Snap-on eyeglass frame

Abstract

The application relates to the technical field of eyeglass frames, in particular to a clamping type eyeglass frame which comprises a front frame assembly, a temple assembly and a clamping locking assembly. The front frame assembly is provided with a mounting groove, the temple assembly is quickly assembled by being matched with the limiting groove through an elastic buckle, the guide block and the limiting groove ensure accurate positioning, and the reset spring and the unlocking button realize a quick disassembly function. The positioning column and the positioning hole are matched to enhance the connection stability, and the annular groove and the elastic protrusion provide a anti-disengagement function. The application can simplify the assembly process, improve the structural stability, meet the modular design requirement, facilitate users to replace the temples or maintain, meanwhile, the traditional structure loosening problem is avoided, and the use reliability is improved.

Description

Technical Field

[0001] This utility model belongs to the field of eyeglasses manufacturing technology, specifically a snap-fit ​​eyeglass frame. Background Technology

[0002] With the development of eyeglass frame technology, various eyeglass structures have continuously improved in terms of wearing comfort, ease of assembly, and structural stability. However, existing eyeglass frames still suffer from problems such as complex assembly, easy loosening, and insufficient durability in the connection between the temples and the front frame. Especially during frequent opening and closing, the hinge structure is prone to wear, leading to a decrease in clamping force or abnormal noise, affecting the user experience. In addition, traditional screw-fixed or flexible hinge structures require high processing precision and are inconvenient to repair and replace, making it difficult to meet users' dual needs for quick assembly and disassembly as well as high stability.

[0003] A search revealed a spectacle frame with publication number CN105917269B, published on October 11, 2019. This design achieves a hinged connection by incorporating an independent elastic bending element between the lateral protrusion of the front frame and the temple. One end of the elastic element is fixed to the temple, while the other end passes through an opening in the protrusion and engages with the connection gap, utilizing elastic deformation to achieve the opening and closing movement of the temple. While this structure improves the elastic cushioning effect and enhances clamping stability during wear, it relies on the sliding engagement of the elastic element within the opening. Over time, this can lead to elastic fatigue or loosening of the engagement, resulting in inaccurate temple return or wobbling. Furthermore, the structure still requires precision assembly to embed the elastic element into the opening, making disassembly and assembly complex and lacking a quick replacement function, thus limiting its application in modular or replaceable spectacle designs.

[0004] A search revealed a detachable eyeglass frame with publication number CN109313357B, published on June 9, 2020. This frame uses a hook-like component and a recessed part between the front component and the temple, achieving a detachable connection via a fastening clamp. This design allows for separate assembly of the temples and the front frame, exhibiting a degree of modularity and facilitating the replacement of different temple styles. However, its connection relies on externally attached fastening clamps to maintain stability, resulting in a cumbersome structure, increased overall weight, and more assembly steps. Furthermore, the hook-like component and recessed part lack self-positioning and anti-detachment functions, making it prone to accidental detachment after severe shaking or prolonged use, leading to low connection reliability. In addition, the clamps themselves are easily damaged or lost, resulting in high maintenance costs and hindering convenient daily use.

[0005] The aforementioned problems indicate that existing eyeglass frames, when connecting the temples to the front frame, either rely on complex elastic hinge structures leading to poor durability, or use detachable methods with additional clamps resulting in insufficient stability, making it difficult to simultaneously achieve quick installation, secure connection, and long-term reliability. Therefore, this invention provides a snap-fit ​​eyeglass frame that, through an integrated elastic buckle and limiting groove structure, achieves tool-free, quick assembly and secure locking between the temples and the front frame, eliminating the need for additional fasteners, improving assembly efficiency and structural stability, and meeting the demands of modern eyewear products for modularity, ease of maintenance, and highly reliable connections. Utility Model Content

