KR20090035757A - Bit for removing damaged screws - Google Patents

Bit for removing damaged screws Download PDF

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Publication number
KR20090035757A
KR20090035757A KR1020070100698A KR20070100698A KR20090035757A KR 20090035757 A KR20090035757 A KR 20090035757A KR 1020070100698 A KR1020070100698 A KR 1020070100698A KR 20070100698 A KR20070100698 A KR 20070100698A KR 20090035757 A KR20090035757 A KR 20090035757A
Authority
KR
South Korea
Prior art keywords
drill
screw
bit
friction portion
head
Prior art date
Application number
KR1020070100698A
Other languages
Korean (ko)
Inventor
김종묵
Original Assignee
한아툴스 (주)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 한아툴스 (주) filed Critical 한아툴스 (주)
Priority to KR1020070100698A priority Critical patent/KR20090035757A/en
Publication of KR20090035757A publication Critical patent/KR20090035757A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
    • B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
    • 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
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/023—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same using screws

Abstract

A drill bit for releasing and tightening a damaged screw is provided to improve convenience in work using screws by delivering the torque of a drill through the inclined friction part in which screw thread is formed. A drill bit for releasing and tightening a damaged screw comprises a first drill part(10) in which a first connection rod(12) is formed below a first bit head(11), a first inclined friction part(20) including a first coupling recess(21) in which the first connection rod of the first drill part is fixed and a first screw thread(22), a second drill part(30) in which a second connection rod(32) is formed below a second bit head(31), and a second inclined friction part(40) including a second coupling recess(41) in which the second connection rod of the second drill part is fixed and a second screw thread(42) formed in the opposite direction to the first screw thread.

Description

Bit for removing damaged screws

The present invention relates to a bit for removing and locking a damaged screw. Specifically, the screw head is damaged in the process of fixing the screw, and the screw head is detached from the object, or the screw head is damaged in a fixed state. It is to be able to insert the screw into the object.

In general, a screw composed of a threaded body and a head having a groove for fixing a drive or a bit is used to fix an object by using a manual tool such as a drive, a drill using a bit, and an external power tool.

However, the use of the screw as described above, because it is fixed by the rotational force of the screw, the head of the screw is a pressure applied to the outside of the groove formed in the head of the screw to receive the rotational force through the bit fixed to the drive or drill It is often the case that the grooves are crushed without enduring.

If the groove of the screw is crushed as above, the drive and the drill cannot be used, and the object and the screw must be separated by using a hammer to drive or remove the screw. Therefore, due to the frictional force of the object in contact with the screw of the screw that cannot rotate, There is a lot of difficulty in eliminating it.

The present invention is to allow the screw to be removed from the object or fixed to the object by the rotation of the screw using the screw thread of the screw even if the groove of the screw is crushed as described above.

The present invention is the configuration of the bit used to secure the electric drill for the rotation of the screw screwed groove, the drill portion for processing the head of the screw, and the inclined friction portion formed with a screw thread so that the rotational force of the drill is transmitted to the processed screw It is formed so that the rotational force of the bit is transmitted to the screw by the inclined friction portion of the rotating bit, so that the screw can be eliminated or fixed to the object according to the rotation direction to the bit.

The present invention, when the screw fixed to the object is damaged and can not use a screwdriver or drill, it is possible to easily and quickly remove the damaged screw or lock the object, there is an effect that can be convenient to work with the screw, By removing the screw and locking the new screw, there is an effect that there is no inconvenience in using the object.

The configuration of the bit 50 to be fixed to the electric drill 100,

A first drill portion 10 having a first coupler 12 formed under the first drill head 11 used to drill an object to one side of the body 1, and the first drill portion 10 described above A first engagement recess 21 to which the first coupling hole 12 is fixed, the first inclined friction portion 20 having the first thread 22 formed thereon, and an object to the other side of the body 1. The second drill portion 30 having the second coupler 32 formed under the second drill head 31 used to drill the hole, and the second coupler 32 of the second drill portion 30. Is formed by forming a second inclined friction portion 40 in which the second coupling recess 41 is formed and the second thread 42 formed in the opposite direction to the first thread 22 is formed.

The bit composed of the first inclined friction portion 20 coupled to the first drill head 11 on both sides of the body 1 and the second inclined friction portion 40 coupled to the second drill head 31 as described above. The detailed description of 50 is as follows.

