Fastening structure
The fastener structure addresses engaging strength and stability issues by employing a two-stage engagement mechanism with defined angles and reduced material usage, enhancing durability and assembly convenience in high-frequency applications.
Patent Information
- Application Number
- JP2025001761U
- Authority / Receiving Office
- JP · JP
- Patent Type
- Utility models
- Current Assignee / Owner
- Priority Date
- 2025-03-26
- Filing Date
- 2025-05-30
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2035-05-30
AI Technical Summary
Existing fasteners suffer from insufficient engaging strength, easy loosening due to vibrations or external forces, and complex structures that hinder cost-effective large-scale production and maintenance, particularly in high-frequency applications like battery packs.
A fastener structure with a two-stage engagement mechanism involving a first and second fastening component, featuring concave and convex engaging portions, and elastic segments with defined included angles, ensuring stable engagement and reduced material usage.
The fastener structure provides enhanced stability, durability, and ease of assembly/disassembly, preventing loosening under high loads and vibrations, suitable for frequent use scenarios while reducing costs and maintenance needs.
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Figure 0003252226000001_ABST
Abstract
Description
Technical Field
[0001] The present disclosure relates to a fastener structure.
[0002] Fasteners are usually composed of two parts used in combination with each other, and achieve the purpose of fixing by an engaging structure. However, in the prior art, fasteners generally have some defects, and these defects may affect their performance and reliability. For example, when the engaging strength is insufficient, the fastener may be damaged by high loads or repeated use, and the fixing function cannot be effectively maintained. Furthermore, the fastener may become loose easily due to vibration or external force, and cannot provide sufficient stability and safety in a harsh environment.
[0003] Furthermore, since the structure of existing fasteners is relatively complex, it is impossible to obtain cost advantages in large-scale production, which may make competition in the economic market difficult. For example, in high-frequency application fields such as battery packs, the stability and durability of fasteners are particularly important. However, existing fasteners cannot maintain a stable engaging effect under frequently used conditions, require frequent replacement and maintenance, and increase maintenance costs. Therefore, simplifying the structure and reducing costs while improving the engaging strength and durability have become difficult problems that the industry must urgently solve.
Summary of the Invention
Problems to be Solved by the Invention
[0004] An object of the present disclosure is to provide a fastener structure that can achieve a stable engaging effect and improve the stability and reliability in use of the fastener when the second fastener component body is inserted into the insertion hole of the first fastener component body, and the first engaging portion and the first engaging part engage with each other, and the second engaging portion and the second engaging part engage with each other.
[0005] Embodiments according to the structural aspects of the present disclosure provide a fastening structure including a first fastening component and a second fastening component. The first fastening component includes a first fastening component body, at least one first engaging portion, and at least one second engaging portion. The first fastening component body has an insertion hole. The first engaging portion is installed on the inner wall surface of the first fastening component body. The second engaging portion is installed on the inner wall surface of the first fastening component body and is connected to the first engaging portion. The second fastening component is removably assembled to the first fastening component and includes a second fastening component body, at least one first engaging portion, and at least one second engaging portion. The first engaging portion is installed on the outer wall surface of the second fastening component body. The second engaging portion is installed on the outer wall surface of the second fastening component body and is connected to at least one first engaging portion. When the second fastening component body is inserted into the insertion hole of the first fastening component body, at least one first engaging portion and at least one first engaging portion engage with each other, and at least one second engaging portion and at least one second engaging portion engage with each other.
[0006] Other examples of the above embodiments are as follows. The second fastening component body further includes an elastic segment and a fixed segment. The elastic segment is for a user to press and has a first engaging portion and a second engaging portion. The fixed segment is connected to the elastic segment. There is a space between the elastic segment and the fixed segment.
[0007] Other examples of the above embodiments are as follows. A horizontal line is defined between the elastic segment and the fixed segment. A first included angle is provided between the elastic segment and the horizontal line.
[0008] Other examples of the above embodiments are as follows. The first included angle is between 7 degrees and 8 degrees.
[0009] Other examples of the above embodiments are as follows. A horizontal line is defined between the elastic segment and the fixed segment. A second included angle is provided between the fixed segment and the horizontal line.
[0010] Other embodiments of the above-described embodiment are as follows. The second included angle is between 2 degrees and 3 degrees.
[0011] Other embodiments of the above-described embodiment are as follows. The first engaging portion and the second engaging portion are concave portions. The second engaging portion and the first engaging portion are convex portions.
[0012] Other embodiments of the above-described embodiment are as follows. The at least one first engaging portion has an engaging surface. The at least one first engaging portion has an engaging surface. When the second fastening component body is inserted into the insertion hole of the first fastening component body, the engaging surface abuts against the engaging surface.
