JP4871383B2 - Key with multiple board sets - Google Patents

Description

  The present invention relates to a key, and more particularly to a key provided with a plurality of panels that can be provided at a door of an entrance and can be controlled to be opened and closed.

  The key of the conventional rotating board only comprises a set of board bodies including four board bodies.

  Therefore, there are relatively few combinations of numbers for unlocking, which can be easily unlocked, and safety is not preferable.

  In order to remedy the shortcomings of the single board key described above, a key with a multi-stage board set was invented.

  The key comprises two or more sets of board bodies.

  Therefore, the combination of numbers for unlocking has been greatly increased and it has become difficult to unlock, so that it has relatively favorable safety.

  However, as a result of a long-term use test, a number of problems to be improved have been found in the key including the above-described multi-stage board set.

  For example, since all conventional keys are formed in an adjacent manner, the overall connection strength is relatively weak.

  For this reason, if a strong force is applied, it is easy to break, and a special close installation facility is required.

  Therefore, the assembly is relatively troublesome and the cost increases.

  In addition, since there is no interference when rotating each board, the number necessary for unlocking can be easily found by changing the sound using an electronic sound collector or a stethoscope.

  It is an object of the present invention to provide a key including a plurality of sets of board bodies each having a plurality of sets of board bodies that are independent and interfere with each other and have relatively preferable safety.

Therefore, the present inventor has conducted extensive research in view of the drawbacks found in the prior art, and as a result, the key seat, the connection seat, the first number transmission board, the second number transmission board, and the first board body set. And a second plate body set, a plurality of first screws, a plurality of second screws, and a third screw,
The key seat includes a seat body and a tubular body extending from the seat body, the seat body includes a plurality of holes, the tubular body penetrates the door plate, and the outside of the edge portion. Is provided with a thread groove step,
The connection seat includes a first housing, a second housing, and a third housing, the first housing having a screw hole formed in the center, two edge screw holes, and a plurality of screw holes. Through which the central screw hole is provided for screwing the screw groove step of the key seat tube, and a first space is formed between the second housing and the first housing. The second housing includes a shaft groove and a shaft hole, the shaft groove is provided so that the second housing is located on a side surface facing the first space, and the shaft hole is disposed on the other side. Provided through the shaft groove on the side surface, a second space is formed between the third housing and the second housing, the third housing is provided through the shaft hole,
The first number transmission board includes a first turntable and a drive tube, the first turntable is provided so as to be positioned outside the seat of the key seat, and the drive tube is a tube of the key seat. The drive tube has one end connected to the first turntable, and a convex step provided at the other end is provided rotatably in the shaft groove of the second housing,
The second signal transmission board comprises a second rotary board and a drive shaft, the second rotary board is provided so as to be located outside the first rotary board, and the drive shaft is connected to the drive tube and the second shaft. It is provided in the shaft hole of the body so as to be rotatable, and one end of the drive shaft is connected to the second rotating disk, and the other end is provided with a convex step provided rotatably in the shaft hole of the third casing. A thread groove step is provided at a position corresponding to the second space on the outer side of the shaft, and an edge screw hole is provided on an edge surface of the Totsu step,
The first board body set is a board body that is rotated by engaging at least two or more mutually, and a notch opening is provided in an outer peripheral edge portion of each board body, and the board body has a shaft portion. The shaft portion penetrates the screw hole and is screwed to be screwed into the screw groove step of the drive tube, and the remaining disk bodies are provided rotatably on the shaft portion,
The second board set is a board body that rotates by engaging at least two or more, and a notch opening is provided in an outer peripheral edge of each board body, and the board body includes a shaft portion. The shaft portion passes through the screw hole and is provided to be screwed into the thread groove step of the drive tube, and the remaining disk bodies are respectively provided rotatably on the shaft portion,
The plurality of first screws respectively penetrate the plurality of holes and the door plate of the seat body, and are screwed into the two edge screw holes of the first casing,
The plurality of second screws respectively penetrate the plurality of through holes of the first housing and screw onto the door plate,
Focusing on the fact that the third screw can solve the problem by the structure of a key having a plurality of panel sets in which the edge screw of the end edge of the drive shaft is screwed from the outside of the third casing, and such knowledge The present invention was completed based on the above.

