WO2013042899A2 - Nail pulling device - Google Patents

Nail pulling device Download PDF

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Publication number
WO2013042899A2
WO2013042899A2 PCT/KR2012/007337 KR2012007337W WO2013042899A2 WO 2013042899 A2 WO2013042899 A2 WO 2013042899A2 KR 2012007337 W KR2012007337 W KR 2012007337W WO 2013042899 A2 WO2013042899 A2 WO 2013042899A2
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WO
WIPO (PCT)
Prior art keywords
piston rod
jaw
cylinder
nail
piston
Prior art date
Application number
PCT/KR2012/007337
Other languages
French (fr)
Korean (ko)
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WO2013042899A3 (en
Inventor
양태규
Original Assignee
Yang Tae Kyu
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Filing date
Publication date
Application filed by Yang Tae Kyu filed Critical Yang Tae Kyu
Publication of WO2013042899A2 publication Critical patent/WO2013042899A2/en
Publication of WO2013042899A3 publication Critical patent/WO2013042899A3/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C11/00—Nail, spike, and staple extractors

Definitions

  • the present invention relates to a nail pulling device, and more particularly, to a nail pulling device that can easily pull nails embedded in a specific object such as wood by hydraulic or pneumatic pressure without using manpower.
  • nails are not only used conveniently when joining boards and boards or when joining boards and other items, but also for hanging goods on the wall, etc. They use tools such as pliers and claw hammers to pull out nails from the board or wall.
  • the present invention has been made to solve the above-mentioned problems of the prior art, and by using a hydraulic or pneumatic, such as wood by using a hydraulic or pneumatic, by using a nail holding jaw to be connected to the piston to be elevated by hydraulic or pneumatic
  • An object of the present invention is to provide a nail pulling device that can easily pull nails embedded in an object.
  • Nail pulling device for solving the above problems is a housing; A cylinder installed inside the housing and having a piston which is moved by pneumatic or hydraulic pressure therein and having a piston rod connected to the piston; A stopper which penetrates the piston rod of the cylinder and is fixed to the outer side of the piston rod to be elevated along the piston rod; A jaw holder positioned below the stopper and having an upper surface penetrated by a piston rod of the cylinder, and having an inner diameter extending toward a lower side thereof; A jaw guide which is fixed to the lower end of the piston rod of the cylinder to be spaced apart from the stopper to be lifted along the piston rod, and is lifted in the jaw holder; It is rotatably installed on the jaw guide and gripping the nail nailed to a specific object and when the piston rod of the cylinder ascends to remove the nail from the specific object; comprises a.
  • the jaw guide is the upper end is in contact with the upper surface of the jaw holder, the fastening portion is penetrated through the piston rod of the cylinder and fixed to the lower outer surface of the piston rod;
  • a body formed integrally extending downward from the lower end of the fastening part; It is formed integrally with the outer surface of the body at a predetermined interval, the width is expanded toward the lower side, the wing portion is formed to be inclined in a long long hole in the vertical direction so that the pin through the jaws can be inserted and moved; .
  • the piston rod of the cylinder is formed with a long piston groove in the vertical direction, and the insertion groove communicating with the piston groove is formed in the body of the jaw guide.
  • the jaws holding the nails are dynamically connected to the piston rod of the cylinder, so when the piston rod is raised, the jaws are also raised to extract the nails from a specific object such as wood. Therefore, there is an advantage that it is easy to draw without using very little manpower.
  • a piston groove is formed in the piston rod by the coil spring, and an insertion groove communicating with the piston groove is formed in the body of the jaw guide, so there is an advantage that it can be pulled out even with a long nail.
  • the nail is pulled out from the object in the vertical direction, there is an advantage in that the nail is not deformed, such as bending, in the process of pulling the nail, so that the nail is recycled.
  • the nail is pulled out in the vertical direction as described above, there is an advantage in that a specific object (eg, wood) in which the nail is nailed does not have a defect.
  • FIG. 1 is a perspective view of a nail pulling apparatus according to the present invention.
  • Figure 2 is an exploded perspective view of the nail pulling apparatus according to the present invention.
  • Figure 3a to 3c is a cross-sectional view showing a process of pulling a nail using the nail pull apparatus according to the present invention.
  • FIG. 1 is a perspective view of a nail pulling apparatus according to the present invention
  • Figure 2 is an exploded perspective view of the nail pulling apparatus according to the present invention
  • Figures 3a to 3c is a process of pulling a nail using the nail pulling apparatus according to the present invention It is a cross section shown.
  • Nail pulling device is a device for pulling nails embedded in a specific object (M) made of wood, plastic or other materials, the housing 10, the piston rod is installed inside the housing 10
  • the housing 10 is provided with a control box 11 to provide pneumatic or hydraulic pressure to the cylinder 20 on the outer surface. Therefore, when the control box 11 is operated to provide pneumatic or hydraulic pressure to the cylinder 20, the piston 21 inside the cylinder 20 is raised and the piston rod formed integrally with the piston 21 ( When the 22 is raised together and the hydraulic pressure provided in the cylinder 20 is removed, the piston 21 and the piston rod 22 in the cylinder 20 are lowered.
  • the housing 10 has a see-through groove 12 formed in the lower side, the handle 13 is provided at the top.
  • the see-through groove 12 is formed to see the stopper 30, the jaw holder 40, the jaw guide 50 and the jaw 60 installed in the housing 10 from the outside of the housing 10. .
  • the cylinder 20 is fixed to the upper side of the inside of the housing 10, the piston 21 which is moved by pneumatic or hydraulic pressure is provided therein and the piston rod 22 connected to the piston 21 Equipped.
  • the piston 21 rises inside the cylinder 20 when pneumatic or hydraulic pressure is supplied to the inside of the cylinder 20, and descends when the provided pneumatic or hydraulic pressure is removed.
  • piston rod 22 One end of the piston rod 22 is connected to the piston 21, and the other end thereof is exposed to the outside of the cylinder 20.
  • piston rod 22 is formed with a rod groove 22a elongated in the vertical direction.
  • the rod groove 22a is a groove formed upwardly along the central portion of the piston rod 22 starting from the bottom of the piston rod 22.
  • the stopper 30 is installed to penetrate the piston rod 22 of the cylinder 20.
  • the stopper 30 is fixed to the piston rod 22 by being helically coupled to the outer surface of the piston rod 22, so that when the piston rod 22 is raised, it is raised together and the piston rod 22 ) Is lowered together. That is, it is lifted up and down along the piston rod 22.
  • the jaw holder 40 is located at the lower side of the stopper 30, and the upper surface center portion is penetrated by the piston rod 22 of the cylinder 20, and the lower side is opened.
  • the jaw holder 40 has a shape similar to a trapezoid when the inner diameter is enlarged toward the lower side and the side cross section is viewed.
  • the jaw holder 40 is supported so as not to move upward by the stopper 30 to guide the jaw guide 50 when the jaw guide 50 is raised.
  • the jaw guide 50 is installed to be spaced apart from the stopper 30 by a predetermined distance.
  • the jaw guide 50 is fixed to the lower outer surface of the lower end of the piston rod 22 of the cylinder 20 to be elevated along the piston rod 22.
  • the jaw guide 50 is elevated inside the jaw holder 40.
  • the jaw guide 50 as described above is composed of a fastening portion 51, a body 52 formed integrally with the fastening portion, and a wing portion 53 formed integrally with the body 52.
  • the fastening portion 51 is formed in a cylindrical shape and is penetrated by the piston rod 22 of the cylinder 20 and fixed to the bottom outer surface of the piston rod 22.
  • the fastening part 51 has a spiral formed on an inner circumferential surface thereof and is spirally coupled to an outer surface of the piston rod 22.
  • the fastening portion 51 has an upper end contacting the upper surface of the jaw holder 40. Accordingly, the jaw holder 40 has an upper surface penetrated by the piston rod 22 between the stopper 30 and the fastening portion 51 of the jaw guide 50.
  • the body 52 is integrally extended toward the lower side from the lower end of the fastening portion 51, the insertion groove 52a in the center to communicate with the rod groove 22a formed in the piston rod 22 in the vertical direction Is formed.
  • the upper surface of the body 52 is in contact with the lower surface of the piston rod 22.
  • the wing portion 53 is formed integrally at a predetermined interval on the outer surface of the body 52, a plurality, more in detail are formed three such wing portion 53 is a pair of two wing pieces facing each other, , A pair of such wings are formed on the outer surface of the body 52 at regular intervals.
  • the wing portion 53 as described above has a form in which the width thereof is expanded toward the lower side, so that the upper side is narrow and the lower side has a wide form.
  • the wing portion 53 more specifically, the long piece 53a in the vertical direction is formed to be inclined in the wing piece constituting the wing portion 53.
  • the long hole 53a of the wing portion 53 is formed to be inclined at an angle equal to the angle formed by the outer surface of the jaw holder 40, and the pin P penetrating the jaw 60 is fitted therein.
  • the pin P penetrating the jaw 60 is fitted into the long hole 53a and is moved up and down along the long hole 53a.
  • Three jaws 60 are rotatably installed on the jaw guide 50 so that the piston rod 22 of the cylinder 20 is held after gripping nails embedded in a specific object M such as wood or plastic.
  • a specific object M such as wood or plastic.
  • the jaw 60 is located between the two wing pieces constituting the wing portion 53, and at the same time the pin (P) of the jaw 60 is located between the wing pieces Both ends of the pin P are fitted into the long hole 53a formed in the wing portion 53 through the upper portion. Accordingly, when the pin P rises upward along the long hole 53a, the upper portion of the jaw 60 protrudes upward of the wing portion 53, and the pin P extends along the long hole 53a.
  • the upper portion of the jaw 60 is positioned between the blade pieces of the wing portion 53.
  • the spring seat 70 is installed on the upper surface of the wing portion 53 of the jaw guide 50 to surround the outer surface of the fastening portion 51, the coil spring 80 on the spring seat 70 This is installed. Therefore, the upper end of the coil spring 80 is in contact with the upper surface of the jaw holder 40 and the lower end is in contact with the upper surface of the wing portion 53.
  • the coil spring 80 may be stagnant in place without falling down when the jaw 60 protrudes upward of the wing portion 53 so as to prevent the top of the jaw 60. Pressing jaw 60 provides an elastic force to be pushed downward.
  • Nail pulling device is that it is possible to easily pull nails embedded in a specific object such as wood using hydraulic or pneumatic pressure without the use of manpower has industrial applicability.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Abstract

