JP2008036187A - Crime prevention hanger - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To inexpensively prevent a crime against exhibited objects such as pictures or the like in an art museum or a museum with a simple constitution. <P>SOLUTION: The crime prevention hanger is constituted so that the base end of a substantially U-shaped hook is fixed to the lower surface of a locking case, and a locking rod is movably provided freely forward and backward at the locking case opposed to the front end of the hook. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a hanger that hangs exhibits such as paintings using a wire rope, and particularly has a crime prevention hanger.

  FIG. 1 and FIG. 2 show an outline of exhibitions such as paintings at art museums. 1 is a front view thereof, and FIG. 2 is a left side view thereof.

  An exhibit 1 such as a painting is suspended by a hanger 4 on a rail 3 arranged above the wall surface 2 in parallel with the ceiling.

Exhibits 1 such as art museums and museum paintings are often stolen, probably because they are famous and expensive.
JP-A-11-120450

  There is a need to enable crime prevention of exhibits such as art museums and museum paintings at a low cost with a simple structure.

  In view of the above, the present invention has a simple U-shaped hook base fixed to the lower surface of the lock case so as to enable crime prevention of exhibits such as art museums and museum paintings with a simple configuration at low cost. A security hanger with a lock rod on the lock case facing the tip of the door.

  As described above, the present invention is a security hanger in which a proximal end of a substantially U-shaped hook is fixed to the lower surface of the lock case, and a lock rod is provided in the lock case facing the tip of the hook so as to be able to advance and retract. It is possible to make crime prevention for exhibitions such as art museums and museum paintings at a low cost with a simple structure.

  The present invention will be described in detail below based on specific embodiments of the present invention shown in the accompanying drawings.

  First, the wire rope is inserted into the lock case, the wire grip mechanism is provided, and the hanger equipped with a hook makes it possible to adjust the position of the lock case relative to the wire rope after hanging the article on the hook. FIG. 3 is a cross-sectional view of a main part of a hanger having a scale that displays a height amount, the position of the lock case in the height direction being adjustable, and a scale that displays the adjustment height amount. Is a sectional view taken along line IV-IV in FIG. 3, and FIG. 5 is an exploded perspective view.

  A tubular wire grip 14 having a wire grip mechanism, which is housed in the lock case 11 and is inserted into the lower portion of the wire holding member 13 and has a wire gripping mechanism 13. An adjustment shaft member 15 screwed on the upper portion of the wire grip 14, an adjustment dial 17 positioned in a window hole 16 carved in the lower portion of the lock case 11 and screwed into the adjustment shaft member 15, and a wire holding A coil spring 18 is provided between the lower end of the member 13 and the upper end of the adjustment shaft member 15. The height of the lock case 11 with respect to the wire rope 12 is adjusted by rotating the adjustment dial 17. A scale hole 19 is engraved in the central side wall, and a scale 30 is attached to the edge surface of the scale hole 19, and the upper part of the adjustment shaft member 15 Since the hanger has a stopper pin 20 that protrudes from the middle of the adjustment shaft member 15 and is inserted into the scale hole 19 so that the adjustment amount of the height position of the lock case 11 can be understood, the wire rope 12 is Can be used to hang the article and then easily adjust its position to its height.

  The lock case 11 is a cube and contains a wire holding member 13, a wire grip 14, an adjustment shaft member 15, an adjustment dial 17, and a stopper pin 20.

  The upper end of the wire rope 12 is attached to the rail 3 via an exhibition hook or the like, and the wire holding member 13 and the adjustment shaft member 15 are inserted to extend from the lower end of the lock case 11. When the exhibit 1 is distorted and the height needs to be adjusted after the exhibit 1 is suspended, the height position of the exhibit 1 can be adjusted with respect to the wire rope 12. .

  The wire holding member 13 is formed with a thread 21 in the upper shaft portion, the lower portion is formed in a tapered surface 22 having a divergent shape, and an insertion hole 23 of the wire rope 12 is formed in the axial direction of the central shaft. is there.

