Reinforced and stable surfboard tail fin

By designing a sliding and elastically connected structure on the tail fin of the surfboard, the problems of low strength and inconvenient disassembly and assembly are solved, rapid disassembly and replacement are achieved, and stability is improved.

CN222329963UActive Publication Date: 2025-01-10WEIHAI JINGJIN PLASTIC TECH CO LTD
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Patent Information

Application Number
CN202421860488.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-02
Publication Date
2025-01-10
Estimated Expiration
2034-08-02

AI Technical Summary

Technical Problem

The tail fins of existing surfboards are not strong enough to be damaged during surfing, and it is not convenient to quickly disassemble and replace after damage.

Method used

A structure including a substrate, T-shaped groove, caudal fin body, base, limiting member, buffer fin and reinforcement seat is designed. The fast fixing and disassembly of the caudal fin is achieved through sliding and elastic connection, and the limiting member and positioning bolts are used for stability. Fix and relieve impact force through buffer fins and reinforcement seat.

Benefits of technology

It realizes rapid disassembly and assembly and replacement of the tail fin, has a certain buffering and unloading effect, and improves stability during use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a reinforced and stable surfboard tail fin, and belongs to the technical field of surfboard tail fins. The tail fin comprises a base plate used for being fixed to a surfboard and a tail fin body arranged on the base plate, a T-shaped groove is formed in the middle of the base plate, a base is fixed to the bottom of the tail fin body, the tail fin body is embedded into the middle of the T-shaped groove in a sliding mode, and a limiting piece is horizontally inserted into the middle of the interior of the T-shaped groove in a penetrating mode. Two limiting battens are arranged on the limiting piece and located on the two sides of the base correspondingly to form limiting. A buffer fin is inserted in the middle of one side of the tail fin body, a spring is installed on the side, inserted into the tail fin body, of the buffer fin, and the spring is connected with the interior of the tail fin body. The utility model not only is convenient to disassemble, assemble and replace, but also has a certain buffering and unloading effect, can effectively improve the stability during use by being matched with the reinforcing seat, and has a good overall use effect.
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Description

Technical Field

[0001] The utility model relates to the technical field of surfboard tail fins, in particular to a surfboard tail fin with enhanced stability. Background Art

[0002] The tail fin is an important component of a surfboard. Similar to the tail fin of a fish, it can not only keep the body stable and control the direction of movement, but also generate forward propulsion together with the tail.

[0003] However, the tail fin of the existing surfboard is not strong enough, and the tail fin itself is often damaged due to the large resistance of the waves during surfing. It is also difficult to quickly disassemble and replace the damaged tail fin, and the overall use effect is relatively average.

[0004] Therefore, the present application provides a surfboard tail fin with enhanced stability to meet the needs. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a strengthened and stable surfboard tail fin to solve the problem that the tail fin of the existing surfboard is not strong enough, the tail fin itself is often damaged due to excessive resistance of waves during surfing, and it is not easy to quickly disassemble and replace it after it is damaged.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] A surfboard tail fin with enhanced stability comprises a base plate for fixing on a surfboard and a tail fin body arranged on the base plate, a T-shaped groove is provided in the middle of the base plate, a base is fixed at the bottom of the tail fin body, the tail fin body is slidably embedded in the middle of the T-shaped groove, and a limiting member is horizontally inserted in the middle of the T-shaped groove, two limiting strips are arranged on the limiting member, and are respectively located on both sides of the base to form a limit; a buffer fin is inserted in the middle of one side of the tail fin body, a spring is installed on the side of the buffer fin inserted into the tail fin body, and the spring is connected to the inside of the tail fin body.

[0008] Optionally, fixing ears are symmetrically fixed at both ends of the base plate, and a plurality of fixing holes are formed on the fixing ears.

[0009] Optionally, one end of the limiting member extends out of the upper end surface of the fixing ear and is matched with a positioning bolt, and the positioning bolt passes through the end of the limiting member and is plug-fitted with the upper end surface of the fixing ear.

[0010] Optionally, an accommodating groove is formed at one end of the limiting member extending to the upper end surface of the fixing ear, and a positioning hole for the locating bolt to thread through is formed at the bottom surface of the accommodating groove.

[0011] Optionally, the screw cap of the positioning bolt is placed in the receiving groove.

[0012] Optionally, a reinforcement seat is fixed to one end of the upper end surface of the base plate, and an abutment block is fixed to the top of the reinforcement seat by threaded insertion.

[0013] Optionally, the abutment block abuts against a side of the tail fin body away from the buffer fin.

[0014] Optionally, a buffer cavity for inserting the buffer fin is opened inside the tail fin body.

[0015] Optionally, a plurality of horizontal fixing columns are fixed to one side of the buffer fin inserted into the buffer cavity, and the spring sleeve is fixed on the fixing columns.