The present invention relates to a nail pulling device. The nail pulling device includes: a housing; a cylinder installed within the housing, the cylinder including a piston operated by an air or oil pressure and a piston rod connected to the piston; a stopper passing through the piston rod of the cylinder and fixed to an outer surface of the piston rod so as to ascend or descend along the piston rod; a jaw holder disposed under the stopper, the jaw holder having a top surface through which the piston rod of the cylinder passes and an inner diameter gradually increasing downward; a jaw guide fixed to an outer surface of a lower end of the piston rod of the cylinder so that the jaw guide is spaced a predetermined distance from the stopper so as to ascend or descend along the piston rod, the jaw guide ascending or descending within the jaw holder; and a jaw rotatably installed on the jaw guide so as to pull a nail from a specific object when the piston rod of the cylinder ascends after the jaw grasps the nail stuck in the specific object. Thus, the nail may be easily pulled without using a labor force.

Description

못 뽑기장치Nail puller
본 발명은 못 뽑기장치에 관한 것으로서, 특히 인력을 사용하지 않고 유압 또는 공압으로 목재와 같은 특정물체에 박혀 있는 못을 용이하게 뽑을 수 있는 못 뽑기장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a nail pulling device, and more particularly, to a nail pulling device that can easily pull nails embedded in a specific object such as wood by hydraulic or pneumatic pressure without using manpower.
일반적으로 못은 판재와 판재를 결합시킬 때에나 혹은 판재와 다른 물품 등을 결합시킬 때에 편리하게 사용되고 있을 뿐만 아니라 벽 등에 물품을 걸기 위하여 사용되고 있는데, 이와 같은 못을 판재 또는 벽에 박을 때에는 주로 망치 등을 이용하고 있고, 판재 또는 벽에 박힌 못을 뽑기 위해서는 펜치나 장도리와 같은 공구를 사용하고 있다.Generally, nails are not only used conveniently when joining boards and boards or when joining boards and other items, but also for hanging goods on the wall, etc. They use tools such as pliers and claw hammers to pull out nails from the board or wall.
그런데, 펜치나 장도리와 같은 공구를 사용해서 박힌 못을 뽑을 때에는, 특히 목재인 경우에는 못 뽑는 자리에 흠집이 생겨서 외관이 나빠지게 되는 결점이 있었고, 또 지렛대의 원리를 이용해서 못을 뽑고 있지만 여전히 많은 인력이 소모되고, 못이 뽑혀져 나오는 과정에서 못이 굽혀지거나 하는 등의 변형이 생겨서 못을 재사용하기가 불편하다고 하는 결점이 있었다.However, when plucking nails using tools such as pliers or claw hammers, there was a flaw in the appearance of the nails, especially in wood, where the nails were scratched, and the appearance was bad. There was a drawback that it was inconvenient to reuse nails because a lot of manpower was consumed and nails were bent in the process of pulling out nails.
본 발명은 상기한 종래기술의 문제점을 해결하기 위하여 안출된 것으로서, 못을 파지하는 죠를 유압 또는 공압에 의하여 승강되는 피스톤에 연결되도록 함으로써 인력을 사용하지 않고 유압 또는 공압을 이용하여 목재와 같은 특정물체에 박혀 있는 못을 용이하게 뽑을 수 있는 못 뽑기장치를 제공하는데 그 목적이 있다.The present invention has been made to solve the above-mentioned problems of the prior art, and by using a hydraulic or pneumatic, such as wood by using a hydraulic or pneumatic, by using a nail holding jaw to be connected to the piston to be elevated by hydraulic or pneumatic An object of the present invention is to provide a nail pulling device that can easily pull nails embedded in an object.
상기한 과제를 해결하기 위한 본 발명에 의한 못 뽑기장치는 하우징과; 상기 하우징 내부에 설치되고, 공압 또는 유압에 의하여 운동하는 피스톤이 내부에 구비됨과 아울러 상기 피스톤에 연결되는 피스톤로드가 구비된 실린더와; 상기 실린더의 피스톤로드에 관통되어 피스톤로드의 외측면에 고정됨으로써 피스톤로드를 따라 승강되는 스토퍼와; 상기 스토퍼의 하측에 위치되고, 상기 실린더의 피스톤로드에 의하여 상면이 관통되며, 하측으로 갈수록 내부 직경이 확대되는 죠홀더와; 상기 스토퍼와 일정거리 이격되게 실린더의 피스톤로드 하단 외측면에 고정되어 피스톤로드를 따라 승강되되, 상기 죠홀더의 내부에서 승강되는 죠가이드와; 상기 죠가이드에 회동가능하게 설치되어 특정물체에 박혀 있는 못을 파지한 후 상기 실린더의 피스톤로드가 상승할 때 못을 특정물체로부터 뽑아내는 죠;를 포함하여 구성된다.Nail pulling device according to the present invention for solving the above problems is a housing; A cylinder installed inside the housing and having a piston which is moved by pneumatic or hydraulic pressure therein and having a piston rod connected to the piston; A stopper which penetrates the piston rod of the cylinder and is fixed to the outer side of the piston rod to be elevated along the piston rod; A jaw holder positioned below the stopper and having an upper surface penetrated by a piston rod of the cylinder, and having an inner diameter extending toward a lower side thereof; A jaw guide which is fixed to the lower end of the piston rod of the cylinder to be spaced apart from the stopper to be lifted along the piston rod, and is lifted in the jaw holder; It is rotatably installed on the jaw guide and gripping the nail nailed to a specific object and when the piston rod of the cylinder ascends to remove the nail from the specific object; comprises a.
