Hinge of the hinge type and eyeglasses

Abstract

This application relates to a hinge-type hinge and eyeglasses, including a mounting shaft, a mounting bracket, a bushing, and an elastic element. The mounting bracket includes a connecting portion, a stop portion fixed to the connecting portion and fitted onto the mounting shaft, and a snap-fit ​​portion fixed to the connecting portion and fitted onto the mounting shaft at a distance from the stop portion. The snap-fit ​​portion has a first circumferentially extending toothed area on the side facing the stop portion. The connecting portion is used to connect one of the eyeglass frame and the nose pad. The bushing is fitted onto the mounting shaft and positioned between the stop portion and the snap-fit ​​portion. The bushing has a second circumferentially extending toothed area that engages with the first toothed area. The bushing is used to connect the other of the eyeglass frame and the nose pad. The elastic element is positioned between the stop portion and the bushing, with both ends abutting against the stop portion and the bushing respectively to engage the first and second toothed areas. When this hinge-type hinge is installed on eyeglasses, it achieves the requirement of adjustable nose pads while having minimal impact on the quality of the eyeglasses, significantly improving user satisfaction with the wearing experience.

Description

Technical Field

[0001] This utility model relates to the field of eyeglasses technology, and in particular to a hinge-type hinge and eyeglasses. Background Technology

[0002] In the eyewear industry, nose pads are an essential accessory for both product shipping and user use. Due to variations in nose bridge height across different regions and populations, eyeglasses are typically designed with multiple frame and nose pad specifications to accommodate different nose bridge heights. Because of the nature of eyeglasses, different sized nose pads or frames must be matched to the corresponding individual's nose bridge, significantly increasing the difficulty of designing and standardizing materials.

[0003] Currently, integrated nose pad solutions for eyeglasses typically offer frames or nose pad designs in various sizes to match different user needs. This fails to provide a single nose pad that adapts to different body shapes and functional requirements, increasing the difficulty of eyeglass R&D and material standardization. This not only leads to higher costs and a poor user experience but also contradicts environmental protection principles. Existing adjustable nose pad solutions are relatively large, placing certain requirements on the size of the frame and nose pads, significantly increasing the overall weight of the eyeglasses and impacting the user experience. Utility Model Content

[0004] Given the significant size and weight limitations of existing adjustable nose pad solutions, it is necessary to provide a hinge-type hinge and eyeglasses.

[0005] This application provides a hinge-type hinge for connecting a glasses frame and a nose pad, comprising:

[0006] Mounting shaft; mounting bracket, including a connecting portion, a stop portion fixed to the connecting portion and fitted onto the mounting shaft, and a snap-fit ​​portion fixed to the connecting portion and fitted onto the mounting shaft at a distance from the stop portion, the snap-fit ​​portion having a first toothed area extending circumferentially on one side facing the stop portion, the connecting portion being used to connect one of the eyeglass frame and the nose pad; a bushing, fitted onto the mounting shaft and placed between the stop portion and the snap-fit ​​portion, the bushing having a second toothed area extending circumferentially and engaging with the first toothed area, the bushing being used to connect the other of the eyeglass frame and the nose pad; and an elastic member, placed between the stop portion and the bushing, the two ends of the elastic member abutting against the stop portion and the bushing respectively to engage the first toothed area and the second toothed area.

[0007] With this configuration, under the support of the elastic element, the first and second meshing areas can engage to limit the relative position between the bushing and the locking part, thus achieving the stop of the hinge-type hinge. Furthermore, when switching positions, the bushing needs to overcome the resistance of the elastic element to disengage from the locking part when rotating circumferentially, thereby achieving the "damping feeling" when the user rotates the nose pad.

[0008] In one embodiment, to prevent the mounting bracket from easily slipping off the mounting shaft, the mounting shaft includes a shaft body and a first anti-slip body and a second anti-slip body spaced apart on the shaft body, with the mounting bracket located between the first anti-slip body and the second anti-slip body.

[0009] In one embodiment, in order to further improve the stability of the overall structure of the hinge, the first anti-slip body abuts against the side of the stop portion away from the locking portion, and the second anti-slip body abuts against the side of the locking portion away from the stop portion.

