JP6149243B2 - Pachinko nail removal tool - Google Patents

Description

  The present invention is a tool for removing pachinko nails from a board surface of a pachinko machine when a plurality of pachinko nails arranged on the board surface of a pachinko machine that is a gaming machine is broken and needs to be replaced.

  Conventionally, a plurality of pachinko nails are arranged on the surface of the pachinko machine so as to be a pachinko ball path. When the head broke due to the impact of a pachinko ball, this pachinko nail was struck from the front to the back of the pachinko board using a punch and a hammer.

  However, when using a punch and hammer to knock out the surface of the pachinko machine from the front side to the back side, remove the board, wiring, carver, etc. that are located on the back side of the pachinko machine. There was a need to do the work. In addition, the use of punches and hammers could damage the surface of the pachinko machine board, and the work was carried out carefully.

  In order to solve this conventional problem, pliers dedicated to removing pachinko nails have been developed for extracting pachinko nails from the surface side of the board surface of the pachinko machine. This pliers was a thin pliers, and was provided with a T-shaped groove for catching the nail on the pachinko board surface from the center point of the clamp part tip of the pachinko nail (see Patent Document 1).

JP 2000-6052 A

  The invention described in Patent Document 1 can be extracted when a part of the pachinko nail protrudes from the surface side of the pachinko board surface, and can exert its effect. When it broke inside, it could not be pinched by the clamp and the pachinko nail could not be taken out.

  Also, recent board surfaces of pachinko machines are mainly made of plastic instead of wood, and considerable force is required to remove pachinko nails from the board surface of pachinko machines.

  In view of the above points, the present invention can remove a pachinko nail even when a part of the pachinko nail does not protrude from the surface side of the pachinko board surface, and in a short time without damaging the board surface of the pachinko machine. An object of the present invention is to provide an inexpensive pachinko nail removal tool that eliminates the cost and does not increase the cost.

  The invention of claim 1 is a pachinko nail removal tool for removing a pachinko nail disposed on a board surface of a pachinko machine by extruding it from the front side of the board surface of the pachinko machine to the back side, the removal tool having a hollow cylindrical shape. A case body, a hammer body slidably inserted into the case body in an axial direction, one end projecting outward from the case body, and the other end facing the front surface of the hammer body And a nail pusher inserted in the case main body so as to be slidable in the axial direction, an elastic body arranged in the case main body so as to contact a rear surface opposite to the front surface of the hammer body, and the nail In a state where the nail pusher is disposed between the pusher and the hammer body and the nail pusher is not pushed to a predetermined position, the locked state is maintained, and the nail pusher is pushed to a predetermined position. The locked state is released It is characterized by having a trigger means for allowing the pressure of the hammer the nail push bodies in the direction to project from the case body.

  The pachinko nail removal tool according to the present invention has the above-described configuration, so that it is not necessary to remove the substrate, wiring, carver, etc. disposed on the back surface of the pachinko machine, and is installed on the pachinko machine. In this state, the pachinko nail removal tool can be removed by simply pressing the nail pusher into the nail hole after holding the nail pusher against the target nail. .

  Therefore, since the pachinko nail can be removed in a short time, the efficiency of the pachinko nail replacement operation can be improved. Further, a pachinko nail removal tool that can be manufactured at a low cost with a simple structure and does not increase in cost can be provided.

  According to a second aspect of the present invention, in the first aspect of the invention, the trigger means returns to the locked state again when the nail pusher is removed from the nail hole on the board surface of the pachinko machine after the locked state is released. It is characterized by having functions.

  Therefore, since the removal of the plurality of pachinko nails can be performed continuously, the efficiency of the replacement operation of the pachinko nails can be further improved.

  According to a third aspect of the present invention, in the first or second aspect of the invention, the nail pusher includes a columnar nail push portion having a diameter that can be inserted into a nail hole formed on the surface side of the pachinko machine. A cylindrical slide part, which is inserted into the case main body so as to be slidable in the axial direction, and a conical inclined surface part formed between the slide part and the nail pushing part are integrally formed. It is characterized by that.