The present invention will be specifically described below.
A key comprising a plurality of board sets according to claim 1 includes a key seat, a connection seat, a first number sending board, a second number sending board, a first board set, and a second board body. A set, a plurality of first screws, a plurality of second screws, and a third screw;
The key seat includes a seat body and a tubular body extending from the seat body, the seat body includes a plurality of holes, the tubular body penetrates the door plate, and the outside of the edge portion. Is provided with a thread groove step,
The connection seat includes a first housing, a second housing, and a third housing, the first housing having a screw hole formed in the center, two edge screw holes, and a plurality of screw holes. Through which the central screw hole is provided for screwing the screw groove step of the key seat tube, and a first space is formed between the second housing and the first housing. The second housing includes a shaft groove and a shaft hole, the shaft groove is provided so that the second housing is located on a side surface facing the first space, and the shaft hole is disposed on the other side. Provided through the shaft groove on the side surface, a second space is formed between the third housing and the second housing, the third housing is provided through the shaft hole,
The first number transmission board includes a first turntable and a drive tube, the first turntable is provided so as to be positioned outside the seat of the key seat, and the drive tube is a tube of the key seat. The drive tube has one end connected to the first turntable, and a convex step provided at the other end is provided rotatably in the shaft groove of the second housing,
The second signal transmission board comprises a second rotary board and a drive shaft, the second rotary board is provided so as to be located outside the first rotary board, and the drive shaft is connected to the drive tube and the second shaft. It is provided in the shaft hole of the body so as to be rotatable, and one end of the drive shaft is connected to the second rotating disk, and the other end is provided with a convex step provided rotatably in the shaft hole of the third casing. A thread groove step is provided at a position corresponding to the second space on the outer side of the shaft, and an edge screw hole is provided on an edge surface of the Totsu step,
The first board body set is a board body that is rotated by engaging at least two or more mutually, and a notch opening is provided in an outer peripheral edge portion of each board body, and the board body has a shaft portion. The shaft portion penetrates the screw hole and is screwed to be screwed into the screw groove step of the drive tube, and the remaining disk bodies are provided rotatably on the shaft portion,
The second board set is a board body that rotates by engaging at least two or more, and a notch opening is provided in an outer peripheral edge of each board body, and the board body includes a shaft portion. The shaft portion passes through the screw hole, and is provided to be screwed into the thread groove step of the drive tube, and the remaining disk bodies are provided on the shaft portion so as to be freely rotatable,
The plurality of first screws respectively penetrate the plurality of holes and the door plate of the seat body, and are screwed into the two edge screw holes of the first casing,
The plurality of second screws respectively penetrate the plurality of through holes of the first housing and screw onto the door plate,
The third screw is screwed to the end screw of the end portion of the drive shaft from the outside of the third housing.

  A key comprising a plurality of board sets according to claim 2, wherein the connection seat in claim 1 comprises two fourth casings spaced in parallel from the side surface of the first casing, Two fourth casings are connected to both ends of the second casing and the third casing, respectively, and a plurality of projections are formed on the outer peripheral edge of each of the first board set and the second board set. And at least one interference piece is connected to the fourth housing, the interference piece is at least one elastic piece, and the slope extends and one end is at the edge of the board. Abut.

  According to a third aspect of the present invention, there is provided a key having a plurality of board sets, wherein the interference piece according to claim 2 comprises a fixed piece extending from an elastic piece, and the fixed piece is placed on the fourth pair with a plurality of screws. Screw.

A key having a plurality of board sets according to claim 4 is characterized in that the first board set according to claim 3 includes a positioning nut, and is arranged on a shaft portion of one board of the first board set. Comprises a positioning screw hole for screwing the positioning nut, the edge of the positioning nut abuts on the screw groove step of the drive tube, and the disc body is fixed to the drive tube,
The second board set includes a positioning nut, and a positioning screw hole is provided for screwing the positioning nut on the shaft part of one board body of the second board set, and the edge of the positioning nut is driven. Abutting on the screw thread step of the shaft, the board is firmly fixed on the drive shaft.

