CN220181051U

CN220181051U - Surfing board tail fin

Info

Publication number: CN220181051U
Application number: CN202321606629.1U
Authority: CN
Inventors: 张航
Original assignee: Songtao Xinli Composite Material Technology Co ltd
Current assignee: Songtao Xinli Composite Material Technology Co ltd
Priority date: 2023-06-25
Filing date: 2023-06-25
Publication date: 2023-12-15
Anticipated expiration: 2033-06-25

Abstract

The utility model relates to the technical field of water sports equipment, in particular to a surfboard tail fin, which comprises a fin seat and a fin plate, wherein a T-shaped groove is formed in the upper end of the fin seat, a T-shaped plate is fixedly connected to the lower end of the fin plate, the T-shaped plate is in sliding fit with the T-shaped groove, a reinforcing part is arranged between the T-shaped plate and the fin plate, a plurality of screw holes are formed in the inner bottom end of the T-shaped groove in a linear array manner, studs are penetrated and screwed at the edges of two sides of the upper end of the T-shaped plate, and the two studs are respectively in threaded fit with the two screw holes, so that the utility model has the beneficial effects that: through fin seat, fin, T type groove, T template, screw, double-screw bolt, rotating member, arced face hole, elastic mechanism and spacing post mutually support, the fin in this tail fin can be on this fin seat along the surfboard direction forward or adjust a part distance backward, and the adjustment is convenient, therefore, under different surfing conditions, the sportsman need not to purchase the surfboard of different styles, has reduced the cost of surfing.

Description

Surfing board tail fin

Technical Field

The utility model relates to the technical field of water sports equipment, in particular to a surfboard tail fin.

Background

The surfboard tail fin is a fin mounted on the rear of the surfboard for controlling the direction and stability of the surfboard in water. During surfing, the function of the tail fin is to control the direction of the surfboard by changing the direction and speed of the water flow to help the surfer better control the surfboard. The existing surfboard tail fin mainly comprises a fin seat and a fin plate, wherein the fin seat is fixedly arranged at the rear part of the surface of the surfboard, and the fin plate is slidably connected in the fin seat and is fixed by screws.

However, the position of the fin at the rear of the surfboard surface is fixed and cannot be adjusted a part of the distance forwards or backwards in the surfboard direction, and the specific position of the fin at the rear of the surfboard surface of different types of surfboards is different, so that under different surfing conditions, a player may need to purchase different types of surfboards, and the cost of surfing is increased, and therefore, we propose a surfboard tail fin.

Disclosure of Invention

The present utility model is directed to a surfboard tail fin to solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a surfboard tail fin, includes fin seat and fin, T type groove has been seted up to fin seat upper end, fin lower extreme fixedly connected with T template, sliding fit between T template and the T type groove, and be equipped with the reinforcement between T template and the fin, a plurality of screw has been seted up to the inside bottom linear array of T type groove, the upper end both sides edge of T template all runs through and screws have the double-screw, two the double-screw respectively with two screw thread fit therein, and the top of two double-screw all is connected with the rotating member, a plurality of arcwall holes have all been seted up to the rear end face on T type inslot upper portion corresponding a plurality of screw departments, the rear end upper portion edge of T template passes through elastic mechanism slip cartridge has spacing post, the rear end of spacing post is hemisphere shape, and the rear end and one of them arcwall hole sliding fit.

Preferably, the reinforcement comprises two groups of reinforcing ribs, the two groups of reinforcing ribs are respectively and fixedly connected to the edges of the lower parts of the front end and the rear end of the fin plate, the lower ends of the two groups of reinforcing ribs are fixedly connected with the upper ends of the T-shaped plates, and the number of the reinforcing ribs in each group is at least two.

Preferably, the rotating member comprises a rotating block fixedly connected to the top end of the stud, and the outer wall of the rotating block is provided with a plurality of anti-skid grooves around the central annular array thereof.

Preferably, the elastic mechanism comprises a cylindrical groove, the cylindrical groove is formed in the edge of the upper portion of the rear end of the T-shaped plate, the cylindrical groove is in sliding fit with the limiting column, and a spring is fixedly connected between the inner circular surface of the cylindrical groove and the front end of the limiting column.

Preferably, the fin seat and the fin are both made of carbon fiber material.

Preferably, the lower extreme fixedly connected with rubber pad of T template, the lower extreme of rubber pad is laminated mutually with the inside bottom in T type groove, two the double-screw bolt all activity runs through in the rubber pad.

