KR101731726B1

KR101731726B1 - Smart helmet with rotary fastener unit

Info

Publication number: KR101731726B1
Application number: KR1020150152763A
Authority: KR
Inventors: 김청균
Original assignee: 김청균
Priority date: 2015-10-31
Filing date: 2015-10-31
Publication date: 2017-04-28

Abstract

The present invention relates to a smart helmet equipped with a rotary fastener unit. The smart helmet is equipped with a smart safety module equipped with image, lighting, oxygen, various harmful gases, temperature, position information, collision information and alarm function at a top of the helmet to ensure safety and convenience. The smart helmet has a structure in which a plurality of plastic cylinders formed in a circumferential direction on a head fixing member and a cylindrical cylinder of an elastic damper are connected together by a clip stopper to a helmet body, such that the impact force transmitted to a head is attenuated at two places. The smart helmet has a dual band structure in which a Velcro band is fixed to an upper head fixing member to place the head fixing member on the back of a head and a rotary-type joint unit or push-type rotary joint unit employing a rack and pinion drive system is installed to a lower head fixing member.

Description

{SMART HELMET WITH ROTARY FASTENER UNIT WITH ROTARY TIGHTENING UNIT}

The present invention relates to a smart helmet with a rotary tightening unit, and more particularly, to a smart helmet with a rotary tightening unit, in which a smart safety module having images, And a structure in which a plurality of plastic cylinders formed along the circumferential direction of the head restraint and a cylindrical cylinder of an elastic damper are connected together is fixed to the helmet matrix by a clip stopper to attenuate the impact force transmitted to the head, Band structure in which a velcro band is mounted on the upper head restraint and a rotary rotary thrust unit employing a rack and pinion drive system or a push-type rotary thrust unit is mounted on the lower head retention stand, respectively, To a smart helmet equipped with a rotary tightening unit.

Conventional helmets are designed to hold small cameras and headlamps on the front or left and right sides of the helmets with straps or tapes in order to secure image information or front lighting in dark workplaces, night hiking, underground spaces, etc., , The center of gravity of the helmet was not caught, and the cord was loose and unsafe.

In a conventional helmet, there is a problem in safety because a small camera or a head lamp fixed with a string on the outer surface often breaks down and disengages, and when the head lamp is fixed to the front portion of the helmet with a bolt, It was close to the eyes, which interfered with the forward vision, the center of gravity was moved forward, the helmet was poorly seated, and the battery case was opened to replace or recharge the batteries.

In addition, since the conventional head fixing bracket is provided along the circumferential surface of the head fixing bracket in order to fix the male and female connection rings to the helmet base body, when the impact force applied to the helmet is large, the impact force transmitted to the head is high. In case of tightening the head restraint, only one band is used to tighten the forehead and back of the head to tighten it. Therefore, when it is used for a long time, the pressing force applied to the head is concentrated in one place, and when the tightening force is lowered, the helmet is loosened.

In addition, since the conventional helmet has a structure in which a head strap is connected to a plastic fixing pad fastened to a plastic male-female connection ring to dampen external impact energy, when the impact energy is applied to the helmet, the plastic fixing pad deforms toward the head, So that the inner side space of the helmet body is reduced, the ventilation of the air is cut off, the temperature is increased, and the weight is increased. In this case, .

In addition, since the rotary spring unit is separately assembled and used in order to operate the elastic motion spring moving in the axial direction, the spring restoring force is lowered due to the spatial restriction, and the number of the assembly is increased, which causes the cost increase.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the related art, and it is an object of the present invention to provide a helmet safety device which provides image information, illumination, gas information, temperature information, The module is bolted to the top of the helmet matrix and can be rotated up and down.

In addition, in order to sufficiently attenuate the external impact force transmitted to the head, a separate fixing cylinder and a cylindrical elastic damper are inserted into a cylindrical space formed in the helmet matrix and fixed with a clip stopper, and a helmet The rear part of the head restraint is provided with a velcro band and a rotary type rotary unit, or a push type rotary type unit.

In addition, a rotary gear unit, a plastic swash plate spring, or a rotary gear unit of a rotary slider and a plastic swash plate spring are integrally formed in a rotary tightening unit to reduce the weight and assembly while reducing the weight, A rotary rotary tightening unit or a push type rotary tightening unit having a simple structure in which a rotary handle is fastened to a rotary handle.

