Steel frame snowmobile shoe

Abstract

The application discloses a steel-frame bobsleigh sports shoe, which comprises a sole, a vamp and a back piece wrapping around a heel part of the vamp, wherein a smooth and continuous ridge line is arranged on an outer surface of the back piece, an arbitrary plane parallel to a first plane intersects with the outer surface of the back piece to form a first intersection line, the first plane is a plane for supporting the sole, an intersection point of the first intersection line and the ridge line is a most rear point on the first intersection line, and the most rear point on the first intersection line is a first last point; the ridge line is bent rearward and has a most rear point, the most rear point on the ridge line is a second last point, and the second last point is located in a middle part of the ridge line. By adopting the technical scheme, the steel-frame bobsleigh sports shoe can reduce air resistance and improve competition results during sports.

Description

Technical Field

[0001] This invention relates to the field of professional sports footwear, specifically to a steel-framed bobsleigh shoe. Background Technology

[0002] Skeleton is a Winter Olympic sport, a skating racing event. During the competition, athletes run on ice, jump onto a skeleton, and lie prone on the skeleton with their heads facing forward. They then glide along a 1200-1300 meter inclined, winding ice track. The athlete with the shortest time wins. While lying prone on the skeleton, the athlete's boots are positioned with the soles facing upwards and the heels forward (e.g.,...). Figure 1 (As shown). Because skating is a high-speed activity, reaching speeds of up to 140 kilometers per hour, the air resistance experienced by the skates affects the speed of the skeleton. Existing skeleton skates generally have a rounded heel, creating a large and evenly distributed impact surface during high-speed skating, resulting in significant air resistance. Therefore, existing skeleton skates experience considerable wind resistance, impacting competition results in skeleton racing. Summary of the Invention

[0003] The purpose of this invention is to overcome the aforementioned defects or problems in the prior art and to provide a skeleton running shoe that reduces air resistance during the athlete's prone gliding on the skeleton, thereby improving the athlete's performance in skeleton racing.

[0004] To achieve the above objectives, the following technical solution is adopted:

[0005] A steel-frame bobsleigh shoe includes a sole and an upper fixed to the upper surface of the sole. It also includes a rear panel that wraps around the heel of the upper. The outer surface of the rear panel has a smooth, continuous ridge. The outer surface of the rear panel intersects with any plane parallel to a first plane to form a first intersection line. The first plane is a plane used to support the sole. The intersection point of the first intersection line and the ridge line is the rearmost point on the first intersection line, which is a first rearmost point. The ridge line curves backward and has a rearmost point, which is a second rearmost point located in the middle of the ridge line.

[0006] Furthermore, the first intersection line is a curve formed by a smooth connection.

[0007] Furthermore, the ridge line is located on a longitudinal section, which is perpendicular to the first plane.

[0008] Furthermore, the longitudinal section containing the ridge line intersects with the outer surface of the heel portion of the sole to form a second intersection line, and the common tangent of the second intersection line and the ridge line slopes forward in a direction from top to bottom.

[0009] Furthermore, any longitudinal section perpendicular to the first plane intersects the outer surface of the rear piece to form a third intersection line, and the longitudinal section containing the third intersection line intersects the outer surface of the heel portion of the sole to form a fourth intersection line. The common tangent of the third intersection line and the fourth intersection line is inclined forward in a direction from top to bottom.

[0010] Compared with existing technologies, the above solution has the following advantages:

[0011] During the high-speed gliding of skeleton, athletes lie prone on the skeleton with the heels of their boots facing forward. Because the outer surface of the heel plate has smooth, continuous ridges, high-speed airflow can flow from both sides of the ridges towards the toe, achieving the effect of diverting and guiding the airflow. Furthermore, the ridges curve backward to form the rearmost point in the middle, making the entire heel plate streamlined. Compared to the heel of existing boot technologies, the windward surface of the heel of skeleton boots is smaller, thereby reducing air resistance.

[0012] The first intersection line is a smooth and continuous curve, which makes the rear piece streamlined in the lateral direction, thus reducing air resistance.

[0013] The ridge line is set on the longitudinal section, making the rear piece streamlined in the longitudinal direction, which is more conducive to reducing air resistance.

[0014] The common tangent of the second intersection line and the ridge line slopes forward from top to bottom, and the common tangent of the third intersection line and the fourth intersection line slopes forward from top to bottom. This makes the entire outer surface of the heel of the athletic shoe, including the sole, form a streamlined shape that bulges backward. This further helps to reduce air resistance and overcomes the defect of existing athletic shoes where the heel of the upper and the heel of the sole are stepped, resulting in greater air resistance. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments, the accompanying drawings used are briefly described below:

[0016] Figure 1 The pose of an athlete lying prone on a skeleton;

[0017] Figure 2 This is a schematic diagram of the athletic shoes in the embodiment;

[0018] Figure 3 These are the front and side views of the rear piece in the embodiment;

[0019] Figure 4 This is a partial cross-sectional view of the heel of the athletic shoe in the embodiment. Figure 1 ;

[0020] Figure 5 This is a partial cross-sectional view of the heel of the athletic shoe in the embodiment. Figure 2 ;

[0021] Figure 6 This is a partial cross-sectional view of the heel of the athletic shoe in the embodiment. Figure 3 ;

[0022] Figure 7 This is a partial cross-sectional view of the heel of the athletic shoe in the embodiment. Figure 4 .

