WO2020073402A1

WO2020073402A1 - Rudder and water surface apparatus comprising the rudder

Info

Publication number: WO2020073402A1
Application number: PCT/CN2018/114517
Authority: WO
Inventors: 丁小荣
Original assignee: 丁小荣
Priority date: 2018-10-10
Filing date: 2018-11-08
Publication date: 2020-04-16
Also published as: CN109204727A

Abstract

A rudder and a water surface apparatus comprising the rudder. The water surface apparatus comprises a water surface apparatus body (4) and a base (1) fixedly connected to the water surface apparatus body (4). The rudder (2) comprises a rudder connecting part (21). The rudder connecting part (21) comprises a fixed end (211) connected at one end to the base (1) and a free end (212) detachably connected at the other end to the base (1). The rudder (2) is rotatable relative to the base (1) with the fixed end (211) as the center. The rudder (2) comprises several limiting holes (213) and a limiting element (214) between the fixed end (211) and the free end (212). The limiting element (214) is fixed in any of the limiting holes (213). The limiting element (214) comprises an outer edge part. The outer edge part is in contact with the lower surface of the base (1). The rudder (2), by means of changes in the size of the diameter of the outer edge and/or the insertion of the limiting element (214) into different limiting holes (213), implements a connection angle adjustment of the rudder (2) relative to the base (1). The rudder (2) is provided with ailerons (3) on either side. The ailerons (3) are fixedly connected to the rudder (2) in a detachable manner. When connection angle between the rudder (2) and the base (1) changes, the angles between the ailerons (3) and the horizontal plane also change accordingly.

Description

Rudder and water device containing the rudder

Technical field

The invention relates to the field of sports equipment, in particular to a rudder and a water device including the rudder.

Background technique

Commonly used waterborne devices, such as surfboards or upright paddle boards, need to use the rudder to ensure the tracking of their taxis. The rudder is installed at the lower end of the surfboard or upright paddle board to control the course of the board, but it needs to rely entirely on the individual's balance ability to ensure balance and stability during use, which makes the operation difficult. At the same time, during the sliding process using a surfboard or an upright paddle board, the surfboard or the upright paddle board will also undulate on the water surface due to the user's up and down paddling, making the sliding process unstable.

In addition, the angle of the existing rudder mounted on a surfboard or an upright paddle board cannot be adjusted, and the function of the rudder cannot be fully utilized.

Summary of the invention

The technical problem to be solved by the present invention is to make up for the deficiencies of the above-mentioned prior art, and to provide a tail rudder with ailerons and an aquatic device including the tail rudder (may be a surfboard, an upright paddle board, etc.). It can be movably connected to the water device. The rudder includes a rudder connection part. The rudder connection part includes a fixed end connected to the water device at one end, and a free end detachably connected to the water device at the other end. The rudder is centered on the fixed end. It is rotatable with respect to the water device; between the fixed end and the free end of the rudder, there are a number of limit holes and limit parts, the limit parts are fixed in any limit hole, the limit parts include the outer edge part, the outer edge part It is in contact with the lower surface of the overwater device; the rudder is inserted into different limit holes through the change in the diameter of the outer edge and / or the limit piece, to achieve the adjustment of the connection angle of the rudder relative to the overwater device; There is an aileron. The aileron is detachably connected to the rudder. When the connection angle of the rudder with respect to the water device changes, the angle of the aileron with respect to the horizontal plane also changes.

Further, the aileron includes a connecting portion, and the two sides of the rudder respectively include connecting grooves. The connecting portion matches the shape of the connecting groove. The connecting portion is inserted into the connecting groove to achieve a fixed connection between the aileron and the rudder.

Further, the connecting groove includes a clamping hole, and the connecting portion includes a buckle. The buckle is elastically movable relative to the connecting portion. When the connecting portion is inserted into the connecting groove, the buckle is snapped into the locking hole, so that the aileron is firmly fixed on the rudder.

Further, the connection slot includes an upper connection slot and a lower connection slot, and an opening is included between the upper connection slot and the lower connection slot.