Bit 50 of the present invention is to be used in combination with the conventional drill 100, the body 1 of the bit 50 formed in a hexagon is fixed to the drill 100 receives the rotational force to receive the screw 101 To be removed and secured to the object 102.

In the configuration of the bit 50 as described above, the first drill part 10 does not transmit the rotational force to the screw 101 because the head of the screw 101 fixed to the object 102 is crushed, thereby causing the screw 101 to fail. It is used when it cannot be removed from the object 102.

When the bit 50 is rotated in a state in which the bit 50 of the present invention is engaged with the drill 100 in a conventional manner, the first coupler is formed on the first coupling recess 21 of the first inclined friction portion 20. As the drill head 11 rotated using (12) rotates, the head of the screw 101 is processed first.

As described above, the first screw 101 head is in contact with the first inclined friction portion 20 formed below the first drill head 11, and is connected to the screw 101 in the threaded direction of the first thread 22. While rotating, the screw 101 is removed from the object 102 is removed.

In the present invention, the combination of the first coupler 12 and the first coupler 21 of the first drill head 11, so that the rotational force of the rotating body 1 can be transmitted, the first coupler 12 ) Is formed of a polygonal pillar except for a cylindrical shape, and an embodiment of the present invention is a hexagonal pillar.

This can be produced in a rectangular, octagonal, triangular column according to the user's choice, the shape of the first coupling recess 21 is also determined in accordance with the predetermined shape of the first coupler (12).

Looking at the action of the first inclined friction portion 20 in the present invention, the first screw thread formed in the first inclined friction portion 20 while contacting the screw 101 is first processed by the first drill head 11 The direction (22) is formed in the direction in which the screw 101 is pulled away from the object 102, so that the screw 101 is removed from the object 102 by the rotational force of the bit 50.

In the operation of the present invention as described above, when the screw 101 is pushed in the direction of the object 102 to fix the object 102 without removing the screw 101 fixed to the object 102, The 2nd engaging part 40 which formed the 1st threaded line 22 of the 1st inclination friction part 20, and the 2nd threaded wire 42 which rotated in the opposite direction by using the 2 drill part 30 is formed. In order to be able to use, the second inclined friction portion 40, the second drill head 31 for the primary processing of the screw 101, the second coupling hole 32 and the second coupling recess 41 It is coupled to the second inclined friction portion 40 through.

Referring to the use of the second drill portion 30 coupled as described above, the second drill head 31 is in contact with the screw 101 so that the screw 101 can be rotated and fixed to the object 102. When the drill 100 is driven, the screw 101 is first processed by the second drill head 31 of the rotating bit 50, and the second thread 42 of the second inclined friction portion 40 is formed. The screw 101 is rotated in accordance with the direction of the screw line, and is fixed to the object 102.

For the operation as described above, in the present invention, the diameter of the first drill head 11 and the second drill head 31, than the diameter of the first inclined friction portion 20 and the second inclined friction portion 40 In a small form, the transmission of the rotational force to the screw 101 which is primarily processed by the processing of the first drill head 11 and the second drill head 31 is performed by the first inclined friction portion 20 and the second inclined friction portion ( 40, the first drill head 11 and the second drill head 31 is the first inclined friction portion 20 and the second inclined friction portion 40 is directly screwed 101 It is to be in contact with the screw (101) pre-processed without processing.

Looking at another embodiment of the present invention, the configuration of the bit 50 to be fixed to the electric drill 100, the first drill head 11 used to puncture an object to one side of the body 1, and the first The second drill head 31 is formed to form a first inclined friction portion 20 having a thread 22 formed therein, and is used to drill an object to the other side of the body 1, as opposed to the first thread 22. The second inclined friction portion 40 formed with the second screw thread 42 formed in the direction is formed.

The use of the present invention as described above is to use the bit 50 fixed to the drill 100 as described above, when the screw 101 is removed from the object 102, the first drill head 11 And the first inclined friction portion 20, and when the screw 101 is fixed to the object 102, the operation may be performed by using the second drill head 31 and the second inclined friction portion 40. It would be.

The other embodiment is characterized in that the first drill head 11 and the second drill head 31 are integrally formed with the body 1 in the first gradient friction portion 20 and the second gradient friction portion 40. This simplifies the configuration of the bit 50 so as to facilitate the production and management of the bit 50.