[0023] Explanation of key figure labels:

[0024] Sneaker 1000, sole 1, second intersection line 11, fourth intersection line 12, upper 2, heel piece 3, spine line 31, second last point 311, first intersection line 32, first last point 321, third intersection line 33. Detailed Implementation

[0025] Unless otherwise specified, the terms “first,” “second,” or “third,” etc., in the claims and description are used to distinguish different objects and not to describe a particular order.

[0026] Unless otherwise specified in the claims and description, the terms "fixed connection" or "fixed connection" shall be interpreted broadly to mean any connection in which there is no displacement or relative rotation relationship between the two parties, including non-removable fixed connection, detachable fixed connection, integral connection, and fixed connection by other means or components.

[0027] Unless otherwise specified, the terms “comprising,” “having,” and variations thereof in the claims and description shall mean “including but not limited to.”

[0028] In the claims and description, unless otherwise specified, the term "down" refers to the direction in which the sole of the shoe points when the athlete is standing; the term "front" refers to the direction in which the toe of the shoe points when the athlete is standing; and the term "left" refers to the outer side of the left side of the shoe when the athlete is standing. The term "up" is the opposite of "down"; the term "back" is the opposite of "front"; the term "right" is the opposite of "left"; and the term "last point" refers to the last point in the direction relative to "front".

[0029] The technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings.

[0030] See Figure 2 , Figure 2 The skeleton shoe 1000 of this embodiment is shown. The skeleton shoe 1000 includes a sole 1, an upper 2, and a heel counter 3. The upper 2 is fixed to the upper surface of the sole 1. The sole 1 and the upper 2 form a foot cavity that encloses the foot. The shoe 1000 is divided into a forefoot section, a midfoot section, and a heel section from front to back. Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 As shown, the bobsleigh shoe 1000 has a rear panel 3 at its heel, which wraps around the heel of the upper 2. The outer surface of the rear panel 3 has a smooth, continuous ridge 31. The outer surface of the rear panel 3 intersects with any plane parallel to a first plane to form a first intersection line 32. The first plane is the plane used to support the sole 1. The intersection point of the first intersection line 32 and the ridge line 31 is the rearmost point on the first intersection line 32, which is the first last point 321. The ridge line 31 curves backward and has a rearmost point, which is the second last point 311, located in the middle of the ridge line 31. In this embodiment, the ridge line 31 is located on a longitudinal section perpendicular to the first plane, and the first intersection line 32 is a smoothly connected curve. The longitudinal section containing the ridge line 31 intersects the outer surface of the heel of the sole 1 to form a second intersection line 11. The common tangent of the second intersection line 11 and the ridge line 31 slopes forward from top to bottom. Any longitudinal section perpendicular to the first plane intersects the outer surface of the rear piece 3 to form a third intersection line 33. The longitudinal section containing the third intersection line 33 intersects the outer surface of the heel of the rear part of the sole 1 to form a fourth intersection line 12. The common tangent of the third intersection line 33 and the fourth intersection line 12 slopes forward from top to bottom.

[0031] In this embodiment, a smooth and continuous ridge 31 is provided on the outer surface of the rear piece 3 surrounding the heel of the upper, allowing high-speed airflow to flow from both sides of the ridge 31 towards the toe, achieving the effect of diverting and guiding airflow. Furthermore, the ridge 31 bends backward to form the rearmost point 321 in the middle, making the rear piece 3 streamlined overall, reducing the windward surface of the heel of the skeleton shoe 1000, thereby reducing air resistance. The first intersection line 32 is a smooth and continuous curve, making the rear piece streamlined in the transverse direction, which is beneficial for reducing air resistance. The ridge 31 is located on the longitudinal section, making the rear piece 3 streamlined in the longitudinal direction, which is beneficial for reducing air resistance. The common tangent of the second intersection line 11 and the ridge 31 slopes forward from top to bottom, and the common tangent of the third intersection line 33 and the fourth intersection line 12 slopes forward from top to bottom, forming a rearwardly convex streamline on the outer surface of the heel of the shoe, including the sole 1, further reducing air resistance.

[0032] The description of the above specification and embodiments is used to explain the scope of protection of this application, but does not constitute a limitation on the scope of protection of this application.

Claims

1. A steel-frame bobsleigh shoe, comprising a sole and an upper fixed to the upper surface of the sole, characterized in that, It also includes a rear piece that wraps around the heel of the upper. The outer surface of the rear piece has a smooth and continuous ridge. The outer surface of the rear piece intersects with any plane parallel to the first plane to form a first intersection line. The first plane is a plane used to support the sole. The intersection point of the first intersection line and the ridge line is the rearmost point on the first intersection line. The rearmost point on the first intersection line is the first last point. The ridge line bends backward and has a rearmost point. The rearmost point on the ridge line is the second last point. The second last point is located in the middle of the ridge line.

2. The steel-framed bobsleigh shoe as described in claim 1, characterized in that, The first intersection line is a curve of a smooth connection.

3. The steel-framed bobsleigh shoe as described in claim 1, characterized in that, The ridge line is located on a longitudinal section, which is perpendicular to the first plane.

4. The steel-framed bobsleigh shoe as described in claim 3, characterized in that, The longitudinal section containing the ridge line intersects with the outer surface of the heel of the sole to form a second intersection line, and the common tangent of the second intersection line and the ridge line is inclined forward in a direction from top to bottom.

5. A steel-framed bobsleigh shoe as described in claim 3, characterized in that, Any longitudinal section perpendicular to the first plane intersects the outer surface of the rear piece to form a third intersection line, and the longitudinal section containing the third intersection line intersects the outer surface of the heel of the sole to form a fourth intersection line. The common tangent of the third intersection line and the fourth intersection line is inclined forward in the direction from top to bottom.

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