  The wire grip 14 is a cylindrical body, and is formed on the tapered surface 24 so as to be fitted on the lower portion of the wire holding member 13.

  A wire grip mechanism is provided between the wire holding member 13 and the wire grip 14.

  The mounting portion of the ball 26 is a display portion of section IV-IV in FIG. 3, and the section is shown in FIG.

  Concave portions 27 are formed at positions where the tapered surfaces 22 are equally arranged. The ball 26 is placed in the recess 27 and brought into contact with the wire rope 12 positioned in the insertion hole 23, and a part of the ball 26 is protruded from the tapered surface 22.

  The wire grip 14 is externally fitted to the lower part of the wire holding member 13, and the ball 26 is pressed by the tapered surface 24. When the wire rope 12 is to be pulled upward, the wire holding member 13 is biased upward by the coil spring 18 and the ball 26 moves inward by the taper surface 24 to block the wire rope 12 from moving. To do. On the other hand, when the wire rope 12 is pushed downward, the wire holding member 13 and the ball 26 easily move downward against the urging force of the coil spring 18 and can easily push the wire rope 12 downward. When the downward pushing is stopped, the wire holding member 13 and the ball 26 are moved upward by the biasing force of the coil spring 18, and the wire holding member 13 and the wire grip 14 are integrated by the ball 26.

  The adjustment shaft member 15 has a cylindrical rod-like body at the bottom, an open cylindrical body at the top, and a thread on the inner peripheral surface of the upper part, and is screwed onto the outer periphery of the wire grip 14. An adjustment dial 17 having a disk shape and a knurl for rotation on the outer periphery is positioned in the window hole 16 below the lock case 11 and screwed into the adjustment shaft member 15.

  An elongated scale hole 19 is formed in the central side wall of the lock case 11, and a stopper pin 20 protruding from the adjustment shaft member 15 and penetrating through the intermediate portion of the adjustment shaft member 15 is projected. Insert into the scale hole 19.

  When the adjustment dial 17 is rotated clockwise, the adjustment shaft member 15 moves downward because it is a right-hand screw, and when the adjustment dial 17 is rotated counterclockwise, the adjustment shaft member 15 moves upward, and from the rail 3. The height position of the lock case 11 is adjusted with respect to the suspended wire rope 12, and the height of the exhibit 1 suspended by the hook 29 screwed and fixed to the lock case 11 is adjusted.

  To pull out the wire rope 12 from the lock case 11 and fix the state, the fixing cap 31 is screwed onto the upper portion of the wire holding member 13. When the fixing cap 31 is screwed, the length of the wire rope 12 (approximately in the range of about 1 mm) from the rail 3 of the exhibit 1 is determined.

  When the adjustment dial 17 is rotated clockwise, the stopper pin 20 is guided by the scale hole 19 and the shaft adjustment member 15 moves downward, the lock case 11 and the hook 29 move upward, and the exhibit 1 is Move upward. When the adjustment dial 17 is rotated counterclockwise, the shaft adjustment member 15 moves upward, the lock case 11 and the hook 29 move downward, and the exhibit 1 moves downward.

  A scale 30 is attached to the edge surface of the scale hole 19 so that the adjustment amount can be seen at the position of the stopper pin 20. The adjustment amount of the exhibition 1 such as a painting is preferably about 15 mm. The length of the wire rope 12 is determined with the fixing cap 31, and fine adjustment is performed with the adjustment dial 17.

  The gate pin 32 is made of a wire and is formed in a substantially V shape, is rotatably attached to the lower portion of the lock case 11, and has a function of preventing the wire of the exhibit 1 from being disconnected by the hook 29.

  The present invention allows a wire rope to be inserted into a lock case, a wire grip mechanism, and a hanger equipped with a hook to adjust the position of the lock case in the height direction with respect to the wire rope after hanging an article on the hook. It can be applied not only to hangers with scales that display the adjustment height, but also to general hangers, but here, a wire rope is inserted into the lock case, a wire grip mechanism is provided, and a hook An example in which the present invention is applied to a hanger having a scale that can adjust the position of the lock case in the height direction with respect to the wire rope after the article is hung on the hook and has a scale that displays the adjusted height amount.