  The key having a plurality of board sets according to the present invention has an effect of having preferable safety.

The present invention is a key that includes a plurality of sets of board bodies that are independent of each other and that interfere with each other and that have a relatively favorable safety, and includes a key seat, a connection seat, It includes a first number transmission board, a second number transmission board, a first board body set, a second board body set, a plurality of first screws, a plurality of second screws, and a third screw. ,
The key seat includes a seat body and a tubular body extending from the seat body, the seat body includes a plurality of holes, the tubular body penetrates the door plate, and the outside of the edge portion. Is provided with a thread groove step,
The connection seat includes a first housing, a second housing, and a third housing, the first housing having a screw hole formed in the center, two edge screw holes, and a plurality of screw holes. Through which the central screw hole is provided for screwing the screw groove step of the key seat tube, and a first space is formed between the second housing and the first housing. The second housing includes a shaft groove and a shaft hole, the shaft groove is provided so that the second housing is located on a side surface facing the first space, and the shaft hole is disposed on the other side. Provided through the shaft groove on the side surface, a second space is formed between the third housing and the second housing, the third housing is provided through the shaft hole,
The first number transmission board includes a first turntable and a drive tube, the first turntable is provided so as to be positioned outside the seat of the key seat, and the drive tube is a tube of the key seat. The drive tube has one end connected to the first turntable, and a convex step provided at the other end is provided rotatably in the shaft groove of the second housing,
The second signal transmission board comprises a second rotary board and a drive shaft, the second rotary board is provided so as to be located outside the first rotary board, and the drive shaft is connected to the drive tube and the second shaft. It is provided in the shaft hole of the body so as to be rotatable, and one end of the drive shaft is connected to the second rotating disk, and the other end is provided with a convex step provided rotatably in the shaft hole of the third casing. A thread groove step is provided at a position corresponding to the second space on the outer side of the shaft, and an edge screw hole is provided on an edge surface of the Totsu step,
The first board body set is a board body that is rotated by engaging at least two or more mutually, and a notch opening is provided in an outer peripheral edge portion of each board body, and the board body has a shaft portion. The shaft portion penetrates the screw hole and is screwed to be screwed into the screw groove step of the drive tube, and the remaining disk bodies are provided rotatably on the shaft portion,
The second board set is a board body that rotates by engaging at least two or more, and a notch opening is provided in an outer peripheral edge of each board body, and the board body includes a shaft portion. The shaft portion passes through the screw hole, and is provided to be screwed into the thread groove step of the drive tube, and the remaining disk bodies are provided on the shaft portion so as to be freely rotatable,
The plurality of first screws respectively penetrate the plurality of holes and the door plate of the seat body, and are screwed into the two edge screw holes of the first casing,
The plurality of second screws respectively penetrate the plurality of through holes of the first housing and screw onto the door plate,
The third screw is concretely implemented in order to detail the structure and characteristics of a key including a plurality of panel sets in which the end screw of the end of the drive shaft is screwed from the outside of the third casing. An example will be described below with reference to the drawings.

1 to 4 are explanatory views showing a key having a plurality of board sets of the present invention.

  The key of the present invention includes a key seat 10, a connection seat 20, a first number transmission board 30, a second number transmission board 40, a first board set 50, a second board set 60, and four pieces. Interference piece 70, two first screws 80, two second screws 81, and a third screw 82.

  The key seat 10 includes a seat body 11 and a tube body 12 extending from the seat body 11.

  The seat body 11 has two holes 13, and the tube body 12 penetrates the door plate 90 and is provided with a thread groove step 14 on the outer side of the end edge portion.

  The connection seat 20 includes a first housing 21, a second housing 22, a third housing 23, and two fourth housings 24.

  The first casing 21 includes a screw hole 210 formed at the center, two end screw holes 211 formed at the outer peripheral edge of the screw hole 210, and two through holes formed at the end edge. 212.

  The screw hole 210 formed in the center serves to tightly screw the thread groove step 14 of the tube body 12.

