Anti-loosening fastening structure and spectacle frame

Abstract

The utility model relates to the technical field of fastening parts, in particular to an anti-loosening fastening structure and a glasses framework, which comprise a bolt body, a threaded connection section arranged along the length direction of the bolt body, a clamping groove arranged on the threaded connection section, and an anti-loosening rubber strip embedded in the clamping groove. The anti-loose rubber strip is embedded in the clamping groove of the threaded connection section, at least part of the anti-loose rubber strip protrudes out of the tooth bottom of the threaded connection section, and the anti-loose rubber strip embedded in the clamping groove of the threaded connection section and part of the anti-loose rubber strip protrudes out of the tooth bottom of the threaded connection section can fill tiny gaps between connection components through elastic deformation of the anti-loose rubber strip in the bolt tightening process. Therefore, the friction force of threaded connection is enhanced, the bolt is effectively prevented from loosening due to frequent swing, the buffering effect can be achieved, and the impact of dynamic acting force on the connecting part is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to fastening component technical field especially a kind of anti-loose fastening structure and spectacle frame. BACKGROUND

[0002] Specific clamps are distributed on the edge of the rim, and these clamps are responsible for connecting the pegs, which are also known as "short pegs" or "pegs ends". The pegs are then connected to the temples (i.e. "spectacle temples") via hinges, allowing the frame to be easily opened and closed for easy wearing and removal.

[0003] The connection between the clamps on the rim and the pegs, and between the pegs and the temples, is usually achieved using a screw. This screw, by virtue of the tension generated by its head and threaded portion, firmly fastens the two key components together. However, during normal use, the glasses are subjected to a lot of movement. Whether it is the simple act of putting on or taking off the glasses, or everyday activities such as walking, talking or turning the head, the frame, and especially the connection points, are subjected to dynamic forces.

[0004] Due to the repetitive nature of these movements, the constant swinging and jolting of the connection points can cause the screw to gradually loosen over time, or even completely come off. This not only affects the user experience, but also leads to more frequent replacement or repair of the frame, resulting in unnecessary costs and inconvenience. SUMMARY

[0005] The purpose of the utility model is to provide an anti-loose fastening structure and spectacle frame, aiming to solve the problem of screw loosening and falling off at the connection point in the above-mentioned problems.

[0006] The technical problems in the utility model are solved by the following technical solutions:

[0007] An anti-loose fastening structure comprises:

[0008] A screw body;

[0009] A threaded connection section arranged along the length direction of the screw body;

[0010] A clamping groove provided on the threaded connection section;

[0011] An anti-loose adhesive strip embedded in the clamping groove, and the anti-loose adhesive strip protrudes at least partially from the tooth root position of the threaded connection section.

[0012] The utility model also has the following technical features:

[0013] In an embodiment of the utility model, the anti-loose adhesive strip protrudes partially from the tooth top position of the threaded connection section.

[0014] In an embodiment of the utility model, the threaded connection section is arranged extending from the bolt body end position to the tail direction, and one end of the clamping groove penetrates to the end position of the bolt body;

[0015] The length of the anti-loose rubber strip is shorter than the length of the clamping groove.

[0016] One end of the anti-loose rubber strip abuts against the end of the clamping groove.

[0017] In an embodiment of the utility model, the anti-loose rubber strip is made of nylon material or Teflon material.

[0018] In an embodiment of the utility model, the cross section of the clamping groove is in the shape of a "。

[0019] The cross section of the anti-loose rubber strip is in the shape of a circle or an ellipse or a waist.

[0020] In an embodiment of the utility model, the cross section of the clamping groove is in the shape of a swallow tail with a small mouth and a large bottom.

[0021] The cross section of the anti-loose rubber strip is in the shape of a triangle or a trapezoid.

[0022] In an embodiment of the utility model, one end of the bolt body is further provided with a fastening head, and the end position of the fastening head is provided with a groove for tool screwing.

[0023] In an embodiment of the utility model, the fastening head is provided with a smooth rod section away from the end, and one end of the threaded connection section is connected with one end of the smooth rod section.

[0024] In an embodiment of the utility model, one end of the threaded connection section is connected with one end of the fastening head away from the end.

[0025] Another purpose of the utility model is to provide a glasses frame comprising the above anti-loose fastening structure, a glasses frame and a glasses frame, wherein the anti-loose fastening structure connects the glasses frame and the glasses frame.

