KR20120034841A - A core drill separating tool - Google Patents

A core drill separating tool Download PDF

Info

Publication number
KR20120034841A
KR20120034841A KR1020100096161A KR20100096161A KR20120034841A KR 20120034841 A KR20120034841 A KR 20120034841A KR 1020100096161 A KR1020100096161 A KR 1020100096161A KR 20100096161 A KR20100096161 A KR 20100096161A KR 20120034841 A KR20120034841 A KR 20120034841A
Authority
KR
South Korea
Prior art keywords
coupling
fixed
core drill
shaft
nut
Prior art date
Application number
KR1020100096161A
Other languages
Korean (ko)
Inventor
희 수 황
Original Assignee
희 수 황
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 희 수 황 filed Critical 희 수 황
Priority to KR1020100096161A priority Critical patent/KR20120034841A/en
Publication of KR20120034841A publication Critical patent/KR20120034841A/en

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/12—Adapters for drills or chucks; Tapered sleeves
    • B23B51/14—Adapters for broken drills
    • 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
    • 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
    • B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
    • B25B27/18—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same withdrawing broken threaded parts or twist drills

Abstract

PURPOSE: A core-drill separating tool is provided to easily separate a broken core drill from a wall by easily unfolding a curved blade by striking a fixed striking unit. CONSTITUTION: A core-drill separating tool(100) comprises a striking holder(20), a fixed striking unit(30), a coupling nut(40), and a spring washer(50). A fixed shaft comprises a coupling shaft, and first to third coupling units. The first coupling unit is formed on one side of the coupling shaft and the second and third coupling units are formed on the other side of the coupling shaft. The first coupling unit is coupled to the mounting unit(1) of a core drill(5). The striking holder is slidably coupled to the outer surface of the coupling shaft.

Description

A core drill separating tool

The present invention relates to a core drill desorption tool, and more particularly, when the processing unit of the core drill is bent during the drilling of the wall, in the state of fixing the first coupling portion of the fixed shaft instead of the air tool to the mounting portion of the core drill By hitting the fixed striker fixedly coupled to the fixed shaft by reciprocating the impact holder in the vertical direction of the wall, it is possible to easily spread the processing blade of the bent part, thereby easily detaching the broken core drill from the wall. In addition, it is possible to prevent the noise generated when hitting by installing a rubber pad in the fixed strike where the hit occurs, and the coupling nut for fixing the fixed hit to the vibration caused by the spring washer is separated. It can be prevented and cored by a fixing nut that prevents the separation of the slide holder. The present invention relates to a core drill desorption tool that can be easily carried and stored by separating a reel and a desorption tool.

In general, the core drill is a drilling tool used to drill holes in a perforated object, such as a wall, a cylindrical shank formed on the outer circumferential surface of a discharge hole for discharging dust and friction heat generated during the drilling operation, and the bottom of the shank Formed in a plurality of to form a processing blade for drilling the perforated work, and the upper portion of the shank is configured for the mounting portion for the combination of the air tool, through which the drilling of the wall was able to smoothly.

However, since such a conventional core drill is in close contact with a perforated object such as a wall, a drilling operation is performed, so that when the thickness of the wall is thick or when reinforcing bars are installed inside the wall, the processing blade configured in the core drill is bent. Occasionally occurred, when the processing blade is bent as described above, even if the air tool is used, not only does the core drill turn, but also it was not easy to remove from the wall.

Therefore, when the core drill is stuck in the wall due to the failure of the core drill during the drilling operation, there is a demand for a method for removing the core drill.

The present invention is invented to solve the above problems, when the processing part of the core drill is bent during the drilling of the wall, hitting the first coupling portion of the fixed shaft instead of the air tool in the mounting portion of the core drill By reciprocating the holder in the vertical direction of the wall and hitting the fixed striker fixedly coupled to the fixed shaft, it is possible to easily unfold the cutting edge of the bent processing part, thereby easily detaching the broken core drill from the wall. It is an object of the present invention to provide a core drill removal tool.

In addition, the present invention is equipped with a rubber pad in the fixed hitting hitting portion to prevent the impact noise generated when hitting, as well as a coupling nut for fixing the fixed hitting hitch against the vibration generated when hitting by the spring washer The purpose of the present invention is to provide a core drill detachment tool that can be prevented from being separated and the core drill and the detachment tool can be easily carried and stored by separating the core drill and the detachment tool by a fixing nut that prevents the separation of the slide-connected hit holder.