In order to achieve the object of the present invention, there is provided a smart safety module for providing image information to a wearer of a helmet, securing front light for preventing glare, We have installed a smart safety module with excellent safety, efficiency and usability by installing an environmental sensor capable of measuring carbon monoxide, oxygen, and LPG, temperature changes, a micro camera, a proximity sensor, a GPS and a buzzer,

In addition, when a smart safety module is bolted to a helmet matrix, it is provided with a bolt fastened to the helmet body so as to be able to rotate in a stable manner without falling down due to abrasion or frictional force,

In addition, in order to securely fix the head restraint to the helmet, a cylinder formed along the circumferential direction of the head restraint in a cylindrical space formed in the helmet body and a cylindrical damper cylinder assembly are inserted together,

In addition, the helmet is constructed so that the helmet does not shake with the dual band dual structure which installed the velcro band and the rotary tightening unit together to securely put the helmet on the head,

In addition, in the rotary tightening unit, the plastic swash plate spring is molded into the rotary gear unit or the rotary slider, respectively, to reduce the number of parts, so that the tightening and releasing action of the head fixing can be safely operated. A smart helmet equipped with a rotary tightening unit can be provided.

According to the present invention, by installing a smart safety module in a structure capable of rotating arbitrarily downward at an angle to the top of a helmet mother body, environment information such as illumination, carbon monoxide, oxygen, And it can be expected that the work efficiency and safety are ensured.

In addition, the smart safety module is structured by fastening an annular female thread with an annular male screw thread so that a limited downward rotational motion can be stably driven against the helmet matrix, and another double fastening structure using a bolt, so that a fastening mechanism It is possible to prevent the phenomenon of flowing down due to abrasion or frictional force generated in the case of the present invention, thereby ensuring sufficient durability and safety.

In addition, when the fixing cylinder and the elastic damper cylinder are inserted together in a cylindrical space formed along the circumferential direction of the helmet mother body, the head stopper is completely prevented from being detached from the helmet by the clip stopper, The energy is greatly reduced and the space for the inner side space for installing the shock absorber such as the styrofoam is not needed, so the space utilization is excellent, the ventilation is good, and the weight saving effect is obtained.

In addition, the dual band double fastening structure with the velcro band on the upper part of the head restraint and the rotary fastening unit on the lower part prevents the phenomenon of loosening even when wearing the helmet for a long time and the effect of dispersing the load applied to the head have.

In addition, since the plastic swash plate spring is molded integrally with the rotary gear unit or the rotary slider in the rotary fastening unit, the total weight is reduced, and the assembly structure is simple, thereby reducing the production cost.

1 is a perspective view of a smart helmet according to the present invention;
2 is a perspective view of a smart helmet showing a head fixing bar according to the present invention.
3 is a perspective view showing a rotary tightening unit for a head fixing unit according to the present invention.
4 is a perspective view showing a first embodiment of the present invention;
5 is a perspective view showing a second embodiment of the present invention.
6 is a perspective view showing a third embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view showing the outer appearance of a smart helmet equipped with a rotary fastening unit according to the present invention. As shown in FIG. 1, the present invention is characterized in that a single protruding block 10 formed at the top of a shell of a helmet mother body 100 Stoppers 13 and 13 'are formed at both ends of the step 12 formed to protrude outwardly in the left and right cut-away end faces, and a bent portion 13' is formed at the intermediate portion between the stoppers 13 and 13 ' Annular female threads 14 are respectively formed,

The outer peripheral surfaces of the right and left intermediate regions descending from the top of the host body 100 to the cowl 15 are formed so as to extend in a downward direction from the outer peripheral surfaces of the other regions, A plurality of rectangular slots 17 and 17 'are formed at regular intervals along the circumferential direction in the downward direction of the inner side surface 101 of the helmet body at the curved end of the annular rim 16, (Not shown) protruding along the circumferential direction of the head fixing table 19 is inserted into the hollow cylindrical space 18 formed on the left side of the lower end of the clip stoppers 21 and 21 ' The head fixing member 19 is fixed to the helmet base 100,

A pair of columns 22 and 22 'are formed on both sides of the clip stoppers 21 and 21' downward from the uppermost end of the clip stoppers 21 and 21 ' And the clips 24 and 24 'are formed symmetrically on both sides of the horizontal bars 23 and 23'

Shaped slot 17 '' in a downward direction so as to protrude from the outer surface of the lower portion of the lower end of the curved end located at the middle of the annular frame 16 to the shoulder 15, And a soundproof ear lid fastening mechanism 25 is inserted into the ear lid.