[0006] This utility model relates to a snap-fit ​​eyeglass frame, including a front frame assembly, a temple assembly, and a snap-fit ​​locking assembly. A mounting groove is provided on one side of the front frame assembly. One end of the temple assembly is connected to the mounting groove via the snap-fit ​​locking assembly. The snap-fit ​​locking assembly includes a spring-loaded buckle, a limiting groove, a guide block, and an unlocking button. Limiting grooves are symmetrically arranged on the inner wall of the mounting groove of the front frame assembly. Spring-loaded buckles are symmetrically fixed to the outer wall of one end of the temple assembly, with the outer side of the spring-loaded buckle being an inclined surface. A guide block is provided on the inner side of the spring-loaded buckle, and one end of the guide block is slidably connected to the inner wall of the limiting groove. An unlocking button is embedded in the top of one end of the temple assembly, with the bottom end of the unlocking button contacting the top end of the spring-loaded buckle.

[0007] The front frame assembly has symmetrical guide grooves on the inner wall of the mounting slot. One end of the temple assembly has symmetrical guide protrusions on its outer wall corresponding to the guide grooves, with one side of each protrusion slidably connected to the inner wall of the guide groove. The inner wall of the guide groove has an anti-slip step, and one end of each guide protrusion has a limiting step that engages with the anti-slip step. The inner wall of the limiting groove has a buffer pad, with one side of the buffer pad contacting the outer wall of the guide block. When the inclined surface of the elastic buckle contacts the inner wall of the mounting slot, pressing one end of the temple assembly causes the elastic buckle to retract inward until the guide block of the elastic buckle slides into the limiting groove, completing the engagement.

[0008] The locking assembly further includes a return spring and a locking pin. A return spring is symmetrically arranged inside one end of the temple assembly. One end of the return spring is fixed to the inner wall of the elastic buckle, and the other end is fixed to the inner wall of the temple assembly. A locking pin is also arranged inside one end of the temple assembly. One end of the locking pin passes through the temple assembly and contacts the inner wall of the elastic buckle, while the other end contacts the bottom end of the unlock button. The bottom end of the unlock button has a bevel, and one end of the locking pin has an inclined surface that cooperates with the bevel. When the unlock button is pressed, the bevel pushes the locking pin inward, causing it to disengage from the inner wall of the elastic buckle. The elastic buckle then pops outward under the action of the return spring, completing the unlocking process.

[0009] The front frame assembly has symmetrically arranged positioning holes on the inner wall of the mounting groove. A positioning post is provided on the outer wall of one end of the temple assembly corresponding to the positioning hole, with one end of the positioning post inserted into the inner wall of the positioning hole. An annular groove is provided on the outer wall of the positioning post, and an elastic protrusion that mates with the annular groove is provided on the inner wall of the positioning hole. Anti-slip textures are symmetrically arranged on the outer wall of one end of the temple assembly, with one side of the anti-slip texture contacting the inner wall of the mounting groove.

[0010] Reinforcing ribs are symmetrically fixed to one side of the outer wall of the front frame assembly. One end of each reinforcing rib is connected to the inner wall of the mounting groove, and the other end extends to the outer wall of the front frame assembly. A shock-absorbing cavity is provided inside one end of the temple assembly. Shock-absorbing blocks are symmetrically arranged on the inner wall of the shock-absorbing cavity, and one end of each shock-absorbing block contacts the inner wall of the temple assembly. Decorative strips are symmetrically arranged on the outer wall of one end of the temple assembly, and one side of each decorative strip connects to the outer wall of the temple assembly.

[0011] This invention enables rapid assembly of the temple assembly and front frame assembly through the cooperation of an elastic buckle and a limiting groove, allowing connection without additional tools or fasteners. The inclined surface design of the elastic buckle allows the temple assembly to automatically compress and slide into the limiting groove when inserted into the mounting slot, achieving a self-locking function. The cooperation between the guide block and the limiting groove ensures precise positioning of the temple assembly during assembly, preventing loosening or wobbling. The return spring design allows the elastic buckle to quickly return to its original shape after unlocking, facilitating repeated assembly.