Core drill detachment tool of the present invention for achieving the above object, the coupling shaft is formed a coupling shaft, one side of the coupling shaft is configured with a first coupling portion coupled to the mounting portion of the core drill, the other side is fixed A fixed shaft having second and third coupling parts for coupling; A blow holder formed in a hollow shape and slidingly coupled to an outer diameter of a coupling shaft configured in the fixed shaft; A fixed percussion part which forms a through hole fitted into an outer diameter of a coupling shaft configured with the second coupling part, and one side of the through hole is integrally formed with a stepped part that is applied to an end of the coupling shaft; A coupling nut screwed to the second coupling part of the fixed shaft to fix the fixed hammer part to the end of the coupling shaft; A spring washer inserted between the fixed hitting part and the coupling nut to prevent loosening of the coupling nut; The handle is screwed to the third coupling portion of the fixed shaft; characterized in that consisting of.

In the core drill detachment tool of the present invention, when the machining portion of the core drill is bent during the drilling of the wall, the impact holder is fixed in the vertical direction of the wall in a state in which the first coupling part of the fixed shaft is fixed to the mounting portion of the core drill instead of the air tool. By hitting the fixed striker fixedly coupled to the fixed shaft by reciprocating to, it is possible to easily unfold the processing blade of the bent processing portion, there is an advantage that can easily detach the broken core drill from the wall.

In addition, by installing a rubber pad in the fixed hitting hitting part to prevent the impact noise generated when hitting, the coupling nut for fixing the fixed hitting part to the vibration generated when hitting by the spring washer is separated It is a useful invention that can be prevented, by separating the core drill and the removable tool by a fixing nut that prevents the separation of the impact holder coupled to the slide and can be easily carried and stored.

1 is a perspective view showing a core drill removal tool of the present invention.
2 and 3 is an exploded perspective view showing a core drill removal tool of the present invention.
4, 5 is a cross-sectional view before and after the operation of the core drill removal tool of the present invention.

Hereinafter, the structure of the present invention will be described.

The core drill detachment tool 100 of the present invention is used to remove the core drill, which is a tool for drilling work, from the wall, as shown in FIGS. 1 to 5, the fixed shaft 10, the impact holder 20, It consists of a fixed blower 30, a coupling nut 40, a spring washer 50, and a handle 60.

First, the core drill (5) is a drilling tool used to drill holes in a punched object (not shown), such as a wall using an air tool (not shown), to discharge dust and friction heat generated during the drilling work, etc. It consists of a cylindrical machining portion (2) formed on the outer circumferential surface for the discharge hole (3), and a machining blade (4) formed in the lower end of the processing portion (2) for drilling the object to be drilled, On the upper part of the part 2, the mounting part 1 for coupling an air tool is comprised.

In addition, the fixed shaft 10 is for fixing the support of the core drill (5), characterized in that the coupling shaft 12 is formed with a tightening end 11 for tightening.

And, one side of the coupling shaft 12 is characterized in that the first coupling portion 13 is coupled to the mounting portion 1 of the core drill (5) is configured, the other side coupling nut 40 and the handle ( The second and third coupling parts 14 and 15 for fixed coupling 60 are respectively characterized in that they are configured.

In addition, the blow holder 20 is formed in a hollow shape is to be coupled to the outer diameter of the coupling shaft 12 configured in the fixed shaft 10, to hit the fixed blower 30 while moving the slide in accordance with the user's operation It works.

In addition, by forming a soft arc-shaped end at the stop of the hitting holder 20, it is preferable to make the user's hand easy to slip even when the impact caused by the hitting, and to the outer diameter of the hitting holder 20 It may be configured by putting a shock absorbing cover (not shown) to prevent the shock is transmitted to the user's hand.

In addition, the fixed percussion part 30 is formed by forming a through hole 31 so as to fit the outer diameter of the coupling shaft 12, the second coupling portion 14 of the fixed shaft 10, the through hole 31 One side is characterized in that the stepped portion 32 is applied to the end of the coupling shaft 12 is integrally configured in the inner diameter.

In addition, the fixed hitting portion 30 hitting the hitting holder 20 may be configured to include a rubber pad 70, the rubber pad 70 is fixed by a conventional bonding method such as bonding It may be fixedly coupled to the part 30, but preferably, it is preferably fixedly coupled in a detachable configuration to facilitate replacement in case of breakage.

And, looking at a preferred embodiment of the configuration for attaching and detaching the rubber pad, it constitutes a seating groove 31 and the bolt coupling groove 32, the rubber pad 70 is fitted into the fixed strike part 30, In the rubber pad 70, a bolt head seating groove 71 and a bolt through hole 72 corresponding to the bolt coupling groove 32 are formed, so that the rubber pad 70 is fixed to the fixed strike part 30 by the bolt B. May be combined.

In addition, the coupling nut 40 is a screw threaded to the second coupling portion 14 of the fixed shaft 10 by constituting a female screw in the inner diameter, the fixed hammer portion 30 fitted to the outer diameter of the coupling shaft 12. The stepped portion 32 of the coupling shaft 12 acts to be fixed in close contact with the end.