In addition, a pair of protruding bars 27 and 27 'formed on the lower surface of the safety module case 26 corresponding to the body of the smart safety module 200 are inserted and assembled into the protruding block 10, A plurality of annular male threads 29 and 29 'are formed in the intermediate portion and a rear stopper 30 is formed in the rear end along the lowermost circumferential surface of the annular recesses 27 and 27' Since the female thread 14 and the annular male screw thread 29 are fastened together, there is no problem that the smart safety module 200 is loosened due to abrasion even if the rotary movement of the smart safety module 200 is frequently operated. And a rectangular hole 31 is formed at the center of the right protruding bar 27 'and fastened with a bolt 32. The hole 11' and the square hole 31 ' 31, respectively, return slots 33, 33 'are formed along the circumferential direction, And between dinitrogen 14 and the annular male threads (29) architecture capable of providing a damping force elastic behavior of the spring,

A rectangular bolt 35 is formed on the inside of the bolt head 34 formed at the right end of the bolt 32. A circular rod 36 and a male screw 37 are connected to the inside extension of the rectangular bolt 35 And the bolts 32 are aligned and fastened to the holes 11 and 11 'formed in the protruding block 10 and the pair of protruding bars 27 and 27' and the square hole 31, respectively, The bolt 35 is inserted into the square hole 31 so that the protruding bars 27 and 27 'are loosened due to abrasion and can completely prevent the rotation of the bolts 35 themselves. The frictional force generated due to the tightening force of the bolt 32 in the state of being in contact with the outer circumferential surface of the hole 11 formed in the protruding block 10 rotates when the safety module case 26 is forcibly rotated, The smart safety module 200 is always kept fixed with respect to the helmet matrix 100, A smart helmet of the structure.

A circuit board 39 is provided inside the front side of the safety module case 26 and an LED lamp 41, A temperature sensor 45, a GPS 46, a proximity sensor 47, and a buzzer 48 are connected to the sensor 42, the carbon monoxide sensor 43, and the oxygen sensor 44, respectively. And a push button switch (50) connected to the circuit board (39) is connected to the safety module case (26). The safety module case (26) , And a plurality of protrusions

A plurality of rechargeable batteries 51 are connected in series to the rear surface of the circuit board 39 so that the external power can be charged through the micro USB 49. The rear lid 52 is fastened with bolts Lt; RTI ID = 0.0 > 200 < / RTI >

The integral structure in which the smart safety module 200 is screwed to the top of the helmet mother body 100 frequently rotates downward between the annular female thread 14 and the annular male thread 29 due to frictional force (Not shown) formed integrally with the head restraint 19 and the clip stoppers 21 and 21 ', so that the safety of the helmet can be improved, Durability, and smart safety function of the smart helmet.

FIG. 2 is a perspective view of a smart helmet according to a preferred embodiment of the present invention. As shown in FIG. 2, a hollow cylindrical space The cantilever bars 53 and 53 'are formed in the cylindrical spaces 18 and 18' so as to protrude outward along the circumferential direction of the head holder 19, And an elastic damper cylinder 54,54 'assembled above the cylinders 20 and 20' is inserted into the cylindrical spaces 18 and 18 'to attenuate the shock transfer force And a head fixing table 19 having a structure in which the ends of the cylinders 20 and 20 'are assembled so as to be caught by the inner side ends of the clips 24 and 24' formed at the lowermost ends of the clip stoppers 21 and 21 ' Secured to the helmet matrix 100,

In the rear portion along the circumferential direction of the head restraint 19, two bands of an upper head restraint 55 and a lower head restraint 59 are formed. In the horizontal direction of the upper head restraint 55, Velcro bands 57 are provided in the rectangular slots 17 and 17 'formed at the ends of the horizontal bands 56 and 56' to tighten the upper band by arbitrarily adjusting the length of the upper band of the head fixing band 19 A rotary clamping unit 60 is installed at a middle portion of a lower head fixing base 59 formed to pass through the inclined bands 58 and 58 'which are attached to the horizontal bands 56 and 56' The head of the helmet wearer is pressed at two places by the head restraint 19 formed on the upper side and the lower side, so that the smart helmet has no structure of swinging and loosening.