[0026] Compared with existing technologies, the beneficial effects of this utility model are reflected in the following: This anti-loosening fastening structure has significant technical effects. When the bolt body is used to connect the clamp and the head of the eyeglass frame, the anti-loosening rubber strip, which is embedded in the groove of the threaded connection section and protrudes from the bottom of the threaded connection section in part, can fill the tiny gaps between the connecting parts by its own elastic deformation during the bolt tightening process. This not only enhances the friction of the threaded connection and effectively prevents the bolt from loosening due to frequent swinging, but also plays a buffering role, reducing the impact of dynamic forces on the connection parts. Even during the daily use of eyeglasses, which involves multiple wearing and removing and various head movements causing frequent frame swinging, this anti-loosening fastening structure can ensure that the bolt remains tight, maintain the stability of the eyeglass frame, prevent lens misalignment, and provide the wearer with a continuous comfortable wearing experience. At the same time, it greatly reduces the frequency of frame repair or replacement due to bolt loosening, saving costs. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the bolt body structure of the anti-loosening fastening structure in one embodiment of the present invention;

[0028] Figure 2 This is a schematic diagram of the anti-loosening fastening structure in one embodiment of the present invention;

[0029] Figure 3 This is a schematic diagram of the anti-loosening fastening structure in another embodiment of the present invention;

[0030] Figure 4 This is a planar schematic diagram of the threaded connection section of the anti-loosening fastening structure and its cooperation with the anti-loosening rubber strip in one embodiment of the present invention;

[0031] Figure 5 This is a plan view of the threaded connection section of the anti-loosening fastening structure and its cooperation with the anti-loosening rubber strip in another embodiment of the present invention;

[0032] Figure 6 This is a plan view of the threaded connection section of the anti-loosening fastening structure and its cooperation with the anti-loosening rubber strip in another embodiment of the present invention;

[0033] Figure 7 This is a front view of the fastening head of the anti-loosening fastening structure in one embodiment of the present invention;

[0034] Figure 8 This is a front view of the fastening head of the anti-loosening fastening structure in another embodiment of the present invention;

[0035] Figure 9 This is a top view of the fastening head of the anti-loosening fastening structure in one embodiment of the present invention;

[0036] Figure 10 This is a top view of the fastening head of the anti-loosening fastening structure in another embodiment of the present invention;

[0037] Figure 11 This is a top view of the fastening head of the anti-loosening fastening structure in another embodiment of the present invention;

[0038] Explanation of icon numbers:

[0039] 10. Bolt body; 11. Slot; 111. Receiving area; 12. Threaded connection section; 13. Fastening head; 131. Groove; 14. Polished rod section;

[0040] 20. Anti-loosening rubber strips. Detailed Implementation

[0041] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model.

[0042] The illustrations provided in this embodiment are only schematic representations of the basic concept of this utility model. Therefore, the drawings only show the components related to this utility model and are not drawn according to the actual number, shape and size of the components. In actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.

[0043] Taking existing eyeglass frames as an example, precision bolts are widely used in eyeglass frames. These bolts are very small, typically around 1 to 3 millimeters in size. Existing eyeglass frames include a lens rim with a clip. Some rimless eyeglasses do not have a clip. The connection between the clip and the post, as well as between the post and the temple, is usually achieved using bolts. These bolts rely on the tensile force generated by their head and threaded portion to firmly fasten these two key components together. However, during normal use, eyeglasses are subjected to a great deal of activity. Whether it's the simple act of putting on or taking off glasses, or everyday activities such as walking, talking, or turning the head, the frame, especially the connecting parts, is subjected to dynamic forces. Because these actions are repetitive, the continuous swaying and shaking at the connection point can cause the bolt to gradually loosen over time, and may even come off completely. To address this, this utility model proposes an anti-loosening fastening structure, comprising: a bolt body 10; a threaded connection section 12 arranged along the length of the bolt body 10; a groove 11 formed on the threaded connection section 12; and an anti-loosening strip 20 embedded in the groove 11, wherein at least a portion of the anti-loosening strip 20 protrudes from the bottom of the thread of the threaded connection section 12.

[0044] In one embodiment, the threaded connection segment 12 may or may not penetrate the bolt body 10, depending on the actual usage requirements.

[0045] In one embodiment, the bolt body 10 can be made of wear-resistant galvanized or titanium alloy material to improve connection reliability and service life.

[0046] In one embodiment, the bolt body 10 can also be made of polymer material, which can ensure wear resistance while also having high strength and a relatively long service life.

