KR20120015955A - Headrest band tight control system for hard hat - Google Patents

Abstract

The present invention is configured so that the headrest band (3) and the tightening control device (4) of the hard hat (1) is in close contact with the entire head of the wearer to improve the safety and wearing comfort headrest band (1) 3) To provide a tightening control device (4).
That is, the present invention is the adjustment piece (6) between the end portion of the headrest band (3) of the helmet (1) between the close cover (5) in contact with the rear head (H) and the adjusting piece (6) coupled to the close cover (5) In the configuration of the head restraint band (3) tightening control device (4) for the general helmet (1) made to adjust the tightening with the adjustment knob (7) installed to be rotated freely in the upper, upper and lower centers of the close cover (5) Each pair of engaging projections 51 are formed outwardly, and the wings 9 have a tension to be bent forward on both sides of the close cover 5 and a plurality of valleys 91 are formed vertically. A pair of coupling grooves 61 are formed inwardly so as to correspond to the coupling protrusion 51 of the close cover 5 in the middle of the adjusting piece 6 so as to be in close contact with the head. Both sides of the wing cover 9 of the close contact cover 5 is configured to be in close contact with the back of the head (H) during adjustment, according to the present invention The close cover 5 of the support band 3 and the tightening control device 4 are completely in contact with the head so that the hard hat 1 can be firmly worn, thereby improving safety and wearing comfort and doubling its wearing rate. It is simple and easy to manufacture.

Description

Headrest band Tight Control System for hard hat

The present invention relates to a headrest band tightening adjustment device for a hard hat, which will be described in more detail, the headrest band and tightening adjustment device of the hard hat is configured to be in close contact with the entire head of the wearer so that the hard hat is not peeled off well, and thus safety In addition, to provide a headrest band tightening adjustment device for a hard hat that can significantly improve the fit.

In general, a hard hat worn to protect the head of an operator from falling objects in various industrial sites, wherein the hard hat is fixed to the body made of high-strength plastic or the like fixed to a cushion such as styrofoam, the worker inside the body The head restraint band is installed in contact with the head and the circumference of the head so that when the shock occurs, the main body does not directly impact the head and is ventilated inside the hard hat, and the head is located in the hard hat. The lower and lower side of the support band is installed to adjust the headrest band to adjust the headrest band to be in close contact with the head of the operator to configure the helmet to be worn more firmly on the head, the tightening control device The rack should be placed opposite the ends of the headrest band. It is formed so as to be overlapped between the contact between the close contact with the back of the head and the adjusting piece coupled to the rear side of the contact cover, wherein the engaging projection is formed on the upper and lower sides of the left and right sides of the contact cover, respectively, the upper and lower sides of the left and right sides of the adjustment piece A coupling groove is formed in which the engaging projection of the close cover is fixedly coupled so that the coupling is formed as a whole except for the inlet hole where the rack is inserted into both ends of the close cover and the adjusting piece. It is configured to rotate freely, and the pinion is fixed to the rotation shaft and the pinion coupled to the teeth of the head restraint band on the inside of the tightening control device to rotate the pinion is rotated to control the pinion is rotated close to the cover and It can be collected or spread between the adjusting pieces so that In a situation that the headrest band so as to be released tighten or loosen close contact with each other.

However, the conventional headrest band tightening control device 100 for the conventional hard hat as shown in Figures 4 to 5, even if the headrest band (3) is adjusted to the head by rotating the adjustment knob (7) to close contact The entire cover 101 is coupled to the adjusting piece 102 so that the entirety of the close cover 101 may not be in close contact with the back of the head H, according to the shape of the back of the operator H, and both sides of the close cover 101 of FIG. A part of the headrest band (3), which is spaced apart from the back of the head (H), like the A part, also has the disadvantage of floating in the back of the head (H), which has the disadvantage of being easily peeled off or turned back by the external force, which is a worker The safety of the head has to be safe from the purpose of the safety of the head, and the head cover band (3) and the tight cover 101 of the tightening control device 100 is separated from the rear head (H) safety This would fit had a number of problems, such as being significantly reduced.

