KR20010081199A - Device for rotating and separating a shield of helmet - Google Patents

Abstract

PURPOSE: A device for rotating and drawing a windshield in a helmet is provided to improve the convenience of assembly/disassembly of the shield, and to prevent the miss-operating of the shield. CONSTITUTION: The shield(120) of a helmet is rotatively coupled to both sides of a helmet body. A rotating shaft(10) formed with a projection(11) along a part of the circumference thereof is provided at a rotating point of the shield. A sliding plate(20) having a folded extension part(21), and a catching plate(30) having a one-way toothed part(31) are successively disposed near the rotating shaft. A fastening member(1) mounted on the both sides of the helmet body consists of a rounded partition(40) for rotatively receiving the rotating shaft, a guide rail(50) contacting with the folded extension part, a guide wall(60) engaged with the one-way toothed portion, and a groove(70) for a spring(71). A rotating member(2) hinged on the outer surface of the fastening member consists of a doughnut shaped rotating wall(80) having a boss(81) for fastening/releasing the projection of the rotating shaft, and a compression piece(90) integrated into the rotating wall for compressing the guide rail by using the elastic force of the spring.

Description

Device for rotating and separating a shield of helmet

The present invention relates to a shield that covers the viewing window of a helmet for a motorcycle or a racing vehicle as necessary, and in particular, a helmet that not only prevents a malfunction occurring during the rotation of the viewing window shield but also simplifies the disassembly / assembly process of the shield. It relates to a shield rotating and drawing device of a viewing window.

In general, a helmet (helmet) is a protective device that protects the occupant in the event of an accident such as a collision or collision by wrapping the head of the occupant on a motorcycle or racing vehicle, and protects the occupant's head It consists of a helmet body, a sight window formed on the front side of the helmet body to secure the front field of view, and a shield mounted on both sides of the helmet body rotatably through an opening and closing control device.

Here, the opening and closing control device of the shield is a device that rotates the shield mounted on both sides of the helmet body, it operates step by step from the full opening of the shield to the complete closure, as well as at the target point in the process of raising or lowering the shield Tasks must be made to ensure that operation is done so as not to impair the driver's vision.

For example, according to Japanese Patent (Notice No. 93-905, February 27, 1993), the opening and closing control device is any one of the support plates 3 formed on the main surface of both ends of the see-through window 2, as shown in FIG. The backing plate 4 having the locking projection 4 'formed on the support plate 3 is elastically adhered to the elastic spring 5, and one-way teeth 9' are formed at both ends of the shield 8 around the shaft hole 9 ". A rotating plate 9 formed in the upper and lower surfaces of the locking plate 4 'and the one-way teeth 9' to be engaged with each other, and then between the support plate 3 and the rotating plate 9, the spring 7 and the lever ( It is the structure which can pull the shield (8) by connecting 6).

By the way, according to the Japanese patent, the opening and closing adjustment device only returns the shield 8 by the interaction between the elastic force of the spring 7 and the lever 6, and only the pressing plate 4 is pressed, so that the viewing window 2 is a one-touch type. However, the repeated operation of the shield (8) reduces the elastic force of the spring (7) or when the locking projection (4 ') and the tooth (9') is worn, the actual operation of the hanging board (4) is There was a problem that became impossible.

On the other hand, the opening and closing control device is provided with a disassembly and assembly device for disassembling / assembling the shield in case the opening and closing situation of the shield is deteriorated, such a device enables the disassembly / assembly process of the shield even without removing the fixing screw separately. The task of providing work convenience should be selected first.

For example, the disassembly and assembly apparatus according to Japanese Patent No. 92-4856, June 19, 1992, as shown in Figure 2, the shield against the locking member fixed to the left and right outer surface of the helmet body (1) In the state where the locking member attached to the left and right sides of (2) was positioned above the fully open position of the shield 2, the support part 6 and the shaft support apparatus 10 were inserted, and the shield 2 in that state Is rotated in the downward direction, the opening and closing limiting device of the locking member is constrained / engaged in the guide groove (9) of the other locking member is limited to open.