[0013] Other embodiments of the above-described embodiment are as follows. The second engaging portion has a first contact point and a second contact point. The second engaging portion has a contact bottom surface and a contact wall surface. When the second fastening component body is inserted into the insertion hole of the first fastening component body, the first contact point abuts against the contact bottom surface, and the second contact point abuts against the contact wall surface.
[0014] Other embodiments of the above-described embodiment are as follows. The number of the first engaging portion, the second engaging portion, the first engaging portion, and the second engaging portion is two.
Brief Description of the Drawings
[0015]
Figure 1
Figure 2
Figure 3
Figure 4
Modes for Carrying Out the Invention
[0016] Hereinafter, a plurality of embodiments of the present disclosure will be disclosed with reference to the drawings. For the sake of clear description, numerous practical details are described together in the following description. However, it should be understood that these practical details are not for limiting the present disclosure. That is, in some embodiments of the present disclosure, these practical details are not necessary. Also, for the purpose of simplifying the drawings, some conventional structures and elements are shown simply and schematically in the drawings, and the same elements may be denoted by the same numbers.
[0017] Also, in this specification, when an element (or unit, module, etc.) is described as being "connected / linked", it may be directly connected / linked to another element, or may be indirectly connected / linked. That is, there may be another element intervening between that element and another element. On the other hand, when it is explicitly stated that an element is "directly connected / linked", it means that there is no other element between that element and another element. Also, terms such as "first", "second", "third", etc. are used to identify different elements and do not limit the elements themselves. Therefore, the "first element" can also be referred to as the "second element". The combination of elements / units / circuits in this specification is not a generally known, conventional, or customary combination in the art, and it cannot be determined whether the combination relationship can be easily conceived by those skilled in the art depending on whether the elements / units / circuits themselves are conventional.
[0018] Please refer to FIGS. 1, 2, and 3. FIG. 1 is a perspective view showing the fastener structure 100 of the first embodiment of the present disclosure. FIG. 2 is a cross-sectional view showing the separated state of the fastener structure 100 in FIG. 1. FIG. 3 is a cross-sectional view showing the combined state of the fastener structure 100 in FIG. 1. In the first embodiment, the fastener structure 100 has a first fastening component 110 and a second fastening component 120. The fastener structure 100 may be applied to a battery pack and is used for the engagement between the lid of the battery pack and the battery pack body, but the present disclosure is not limited thereto.
[0019] The first fastening component 110 includes a first fastening component body 111, at least one first engaging portion 112, and at least one second engaging portion 113. The first fastening component body 111 has an insertion hole 1111. The first engaging portion 112 is installed on the inner wall surface of the first fastening component body 111 (without number notation). The second engaging portion 113 is also installed on the inner wall surface of the first fastening component body 111 and is connected to one end of the first engaging portion 112. Specifically, in the first embodiment, the number of the first engaging portion 112 and the second engaging portion 113 is one each. In the actual manufacturing process, the number of the first engaging portion 112 and the second engaging portion 113 can be increased based on needs, and each component of the first engaging portion 112 and each component of the second engaging portion 113 may have the same or similar structures. Therefore, the present disclosure is not limited to the disclosure of the first embodiment.
[0020] As can be seen from FIG. 2, the first engaging portion 112 is a concave portion, and the second engaging portion 113 is a convex portion. Both are installed on the inner wall surface of the first fastening component body 111, and a continuous engagement area is formed on the first fastening component body 111. The second engaging portion 113 is located at the opening position of the insertion hole 1111. The first engaging portion 112 is installed at a deeper position on the inner wall surface and is farther from the opening of the insertion hole 1111 than the second engaging portion 113.
[0021] The second fastening component 120 is removably assembled to the first fastening component 110, and includes a second fastening component body 121, at least one first engaging portion 122, and at least one second engaging portion 123. Since the second fastening component body 121 has an elastic structure, it can be removably assembled without being damaged. The first engaging portion 122 is installed on the outer wall surface (not numbered) of the second fastening component body 121, and its position corresponds to the first engaging portion 122 of the first fastening component 110. The second engaging portion 123 is also installed on the outer wall surface of the second fastening component body 121 and is connected to one end of the first engaging portion 122, and its position corresponds to the second engaging portion 113 of the first fastening component 110. Specifically, in the first embodiment, the numbers of the first engaging portion 122 and the second engaging portion 123 are both one, and respectively correspond to the numbers of the first engaging portion 112 and the second engaging portion 113. In the actual manufacturing process, the numbers of the first engaging portion 122 and the second engaging portion 123 can be increased based on needs, and each component of the first engaging portion 122 and each component of the second engaging portion 123 may have the same or similar structure. Therefore, the present disclosure is not limited to the disclosure of the first embodiment.