  By forming a conical inclined surface part between the nail pushing part and the slide part of the nail pushing body, the load applied to the end opposite to the tip of the nail pushing part is reduced, and the nail pushing part is bent or Breakage can be prevented. In addition, by integrally forming the nail pushing portion, the inclined surface portion, and the slide portion, it is possible to cope with a large load.

According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, the nail pushing body is provided with a board surface protector having a cushion member having elasticity capable of contacting the board surface side of the pachinko machine. It is characterized by being.

When using the pachinko nail removal tool, the cushion member with the elasticity of the board protector comes into contact with the front side of the pachinko board, so that the nail pusher does not directly touch the front side of the pachinko board. The nailing operation can be performed without damaging the board surface. In addition, by attaching the panel protector to the nail pushing part of the nail pusher, it is possible to prevent the pachinko nail hole from becoming large during the nail pulling operation, and a new pachinko nail is again attached to the hole of the pachinko nail from which the nail is removed. Can be attached.

  According to the first aspect of the present invention, the efficiency of the pachinko nail replacement operation can be improved, and a pachinko nail removal tool that can be manufactured at low cost and does not increase in cost can be provided. In the invention of claim 2, the efficiency of the replacement operation of the pachinko nails can be further improved. Further, in the invention of claim 3, the load applied to the end opposite to the tip of the nail pushing portion can be reduced, and bending or breaking can be prevented. In the invention of claim 4, since the nail pusher does not directly touch the front side of the board surface of the pachinko machine, the nail extraction operation can be performed without damaging the board surface.

It is sectional drawing of the removal tool of the pachinko nail which concerns on this invention. (A) is a perspective view of a nail pushing body. (B) is a front view of the nail pusher, and (c) is a right side view thereof. (A) is a perspective view of the state which installed the board surface protector in the nail pushing body. (B) is a front view of the state which installed the board surface protection body in the nail pushing body, (c) is the same right view. (A) is a cross-sectional view of a state in which the spring A is mounted on the trigger member A. FIG. (B) is the figure which looked at the state where spring A was attached to trigger member A from the front direction, and (c) was the figure which looked at the state where spring A was attached to trigger member A from the back direction. (A) is a perspective view of the trigger member B. FIG. (B) is a front view of trigger member B, (c) is an AA sectional view of (b). (A) is a perspective view of a hammer body. (B) is a front view of a hammer body, (c) is BB sectional drawing of (b). It is sectional drawing which shows the use condition of the removal tool of the pachinko nail which concerns on this invention. It is sectional drawing which shows the use condition of the removal tool of the pachinko nail which concerns on this invention.

  Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a cross-sectional view showing a pachinko nail removal tool according to the present invention. In the drawing, the parallel oblique lines indicating the cross section are omitted. As shown in this figure, the pachinko nail removal tool 10 includes a front hollow case body 1A and a central hollow case body 1B, which are male screws formed on the front hollow case body 1A. A female screw 10e formed on the hollow case body 1B at the center is coupled to 10d by screwing. The central hollow case body 1B and the rear hollow case body 1C are formed on the rear hollow case body 1C on the male screw 10f formed on the central case body 1B. The female screw 10g is connected by screwing.

  A hammer body 7 is inserted into the hollow portion 10b of the hollow case body 1B at the center so as to be slidable in the axial direction. As will be described later, the hammer body 7 has a cylindrical shape in which a groove is formed on one surface, and the surface on which the groove is formed constitutes the front surface. Further, a spring B8, which is an elastic body, is arranged so that one end portion 8a abuts on the rear surface opposite to the front surface of the hammer body 7, and the other end portion 8b side of the spring B8 is disposed on the rear side. The hollow case body 1C is accommodated in the hollow portion 10c, and the end portion 8b is in contact with the bottom portion of the hollow portion 10c. A coiled compression spring may be used as the spring B8. In addition, the screwing between the rear hollow case body 1C and the central hollow case body 1B is loosened to increase the total length of the hollow portion 10b and the hollow portion 10c. it can. In this state, the spring B8 extends in the hollow portion, and the pressing force to the hammer body 7 can be weakened.

  A trigger member B6 is inserted into the hollow portion 10b of the central hollow case body 1B. As will be described later, the trigger member B <b> 6 has a cylindrical shape having a through hole in the center, and is installed in a state where one surface is opposed to the front surface of the hammer body 7. An inclined surface is formed around the through hole on the other surface.