여기서, 상기 죠가이드는 상단이 상기 죠홀더의 상면에 접촉되고, 상기 실린더의 피스톤로드에 관통됨과 아울러 피스톤로드의 하단 외측면에 고정되는 체결부와; 상기 체결부의 하단에서 일체로 하측을 향하여 연장되어 형성된 몸체와; 상기 몸체의 외측면에 일체로 일정간격을 이루며 형성되고, 하측으로 갈수록 그 폭이 확대되며, 죠를 관통한 핀이 끼움되어 이동될 수 있도록 상하방향으로 긴 장공이 경사지게 형성된 날개부;로 구성된다.Here, the jaw guide is the upper end is in contact with the upper surface of the jaw holder, the fastening portion is penetrated through the piston rod of the cylinder and fixed to the lower outer surface of the piston rod; A body formed integrally extending downward from the lower end of the fastening part; It is formed integrally with the outer surface of the body at a predetermined interval, the width is expanded toward the lower side, the wing portion is formed to be inclined in a long long hole in the vertical direction so that the pin through the jaws can be inserted and moved; .
그리고, 상기 실린더의 피스톤로드에는 상하방향으로 긴 피스톤홈이 형성되고, 상기 죠가이드의 몸체에는 상기 피스톤홈과 연통되는 삽입홈이 형성된다.The piston rod of the cylinder is formed with a long piston groove in the vertical direction, and the insertion groove communicating with the piston groove is formed in the body of the jaw guide.
상기와 같이 구성되는 본 발명의 못 뽑기장치는 못을 파지하고 있는 죠가 실린더의 피스톤로드에 동력적으로 연결되어 있어서 피스톤로드가 상승되면 죠도 같이 상승되어 못을 목재와 같은 특정물체로부터 뽑아내므로 인력을 거의 사용하지 않고도 못 뽑기가 용이한 이점이 있다.In the nail extracting apparatus of the present invention configured as described above, the jaws holding the nails are dynamically connected to the piston rod of the cylinder, so when the piston rod is raised, the jaws are also raised to extract the nails from a specific object such as wood. Therefore, there is an advantage that it is easy to draw without using very little manpower.
또한, 코일스프링에 의하여 피스톤로드에 피스톤홈이 형성되고 이 피스톤홈과 연통되는 삽입홈이 죠가이드의 몸체에 형성되어 길이가 긴 못이라 하더라도 뽑을 수 있는 이점이 있다.In addition, a piston groove is formed in the piston rod by the coil spring, and an insertion groove communicating with the piston groove is formed in the body of the jaw guide, so there is an advantage that it can be pulled out even with a long nail.
또한, 못을 수직방향으로 물체로부터 뽑아내므로, 못을 뽑는 과정에서 못에 휨과 같은 변형이 발생되지 않아서 뽑은 못을 재활용 할 수 있는 이점이 있다. 그리고, 상기와 같이 못을 수직방향으로 뽑아내므로 못이 박혀 있던 특정물체(예를 들면, 목재)에 흠이 발생되지 않는 이점이 있다.In addition, since the nail is pulled out from the object in the vertical direction, there is an advantage in that the nail is not deformed, such as bending, in the process of pulling the nail, so that the nail is recycled. In addition, since the nail is pulled out in the vertical direction as described above, there is an advantage in that a specific object (eg, wood) in which the nail is nailed does not have a defect.
도 1은 본 발명에 의한 못 뽑기장치의 사시도.1 is a perspective view of a nail pulling apparatus according to the present invention.
도 2는 본 발명에 의한 못 뽑기장치의 분해사시도.Figure 2 is an exploded perspective view of the nail pulling apparatus according to the present invention.
도 3a 내지 도 3c는 본 발명에 의한 못 뽑기장치를 사용하여 못을 뽑는 과정을 보인 단면도.Figure 3a to 3c is a cross-sectional view showing a process of pulling a nail using the nail pull apparatus according to the present invention.
이하, 본 발명에 의한 못 뽑기장치의 실시 예를 첨부된 도면을 참조하여 상세히 설명한다.Hereinafter, with reference to the accompanying drawings an embodiment of a nail pulling apparatus according to the present invention will be described in detail.
도 1은 본 발명에 의한 못 뽑기장치의 사시도이고, 도 2는 본 발명에 의한 못 뽑기장치의 분해사시도이며, 도 3a 내지 도 3c는 본 발명에 의한 못 뽑기장치를 사용하여 못을 뽑는 과정을 보인 단면도이다.1 is a perspective view of a nail pulling apparatus according to the present invention, Figure 2 is an exploded perspective view of the nail pulling apparatus according to the present invention, Figures 3a to 3c is a process of pulling a nail using the nail pulling apparatus according to the present invention It is a cross section shown.
