A screwdriver with slotting function and using method thereof

A screwdriver and functional technology, which is applied in the field of screwdrivers with slotting function, can solve the problems of fixed retaining sleeve, unstable slotting process, and inability of the knife bar to slot stably, so as to achieve the effect of avoiding rotation and stabilizing the process of unscrewing the screw

CN109822518BActive Publication Date: 2020-09-04台州宝盾科技有限公司
6 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2020-09-04

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention provides a screwdriver with a slotting function and a using method thereof, and belongs to the field of screwdrivers. The screwdriver solves the problem of low efficiency of slotting operation of an existing screwdriver. The screwdriver with the slotting function comprises a screwdriver shank and a screwdriver rod; the front end and the rear end of the screwdriver rod are provided with a main screwdriver head and a sub screwdriver head, a rod hole is arranged in the screwdriver shank, the screwdriver rod penetrates into the rod hole, and the front end hole wall of the rod hole isprovided with an inner adjusting groove; an inner adjusting sleeve located in the inner adjusting groove is included, the outer wall of the inner adjusting sleeve is provided with an adjusting surface and a screwing surface, and the outer wall of the front end of the screwdriver shank is provided with an outer adjusting groove; an outer adjusting sleeve with the back end arranged on the outer adjusting groove in a sleeving manner is further included, a sliding groove is arranged in the groove wall of the outer adjusting groove, the inner wall of the outer adjusting sleeve is provided with a slider, and the inner wall of the front end of the outer adjusting sleeve is provided with an internal thread; and a rotating shaft with the two ends fixed to the sleeve wall of the inner adjusting sleeve is further included, and the middle portion of the rotating shaft is arranged on the screwdriver rod in a penetrating manner; and a stopping sleeve with the back end fixedly provided with a baffleis further included, and notch grooves are formed in the sleeve walls on the two sides of the front end of the stopping sleeve. According to the screwdriver, after a screw groove is abraded, a screwcan be unscrewed efficiently, stably and conveniently.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention belongs to the technical field of screwdrivers, and relates to a screwdriver with a slotting function and a using method thereof. Background technique

[0002] When the traditional screwdriver removes the screw, it is necessary to apply additional force to prevent the screwdriver bit from slipping off the thread groove. If the force is not enough, it will cause slippage. The existing application number is 201710332608.8, and the name is "an improved multi-functional screwdriver and Its method of use” Chinese invention patent, although it can use the auxiliary cutter head to make additional grooves on the thread groove to assist in unscrewing the screw when the screw cannot be opened after the thread slips. However, when it is used in practice, the following problems still exist:

[0003] 1. Since the auxiliary cutter head needs to move back and forth along the inline direction to make the groove when it grooves on the thread groove, so t...

Examples

Embodiment Construction

[0046] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0047] Such as Figure 1-5 As shown, a screwdriver with slotting function of the present invention comprises a knife handle 1 and a knife bar 2, and the front end and the rear end of the knife bar 2 respectively have a main cutter head 21 and an auxiliary cutter head 22 in a straight shape, and the auxiliary cutter head 22 The end has a sharp blade, and the handle 1 is coaxially provided with a rod hole 11, and the cutter rod 2 is penetrated in the rod hole 11, and the wall of the rod hole 11 is spaced from the wall of the cutter rod 2, and the front end hole of the rod hole 11 The wall is deepened to be provided with a regular polygonal groove-shaped inner adjustment groove 12, and also includes an inner adjustment sleeve...