Compared with the prior art, the utility model has the beneficial effects that: through fin seat, fin, T type groove, T template, screw, double-screw bolt, rotating member, arced face hole, elastic mechanism and spacing post mutually support, the fin in this tail fin can be on this fin seat along the surfboard direction forward or adjust a part distance backward, and the adjustment is convenient, therefore, under different surfing conditions, the sportsman need not to purchase the surfboard of different styles, has reduced the cost of surfing.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a partial cross-sectional view of the present utility model;

FIG. 3 is a schematic view of the structure of FIG. 2 at A;

FIG. 4 is an illustration of a fin, T-plate, swivel block, stiffener, rubber pad and anti-skid groove of the present utility model;

fig. 5 is an illustration showing the spacing post and spring of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows: 1. a fin mount; 2. a fin; 3. t-shaped plates; 4. a rotating block; 5. reinforcing ribs; 6. a T-shaped groove; 7. a screw hole; 8. arc surface holes; 9. a stud; 10. a limit column; 11. a cylindrical groove; 12. a spring; 13. a rubber pad; 14. an anti-skid slot.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a surfboard tail fin in the illustration includes a fin seat 1 and a fin plate 2, a T-shaped groove 6 is provided at an upper end of the fin seat 1, a T-shaped plate 3 is fixedly connected at a lower end of the fin plate 2, the T-shaped plate 3 is slidably fitted with the T-shaped groove 6, a reinforcement is provided between the T-shaped plate 3 and the fin plate 2, a plurality of screw holes 7 are provided at inner bottom end linear arrays of the T-shaped groove 6, studs 9 are screwed through edges of two sides of an upper end of the T-shaped plate 3, two studs 9 are respectively screwed with two of the two studs 7, top ends of the two studs 9 are connected with a rotating member, a plurality of arc holes 8,T are provided at edges of a rear end upper portion of the T-shaped plate 3 corresponding to the plurality of screw holes 7, a limit post 10 is slidably inserted through an elastic mechanism, a rear end of the limit post 10 is hemispherical, and a rear end of the limit post 10 is slidably fitted with one of the arc holes 8.

Referring to fig. 1, 2 and 4, the fastener in the drawings includes two groups of reinforcing ribs 5, the two groups of reinforcing ribs 5 are respectively and fixedly connected to the lower edges of the front and rear ends of the fin plate 2, the lower ends of the two groups of reinforcing ribs 5 are fixedly connected to the upper end of the T-shaped plate 3, and the number of the reinforcing ribs 5 in each group is at least two; by providing two sets of ribs 5, the fin 2 may be more stably secured to the upper end of the T-shaped plate 3.

Referring to fig. 1-4, the rotating member includes a rotating block 4, the rotating block 4 is fixedly connected to the top end of a stud 9, and a plurality of anti-slip grooves 14 are formed on the outer wall of the rotating block 4 around the central annular array thereof; by providing a plurality of anti-slip grooves 14, a certain anti-slip effect can be provided when the rotating block 4 is rotated.

Referring to fig. 3, the elastic mechanism in the illustration includes a cylindrical groove 11, the cylindrical groove 11 is formed at the upper edge of the rear end of the T-shaped board 3, the cylindrical groove 11 is slidably matched with the limiting post 10, and a spring 12 is fixedly connected between the inner circular surface of the cylindrical groove 11 and the front end of the limiting post 10.

Referring to fig. 1-2, fin seat 1 and fin 2 are both made of carbon fiber material; the fin seat 1 and the fin plate 2 made of carbon fiber materials have the characteristics of light weight, high strength and corrosion resistance.

Referring to fig. 3-4, the lower end of the T-shaped plate 3 is fixedly connected with a rubber pad 13 in the illustration, the lower end of the rubber pad 13 is attached to the inner bottom end of the T-shaped groove 6, and two studs 9 are movably penetrated through the rubber pad 13; through setting up rubber pad 13, can increase the frictional force between T template 3 and the fin seat 1, when screwing two double-screw bolts 9, be connected inseparabler between T template 3 and the fin seat 1.