  The nail pusher 2 projects from the opening of the front end of the hollow case body 1A to the outside, and the other end of the hammer body 7 is placed on the front hollow case body 1A. It is slidably inserted in the axial direction in the front hollow case body 1A in a state of being opposed to the front surface. Further, the trigger member A4 is inserted so as to contact the other end of the nail pusher 2. Furthermore, a spring A5 is fixed to the trigger member A4. In addition, a board surface protector 3 including a cushion member 31 and a stopper member 32 is mounted in the vicinity of one end of the nail pusher 2.

  FIG. 2A is a perspective view of the nail pusher 2. FIG. 2 (b) is a front view of the nail pusher 2, and FIG. 2 (c) is a right side view thereof. As shown in these drawings, the nail pusher 2 includes a columnar nail push portion 21 having a diameter that can be inserted into a nail hole drilled on the front surface side of the pachinko machine, and a hollow shape that is partially forward. A cylindrical slide portion 23 that is slidably inserted in the case body 1A in the axial direction, and an inclined surface portion 22 formed between the slide portion 23 and the nail pushing portion 21 and having a conical inclined surface. It is integrally formed.

  Further, the nail pusher 2 has a slip prevention portion 24 at the end of the slide portion 23 having a diameter larger than the diameter of the slide portion 23 and the diameter of the opening formed at the front end of the front hollow case body 1A. The nail pusher 2 is prevented from slipping out of the opening formed at the front end of the front hollow case body 1A.

  Furthermore, a pressing surface 24a is formed at the end of the nail pusher 2 preventing part 24, and the pressing surface 24a is pressed in contact with the pressing surface of the trigger member A4. .

  A nail pushing surface 21a is formed at the tip of the nail pushing portion 21 of the nail pushing body 2, and this nail pushing surface 21a is brought into contact with the tip of the nail to be removed. If the boundary between the nail pushing surface 21a and the circumferential surface of the cylindrical nail pushing portion 21 has an acute angle, the circumferential surface of the nail hole may be scraped off when the nail is removed, and the nail hole may be enlarged. Therefore, a round process is applied to the boundary portion between the nail pushing surface 21a and the circumferential surface of the cylindrical nail pushing portion 21.

  FIG. 3A is a perspective view of a state in which the board surface protector 3 is installed on the nail pusher 2. FIG. 3B is a front view of a state in which the board surface protector 3 is installed on the nail pusher 2, and FIG. 3C is a right side view thereof. As shown in these drawings, the board surface protector 3 includes a cushion member 31 formed of an elastic body and a stopper member 32. The stopper member 32 is formed with a through hole 32a. The diameter of the through hole 32a is larger than the diameter of the columnar nail pushing portion 21 and smaller than the diameter of the columnar slide portion 23. That is, the stopper member 32 is structured to be locked by the inclined surface portion 22 of the nail pusher 2. The stopper member 32 may be made of metal such as a washer.

  The cushion member 31 has a through hole 31a, and the diameter of the through hole 31a is substantially the same as the diameter of the columnar nail pushing portion 21. The cushion member 31 may be made of an elastic material such as rubber, and the elasticity prevents the front surface from being scratched when contacting the front surface of the pachinko board. I have to.

  Fig.4 (a) is sectional drawing of the state which mounted | wore the trigger member A4 which comprises some trigger means of this invention with the spring A5. FIG. 4B is a view of the state in which the spring A5 is mounted on the trigger member A4 as viewed from the front direction, and FIG. 4C is a view of the state in which the spring A5 is mounted on the trigger member A4 as viewed from the back side. FIG. As shown in these drawings, the trigger member A4 is formed with a pressing surface 41 that contacts the pressing surface 24a of the nail pusher 2 described above at the tip. Reference numeral 42 denotes a locking protrusion that locks one end of the spring A5, and reference numeral 46 denotes an outer peripheral surface formed behind the locking protrusion 42. Reference numeral 43 is a conical inclined surface formed behind the outer peripheral surface 46. Further, a cylindrical pressing rod 44 accommodated in the accommodation hole 72 of the hammer body 7 is formed behind the conical inclined surface 43, and the pressing surface formed at the end of the pressing rod 44 45 has a structure in contact with a trigger member B described later.