  A first space 20 a is formed between the second housing 22 and the first housing 21.

  The second housing 22 is provided with a shaft groove 220 on a side surface facing the first space 20a and a shaft hole 221 penetrating the shaft groove 220 on the other side surface.

  A second space 20 b is formed between the third housing 23 and the second housing 22.

  The third housing 23 has a shaft hole 230 therethrough.

  The fourth casing 24 extends in parallel from the first casing 21 and is connected to both ends of the second casing 22 and the third casing 23, respectively.

  The first number transmission board 30 includes a first rotary board 31, a drive tube 32, and a positioning nut 33.

  The first rotating disk 31 is provided on the outer side surface of the seat body 11, and an annular number is written on the outer peripheral edge of the surface facing the outside, and the shaft is projected and extended on the surface facing the inner side. A portion 310 is provided.

  The shaft portion 310 includes a fixing screw hole 311 and a positioning screw hole 312 provided on a side surface.

  The drive tube 32 is rotatably provided in the tube body 12, and a fixing screw groove 320 provided at one end is provided for screwing into the fixing screw hole 311, and a convex step 321 provided at the other end is provided as an axial groove. 220 is provided to be freely rotatable.

  On the outer peripheral surface of the drive tube 32, a thread groove step 322 is provided at a position corresponding to the first space 20a.

  The positioning nut 33 is provided for screwing into the positioning screw hole 312. Therefore, the first turntable 31 is firmly fixed on the drive tube 32, and both can be easily disassembled.

  The second number transmission board 40 includes a second rotary board 41, a drive shaft 42, and a positioning nut 43.

  The second turntable 41 is provided so as to be located outside the first turntable 31, and numerals are written in an annular shape on the outer peripheral edge of the side surface facing the outside, and in the center on the side surface facing the inside. A protruding shaft portion 410 is provided.

  The shaft portion 410 includes a fixing screw hole 411 and a positioning screw hole 412 provided on a side surface.

  The drive shaft 42 is rotatably provided in the drive tube 32 and the shaft hole 221, a fixing screw step 420 is provided at one end thereof, and is provided to be screwed into the fixing screw hole 411, and a convex provided at the other end. The step 421 is provided to be rotatably provided in the shaft hole 230.

  On the outer peripheral surface of the drive shaft 42, a screw groove step 422 is provided at a position corresponding to the second space 20b, and an edge screw hole 423 is provided on the end surface of the convex step 421.

  The positioning nut 43 is provided for screwing into the positioning screw hole 412. Therefore, the second rotary disk 41 is firmly fixed on the drive shaft 42, and both can be easily disassembled.

  The first board body set 50 is provided so as to be positioned in the first space 20a, and the first board body 51, the second board body 52, the third board body 53, the positioning nut 54, and two O A mold pad 55 and a C pad 56 are included.

  The first plate 51 includes a plurality of protruding patterns 510 pressed on the outer peripheral edge portion, and cutout openings 511.

  The first plate body 51 includes a shaft portion 512 that protrudes and extends in the center on the surface of the second plate body 52 that faces the plate surface, and an interlocking protrusion 513 that protrudes from the outer edge. I will.

  The screw hole 514 of the shaft portion 512 is provided to be screwed onto the screw groove step 322 of the drive tube 32, and a positioning screw hole 515 is provided on the side surface.

  The second disc body 52 is rotatably provided on the shaft portion 512, and includes a plurality of protruding patterns 520 that are pressed and formed on the outer peripheral edge portion, and a notch 521.

  The second plate body 52 has inner interlocking projections 522 that project from each other at positions corresponding to the interlocking projections 513 on the surface of the first plate body 51 that faces the surface of the first plate 51, and does not face the first plate body 51. An external interlocking protrusion 523 is provided on the upper side.

  The third disc body 53 is rotatably provided on the shaft portion 512, and includes a plurality of protruding patterns 530 pressed at the outer peripheral edge portion and a notch 531.

  The third disc body 53 is provided with an outer interlocking projection 523 and an interlocking projection 532 that moves together with the outer surface of the disc surface facing the second disc body 52.