In the present invention to solve the above problems of the prior art as a new technology, the head cover band tightening adjustment device for the helmet of the present invention as opposed to the entire close contact cover in the adjustment head in the conventional headrest band tightening adjustment device The wing cover of the close cover is configured so that both sides of the close cover is not coupled with the adjusting piece so that both wing portions of the close cover have elasticity, and the head support band is brought into close contact with the entire head by the rotation of the adjusting knob. As the part is curved, it adheres completely to the back of the head, so that the head cover band and the tight cover of the tightening control device are not separated from the head so that the hard hat can be worn more firmly, thereby maximizing safety and at the same time improving the wearing comfort. Headrest Band Tightening Adjuster Samneunda to provide a technical problem to solve by the present invention.

In the present invention as a specific means for solving the problem of the above invention, the close contact with the back of the head, the adjusting piece is configured to be coupled to the close cover so that the rotation shaft of the adjustment knob is freely rotated, and between the close cover and the adjusting piece In the conventional safety helmet head restraint band tightening control device consisting of a rack fixed to the pivot shaft opposite to both ends of the head support band, and a pinion configured to be geared to the rack, the contact cover is a pair of upper and lower centers, respectively. The engaging projection of the outwardly formed, the control piece is formed in the pair of coupling grooves respectively inward to correspond to the coupling projection of the close contact cover in the upper and lower middle, the middle of the contact with the control piece on both sides of the close cover. Tension to bend forward with reference and form several valleys vertically on the front The wing unit is integrally formed so as to be separated from both sides of the adjusting piece. According to the above configuration, when the control knob is rotated so that the head support band is brought into close contact with the head, both wing parts of the contact cover are tightened by the force of the head support band. It is separated from both sides of the adjusting piece, and close contact is made without being separated from the back of the head.

According to the specific means for solving the above problems, by configuring the wing portion that is not coupled to the control piece on both sides of the tight cover of the head restraint band tightening control device for the helmet to have a tension to be in close contact with the back of the head, the entire tight cover in the conventional tightening control device Is coupled to the adjusting piece so that both sides of the close cover are spaced apart from the back of the head, and when the headrest band is brought into close contact with the entire head by the rotation of the adjusting knob, the wing of the close cover is bent and completely adheres to the back of the head. Since the tight cover of the tightening control device is not spaced apart from the head, the hard hat can be worn more firmly, thereby maximizing safety because the hard hat is not easily peeled off or retracted from the head. Close to the exhaust to eliminate the inconvenience It is possible to double the wearing rate of the hard hat in the industrial field by greatly improving the wearing comfort of the hard hat, and it is functionally complicated without making the manufacturing cost, etc., as it is not constitutively complicated or cumbersome compared with the conventional head head band tightening control device. It is a great invention that the expected effect is such that it can provide a superior product.

1 is a perspective view showing the internal configuration of a hard hat to which the present invention is applied
Figure 2 is an exploded perspective view showing the configuration of the main cover close contact and the adjusting piece of the present invention
3 is a cross-sectional view showing a preferred example of the present invention, an exemplary view showing the action before and after the present invention is in close contact with the back of the head.
Figure 4 is an exploded perspective view showing the configuration of the close cover and the adjustment piece in the prior art
5 is a cross-sectional view of the tightening control device is applied to the close cover and the adjusting piece of Figure 4

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

The present invention, as shown in Figure 1 in the head of the worker to the inside of the main body (2) made of high-strength plastic and the like located on the outermost side in the helmet (1) worn to protect the head of the worker from falling objects in various industrial sites and The headrest band (3), in which the head of the wearer's back (H) is located, has a headrest band (3) installed in contact with the circumference to prevent direct impact from being applied to the head and to allow ventilation inside the helmet (1). It relates to a tightening control device (4) for adjusting so that the headrest band (3) in close contact with the head of the wearer by adjusting from the rear lower side.