[0016] Optionally, one end of the spring away from the fixing column is fixed to the inner wall of the buffer cavity, and the spring elastically abuts the buffer fin in the direction of the tail fin body.

[0017] Compared with the prior art, the utility model has at least the following beneficial effects:

[0018] In the above scheme, thanks to the cooperation of the substrate, T-slot, tail fin body, base and limiting parts, the base at the bottom of the tail fin body can be easily embedded in the middle of the T-slot by sliding, and the limiting parts can be used to limit the two sides of the base, so as to quickly fix the tail fin body to the middle of the upper end surface of the substrate, which is not only convenient for installation, but also convenient for subsequent disassembly and replacement.

[0019] In the above scheme, thanks to the cooperation between the tail fin body and the buffer fin, by elastically plugging the buffer fin on one side of the tail fin body, the buffer fin can be used to alleviate the impact force on the tail fin body during surfing to a certain extent. In addition, with the setting of the reinforcement seat and the abutment block on the base plate, the tail fin body can be further strengthened and supported by the reinforcement seat and the abutment block.

[0020] In summary, the device is not only convenient for disassembly, assembly and replacement, but also has a certain buffering and unloading effect, and can effectively improve the stability during use when combined with the reinforcement seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the present invention and, together with the description, further serve to explain the principles of the present invention and enable those skilled in the relevant art to make and use the present invention.

[0022] Figure 1 Schematic diagram of the three-dimensional structure of the tail fin of a surfboard to enhance stability;

[0023] Figure 2is a schematic diagram of the structure of the substrate;

[0024] Figure 3 It is a structural schematic diagram of a limiting member;

[0025] Figure 4 is a schematic diagram of the structure of the main body of the tail fin;

[0026] Figure 5 This is an enlarged schematic diagram of the internal structure of the tail fin body.

[0027] [Reference Signs]

[0028] 1. Base plate; 101. Fixing ear; 102. Fixing hole; 2. T-shaped slot; 3. Tail fin body; 301. Base; 302. Buffer cavity; 4. Buffer fin; 401. Fixing column; 402. Spring; 5. Reinforcement seat; 501. Abutment block; 6. Limiting member; 601. Limiting strip; 602. Accommodating groove; 603. Positioning hole; 604. Positioning bolt.

[0029] As shown in the figure, in order to clearly implement the structure of the embodiment of the utility model, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the utility model to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments. DETAILED DESCRIPTION

[0030] The following is a detailed description of a strengthened and stable surfboard tail fin provided by the utility model in combination with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternatives to implement some known technologies; and the accompanying drawings are only for more specific description of the embodiments, and are not intended to specifically limit the utility model.

[0031] It should be noted that the references to "one embodiment", "embodiment", "exemplary embodiments", "some embodiments" and the like in the specification indicate that the embodiments described may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in conjunction with an embodiment, it should be within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments (whether or not explicitly described).

[0032] In general, a term can be understood, at least in part, from its use in context. For example, depending, at least in part, on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending, at least in part, on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0033] It is to be understood that the meanings of “on,” “over,” and “above” in the present invention should be interpreted in the broadest manner, so that “on” not only means “directly on” something, but also includes the meaning of being “on” something with intervening features or layers, and “on” or “above” not only means “on” or “above” something, but also includes the meaning of being “on” or “above” something with no intervening features or layers.

[0034] Additionally, spatially relative terms such as "under," "beneath," "lower," "above," "upper," and the like may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as shown in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein may be similarly interpreted accordingly.

[0035] like Figure 1 and Figure 2 As shown, an embodiment of the utility model provides a reinforced and stable surfboard tail fin, including a base plate 1, and a tail fin body 3 arranged on the base plate 1, wherein fixing ears 101 are symmetrically fixed at both ends of the base plate 1, and a plurality of fixing holes 102 are opened on the fixing ears 101, so that the fixing ears 101 can cooperate with bolts through the fixing holes 102 to firmly fix the base plate 1 to a suitable position on the surfboard.

[0036] In addition, a T-shaped slot 2 is provided in the middle of the base plate 1, a base 301 is fixed to the bottom of the tail fin body 3, the tail fin body 3 is slidably embedded in the middle of the T-shaped slot 2, and a limiter 6 is horizontally inserted in the middle of the T-shaped slot 2. Figure 3 As shown, two limiting strips 601 are provided on the limiting member 6, and are respectively located on both sides of the base 301 to form a limit, and one end of the limiting member 6 extends out of the upper end surface of the fixing ear 101, and is matched with a positioning bolt 604, which passes through the end of the limiting member 6 and is plugged into the upper end surface of the fixing ear 101.

[0037] In specific implementation, the end of the limiting member 6 extending to the upper end surface of the fixing ear 101 is provided with a receiving groove 602, and the bottom surface of the receiving groove 602 is provided with a positioning hole 603 for the positioning bolt 604 to pass through with a thread, so that when the positioning bolt 604 passes through the positioning hole 603 to be plugged and positioned with the fixing ear 101, its screw cap can be placed in the receiving groove 602.