  Since the positioning nut 54 is provided by being screwed into the positioning screw hole 515, the first plate 51 is firmly fixed on the drive tube 32, and both can be easily disassembled.

  The two O-type pads 55 are rotatably provided on the shaft portion 512, and between the first plate body 51 and the second plate body 52 and between the third plate body 53 and the second housing 22. Each is provided to be located.

  The C-type pad 56 is rotatably provided on the shaft portion 512, and is provided so as to be positioned between the second board body 52 and the third board body 53, and the notch of the C-type pad 56 is provided. Is provided so as to correspond to the positioning screw hole 515 on the shaft portion 512.

  The second plate body set 60 is provided so as to be located in the second space 20b, and includes a fourth plate body 61, a fifth plate body 62, a positioning nut 63, two O-shaped pads 64, and C And a mold pad 65.

  The fourth plate body 61 includes a plurality of protruding patterns 610 that are pressed and formed on the outer peripheral edge portion, and a notch 611.

  The fourth plate body 61 is provided with a shaft portion 612 that protrudes and extends in the center of the surface of the plate facing the fifth plate body 62, and an interlocking protrusion 613 that protrudes on the outer edge.

  The shaft portion 612 is provided with a screw hole 614 and is provided to be screwed on the screw groove step 422 of the drive shaft 42, and a positioning screw hole 615 is provided on a side surface.

  The fifth disc body 62 is rotatably provided on the shaft portion 612, and includes a plurality of protruding patterns 620 that are pressed and formed on the outer peripheral edge portion, and a notch 621.

  The fifth board 62 is provided with interlocking protrusions 622 that are mutually activated at positions corresponding to the interlocking protrusions 613 on the board surface facing the fourth board 61.

  Since the positioning nut 63 is screwed into the positioning screw hole 615, the fourth plate body 61 is firmly fixed on the drive shaft 42, and both can be easily disassembled.

  The two O-type pads 64 and the C-type pad 65 are rotatably provided on the shaft portion 612.

  One O-type pad 64 is provided so as to be positioned between the fourth plate body 61 and the fifth plate body 62.

  The other O-type pad 64 and C-type pad 65 are provided between the fifth disc body 62 and the third casing 23.

  The C-shaped pad 65 is provided so that the notch opening corresponds to the positioning screw hole 615 on the shaft portion 612.

  Each interference piece 70 includes a fixed piece 71 and two elastic pieces 72.

  The fixing piece 71 is screwed onto the fourth casing 24 by two fixing nuts 73.

  The two elastic pieces 72 are either the outer peripheral edge portions of the first, second, and third plate bodies 51, 52, and 53, or the fourth and fifth plate bodies 61, with both edge portions of the fixed piece 71 inclined and stretched. It abuts on the outer peripheral edge of 62.

  With the structure as described above, when the disc body is rotated, the elastic piece 72 moves between a plurality of protruding patterns on the outer peripheral edge portion and emits a sound.

  Since the sound is emitted, it is convenient for interfering with measuring the change in sound with an electronic sound collector or a stethoscope, and has a preferable anti-theft effect.

  The two first screws 80 pass through the two holes 13 of the seat body 11 and the door plate 90, respectively, and are screwed into the two edge screw holes 211 of the first casing 21.

  Therefore, the key seat 10 and the connection seat 20 can be firmly connected on the door plate 90.

  The two second screws 81 pass through the two through holes 212 of the first housing 21, respectively, and are screwed on the back surface of the door plate 90.

  Therefore, the connection seat 20 is firmly connected on the door plate 90.

  The third screw 82 is screwed into the edge screw hole 423 at the end edge of the drive shaft 42 from the outside of the third housing 23.

  Therefore, the drive shaft 42 is firmly connected on the connection seat 20.

  FIG. 1 to FIG. 7 show a case in which a saddle structure on a plurality of forms of a door plate 90 having a plurality of sets of board bodies according to the present invention is used.

  The collar structure includes a key piece 91. The key piece 91 can be moved between the first position and the second position.

  When the key piece 91 is in the first position, the hook structure is in a locked state.

