abstract

The invention discloses a center channel screwdriver blade anti-lost and built-in type screwdriver. The screwdriver comprises a rotating seat, rotating rollers, screwdriver blades and a screwdriver blade sleeve seat. The screwdriver blade sleeve seat communicating with an ejector rod channel hole is arranged at the upper end of a rotating cylinder shaft. An ejector rod is arranged in the ejector rod channel hole. Screwdriver blade storage chambers are arranged on the rotating rollers, screwdriver blade inlets and outlets allowing the screwdriver blades to pass through are formed in the sides, facing the rotating cylinder shaft, of the screwdriver blade storage chambers, and the screwdriver blades are arranged in the screwdriver blade storage chambers. The rotating cylinder shaft is provided with a third channel hole enabling the screwdriver blade storage chambers to communicate with the ejector rod channel hole, and a closing plate used for blocking the third channel hole is arranged between the screwdriver blade storage chambers. According to the screwdriver, the work of replacing the screwdriver blades can be completed under the condition that a screwdriver body and the screwdriver are not separated, so that the screwdriver blades are convenient and efficient to replace, and meanwhile, the screwdriver blades are not prone to being lost; and by means of the multiple rotating rollers, more screwdriver blades can be stored inside.

Description

technical field [0001] The invention relates to the technical field of screwdrivers, in particular to the technical field of a central channel screwdriver head anti-lost built-in screwdriver. Background technique [0002] The screwdriver body and the screwdriver head of the traditional multi-head screwdriver are separated when replaced. After one screwdriver head is used up, when the other screwdriver head needs to be replaced, the original screwdriver head needs to be pulled out, and then a new screwdriver head needs to be replaced. The replaced screwdriver bits are stored in a special box for storing the screwdriver bits. It is cumbersome to take and put the screwdriver bits. Sometimes when the work is urgent, the replaced screwdriver bits are placed randomly and are easy to be lost. [0003] The invention patent with the patent number CN105082043A discloses an electric screwdriver for semi-automatic nail feeding. The screw is stored through the screw hole in the nail feed...

Claims

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Application Information

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IPC IPC(8): B25B15/02B25B23/00B25B23/16
CPCB25B15/02B25B23/0007B25B23/16
Inventor张凤英
Owner张 凤英