In addition, the spring washer 50 is fitted between the fixed blower 30 and the coupling nut 40, the coupling nut 40 by applying an external force between the fixed blower 30 and the coupling nut 40. ) Prevents automatic loosening.

In addition, the handle 60 is to be mounted for the convenience of carrying and operation of the core drill detachment tool 100 of the present invention, by forming a female screw in the inner diameter of the third coupling portion 15 of the fixed shaft 10 Screwed in.

In addition, the fixing nut 80 may be configured to be further coupled to the first coupling part 13 of the fixing shaft 10, and the fixing nut 80 may be the fixing shaft 10 and the core drill 5. When the separation operation of the fixing shaft 10, the coupling acting on the coupling shaft 12 of the hitting holder 20 to prevent the falling out to enable the easy carrying of the present invention.

Looking at the operation according to the configuration as described above are as follows.

The present invention is to be used when the core drill (5) is coupled to the air tool and the core drill (5) is stuck to the wall which is the object to be drilled during use, when the processing blade (4) of the core drill (5) is bent, After separating the air tool coupled to the mounting portion 1 of the core drill 5, the core drill detachment hole 100 of the present invention is coupled to the mounting portion 1 to remove the core drill 5 embedded in the wall. Can be.

Hereinafter, the method of coupling the core drill desorption tool and the method of using the core drill desorption tool of the present invention will be described in detail.

In order to couple the core drill detachment tool 100 of the present invention, first, the impact holder 20 is inserted into the coupling shaft 12 of the fixed shaft 10, and then the second coupling portion 14 of the fixed shaft 10 is provided. Insert the fixed percussion unit 30 into the end of the coupling shaft 12 and the stepped portion 32 of the fixed percussion unit 30 is in close contact.

After that, the spring washer 50 is inserted into the second coupling part 14 of the fixed shaft 10 to be in close contact with the end of the fixed strike part 30, and the coupling nut 40 is attached to the fixed shaft 10. Coupled to the second coupling portion 14, the stepped portion 32 of the fixed strike part 30 is completely fastened so as to be tightly fixed to the end of the coupling shaft 12 without shaking, and then the third of the fixed shaft 10 By fastening the handle 60 to the coupling portion 15, the coupling of the core drill detachment tool 100 of the present invention can be completed.

In addition, a fixing nut 80 is added to the first coupling part 13 of the fixed shaft 10 in order to prevent the impact holder 20 from being slide-bonded to the coupling shaft 12 of the fixed shaft 10. It can also be combined, thereby allowing the user to easily carry and use without risk of loss of the blow holder 20.

After completing the coupling of the core drill desorption tool 100 of the present invention as described above, the first coupling shaft 13 of the fixed shaft 10 to the mounting portion 1 of the core drill 5 embedded in the wall Combination of the core drill 5 can be prepared for removal.

In this case, the core drill detachment tool 100 of the present invention may be inserted into the mounting portion 1 of the core drill 5 embedded in the wall, and the combination may be rotated, but the spanner (for easy and robust coupling) By fastening a tool such as not shown) to the tightening end 11 formed on the fixed shaft 10, a solid coupling of the core drill 50 and the core drill detachment tool 100 may be more easily achieved.

After completing the coupling of the core drill removal tool 100 as described above, the user slides the coupling shaft 12 of the fixed shaft 10 with the shaft while holding the impact holder 20 by hand. By continuously hitting the fixed percussion part 30 to one side of the holder 20, the core drill 5 embedded in the wall can be detached, which can hit the fixed percussion part 30. This is because of the phenomenon that the processing edge 4 of the core drill 5 bent by the force generated at the time is slightly unfolded.

In addition, since the impact noise and vibration generated when the impact holder 20 and the fixed strike unit 30 collide with each other are canceled by the rubber pad 70 coupled to the fixed strike unit 30, noise prevention and The operator's hand is prevented from falling off, and if the rubber pad 70 is damaged by continuous operation, the rubber pad 70 can be easily reused by a simple maintenance to replace only the rubber pad 70, thereby saving time according to the maintenance. There is an advantage.

As such, using the core drill detachment tool 100 of the present invention, the core drill 5 embedded in the wall can be easily detached with a simple tool, thereby increasing the efficiency of drilling.