본 발명에 의한 못 뽑기장치는 목재나 플라스틱 또는 그 외의 물질로 제조된 특정물체(M)에 박혀 있는 못을 뽑기 위한 장치로서, 하우징(10)과, 상기 하우징(10) 내부에 설치되고 피스톤로드(22)가 구비된 실린더(20)와, 상기 실린더(20)의 피스톤로드(22)에 설치되는 스토퍼(30)와, 상기 실린더(20)의 피스톤로드(22)에 의하여 관통되는 죠홀더(40)와, 상기 실린더(20)의 피스톤로드(22)에 설치되는 죠가이드(50)와, 상기 죠가이드(50)에 회동가능하게 설치되는 죠(60);를 포함하여 구성된다.Nail pulling device according to the present invention is a device for pulling nails embedded in a specific object (M) made of wood, plastic or other materials, the housing 10, the piston rod is installed inside the housing 10 A cylinder 20 provided with a 22, a stopper 30 provided in the piston rod 22 of the cylinder 20, and a jaw holder penetrated by the piston rod 22 of the cylinder 20 40, a jaw guide 50 installed on the piston rod 22 of the cylinder 20, and a jaw 60 rotatably installed on the jaw guide 50;
상기 하우징(10)은 외측면에 실린더(20)에 공압 또는 유압을 제공하기 컨트롤박스(11)가 설치된다. 따라서, 컨트롤박스(11)를 조작하여 실린더(20) 내부에 공압 또는 유압을 제공하면 실린더(20) 내부의 피스톤(21)이 상승됨과 아울러 상기 피스톤(21)에 일체로 형성되어 있는 피스톤로드(22)가 같이 상승되게 하고, 실린더(20) 내부에 제공되었던 유압을 제거하면 실린더(20) 내부의 피스톤(21)과 피스톤로드(22)가 하강되게 한다. 이러한 하우징(10)은 하측에 투시홈(12)이 형성되어 있고, 상단에 손잡이(13)가 구비되어 있다.The housing 10 is provided with a control box 11 to provide pneumatic or hydraulic pressure to the cylinder 20 on the outer surface. Therefore, when the control box 11 is operated to provide pneumatic or hydraulic pressure to the cylinder 20, the piston 21 inside the cylinder 20 is raised and the piston rod formed integrally with the piston 21 ( When the 22 is raised together and the hydraulic pressure provided in the cylinder 20 is removed, the piston 21 and the piston rod 22 in the cylinder 20 are lowered. The housing 10 has a see-through groove 12 formed in the lower side, the handle 13 is provided at the top.
상기 투시홈(12)은 상기 하우징(10) 내부에 설치되어 있는 스토퍼(30), 죠홀더(40), 죠가이드(50) 및 죠(60)를 하우징(10) 외부에서 보기 위하여 형성시킨 것이다.The see-through groove 12 is formed to see the stopper 30, the jaw holder 40, the jaw guide 50 and the jaw 60 installed in the housing 10 from the outside of the housing 10. .
상기 실린더(20)는 상기 하우징(10)의 내부 상측에 고정 설치되고, 공압 또는 유압에 의하여 운동하는 피스톤(21)이 내부에 구비됨과 아울러 상기 피스톤(21)에 연결되는 피스톤로드(22)를 구비한다.The cylinder 20 is fixed to the upper side of the inside of the housing 10, the piston 21 which is moved by pneumatic or hydraulic pressure is provided therein and the piston rod 22 connected to the piston 21 Equipped.
상기 피스톤(21)은 앞서 얘기한 것처럼 실린더(20) 내부에 공압 또는 유압이 공급되면 실린더(20) 내부에서 상승하고, 제공되었던 공압 또는 유압이 제거되면 하강한다.As described above, the piston 21 rises inside the cylinder 20 when pneumatic or hydraulic pressure is supplied to the inside of the cylinder 20, and descends when the provided pneumatic or hydraulic pressure is removed.
상기 피스톤로드(22)는 일단이 상기 피스톤(21)에 연결되어 있고 타단은 상기 실린더(20)의 외부로 노출되어 있다. 그리고, 상기 피스톤로드(22)에는 상하방향으로 긴 로드홈(22a)이 형성되어 있다.One end of the piston rod 22 is connected to the piston 21, and the other end thereof is exposed to the outside of the cylinder 20. In addition, the piston rod 22 is formed with a rod groove 22a elongated in the vertical direction.
상기 로드홈(22a)은 상기 피스톤로드(22)의 가장 하단에서 시작하여 피스톤로드(22)의 중앙부분을 따라 상측으로 길게 형성된 홈이다.The rod groove 22a is a groove formed upwardly along the central portion of the piston rod 22 starting from the bottom of the piston rod 22.
상기 스토퍼(30)는 상기 실린더(20)의 피스톤로드(22)에 관통되도록 설치된다. 좀 더 자세히 설명하면, 상기 스토퍼(30)는 상기 피스톤로드(22)의 외측면에 나선결합됨으로써 피스톤로드(22)에 고정되고, 따라서 피스톤로드(22)가 상승하면 같이 상승되고 피스톤로드(22)가 하강되면 같이 하강된다. 즉, 피스톤로드(22)를 따라 승강된다.The stopper 30 is installed to penetrate the piston rod 22 of the cylinder 20. In more detail, the stopper 30 is fixed to the piston rod 22 by being helically coupled to the outer surface of the piston rod 22, so that when the piston rod 22 is raised, it is raised together and the piston rod 22 ) Is lowered together. That is, it is lifted up and down along the piston rod 22.
상기 죠홀더(40)는 상기 스토퍼(30)의 하측에 위치되는 것으로서, 상기 실린더(20)의 피스톤로드(22)에 의하여 상면 중앙부분이 관통되고 하측은 개방된다. 이러한 죠홀더(40)는 하측으로 갈수록 내부 직경이 확대되어 측단면을 보았을 때 사다리꼴과 유사한 형태를 갖는다. 상기 죠홀더(40)는 상기 스토퍼(30)에 의하여 상측으로 이동되지 않도록 지지되어 죠가이드(50)가 상승될 때 죠가이드(50)를 안내하는 역할을 수행한다.The jaw holder 40 is located at the lower side of the stopper 30, and the upper surface center portion is penetrated by the piston rod 22 of the cylinder 20, and the lower side is opened. The jaw holder 40 has a shape similar to a trapezoid when the inner diameter is enlarged toward the lower side and the side cross section is viewed. The jaw holder 40 is supported so as not to move upward by the stopper 30 to guide the jaw guide 50 when the jaw guide 50 is raised.
