Tail fin on water ski

Abstract

A tail fin on a water ski comprises a tail fin body, a connecting part capable of being connected to a plate body of the water ski is arranged at the end of the tail fin body, a tail fin through hole is formed in the tail fin body, and an impeller capable of moving along with the plate body and rotating relative to the tail fin body is arranged in the tail fin through hole. An inserting block is arranged on the plate body, inserting holes are formed in the inserting block, and the connecting parts are inserted into the corresponding inserting holes. Compared with the prior art, the tail fin has the advantages that the impeller is arranged on the tail fin body and can automatically rotate under the action of water flow when the water ski moves, so that the tail fin has a very strong entertainment effect, is suitable for swimming and playing among children, and has a good use effect; the impeller is mounted on the tail fin body and is very convenient to mount and dismount; the tail fin body is connected to the inserting block, the connecting strength of the tail fin body and the plate body is improved, and connection is firmer.

Description

Technical Field

[0001] The utility model relates to the technical field of water ski board manufacturing, and particularly to a fin on a water ski board. Background Art

[0002] There is a Chinese invention patent application with the application number CN202110995469.3 and the name "A New Type of Water Ski Board" that discloses a new type of water ski board, including a rear race board. The shape of the rear race board is an arc shape that is narrow at the front and wide at the rear. A base and a holder are installed on the top wall of the rear race board. The base is located at the rear end of the rear race board, and the holder is located in the middle position of the rear race board. A wave breaker is installed at the front end of the rear race board, and the direction of the wave breaker is set perpendicular to the direction of the rear race board. A limiting mechanism that mutually restricts the wave breaker is provided on the top wall of the rear race board. A storage groove is provided on the bottom wall of the rear race board, and the storage groove is located in the rear half of the bottom wall of the rear race board. A tail wing is installed in the storage groove, and a movable mechanism is installed in the tail wing. A storage mechanism is provided in the rear race board, and the storage mechanism and the storage groove are on the same axis. The storage mechanism is used to store the tail wing. The water ski board in this invention not only maintains the strength of the rear race board on the premise of being relatively light in weight, but also the tail wing can retract into the storage groove when hitting a rock, protecting the safety of the tail wing. However, the tail wing structure of this water ski board is still relatively simple, unable to attract children, and the entertainment effect is relatively average. Therefore, the structure of this water ski board still needs to be further improved. Summary of the Invention

[0003] The technical problem to be solved by the utility model is to provide a fin on a water ski board with a simple structure and strong entertainment effect in view of the above-mentioned prior art status.

[0004] The technical solution adopted by the utility model to solve the above technical problem is as follows: The fin on this water ski board includes a fin body, and a connecting portion capable of being connected to the board body of the water ski board is provided at the end of the fin body. It is characterized in that: a fin through hole is provided on the fin body, and an impeller capable of rotating relative to the fin body as the board body moves is provided in the fin through hole.

[0005] As an improvement, a plug-in block can preferably be provided on the board body, and a plug-in hole is provided on the plug-in block. The connecting portion is plugged into the corresponding plug-in hole.

[0006] Further improvement, the board body can preferably include an inner layer and a surface layer. The plug-in block is embedded on the surface of the inner layer, the surface layer covers the plug-in block, and a surface layer through hole capable of passing through the connecting portion is provided on the surface layer at the corresponding position of the plug-in hole.

[0007] Further improvement, the connecting portion can preferably be connecting protrusions spacedly provided at the end of the fin body.

[0008] For further improvement, a limiting recess may preferably be provided on the side wall of the connecting protrusion, a threaded hole for screwing a limiting bolt is provided at the corresponding position of the insertion block, a surface opening communicating with the corresponding threaded hole is provided on the surface layer, and the limiting bolt is obliquely inserted into the insertion block and abuts against the corresponding limiting recess.

[0009] As an improvement, a fixing groove may preferably be provided on the side wall of the fin body corresponding to the fin through hole, a connecting cover is provided in the fixing groove, a connecting rod is clamped between the fixing groove and the connecting cover, and the impeller is sleeved on the connecting rod.

[0010] For further improvement, a wear-resistant sleeve may preferably be sleeved on the connecting rod, and the impeller is sleeved on the wear-resistant sleeve.

[0011] For further improvement, a limiting sleeve may preferably be sleeved on the connecting rod, and the limiting sleeve abuts against the wear-resistant sleeve.

[0012] For further improvement, the limiting sleeve may preferably have the same diameter as the wear-resistant sleeve, and a fitting recess is provided on the fixing groove, and the limiting sleeve is clamped on the fitting recess.

[0013] As an improvement, a connecting recess may preferably be provided on the fixing groove, and a cover body protrusion is provided on the connecting cover, and the cover body protrusion is inserted into the corresponding connecting recess.

[0014] Compared with the prior art, the advantages of the present utility model are as follows: an impeller is provided on the fin body, and the impeller will rotate automatically under the action of water flow when the water ski board moves, which has a strong entertainment effect and is suitable for children to swim and play with each other, and the use effect is good; the impeller is installed on the fin body, and the installation and disassembly are very convenient; the fin body is connected to the insertion block, which increases the connection strength between the fin body and the board body and makes the connection more firm; the fin body and the insertion block are connected by insertion, which makes the installation more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a perspective view of the embodiment of the present utility model applied to a water ski board;

[0016] Figure 2 is Figure 1 a perspective view of another angle after removing the outer layer of the board body in

[0017] Figure 3 is Figure 2 the top view of

[0018] Figure 4 is Figure 3 the sectional view taken along line A-A in

[0019] Figure 5 is Figure 2 the structural decomposition diagram of

[0020] Figure 6 is Figure 5 a further structural decomposition diagram of;

[0021] Figure 7 is Figure 6 the structural decomposition diagram after removing the plate body and the plug-in block in;

[0022] Figure 8 is Figure 7 the structural decomposition diagram at another angle;

[0023] Figure 9 is Figure 7 a further structural decomposition diagram of;

[0024] Figure 10 is Figure 9 a further structural decomposition diagram of. Specific embodiments

[0025] The following further describes the present utility model in detail in conjunction with the accompanying drawings and embodiments.

