Double-layer surfboard

The design of the tail fin assembly solves the problem that existing surfboard tail fins cannot be adjusted in angle, achieving flexible adaptability and safety under different conditions, and improving the performance of the surfboard.

CN223521015UActive Publication Date: 2025-11-07RONGCHENG PENGYUXIANGPITING MFG CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202423271341.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-11-07
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

The tail fins of existing surfboards cannot be adjusted in different water currents or surfing conditions, which affects surfing performance and poses safety hazards.

Method used

A tail fin assembly is designed, including a fixing block, an adjusting block, a pin, a tension spring, and a pull block. The engagement of the pin and the socket allows for flexible adjustment of the tail fin body angle. The assembly is combined with a bumper pad and a pointer to ensure safety and precise adjustment.

Benefits of technology

It achieves flexible adaptability to different water flow or surfing conditions, improves the safety and ease of use of surfboards, and avoids dangers caused by unsuitable angles.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223521015U_ABST
    Figure CN223521015U_ABST
Patent Text Reader

Abstract

The utility model provides a double-layer surfboard, which relates to the technical field of surfboards and comprises a front board and a rear board, the rear board is in sliding connection with the front board, springs are fixedly mounted in two sides of the front board, a limit block is fixedly mounted at one end of each spring, a protective board is fixedly mounted at the front end of the front board, and the protective board is fixedly connected with the rear board. A folding plate is hinged to the tail end of the front plate, limiting grooves are formed in the two sides of the rear plate, a tail fin assembly is arranged at the bottom of the rear plate, the tail fin assembly is arranged, and the angle of a tail fin body can be adjusted by adjusting the position between an insertion hole and a plug pin, so that a user can use the tail fin under different water flow or surfing conditions; the flexibility of the surfboard is improved, meanwhile, the adjusting mode is simple and fast, the angle of the tail fin body can be rotated without the help of additional tools, and practicability is achieved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a surfboard technical field especially a double -deck surfboard. BACKGROUND

[0002] Surfboard is used for surfing by people. Surfing is a water sport that athletes stand on a surfboard, or use a belly board, a kneeling board, an inflatable rubber pad, a canoe, etc. to control the sea waves. No matter which equipment is used, athletes must have high skills and balance ability, and be good at swimming in the wind and waves for a long distance;

[0003] Chinese patent publication No. CN220164131U discloses a double -deck surfboard, including front plate and rear plate, the top of rear plate is provided with installation groove body, two groups of reinforcing bars are fixedly installed at the bottom of installation groove body, two groups of reinforcing bars are provided with folding plate at the top, the height of folding plate is consistent with front plate and the top is provided with anti -skid pad, the bottom of rear plate is provided with first recess body near rear plate left side, tail fin part is arranged in first recess body, the connecting place of tail fin part and first recess body is provided with clamping rod for limiting the length of tail fin part, the connecting place of rear plate and front plate two sides is provided with adjusting assembly for telescopic front plate;

[0004] In this existing design, although the mutual cooperation of the reinforcing bars, the first recess body, the clamping rod and the adjusting assembly can be used to extend and retract the surfboard for the convenience of the user, since the tail fin part protrudes from the rear side of the rear plate, it can be retracted in the first recess body inside the rear plate when not in use, improving safety and practicality. However, the tail fin part of the common surfboard is mostly fixed, which may affect the surfing effect or cause dangerous accidents when used in different water flow or surfing conditions due to the inconvenience of adjusting the angle of the tail fin part;

[0005] Therefore, a double -deck surfboard is designed to solve the above -mentioned problems. UTILITY MODEL CONTENTS

[0006] The utility model discloses a purpose to solve the technical problem in the background art.

[0007] The utility model discloses the following technical scheme is adopted: a double -deck surfboard, including front plate and rear plate, the rear plate and front plate between sliding connection, the inside fixed mounting of front plate two sides is provided with spring, and one end of spring is fixedly installed with limit stop, and the front end fixed mounting of front plate has the protective plate, and the tail end of front plate is hinged with folding plate, and the both sides of rear plate are provided with limit slot, and the bottom of rear plate is provided with tail fin assembly.

[0008] The tail fin assembly comprises a fixing block fixed on the top surface of the rear plate, an adjusting block penetrating the rear plate, and a tail fin body provided at the bottom end of the adjusting block, the surface of the fixing block is penetrated by a plug pin, the surface of the plug pin is sleeved with a tension spring, the top end of the plug pin is fixedly installed with a pulling block, the top surface of the adjusting block is provided with a plug hole, and the bottom end of the adjusting block is fixedly installed with a connecting block.

[0009] As the utility model discloses a double -deck surfboard preferably, the shape size of the limiting block and the limiting groove are matched, and the rear plate is fixed through the limiting block and the limiting groove between the front plate.

[0010] As the utility model discloses a double -deck surfboard preferably, one end of the tension spring is fixedly connected with the top surface of the fixing block, and the other end of the tension spring is fixedly connected with the bottom surface of the pulling block.