[0012] This invention further enhances the connection stability between the temple assembly and the front frame assembly through the cooperation of the positioning post and positioning hole. The design of the annular groove and elastic protrusion provides additional anti-dislodgement function, ensuring that the temple assembly remains firmly connected even after violent shaking or long-term use. The cooperation of the unlock button and locking pin enables tool-free quick disassembly. Users can easily separate the temple assembly and the front frame assembly by simply pressing the unlock button, meeting the requirements of modular design.

[0013] The beneficial effects of this utility model are as follows: The combination of elastic buckle and limiting groove simplifies the assembly process of the temple assembly and the front frame assembly, eliminating the need for complex hinge structures or external fasteners, thus improving assembly efficiency and structural stability. The combination of guide block and limiting groove ensures precise positioning of the temple assembly during assembly, avoiding loosening problems caused by insufficient machining precision in traditional structures. The combination of return spring and unlocking button enables quick disassembly, facilitating users to replace different styles of temples or perform routine maintenance. The combination of positioning post and positioning hole further enhances connection reliability, while the design of annular groove and elastic protrusion provides additional anti-dislodgement functionality, meeting the demands of modern eyewear products for modularity, ease of maintenance, and highly reliable connections. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model. Figure 2 This is a schematic diagram of the overall structure of this utility model from another angle. Figure 3 This is a schematic diagram of the internal structure of the temple assembly. Figure 4 for Figure 2 A magnified diagram of region A.

[0015] The attached diagram is labeled as follows: 1. Front frame assembly; 2. Temple assembly; 3. Elastic buckle; 4. Limiting groove; 5. Guide block; 6. Unlock button; 7. Return spring; 8. Locking pin; 9. Guide groove; 10. Anti-slip step; 11. Positioning hole; 12. Positioning post; 13. Buffer pad; 14. Reinforcing rib; 15. Shock absorption cavity; 16. Decorative strip. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0017] Specific implementation examples are given below.

[0018] This utility model relates to a snap-fit ​​eyeglass frame, which includes a front frame assembly 1, a temple assembly 2, and a snap-fit ​​locking assembly. The specific embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0019] like Figure 1 As shown, a mounting groove is provided on one side of the front frame assembly 1. A limiting groove 4 and a guide groove 9 are symmetrically formed on the inner wall of the mounting groove. An anti-slip step 10 is provided on the inner wall of the guide groove 9, and a buffer pad 13 is provided on the inner wall of the limiting groove 4. A flexible buckle 3 is symmetrically fixed to the outer wall of one end of the temple assembly 2. The outer side of the flexible buckle 3 is an inclined surface, and a guide block 5 is provided on the inner side. One end of the guide block 5 is slidably connected to the inner wall of the limiting groove 4. A guide protrusion is symmetrically provided on the outer wall of one end of the temple assembly 2, corresponding to the position of the guide groove 9. One side of the guide protrusion is slidably connected to the inner wall of the guide groove 9, and one end of the guide protrusion is provided with a limiting step that cooperates with the anti-slip step 10. An unlocking button 6 is embedded in the top of one end of the temple assembly 2, and the bottom end of the unlocking button 6 contacts the top end of the flexible buckle 3.

[0020] like Figure 2As shown, the temple assembly 2 is connected to the front frame assembly 1 via a snap-fit ​​locking component. During assembly, one end of the temple assembly 2 is inserted into the mounting groove of the front frame assembly 1. The inclined surface of the elastic buckle 3 contacts the inner wall of the mounting groove. As the temple assembly 2 is pressed, the elastic buckle 3 retracts inward, and the guide block 5 slides along the inner wall of the limiting groove 4 until the guide block 5 slides into the bottom of the limiting groove 4 to complete the snap-fit. During this process, the guide protrusion slides along the guide groove 9, and the limiting step and the anti-dislodgement step 10 cooperate to ensure that the temple assembly 2 will not be dislodged from the mounting groove due to external force. The buffer pad 13 contacts the outer wall of the guide block 5, providing a buffering effect to prevent damage to the components due to impact or vibration.