[0010] In one embodiment, to facilitate the use of external nose pads or eyeglass frames, the bushing includes a cylindrical body fitted onto the mounting shaft and providing the second meshing area, and a connector fixed to the outer periphery of the cylindrical body, the connector being used to connect the eyeglass frame or nose pad.

[0011] In one embodiment, the elastic element is fitted onto the mounting shaft for ease of assembly.

[0012] In one embodiment, in order to ensure a tight fit between the snap-fit ​​part and the bushing and to prevent easy loosening, the snap-fit ​​part has a first abutting surface facing the bushing, and the bushing has a second abutting surface facing the snap-fit ​​part. When the first toothed area engages with the second toothed area, the first abutting surface is in contact with the second abutting surface.

[0013] In one embodiment, the snap-fit ​​portion has a first recessed groove located in the first toothed area, the teeth in the first toothed area are fixed to the bottom of the first recessed groove, the axial height of the teeth in the first toothed area is less than or equal to the axial depth of the first recessed groove, the number of teeth in the first toothed area is greater than the number of teeth in the second toothed area, and the tooth pitch of the first toothed area is the same as the tooth pitch of the second toothed area.

[0014] In one embodiment, the bushing has a second recessed groove located in the second tooth region, the teeth in the second tooth region are fixed to the bottom of the second recessed groove, the axial height of the teeth in the second tooth region is less than or equal to the axial depth of the second recessed groove, the number of teeth in the second tooth region is greater than the number of teeth in the first tooth region, and the tooth pitch of the first tooth region is the same as the tooth pitch of the second tooth region.

[0015] In summary, this application provides a hinge-type hinge for connecting eyeglass frames and nose pads. Since the elastic element is located between the stop and the bushing, the first and second toothed areas used to achieve the adjustment do not need to have elasticity. Therefore, the size of the bushing providing the first toothed area and the mounting bracket providing the second toothed area can be reduced, and the material requirements are lowered. Consequently, the bushing and mounting bracket can be made of materials with higher hardness and lighter weight. Thus, when this hinge-type hinge is installed on eyeglasses, it achieves the requirement for adjustable nose pads while having minimal impact on the overall weight of the eyeglasses, thereby significantly improving user satisfaction. Furthermore, the hinge-type hinge provided by this application has a balanced force on the mounting shaft during rotation, resulting in minimal deformation during prolonged use. This prevents significant misalignment of the nose pads at different positions, improving positioning accuracy and user comfort.

[0016] This application also provides eyeglasses, including: a hinge as described above; a frame connected to one of a mounting bracket and a bushing of the hinge; and a nose pad connected to the other of the mounting bracket or bushing of the hinge.

[0017] In one embodiment, in order to ensure that the nose pad rotates smoothly relative to the frame, a reserved gap is provided between the nose pad and the frame, the reserved gap being greater than or equal to 0.3 mm.

[0018] In one embodiment, the eyeglass frame has a first mounting groove, the nose pad has a receiving groove and a second mounting groove recessed from the bottom of the receiving groove, the connecting part of the mounting bracket of the hinge type is inserted into the second mounting groove, the connecting body of the bushing of the hinge type is inserted into the first mounting groove, and the mounting shaft of the hinge type is accommodated in the receiving groove.

[0019] In summary, the glasses provided in this application connect the nose pads and the frame via a hinge-type hinge. By using a slotted design, the distance between the nose pads and the frame can be reduced while installing the hinge-type hinge, avoiding a large gap between the nose pads and the frame after assembly. Overall, the glasses look almost identical to those without the hinge-type hinge. This design achieves adjustable nose pads while also meeting aesthetic requirements, thus improving the user's wearing experience. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of a hinge-type hinge in one embodiment provided in this application.

[0021] Figure 2 for Figure 1 An exploded view of the hinge-type hinge shown.

[0022] Figure 3 for Figure 2 A schematic diagram of the structure of the mounting bracket;

[0023] Figure 4 for Figure 2 Schematic diagram of the central bushing;

[0024] Figure 5 This application provides a schematic diagram of the structure of eyeglasses in one embodiment.