FIG. 3 is a perspective view of a smart helmet equipped with a rotary fastening unit for a head fixture according to the present invention. As shown therein, the present invention includes a pair of inclined bands 58 and 58 ' The racks 62 and 62 'are formed along the lower horizontal direction of the rectangular space 61 formed by cutting the inside of the end portions of the racks 62 and 62' A pinion 63 is provided at the left end of the rotary gear unit 64 and a disk 65 protruding from the right end of the pinion 63 A plurality of plastic swash plate springs 66 are formed at regular intervals along the circumferential surface of the outer circumference of the disk 65. An outer diameter side angular gear 67 is formed on the right side surface of the disk 65 along the axial direction, (68) formed on the inner diameter side Shaped gear 69 and the left side surface of the disk 65 'formed at the left end of the rotary slider 68 is in contact with the right end of the plastic swash plate spring 66, And,

A hollow circular protrusion 70 is formed on the inner side of the inner side of the rotary gear unit 64 so that the circular cylindrical protrusions 72 and 72 are formed at the ends of the circular cylinder 20 & 'So that the rotary gear unit 64 is prevented from coming out in the axial direction when the rotary gear unit 64 rotates,

A triangular male screw 73 is formed on the right side surface of the disk 65 'in the circumferential direction so as to be engaged with the triangular female screw 75 formed at the center of the rectangular outer casing 74, And a trapezoidal screw 76 protruding from the right side of the inner diameter side of the triangular male screw 73 so as to protrude along the outer circumferential direction of the cylinder 20 " When the rotary handle 71 is rotated in the left-right direction, the sliding frictional axial force generated when the trapezoidal screw 76 'is engaged with the trapezoidal screw 76 pushes the rotary slider 68 in the leftward direction The triangular male screw 73 and the triangular female screw 75 which are in the engaged state are released and at the same time the plastic swash plate spring 66 which has been in contact with the disk 65 ' The driving force of the inner diameter side angular gear 69 in the engaged state is transmitted to the engaged outer diameter side angular gear 67 and the pinion 63 formed integrally with the outer diameter side angular gear 67 is engaged with the engaged rack 62, Pulling or pushing the pair of inclined bands 58 and 58 'engaged and driven to provide a tightening action and a loosening action of the lower head fixing table 59,

The protruded hollow cylinder 78 is formed at the center of the inner side surface of the rectangular inner case 77 and is fastened to the large diameter shaft 79 formed on the inner diameter portion of the pinion 63. As the rotary gear unit 64 rotates, A plurality of rectangular grooves 81 and 81 'are formed on the inner side surfaces of the U-shaped channels 80 and 80' which are formed so as to protrude inward from the upper and lower ends of the rectangular inner case 77, And a plurality of rectangular bars (82, 82 ') protruding from outer surfaces of the U-shaped channels (80, 80') protruding inward from the upper and lower ends of the outer case (74) 60).

4 is a perspective view showing a first embodiment of the present invention in which a structural feature different from that of Fig. 3 is that a plastic swash plate spring 66 'is used instead of the structure in which the plastic swash plate spring 66 is mounted on the rotary gear unit 64 A pinion 63 is formed on the left end of the rotary gear unit 64 'and a pinion 63 is formed on the right end of the pinion 63. The rotary pinion 63' is mounted on the rotary slider 68 ' An outer diameter side angular gear 67 is formed along the axial direction on the right side surface of the disk 65 protruded from the inner side of the disk 65 so as to be engaged with the inner diameter side angular gear 69 formed on the inner diameter side of the rotary slider 68 ' The left end of the plastic swash plate spring 66 ', which is formed to protrude from the left end of the rotary slider 68', is in contact with the right side surface of the disk 65, A rotary tightening unit 60 'having a structure in which the rotary handle 71 can not be moved to the right by being caught by the cylindrical prongs 72 and 72' is formed on the left side surface of the hollow circular protrusion 70 formed at the inner diameter- ).

Fig. 5 is a perspective view showing a second embodiment of the present invention. Structural features different from those of Fig. 3 include a rotary gear unit 64, a rotary slider 68, a rotary handle 71, Type rotary tightening unit 86 composed of a gear unit 83, a push type rotary slider 84 and a push type rotary handle 85. The inclined bands 58 and 58 ' A plurality of pinions 63 are formed at the left end of the push type rotary gear unit 83 and along the circumferential surface of the outer periphery of the disk 65 protruded at the right end of the pinion 63, The outer diameter side angular gear 67 is formed along the axial direction on the right side surface of the disk 65 to form an inner diameter formed on the inner diameter side of the push type rotary slider 84 The side gears 69 and And the left side surface of the disk 65 'formed at the left end of the push type rotary slider 84 pushes in the axial direction while contacting the right end of the plastic swash plate spring 66 and the push type rotary gear unit An inner diameter side angular gear 69 'is formed on the line extending to the right side of the hollow circular step 70 formed in the inner diameter side intermediate portion of the inner diameter side gear 83,