[0022] As can be seen from FIG. 2, the first engaging portion 122 is a convex portion, and the second engaging portion 123 is a concave portion. Both are installed on the outer wall surface of the second fastening component body 121, and a continuous engaging area is formed on the second fastening component body 121.
[0023] When the second fastening component body 121 is inserted into the insertion hole 1111 of the first fastening component body 111, the first engaging portion 112 and the first engaging portion 122 are engaged with each other, and the second engaging portion 113 and the second engaging portion 123 are engaged with each other. Specifically, in the engaging process, as the first step, the convex first engaging portion 122 first contacts the concave first engaging portion 112 to start the engagement. Through this process, an initial fixation is performed to ensure the initial connection between the fastener structures 100. Subsequently, when the insertion of the second fastening component body 121 continues, as the second step, the convex second engaging portion 113 and the concave second engaging portion 123 are further connected to form a two-stage engaging structure.
[0024] In the first engagement process, by performing stable initial fixation, it is possible to prevent the fastening structure 100 from loosening or coming off at the initial stage of insertion. In the second engagement process, the fixation is further strengthened, and a more powerful stability and anti-loosening function can be realized. The two-stage engagement structure can not only effectively prevent the loosening of the fastening structure 100 due to the action of external forces or vibrations, but also ensure long-term reliability. Therefore, it is particularly suitable for high-load and frequently used application scenarios.
[0025] In the first embodiment, the second fastening component body 121 further includes an elastic segment 1211 and a fixed segment 1212. The elastic segment 1211 is for the user to press and has a first engaging portion 122 and a second engaging portion 123. There is a space S between the elastic segment 1211 and the fixed segment 1212. Specifically, the elastic segment 1211 and the fixed segment 1212 form a U-shaped structure. Compared with the solid structure of the prior art, the present disclosure not only reduces the amount of material used but also effectively saves costs. In addition, the user can easily insert and remove the second fastening component body 121 without the need for excessive force or special tools, further improving the convenience of assembly and disassembly.
[0026] Please refer to FIG. 2. A horizontal line L is defined between the elastic segment 1211 and the fixed segment 1212. The included angle between the elastic segment 1211 and the horizontal line L is the first included angle θ1, and the included angle between the fixed segment 1212 and the horizontal line L is the second included angle θ2. The first included angle θ1 is between 7 degrees and 8 degrees, and the second included angle θ2 is between 2 degrees and 3 degrees. In the first embodiment, the first included angle θ1 is 7.5 degrees and the second included angle θ2 is 2.5 degrees. However, the present disclosure is not limited thereto and can be adjusted based on specific needs. By providing the first included angle θ1 and the second included angle θ2, the insertion process of the second fastening component body 121 can be made smoother, and the problems of jamming and resistance in assembly can be effectively reduced. Since the included angles can be accurately set, accurate connection can be easily achieved without the user applying excessive force during insertion, and the risk of damage caused by improper operation or excessive pressure can be reduced. In addition, it can be guaranteed that the fastener structure 100 maintains durability and stability after each engagement, and the phenomenon of loosening due to long-term use or vibration can be prevented. Also, due to the setting of the included angles, the disassembly process of the fastener structure 100 is similarly simplified, and the user can easily disassemble the fastener structure 100 without the need for additional tools. In particular, it is suitable for application scenarios that require frequent assembly and disassembly. Thereby, not only the working efficiency is improved, but also the risk of operation errors is reduced, making it suitable for various environments that require quick and easy assembly.
[0027] Please continue to refer to FIG. 3. The first engaging portion 112 has an engaging surface 1121. The first engaging portion 122 has an engaging surface 1221. The second engaging portion 113 has a first contact point 1131 and a second contact point 1132. The second engaging portion 123 has a contact bottom surface 1231 and a contact wall surface 1232. When the second fastening component body 121 is inserted into the insertion hole 1111 of the first fastening component body 111, the engaging surface 1121 contacts and abuts against the engaging surface 1221. At the same time, the first contact point 1131 abuts against the contact bottom surface 1231, and the second contact point 1132 abuts against the contact wall surface 1232. Thereby, the fastening structure 100 realizes stable positioning and displacement limitation under the action of two types of contact methods (surface-to-surface contact and surface-to-point contact), and can effectively improve the structural stability and the resistance to external interference. The surface-to-surface contact can provide a larger contact area, so the stability of the overall structure can be ensured. And the surface-to-point contact enables the force to accurately concentrate on important parts, effectively prevents relative displacement, and can ensure the stability of the engaging structure.