  In the spring A5, the diameter of the fixed portion 51 at the tip is smaller than the diameter of the rear compression portion 52, and the fixed portion 51 is installed in contact with the locking projection 42 and the outer peripheral surface 46 of the trigger member A4. Yes. In this installed state, the trigger member A4 is installed such that the longitudinal axis thereof is not parallel to the longitudinal axis of the compression portion 52 of the spring A5. That is, when the spring A5 is not compressed, the pressing surface 45 is in contact with a part of the inclined surface of the trigger member B described later. The elastic force of the spring A5 is designed to be smaller than the elastic force of the spring B8 described above.

  Fig.5 (a) is a perspective view of trigger member B6 which comprises a part of trigger means. FIG.5 (b) is a front view of trigger member B6, and FIG.5 (c) is AA sectional drawing of (b). As shown in these drawings, the trigger member B6 has a cylindrical shape having an outer peripheral surface 63, and a through-hole 62 is formed, and one end surface where the through-hole 62 is formed is inclined. A surface 61 is formed. Further, the diameter of the through hole 62 is formed larger than the outer peripheral surface 46 of the trigger member A4 described above. The other end face 64 is installed in the hollow portion 10b of the hollow case body 1B at the center with the front face 71 of the hammer body 7 facing the front face 71.

  FIG. 6A is a perspective view of the hammer body 7. 6B is a front view of the hammer body 7, and FIG. 6C is a cross-sectional view taken along line BB in FIG. 6B. As shown in these drawings, the hammer body 7 has a cylindrical shape having an outer peripheral surface 74 and is formed with an accommodation hole 72. The accommodation hole 72 is a hole for accommodating the pressing rod 44 of the trigger member A4 described above, and a pressing surface 72a is formed at the bottom. The front surface 71 on the side where the accommodation hole 72 is formed is installed in the hollow portion 10b of the hollow case body 1B at the center in a state where the front surface 71 faces the end surface 64 of the trigger member B6. Further, the rear surface 73 of the hammer body 7 is installed so as to contact the end 8a of the spring B8 (see FIG. 1).

  7 and 8 are cross-sectional views showing a use state of the pachinko nail removal tool according to the present invention. In the drawing, the parallel oblique lines indicating the cross section are omitted. 7 and 8 is a board surface of the pachinko machine. Reference numeral 9a is the front surface, 9b is the back surface, and 9c is a hole in the pachinko nail. Reference numeral 11 denotes a pachinko nail with a broken head, and 11a denotes a male screw formed on the pachinko nail.

  As shown in FIG. 7, the nail pushing surface 21 a at the tip of the nail pushing portion 21 of the nail pusher 2 of the pachinko nail removal tool is brought into contact with the tip of the nail 11 to be removed. In this state, the pressing surface 45 of the trigger member A4 is in a state of contacting a part of the inclined surface 61 of the trigger member B6, that is, in a locked state. Then, when the operator holds the hollow case body 1C with one hand and presses it in the direction of the nail hole, one end of the nail pusher 2 is relatively moved forward to the hollow case body. It is pushed into 1A. Then, the pressing surface 24a of the nail push body 2 presses the pressing surface 41 of the trigger member A4, and the spring A5 is gradually compressed. When the spring A5 is compressed, the end of the compression part 52 comes into contact with the inclined surface 61 of the trigger member B6, and the longitudinal axis of the trigger member A4 is the longitudinal axis of the compression part 52 of the spring A5. Gradually approaching parallel. When the nail pusher 2 is pushed to a predetermined position, the pressing rod 44 of the trigger member A4 is accommodated in the accommodation hole 72 of the hammer body 7, and the locked state is released.

