Helmet with split type skeleton structure
The present disclosure discloses a helmet with a split type skeleton structure. The helmet includes a helmet body; the helmet body is composed of a head guard and a chin guard which are separated; the head guard and the chin guard are mounted through cooperation between a fastened spliced skeleton and a plug pin; the spliced skeleton is composed of two skeleton connection members arranged inside the head guard and a chin skeleton arranged inside the chin guard; and hollows of a surface of the chin skeleton are fixedly connected with a plurality of one-piece structured reinforcing ribs.
1. A helmet with a split type skeleton structure, comprising a helmet body ( 1 ), wherein the helmet body ( 1 ) is composed of a head guard ( 11 ) and a chin guard ( 12 ) which are separated, and the head guard ( 11 ) and the chin guard ( 12 ) are mounted through cooperation between a fastened spliced skeleton ( 2 ) and a plug pin ( 23 );
the spliced skeleton ( 2 ) is composed of two skeleton connection members ( 21 ) arranged inside the head guard ( 11 ) and a chin skeleton ( 22 ) arranged inside the chin guard ( 12 ); the chin skeleton ( 22 ) defines at least one hollow portion and a plurality of one-piece structured reinforcing ribs ( 221 ) are fixedly connected in the at least one hollow portion;
the helmet body ( 1 ) is of a three-layer structure; an expanded polystyrene (EPS) liner ( 101 ) is located at a middle layer, the EPS liner ( 101 ) is wrapped outside the skeleton connection members ( 21 ) and the chin skeleton ( 22 ); an inner side of the EPS liner ( 101 ) is adhered with an EPS inner layer ( 102 ); and an outer side of the EPS liner ( 101 ) is adhered with a polycarbonate (PC) surface layer ( 103 ), wherein the bottom of one side of each skeleton connection member ( 21 ) is fixedly connected with a one-piece structured T-shaped sliding clamping head ( 211 ): the top of one side of each skeleton connection member ( 21 ) is fixedly connected with a one-piece structured sleeve member ( 212 ); and a first plug hole ( 213 ) is formed in a surface of the sleeve member ( 212 ).
2. The helmet with the split type skeleton structure according to claim 1 , wherein a plug opening ( 222 ) and a clamping opening ( 223 ) are formed in one side of each of two sides of the chin skeleton ( 22 ) in sequence from top to bottom; the plug opening ( 222 ) communicates with the inside of the clamping opening ( 223 ), and a width of the clamping opening ( 223 ) is less than that of the plug opening ( 222 ); and each T-shaped sliding clamping head ( 211 ) is fastened to the clamping opening ( 223 ) after passing through the plug opening ( 222 ).
3. The helmet with the split type skeleton structure according to claim 2 , wherein the top of each of two ends of the chin skeleton ( 22 ) is fixedly connected with a one-piece structured sleeve head ( 224 ); the sleeve head ( 224 ) is matched with each sleeve member ( 212 ) in size and is plugged and fixed with the sleeve member ( 212 ); and a second plug hole ( 2241 ) is formed in a surface of the sleeve head ( 224 ).
4. The helmet with the split type skeleton structure according to claim 3 , wherein a sunken pin hole ( 111 ) penetrating through the EPS inner layer ( 102 ) and the EPS liner ( 101 ) is formed in the inner side of the head guard ( 11 ); and the sunken pin hole ( 111 ) is plugged and fixed with the second plug holes ( 2241 ) and the first plug holes ( 213 ) through plug pins ( 23 ).
5. The helmet with the split type skeleton structure according to claim 1 , wherein open slots ( 112 ) with inclined “7”-shaped sections are formed in positions of the head guard ( 11 ) directly facing the skeleton connection members ( 21 ), and fastening bulges matched with the open slots ( 112 ) are arranged at positions of the chin guard ( 12 ) directly facing the chin skeleton ( 22 ).
6. The helmet with the split type skeleton structure according to claim 1 , wherein the skeleton connection members ( 21 ) and the chin skeleton ( 22 ) are made of different materials.