Further, the waterborne device includes a base, the base includes a hollow portion and a shoulder portion, the shoulder portion is disposed in the hollow portion and protrudes from the side wall of the hollow portion; the hollow portion includes a first channel and an upper cavity, and the rudder connecting portion includes a limit protrusion After the assembly is completed, the rudder connecting part is inserted in the first channel, the limiting protrusion is limited in the upper cavity, and is in contact with the upper surface of the shoulder.

Further, the hollow portion includes a second channel. The second channel intersects the first channel vertically. During assembly, the limiting protrusion passes through the second channel and is limited to the upper cavity.

Further, the rudder connection part includes a fixing hole and a fixing piece. The fixing piece includes a fixing screw and a fixing nut. During assembly, the limiting piece is limited to the lower surface of the base. The fixing screw passes through the fixing hole and is clamped with the fixing nut. After the assembly is completed, the fixing screw is fixed on the upper surface of the shoulder to realize the fixed connection between the rudder connection part and the base.

Further, the fixing hole is provided at the free end of the rudder.

Preferably, one end of the fixing screw includes a square end. After the assembly is completed, the square end is in the upper cavity, and the lower surface of the square end is in contact with the upper surface of the shoulder.

Further, the aileron includes a non-planar aileron upper surface and aileron lower surface, and the curvature of the aileron upper surface is greater than the curvature of the aileron lower surface.

The invention also includes a waterborne device that includes all the features of the rudder described above.

Compared with the prior art, the beneficial effects achieved by the present invention are:

The tail rudder provided by the present invention adds ailerons and is installed on the left and right sides of the rudder, so that the water device can generate resistance to the up, down, left and right swings during the sliding process, and increase the stability of the water device such as a surfboard or an upright paddle .

In addition, the rudder of the present invention can adjust its angle with the water device. Specifically, the angle between the rudder and the base can be adjusted by adjusting the position of the stopper and / or the diameter of the stopper, and further The angle between the plane that drives the aileron and the horizontal plane is different, and it generates resistance to the up, down, left, and right swings to meet different user environments and requirements. When the angle between the aileron plane and the horizontal plane is a positive number, the waterborne device of the present invention is used to row forward, and the side where the rudder is installed will generate a lift force, thereby reducing the water flow on the waterborne device. The impact on the side of the rear wing reduces the drag resistance.

BRIEF DESCRIPTION

FIG. 1 is an overall schematic diagram of a waterborne device including a rudder in the present invention;

2 is an overall schematic view of the tail rudder installed on the base in the present invention;

Figure 3 is an exploded view of the components shown in Figure 2;

FIG. 4 is an enlarged view of part A shown in FIG. 3;

FIG. 5 is a schematic diagram of the splitting of the limiting member in the present invention;

6 is a schematic diagram of another structural design of the limiter in the present invention;

7 is a plan view of the tail rudder mounted on the base in the present invention;

FIG. 8 is an enlarged view of part B shown in FIG. 7;

9 is a perspective view of the base in the present invention;

10 is a cross-sectional view taken along line E-E in FIG. 9;

11 is a bottom view of the base in the present invention;

12 is a schematic diagram of adjusting the rudder angle by changing the position of the limiter in the present invention;

13 is a schematic diagram of adjusting the angle of the rudder by replacing the diameter of the limiting member in the present invention;

14 is a left side view of the tail rudder mounted on the base of the present invention;

15 is a schematic diagram of another connection mode of the rudder and the base in the present invention.

Numbers in the figure:

1 base, 11 hollow, 111 first channel, 112 second channel, 113 upper cavity, 12 shoulders, 13 through holes; 2 rudder, 21 rudder connection, 211 fixed end, 2111 limit protrusion, 212 Free end, 2121 fixing hole, 213 limiting hole, 214 limiting piece, 2141 limiting main piece, 21411 (a) outer edge, 21412 middle section, 21413 tail end, 2142 limiting auxiliary piece, 21421 (b) outside Along the part, 215 fixing piece, 2151 fixing screw, 2152 fixing nut, 22 connecting groove, 221 card hole;

3 ailerons, 31 left wing, 311 connecting part, 3111 snap, 32 right wing;

4 Main body of water device.

detailed description

Hereinafter, the present invention will be further described based on preferred embodiments and with reference to the drawings.