A cylindrical prong 72 or 72 'is formed at an end of a circular column 20' 'that is formed in a central axis of the push type rotary handle 85 and is in contact with the outer circumferential surface of the circular column 20' A hollow cylindrical body 78 'is formed so as to protrude along the outer circumferential direction of the formed outer diameter side angular gear 67', and the distal end of the circular cylindrical protrusions 72 and 72 'is engaged with the hollow circular protuberance 70 And the rotational driving force is transmitted to the outer diameter side angular gear 67 'while being meshed with the inner side angular gear 69'

A triangular female screw 73 is formed along the circumferential direction on the right side surface of the disk 65 'formed at the left end of the push type rotary slider 84 to form a triangular female screw 75 formed at the center of the rectangular outer case 74, Respectively,

When the push type rotary handle 85 is rotated in the lateral direction while applying thrust to the push type rotary handle 85, the left end of the hollow cylindrical body 78 'in contact with the push type rotary handle 84 pushes the right side of the push type rotary slider 84, The male screw 73 and the triangular female screw 75 are released and at the same time the plastic swash plate spring 66 which has been in contact with the disk 65 'is interlocked and pushed to the left side to be compressed and the outer diameter side angular gear 67' The rotational force of the push type rotary gear unit 83 is transmitted to the inside diameter side gear 69 'and used to drive the racks 62 and 62' and the pinion 63, And a push type rotary tightening unit 86 having a structure of performing a tightening action and a releasing action.

6 is a perspective view showing a third embodiment of the present invention. In the push-type rotary handle 85, a push-type rotary handle 85 ', from which a hollow cylinder 78' formed inside is removed, And a push type rotary slider 84 is replaced with a push type rotary slider 84 'in which a rectangular column 87 is formed. In the push type rotary slider 84, Shaped rotary handles 85 'formed on the inner diameter portion of the push-type rotary handle 85' so as to form a prismatic pillar 87 protruding in the rightward extension line of the inner diameter side angular gear 69 formed on the inner diameter portion of the push- When the push type rotary handle 85 'is rotated in the left and right direction while applying thrust to the push type rotary handle 85' in a state of being in contact with the outer diameter direction plane 88 of the gear 67 ', the prismatic column 87 is pushed to the left side, The triangular male thread (73) and triangular armature The warp yarn 75 is released and at the same time the plastic swash plate spring 66 which has been in contact with the disk 65 'is also pushed to the left side to be compressed,

The driving force of the outer diameter side angular gear 67 'in the engaged state is transmitted to the inner diameter side angular gear 69' so that the push type rotary gear unit 83 connected to the rack 62 and 62 ' To a push type rotary clamping unit 86 'having a structure for tightening and releasing the lower head fixing table 59. The push type rotary clamping unit 86'

The present invention described above is not limited to the structure and operation as shown and described. In other words, the present invention is susceptible to various changes and modifications within the spirit and scope of the appended claims.

10: protruding block 11, 11 ': hole
12: stage 13,13 ': stopper
14: annular female thread 15:
16,16 ': Annular slot 17,17', 17 ": Square slot
18, 18 ': cylindrical space 19: head restraint
20,20 ', 20 ": Cylinder 21,21: Clip stopper
22, 22 ': Columns 23, 23: Horizontal bar
24, 24 ': clip 25: soundproof ear lid fastening mechanism
26: Safety module case 27, 27 ': protruding bar
28: front stopper 29, 29 ': annular male thread
30: rear stopper 31: square hole
32: Bolt 33, 33 ': Return type slot
34: Bolt head 35: Square bolt
36: Circular rod 37: Male thread
38: nut 39: circuit board
40: ultra-small camera 41, 41 ': LED lamp
42: Elpimeter sensor 43: Carbon monoxide sensor
44: oxygen sensor 45: temperature sensor
46: GPS 47: Proximity sensor
48: Buzzer 49: Micro USB
50: push button switch 51: rechargeable battery
52: lid 53, 53 ': cantilever bar
54,54 ': Elastic damper cylinder 55: Upper head fixture
56,56 ': Horizontal band 57: Velcro band
58, 58 ': inclined band 59: lower head restraint
60, 60 ': Rotary tightening unit 61: Rectangular space
62,62 ': rack 63: pinion
64: Rotary gear unit 65, 65 ': Disk
66: Plastic swash plate spring 67, 67: Outer diameter side angular gear
68: rotary slider 69, 69 ': inner diameter side angular gear
70: hollow circular jaw 71: rotary handle
72,72 ': Cylindrical jaw 73: Triangular male thread
74: Rectangular outer case 75: Triangular female thread
76,76 ': Trapezoidal screw 77: Rectangular inner case
78,78 ': Hollow column 79: Large diameter
80, 80 ': type channel 81, 81': rectangular groove
82,82 ': Rectangular bar 83: Push type rotary gear unit
84, 84 ': Push type rotary slider 85, 85': Push type rotary handle
86, 86 ': Push type rotary tightening unit 87: Square column
88: plane 100: helmet matrix
101: Helmet Matrix Side 200: Smart Safety Module