However, the disassembly and assembly apparatus according to the Japanese patent rotates the shield 2 upward in the helmet main body 1, then tensions the arm stop member B to peel off the stopper 5, and again the windbreak body 2 When the guide member 10b and the inlet portion 6c are rotated to rotate, the locking projection member 4b is separated from the locking groove 13 so that the female locking member B is separated from the male locking member A. As a configuration, there was a troublesome disassembly / assembly process.

Thus, the present invention has been made in order to solve the problems as described above, so that the shield mounted on the front side of the helmet sight window can be rotated in multiple stages to prevent malfunction, as well as to disassemble / assemble the shield in one touch. The object of the present invention is to provide a shield pivoting and withdrawing device for a helmet viewing window that can increase work convenience.

1 is an embodiment of the shield rotation and withdrawal device of the helmet viewing window according to the prior art,

Figure 2 is an embodiment of the shield rotation and withdrawal device of the helmet viewing window according to the prior art,

Figure 3 (a), (b) is an operating state diagram showing the operation before and after the operation of the shield rotation and withdrawal device of the helmet viewing window according to the present invention,

Figure 4 is an exploded perspective view schematically showing a shield rotating and withdrawing device of the helmet viewing window according to the present invention.

Explanation of symbols on the main parts of the drawings

10: rotating shaft 20: sliding plate

30: stopping plate 40: blocking bulkhead

50: guide rail 60: guide wall

70: receiving groove 80: rotating wall

90: compression protrusion

Hereinafter, an embodiment according to the present invention will be described in detail.

3 and 4 is an exploded perspective view of the shield before and after the operation, the helmet body 100 to protect the head of the occupant and protect the front view of the helmet is formed on the front side of the helmet body 100 And, in the shield of the helmet viewing window consisting of a shield 120 that is rotatably mounted on both sides of the helmet main body 100 to open and close the viewing window, the locking projection 11 at the rotational point of the shield 120, the outer periphery Rotating shafts 10 protruding to both sides are formed, and at the side of the rotating shaft 10, a sliding plate 20 having a sliding protrusion 21 and a locking plate 30 having one-way teeth 31. ) Are formed side by side; On both sides of the helmet main body 100, the locking partition 40 is inserted into the rotating shaft 10, the guide rail 50, the sliding projection 21 is sliding, and the one-way teeth 31 are engaged with the multi-step A fixing member (1) comprising a guide wall (60) moved to and a receiving groove (70) in which the spring (71) is received and fixed; Fixing protrusion 81 which is fitted to the outer circumference of the locking partition 40 and rotates around the hinge shaft P on the outer side of the fixing member 1 and locks / unlocks the locking projection 11 on the inner circumference thereof. Rotating member consisting of a rotating wall (80) protruding and a compression protrusion (90) which is integrally formed on one side of the rotating wall (80) and compressed in the direction of the guide rail (50) by a spring (71). (2) is hinged.

First, among the components of the present invention, since the helmet body 100 and the sight glass and the shield 120 are the same as in the prior art, detailed descriptions thereof will be omitted, but the rotation shaft 10 and the sliding shafts on both sides of the inner circumferential surface of the shield 120 will be omitted. It is noted that the difference between the plate 20 and the stopping plate 30 is formed continuously at a predetermined distance.

In addition, the pivot shaft 10 is a pivoting protrusion which is formed at the lower end portions of both inner walls of the shield 120 to form a pivot point with the helmet main body 100, and the barrier rib 40 and the fixing groove 80 are provided at both sides. Each locking projection 11 is slid along the protrusion is formed.

In addition, the sliding plate 20 is a moving protrusion protruding at a certain distance from the side of the rotational shaft 10, and the sliding plate 21 is inserted into the guide rail 50 to be described later on one side and slides. Is formed.

In addition, the locking plate 30 is a moving protrusion protruding at a predetermined distance from the side of the sliding plate 20, and on one side, a one-way teeth 31 moving along the guide wall 60 is formed and the other side. In the guide wall 32 to be moved along the fixed wall 65 is formed, the downward limit is limited by the fixed stopper 33 formed on the movement path.