In addition, in order to facilitate understanding, various components on the drawing are enlarged (thick) or reduced (thin), but this approach is not intended to limit the protection scope of the present invention.

Words in singular form also include plural meanings and vice versa.

The vocabulary in this specification is used to explain the embodiments of the present invention, but it is not intended to limit the present invention.

The invention provides a rudder and a water device including the rudder. The water device includes a water device body 4 and a base 1. Ailerons 3 are installed on both sides of the rudder 2 and the water device body 4 may be a surfboard or For various water slide devices such as an upright paddle board, the base 1 is installed on the bottom surface of the main body 4 of the water device, and the installation method may be adhesive or fixed connection through a limiting member such as a screw. The rudder 2 is fixedly connected to the base 1, and the aileron 3 is fixedly connected to the rudder 2.

The rudder 2 can adjust its connection angle with the base 1. Specifically, the rudder 2 includes a rudder connection 21, and the rudder connection 21 includes a fixed end 211 connected to the base 1 at one end and a detachable connection to the base 1 at the other end With the free end 212 connected, the rudder 2 can rotate with respect to the base 1 with the fixed end 211 as the center; there are a number of limiting holes 213 between the fixed end 211 and the free end 212, and the rudder connecting portion 21 includes a limiting member 214 The limiter 214 can be fixed in any of the limit holes 213. As shown in FIG. 12, when the limiter 214 is fixed in different limit holes 213, the connection angle between the rudder 2 and the base 1 is different.

Specifically, the limiting member 214 includes a limiting main member 2141 and a limiting auxiliary member 2142. The limiting main member 2141 is divided into an outer edge portion 21411 (a), a middle section 21412, and a trailing end 21413, and the limiting auxiliary member 2142 includes an external The diameter and shape of the edge 21421 (b), the outer edge 21411 (a), and the outer edge 21421 (b) are the same. After the assembly is completed, the middle section 21412 is stuck in the limit hole 213, and the tail end 21413 is fixedly connected to the limit accessory 2142. It should be noted that the present invention does not limit the way of the fixed connection, and can be a threaded connection or a Clamping; the outer edge portion 21411 (a) and the outer edge portion 21421 (b) are in contact with the lower surface of the base 1 to realize the limit function. Since the fixed end 211 is fixedly connected to the base 1, and the straight lines formed by the plurality of limiting holes 213 are not on the same horizontal line as the lower surface of the base 1, when the limiting member 214 is fixed in different limiting holes 213, The contact position of the outer edge portion with the lower surface of the base 1 is different, so the connection angle of the rudder 2 and the base 1 is then different.

As shown in FIG. 13, by changing the diameter of the stopper 214, the angle of the rudder 2 and the base 1 can be finely adjusted. Specifically, both the outer edge portion 21411 (a) and the outer edge portion 21421 (b) can be set as Different diameters, with a variety of specifications. When the stoppers 214 of different diameters are fixed in the same stopper hole 213, the distance between the center of the outer diameter of the larger diameter and the lower surface of the base 1 is further away, so that the connection angle between the rudder 2 and the base 1 is different .

It should be noted that the present invention does not limit the structural design of the limiter 214. Anything that can achieve the effect that the limiter 214 can adjust the connection angle of the rudder 2 and the base 1 are within the scope of protection of the claims of the present invention Inside. For example, as shown in FIG. 6, the middle section 21412 and the trailing end 21413 of the stopper 214 are disposed at an eccentric position of the outer edge portion 21411 (a). The shape of the outer edge portion 21421 (b) and the outer edge portion 21411 (a) and The dimensions are the same, and the position where the limiting accessory 2142 and the trailing end 21413 are fixed is set on the same straight line. When assembling, without changing the specifications of the stopper 214, the connection angle of the rudder 2 and the base 1 can be adjusted by directly adjusting the contact position of the outer edge portion with the lower surface of the base 1.