[0011] As the utility model discloses a double -deck surfboard preferably, the top surface of the adjusting block is fixedly installed with a crash pad at the corner, and the top surface of the pulling block is fixedly installed with a silica gel sheet.

[0012] As the utility model discloses a double -deck surfboard preferably, the top surface of the adjusting block is provided with an angle groove, the side surface of the fixing block is fixedly installed with a pointer, and the pointer is above the angle groove.

[0013] As the utility model discloses a double -deck surfboard preferably, the plug holes are distributed at equal intervals on the top surface of the adjusting block.

[0014] As the utility model discloses a double -deck surfboard preferably, the adjusting block is rotatably connected between the rear plate, the top end of the adjusting block is in the shape of a sector, and the tail fin body is connected with the adjusting block through the connecting block.

[0015] Compared with the prior art, the utility model has the advantages and positive effects that,

[0016] 1、the utility model discloses a tail fin assembly, by adjusting the position between the plug hole and the plug pin, the angle of the tail fin body can be adjusted, so that the user uses under different water flow or surfing conditions, improves the flexibility of the surfboard, and the adjusting mode is simple and fast, without the help of additional tools, the angle of the tail fin body can be rotated, and the utility model has practicality.

[0017] 2、the utility model discloses a crash pad, a silica gel sheet, an angle groove and a pointer, the crash pad and the silica gel sheet can provide a protection effect, avoid the corner of the adjusting block and the pulling block from causing harm to the user, the angle groove and the pointer can more accurately adjust the rotation angle of the tail fin, so that different use environments are more convenient to adapt to, and the utility model has practicality. DRAWINGS

[0018] Figure 1The utility model provides an unfolding schematic view of double layer surfboard

[0019] Figure 2 The utility model provides a partial explosion drawing of double layer surfboard

[0020] Figure 3 The utility model provides double layer surfboard Figure 2 The enlarged view of A in the middle

[0021] Figure 4 The utility model provides a telescopic schematic view of double layer surfboard

[0022] Figure 5 The utility model provides a side view of double layer surfboard.

[0023] Legend:

[0024] 1, front plate;101, spring;102, limit block;103, guard plate;104, folding plate;

[0025] 2, rear plate;201, limit slot;

[0026] 3, tail fin assembly;301, fixed block;302, adjusting block;303, tail fin body;304, bolt;305, tension spring;306, pull block;307, insertion hole;308, connecting block;309, anti-collision pad;310, silica gel piece;311, angle slot;312, pointer. Specific embodiments

[0027] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further explained below with the help of drawings and examples. It should be explained that the embodiment of the application and the features in the embodiment can be combined with each other without conflict.

[0028] In the following description, a lot of specific details are set forth in order to facilitate a full understanding of the utility model, but the utility model can also be implemented in other ways different from the description, therefore, the utility model is not limited to the specific embodiment disclosed in the following disclosure.

[0029] Embodiment

[0030] Please refer to Figures 1-5The utility model provides a technical scheme: a double -deck surfboard, including front board 1 and rear board 2, and the rear board 2 and front board 1 are sliding connection, and the rear board 2 and front board 1 are fixed through the sliding between front board 1 and rear board 2, and the extension telescoping of front board 1 is realized, and the shape size of limiting block 102 and limiting groove 201 are all matched, and the rear board 2 and front board 1 are fixed through limiting block 102 and limiting groove 201, limiting block 102 and limiting groove 201 can limit front board 1, avoid the sliding of front board 1 in the rear board 2 and influence the normal use of surfboard, and the inside fixed mounting of spring 101 is arranged in the both sides of front board 1, one end fixed mounting of spring 101 is limiting block 102, and the front end fixed mounting of front board 1 is guard plate 103, and the tail end hinged of front board 1 has folding board 104, and folding board 104 is folded and is stored in the top surface of front board 1 when idling, when folding board 104 is used, can rotate and come out from the surface of front board 1, realize the extension of front board 1, and the limiting groove 201 is seted up in the both sides of rear board 2, and the bottom of rear board 2 is provided with tail fin assembly 3;

[0031] Tail fin assembly 3 includes fixed block 301 fixed on the top surface of rear board 2, adjusting block 302 penetrating through rear board 2 and tail fin body 303 arranged at the bottom end of adjusting block 302, adjusting block 302 is rotatably connected with rear board 2, which facilitates the rotation of adjusting block 302 in the interior of rear board 2, thereby facilitating the rotation of tail fin body 303, the top end of adjusting block 302 is in the shape of a sector, which facilitates the fixation of adjusting block 302, tail fin body 303 is connected with adjusting block 302 through connecting block 308, the top surface of adjusting block 302 is provided with angle groove 311, pointer 312 is fixedly installed on the side surface of fixed block 301, pointer 312 is located above angle groove 311, pointer 312 can feed back the rotation angle of tail fin body 303 through angle groove 311, thereby facilitating the user to accurately adjust the angle of tail fin body 303 in order to adapt to different water flow or surfing conditions, anti-collision pad 309 is fixedly installed at the corner of the top surface of adjusting block 302, anti-collision pad 309 can avoid the user from being injured by the surface of adjusting block 302 during the use of the surfboard, bolt 304 penetrates through the surface of fixed block 301, spring 305 is sleeved on the surface of bolt 304, one end of spring 305 is fixedly connected with the top surface of fixed block 301, the other end of spring 305 is fixedly connected with the bottom surface of pull block 306, pull block 306 is fixedly installed on the top end of bolt 304, silica gel sheet 310 is fixedly installed on the top surface of pull block 306, silica gel sheet 310 can increase the friction between the hand and pull block 306, thereby facilitating the pulling of pull block 306, bolt hole 307 is arranged on the top surface of adjusting block 302, bolt holes 307 are distributed at equal intervals on the top surface of adjusting block 302, connecting block 308 is fixedly installed on the bottom end of adjusting block 302, bolt 304 can fix adjusting block 302 through bolt hole 307.

