CN218938685U

CN218938685U - Mechanical elastic structure glasses without metal spring core and metal screw

Info

Publication number: CN218938685U
Application number: CN202223378983.1U
Authority: CN
Inventors: 方凯; 姚茂长
Original assignee: Wenzhou Aikaipo Technology Co ltd
Current assignee: Wenzhou Aikaipo Technology Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-04-28
Anticipated expiration: 2032-12-16

Abstract

The utility model relates to the technical field of elastic structures of glasses, in particular to a pair of glasses with a mechanical elastic structure, which is free of a metal spring core and a metal screw. The mechanical elastic structure glasses without the metal spring core and the metal screws do not contain metal springs and metal screws, namely do not contain any metal fittings, the hinge elastic function is realized through the plastic mechanical structure, consumers with metal allergic skin can wear the glasses safely and assuredly, the risk of the metal fittings on human skin allergy is avoided while the existing metal spring elastic function is realized, and the problem of falling of the metal screws is also avoided. And moreover, the structure is simple, and the production efficiency is improved.

Description

Mechanical elastic structure glasses without metal spring core and metal screw

Technical Field

The utility model relates to the technical field of elastic structures of glasses, in particular to a pair of mechanical elastic structure glasses without a metal spring core and a metal screw.

Background

Glasses are articles that are composed of two parts, a lens and a frame, to improve vision, to protect eyes, or for decorative purposes. The glasses can correct various vision problems such as myopia, hyperopia, astigmatism, presbyopia, strabismus or amblyopia.

The glasses include myopia glasses, hyperopia glasses, presbyopic glasses, astigmatism glasses, plano glasses, computer goggles, swimming goggles, night goggles, electronic contest goggles, sunglasses, toy glasses, sunglasses and the like. There are also special glasses for viewing 3D stereoscopic images or virtual real images. Other types of eyewear include goggles, sunglasses, swimming goggles, etc. that provide various protection to the eyes. Modern glasses are usually provided with a nose pad in the middle of the lens and soft pads at the positions where the left and right arms rest on ears. And the injection molding glasses, the whole structure of the glasses is plastic, and only the hinge joint of the glasses frame and the glasses legs is made of partial metal materials.

At present, the hinge structure of all injection molding glasses has no two basic structures: firstly, the metal spring core is added with the metal screw to form, the metal spring core and the metal screw of the structure are necessary to form, the screw has the defect of easy falling, and in addition, the metal fittings also have the risk of skin allergy of people. Secondly, the screw-free structure of the simple plastic tooth does not have metal fittings and also loses the elastic function of the spring movement. Therefore, the glasses can be designed to avoid skin allergy caused by metal fittings and also can have the elastic function of the spring movement.

Disclosure of Invention

The utility model mainly aims to overcome the defects in the prior art and provides a pair of mechanical elastic structure glasses without a metal spring core and a metal screw. The glasses can realize the elastic function of the existing metal springs, avoid the risk of allergy of metal fittings to human skin and avoid the problem of falling of metal screws.

The technical scheme adopted by the utility model for realizing the technical purpose is as follows: the mechanical elastic structure glasses without the metal spring core and the metal screws comprise a glasses frame, glasses legs and a fixed rotating shaft, wherein two ends of the glasses frame are fixedly provided with double teeth, the front ends of the glasses legs are fixedly provided with three teeth, the double teeth on the glasses frame are matched with the three teeth at the front ends of the glasses legs, and the fixed rotating shaft penetrates through the double teeth and the three teeth.

Preferably, the double teeth of the mirror frame are matched with the three teeth at the front end of the mirror foot, and the double teeth on the mirror frame are provided with fixing holes which are matched with the fixing rotating shafts in the vertical direction, and the fixing holes are used for connecting the fixing rotating shafts.

Preferably, three teeth at the front end of the glasses leg are matched with the double teeth of the glasses frame, and a rotating hole matched with the fixed rotating shaft is formed in the vertical direction of the three teeth at the front end of the glasses leg and is used for connecting the fixed rotating shaft.