The base 1 includes a hollow portion 11 and a shoulder portion 12, the shoulder portion 12 is disposed in the hollow portion 11 and protrudes from the side wall of the hollow portion 11; the hollow portion 11 includes a first channel 111, a second channel 112, and an upper cavity 113, the first The channel 111 and the shoulder 12 are on the same plane, and between the shoulders 12 on the left and right sides, the corresponding positions of the shoulders 12 on the left and right are provided with grooves, that is, a second channel 112, a first channel 111 and The second channel 112 intersects vertically, the upper cavity 113 is inside the hollow portion 11 and at the upper end of the shoulder portion 12; the fixed end 211 includes a limiting protrusion 2111, which is limited to the upper space after passing through the second channel 112 during assembly The cavity 113 is locked on the upper surface of the shoulder portion 12, and the rudder connecting portion 21 is inserted into the first channel 111. The limit protrusion 2111 can also be a separate part, and the corresponding position on the rudder connection part 21 is a card hole. When assembling, first insert the rudder connection part 21 into the first channel 111, and then place the limit The protrusion 2111 is inserted into the fixing hole and fixed, so that the fixed limiting protrusion 2111 is stuck on the upper surface of the shoulder 12, thereby fixedly connecting the fixing end 211 and the base 1.

It should be noted that the above is a preferred embodiment of this embodiment, and any structural design that can achieve the fixed connection of the fixed end 211 of the rudder connection portion 21 and the base 1 is within the protection scope of the claims of the present invention. For example, as shown in FIG. 15, a portion corresponding to the limiting protrusion 2111 of the base 1 is provided with a through hole 13. During assembly, the rudder connecting portion 21 is inserted into the first channel 111, and the limiting protrusion 2111 passes through the through hole 13. Fix in it to realize the fixed connection between the fixed end 211 and the base 1.

The rudder connecting portion 21 includes a fixing hole 2121 and a fixing piece 215. Preferably, the fixing hole 2121 is provided at the free end 212. The fixing piece 215 includes a fixing screw 2151 and a fixing nut 2152. During assembly, the limiting piece 214 is limited to the base 1 On the lower surface of the fixing screw 2151 is inserted into the fixing hole 2121 and clamped with the fixing nut 2152 to fix the rudder connecting portion 21 on the base 1. One end of the fixing screw 2151 is a square end. After the assembly is completed, the square end is stuck in the upper cavity 113, and the lower surface of the square end is in contact with the upper surface of the shoulder 12, that is, the square end is stuck on the shoulder 12. The upper surface of the rudder enables the rudder 2 to be fixed on the base 1. One end of the fixing screw 2151 adopts a square end so that after the assembly is completed, the square end is caught in the upper cavity 113 and is not easy to fall off. It should be noted that one end of the fixing screw 2151 may also use a polygonal end. In this embodiment, a square end is preferably used.

The ailerons 3 are installed on the left and right sides of the rudder 2, and the ailerons 3 include a left wing 31 and a right wing 32, which have the same structure and opposite directions. Taking the left wing 31 as an example, the left wing 31 includes a connecting portion 311, and the connecting portion 311 includes a buckle 3111, which is elastically movable relative to the connecting portion 311; the rudder 2 includes a connecting groove 22, and the connecting groove 22 includes an upper connecting groove and a lower The connection slot, including an opening between the upper connection slot and the lower connection slot, allows the left wing 31 to pass through; the connection slot 22 is provided with a locking hole 221, and the connection part 311 matches the shape of the connection slot 22, when assembled, the connection part 311 is inserted into the connection slot 22, and the buckle 3111 is inserted into the fixing hole 221 for fixing, so as to realize the fixed connection between the left wing 31 and the rudder 2. When it is necessary to disassemble the left wing 31, press the buckle 3111 inward to disengage the buckle 3111 from the hole 221, and then pull out the connecting portion 311 from the connecting groove 22 to detach the left wing 31. The right wing 32 has the same structural design as the left wing 31, and the directions are opposite.

As shown in FIG. 14, the aileron 3 includes a non-planar upper surface of the aileron and a lower surface of the aileron. The curvature of the upper surface of the aileron is greater than the curvature of the lower surface of the aileron. , Resulting in a pressure difference, which generates lift to lift the water device up away from the water surface, reducing the resistance of the water.