Working principle: first, the length of the fin seat 1 is greater than that of the existing fin seat 1, and the fin seat 1 can be fixedly installed at the bottom end rear part of the surfboard. When the position of the fin 2 on the fin seat 1 needs to be adjusted, firstly, the two rotating blocks 4 are respectively rotated upwards, so that the studs 9 under the two rotating blocks 4 are respectively rotated away from the corresponding screw holes 7 at the bottom end inside the fin seat 1 and are screwed out of the inner wall of the T-shaped plate 3, then the fin 2 can be pushed, the T-shaped plate 3 under the fin 2 can slide in the T-shaped groove 6 on the fin seat 1, the hemispherical part of the limit post 10 which is slidably inserted at the edge of the upper part of the rear end of the T-shaped plate 3 can slide away from the corresponding cambered surface hole 8 and can slide forwards in the cylindrical groove 11 on the T-shaped plate 3, the spring 12 connected between the limit post 10 and the cylindrical groove 11 can be extruded, when the hemispherical part of the limit post 10 can slide away from the corresponding cambered surface hole 8, the hemispherical part of the limit post 10 can be attached to the rear end surface of the upper part inside of the T-shaped groove 6, when the hemispherical part of the limit post 10 slides to the other cambered surface hole 8 on the T-shaped groove 6, under the action of the spring 12, the spacing post 10 slides backwards in the T-shaped groove 6, the hemispherical part of the spacing post 10 slides into the other cambered surface hole 8, and the same is achieved, along with the continuous pushing of the fin plate 2, the hemispherical part of the spacing post 10 continuously slides out of the cambered surface holes 8 distributed in a linear array on the T-shaped groove 6, and the fin plate 2 is provided with a pause feeling in the pushing process until the fin plate 2 slides to a required position and the hemispherical part of the spacing post 10 slides into one of the cambered surface holes 8, and under the action of the spring 12, the fin plate 2 and the T-shaped plate 3 can keep a certain fixed state, as the plurality of cambered surface holes 8 correspond to the positions of the screw holes 7 respectively, the two rotating blocks 4 are sequentially held and the studs 9 under the two rotating blocks 4 are screwed into the two threaded holes corresponding to the upper ends of the T-shaped plate 3 respectively, at the moment, the two rotating blocks 4 are sequentially rotated downwards, both studs 9 can then be screwed into the corresponding screw holes 7, and the T-shaped plate 3 and the fin seat 1 can be re-fixed.

After each sliding adjustment of the fin 2, the screw bolt 9 and the screw hole 7 can be assisted by the feel of a bump in the process of pushing the fin 2, so that the T-shaped plate 3 and the fin 2 can be conveniently fixed; the position of the fin 2 can be adjusted a part of the distance forwards or backwards in the direction of the surfboard, so that the athlete does not need to buy different types of surfboards under different surfing conditions, and the cost of surfing is reduced.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Surfboard tail fin, including fin seat (1) and fin (2), its characterized in that: t type groove (6) have been seted up to fin seat (1) upper end, T type board (3) of fin (2) lower extreme fixedly connected with, sliding fit between T type board (3) and the T type groove (6), and be equipped with the reinforcement between T type board (3) and the fin (2), a plurality of screw (7) have been seted up to the inside bottom linear array of T type groove (6), screw stud (9) have all been run through to upper end both sides edge of T type board (3), two stud (9) respectively with two screw (7) screw-thread fit therein, and the top of two studs (9) all is connected with rotating member, a plurality of arc face holes (8) have all been seted up to the rear end face on T type groove (6) inboard upper portion department corresponding a plurality of screw (7), the rear end upper portion edge of T type board (3) is through elastic mechanism slip cartridge spacing post (10), the rear end of spacing post (10) is hemisphere shape, and one of them arc face hole (8) sliding fit.

2. A surfboard tail fin according to claim 1, wherein: the reinforcement comprises two groups of reinforcing ribs (5), the two groups of reinforcing ribs (5) are respectively and fixedly connected to the edges of the lower parts of the front end and the rear end of the fin plate (2), the lower ends of the two groups of reinforcing ribs (5) are fixedly connected with the upper ends of the T-shaped plates (3), and the number of the reinforcing ribs (5) in each group is at least two.

3. A surfboard tail fin according to claim 1, wherein: the rotating piece comprises a rotating block (4), the rotating block (4) is fixedly connected to the top end of the stud (9), and a plurality of anti-slip grooves (14) are formed in the outer wall of the rotating block (4) around the central annular array of the rotating block.

4. A surfboard tail fin according to claim 1, wherein: the elastic mechanism comprises a cylindrical groove (11), the cylindrical groove (11) is formed in the edge of the upper portion of the rear end of the T-shaped plate (3), the cylindrical groove (11) is in sliding fit with the limiting column (10), and a spring (12) is fixedly connected between the inner circular surface of the cylindrical groove (11) and the front end of the limiting column (10).

5. A surfboard tail fin according to claim 1, wherein: the fin seat (1) and the fin plate (2) are made of carbon fiber materials.

6. A surfboard tail fin according to claim 1, wherein: the lower extreme fixedly connected with rubber pad (13) of T template (3), the lower extreme of rubber pad (13) is laminated mutually with the inside bottom of T type groove (6), two double-screw bolts (9) all run through in rubber pad (13) actively.