WO2013042899A2 - Dispositif d'arrachage de clous - Google Patents

Dispositif d'arrachage de clous 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
Authority
WO
WIPO (PCT)
Prior art keywords
piston rod
jaw
cylinder
nail
piston
Prior art date
Application number
PCT/KR2012/007337
Other languages
English (en)
Korean (ko)
Other versions
WO2013042899A3 (fr
Inventor
양태규
Original Assignee
Yang Tae Kyu
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 Yang Tae Kyu filed Critical Yang Tae Kyu
Publication of WO2013042899A2 publication Critical patent/WO2013042899A2/fr
Publication of WO2013042899A3 publication Critical patent/WO2013042899A3/fr

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Classifications

    • 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.

Landscapes

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

Abstract

La présente invention concerne un dispositif d'arrachage de clous comprenant : un boîtier ; un cylindre installé à l'intérieur du boîtier, le cylindre comprenant un piston actionné par une pression d'air ou d'huile et une tige de piston reliée au piston ; un arrêtoir passant à travers la tige de piston du cylindre et fixé à une surface extérieure de la tige de piston de façon à monter ou descendre le long de la tige de piston ; un support de mâchoire disposé sous l'arrêtoir, le support de mâchoire présentant une surface supérieure à travers laquelle passe la tige de piston du cylindre et un diamètre intérieur augmentant progressivement vers le bas ; un guide de mâchoire fixé à une surface extérieure d'une extrémité inférieure de la tige de piston du cylindre de telle manière que le guide de mâchoire soit écarté de l'arrêtoir d'une distance prédéterminée de façon à monter ou descendre le long de la tige de piston, le guide de mâchoire montant ou descendant à l'intérieur du support de mâchoire ; et une mâchoire installée de façon pivotante sur le guide de mâchoire de façon à arracher un clou d'un objet particulier lorsque la tige de piston du cylindre monte après que la mâchoire a saisi le clou planté dans l'objet particulier. Le clou peut ainsi être facilement arraché sans utiliser une force manuelle importante.
PCT/KR2012/007337 2011-09-23 2012-09-13 Dispositif d'arrachage de clous WO2013042899A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020110096224A KR101422324B1 (ko) 2011-09-23 2011-09-23 못 뽑기장치
KR10-2011-0096224 2011-09-23

Publications (2)

Publication Number Publication Date
WO2013042899A2 true WO2013042899A2 (fr) 2013-03-28
WO2013042899A3 WO2013042899A3 (fr) 2013-05-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/007337 WO2013042899A2 (fr) 2011-09-23 2012-09-13 Dispositif d'arrachage de clous

Country Status (2)

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KR (1) KR101422324B1 (fr)
WO (1) WO2013042899A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104760026A (zh) * 2015-04-02 2015-07-08 姜超 一种液压拔钉机气动定位组件
CN109048795A (zh) * 2018-10-25 2018-12-21 刘伟 一种建筑铁钉拔钉器

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101502525B1 (ko) * 2013-08-05 2015-03-13 주식회사마이크로컴퓨팅 리벳 제거장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3978576A (en) * 1974-08-09 1976-09-07 Glentore Timber Products Limited Nail extractor
JPH04152073A (ja) * 1990-10-12 1992-05-26 Kanematsu Nnk Corp 釘抜き機
KR19980049012A (ko) * 1996-12-19 1998-09-15 박병재 못 뽑기 공구
EP1041202A1 (fr) * 1999-03-31 2000-10-04 Framatome Connectors International Extracteur hydraulique des crampons de rail
JP2001353667A (ja) * 2000-06-15 2001-12-25 Max Co Ltd 釘抜き機

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006281368A (ja) * 2005-03-31 2006-10-19 Daiwa House Ind Co Ltd 石膏ボード類の釘抜き装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3978576A (en) * 1974-08-09 1976-09-07 Glentore Timber Products Limited Nail extractor
JPH04152073A (ja) * 1990-10-12 1992-05-26 Kanematsu Nnk Corp 釘抜き機
KR19980049012A (ko) * 1996-12-19 1998-09-15 박병재 못 뽑기 공구
EP1041202A1 (fr) * 1999-03-31 2000-10-04 Framatome Connectors International Extracteur hydraulique des crampons de rail
JP2001353667A (ja) * 2000-06-15 2001-12-25 Max Co Ltd 釘抜き機

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104760026A (zh) * 2015-04-02 2015-07-08 姜超 一种液压拔钉机气动定位组件
CN109048795A (zh) * 2018-10-25 2018-12-21 刘伟 一种建筑铁钉拔钉器

Also Published As

Publication number Publication date
KR101422324B1 (ko) 2014-07-22
WO2013042899A3 (fr) 2013-05-30
KR20130032557A (ko) 2013-04-02

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