Lightweight composite mirror frame
Through the composite structure of the lightweight frame and back plate, the problems of large weight of metal frames and vulnerability of lenses are solved, and the frame design with lightweight and cushioning performance is achieved, which is suitable for matching with multiple styles.
Patent Information
- Application Number
- CN202422875172.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-08-29
- Estimated Expiration
- 2034-11-25
AI Technical Summary
The existing metal frames are large in weight, difficult to handle, and the lenses are easily damaged when in contact with the metal frame.
The composite structure of a lightweight frame and a lightweight back plate is adopted, with a density less than 3g/cm3, including the first lightweight frame, the second lightweight frame and the third lightweight back plate, which are connected by an adhesive layer to avoid direct contact between the lens and the metal frame.
It realizes lightweighting of the frame, reduces the breakage rate of the lens, provides a variety of style matching methods, and enhances the cushioning performance of the frame.
Smart Images

Figure CN223284442U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of spectacles frames, in particular to a lightweight composite spectacles frame. Background Art
[0002] In the prior art, frames, especially medium-sized and large frames, are typically made of metal to increase their strength and prevent them from being too weak to support the weight of the lenses. However, metal frames are relatively rigid, and lenses can easily break if they come into contact with them. Furthermore, metal frames are heavy, making them bulky and difficult to carry.
[0003] In order to solve the above problems, there is an urgent need to invent a lightweight composite frame to solve the problems that metal frames are heavy and difficult to carry, and the lenses are damaged due to contact with the metal frame. Utility Model Content
[0004] The utility model provides a lightweight composite frame, the purpose of which is to reduce the weight of the frame, avoid direct contact between the lens and the frame, and reduce the breakage rate of the lens.
[0005] A lightweight composite eyeglass frame, comprising a first lightweight frame body (1), a second lightweight frame body (2) and a third lightweight back plate (3); the first lightweight frame body (1) and the second lightweight frame body (2) are buckled together to form a frame body, and the third lightweight back plate (3) covers a side of the first lightweight frame body (1) away from the second lightweight frame body (2);
[0006] The density of the first lightweight frame (1), the density of the second lightweight frame (2), and the density of the third lightweight backboard (3) are the same or different in pairs; and the density of the first lightweight frame (1), the density of the second lightweight frame (2), and the density of the third lightweight backboard (3) are all less than 3 g / cm 3 .
[0007] According to the above-mentioned lightweight composite frame, the density of the first lightweight frame (1) is greater than the density of the second lightweight frame (2), and the density of the second lightweight frame (2) is less than 1.0 g / cm 3 .
[0008] According to the above-mentioned lightweight composite spectacle frame, an adhesive layer (4) is provided between the first lightweight frame body (1) and the second lightweight frame body (2).
[0009] According to the above-mentioned lightweight composite spectacle frame, the second lightweight frame body (2) comprises a horizontal portion (21) and a vertical portion (22), and the adhesive layer (4) is provided between the first lightweight frame body (1) and the vertical portion (22).
[0010] According to the above-mentioned lightweight composite spectacle frame, the first lightweight frame body (1), the second lightweight frame body (2) and the third lightweight back plate (3) form a lens cavity for placing lenses.
[0011] According to the above-mentioned lightweight composite frame, the third lightweight back plate (3) is supported on the vertical portion (22), and the third lightweight back plate (3) and the vertical portion (22) form a lens cavity for placing the lens.
[0012] According to the above-mentioned lightweight composite frame, the adhesive layer (4) is provided between the inner side of the first lightweight frame (1) and the outer side of the second lightweight frame (2).
[0013] According to the above-mentioned lightweight composite frame, the density of the third lightweight backboard (3) is different from the density of the first lightweight frame (1), and the density of the third lightweight backboard (3) is less than 1.5 g / cm 3 .
[0014] According to the above-mentioned lightweight composite spectacle frame, the second lightweight frame (2) comprises an arched plate (201) and a baffle (202).
[0015] Compared with the prior art, the present invention has the following technical effects:
[0016] Compared with metal frames, the lightweight composite frame provided by the present invention includes a first lightweight frame body, a second lightweight frame body and a third lightweight back plate, and the density is less than 3g / cm 3, In particular, the density of the second lightweight frame (which can be made of PS material) is less than 1.0g / cm 3 This design avoids direct contact between the lens and the metal frame, reducing the risk of lens breakage. PS material's lines are easily machined and shaped, and its sophisticated surface treatment allows for a variety of style combinations. This design not only prevents lens breakage but also allows for a wide variety of frame types and materials.
[0017] Other features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.
[0019] Figure 1 A schematic structural diagram of the first lightweight frame and the third lightweight backboard in an embodiment of the present utility model is shown;
[0020] Figure 2 A schematic structural diagram of the second lightweight frame in Example 1 of the present utility model is shown;
[0021] Figure 3 A schematic structural diagram of the second lightweight frame in Example 2 of the present utility model is shown;
[0022] Figure 4 A schematic structural diagram of the first lightweight frame in Example 3 of the present utility model is shown;
[0023] Figure 5 A schematic diagram of the exploded structure of the lightweight composite frame in Example 2 of the present invention is shown;
[0024] Figure 6 A schematic diagram of the exploded structure of the lightweight composite eyeglass frame in Example 3 of the present invention is shown;
[0025] In the picture:
[0026] 1. First lightweight frame; 2. Second lightweight frame; 3. Third lightweight backboard; 4. Adhesive layer; 21. Horizontal portion; 22. Vertical portion; 201. Arched plate; 202. Baffle. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is in no way intended to limit the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without carrying out creative work are within the scope of protection of the present invention.