Meanwhile, the fixing member 1 is a plate member fastened with bolts at both sides of the helmet body 100, and corresponds to the pivot shaft 10, the sliding plate 20, and the locking plate 30 on one side of the body. The locking partition 40, the guide rail 50, the guide wall 60, and the fixed wall 65 are formed in the position.

In addition, the locking partition 40 is a fixing protrusion into which the pivot shaft 10 is inserted while being protruded about the fastening hole B of the fixing member 1, and the notch groove 41 along one side at an inner circumference thereof. In addition to the formation of the fixing groove 42 is formed to limit the movement of the locking projection 11 along the other side.

In addition, the guide rail 50 is a round guide protrusion protruding from the side of the locking partition 40, and the fitting protrusion 51 into which the sliding protrusion 21 of the sliding plate 20 is fitted along one side of the guide rail 50. Is formed and at the same time the sliding protrusion 52 to which the moving groove 82 of the pivot wall 80 is fitted along the other side is formed.

In addition, the guide wall 60 is a round guide protrusion protruding from the lower side of the guide rail 50, and the guide teeth 62 meshed with the one-way teeth 31 of the locking plate 30 on one side thereof. It is formed integrally, and the rounding protrusion 61 is engaged with the guide protrusion 32 on the side of the guide tooth 62.

The fixed wall 65 is a locking protrusion formed on the side of the locking partition 40 to limit the movement limit of the rotation member 2, and is fitted to the outer circumference of the locking partition 40 to be described later. The limit of movement is limited by the stopper 83 of the rotating wall 80 reciprocating along the sliding protrusion 52.

And, the receiving groove 70 is a receiving space of a predetermined size formed in the width direction through the side of the guide rail 50, the inner space in the direction of the guide rail 50 to the compression projection 90 which will be described later The spring 71 is compressed to prevent the departure of the pivot shaft 10 is accommodated.

On the other hand, the rotating member 2 is a plate member coupled to the hinge shaft (P) formed through the upper side of the fixing member 1 via a hinge pin, the rotating wall body is fitted to the outer peripheral surface of the locking partition 40 in the body. 80 and a compression protrusion 90 formed integrally with one side of the receiving groove 70 and compressed in one direction by the spring 71 are formed.

The rotation wall 80 is a rotation groove fitted to the outer circumference of the locking partition 40 to rotate the hinge shaft P about the center point, and the fixing protrusion 81 moves along the notch groove 41 at the inner circumference. Is formed and the outer periphery is formed with a stopper 83 is restricted by the movement groove 82 and the fixed wall 65 is moved along the sliding projection (52).

In addition, the compression protrusion 90 is a moving member which is integrally formed at one side of the pivot wall 80 and compressed to the guide rail 50 side by a spring 71, and is closely attached to the guide rail 50 on both sides. A fixing protrusion 91 for fixing the contact surface and the spring 71 is formed.

Hereinafter, described in detail with reference to the accompanying drawings illustrating the operation according to the present invention.

First, the fixing member 1 is fixed to both sides of the helmet body 100, that is, the pivoting point of the shield 120 by means of a fastening means such as a bolt, and then a locking forming the pivoting point of the fixing member 1. The rotating wall body 80 is attached to the outer periphery of the partition 40.

Then, when the hinge shaft P is inserted and fastened into the hinge hole formed in the fixing member 1 and the rotating member 2, the rotating member 2 is hinged in the state of being fitted to the outer circumference of the locking partition 40. It is a state which can be rotated to the center point P, and is compressed in the direction of the guide rail 50 by the elastic force of the spring 71. FIG.

That is, in the process in which the rotating wall body 80 of the rotating member 2 rotates about the holding partition 40 of the fixing member 1 to the center point, the rotating member 2 is cut through the fixing protrusion 81. 41 is reciprocated along, as well as in close contact with the contact surface of the guide rail 50 through the compression projection 90 is compressed in one direction by the spring (71).

On the other hand, in the case where the rotating shaft 10 of the shield 120 is fitted to the engaging partition 40 of the fixing member 1, the shield 120 is fully raised to the upper side, and then the compression protrusion of the rotating member 2 is mounted. When pressing the 90 in the opposite direction of the guide rail 50, the compression projection 90 is moved in the direction of the receiving groove 70 to overcome the elastic force of the spring (71).