Preferably, openings are formed at one ends of the upper tooth rotating holes and the lower tooth rotating holes of the three teeth at the front end of the glasses leg, and elastic structure holes are formed at the other ends of the rotating holes.

The upper and lower tooth openings at the front end of the mirror foot rotating hole and the elastic structure holes at the rear end of the mirror foot rotating hole are used for realizing the elastic function of the mirror foot in the opening and closing process; the front ends of the middle teeth of the three teeth at the front ends of the mirror legs are not opened, and the whole circle surrounds the fixed rotating shaft so as to fix the mirror frame and the mirror legs to be stably connected under the fixing action of the fixed rotating shaft.

Preferably, both ends of the fixed rotating shaft are square, and chamfer angles are arranged at four corners, so that the fixed rotating shaft and the corresponding positions of the double teeth of the glasses frame are matched precisely and are not loosened, and the middle section of the fixed rotating shaft is cylindrical.

Preferably, a groove is formed in a position, corresponding to the middle section of the fixed rotating shaft, of the middle tooth of the three teeth at the front end of the mirror foot, and the groove is in a cylindrical shape so as to ensure that the mirror foot is smooth and does not block in the rotating process.

Compared with the prior art, the utility model has the beneficial effects that: the mechanical elastic structure glasses without the metal spring core and the metal screws do not contain metal springs and metal screws, namely do not contain any metal fittings, the hinge elastic function is realized through the plastic mechanical structure, consumers with metal allergic skin can wear the glasses safely and assuredly, the risk of the metal fittings on human skin allergy is avoided while the existing metal spring elastic function is realized, and the problem of falling of the metal screws is also avoided. And moreover, the structure is simple, and the production efficiency is improved.

Drawings

Fig. 1 is a schematic perspective view of the front placement of the glasses.

Fig. 2 is a schematic perspective view of the back side of the glasses.

Fig. 3 is a schematic top view of the glasses.

Fig. 4 is a schematic top view of the glasses in a state of being opened 180 degrees.

Wherein:

1-a mirror frame; 101-double teeth; 2-a lens leg; 201-tridentate; 3-fixing the rotating shaft; 4-slotting; 5-elastic structure holes; 6-rotating the hole.

Detailed Description

The present utility model will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

In the description of the present utility model, it will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present utility model, it should be noted that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships in which the inventive product is conventionally placed in use, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The meaning of "a number" is one or more than one unless specifically defined otherwise.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

as shown in fig. 1-4, a pair of mechanical elastic structure glasses without a metal spring core and a metal screw consists of a glasses frame 1, glasses legs 2 and a fixed rotating shaft 3, wherein two ends of the glasses frame 1 are fixedly provided with double teeth 101, the front ends of the glasses legs 2 are fixedly provided with three teeth 201, the double teeth 101 on the glasses frame 1 are matched with the three teeth 201 at the front ends of the glasses legs 2, and the fixed rotating shaft 3 penetrates through the double teeth 101 and the three teeth 201. The mechanical elastic structure consists of three parts, namely a double tooth 101 on the mirror frame 1, a three-tooth 201 at the front end of the mirror leg 2 and a fixed rotating shaft 3 penetrating through the double tooth 101 on the mirror frame 1 and the three-tooth 201 at the front end of the mirror leg 2.

Further, the double teeth 101 of the lens frame 1 are engaged with the three teeth 201 at the front end of the lens leg 2, and fixing holes which are engaged with the fixing rotating shaft 3 are formed in the double teeth 101 of the lens frame 1 in the vertical direction, and the fixing holes are used for connecting part of two ends of the fixing rotating shaft 3.

The three teeth 201 at the front end of the glasses leg 2 are matched with the double teeth 101 of the glasses frame 1, the three teeth 201 at the front end of the glasses leg 2 are provided with rotating holes 6 matched with the fixed rotating shaft 3 in the vertical direction, and the rotating holes 6 are used for connecting the other parts of the two ends of the fixed rotating shaft 3.

Further, both ends of the fixed rotating shaft 3 are square, and the four corners are provided with chamfers, so that the fixed rotating shaft 3 and the double teeth 101 of the mirror frame 1 are matched with each other precisely and are not loosened, and the middle section of the fixed rotating shaft 3 is cylindrical.