상기 죠가이드(50)는 상기 스토퍼(30)와 일정거리 이격되게 설치되는 것으로서, 상기 실린더(20)의 피스톤로드(22) 하단 외측면에 고정되어 피스톤로드(22)를 따라 승강된다. 이렇게 죠가이드(50)가 피스톤로드(22)를 따라 승강될 때 죠가이드(50)는 상기 죠홀더(40)의 내부에서 승강된다.The jaw guide 50 is installed to be spaced apart from the stopper 30 by a predetermined distance. The jaw guide 50 is fixed to the lower outer surface of the lower end of the piston rod 22 of the cylinder 20 to be elevated along the piston rod 22. When the jaw guide 50 is elevated along the piston rod 22, the jaw guide 50 is elevated inside the jaw holder 40.
상기와 같은 죠가이드(50)는 체결부(51)와, 상기 체결부와 일체로 형성된 몸체(52)와, 상기 몸체(52)와 일체로 형성된 날개부(53)로 구성된다.The jaw guide 50 as described above is composed of a fastening portion 51, a body 52 formed integrally with the fastening portion, and a wing portion 53 formed integrally with the body 52.
상기 체결부(51)는 원통형태로 형성되어 상기 실린더(20)의 피스톤로드(22)에 의하여 관통됨과 아울러 피스톤로드(22)의 하단 외측면에 고정된다. 좀 더 자세히 설명하면 상기 체결부(51)는 내주면에 나선이 형성되어 상기 피스톤로드(22)의 외측면에 나선결합된다. 이러한 체결부(51)는 상단이 상기 죠홀더(40)의 상면에 접촉된다. 따라서, 상기 죠홀더(40)는 피스톤로드(22)에 의하여 관통되는 상면이 상기 스토퍼(30)와 상기 죠가이드(50)의 체결부(51) 사이에 위치된다.The fastening portion 51 is formed in a cylindrical shape and is penetrated by the piston rod 22 of the cylinder 20 and fixed to the bottom outer surface of the piston rod 22. In more detail, the fastening part 51 has a spiral formed on an inner circumferential surface thereof and is spirally coupled to an outer surface of the piston rod 22. The fastening portion 51 has an upper end contacting the upper surface of the jaw holder 40. Accordingly, the jaw holder 40 has an upper surface penetrated by the piston rod 22 between the stopper 30 and the fastening portion 51 of the jaw guide 50.
상기 몸체(52)는 상기 체결부(51)의 하단에서 하측을 향하여 일체로 연장된 것으로서, 상기 피스톤로드(22)에 형성된 로드홈(22a)과 연통되도록 중앙에 삽입홈(52a)이 상하방향으로 형성된다. 그리고, 상기 몸체(52)의 상단면은 상기 피스톤로드(22)의 하단면에 접촉된다.The body 52 is integrally extended toward the lower side from the lower end of the fastening portion 51, the insertion groove 52a in the center to communicate with the rod groove 22a formed in the piston rod 22 in the vertical direction Is formed. The upper surface of the body 52 is in contact with the lower surface of the piston rod 22.
상기 날개부(53)는 상기 몸체(52)의 외측면에 일체로 일정간격을 이루며 복수개, 좀 더 자세히는 3개가 형성되는데 이러한 날개부(53)는 서로 마주보는 2개의 날개편이 한 쌍을 이루고, 이러한 한 쌍의 날개편이 일정간격으로 몸체(52) 외측면에 3개가 형성되는 것이다.The wing portion 53 is formed integrally at a predetermined interval on the outer surface of the body 52, a plurality, more in detail are formed three such wing portion 53 is a pair of two wing pieces facing each other, , A pair of such wings are formed on the outer surface of the body 52 at regular intervals.
상기와 같은 날개부(53)는 하측으로 갈수록 그 폭이 확대되는 형태를 취하기 때문에 상측은 좁고 하측은 넓은 형태를 갖는다. 그리고, 상기 날개부(53), 좀 더 자세히는 날개부(53)를 구성하는 날개편에는 상하방향으로 긴 장공(53a)이 경사지게 형성된다.The wing portion 53 as described above has a form in which the width thereof is expanded toward the lower side, so that the upper side is narrow and the lower side has a wide form. In addition, the wing portion 53, more specifically, the long piece 53a in the vertical direction is formed to be inclined in the wing piece constituting the wing portion 53.
상기 날개부(53)의 장공(53a)은 상기 죠홀더(40)의 외측면이 이루는 각도와 동일한 각도로 경사지게 형성되는 것으로서, 상기 죠(60)를 관통하는 핀(P)이 끼움된다. 이렇게 죠(60)를 관통한 핀(P)은 상기 장공(53a)에 끼움되어 장공(53a)을 따라 상하방향으로 이동된다.The long hole 53a of the wing portion 53 is formed to be inclined at an angle equal to the angle formed by the outer surface of the jaw holder 40, and the pin P penetrating the jaw 60 is fitted therein. The pin P penetrating the jaw 60 is fitted into the long hole 53a and is moved up and down along the long hole 53a.
상기 죠(60)는 상기 죠가이드(50)에 회동가능하게 3개가 설치되어 목재나 플라스틱과 같은 특정물체(M)에 박혀 있는 못을 파지한 후 상기 실린더(20)의 피스톤로드(22)가 상승할 때 못(N)을 상기 특정물체(M)로부터 뽑아내는 것이다. 좀 더 자세히 설명하면, 상기 죠(60)는 상기 날개부(53)를 구성하는 2개의 날개편 사이에 상측부가 위치되고, 동시에 상기 핀(P)이 날개편 사이에 위치되는 죠(60)의 상측부를 관통하여 핀(P)의 양단이 날개부(53)에 형성된 장공(53a)에 끼움된다. 따라서, 상기 핀(P)이 장공(53a)을 따라 상측으로 상승할 때는 상기 죠(60)의 상측부가 상기 날개부(53)의 상측으로 돌출되고, 핀(P)이 장공(53a)을 따라 하측으로 하강할 때는 죠(60)의 상측부가 상기 날개부(53)의 날개편 사이에 위치된다.Three jaws 60 are rotatably installed on the jaw guide 50 so that the piston rod 22 of the cylinder 20 is held after gripping nails embedded in a specific object M such as wood or plastic. When rising, the nail N is extracted from the specific object M. In more detail, the jaw 60 is located between the two wing pieces constituting the wing portion 53, and at the same time the pin (P) of the jaw 60 is located between the wing pieces Both ends of the pin P are fitted into the long hole 53a formed in the wing portion 53 through the upper portion. Accordingly, when the pin P rises upward along the long hole 53a, the upper portion of the jaw 60 protrudes upward of the wing portion 53, and the pin P extends along the long hole 53a. When descending to the lower side, the upper portion of the jaw 60 is positioned between the blade pieces of the wing portion 53.