  As shown in FIG. 6, the base end of a substantially U-shaped hook 29 is fixed to the lower surface of the lock case 11. A lock rod 36 is provided in the lock case 11 facing the tip 35 of the hook 29 so as to be able to advance and retract.

  When the exhibit 1 is suspended by the hanger, the wire 37 or the like from the exhibit 1 is hooked on the hook 19. In that case, in order to prevent theft, the lock rod 36 is advanced to the tip 35 of the hook 29 and is brought into contact with the tip 35 so that the wire 37 and the like are not detached from the hook 29 to prevent the exhibit 1 from being stolen.

  6 is a cross-sectional perspective view. The exhibit 1 is suspended by a wire 37 or the like, the lock rod 36 is moved downward, and is brought into contact with the tip 35 of the hook 29 to be locked. Since 37 and the like cannot be easily detached from the hook 29, it functions as a crime prevention.

  6 is a cross-sectional perspective view in which the lock rod 36 moves upward, moves away from the tip 35 of the hook 29, and the wire 37 and the like of the exhibit 1 is removed and is unlocked. Reference numeral 31 denotes a fixed cap.

  The left figure of FIG. 7 is an external perspective view, in a state where the hook 29 is locked by the lock rod 36, and the right figure of FIG. 7 is an external perspective view, which is an unlocked state.

  FIG. 8 shows a schematic cross-sectional view of the lock rod 36 and the hook 29 of the present invention.

  The base end of the hook 29 is screwed and fixed to the lower end of the lock case 11, and a lock rod 36 is provided at a position facing the front end 35 of the hook 29 so as to be able to advance and retract.

  A screw shaft portion 37 in which a thread is engraved is formed in the upper portion of the lock rod 36, and a hexagonal hole 38 for moving the lock rod 36 forward and backward is recessed in the upper end of the screw shaft portion 37. The end of the hexagonal bar is inserted into the hexagonal hole 38 and rotated to move the lock rod 36 back and forth. Instead of the hexagonal hole 38, a (−)-shaped or (+)-shaped driver groove can be formed and the lock rod 36 can be advanced and retracted using a screwdriver.

  The present invention enables crime prevention of exhibits such as art museums and museum paintings with a simple configuration at low cost.

  The size of the lock scale is 21.5 mm × 55 mm × 15 mm, the wire rope diameter is 1.5 mm, the minimum adjustment height is 87 mm, the maximum adjustment height is 102 mm, and the adjustment amount is 15 mm.

  The present invention is mainly used for crime prevention hangers for art museums and museum exhibits, but can be applied to crime prevention of supports suspended by industrial wire ropes.

It is the front view which shows the outline | summary of exhibitions, such as a picture in a museum or a museum. It is a left view of FIG. It is sectional drawing of the principal part. It is IV-IV sectional drawing of FIG. FIG. 4 is an exploded perspective view of FIG. 3. The left figure of FIG. 6 is a cross-sectional perspective view. The exhibit is suspended by a wire or the like, the lock rod is moved downward, and is brought into contact with the tip of the hook to be locked. It does not come off and fulfills the function of crime prevention. The right figure of FIG. 6 is a cross-sectional perspective view in which the lock rod moves upward, moves away from the tip of the hook, the wire of the exhibit is removed, and the unlocked state. The left figure in FIG. 7 is an external perspective view, and the hook is locked with a lock rod, and the right figure in FIG. 7 is an external perspective view, in an unlocked state. FIG. 8 shows a schematic cross-sectional view of the lock rod and hook portion of the present invention.

Explanation of symbols

11 ... Lock case 36 ... Lock rod 35 ... Tip

Claims (1)

  A security hanger in which a proximal end of a substantially U-shaped hook is fixed to the lower surface of the lock case, and a lock rod is provided on the lock case facing the tip of the hook so as to be freely advanced and retracted.

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