1: mounting part 2: machining part
3: discharge hole 4: processing blade
5 core drill 10 fixed shaft
11 tightening end 12 coupling shaft
13, 14, 15: the first, second, third coupling shaft 20: the impact holder
30: fixed strike part 31: through hole
32: step 33: seating groove
34: bolt coupling groove 40: coupling nut
50: spring washer 60: handle
70: rubber pad 71: bolt head seating groove
72: bolt through hole 80: fixing nut
B: Bolt 100: Core drill removal tool

Claims (4)

In the core drill detachment tool used to remove the core drill (5) consisting of the mounting portion (1) and the processing portion (2) from the wall,
A coupling shaft 12 having a tightening end 11 is formed, but one side of the coupling shaft 12 includes a first coupling portion 13 coupled to the mounting portion 1 of the core drill 5. On the other side of the fixed shaft 10, the second and third coupling portions 14, 15 configured for fixed coupling;
A blow holder 20 formed in a hollow shape and slidingly coupled to the outer diameter of the coupling shaft 12 formed in the fixed shaft 10;
The through hole 31 is formed to be fitted into the outer diameter of the coupling shaft 12 is configured with the second coupling portion 14, one side of the through hole 31 is stepped on the end of the coupling shaft 12 Fixed percussion unit 30 is formed integrally with 32;
A coupling nut 40 screwed to the second coupling part 14 of the fixed shaft 10 to fix the fixed hammer part 30 to the end of the coupling shaft 12.
A spring washer (50) inserted between the fixed strike part (30) and the coupling nut (40) to prevent loosening of the coupling nut (40);
A core drill detachment tool comprising: a handle (60) screwed to a third coupling portion (15) of the fixed shaft (10).
The core drill detachment tool according to claim 1, wherein the fixed strike part (30) hitting the impact holder (20) further comprises a rubber pad (70).
According to claim 2, wherein the fixed hitting portion 30 is formed with a mounting groove 31 and the bolt coupling groove 32, the rubber pad 70 is fitted, the rubber pad 70 is the bolt coupling groove ( A core drill removal tool characterized in that the bolt head seating groove 71 and the bolt through hole 72 corresponding to 32 are formed so that the rubber pad 70 is coupled to the fixed striking portion 30 by a bolt (B). .
According to claim 1, wherein the first coupling portion 13 of the fixed shaft 10 is a core drill removal tool characterized in that the coupling nut further comprises a fixing nut 80 for preventing the loss of the impact holder (20) .
KR1020100096161A 2010-10-02 2010-10-02 A core drill separating tool KR20120034841A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100096161A KR20120034841A (en) 2010-10-02 2010-10-02 A core drill separating tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100096161A KR20120034841A (en) 2010-10-02 2010-10-02 A core drill separating tool

Publications (1)

Publication Number Publication Date
KR20120034841A true KR20120034841A (en) 2012-04-13

Family

ID=46136941

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020100096161A KR20120034841A (en) 2010-10-02 2010-10-02 A core drill separating tool

Country Status (1)

Country Link
KR (1) KR20120034841A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104384534A (en) * 2014-10-17 2015-03-04 周兰荣 Handle key device for lathe
KR20230040256A (en) * 2021-09-15 2023-03-22 신진호 Core hammer set for core drilling

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104384534A (en) * 2014-10-17 2015-03-04 周兰荣 Handle key device for lathe
KR20230040256A (en) * 2021-09-15 2023-03-22 신진호 Core hammer set for core drilling

Similar Documents

Publication Publication Date Title
JP5749969B2 (en) A system comprising an auxiliary device and an electric working machine having the auxiliary device
US6347562B1 (en) Multi-purpose hand tool with multiple interchangeable utility heads and safety lock
JP3179222U (en) Dust collecting cover for electric tools
US20080276438A1 (en) Sealing Plug Removal Apparatus
US8069544B2 (en) Device for extracting a quick-change tool holder
CN107263406A (en) Electric tool with detachable auxiliary handle
US20090269155A1 (en) Alignment Structure for a Wood Flat Drill Bit
US20130327189A1 (en) Fastener removal
WO2007027359A3 (en) Mining bit puller with striking pad
KR20120034841A (en) A core drill separating tool
US6928899B1 (en) Striking head-interchangeable hammer with a stress-distributable fastener
KR102070412B1 (en) Anchoring apparatus for easy construction of anchor and anchor construction method using the same
US8272299B2 (en) Tool for freeing seized bolts
US11772254B2 (en) Power tool and hook
CN214818320U (en) Universal quick chuck for electric hammer drill bit
US20060005667A1 (en) Vibration-damping hammer
KR100975718B1 (en) Head change type hemmer
WO2009097197A1 (en) Drill bit extension
EP2065558A2 (en) Device for extracting a quick-change tool holder
JP5419524B2 (en) Core bit
JP3183258U (en) Drill replacement jig
JP2014043087A (en) Attachment device and the like for mounting replacement blade of impact tool
CN109732540A (en) Well testing flange taps hammer
KR102368410B1 (en) Tool for separating drill bit
KR200462802Y1 (en) A anchor bolt for recyclable

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee