CN114617327A - A helmet and method of use - Google Patents

Abstract

The purpose of this application is to provide a helmet with a deflector and a method of use, to solve the problem of reducing the weight of the existing helmet and increasing the pressure load of the head, and how to use the fluid around the helmet to provide more functions, and how to use it in use. Problems such as the guiding direction of the helmet, in order to achieve the above purpose, the present application is achieved through the following technical solutions: a helmet, comprising a helmet body and a deflector, with a deflector outside the helmet body, and the shape and/or position of the deflector It is arranged that, during the use of the helmet, there is a lift force generated vertically upward along the chord line of the deflector, the deflector is in the shape of a symmetrical wing or a lift wing, and the deflector can be folded or/and disassembled, so The deflectors are arranged horizontally or vertically, and the helmet includes a helmet body and a deflector connected to the helmet body.

Description

A helmet and method of use

technical field

The present application relates to the field of helmets, in particular to a helmet with a deflector and a method of use.

Background technique

Existing helmets include bicycle helmets, motorcycle helmets and flight helmets, which have a protective effect on the human head. With the advancement of technology, many devices can be added to the helmet, such as cameras, VR glasses, navigation devices, communication devices, etc. Dadi has enriched the functions of the helmet. However, with the increase of equipment, the weight of the helmet is also increasing, which puts pressure on the head and neck of the human body, and causes fatigue and injury to the human body when used for a long time. In order to reduce the weight of the helmet, carbon fiber composite materials are used. Materials and other technical means are expensive and have reached the minimum amount. Under the premise of safety, there is no room to reduce the weight, and during the use of the helmet, for example, when riding a motorcycle or flying with a powered delta wing, the surrounding area of the helmet The fluid movement is violent, and the shape setting of the helmet seriously affects the use function and safety of the helmet. The existing technology cannot meet the needs. Therefore, it is necessary to design a helmet that reduces the pressure on the head and neck of the human body and realizes more application fields and functions.

SUMMARY OF THE INVENTION

The purpose of this application is to provide a helmet with a deflector and a method of use, so as to solve the problem of reducing the weight of the existing helmet and increasing the pressure load on the head, and how to use the fluid around the helmet to provide more functions, and how to use it in use. Helmet guide directions, etc.

In order to achieve the above purpose, the present application is achieved through the following technical solutions: a helmet, comprising a helmet body and a deflector, with a deflector outside the helmet body, and the shape and/or position of the deflector are set to be used in the helmet. In the process, there is a vertical upward lift along the chord line of the deflector; the human head wears a helmet, and the names of the various parts of the helmet are consistent with the names of the positions of the human head. The position of the face is the front of the helmet, the position near the neck is the bottom of the helmet, and the position near the back of the head is the rear of the helmet.

The guide vane is in the shape of a symmetrical vane or a lift vane.

The guide vanes can be folded and/and dismantled.

The guide vanes are arranged horizontally or vertically.

The helmet includes a helmet body and a deflector connected to the helmet body, and the deflector wings are arranged on the helmet body and/or the deflector.

A helmet according to any one of the above, further provided with a fixing plate 10, the fixing plate 10 is fixed on the helmet, the fixing plate 10 is provided with at least one groove 11, one end of the plurality of grooves 11 is open and extends along the With the axis of the fixed disk 10 distributed in the circumferential direction, the opening direction of the groove 11 faces the forward direction of the helmet in use, and the left end of the deflector blade 2 can be inserted into the groove 11 .

According to the helmet, the part of the deflector 2 embedded in the groove 11 is fitted with the groove 11 through interference fit, and at least one of the tenon-and-mortise structure and the buckle structure are fixed to each other.

A helmet according to any one of the above, further comprising a storage unit, the storage unit includes a fixing block 4, the fixing block 4 is fixed on the helmet, the fixing block 4 is provided with a shaft hole, the guide The left end of the flow wing 2 is provided with a connecting plate 9, the connecting plate 9 is provided with a shaft hole, the left end of the guide wing 2 is connected with a limit block 8, a fixed shaft 5, and a torsion spring 6 is sleeved on the fixed shaft 5, One end of the torsion spring 6 is connected to the helmet, and the other end of the torsion spring 6 is connected to the guide wing 2. The fixed shaft 5 passes through the shaft hole of the fixing block 4 and the shaft hole of the connecting plate 9 to connect the guide wing 2. Rotating and foldable connection with the helmet.

According to the above-mentioned helmet, the initial state of the storage unit is that the guide wings 2 are arranged in the left-right direction, and the torsion spring 6 acts on the guide wings 2, so that the left end of the limiting block 8 of the guide wings 2 is fixed to the left end. The right end of the block 4 is in contact, so that the guide vane 2 is in an extended state, and the guide vane 2 is restricted from rotating to the upper left during use. The wing 2 is rotated downward to the right and is close to the surface of the helmet, which reduces the space occupied by the helmet and facilitates storage.

A method of using a helmet, the human body rides on a bicycle or a motorcycle, the human body wears the above-mentioned helmet, and when driving in a straight line, the human body uses the guide wings on the helmet and the oncoming airflow to generate lift, reducing the impact of the helmet on the human body. Pressure, when turning and driving, the human body actively drives the helmet to incline to the inside of the turning direction, and the helmet deflector and the oncoming airflow act to generate an inclined inward lift. This lift can be decomposed into an upward force, which is to reduce the impact of the helmet on the human body. pressure, and a pulling force to the inside of the curve, its effect is to reduce centrifugal force, thus providing a safer and faster turn, or the human body wears the above helmet in flight, at this time the human body faces down, the top of the helmet faces forward, and the helmet visor Downward, the deflector is arranged in a vertical direction relative to the helmet, that is, when the top of the helmet is facing forward and the helmet visor is facing down, the deflector is in a horizontal state, and the deflector on the helmet is used to connect with the oncoming face. The air flow produces lift, reduces the pressure of the helmet on the neck of the human body, and assists the ascent or descent of the flight. When turning and flying, the human body actively drives the helmet to incline to the inside of the turning direction, and the deflector is inclined with the airflow from the top of the helmet. Inward lift, which can be decomposed into an upward force that reduces the pressure of the helmet on the human body, and a pulling force to the inside of the curve, which reduces centrifugal force, thus providing a safer and faster turn for flight.

Preferably, the deflectors are arranged on both sides of the helmet; the deflectors are arranged to have a lift force to make the helmet upward during the use of the helmet, and the lift force described here at least includes the force against gravity, because during the use of the helmet, the The position or direction will change, such as tilting the helmet, the deflector will also change position or direction together, so the direction of the generated lift will change, but there is a force in the opposite direction of gravity, that is, the top of the helmet or the helmet is generated. lift at the rear.

The technical solution of the present application is not only suitable for use in air, but also for use in water, for example, people diving in water for work or entertainment, and wearing a helmet with deflector wings of the present application, because water as a fluid has the same fluid characteristics as air , can achieve the same function and effect.

The horizontal or vertical arrangement of the guide vane of the present application, including but not limited to complete horizontal or vertical, is allowed to have the same Certain angle.

The beneficial effects of the present application are: by adopting the method and device for setting a helmet deflector wing described in the present application, the fluid dynamics principle is used to make the deflector vane of the helmet generate lift during use, reducing the impact of the helmet on the head and neck of the human body. At the same time, the inclined force is generated by the human body to actively drive the inclination of the helmet and the deflector to realize the lateral pulling force, which helps control and safe use. At the same time, the use of this application can reduce weight and reduce riding. It has the function and effect of saving manpower and energy.

Description of drawings

Fig. 1 is the front view that the guide vane of the application is arranged horizontally;

2 is a schematic side view of the horizontal arrangement of the guide vane of the application;

FIG. 3 is a schematic view of the deflector vane of the application being horizontally arranged on a deflector;

4 is a front view of the vertical arrangement of the deflector of the application;

5 is a schematic side view of the vertical arrangement of the guide vane of the application;

FIG. 6 is a schematic diagram of the deflector vane of the present application being vertically disposed on the shroud;

7 is a schematic diagram of the connection between the deflector and the helmet of the application;

8 is a schematic diagram of the storable connection between the deflector and the helmet of the application;

Fig. 9 is another schematic diagram of the storable connection between the deflector and the helmet according to the application;

10 is a schematic diagram of force analysis in use of the helmet of the application;

11 is a schematic cross-sectional view of the helmet deflector of the application;

12 is a schematic diagram of the helmet of the present application in flight use;

In the figure, 1-helmet body, 2-deflector, 3-shroud, 4-fixed block, 5-fixed shaft, 6-torsion spring, 7-step, 8-limiting plate, 9-connecting plate, 10 -Fixed plate, 11-card slot, 21-shaft hole, 22-second card slot, 23-nut, 24-elastic washer, 25-screw, 26-second fixed seat, 27-second card slot.

Detailed ways

The application is further described below in conjunction with specific embodiments,

Fig. 1 is the front view that the guide vane of the application is arranged horizontally; Fig. 2 is the side schematic view that the guide vane of the application is arranged horizontally; The two sides of the helmet body 1.

3 is a schematic diagram of the deflector wings of the application being arranged horizontally on the deflector; the helmet is provided with a deflector 3 at the rear of the helmet to reduce the wind resistance of the helmet. on cover 3.

Fig. 4 is the front view of the vertical arrangement of the deflector of the application; Fig. 5 is the side schematic diagram of the vertical arrangement of the deflector of the application; Fig. 1 is the helmet body, 2 is the deflector, and the deflector 2 is vertical It is fixed to the two sides of the helmet body 1 straightly.

Fig. 6 is a schematic diagram of the deflector of the application being vertically arranged on the deflector; the helmet is provided with a deflector 3 at the rear of the helmet to reduce the wind resistance of the helmet. As an embodiment, the deflector 2 can be vertically arranged on the deflector Flow hood 3 on.

Embodiment In Figs. 1-6, it can be understood that the deflector 2 can be arranged at least one on the left and right of the helmet body 1, and a plurality of deflectors 2 can also be provided, such as double-layer deflectors parallel to each other, and the deflector 2 When the helmet body 1 moves forward and the fluid passes through, lift force is generated and transmitted to the helmet body 1 .

7 is a schematic diagram of the connection between the deflector and the helmet of the application; a fixing plate 10 is provided, the fixing plate 10 is fixed on the helmet, and at least one clip slot 11 is arranged on the fixing plate 10. and two vertical card slots 11, one end of the plurality of card slots 11 is open and distributed along the circumference of the axis of the fixed disk 10, the opening direction of the grooves 11 is toward the forward direction of the helmet, and the left end of the deflector 2 can be embedded The card slot 11, the part of the guide vane 2 embedded in the card slot 11 and the card slot 11 are fitted through interference fit, and at least one of the tenon-and-mortise structure and the buckle structure are fixed to each other; The flow wing 2 is provided with the same slot, and the fixed plate 11 is provided with a matching part, and the two are embedded and fixed to each other.

It can be understood that the position of the opening of the said card slot 11 can be inclined upward at a certain angle. When the guide vane 2 is fixed in the card slot 11, the guide vane 2 forms an angle of attack with the horizontal, especially when the guide vane 2 is fixed on the card slot 11. When the shape is symmetrical, an angle of attack relative to the horizontal plane is set. During use, the diverter 2 can also be given an angle of attack relative to the incoming fluid through the movement of the head, which can improve the lift of the diverter 2. , the deflector 2 in this figure can be disassembled when not in use for easy storage.

8 is a schematic diagram of the storable connection between the deflector wing and the helmet of the application; it includes a storage unit, and the storage unit includes a fixing block 4, the fixing block 4 is fixed on the helmet, and the fixing block 4 is provided with a shaft hole and Step 7, the left end of the guide vane 2 is provided with a connecting plate 9, the connecting plate 9 has a shaft hole, the left end of the guide vane 2 is connected with a limiting block 8, a fixed shaft 5, and the fixed shaft 5 is sleeved A torsion spring 6 is provided, one end of the torsion spring 6 is connected to the helmet, the other end of the torsion spring 6 is connected to the guide wing 2, and the fixed shaft 5 passes through the shaft hole of the fixing block 4 and the shaft hole of the connecting plate 9 , connect the deflector 2 and the helmet in a rotatable and foldable manner. The initial state of the storage unit is that the deflector 2 is arranged in the left and right direction, and the torsion spring 6 acts on the deflector 2 to make the limit block of the deflector 2 The left end of 8 is in contact with the step 7 of the right end of the fixing block 4, so that the guide vane 2 is in an extended state, and restricts the guide vane 2 to rotate to the upper left during use. 6 power, the deflector 2 can be turned downward to the right, close to the helmet surface, reducing the space occupied by the helmet and facilitating storage, for example, in a helmet bag or box. When the external force disappears, for example, remove the helmet from the storage bag or box. Take it out from the inside, the guide vane 2 automatically stretches and opens by the elastic force of the torsion spring 6, and opens to a limited position for use.

Fig. 9 is another schematic diagram of the storable connection between the deflector wing and the helmet of the application; in the figure, 21-rotating shaft hole, 22-second slot, 23-nut, 24-elastic washer, 25-screw, 26-th Two fixed seats, 27- the second card slot pair, 2 is the guide vane, the left end of the guide vane 2 is provided with a shaft hole 21, the end face of the shaft hole 21 is provided with a second card slot 22, the second fixed seat 26 and the helmet For connection, a shaft hole is provided on the second fixed seat, and a second card slot pair 27 is arranged on the opposite inner surface of the two second fixed seat 26. The second card groove pair 27 and the second card groove 22 cooperate with each other, and 25 is a screw , after the screw 25 passes through the shaft hole of the second fixing seat 26 and the shaft hole 21 on the guide vane 2, passes through the elastic washer 24, and is locked with the nut 23, so that the end face of the rotating shaft hole 21 of the guide vane 2 is in the first place. The two clamping grooves 22 and the second clamping grooves 27 on the second fixing base 26 cooperate with each other to limit the position, so that the guide vane 2 is limited to different angular positions, and elastic washers 24 can be added to the screw 25 and the nut 23. The gasket 24 is arranged on the outer side of the second fixing seat 26 and the inner side of the nut 23 , and the deflector 2 can be folded close to the helmet body 1 when not in use.

FIG. 10 is a schematic diagram of the force analysis of the helmet in use of the application, and FIG. 11 is a schematic cross-sectional view of the helmet deflector of the application; the helmet is connected with the deflector 2, and FIG. 11 is a helmet deflector of the application. The schematic diagram of the wing symmetry and lift type. The upper guide wing in the figure is a symmetrical cross section, the middle and lower guide wings are the lift type cross section, and the dotted line on the way is the chord line of the guide wing. It can be understood that it is symmetrical The shape can also be sheet-like, and the lift type also has various structures. The embodiment of this figure is used to illustrate its principle. The symmetrical type deflector 2 is arranged on the helmet body 1 and needs to have a certain angle of attack to generate lift. The lift type The deflector 2 can have an angle of attack or not, and can generate lift by relying on its own asymmetric structure. When fluids such as air or water flow from the front to the rear of the helmet deflector 2, the deflector described in this application The wing 2 can generate lift perpendicular to its chord line. The deflector wing 2 can be made of wood, metal, plastic and/or composite materials, and can be hollow. Fluids such as water flow from the front to the rear of the deflector 2. The deflector 2 described in this application can generate lift. Because the helmet body 1 is inclined, the direction of the lift is also inclined, so the deflector generates a chord line perpendicular to the deflector. The lift Z, can be decomposed into the force along the horizontal X-axis, and the force along the vertical Y-axis, the force along the X-axis is used to resist the centrifugal force (ie centripetal force) due to steering, along the Y-axis The force in the axial direction is used to resist the pressure of the construction helmet gravity on the human body, and due to such a setting, the human body is benefited from the advancement and steering of riding and flying; Figure 12 is a schematic diagram of the helmet of the present application in flight use; this The accompanying drawings are used to further clearly illustrate the state of using the helmet of the present application during the flight of the human body. In the wingsuit flight, delta wing flight, paraglider flight and other similar activities, the human body is in a horizontal state during normal flight, the human head is in front, and the body is in a horizontal state. In the back, the arrow in the figure is the direction of the wind coming from the top of the helmet. In this figure, 1-helmet body, 2-deflector wing, 3-air deflector, in this drawing, the air deflector 3 is arranged symmetrically The shroud 3 changes its function due to the torsion of the human head, and together with the shroud 1, it has the function of assisting the steering.

The grooves described in this application can be strip-shaped, or can be concave-convex structures of other shapes with similar functions. For example, circular depressions and circular protrusions can also cooperate with each other to limit the position.

The horizontal or vertical arrangement of the guide vane of the present application, including but not limited to complete horizontal or vertical, is allowed to have the same A certain included angle, especially when the cross-section of the corresponding deflector is a symmetrical airfoil, the deflector needs to have an included angle with the horizontal or vertical to obtain the required lift.

It can be seen that the above-mentioned embodiments of the present application are only used to illustrate rather than limit the present application. According to the prior art, various changes and combinations may be used, which are all within the protection scope of the present application.

Claims (10)

1. a helmet, comprising a helmet body and a deflector, and being provided with a deflector outside the helmet body, it is characterized in that: the shape and/or the position of the deflector are such that, during the use of the helmet, there is a The vertical upward lift of the deflector chord line. 2 . The helmet according to claim 1 , wherein the deflector wing is in the shape of a symmetrical wing or a lift wing. 3 . 3. The helmet according to claim 1, wherein the deflector can be folded and/or disassembled. 4 . The helmet according to claim 1 , wherein the deflectors are arranged horizontally or vertically. 5 . 5. The helmet according to claim 1, wherein the helmet comprises a helmet body and a shroud connected to the helmet body, and the shroud is arranged on the helmet body and/or the shroud . 6. The helmet according to any one of claims 1 to 5, characterized in that: a fixing plate (10) is further provided, the fixing plate (10) is fixed on the helmet, and the fixing plate (10) opens on the There is at least one groove (11,), a plurality of grooves (11) are open at one end and distributed circumferentially along the axis of the fixed disc (10), the opening direction of the groove (11) is toward the forward direction of helmet use, and the guide The left end of the flow vane (2) can be inserted into the groove (11). 7. A helmet according to claim 6, characterized in that: the part of the guide vane (2) embedded in the groove (11) cooperates with the groove (11) through interference fit, and the tenon-and-mortise structure and At least one of the snap structures is fixed to each other. 8. The helmet according to any one of claims 1 to 5, further comprising a storage unit, the storage unit comprising a fixing block (4), and the fixing block (4) is fixed on the helmet, The fixing block (4) is provided with an axle hole, the left end of the guide vane (2) is provided with a connecting plate (9), and the connecting plate (9) is provided with an axle hole, and the guide vane (2) is provided with an axle hole. The left end is connected with a limiting block (8), a fixed shaft (5), a torsion spring (6) is sleeved on the fixed shaft (5), one end of the torsion spring (6) is connected with the helmet, and the torsion spring (6) The other end is connected with the deflector (2), the fixed shaft (5) passes through the shaft hole of the fixing block (4) and the shaft hole of the connecting plate (9), and the deflector (2) is rotated and folded with the helmet ground connection. 9 . The helmet according to claim 8 , wherein the helmet according to claim 8 is characterized in that: in the initial state, the guide wings ( 2 ) are arranged in the left and right directions, and the torsion spring ( 6 ) acts on the guide wings ( 2 ), so that the guide wings ( 2 ) are The left end of the limiting block (8) of (2) is in contact with the right end of the fixing block (4), which restricts the guide vane (2) from rotating to the upper left during use, and overcomes the torsion spring under the action of the external force to the lower right (6), the deflector (2) can be rotated downward to the right, close to the helmet surface, reducing the space occupied by the helmet. 10. A method of using a helmet, the human body rides on a bicycle or a motorcycle, the human body wears the above-mentioned helmet, and when driving in a straight line, the human body uses the guide wings on the helmet and the oncoming airflow to generate lift, reducing the impact of the helmet on the helmet. The pressure of the human body, when turning and driving, the human body actively drives the helmet to incline to the inside of the turning direction, and the helmet deflector and the oncoming airflow act to generate an inclined inward lift. This lift can be decomposed into an upward force, and its role is to reduce the helmet. Pressure on the human body, and a pulling force towards the inside of the curve, which acts to reduce centrifugal force, thus providing a safer and faster turn, or the human body wears the above helmet in flight, with the human body facing down and the top of the helmet facing forward, The helmet face shield faces downwards, and the deflector wings are arranged in a vertical direction relative to the helmet, that is, when the top of the helmet faces forward and the helmet face shield faces downwards, the deflector wings are in a horizontal state, and the deflector wings on the helmet are used. It interacts with the oncoming airflow to generate lift, reduces the pressure of the helmet on the neck of the human body, and assists the ascent or descent of the flight. When turning and flying, the human body actively drives the helmet to incline to the inside of the turning direction, and the helmet deflector and the oncoming airflow act to produce an inclined direction. The lift can be decomposed into an upward force that reduces the pressure of the helmet on the human body, and a pulling force to the inside of the curve, which reduces the centrifugal force, thus providing a safer and faster turn for flight.

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