[0025] Figure 6 for Figure 5 The glasses shown are in a cross-sectional view along the AA direction;

[0026] Figure 7 for Figure 6 A magnified view of the structure shown at point X;

[0027] Figure 8 for Figure 5 The diagram shown is a structural schematic of the glasses in the second position.

[0028] Figure 9 for Figure 5 The diagram shows the structure of the glasses in the third position.

[0029] Figure label:

[0030] 10. Mounting shaft; 11. Shaft body; 12. First anti-slip body; 13. Second anti-slip body;

[0031] 20. Mounting bracket; 21. Connecting part; 22. Snap-fit ​​part; 2201. First meshing tooth area; 2202. First abutting surface; 23. Stop part;

[0032] 30. Bushing; 301. Second meshing area; 302. Second abutment surface; 31. Cylinder body; 32. Connecting body;

[0033] 40. Elastic components;

[0034] 50. Frame; 501. First assembly slot;

[0035] 60. Nose pad; 601. Second assembly slot; 602. Receiving slot. Detailed Implementation

[0036] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0037] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0038] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0039] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0040] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0041] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0042] In the eyewear industry, nose pads are an essential accessory for both product shipping and user use. Due to variations in nose bridge height across different regions and populations, eyeglasses are typically designed with multiple frame and nose pad specifications to accommodate different nose bridge heights. Because of the nature of eyeglasses, different sized nose pads or frames must be matched to the corresponding individual's nose bridge, significantly increasing the difficulty of designing and standardizing materials.

[0043] Currently, integrated nose pad solutions for eyeglasses are generally available in various sizes, including frames and nose pads, to match different user needs. This makes it impossible to adapt the same nose pad to different body shapes and functional requirements, increasing the difficulty of eyeglass research and development and material standardization. Not only is it more expensive and the user experience is poor, but it also goes against environmental protection requirements.

[0044] In one existing adjustable nose pad solution, a pair of elastic claw mechanisms arranged symmetrically at the center engage with a toothed disc to achieve "damping sensation" during multi-position adjustment and position switching of the nose pads. However, in order to ensure the elasticity and service life of the claw mechanism, the claw mechanism has certain requirements on size and material. This results in the claw mechanism and toothed disc combination structure having a large mass and size, which not only affects the user's usability but also makes it impossible to install the combination structure when the frame and nose pad size are small.

[0045] Therefore, it is necessary to provide a hinge-type hinge and eyeglasses that are lightweight, small in size, and require less adaptation and improvement to the frame and nose pads, so as to facilitate the standardization of eyeglass materials.

[0046] Please see Figure 1 , Figure 1This is a schematic diagram of a hinge-type hinge provided in one embodiment of this application. The hinge-type hinge includes a mounting shaft 10, a mounting bracket 20 and a bushing 30 fitted onto the mounting shaft 10, and an elastic member 40 positioned between a stop portion 23 and the bushing 30. The mounting bracket 20 consists of a connecting portion 21 and a stop portion 23 and a locking portion 22 fixedly disposed at intervals on the connecting portion 21. The stop portion 23 and the locking portion 22 are respectively fitted onto the mounting shaft 10. The locking portion 22 has a first toothed area 2201 extending circumferentially on the side facing the stop portion 23. The bushing 30 is fitted onto the mounting shaft 10 and positioned between the stop portion 23 and the locking portion 22. The bushing 30 has a second toothed area 301 extending circumferentially and engaging with the first toothed area 2201. The two ends of the elastic member 40 abut against the stop portion 23 and the bushing 30 respectively to engage the first toothed area 2201 and the second toothed area 301. In actual use, due to the pressing action of the elastic element 40 on the bushing 30, a compressive force is generated between the first meshing area 2201 and the second meshing area 301. When the bushing 30 and the mounting bracket 20 tend to rotate relative to each other due to external force, this compressive force must be overcome before the bushing 30 and the snap-fit ​​part 22 can be disengaged, thus forming a damping that hinders rotation. In this hinge-type hinge, the connecting part 21 on the bushing 30 and the mounting bracket 20 is used to connect the eyeglass frame 50 and the nose pad 60.