한편, 상기 죠가이드(50)의 날개부(53) 상단면에는 상기 체결부(51)의 외측면을 둘러싸도록 스프링시트(70)가 설치되고, 상기 스프링시트(70)에는 코일스프링(80)이 설치된다. 따라서, 상기 코일스프링(80)의 상단은 상기 죠홀더(40)의 상면에 접촉되고 하단은 상기 날개부(53)의 상단면에 접촉된다.On the other hand, the spring seat 70 is installed on the upper surface of the wing portion 53 of the jaw guide 50 to surround the outer surface of the fastening portion 51, the coil spring 80 on the spring seat 70 This is installed. Therefore, the upper end of the coil spring 80 is in contact with the upper surface of the jaw holder 40 and the lower end is in contact with the upper surface of the wing portion 53.
이러한 코일스프링(80)은 상기 죠(60)가 날개부(53)의 상측으로 돌출되었을 때 하측으로 내려가지 않고 그 자리에 정체되어 있을 수 있기 때문에 이러한 것을 방지하기 위하여 죠(60)의 상단을 눌러 죠(60)가 하측으로 밀려 내려갈 수 있도록 탄성력을 제공한다.The coil spring 80 may be stagnant in place without falling down when the jaw 60 protrudes upward of the wing portion 53 so as to prevent the top of the jaw 60. Pressing jaw 60 provides an elastic force to be pushed downward.
상기와 같이 구성되는 본 발명에 의한 못 뽑기장치의 못뽑기 과정을 간단히 살펴보면 다음과 같다.Looking at the nail removal process of the nail pull apparatus according to the present invention configured as described above are as follows.
먼저, 목재와 같은 특정물체(M)에 박혀 있는 못(N)을 뽑기 위하여 사용자가 하우징(10)의 하단면을 특정물체(M)에 접촉되도록 놓으면, 장공(53a)의 하단에 위치하고 있던 죠(60)를 관통한 핀(P)이 장공(53a)의 상단쪽으로 이동하면서 3개의 죠(60) 끝단 사이의 간격이 벌어져 3개의 죠(60)의 끝단이 못 주위에 위치된다.First, in order to pull out the nail N embedded in a specific object M such as wood, when the user places the lower surface of the housing 10 in contact with the specific object M, it is located at the bottom of the long hole 53a. The pin P penetrating through 60 moves toward the upper end of the long hole 53a so that the gap between the ends of the three jaws 60 is widened so that the ends of the three jaws 60 are positioned around the nail.
이 상태에서 컨트롤박스(11)를 조작하여 실린더(20) 내부에 유압 또는 공압을 제공하면 실린더(20) 내부의 피스톤(21)이 상승하면서 피스톤로드(22)를 위쪽으로 잡아당긴다.In this state, when the control box 11 is operated to provide hydraulic pressure or pneumatic pressure to the inside of the cylinder 20, the piston 21 inside the cylinder 20 is raised to pull the piston rod 22 upward.
피스톤로드(22)가 위쪽으로 상승되면 피스톤로드(22)에 고정되어 있는 죠가이드(50)가 위쪽으로 상승하게 되고, 죠가이드(50)의 날개부(53)에 핀 결합되어 있던 죠(60)도 같이 상승하게 되는데, 이때, 죠가이드(50)는 죠홀더(40)의 내측면을 따라 상승된다. 이렇게 죠가이드(50)가 상승되면 죠가이드(50)에 핀 결합되어 있던 죠(60)가 못(N)을 파지한 채로 위쪽으로 상승되어 못을 뽑게 된다.When the piston rod 22 rises upward, the jaw guide 50 fixed to the piston rod 22 rises upward, and the jaw 60 is pin-coupled to the wing portion 53 of the jaw guide 50. ) Also rises, in which case the jaw guide 50 is raised along the inner surface of the jaw holder 40. When the jaw guide 50 is raised in this way, the jaw 60, which is pin-coupled to the jaw guide 50, is lifted upward while holding the nail N to pull the nail out.
만약에 못(N)의 길이가 아주 긴 경우에도 상기와 같은 못 뽑기 과정을 수차례 반복하면 긴 못(N)의 상측부가 죠가이드(50)의 몸체(52)에 형성된 삽입홈(52a)과 피스톤로드(22)에 형성된 로드홈(22a) 쪽으로 삽입되어 못(N)을 뽑을 수 있게 된다.Even if the length of the nail (N) is very long, repeating the above-mentioned nail extraction process several times and the insertion groove 52a and the upper portion of the long nail (N) formed in the body 52 of the jaw guide 50 and It is inserted into the rod groove 22a formed in the piston rod 22 so that the nail N can be pulled out.
본 발명에 따른 못 뽑기장치는 인력을 사용하지 않고 유압 또는 공압을 이용하여 목재와 같은 특정물체에 박혀 있는 못을 용이하게 뽑을 수 있는 것이어서 산업상 이용가능성이 있다.Nail pulling device according to the present invention is that it is possible to easily pull nails embedded in a specific object such as wood using hydraulic or pneumatic pressure without the use of manpower has industrial applicability.