The specific embodiments of the present invention have been described in detail above. For those skilled in the art, a number of modifications and improvements can be made to the present invention without departing from the principles of the present invention. These modifications and improvements also belong to the present invention. The protection scope of the invention claims.

Claims

A rudder, which can be movably connected with a water device, is characterized by:

The rudder (2) includes a rudder connection portion (21), the rudder connection portion (21) includes a fixed end (211) connected to the water device at one end, and the other end is detachable from the water device A free end (212) connected, the rudder (2) is centered on the fixed end (211), and is rotatable relative to the water device;

The fixed end (211) and the free end (212) of the rudder (2) include a plurality of limit holes (213) and a limit member (214), the limit member (214) is fixed to the In a limiting hole (213), the limiting member (214) includes an outer edge portion, and the outer edge portion is in contact with the lower surface of the waterborne device;

The tail rudder (2) is inserted into different limit holes (213) through the diameter change of the outer edge portion and / or the limiter (214) is inserted to realize the relative position of the tail rudder (2) Adjustment of the connection angle of the above water device;

Ailerons (3) are installed on both sides of the rudder (2), the ailerons (3) are detachably fixedly connected to the rudder (2), when the rudder (2) is opposite to the When the connection angle of the waterborne device changes, the included angle of the aileron (3) relative to the horizontal plane also changes accordingly.
A rudder according to claim 1, characterized in that the aileron (3) includes a connecting portion (311), and both sides of the rudder (2) include connecting grooves (22), the connecting The part (311) matches the shape of the connecting groove (22), and the connecting part (311) is inserted into the connecting groove (22) to realize the aileron (3) and the rudder (2) Fixed connection.
A rudder according to claim 2, characterized in that the connection groove (22) includes a clamping hole (221), the connection portion (311) includes a buckle (3111), and the buckle (3111) ) Relative to the connecting portion (311) is elastically movable, when the connecting portion (311) is inserted into the connecting groove (22), the snap (3111) snaps into the locking hole (221) The aileron (3) is firmly fixed on the rudder (2).
A rudder according to claim 2, wherein the connecting groove (22) includes an upper connecting groove and a lower connecting groove, and an opening is included between the upper connecting groove and the lower connecting groove.
A rudder according to claim 1, wherein the waterborne device includes a base (1), the base (1) includes a hollow portion (11) and a shoulder portion (12), the shoulder portion (12) 12) Set in the hollow portion (11) and protrude from the side wall of the hollow portion (11); the hollow portion (11) includes a first channel (111) and an upper cavity (113), the tail The rudder connection part (21) includes a limit protrusion (2111). After the assembly is completed, the rudder connection part (21) is inserted into the first channel (111), and the limit protrusion (2111) is limited It is located in the upper cavity (113) and is in contact with the upper surface of the shoulder (12).
A rudder according to claim 5, characterized in that the hollow portion (11) includes a second channel (112), the second channel (112) and the first channel (111) perpendicularly intersect During assembly, the limiting protrusion (2111) is limited in the upper cavity (113) after passing through the second channel (112).
A rudder according to claim 5, wherein the rudder connection portion (21) includes a fixing hole (2121) and a fixing member (215), and the fixing member (215) includes a fixing screw (2151) ) And a fixing nut (2152), during assembly, the limiting member (214) is limited to the lower surface of the base (1), and the fixing screw (2151) passes through the fixing hole (2121), and The fixing nut (2152) is clamped, and after the assembly is completed, the fixing screw (2151) is fixed on the upper surface of the shoulder (12) to realize the rudder connecting portion (21) and the base ( 1) Fixed connection.
A rudder according to claim 7, characterized in that the fixing hole (2121) is provided at a free end (212) of the rudder (2).
A rudder according to claim 1, characterized in that the aileron (3) comprises a non-planar aileron upper surface and aileron lower surface, the curvature of the aileron upper surface is greater than the aileron lower surface Of curvature.
An aquatic device, characterized by comprising the rudder according to any one of claims 1-9.