[0047] In one embodiment, the anti-loosening strip 20 can be pressed into the groove 11 opened in the threaded connection section 12 by means of a device, and the anti-loosening strip 20 can protrude from the bottom of the thread of the threaded connection section 12. For example, when used to connect the head and temple of an eyeglass, the threaded connection section 12 is screwed into the threaded hole of the above-mentioned component. By embedding the anti-loosening strip 20 into the gap of the threaded hole of the component, the friction of the threaded connection is enhanced, effectively preventing the bolt from loosening due to frequent swinging, and also playing a buffering role, reducing the impact of dynamic forces on the connection part.

[0048] In one embodiment, to further improve the anti-loosening capability of the bolt body 10, a portion of the anti-loosening strip 20 protrudes beyond the tooth tip of the threaded connection section 12.

[0049] In one embodiment, the anti-loosening strip 20 is generally in the form of a thin film, with a portion of it being inserted into the slot 11 and a portion surrounding the threaded connection section 12. When the bolt body 10 is screwed into the threaded hole of the component, a portion of the anti-loosening strip 20 surrounding the threaded connection section 12 fills the space between the threads of the threaded connection section 12 and the threads of the threaded hole of the component, thus achieving a reliable connection.

[0050] In one embodiment, see Figure 2 and Figure 3 The threaded connection section 12 extends from the end of the bolt body 10 toward the tail, and one end of the groove 11 extends through to the end of the bolt body 10; wherein, the length of the anti-loosening strip 20 is shorter than the length of the groove 11; and one end of the anti-loosening strip 20 abuts against the end of the groove 11.

[0051] In one embodiment, the length of the anti-loosening strip 20 is shorter than the length of the slot 11, and one end of the anti-loosening strip 20 abuts against the end of the slot 11, such that the other end of the anti-loosening strip 20 is at a certain distance from the end of the threaded connection section 12. (See reference...) Figure 2 and Figure 3, in the figure, h represents the distance between the other end of the anti-loosening rubber strip 20 and the end of the threaded connection section 12, preferably 1 to 2 threads, and one end of the threaded connection section 12 is provided with an inlet bevel. Therefore, one end of the threaded connection section 12 is first screwed into the threaded hole of the component, and then the threaded connection section 12 with the anti-loosening rubber strip 20 is screwed into the threaded hole of the component, thereby achieving the purpose of fastening. This design can also prevent the anti-loosening rubber strip 20 from not being smoothly introduced into the threaded hole of the component, thus avoiding the problem of the anti-loosening rubber strip 20 falling off from the threaded hole of the component and causing failure.

[0052] In one embodiment, the anti-loosening rubber strip 20 is made of nylon material.

[0053] In another embodiment, the anti-loosening rubber strip 20 is made of Teflon material.

[0054] In one embodiment, refer to Figure 4 , the cross-section of the card slot 11 is in a "C" shape; the card slot 11 can be formed by cutting with equipment and processed to be relatively low.

[0055] In one embodiment, refer to Figure 4 , the cross-section of the anti-loosening rubber strip 20 is circular or oval or waist-shaped.

[0056] Preferably, refer to Figure 4 , the cross-section of the anti-loosening rubber strip 20 is preferably waist-shaped.

[0057] In one embodiment, during actual production of the anti-loosening rubber strip 20, it can be formed by cutting a strip blank, and then introduced into the clamping device through equipment. Then, the anti-loosening rubber strip 20 is clamped into the card slot 11 through an automated clamping device, and one end of the anti-loosening rubber strip 20 abuts against one end of the card slot 11.

[0058] In another embodiment, refer to Figure 5 , the cross-section of the card slot 11 is in a swallowtail shape with a small mouth and a large bottom. The card slot 11 can be formed by cutting with equipment and processed to be relatively low.

[0059] In another embodiment, refer to Figure 5 , the cross-section of the anti-loosening rubber strip 20 is triangular or trapezoidal.

[0060] In one embodiment, the cross-section of the card slot 11 is in a swallowtail shape with a small mouth and a large bottom. After the anti-loosening rubber strip 20 is clamped into the card slot 11, the anti-loosening rubber strip 20 is compressed into the cavity of the card slot 11, and a part of the area protrudes out of the slot opening, which can prevent the anti-loosening rubber strip 20 from falling off from the slot opening of the card slot 11 and can also ensure the performance of the bolt.