  When the locked state is released, as shown in FIG. 8, the hammer body 7 biased by the spring B8 causes the nail pusher 2 to protrude from the front hollow case body 1A via the trigger member A. Press on. That is, the pressing surface 72a of the hammer body 7 presses the pressing surface 45 of the pressing rod 44 of the trigger member A4, and the pressing surface 41 of the trigger member A4 presses the pressing surface 24a of the nail pressing body 2. Then, the nail pushing surface 21a at the tip of the cylindrical nail pushing portion 21 of the nail pushing body 2 enters the inside of the hole 9C of the pachinko nail and the pachinko nail 11 whose head is broken is the back surface 9b of the board surface 9 of the pachinko machine. By being released from the side, it is removed from the board surface 9 of the pachinko machine. That is, the pachinko nail 11 cannot be removed from the board surface only by the elastic force of the spring A5, but the pachinko nail 11 can be removed from the board surface by applying the elastic force of the spring B8. The elastic force of the spring B8 can be weakened by loosening the screw engagement between the rear hollow case body 1C and the central hollow case body 1B.

  When the locked state is released, the board surface protector 3 is such that the cushion member 31 comes into contact with the surface 9a of the board surface 9 of the pachinko machine. Prevents scratches. Further, the stopper member 32 disposed behind the cushion member 31 is structured to be locked by the inclined surface portion 22 of the nail pusher 2, and the inclined surface portion 22 of the nail pusher 2 is located inside the hole 9 </ b> C of the pachinko nail. The board surface protector 3 is installed on the nail pusher 2 in such a size that it does not enter the nail.

  When the removal of the pachinko nail 11 with the broken head is completed, the cylindrical nail pushing portion 21 of the pachinko nail removal tool 10 is pulled out from the hole 9C of the pachinko nail. At this time, the trigger member A4 moves in a direction in which the nail pusher 2 protrudes from the front hollow case body 1A by the bias of the spring A5 constituting the trigger means. By the movement of the trigger member A4 in the case body, the pressing rod 44 of the trigger member A4 is separated from the accommodation hole 72 of the hammer body 7, and the pachinko nail removal tool 10 returns to the locked state shown in FIG. To do.

  Therefore, the pachinko nail removal tool 10 according to the present invention can perform the removal operation of the pachinko nail 11 with a plurality of broken heads continuously, and perform the disassembly and the like to perform the setting operation to the locked state. Since it is not necessary, the work efficiency is high.

  The pachinko nail removal tool of the present invention is for removing pachinko nails from the board surface of the pachinko machine when a plurality of pachinko nails arranged on the board surface of the pachinko machine that is a gaming machine is broken and needs to be replaced. Used as a tool.

1A, 1B, 1C Case body 2 Nail pusher 3 Board surface protector 4 Trigger member A
5 Spring A
6 Trigger member B
7 Hammer body 8 Spring B
9 Board surface of pachinko machine 10 Pachinko nail removal tool 10a, 10b, 10c Hollow part 11 Pachinko nail

Claims (4)

A pachinko nail removal tool that removes a pachinko nail arranged on the board surface of the pachinko machine by extruding it from the front side of the board surface of the pachinko machine to the back side, the removal tool comprising:
A hollow cylindrical case body;
A hammer body slidably inserted into the case body in the axial direction;
A nail pusher inserted into the case body so as to be slidable in the axial direction with one end projecting outward from the case body and the other end facing the front surface of the hammer body;
An elastic body arranged in the case body so as to abut on the rear surface opposite to the front surface of the hammer body;
When the nail pusher is placed between the nail pusher and the hammer body and the nail pusher is not pushed to a predetermined position, the locked state is maintained and the nail pusher is pushed to a predetermined position. A pachinko nail removal tool, comprising: a trigger unit that is unlocked in a state and allows the hammer body to be pressed in a direction in which the nail pusher projects from the case body.   The trigger means has a function of returning to the locked state again when the nail pusher is removed from the nail hole on the board surface of the pachinko machine after the locked state is released. The pachinko nail removal tool described.   The nail pusher has a cylindrical nail pusher having a diameter that can be inserted into a nail hole drilled on the surface side of the pachinko machine, and a circle that is partially slidably inserted into the case body in the axial direction. The pachinko nail according to claim 1 or 2, wherein a columnar slide portion and a conical inclined surface portion formed between the slide portion and the nail pushing portion are integrally formed. Removal tool. The board surface protector which has the cushion member provided with the elasticity which can contact the board surface front side of a pachinko stand is installed in the nail pushing body, The any one of Claims 1-3 characterized by the above-mentioned. Pachinko nail removal tool.

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