Both ends of the headrest band (3) in the headrest band (3) tightening adjustment device (4) for the hard hat (1) is coupled to the rear cover of the close cover (5) and the close cover (5) in contact with the rear head (H) It is configured to be interposed between the adjusting piece (6), the through hole (6a) formed on the rear side of the adjusting piece 6 is configured to freely rotate the rotating shaft (8) of the adjusting knob (7), the rotating shaft ( 8) In the interior of the tightening control device (4) to the pinion coupled to the gear and the rack integrally formed on both ends of the head support band (3) is fixed to rotate the pinion is rotated when the adjustment knob (7) is operated to rotate both racks The head cover band 3 is tightened or loosened to the head of the operator by being collected or spread between the close cover 5 and the adjusting piece 6 so that the above configuration is applied to the general safety helmet 1. Configuration.

In the present invention, in configuring the headrest band (3) tightening control device (4), the close contact cover 5 and the adjustment knob (7) in contact with the rear head (H) is installed is coupled to the close cover (5) As the configuration of the adjusting piece 6 is positively improved, as shown in FIG. 2, the structure of the close cover 5 of the tightening adjusting device 4 is formed in an arc shape when viewed in a planar view, and a pair of upper and lower centers is formed. Of the engaging projection 51 is formed outward, the configuration of the adjusting piece 6 of the tightening control device 4 is formed in an arc shape in plan view to have the same diameter as the close cover 5, the upper and lower inner center The coupling protrusion 51 of the close cover 5 is forcibly fitted to the coupling protrusion 51 corresponding to the coupling protrusion 51 so that the coupling protrusion 51 is fixedly fixed to the opposite side of the close cover 5. Adjusting piece (6) on the basis of the center of the close cover (5) is engaged with the piece (6) It is separated from both sides of the helmet (1) has a wing portion (9) having a tension to be bent into the main body (2) of each of the integrally configured, as shown in FIG. 7) by rotating the headrest band (3) in close contact with the head when the headrest band (3) is tightened while the wing parts (9) on both sides separated from the adjusting piece (6) to bend forward. As shown in the bottom view of 3, the entire front of the close cover 5 is completely in close contact with the back of the head (H), on the contrary, by rotating the control knob (7) installed on the adjusting piece (6) of the tightening control device (4) When the head restraint band 3 is loosened from the head, the wing parts 9 on both sides are stretched toward the adjusting piece 6 by the tension of the material of the close cover 5, and as shown in the upper drawing of FIG. The wing 9 of the cover 5 is separated from the back of the head (H).

On the other hand, the front surface of the two wings (9) of the close cover 5, as shown in Fig. 2, each of the plurality of valleys 91 are formed vertically, the rotation operation of the adjustment knob (7) installed on the adjusting piece (6) When the headrest band (3) is in close contact with the head by the two wings (9) can be more smoothly bent to the front, the cross-sectional shape of the bone 91 is a variety of shapes, such as semi-circle, triangle and square It may be configured as, it is not limited to the semi-circular shape as shown in the figure as long as the front is opened and formed long vertically.

1: Hardhat 2: Body
3: headband 4: tightening adjustment device
5: Close cover 51: engaging projection
6: adjusting piece 61: coupling groove
6a: Through-hole 7: Adjusting knob
8: Coaxial 9: Wings
91: Goal H: The back of the head

Claims (2)

Both ends of the headrest band (3) of the hard hat (1) is installed to rotate freely on the adjusting piece (6) between the close contact cover (5) in contact with the rear head (H) and the adjusting piece (6) coupled to the close cover (5) In the headrest band (3) tightening control device (4) for a conventional hard hat (1) made to adjust the tightening with the adjustment knob (7);
The close cover 5 is formed with a pair of engaging projections 51 outwardly up and down, respectively,
The adjusting piece 6 is formed such that the pair of coupling grooves 61 are respectively inward to correspond to the coupling protrusion 51 of the contact cover 5 in the upper and lower inside of the center,
On both sides of the close cover (5) is composed of a wing portion (9) having a tension to be bent forward with respect to the center of the adjustment piece (6) is engaged with the adjustment handle (7) headrest band (3) When adjusting the contact to the head, both sides of the wing cover (9) of the close cover (5) by the headrest band (3) is characterized in that the headrest band tightening control device for a helmet, characterized in that configured to be in close contact with the rear head (H).
The method according to claim 1;
Both sides of the wing portion (9) of the close cover (5) the headrest band tightening control device for a helmet characterized in that several valleys 91 are formed vertically.

Images