[0061] In another embodiment, refer to Figure 6The groove 11 has a dovetail shape with a small opening and a large bottom. Accommodation areas 111 are provided on both sides of the groove 11. The accommodation areas 111 are notches opened on the threaded connection section 12. The anti-loosening rubber strip 20 is generally sheet-shaped, with a part of it pressed into the groove 11. The anti-loosening rubber strip 20 extends out of the groove opening on both sides and is inserted into the accommodation areas 111. The two sides of the anti-loosening rubber strip 20 inserted into the accommodation areas 111 also protrude out of the accommodation areas 111 to ensure a reliable fastening connection when it is engaged with the threaded hole of the component.

[0062] In one embodiment, a fastening head 13 is provided at one end of the bolt body 10, and a groove 131 for tool tightening is provided at the end of the fastening head 13.

[0063] In one embodiment, see Figure 7 and Figure 8 The end of the fastening head 13 of the bolt body 10 is hemispherical or small hemispherical, or the edge can be beveled.

[0064] In one embodiment, see Figures 9 to 11 The groove 131 can be in the shape of a straight line or a cross, or is not limited to the above shapes, to adapt to different tools for screwing.

[0065] Among them, see Figure 11 Taking the "I"-shaped or "+"-shaped groove 131 as an example, the groove 131 can pass through the end of the fastening head 13, or it can not pass through.

[0066] In one embodiment, see Figure 3 To improve the versatility of the fastening bolt, a smooth rod section 14 is provided on the opposite end of the fastening head 13, and one end of the threaded connection section 12 is connected to one end of the smooth rod section 14.

[0067] In one embodiment, to improve the versatility of the fastening bolt, see [reference needed]. Figure 1 One end of the threaded connection section 12 is connected to one end of the fastening head 13 away from the end.

[0068] This utility model also proposes an eyeglass frame, including an anti-loosening fastening structure, a frame, and a frame. The anti-loosening fastening structure connects the frame and the frame. The specific structure of the fastening connection member is as described in the above embodiments. Since this eyeglass frame adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be described in detail here. The fastening connection member connects the frame and the frame.

[0069] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0070] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A fastening structure to prevent loosening, characterized in that, Comprising: A bolt body (10); A threaded connection section (12) arranged along the length direction of the bolt body (10); A card slot (11) opened on the threaded connection section (12); A lock prevention rubber strip (20) embedded in the card slot (11), and at least part of the lock prevention rubber strip (20) protrudes from the bottom position of the tooth of the threaded connection section (12).

2. The anti-loosening fastening structure according to claim 1, characterized in that, Part of the lock prevention rubber strip (20) protrudes from the top position of the tooth of the threaded connection section (12).

3. The anti-loosening fastening structure according to claim 1, characterized in that, The threaded connection section (12) extends from the end position of the bolt body (10) towards the tail direction, and one end of the card slot (11) penetrates to the end position of the bolt body (10); The length of the lock prevention rubber strip (20) is shorter than the length of the card slot (11); One end of the lock prevention rubber strip (20) abuts against the end of the card slot (11).

4. The anti-loosening fastening structure according to claim 1, characterized in that, The lock prevention rubber strip (20) is made of nylon material or Teflon material.

5. The anti-loosening fastening structure according to claim 1, characterized in that, The cross-section of the card slot (11) is in a "C" shape; The cross-section of the lock prevention rubber strip (20) is circular or oval or waist-shaped.

6. The anti-loosening fastening structure according to claim 1, characterized in that, The cross-section of the card slot (11) is in a swallowtail shape with a small mouth and a large bottom; The cross-section of the lock prevention rubber strip (20) is triangular or trapezoidal.

7. The anti-loosening fastening structure according to claim 1, characterized in that, One end of the bolt body (10) is further provided with a fastening head (13), and a slot (131) for tool screwing is provided at the end position of the fastening head (13).

8. The anti-loosening fastening structure according to claim 7, characterized in that, A smooth rod section (14) is provided at the end of the fastening head (13) facing away from the end, and one end of the threaded connection section (12) is connected to one end of the smooth rod section (14).

9. The anti-loosening fastening structure according to claim 7, characterized in that, One end of the threaded connection section (12) is connected to the end of the fastening head (13) facing away from the end.

10. An eyeglass frame, characterized in that, Comprising the anti-loosening fastening structure according to any one of claims 1 to 9, a spectacle frame and a spectacle frame body, and the anti-loosening fastening structure connects the spectacle frame and the spectacle frame body.

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