[0038] like Figure 4 and Figure 5 As shown, a buffer fin 4 is inserted into the middle of one side of the tail fin body 3, and a plurality of fixing columns 401 are fixed to one side of the buffer fin 4 inserted into the tail fin body 3. A spring 402 is fixed on the fixing column 401, and the spring 402 is connected to the inner wall of the tail fin body 3. Specifically, a buffer cavity 302 for inserting the buffer fin 4 is opened in the tail fin body 3, and one end of the spring 402 away from the fixing column 401 is connected to the inner wall of the buffer cavity 302, and the spring 402 elastically abuts the buffer fin 4 in the direction of the tail fin body 3.

[0039] In addition, in this embodiment, a reinforcement seat 5 is fixed to one end of the upper end surface of the substrate 1, and a contact block 501 is fixed to the top of the reinforcement seat 5 by threaded insertion. The contact block 501 abuts against the side of the tail fin body 3 away from the buffer fin 4, and the tail fin body 3 can be abutted and reinforced.

[0040] According to the working principle of the utility model, when in use, the reinforced and stable surfboard tail fin can be used to slide the base 301 at the bottom of the tail fin body 3 into the middle of the T-shaped groove 2, and then use the limiting strip 601 on the limiting member 6 to limit the two sides of the base 301, and fix the position of the limiting member 6 by the positioning bolt 604, so that the tail fin body 3 can be quickly fixed to the middle of the upper end surface of the base plate 1, which is not only convenient for installation, but also convenient for subsequent disassembly and replacement.

[0041] At the same time, due to the buffer fin 4 elastically installed on one side of the tail fin body 3, in actual use, the buffer fin 4 can be used to alleviate the impact force on the tail fin body 3 during surfing to a certain extent. In addition, in conjunction with the setting of the reinforcement seat 5 and the abutment block 501 on the base plate 1, the tail fin body 3 can be further strengthened and supported by the reinforcement seat 5 and the abutment block 501.

[0042] In summary, the device is not only convenient for disassembly, assembly and replacement, but also has a certain buffering and unloading effect, and can effectively improve the stability during use in conjunction with the reinforcement seat 5.

[0043] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the following preferred embodiments of the present invention, and those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0044] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A strengthened and stable surfboard tail fin, comprising a base plate for fixing on a surfboard, and a tail fin body arranged on the base plate, characterized in that: A T-shaped groove is provided in the middle of the base plate, a base is fixed at the bottom of the tail fin body, the tail fin body is slidably embedded in the middle of the T-shaped groove, and a limiting member is horizontally inserted in the middle of the T-shaped groove, and two limiting strips are provided on the limiting member, and are respectively located on both sides of the base to form a limit; A buffer fin is inserted in the middle of one side of the tail fin body, and a spring is installed on the side of the buffer fin inserted into the tail fin body, and the spring is connected to the inside of the tail fin body.

2. The reinforced and stable surfboard tail fin according to claim 1, characterized in that: The two ends of the base plate are symmetrically fixed with fixing ears, and the fixing ears are provided with a plurality of fixing holes.

3. The reinforced and stable surfboard tail fin according to claim 2, characterized in that: One end of the limiting member extends out of the upper end surface of the fixing ear and is matched with a positioning bolt. The positioning bolt passes through the end of the limiting member and is plugged and matched with the upper end surface of the fixing ear.

4. The reinforced and stable surfboard tail fin according to claim 3, characterized in that: An end of the limiting member extending to the upper end surface of the fixing ear is provided with a receiving groove, and a positioning hole for the positioning bolt to pass through with a thread is provided on the bottom surface of the receiving groove.

5. The reinforced and stable surfboard tail fin according to claim 4, characterized in that: The screw cap of the positioning bolt is placed in the accommodating groove.

6. The reinforced and stable surfboard tail fin according to claim 1, characterized in that: A reinforcing seat is fixed to one end of the upper end surface of the base plate, and an abutment block is fixed to the top of the reinforcing seat through threaded insertion.

7. The reinforced and stable surfboard tail fin according to claim 6, characterized in that: The abutment block abuts against a side of the tail fin body away from the buffer fin.

8. The reinforced and stable surfboard tail fin according to claim 1, characterized in that: A buffer cavity for inserting the buffer fin is provided inside the tail fin body.

9. The reinforced and stable surfboard tail fin according to claim 8, characterized in that: A plurality of horizontal fixing columns are fixed on one side of the buffer fin inserted into the buffer cavity, and the spring sleeve is fixed on the fixing columns.

10. The reinforced and stable surfboard tail fin according to claim 9, characterized in that: One end of the spring away from the fixing column is fixed to the inner wall of the buffer cavity, and the spring elastically abuts the buffer fin in the direction of the tail fin body.