Claims (5)

  1. 하우징(10)과;A housing 10;
    상기 하우징(10) 내부에 설치되고, 공압 또는 유압에 의하여 운동하는 피스톤(21)이 내부에 구비됨과 아울러 상기 피스톤(21)에 연결되는 피스톤로드(22)가 구비된 실린더(20)와;A cylinder (20) installed inside the housing (10) and provided with a piston (21) for moving by pneumatic or hydraulic pressure and having a piston rod (22) connected to the piston (21);
    상기 실린더(20)의 피스톤로드(22)에 관통되어 피스톤로드(22)의 외측면에 고정됨으로써 피스톤로드(22)를 따라 승강되는 스토퍼(30)와;A stopper 30 penetrating through the piston rod 22 of the cylinder 20 to be fixed to the outer surface of the piston rod 22 to be elevated along the piston rod 22;
    상기 스토퍼(30)의 하측에 위치되고, 상기 실린더(20)의 피스톤로드(22)에 의하여 상면이 관통되며, 하측으로 갈수록 내부 직경이 확대되는 죠홀더(40)와;A jaw holder (40) positioned below the stopper (30) and having an upper surface penetrated by the piston rod (22) of the cylinder (20), and having an inner diameter extending downwardly;
    상기 스토퍼(30)와 일정거리 이격되게 실린더(20)의 피스톤로드(22) 하단 외측면에 고정되어 피스톤로드(22)를 따라 승강되되, 상기 죠홀더(40)의 내부에서 승강되는 죠가이드(50)와;The stopper 30 is fixed to the lower end of the piston rod 22 of the cylinder 20 to be spaced apart from the predetermined distance is lifted along the piston rod 22, the jaw guide (elevated in the inside of the jaw holder 40) 50);
    상기 죠가이드(50)에 회동가능하게 설치되어 특정물체(M)에 박혀 있는 못(N)을 파지한 후 상기 실린더(20)의 피스톤로드(22)가 상승할 때 못(N)을 특정물체(M)로부터 뽑아내는 죠(60);를 포함하여 구성된 것을 특징으로 하는 못 뽑기장치.When the piston rod 22 of the cylinder 20 rises after holding the nail N embedded in the jaw guide 50 to be rotatable, the nail N is embedded in the specific object M. Jaw (60) to pull out from (M); nail pulling apparatus characterized in that it comprises a.
  2. 청구항 1에 있어서,The method according to claim 1,
    상기 죠가이드(50)는 상단이 상기 죠홀더(40)의 상면에 접촉되고, 상기 실린더(20)의 피스톤로드(22)에 관통됨과 아울러 피스톤로드(22)의 하단 외측면에 고정되는 체결부(51)와;The jaw guide 50 has an upper end contacting the upper surface of the jaw holder 40, a fastening part that is penetrated through the piston rod 22 of the cylinder 20 and fixed to the lower outer surface of the piston rod 22. 51;
    상기 체결부(51)의 하단에서 일체로 하측을 향하여 연장되어 형성된 몸체(52)와;A body 52 formed integrally extending downward from the lower end of the fastening part 51;
    상기 몸체(52)의 외측면에 일체로 일정간격을 이루며 형성되고, 하측으로 갈수록 그 폭이 확대되며, 죠(60)를 관통한 핀(P)이 끼움되어 이동될 수 있도록 상하방향으로 긴 장공(53a)이 경사지게 형성된 날개부(53);로 구성된 것을 특징으로 하는 못 뽑기장치.It is formed integrally at a predetermined interval on the outer surface of the body 52, the width is expanded toward the lower side, the long hole in the vertical direction so that the pin (P) penetrating through the jaw (60) can be fitted and moved Nailing device characterized in that consisting of; 53a is formed inclined wing portion 53.
  3. 청구항 2에 있어서,The method according to claim 2,
    상기 죠가이드(50)의 날개부(53) 상단에는 체결부(51)의 외주면을 둘러싸도록 스프링시트(70)가 설치되고, 상기 스프링시트(70)에는 코일스프링(80)이 설치되어 코일스프링(80)의 상단이 죠홀더(40)의 상면에 접촉되는 것을 특징으로 하는 못 뽑기장치.A spring seat 70 is installed on the top of the wing portion 53 of the jaw guide 50 so as to surround the outer circumferential surface of the fastening part 51, and a coil spring 80 is installed on the spring seat 70 to form a coil spring. Nail extraction device, characterized in that the upper end of the 80 is in contact with the upper surface of the jaw holder (40).
  4. 청구항 2에 있어서,The method according to claim 2,
    상기 실린더(20)의 피스톤로드(22)에는 상하방향으로 긴 로드홈(22a)이 형성되고, 상기 죠가이드(50)의 몸체(52)에는 상기 로드홈(22a)과 연통되는 삽입홈(52a)이 형성된 것을 특징으로 하는 못 뽑기장치.Longitudinal rod grooves 22a are formed in the piston rod 22 of the cylinder 20, and an insertion groove 52a communicating with the rod grooves 22a in the body 52 of the jaw guide 50. Nailing device, characterized in that formed.
  5. 청구항 1에 있어서,The method according to claim 1,
    상기 하우징(10)에는 투시홈(12)이 형성된 것을 특징으로 하는 못 뽑기장치.Nailing device, characterized in that the viewing groove 12 is formed in the housing (10).
PCT/KR2012/007337 2011-09-23 2012-09-13 Nail pulling device WO2013042899A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2011-0096224 2011-09-23
KR1020110096224A KR101422324B1 (en) 2011-09-23 2011-09-23 A Nail Puller Device