[0028] Please refer to FIGS. 1 and 4 simultaneously. FIG. 4 is a perspective view showing the fastening structure 100a of the second embodiment of the present disclosure. Compared with the fastening structure 100 of the first embodiment in FIG. 1, in the second embodiment, the quantities of the first engaging portion 112, the second engaging portion (not shown), the first engaging portion 122, and the second engaging portion 123 are all two. Thereby, due to the increase in the quantities of the first engaging portion 112, the second engaging portion, the first engaging portion 122, and the second engaging portion 123, the stability and load-bearing capacity of the fastening structure 100a are further improved. Thereby, the damage that may occur due to excessive stress on a single engaging point is reduced, and the durability and tensile strength of the entire structure are improved.
[0029] It should be noted that the remaining elements and configuration arrangements of the fastening structure 100a of the second embodiment are the same as or similar to those of the fastening structure 100 of the first embodiment, so detailed description is omitted.
[0030] As described above, the fastener structure of the present disclosure has the following advantages. First, by providing a two-stage engagement, a stable engagement effect is achieved, ensuring stability in each assembly process and effectively preventing loosening due to high loads or external forces. Second, by providing an included angle, the insertion process becomes smoother, reducing the resistance during assembly and the force required by the user, thus ensuring the long-term stability of the fastener structure. Third, by increasing the number of engagement parts, the load on each engagement point is dispersed, improving the load-bearing capacity and tensile strength of the entire structure and enhancing the durability of the fastener structure. In particular, it is suitable for application scenarios that require frequent assembly and disassembly.
[0031] Each of the embodiments disclosed above is not intended to limit the present invention, and those skilled in the art can make various changes and decorations without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be based on that defined by the scope of claims of the attached utility model registration.
Explanation of Reference Numerals
[0032] 100, 100a Fastener Structure 110 First Fastening Part 111 First Fastening Part Body 1111 Insertion Hole 112 First Attachment Part 1121 Attachment Surface 113 Second Attachment Part 1131 First Contact Point 1132 Second Contact Point 120 Second Fastening Part 121 Second Fastening Part Body 1211 Elastic Segment 1212 Fixed Segment 122 First Engagement Part 1221 Engagement Surface 123 Second Engagement Part 1231 Contact Bottom Surface 1232 Contact Wall Surface L Horizontal Line S Space θ1, the first included angle θ2, the second included angle
Claims
1. A first fastening component, and a second fastening component removably assembled to the first fastening component, wherein the first fastening component includes a first fastening component body having an insertion hole, at least one first engaging portion provided on an inner wall surface of the first fastening component body, and at least one second engaging portion provided on the inner wall surface of the first fastening component body and connected to the at least one first engaging portion, wherein the second fastening component includes a second fastening component body, at least one first engaging portion provided on an outer wall surface of the second fastening component body, and at least one second engaging portion provided on the outer wall surface of the second fastening component body and connected to the at least one first engaging portion, wherein when the second fastening component body is inserted into the insertion hole of the first fastening component body, the at least one first engaging portion and the at least one first engaging portion engage with each other, and the at least one second engaging portion and the at least one second engaging portion engage with each other. A fastening structure characterized by the above.
2. The second fastening component body is for a user to press, and includes an elastic segment having the at least one first engaging portion and the at least one second engaging portion, and a fixed segment connected to the elastic segment, wherein there is a space between the elastic segment and the fixed segment. The fastening structure according to claim 1, characterized by the above.
3. A horizontal line is defined between the elastic segment and the fixed segment, and a first included angle is provided between the elastic segment and the horizontal line. The fastening structure according to claim 2, characterized by the above.
4. The first included angle is between 7 degrees and 8 degrees. The fastening structure according to claim 3, characterized by the above.
5. A horizontal line is defined between the elastic segment and the fixed segment, and a second included angle is provided between the fixed segment and the horizontal line. The fastening structure according to claim 2, characterized by the above.
6. The second included angle is between 2 degrees and 3 degrees. The fastening structure according to claim 5, characterized by the above.
7. The at least one first engaging portion and the at least one second engaging portion are recesses, and the at least one second engaging portion and the at least one first engaging portion are protrusions. The fastening structure according to claim 1, characterized by the above.
8. The at least one first engaging portion has an engaging surface, The at least one first engaging portion has an engaging surface, When the second fastening component body is inserted into the insertion hole of the first fastening component body, the engaging surface is brought into contact with the engaging surface, The fastening tool structure according to claim 1, characterized in that.
9. The at least one second engaging portion has a first contact point and a second contact point, The at least one second engaging portion has a contact bottom surface and a contact wall surface, When the second fastening component body is inserted into the insertion hole of the first fastening component body, the first contact point is brought into contact with the contact bottom surface, and the second contact point is brought into contact with the contact wall surface, The fastening tool structure according to claim 1, characterized in that.
10. The number of the at least one first engaging portion, the at least one second engaging portion, the at least one first engaging portion, and the at least one second engaging portion is two, The fastening tool structure according to claim 1, characterized in that.