Looking at another embodiment of the present invention, the first drill head 11 and the first inclined friction portion 20, the second drill head 31 and the second inclined friction portion 40, to enhance the durability The diamond tip 51 is formed.

As described above, the shape of the bit 50 increases the durability of the drill head and the inclined friction portion, thereby extending the life of the bit 50, and the diamond tip 51 is formed equally to the drill head and the inclined friction portion. , Can be used to form only one of the drill head or inclined friction portion.

1 is an exploded perspective view showing the configuration of the present invention

2 is a perspective view of the present invention

3 is a cross-sectional view showing the configuration of the present invention.

4 is a state diagram used in the present invention

a is the state of removing the screw

b is screwed

5 is a perspective view for explaining another embodiment of the present invention

6 is a cross-sectional view illustrating another embodiment of the present invention.

7 is a configuration diagram of another embodiment of another embodiment of the present invention.

Explanation of symbols for main parts of the drawings

Body

10. 1st drill part 11. 1st drill head

12. First Coupler

20. First inclined friction portion 21. First coupling recess

22. First thread

30. 2nd drill part 31. 2nd drill head

32. Second Coupler

40. Second inclined friction portion 41. Second coupling recess

42. Second thread

50. Bit 51. Diamond Powder

100. Drill 101. Screw

102. Object

Claims (3)

The configuration of the bit 50 to be fixed to the electric drill 100, A first drill portion 10 having a first coupler 12 formed under the first drill head 11 used to drill an object to one side of the body 1, A first inclined friction portion 20 in which the first coupling recess 21 to which the first coupling hole 12 of the first drill portion 10 is fixed is formed, and the first threaded line 22 is formed; A second drill part 30 having a second coupler 32 formed under the second drill head 31 used to drill an object to the other side of the body 1; The second coupling recess 41 to which the second coupling hole 32 of the second drill part 30 is fixed is formed, and the second thread 42 formed in the opposite direction to the first thread 22 is formed. Bits for removing and locking damaged screws, characterized in that by forming a second inclined friction portion (40). The configuration of the bit 50 to be fixed to the electric drill 100, A first drill head 11 used to drill an object to one side of the body 1 and a first inclined friction portion 20 having a first thread 22 formed thereon, A second inclined friction portion having a second drill head 31 used to drill an object to the other side of the body 1, and a second thread 42 formed in a direction opposite to the first thread 22; 40) a bit for removal and locking of a damaged screw, characterized in that it is formed. The method according to claim 1, wherein The diamond tip 51 is coupled to the first drill head 11, the first bevel friction part 20, the second drill head 31 and the second bevel friction part 40 to enhance durability. Characterized by bits for removal and locking of damaged screws.
KR1020070100698A 2007-10-08 2007-10-08 Bit for removing damaged screws KR20090035757A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020070100698A KR20090035757A (en) 2007-10-08 2007-10-08 Bit for removing damaged screws

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070100698A KR20090035757A (en) 2007-10-08 2007-10-08 Bit for removing damaged screws

Publications (1)

Publication Number Publication Date
KR20090035757A true KR20090035757A (en) 2009-04-13

Family

ID=40760909

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020070100698A KR20090035757A (en) 2007-10-08 2007-10-08 Bit for removing damaged screws

Country Status (1)

Country Link
KR (1) KR20090035757A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105082045A (en) * 2015-07-23 2015-11-25 深圳崇达多层线路板有限公司 Quick pulling device for knife row drill bits of schmoll drilling machine
CN109338829A (en) * 2018-10-24 2019-02-15 韩雪 Broken nail, which melts to take device and melt, in casing takes method
KR102306121B1 (en) * 2020-05-15 2021-09-28 아이메디컴(주) Bone screw remover

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105082045A (en) * 2015-07-23 2015-11-25 深圳崇达多层线路板有限公司 Quick pulling device for knife row drill bits of schmoll drilling machine
CN105082045B (en) * 2015-07-23 2017-03-08 深圳崇达多层线路板有限公司 A kind of schmoll boring machine blade row bores the quick pulling attachment of nozzle
CN109338829A (en) * 2018-10-24 2019-02-15 韩雪 Broken nail, which melts to take device and melt, in casing takes method
KR102306121B1 (en) * 2020-05-15 2021-09-28 아이메디컴(주) Bone screw remover

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E601 Decision to refuse application