  When the key piece 91 is in the second position, the hook structure is in a state where the key is released.

  The key piece 91 of the present invention is used to control whether or not the first position or the first position moves to the second position.

  The first board 51 is rotated and driven by the first number transmission board 30. The first board body 51, the second board body 52, and the third board body 53 are rotated according to the order by the interlocking protrusion 513, the inner interlocking protrusion 522, the outer interlocking protrusion 523, and the interlocking protrusion 532 therebetween.

  When the fourth board 61 is rotated by the second number transmission board 40, the interlocking protrusion 613 of the fourth board 61 activates the interlocking protrusion 622 of the fifth board 62, and the fifth board 62 rotates in conjunction with it. To do.

  As disclosed in FIGS. 3 and 5, the first plate 51, the second plate 52, the third plate 53, the fourth plate 61, and the fifth plate 62 are rotated to form notches 511 and 521. When any of 531, 611, and 621 moves away from the position corresponding to the key piece 91, the key piece 91 is brought into contact with the first position, and the hook structure is in a locked state.

  On the other hand, in the case of FIGS. 6 and 7, the heel structure is in an unlocked state.

In this invention, the number of the board bodies of the first board body set 50 and the second board body set 60 can be increased or decreased as necessary.

  For example, if the first board set 50 is four board bodies and the second board set 60 is four board bodies, it has 16 types of combinations, and the number of combinations of numbers to be unlocked is It reaches 15 trillion 376 billion pairs and is convenient. 2

  The above is a preferred embodiment of the present invention and does not limit the scope of the present invention. Therefore, any modifications or changes that can be made by those skilled in the art, which are made within the spirit of the present invention and have an equivalent effect on the present invention, belong to the scope of the patent registration claims of the present invention. And

It is the exploded view which showed the key provided with the some board body set of this invention. It is the enlarged view which showed the 1st board set and 2nd board set of the key which provided the several board set of this invention. It is the enlarged view which showed the state which combined the key provided with the several board body set of this invention. It is sectional drawing which showed the state which combined the key provided with the several board body set of this invention. It is the figure which showed the state which looked at the state which combined the key provided with the several board body set of this invention from the bottom. It is explanatory drawing which showed the operation | movement which unlocks the key provided with the some board body set of this invention. It is explanatory drawing which showed the state which looked at the operation | movement which unlocks the key provided with the several board body set of this invention from the bottom.

DESCRIPTION OF SYMBOLS 10 Key seat 11 Seat 12 Pipe body 13 Hole 14 Screw groove step 20 Connection seat 20a 1st space 20b 2nd space 21 1st housing 210 Screw hole 211 Edge screw hole 212 Through-hole 22 2nd housing 220 Shaft groove 221 Shaft hole 23 3rd housing 230 Shaft hole 24 4th housing 30 1st number transmission board 31 1st rotation board 310 Shaft part 311 Fixing screw hole 312 Positioning screw hole 32 Drive pipe 320 Fixing screw groove 321 Convex step 322 Screw Groove step 33 Positioning nut 40 Second number transmission panel 41 Second rotary plate 410 Shaft portion 411 Fixing screw hole 412 Positioning screw hole 42 Drive shaft 420 Fixing screw step 421 Convex step 422 Screw groove step 423 Edge screw hole 43 Positioning nut 50 First plate body set 51 First plate body 510 Pattern 511 Notch opening 512 Shaft portion 513 Interlocking projection 514 Screw hole 515 Positioning screw hole 52 Second plate body 520 Pattern 521 Notch opening 522 Inner interlocking projection 523 Outer interlocking projection 53 Third plate body 530 Pattern 531 Notch opening 532 Interlocking projection 54 Positioning nut 55 O-type pad 56 C-type pad 60 First Two-board set 61 Fourth board 610 Pattern 611 Notch 612 Shaft 613 Interlocking protrusion 614 Screw hole 615 Positioning screw hole 62 Fifth body 620 Pattern 621 Notch 622 Interlocking protrusion 63 Positioning nut 64 O-type pad 65 C-type pad 70 Interference piece 71 Fixed piece 72 Elastic piece 73 Fixing nut 80 First screw 81 Second screw 82 Third screw 90 Door plate 91 Key piece