[0021] like Figure 3 As shown, the locking assembly also includes a return spring 7 and a locking pin 8. One end of the return spring 7 is fixed to the inner wall of the elastic buckle 3, and the other end is fixed to the inner wall of the temple assembly 2. One end of the locking pin 8 passes through the temple assembly 2 and contacts the inner wall of the elastic buckle 3, while the other end contacts the bottom end of the unlocking button 6. The bottom end of the unlocking button 6 is provided with a bevel, and one end of the locking pin 8 is provided with an inclined surface that cooperates with the bevel. When the unlocking button 6 is pressed, the bevel pushes the locking pin 8 inward, the locking pin 8 disengages from the inner wall of the elastic buckle 3, the elastic buckle 3 pops outward under the action of the return spring 7, the guide block 5 disengages from the limiting groove 4, and the temple assembly 2 separates from the front frame assembly 1.

[0022] like Figure 4 As shown, a shock-absorbing cavity 15 is provided inside one end of the temple assembly 2. Shock-absorbing blocks are symmetrically arranged on the inner wall of the shock-absorbing cavity 15, and one end of the shock-absorbing blocks contacts the inner wall of the temple assembly 2. The design of the shock-absorbing cavity 15 and the shock-absorbing blocks can absorb external impact forces and reduce the impact of collisions or vibrations on the temple assembly 2 and the front frame assembly 1. Decorative strips 16 are symmetrically arranged on the outer wall of one end of the temple assembly 2. One side of the decorative strips 16 is connected to the outer wall of the temple assembly 2 to enhance the aesthetics of the product.

[0023] A reinforcing rib 14 is symmetrically fixed to one side of the outer wall of the front frame assembly 1. One end of the reinforcing rib 14 is connected to the inner wall of the mounting groove, and the other end extends to the outer wall of the front frame assembly 1. The design of the reinforcing rib 14 improves the overall strength of the front frame assembly 1 and prevents the mounting groove from deforming due to long-term use or external forces. Anti-slip textures are symmetrically provided on one end of the outer wall of the temple assembly 2. One side of the anti-slip texture contacts the inner wall of the mounting groove, increasing the friction between the temple assembly 2 and the front frame assembly 1, and further improving the stability of the assembly.

[0024] In practical applications, users can quickly assemble and disassemble the temple assembly 2 and the front frame assembly 1 through simple operations. For example, during assembly, align one end of the temple assembly 2 with the mounting groove of the front frame assembly 1, press the temple assembly 2 to make it slide along the guide groove 9, the inclined surface of the elastic buckle 3 contacts the inner wall of the mounting groove and automatically compresses, the guide block 5 slides into the limiting groove 4, and completes self-locking. At this time, the positioning post 12 cooperates with the positioning hole 11, and the annular groove engages with the elastic protrusion to ensure that the temple assembly 2 and the front frame assembly 1 are firmly connected. When disassembly is required, press the unlock button 6, the inclined surface pushes the locking pin 8 inward, the elastic buckle 3 pops outward under the action of the return spring 7, the guide block 5 disengages from the limiting groove 4, and the temple assembly 2 separates from the front frame assembly 1. This process requires no additional tools or fasteners, making it convenient for users to replace different styles of temples or perform daily maintenance.

[0025] The above embodiments describe in detail the structural composition, connection relationships between components, and working principle of this utility model, ensuring that those skilled in the art can implement the technical solution based on the description. To better enable those skilled in the art to fully understand and implement this utility model, the specific implementation principle of this utility model is further explained below in conjunction with a specific application scenario.