At this time, in the process in which the rotating wall 80 is pressed in the direction of the receiving groove 70 to the center point of the hinge axis (P), the fixing protrusion 81 is moved in one direction along the notch groove 41 to form an empty space. Then, lightly insert the rotation shaft 10 of the shield 120 through the cut groove 41 is formed such an empty space.

Then, when the operator puts the compression protrusion 90 of the rotation member 2 lightly, the compression protrusion 90 of the rotation member 2 closely adheres in the direction of the guide rail 50 by the elastic force of the spring 71. As a result, the fixing protrusion 81 of the pivot wall 80 is returned along the notch groove 41 and moved to the empty space of the notch groove 41.

That is, since the fixing protrusion 81 of the rotating wall 80 is fixed along the notch groove 41, the locking protrusion 11 of the rotating shaft 10 is fixed, so that any of the locking protrusions of the rotating shaft 10 is fixed. In the state where one locking projection 11 is fitted into the fixing groove 42, another locking projection 11 is fixed by the fixing projection 81 of the rotating wall (80).

Of course, when the installation of the shield 120 is completed by inserting the rotation shaft 10 into the locking partition 40 of the fixing member 1, the sliding projection 21 of the sliding plate 20 is the guide rail 50 It is fitted into the sliding protrusion 51 of the), the one-way teeth 31 of the locking plate 30 is coupled to the rounding protrusion 61 of the guide wall 60.

On the other hand, when the shield 120 or the guide wall 60 is deteriorated due to abrasion or the like due to abrasion or the like, the shield 120 is rotated upwards, and then the compression protrusion 90 is rotated by the spring 71. When pressed in the installed direction, the rotating member 3 is rotated in one direction with the hinge axis P as the center point.

In this process, since the locking projection 11 of the rotational shaft 10 whose movement is limited by the fixing projection 81 of the rotational wall 80 is released, the body of the shield 120 is held, that is, the rotational shaft When the locking projection 11 of the 10 is pulled out through the cutout groove 41 of the locking partition 40, the disassembly of the shield 120 is completed.

Of course, the shield 120 is raised upward through the pivot shaft 10 in the interior space of the locking partition 40, the downward direction is limited by the guide protrusion 32 and the fixed stopper 33, so as not to flow Will be.

As described above, the disassembly / assembly process of the shields mounted on both sides of the helmet sight window is performed by simply rotating the shield upward and then pressing the compression protrusion, thereby improving convenience in disassembling / assembling the sight window shield. As a result, the work efficiency is increased, as well as the work load is reduced, thereby reducing the overall cost.

Claims (1)

Helmet body 100 to protect the head portion of the occupant, and a viewing window formed in the front of the helmet body 100 to secure the front view, rotatably mounted on both sides of the helmet body 100 In the shield of the helmet viewing window made of a shield 120 to open and close the, At the rotational point of the shield 120, the rotational shaft 10 is formed in which the locking projection 11 protrudes on both sides of the outer circumference, and at the side of the rotational shaft 10, the sliding projection 21 is provided on one side of the outer circumference. The sliding plate 20 and the one-way teeth 31 are formed in parallel with the engaging plate 30 provided on one side of the outer circumference; On both sides of the helmet main body 100, the engaging partition 40 is inserted into the rotating shaft 10 rotatably, the guide rail 50, the sliding protrusion 21 is sliding, and the one-way teeth 31 are engaged. A fixing member (1) comprising a guide wall (60) moved in multiple stages and a receiving groove (70) in which the spring (71) is received and fixed; The fixing protrusion 81 is fitted to the outer circumferential edge of the locking partition wall 40 on the outer side of the fixing member 1 and rotates around the hinge axis P and locks / releases the locking protrusion 11 on the inner circumference. Is rotated by the rotating member (2) formed with a rotating wall (80) and a compression protrusion (90) which is integrated with one side of the rotating wall (80) and is compressed to the guide rail (50) by the elastic force of the spring (71). Shield rotation and withdrawal device of the helmet viewing window, characterized in that consisting of a combined structure.