[0032] Working principle: in use, the user needs to first stretch the front plate 1 from the rear plate 2, at this time the front plate 1 slides outwards inside the rear plate 2, while the front plate 1 drives the limiting block 102 to extrude the spring 101, at this time the limiting block 102 is separated from the limiting groove 201, and slides with the front plate 1, until the limiting block 102 reaches the limiting groove 201 on the other side of the rear plate 2, at this time the front plate 1 can be fixed at this position, rotate the folding plate 104 again, and place the folding plate 104 inside the rear plate 2, at this time the length of the front plate 1 can be extended, then fix the folding plate 104 inside the rear plate 2, then pull the pull block 306 upwards, the pull block 306 drives the bolt 304 to move, while the pull block 306 pulls the tension spring 305 upwards, until the bolt 304 is separated from the insertion hole 307, at this time the adjusting block 302 is released from the limiting, rotate the adjusting block 302, the adjusting block 302 drives the tail fin body 303 at the bottom end to rotate, through the position of the pointer 312 and the angle slot 311, the rotation angle of the tail fin body 303 is accurately adjusted, after adjustment, make the bolt 304 relative to the insertion hole 307, and release the hand pulling the pull block 306, under the driving of the tension spring 305 itself, the tension spring 305 drives the pull block 306 to move downwards, the pull block 306 drives the bolt 304 to move into the insertion hole 307 immediately, until the bolt 304 is inserted into the insertion hole 307, at this time the adjusting block 302 can be fixed at this position, then the user can use the surfboard.

[0033] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments without departing from the technical content of the present application, according to the technical essence of the present application, still belong to the protection scope of the present application.

Claims

1. A twin-surfboard comprising a front board (1) and a rear board (2), characterized in that: The rear plate (2) is in sliding connection with the front plate (1), spring (101) is fixedly installed on both sides of the front plate (1), one end of the spring (101) is fixedly installed with a limiting block (102), the front end of the front plate (1) is fixedly installed with a protective plate (103), the tail end of the front plate (1) is hinged with a folding plate (104), the both sides of the rear plate (2) are provided with limiting grooves (201), and the bottom of the rear plate (2) is provided with a tail fin assembly (3). The tail fin assembly (3) comprises a fixing block (301) fixed on the top surface of the rear plate (2), an adjusting block (302) penetrating through the rear plate (2), and a tail fin body (303) arranged at the bottom end of the adjusting block (302), the surface of the fixing block (301) is penetrated by a latch (304), the surface of the latch (304) is sleeved with a tension spring (305), the top end of the latch (304) is fixedly installed with a pulling block (306), the top surface of the adjusting block (302) is provided with a insertion hole (307), and the bottom end of the adjusting block (302) is fixedly installed with a connecting block (308).

2. The twin-surfboard of claim 1, wherein: The limiting block (102) and the limiting groove (201) are matched in shape and size, and the rear plate (2) and the front plate (1) are fixed through the limiting block (102) and the limiting groove (201).

3. The twin-surfboard of claim 2, wherein: One end of the tension spring (305) is fixedly connected with the top surface of the fixing block (301), and the other end of the tension spring (305) is fixedly connected with the bottom surface of the pulling block (306).

4. The twin-surfboard of claim 3, wherein: The top surface corner of the adjusting block (302) is fixedly installed with an anti-collision pad (309), and the top surface of the pulling block (306) is fixedly installed with a silica gel sheet (310).

5. The twin-surfboard of claim 4, wherein: The top surface of the adjusting block (302) is provided with an angle groove (311), and the side surface of the fixing block (301) is fixedly installed with a pointer (312), and the pointer (312) is located above the angle groove (311).

6. The twin-surfboard of claim 5, wherein: The insertion holes (307) are distributed at equal intervals on the top surface of the adjusting block (302).

7. The twin-surfboard of claim 6, wherein: The adjusting block (302) is in rotating connection with the rear plate (2), the top end of the adjusting block (302) is in the shape of a sector, and the tail fin body (303) is connected with the adjusting block (302) through the connecting block (308).

Citation Information

Patent Citations

  • Double-layer surfboard

    CN220164131U