[0026] As Figures 1 to 10 shown, the fin on the wakeboard of this embodiment includes a fin body 1. A connecting portion 11 capable of being connected to the board body 2 of the wakeboard is provided at the end of the fin body 1. A fin through hole 12 is provided on the fin body 1, and an impeller 3 that can rotate relative to the fin body 1 as the board body 2 moves is provided in the fin through hole 12.

[0027] A plug-in block 4 is provided on the board body 2, and a plug-in hole is provided on the plug-in block 4. The connecting portion 11 is inserted into the corresponding plug-in hole. The board body 2 includes an inner layer and a surface layer. The plug-in block 4 is embedded in the surface of the inner layer, and the surface layer covers the plug-in block 4. A surface layer through hole capable of passing through the connecting portion 11 is provided on the surface layer at the corresponding position of the plug-in hole.

[0028] The connecting portion 11 is a connecting protrusion provided at intervals at the end of the fin body. A limiting recess 111 is provided on the side wall of the connecting protrusion. A threaded hole 41 capable of screwing a limiting bolt is provided at the corresponding position of the plug-in block 4. A surface layer opening capable of communicating with the corresponding threaded hole 41 is provided on the surface layer. The limiting bolt is obliquely inserted into the plug-in block 4 and abuts against the corresponding limiting recess 111.

[0029] A fixing groove 13 is provided on the side wall of the caudal fin body 1 corresponding to the through hole 12 of the caudal fin. A connecting cover 14 is arranged in the fixing groove 13. A connecting rod 15 is clamped between the fixing groove 13 and the connecting cover 14. The impeller 3 is sleeved on the connecting rod 15. A wear-resistant sleeve 16 is sleeved on the connecting rod 15, and the impeller 3 is sleeved on the wear-resistant sleeve 16. A limiting sleeve 17 is sleeved on the connecting rod 15, and the limiting sleeve 17 abuts against the wear-resistant sleeve 16. The limiting sleeve 17 has the same diameter as the wear-resistant sleeve 16. A fitting recess 131 is provided on the fixing groove 13, and the limiting sleeve 17 is stuck on the fitting recess 131. A connecting recess 132 is provided on the fixing groove 13, and a cover body protrusion 141 is provided on the connecting cover 14. The cover body protrusion 141 is inserted into the corresponding connecting recess 132.

Claims

1. A fin for a wakeboard, comprising a fin body (1), and a connecting portion (11) capable of being connected to a board body (2) of the wakeboard is arranged at an end of the fin body (1), and is characterized in that: A fin through-hole (12) is provided on the fin body (1), and an impeller (3) that can rotate relative to the fin body (1) as the plate body (2) moves is provided in the fin through-hole (12).

2. The caudal fin according to claim 1, wherein: A plug-in block (4) is provided on the plate body (2), and a plug-in hole is provided on the plug-in block (4), and the connecting portion (11) is plugged into the corresponding plug-in hole.

3. The caudal fin according to claim 2, wherein: The plate body (2) includes an inner layer and a surface layer. The plug-in block (4) is embedded in the surface of the inner layer, and the surface layer covers the plug-in block (4). A surface through-hole that can pass through the connecting portion (11) is provided on the surface layer at a position corresponding to the plug-in hole.

4. The caudal fin according to claim 3, characterized in that: The connecting portion (11) is a connecting protrusion that is spacedly provided at the end of the fin body.

5. The caudal fin according to claim 4, characterized in that: A limiting recess (111) is provided on the side wall of the connecting protrusion. A threaded hole (41) for screwing a limiting bolt is provided at a corresponding position on the plug-in block (4). A surface opening that can communicate with the corresponding threaded hole (41) is provided on the surface layer. The limiting bolt is obliquely inserted into the plug-in block (4) and abuts against the corresponding limiting recess (111).

6. The caudal fin according to any one of claims 1 to 5, characterized in that: A fixing groove (13) is provided on the side wall of the fin body (1) corresponding to the fin through-hole (12). A connecting cover (14) is provided in the fixing groove (13). A connecting rod (15) is clamped between the fixing groove (13) and the connecting cover (14), and the impeller (3) is sleeved on the connecting rod (15).

7. The caudal fin according to claim 6, characterized in that: A wear-resistant sleeve (16) is sleeved on the connecting rod (15), and the impeller (3) is sleeved on the wear-resistant sleeve (16).

8. The caudal fin according to claim 7, characterized in that: A limiting sleeve (17) is sleeved on the connecting rod (15), and the limiting sleeve (17) abuts against the wear-resistant sleeve (16).

9. The caudal fin according to claim 8, characterized in that: The limiting sleeve (17) has the same diameter as the wear-resistant sleeve (16). A fitting recess (131) is provided on the fixing groove (13), and the limiting sleeve (17) is stuck on the fitting recess (131).

10. The caudal fin according to claim 6, characterized in that: A connecting recess (132) is provided on the fixing groove (13), and a cover body protrusion (141) is provided on the connecting cover (14). The cover body protrusion (141) is plugged into the corresponding connecting recess (132).

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