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WO2013042899A2 true WO2013042899A2 (en) 2013-03-28
WO2013042899A3 WO2013042899A3 (en) 2013-05-30

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104760026A (en) * 2015-04-02 2015-07-08 姜超 Pneumatic positioning assembly of hydraulic nail pulling machine
CN109048795A (en) * 2018-10-25 2018-12-21 刘伟 A kind of building iron nail nail extractor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101502525B1 (en) * 2013-08-05 2015-03-13 주식회사마이크로컴퓨팅 rivet removal device

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US3978576A (en) * 1974-08-09 1976-09-07 Glentore Timber Products Limited Nail extractor
JPH04152073A (en) * 1990-10-12 1992-05-26 Kanematsu Nnk Corp Nail puller
KR19980049012A (en) * 1996-12-19 1998-09-15 박병재 Nail plucking tool
EP1041202A1 (en) * 1999-03-31 2000-10-04 Framatome Connectors International Hydraulic spike puller.
JP2001353667A (en) * 2000-06-15 2001-12-25 Max Co Ltd Unnailing machine

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JP2006281368A (en) * 2005-03-31 2006-10-19 Daiwa House Ind Co Ltd Nail puller for plaster boards

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Publication number Priority date Publication date Assignee Title
US3978576A (en) * 1974-08-09 1976-09-07 Glentore Timber Products Limited Nail extractor
JPH04152073A (en) * 1990-10-12 1992-05-26 Kanematsu Nnk Corp Nail puller
KR19980049012A (en) * 1996-12-19 1998-09-15 박병재 Nail plucking tool
EP1041202A1 (en) * 1999-03-31 2000-10-04 Framatome Connectors International Hydraulic spike puller.
JP2001353667A (en) * 2000-06-15 2001-12-25 Max Co Ltd Unnailing machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104760026A (en) * 2015-04-02 2015-07-08 姜超 Pneumatic positioning assembly of hydraulic nail pulling machine
CN109048795A (en) * 2018-10-25 2018-12-21 刘伟 A kind of building iron nail nail extractor

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WO2013042899A3 (en) 2013-05-30
KR20130032557A (en) 2013-04-02
KR101422324B1 (en) 2014-07-22

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