[0026] When assembling the temple assembly 2 and the front frame assembly 1, first align one end of the temple assembly 2 with the mounting groove of the front frame assembly 1. At this time, the guide protrusion on the temple assembly 2 corresponds to the guide groove 9 of the front frame assembly 1, ensuring the initial insertion directionality and avoiding assembly failure due to misoperation. As the temple assembly 2 is pushed in, the inclined surface of the elastic buckle 3 contacts the inner wall of the mounting groove. Due to the design of the inclined surface, the elastic buckle 3 is compressed and retracts inward. At the same time, the guide block 5 slides along the inner wall of the limiting groove 4. This process, guided by the guide groove 9, allows the temple assembly 2 to smoothly enter the mounting groove, avoiding jamming or damage caused by uneven external force. When the elastic buckle 3 is fully inserted into the mounting groove, the elastic buckle 3 returns to its original shape under its own elasticity, and the guide block 5 slides into the bottom of the limiting groove 4, completing the self-locking function. During this process, the buffer pad 13 contacts the outer wall of the guide block 5, playing a buffering role and absorbing the impact force that may be generated during the assembly process, thereby protecting the components from damage. Simultaneously, the positioning post 12 is inserted into the positioning hole 11, and the annular groove engages with the elastic protrusion, further enhancing the connection stability between the temple assembly 2 and the front frame assembly 1 and preventing loosening due to external force. Through the above steps, the temple assembly 2 and the front frame assembly 1 achieve a quick and secure connection.

[0027] When it is necessary to disassemble the temple assembly 2, press the unlock button 6. The beveled surface at the bottom of the unlock button 6 pushes the locking pin 8 inward. After the locking pin 8 disengages from the inner wall of the elastic buckle 3, the force of the return spring 7 causes the elastic buckle 3 to pop outward, and the guide block 5 then disengages from the limiting groove 4. At this time, the locking relationship between the temple assembly 2 and the front frame assembly 1 is released, and the user can easily remove the temple assembly 2 from the mounting groove. The entire disassembly process requires no additional tools and can be completed with just one hand, greatly facilitating the user's daily maintenance and temple replacement needs.

[0028] Through the design of the shock-absorbing cavity 15 and the shock-absorbing block, the temple assembly 2 can effectively absorb external impact forces during use. For example, when the glasses are accidentally dropped or impacted, the shock-absorbing block inside the shock-absorbing cavity 15 disperses the impact energy through its own elastic deformation, reducing the impact on the temple assembly 2 and the front frame assembly 1, thereby extending the product's service life. In addition, the design of the reinforcing rib 14 improves the overall strength of the front frame assembly 1, especially in the mounting groove area, preventing deformation of the mounting groove due to long-term use or external forces, which would affect the assembly accuracy of the temple assembly 2. The presence of anti-slip texture increases the friction between the temple assembly 2 and the front frame assembly 1, further improving the stability of the assembly and ensuring that no loosening occurs during frequent opening and closing of the temples.

[0029] The decorative strip 16 not only enhances the product's aesthetics but also strengthens the overall structural integrity through its tight connection with the outer wall of the temple assembly 2. In practical applications, users can choose different colors or materials for the decorative strip 16 to meet their individual preferences. Furthermore, the mating design of the positioning post 12 and the positioning hole 11 ensures a secure connection even after vigorous shaking or prolonged use. This is thanks to the interlocking action of the annular groove and the elastic protrusion, ensuring that the temple assembly 2 will not accidentally detach due to fatigue or wear.

[0030] In summary, this invention achieves rapid assembly and disassembly of the temple assembly 2 and the front frame assembly 1 through the synergistic action of components such as the elastic buckle 3, the limiting groove 4, the guide groove 9, and the positioning post 12. Simultaneously, the design of the buffer pad 13, the shock-absorbing cavity 15, and the reinforcing rib 14 enhances the product's durability and stability. These designs not only simplify the assembly process but also significantly improve product reliability and user experience, providing a new solution for the technological improvement of eyeglass frames.