Claims

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A pinion 63 is formed along the circumferential direction at the left end portion of the outer diameter portion of the large diameter shaft 79 formed on the central axis of the rotary gear unit 64 'and a hollow circular protrusion 70 is formed at the inner diameter side portion, The outer diameter side angular gear 67 is integrally formed along the right side circumferential direction of the disk 65 formed at the right end of the pinion 63,
The cylindrical handle 72 is formed at the end of a circular column 20 "which is formed in a left direction of the central axis of the rotary handle 71 so as to be engaged with the left end of the hollow circular step 70, A trapezoidal screw 76 'is formed along the outer circumferential direction of the cylinder 20'',
On the right side surface of the plurality of plastic swash plate springs 66 'formed along the circumferential direction so as to project at the left end of the rotary slider 68' at regular intervals, triangular male screws 73 are formed at regular intervals along the circumferential direction, Is fastened to a triangular female screw (75) formed along the circumferential direction at the center of the outer case (74)
When the rotary handle 71 is rotated in a state where the trapezoidal screw 76 connected to the right end of the triangular male screw 73 and formed along the circumferential direction is engaged with the trapezoidal screw 76 ', the rotary slider 68 'Is pushed to the left side while the triangular male screw 73 is moved inward from the triangular female screw 75 and the plastic swash plate spring 66' is pushed in the left direction while contacting the inner surface of the disk 65 A spring action force is generated,
At the same time, the inner diameter side angular gear 69 formed along the inner circumferential direction of the inner circumferential surface of the triangular male screw 73 is assembled to engage with the outer diameter side angular gear 67 to transmit the rotational force, , And the head fixing member (19) is tightened or loosened by an engaging and rotating operation with a rack (62, 62 ') formed along the longitudinal direction on the inner side of the guide member (58, 58').

5. The method of claim 4,
The push type rotary gear unit 83 having the inner diameter side angular gear 69 'formed on the right extension line of the hollow circular protrusion 70 has a cylindrical pin 72 formed at the central axis of the push type rotary handle 85 , And an outer diameter side angular gear 67 'formed on the central axis of the push type rotary handle 85 is engaged with the inner diameter side angular gear 69'
A triangular male screw 73 is formed along the right side circumferential direction of the disk 65 'formed at the left end of the push type rotary slider 84 to form a triangular female screw 75 formed at the center of the rectangular outer case 74 And the inner diameter side angular gear 69 formed on the inner diameter portion of the disk 65 'is guided in the axial direction along the outer diameter side angular gear 67,
When the hollow cylindrical body 78 'protruding from the outer side extension line of the outer diameter side angular gear 67' rotates while applying a lateral force to the right side surface of the push type rotary slider 84, the triangular male screw 73, The female screw 75 is first released and at the same time the plastic swash plate spring 66 which has been in contact with the disk 65 'is also interlocked and pushed to the left side to be elastically compressed and the driving force of the outer diameter side angular gear 67' Is transmitted to the gear (69 '), and is driven by the connected rack (62, 62') and the pinion (63).

6. The method of claim 5,
Shaped rotary gear 87 is formed so as to be in contact with the flat surface 88 formed in the outer diameter direction of the outer diameter side angular gear 67 'so that the tip end of the prismatic column 87 protruding from the rightward extension line of the inner- The triangular prongs 73 and the triangular prongs 75 in the engaged state are automatically released, and the push-type rotary 87 is automatically released, A rotary tightening unit of a push-type structure for transmitting rotational force of a handle (85 ').