Claims (4)

Key seat, connection seat, first number transmission board, second number transmission board, first board body set, second board body set, a plurality of first screws, a plurality of second screws, A third screw, and
The key seat includes a seat body and a tubular body extending from the seat body, the seat body includes a plurality of holes, the tubular body penetrates the door plate, and the outside of the edge portion. Is provided with a thread groove step,
The connection seat includes a first housing, a second housing, and a third housing, the first housing having a screw hole formed in the center, two edge screw holes, and a plurality of screw holes. Through which the central screw hole is provided for screwing the screw groove step of the key seat tube, and a first space is formed between the second housing and the first housing. The second housing includes a shaft groove and a shaft hole, the shaft groove is provided so that the second housing is located on a side surface facing the first space, and the shaft hole is disposed on the other side. Provided through the shaft groove on the side surface, a second space is formed between the third housing and the second housing, the third housing is provided through the shaft hole,
The first number transmission board includes a first turntable and a drive tube, the first turntable is provided so as to be positioned outside the seat of the key seat, and the drive tube is a tube of the key seat. The drive tube has one end connected to the first turntable, and a convex step provided at the other end is provided rotatably in the shaft groove of the second housing,
The second signal transmission board comprises a second rotary board and a drive shaft, the second rotary board is provided so as to be located outside the first rotary board, and the drive shaft is connected to the drive tube and the second shaft. It is provided in the shaft hole of the body so as to be rotatable, and one end of the drive shaft is connected to the second rotating disk, and the other end is provided with a convex step provided rotatably in the shaft hole of the third casing. A thread groove step is provided at a position corresponding to the second space on the outer side of the shaft, and an edge screw hole is provided on the edge surface of the convex step.
The first board body set is a board body that is rotated by engaging at least two or more mutually, and a notch opening is provided in an outer peripheral edge portion of each board body, and the board body has a shaft portion. The shaft portion passes through the screw hole and is provided to be screwed into the screw groove step of the drive tube, and the remaining disk bodies are rotatably provided on the shaft portions,
The second board set is a board body that rotates by engaging at least two or more, and a notch opening is provided in an outer peripheral edge of each board body, and the board body includes a shaft portion. The shaft portion passes through the screw hole, and is provided to be screwed into the thread groove step of the drive tube, and the remaining disk bodies are provided on the shaft portion so as to be freely rotatable,
The plurality of first screws respectively penetrate the plurality of holes and the door plate of the seat body, and are screwed into the two edge screw holes of the first casing,
The plurality of second screws respectively penetrate the plurality of through holes of the first housing and screw onto the door plate,
A key provided with a plurality of board sets, wherein the third screw is screwed with an end edge screw of an end edge portion of the drive shaft from the outside of the third housing.   The connection seat comprises two fourth housings spaced in parallel from the side surface of the first housing, and the two fourth housings are opposite ends of the second housing and the third housing, respectively. Connected to the outer peripheral edge of each of the first board set and the second board set with a plurality of protruding patterns, and at least one interference piece is provided on the fourth casing. 2. The plurality of board sets according to claim 1, wherein the interference pieces are at least one elastic piece and the inclined surface extends and one end abuts against an edge of the board. key.   3. The plurality of board sets according to claim 2, wherein the interference piece includes a fixing piece extending from an elastic piece, and the fixing piece is screwed on the fourth pair with a plurality of screws. 4. A prepared key. The first board set includes a positioning nut, and includes a positioning screw hole for screwing a positioning nut on a shaft portion of one board body of the first board set. The edge of the nut abuts against the thread groove of the drive tube, and the panel is fixed to the drive tube.
The second board set includes a positioning nut, and a positioning screw hole is provided for screwing the positioning nut on the shaft part of one board body of the second board set, and the edge of the positioning nut is driven. 4. A key comprising a plurality of board body sets according to claim 3, wherein the board body abuts against a thread groove step of the shaft, and the board body is firmly fixed on the drive shaft.

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