KR20170057999A - driver bits - Google Patents
driver bits Download PDFInfo
- Publication number
- KR20170057999A KR20170057999A KR1020150161612A KR20150161612A KR20170057999A KR 20170057999 A KR20170057999 A KR 20170057999A KR 1020150161612 A KR1020150161612 A KR 1020150161612A KR 20150161612 A KR20150161612 A KR 20150161612A KR 20170057999 A KR20170057999 A KR 20170057999A
- Authority
- KR
- South Korea
- Prior art keywords
- slide cylinder
- bit
- bit body
- screw
- slide
- Prior art date
Links
Images
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
-
- 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
- B25B21/002—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose for special purposes
-
- 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
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/02—Arrangements for handling screws or nuts
-
- 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
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/02—Arrangements for handling screws or nuts
- B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
- B25B23/12—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using magnetic means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
Description
The present invention relates to a driver bit of a new structure which is capable of tightening or loosening a hexagonal screw bolt provided with a screw having a straight or cross-shaped groove and a hexagonal columnar protrusion.
2. Description of the Related Art [0002] In general, various types of screwdrivers, which are coupled to a chuck provided in an electric drill and used for tightening or unscrewing a screw, have been developed and widely used depending on the shape of a screw.
On the other hand, among the various kinds of screws, as shown in Figs. 1 and 2, a
3, a
That is, since the
This problem occurs in the same manner when the flat head screw and the hex screw bolt (3) are alternately loosened and tightened.
Therefore, there is a need for a new method to solve such a problem.
SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to provide a driver bit of a new structure which can screw or unscrew a hexagonal screw bolt having a screw having a straight or cross- It has its purpose.
According to an aspect of the present invention for achieving the above object, there is provided a driver bit which is coupled to a chuck (5) of an electric drill so as to be able to unscrew or tighten a screw, The
According to another aspect of the present invention, the
According to another aspect of the present invention, a
According to another aspect of the present invention, there is further provided a magnet member (25) provided in the coupling groove (21) of the slide cylinder (20) to provide magnetic force to the slide cylinder (20) And the
A
Therefore, there is no need to replace the screwdriver bit when the
1 is a perspective view showing a general square screw,
2 is a perspective view showing a typical hex screw screw,
3 is a side sectional view showing a conventional driver bit,
4 is a side view showing a driver bit according to the present invention,
Figure 5 is a side cross-sectional view of a driver bit according to the present invention,
6 is an enlarged view showing a main part of a driver bit according to the present invention,
FIG. 7 is a rear cross-sectional view taken along the line AA in FIG. 5,
8 and 9 are reference views for explaining the operation of the driver bit according to the present invention,
10 is a reference diagram showing a modified example of the driver bit according to the present invention.
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
FIGS. 4 to 9 illustrate a driver bit according to the present invention, which illustrates that the
According to this, it is the same as in the prior art that it is coupled to the
The drill bit according to the present invention includes a
The
The
7, the
A
The fixing means 30 includes a
At this time, the outer
To this end, an
The
The use of the driver bits thus constructed will be described as follows.
5, in a state in which the
At this time, when the
9, when the operator pushes the outer
The
The driver bit thus constructed has a
Therefore, there is no need to replace the screwdriver bit when the
Particularly, since the
In this embodiment, the
Although the
10, a
At this time, the
The driver bit thus configured is provided with a
The triangular protrusions are formed in the
When the cross-shaped
10.
30. Fixing means
Claims (4)
A bit body 10 which is formed in a rod shape extending in the forward and backward direction and which has a coupling portion 11 in the form of a straight line or a cross at the end thereof and is coupled to the chuck 5 of the electric drill,
And a slide cylinder 20 slidably coupled to the outside of the bit body 10 and having a coupling groove 21 corresponding to the protrusion 4 of the hex screw hole 3 formed at the front end thereof,
A through hole (22) corresponding to the bit body (10) is formed at the center of the slide cylinder (20) so as to pass through the front and rear ends,
The slide cylinder 20 can be retracted so that the engaging portion 11 is projected so that the flat screw or the Phillips screw 1 can be tightened or loosened,
Wherein the slide cylinder (20) is advanced to engage the protruding portion (4) of the hexagonal screw bit (3) in the engaging groove (21) to tighten or loosen the hexagonal screw bit (3).