[0047] Based on the above structure, the hinge type provided in this application has the following advantages:

[0048] First, the teeth in the first meshing area 2201 and the teeth in the second meshing area 301 only need to perform the meshing function. The squeezing action between the bushing 30 and the snap-fit ​​part 22 is borne by the elastic element 40. Therefore, the rigidity and hardness of the teeth in the first meshing area 2201 and the teeth in the second meshing area 301 can be improved. That is, using hard materials that are not easily deformed is beneficial to reducing the risk of wear and damage, thereby increasing the service life.

[0049] Secondly, the damping effect can be achieved with only smaller meshing teeth, so the size of the bushing 30 and the mounting bracket 20 can also be reduced accordingly. This reduces the overall mass of the hinge-type hinge, so that it will not significantly increase the weight of the glasses when used in eyeglasses, which is beneficial to improving the user's wearing experience.

[0050] Finally, the power source for this damping is the elastic element 40, which makes it convenient to adjust the damping magnitude by replacing the elastic element 40 with different elastic moduli, without having to replace different models of bushings 30 or mounting brackets 20. This is beneficial for achieving standardized management of eyeglass materials.

[0051] Furthermore, in actual use, when the external force used for adjustment acts on the mounting bracket 20, it transmits the force to the mounting shaft 10 through two paths: the stop part 23 and the snap-fit ​​part 22, which helps to maintain the force balance of the entire hinge type hinge.

[0052] like Figure 1 and Figure 2 As shown, specifically, the bushing 30 includes a cylindrical body 31 fitted onto the mounting shaft 10 and providing a second toothed area 301, and a connecting body 32 fixed to the outer periphery of the cylindrical body 31. The connecting body 32 is used to connect the eyeglass frame 50 or the nose pad 60. This forms a hinge structure. Because the connecting body 32 and the connecting part 21 are located outside the mounting shaft 10, and thus away from the elastic element 40 and the two toothed areas, when assembling with the eyeglass frame 50 and the nose pad 60, especially when glue fixation is required, glue can be prevented from entering the first toothed area 2201, the second toothed area 301, and the elastic element 40 as much as possible, ensuring the normal use of the hinge-type hinge.

[0053] like Figure 1 As shown, to ensure that the mounting bracket 20 and the bushing 30 do not easily detach from the mounting shaft 10, the mounting shaft 10 includes a shaft body 11 and a first anti-slip body 12 and a second anti-slip body 13 spaced apart on the shaft body 11. The mounting bracket 20 is located between the first anti-slip body 12 and the second anti-slip body 13. Furthermore, to prevent the mounting bracket 20 from sliding on the mounting shaft 10, the first anti-slip body 12 abuts against the side of the stop portion 23 opposite to the locking portion 22, and the second anti-slip body 13 abuts against the side of the locking portion 22 opposite to the stop portion 23. The second anti-slip body 13 on the mounting shaft 10 can be a shaft core flange structure protruding from the shaft body 11. It is understood that in other embodiments, the second anti-slip body 13 can also be detachably mounted on the shaft body 11. Optionally, the shaft body 11 has a slot, and the second anti-slip body 13 is a retaining spring that engages in the slot.

[0054] like Figure 1 As shown, the elastic element 40 is fitted onto the mounting shaft 10 for easy assembly. Optionally, the elastic element 40 can be made of SUS420 elastic gasket to reduce the cost of redesign.

[0055] like Figure 1 , Figure 2 and Figure 3 As shown, the snap-fit ​​portion 22 has a first abutting surface 2202 facing the bushing 30, and the bushing 30 has a second abutting surface 302 facing the snap-fit ​​portion 22. When the first meshing area 2201 engages with the second meshing area 301, the first abutting surface 2202 is in contact with the second abutting surface 302. The contact of the two abutting surfaces further increases the tightness of the fit between the bushing 30 and the snap-fit ​​portion 22, reducing loosening and shaking.