The middle teeth of the front three teeth 201 of the mirror foot 2 are provided with grooves at positions corresponding to the middle section of the fixed rotating shaft 3, the grooves are in cylindrical shapes so as to ensure that the mirror foot 2 is smooth and not blocked in the rotating process, and meanwhile, the fixed rotating shaft 3 can be conveniently blocked by the grooves in cylindrical shapes.

Further, openings 4 are formed at one ends of the upper tooth rotation holes 6 and the lower tooth rotation holes 6 of the three teeth 201 at the front end of the temple 2, and elastic structure holes 5 are formed at the other ends of the rotation holes 6. The upper and lower tooth openings 4 at the front ends of the rotating holes 6 of the mirror feet 2 and the elastic structure holes 5 at the rear ends of the rotating holes 6 of the mirror feet 2 realize the elastic function of the mirror feet 2 in the opening and closing process; the front end of the middle tooth of the three teeth 201 at the front end of the mirror leg 2 is not opened, and the whole circle surrounds the fixed rotating shaft 3 so as to fix the mirror frame 1 and the mirror leg 2 to be stably connected under the fixing action of the fixed rotating shaft 3.

The working principle of the mechanical elastic structure glasses without the metal spring core and the metal screw and the specific use flow are as follows: in the rotation process of the mirror foot 2, the elastic function of the mirror foot 2 in the opening and closing and seed passing process is realized by utilizing the difference between the opposite angle distance of the square fixed rotating shaft 3 and the square distance of the square fixed rotating shaft 3 and the elasticity of the material of the plastic mirror foot 2. Under the principle, the glasses can realize the following two opening modes:

firstly, the mirror feet can be completely opened to 180 degrees, and the mirror feet can be folded by external force;

secondly, the mirror feet are opened for 90+45 degrees, and can naturally return to the position vertical to the mirror frame.

It should be noted that, although the foregoing embodiments have been described herein, the scope of the present utility model is not limited thereby. Therefore, based on the innovative concepts of the present utility model, alterations and modifications to the embodiments described herein, or equivalent structures, equivalent flows or equivalent functional transformations made by the present description and drawings, apply the above technical solutions directly or indirectly to other relevant technical fields, all of which are included in the scope of protection of the present patent.

Claims

1. The utility model provides a no metal spring core, no mechanical elastic structure glasses of metal screw, comprises picture frame (1), mirror foot (2) and fixed pivot (3), its characterized in that: the two ends of the mirror frame (1) are fixedly provided with double teeth (101), the front ends of the mirror legs (2) are fixedly provided with three teeth (201), the double teeth (101) on the mirror frame (1) are matched with the three teeth (201) at the front ends of the mirror legs (2), and the fixed rotating shaft (3) penetrates through the double teeth (101) and the three teeth (201).

2. The mechanically elastic structure glasses without metal spring core and metal screw according to claim 1, wherein: the double teeth (101) on the mirror frame (1) are provided with fixing holes which are matched with the fixing rotating shaft (3) in the vertical direction.

3. The mechanically elastic structure glasses without metal spring core and metal screw according to claim 1, wherein: the three teeth (201) at the front end of the mirror foot (2) are provided with rotating holes (6) which are matched with the fixed rotating shaft (3) in the vertical direction.

4. The mechanically elastic structure glasses without metal spring core and metal screw according to claim 1, wherein: openings (4) are formed in one ends of upper tooth rotating holes (6) and lower tooth rotating holes (201) of the front end of the mirror foot (2), and elastic structure holes (5) are formed in the other ends of the rotating holes (6).

5. The mechanically elastic structure glasses without metal spring core and metal screw according to claim 1, wherein: two ends of the fixed rotating shaft (3) are square, chamfer angles are arranged at four corners, and the middle section of the fixed rotating shaft (3) is cylindrical;

the middle teeth of the front three teeth (201) of the mirror foot (2) and the middle section of the fixed rotating shaft (3) are provided with grooves at corresponding positions, and the grooves are in cylindrical shapes.