[0031] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A snap-fit ​​eyeglass frame, characterized in that, The device includes a front frame assembly (1), a temple assembly (2), and a locking assembly. The front frame assembly (1) has a mounting groove on one side, and one end of the temple assembly (2) is connected to the mounting groove via the locking assembly. The locking assembly includes an elastic buckle (3), a limiting groove (4), a guide block (5), and an unlocking button (6). The inner wall of the mounting groove of the front frame assembly (1) is symmetrically provided with limiting grooves (4). The outer wall of one end of the temple assembly (2) is symmetrically fixed with elastic buckles (3). The outer side of the elastic buckle (3) is set as an inclined surface. The inner side of the elastic buckle (3) is provided with a guide block (5). One end of the guide block (5) is slidably connected to the inner wall of the limiting groove (4). The top of one end of the temple assembly (2) is inlaid with an unlocking button (6), and the bottom end of the unlocking button (6) contacts the top end of the elastic buckle (3).

2. The snap-fit ​​eyeglass frame according to claim 1, characterized in that, The front frame assembly (1) has symmetrical guide grooves (9) on the inner wall of the mounting groove. The temple assembly (2) has symmetrical guide protrusions on the outer wall of one end corresponding to the guide grooves (9). One side of the guide protrusion is slidably connected to the inner wall of the guide groove (9). The inner wall of the guide groove (9) is provided with an anti-slip step (10). One end of the guide protrusion is provided with a limiting step that cooperates with the anti-slip step (10).

3. A snap-fit ​​eyeglass frame according to claim 1, characterized in that, The locking assembly further includes a reset spring (7) and a locking pin (8). A reset spring (7) is symmetrically arranged inside one end of the temple assembly (2). One end of the reset spring (7) is fixed to the inner wall of the elastic buckle (3), and the other end of the reset spring (7) is fixed to the inner wall of the temple assembly (2). A locking pin (8) is also arranged inside one end of the temple assembly (2). One end of the locking pin (8) passes through the temple assembly (2) and contacts the inner wall of the elastic buckle (3). The other end of the locking pin (8) contacts the bottom end of the unlocking button (6).

4. A snap-fit ​​eyeglass frame according to claim 3, characterized in that, The bottom of the unlock button (6) is provided with a slope, and one end of the locking pin (8) is provided with an inclined surface that cooperates with the slope.

5. A snap-fit ​​eyeglass frame according to claim 1, characterized in that, The front frame assembly (1) has symmetrically arranged positioning holes (11) on the inner wall of the mounting groove. The temple assembly (2) has a positioning post (12) on the outer wall of one end corresponding to the positioning hole (11). One end of the positioning post (12) is inserted into the inner wall of the positioning hole (11). The outer wall of the positioning post (12) has an annular groove. The inner wall of the positioning hole (11) has an elastic protrusion that cooperates with the annular groove.

6. A snap-fit ​​eyeglass frame according to claim 1, characterized in that, A buffer pad (13) is provided on the inner wall of the limiting groove (4), and one side of the buffer pad (13) is in contact with the outer wall of the guide block (5).

7. A snap-fit ​​eyeglass frame according to claim 1, characterized in that, A reinforcing rib (14) is symmetrically fixed to one side of the outer wall of the front frame assembly (1). One end of the reinforcing rib (14) is connected to the inner wall of the mounting groove, and the other end of the reinforcing rib (14) extends to the outer wall of the front frame assembly (1).

8. A snap-fit ​​eyeglass frame according to claim 1, characterized in that, A shock-absorbing cavity (15) is provided inside one end of the temple assembly (2). Shock-absorbing blocks are symmetrically arranged on the inner wall of the shock-absorbing cavity (15), and one end of the shock-absorbing block is in contact with the inner wall of the temple assembly (2).

9. A snap-fit ​​eyeglass frame according to claim 1, characterized in that, A decorative strip (16) is symmetrically arranged on the outer wall of one end of the temple assembly (2), and one side of the decorative strip (16) is connected to the outer wall of the temple assembly (2).

10. A snap-fit ​​eyeglass frame according to claim 1, characterized in that, The temple assembly (2) has symmetrical anti-slip textures on one end of its outer wall, and one side of the anti-slip textures is in contact with the inner wall of the mounting groove.

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