[0056] like Figure 2 and Figure 3 As shown, the bushing 30 has a second recessed groove located in the second toothed area 301. The teeth of the second toothed area 301 are fixed to the bottom of the second recessed groove. The axial height H of the teeth in the second toothed area 301 is less than or equal to the axial depth D of the second recessed groove. The number of teeth in the second toothed area 301 is greater than the number of teeth in the first toothed area 2201, and the tooth pitch of the first toothed area 2201 is the same as the tooth pitch of the second toothed area 301. The circumferential length range of the second recessed groove, i.e., the total range of damped adjustment between the bushing 30 and the snap-fit ​​part 22, allows for adjustment beyond this range. When this adjustment range is exceeded, the relative rotation between the bushing 30 and the snap-fit ​​part 22 will not be affected by damping. The user can use this difference to determine whether the nose pad 60 is adjusted out of range. This range limitation also facilitates the determination of whether the positions of the two nose pads 60 are adjusted to be consistent. Furthermore, to facilitate informing the user that the hinge has reached the boundary of the adjustment range, the axial height H of the teeth in the second recess is less than the axial depth D of the second recess. As a result, the damping of the bushing 30 and the locking part 22 at the boundary of the adjustment range is greater, and the teeth of the second tooth area 301 are less likely to rotate out of the second recess when they reach the boundary of the second recess. This reduces the wear and scratches on the second contact surface 302 of the bushing 30 by the teeth of the second tooth area 301, thereby helping to extend the service life of the hinge.

[0057] Specifically, in this embodiment provided in this application, such as Figure 2 As shown, the first meshing area 2201 has three protruding meshing teeth, such as... Figure 3 As shown, the second gear region 301 includes four teeth located in the second sinking groove. The distance between the outermost tooth and the sidewall of the second sinking groove is the same as the tooth pitch, thus forming three gear positions. It can be understood that the stroke of each gear position can be adjusted by adjusting the gear ratio of the first gear region 2201 and the second gear region 301.

[0058] Optionally, in other embodiments of this application, the snap-fit ​​portion 22 has a first recessed groove located in the first toothed area 2201. The teeth of the first toothed area 2201 are fixed to the bottom of the first recessed groove. The axial height of the teeth of the first toothed area 2201 is less than or equal to the axial depth of the first recessed groove. The number of teeth in the first toothed area 2201 is greater than the number of teeth in the second toothed area 301, and the tooth pitch of the first toothed area 2201 is the same as the tooth pitch of the second toothed area 301. This can also achieve the effect of prompting the user to adjust the range boundary.

[0059] Optionally, in one embodiment of this application, the bushing 30 has a protruding positioning block on the side opposite to the snap-fit ​​portion 22, and the elastic element 40 has a positioning groove that engages with the positioning block. Multiple sets of positioning blocks and positioning grooves can be used to improve the positioning effect, reduce wobbling, and ensure the structural stability of the hinge-type hinge.

[0060] According to another aspect of this application, such as Figure 4 , Figure 5 , Figure 7 , Figure 8 and Figure 9 As shown, this application also provides eyeglasses, including a frame 50, a nose pad 60, and the aforementioned hinge-type hinge. The frame 50 is connected to one of the mounting bracket 20 and the bushing 30 of the hinge-type hinge, and the nose pad 60 is connected to the other of the mounting bracket 20 or the bushing 30 of the hinge-type hinge. The nose pad 60 has multiple adjustment positions relative to the frame 50 to adapt to different shapes of nose bridges.

[0061] Optionally, in one embodiment provided in this application, a reserved gap i is provided between the nose pad 60 and the frame 50, the reserved gap i being greater than or equal to 0.3 mm, the reserved gap being used to ensure that the nose pad 60 is not blocked by the frame 50 during rotation adjustment.

[0062] Optional, such as Figure 6 As shown, in one embodiment provided in this application, the frame 50 has a first mounting groove 501, the nose pad 60 has a receiving groove 602 and a second mounting groove 601 that sinks from the bottom of the receiving groove 602, the connecting part 21 of the hinge mounting bracket 20 is inserted into the second mounting groove 601, the connecting body 32 of the hinge bushing 30 is inserted into the first mounting groove 501, and the mounting shaft 10 of the hinge is accommodated in the receiving groove 602. By creating grooves, the distance between the nose pad 60 and the frame 50 can be shortened while installing the hinge, avoiding a large gap between the nose pad 60 and the frame 50 after assembly. Overall, it looks almost the same as when the hinge is not installed. It achieves adjustable nose pads 60 while also meeting aesthetic requirements, improving the user's wearing experience. It is worth noting that the receiving groove 602 is only used to make way for the related structures of the hinge type hinge at the axis (mounting shaft 10, stop part 23 and snap part 22 of mounting bracket 20, elastic element 40), so the requirement for grooving accuracy is low.