The bit body 10 is formed in the shape of a polygonal rod,
The through hole (22) is formed of a polygon corresponding to the bit body (10)
Wherein the slide cylinder (20) is coupled to the bit body (10) such that the slide cylinder (20) is longitudinally slidable and not laterally rotatable.
On the peripheral surface of the bit body 10, concave grooves 12 are formed concavely,
Further comprising fixing means (30) provided on the slide cylinder (20) for fixing the slide cylinder (20) in an advanced state,
An insertion hole (24) is formed in a peripheral portion of the slide cylinder (20)
The fixing means (30)
, A fixed ball (31) inserted into the insertion hole (24) of the slide body (20) and selectively coupled to the concave groove (12)
The outer surface of the fixed ball 31 is pressed against the outer surface of the slide body 20 so as to be slidable in the longitudinal direction of the slide body 20 and the peripheral surface of the fixed ball 31 is inserted into the insertion hole An outer tubular body 32 formed with a cam portion 32a for pressing the tubular member 32 so as to protrude from the inner end of the tubular member 24,
And an elastic member (33) connected to the outer tubular body (32) and elastically pressing the outer tubular body (32)
The cam portion 32a is configured to press the fixing ball 31 to protrude inward of the insertion hole 24 when the outer tubular body 32 is advanced to the front end side,
And the elastic member (33) presses the outer tubular body (32) to advance to the front end side.
Further comprising a magnet member (25) provided inside the coupling groove (21) of the slide cylinder (20) to provide magnetic force to the slide cylinder (20) and the bit body (10)
The magnet member 25 is formed in the shape of a ring with a through hole 25a through which the bit body 10 passes. The through hole 25a is formed with a sleeve (not shown) (25b)
And the magnetic force of the magnet member (25) is transmitted to the bit body (10) through the sleeve (25b).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150161612A KR20170057999A (en) | 2015-11-18 | 2015-11-18 | driver bits |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150161612A KR20170057999A (en) | 2015-11-18 | 2015-11-18 | driver bits |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20170057999A true KR20170057999A (en) | 2017-05-26 |
Family
ID=59052159
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020150161612A KR20170057999A (en) | 2015-11-18 | 2015-11-18 | driver bits |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR20170057999A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102347437B1 (en) * | 2020-10-28 | 2022-01-04 | 고려대학교 산학협력단 | Robot griper having fastening function |
KR20220151812A (en) | 2021-05-07 | 2022-11-15 | 김명준 | Tip shape variable screwdriver |
KR102485744B1 (en) * | 2022-07-22 | 2023-01-09 | 김팔남 | Connector for a tube sealing device |
-
2015
- 2015-11-18 KR KR1020150161612A patent/KR20170057999A/en active Search and Examination
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102347437B1 (en) * | 2020-10-28 | 2022-01-04 | 고려대학교 산학협력단 | Robot griper having fastening function |
KR20220151812A (en) | 2021-05-07 | 2022-11-15 | 김명준 | Tip shape variable screwdriver |
KR20230028735A (en) | 2021-05-07 | 2023-03-02 | 김명준 | Tip shape variable screwdriver |
KR102485744B1 (en) * | 2022-07-22 | 2023-01-09 | 김팔남 | Connector for a tube sealing device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
A302 | Request for accelerated examination | ||
E902 | Notification of reason for refusal | ||
AMND | Amendment | ||
E601 | Decision to refuse application | ||
AMND | Amendment | ||
J201 | Request for trial against refusal decision | ||
J301 | Trial decision |
Free format text: TRIAL NUMBER: 2016101004465; TRIAL DECISION FOR APPEAL AGAINST DECISION TO DECLINE REFUSAL REQUESTED 20160728 Effective date: 20170904 |