[0028] Technologies, methods and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, such technologies, methods and equipment should be considered part of the authorization specification.
[0029] In the description of the present invention, it should be understood that the use of words such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above words have no special meaning and therefore cannot be understood as limiting the scope of protection of the present invention.
[0030] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other. Example 1
[0031] like Figure 1 and 2 A lightweight composite eyeglass frame comprises a first lightweight frame body 1, a second lightweight frame body 2 and a third lightweight back plate 3; the first lightweight frame body 1 and the second lightweight frame body 2 are buckled together to form a frame body, and the third lightweight back plate 3 covers a side of the first lightweight frame body 1 away from the second lightweight frame body 2;
[0032] The density of the first lightweight frame 1, the density of the second lightweight frame 2 and the density of the third lightweight backboard 3 are the same or different; and the density of the first lightweight frame 1, the density of the second lightweight frame (2) and the density of the third lightweight backboard 3 are all less than 3g / cm 3 .
[0033] In this embodiment, the second lightweight frame is made of polystyrene (PS) decorative lines that are heated and bent into an arch shape, and is designed as a PS arch empty frame. The density of the PS arch empty frame is 0.38-0.42 g / cm 3 The low-expansion polystyrene (LSPS) material, a thermoplastic foam, is easily heat-bent, allowing for a variety of design options. It also provides cushioning properties, preventing damage from collisions between lenses and metal frames. The lightweight frame is constructed from lightweight metals, such as aluminum alloy. The aluminum alloy lines are bent into an arched shape using a circular bending machine, creating a hollow metal frame. The hollow metal frame matches the shape of the PS arched frame.
[0034] In a specific embodiment, the density of the first lightweight frame 1 is greater than the density of the second lightweight frame 2, and the density of the second lightweight frame 2 is less than 1.0 g / cm 3 .
[0035] In a specific embodiment, an adhesive layer 4 is provided between the first lightweight frame 1 and the second lightweight frame 2 .
[0036] In a specific embodiment, the second lightweight frame 2 includes an arched plate 201 and a baffle 202; that is, the arched plate and the baffle of the PS arched empty frame are fixed at right angles by using a mortise and tenon structure, right-angle nails, or gluing. Example 2
[0037] Different from Example 1, Figure 1 、 3As shown in FIG5 , the second lightweight frame 2 includes a horizontal portion 21 and a vertical portion 22 , and the adhesive layer 4 is provided between the first lightweight frame 1 and the vertical portion 22 .
[0038] In a specific embodiment, the first lightweight frame 1, the second lightweight frame 2 and the third lightweight back plate 3 form a lens cavity for placing lenses.
[0039] According to the above-mentioned lightweight composite frame, the third lightweight back plate 3 is supported on the vertical portion 22, and the third lightweight back plate 3 and the vertical portion 22 form a lens cavity for placing the lens. Example 3
[0040] Different from Example 1, Figure 1 、 4 As shown in FIG6 , the adhesive layer 4 is provided between the inner side of the first lightweight frame 1 and the outer side of the second lightweight frame ( 2 ).
[0041] In a specific embodiment, the density of the third lightweight backboard 3 is different from the density of the first lightweight frame 1, and the density of the third lightweight backboard 3 is less than 1.5 g / cm 3 For example, the third lightweight backboard can be made of plastic boards such as PE, PC, and PS, without limitation, as long as the density meets the requirements.
[0042] The above description is only an exemplary embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A lightweight composite frame, characterized in that: The spectacle frame comprises a first lightweight frame (1), a second lightweight frame (2) and a third lightweight back plate (3); the first lightweight frame (1) and the second lightweight frame (2) are buckled together to form a frame body, and the third lightweight back plate (3) covers a side of the first lightweight frame (1) away from the second lightweight frame (2); The density of the first lightweight frame (1), the density of the second lightweight frame (2), and the density of the third lightweight backboard (3) are the same or different in pairs; and the density of the first lightweight frame (1), the density of the second lightweight frame (2), and the density of the third lightweight backboard (3) are all less than 3 g / cm 3 .
2. A lightweight composite eyeglass frame according to claim 1, characterized in that: The density of the first lightweight frame (1) is greater than the density of the second lightweight frame (2), and the density of the second lightweight frame (2) is less than 1.0 g / cm 3 .
3. The lightweight composite eyeglass frame according to claim 1, characterized in that: An adhesive layer (4) is provided between the first lightweight frame (1) and the second lightweight frame (2).
4. A lightweight composite eyeglass frame according to claim 3, characterized in that: The second lightweight frame (2) comprises a horizontal portion (21) and a vertical portion (22), and the adhesive layer (4) is provided between the first lightweight frame (1) and the vertical portion (22).
5. The lightweight composite eyeglass frame according to claim 1, characterized in that: The first lightweight frame (1), the second lightweight frame (2) and the third lightweight back plate (3) form a lens cavity for placing a lens.
6. The lightweight composite eyeglass frame according to claim 4, characterized in that: The third lightweight backboard (3) is supported on the vertical portion (22), and the third lightweight backboard (3) and the vertical portion (22) form a lens cavity for placing a lens.
7. The lightweight composite eyeglass frame according to claim 3, characterized in that: The adhesive layer (4) is provided between the inner side of the first lightweight frame (1) and the outer side of the second lightweight frame (2).
8. The lightweight composite eyeglass frame according to claim 1, characterized in that: The density of the third lightweight backboard (3) is different from the density of the first lightweight frame (1), and the density of the third lightweight backboard (3) is less than 1.5 g / cm 3 .
9. The lightweight composite eyeglass frame according to claim 7, characterized in that: The second lightweight frame (2) comprises an arched plate (201) and a baffle (202).