[0063] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0064] The above embodiments only illustrate several implementation methods of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A hinge-type hinge for connecting a glasses frame and a nose pad, characterized in that, include: Mounting shaft; The mounting bracket includes a connecting part, a stop part fixed to the connecting part and fitted onto the mounting shaft, and a snap-fit ​​part fixed to the connecting part and fitted onto the mounting shaft at a distance from the stop part. The snap-fit ​​part has a first toothed area extending circumferentially on the side facing the stop part. The connecting part is used to connect one of the eyeglass frame and the nose pad. A bushing, fitted onto the mounting shaft and positioned between the stop portion and the snap-fit ​​portion, the bushing having a second toothed area extending circumferentially and engaging with the first toothed area, the bushing being used to connect the eyeglass frame and the nose pad; as well as An elastic element is placed between the stop portion and the bushing, with its two ends abutting against the stop portion and the bushing respectively to engage the first meshing area and the second meshing area.

2. The hinge type according to claim 1, characterized in that, The mounting shaft includes a shaft body and a first anti-slip body and a second anti-slip body spaced apart on the shaft body, and the mounting bracket is located between the first anti-slip body and the second anti-slip body.

3. The hinge type according to claim 2, characterized in that, The first anti-slip body abuts against the side of the stop portion away from the locking portion, and the second anti-slip body abuts against the side of the locking portion away from the stop portion.

4. The hinge type according to claim 1, characterized in that, The bushing includes a cylindrical body fitted onto the mounting shaft and providing the second meshing area, and a connecting body fixed to the outer periphery of the cylindrical body, the connecting body being used to connect the eyeglass frame or nose pad.

5. The hinge type according to any one of claims 1 to 4, characterized in that, The elastic element is sleeved on the mounting shaft.

6. The hinge type according to any one of claims 1 to 4, characterized in that, The snap-fit ​​portion has a first abutting surface facing the bushing, and the bushing has a second abutting surface facing the snap-fit ​​portion. When the first toothed area engages with the second toothed area, the first abutting surface is in contact with the second abutting surface.

7. The hinge type according to any one of claims 1 to 4, characterized in that, The engaging portion has a first recessed groove located in the first toothed area. The teeth in the first toothed area are fixed to the bottom of the first recessed groove. The axial height of the teeth in the first toothed area is less than or equal to the axial depth of the first recessed groove. The number of teeth in the first toothed area is greater than the number of teeth in the second toothed area, and the tooth pitch of the first toothed area is the same as the tooth pitch of the second toothed area. The bushing has a second sinking groove located in the second tooth area. The teeth in the second tooth area are fixed to the bottom of the second sinking groove. The axial height of the teeth in the second tooth area is less than or equal to the axial depth of the second sinking groove. The number of teeth in the second tooth area is greater than the number of teeth in the first tooth area, and the tooth pitch of the first tooth area is the same as the tooth pitch of the second tooth area.

8. A pair of eyeglasses, characterized in that, include: The hinge type as described in any one of claims 1 to 7; The frame is connected to one of the mounting bracket and the bushing of the hinge-type hinge; The nose pad is connected to another of the mounting brackets or bushings of the hinge-type hinge.

9. The eyeglasses according to claim 8, characterized in that, A reserved gap is provided between the nose pad and the frame, and the reserved gap is greater than or equal to 0.3mm.

10. The eyeglasses according to claim 8, characterized in that, The eyeglass frame has a first mounting groove, the nose pad has a receiving groove and a second mounting groove that sinks from the bottom of the receiving groove, the connecting part of the mounting bracket of the hinge type is inserted into the second mounting groove, the connecting body of the bushing of the hinge type is inserted into the first mounting groove, and the mounting shaft of the hinge type is accommodated in the receiving groove.

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