Glasses capable of fixing lenses through taper sleeves

Abstract

The utility model discloses a pair of glasses with lenses fixed by taper sleeves. The pair of glasses comprises: a lens, any end of which is provided with a mating hole; an expansion assembly which can be inserted into the matching hole and is provided with an inner threaded hole which is axially formed is arranged between the connecting piece or the nasal middle beam and the lenses and the connecting piece or between the lenses and the nasal middle beam; the front end of the fastener is provided with an external thread matched with the internal threaded hole, the rear end of the fastener is provided with a taper section, the diameter of the taper section is gradually increased backwards in the axial direction of the fastener, and when the fastener is screwed, the taper section extrudes the rear end of the expansion assembly to force the expansion assembly to expand outwards and form interference fit with the inner wall of the matching hole. Through the cooperation of the fastener and the expansion assembly, the expansion assembly expands and is in interference fit with the inner wall of the matching hole of the lens, so that the fixation of the lens and the temple is realized, the mode is simple, the expansion force provides lasting friction locking force, and the problem of loosening caused by vibration and opening and closing in daily use can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical technology field, concretely relates to a kind of glasses of fixing lens by taper sleeve. BACKGROUND

[0002] As a kind of glasses, frameless glasses are more fashionable than framed glasses, and the lens edges can be cut into various line patterns and decorated, with more color options. Frameless glasses are lighter and more comfortable to wear, greatly relieving the pressure on the nose bridge and eyes, and without the constraints of the frame, the wearer's field of view is wider, so they are favored by young glasses wearers.

[0003] Frameless glasses lack a frame to secure the lenses, so securing the lenses is a top priority. The common way is to use screws to fix the lenses by drilling holes in the lens edges and directly fixing the temples and nose pads on the lenses with micro screws (usually 0.8-1.2mm). The disadvantage is that the screws will loosen over time and need to be tightened regularly. Or use a buckle, the lens edge is designed with a precise slot, and the temple is locked by inserting the elastic buckle. There is also a way of using glue to bond. However, the above methods more or less increase the cost, and using glue directly is not easy to position and can easily damage the overall integrity of the glasses.

[0004] Therefore, a more stable and cost-effective lens and temple fixing method is needed. SUMMARY

[0005] To address the deficiencies in the prior art, the utility model aims to provide a kind of glasses of fixing lens by taper sleeve.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions:

[0007] A kind of glasses of fixing lens by taper sleeve, comprising:

[0008] A lens has a matching hole at either end;

[0009] A connecting piece is used to connect the lens and the temple, or the bridge of the nose, to connect adjacent lenses.

[0010] Between the lens and the connecting piece or between the lens and the bridge of the nose is equipped with:

[0011] An expansion assembly can be inserted into the matching hole, and the expansion assembly has an internally threaded hole arranged axially.

[0012] A fastener has an outer thread at a front end thereof for mating with the internally threaded hole, and a tapered section at a rear end thereof, wherein the diameter of the tapered section gradually increases along the axial direction of the fastener towards the rear end, and when the fastener is screwed, the tapered section presses against the rear end of the expansion assembly, forcing the expansion assembly to expand outwardly and form an interference fit with the inner wall of the mating hole.

[0013] The diameter of the mating hole is between the diameter of the expansion assembly in the unexpanded state and the diameter of the expansion assembly in the expanded state.

[0014] The expansion assembly is a tapered sleeve.

[0015] The expansion assembly comprises a base fixedly connected to the connecting member, and the base is provided with at least two elastic petals distributed in the circumferential direction, and a gap allowing radial deformation is formed between each elastic petal.

[0016] The fastener is a bolt, and the bolt is provided with an outer thread at a front end surface thereof, and a tapered section at a rear end thereof, and the diameter of the tapered section gradually increases along the axial direction of the fastener towards the rear end.

[0017] The end of the fastener is provided with a tool mating groove.

[0018] The tool mating groove is a cross groove, a slot or an internal hexagonal hole.

[0019] The side of the connecting member facing the lens is provided with a positioning pin, and the lens is correspondingly provided with a positioning groove or a positioning hole.

[0020] The axis of the positioning pin and the intersection of the axis of the expansion assembly and the connecting member are located on the same straight line.

[0021] The beneficial effects of the utility model are as follows: through the cooperation of the fastener and the expansion assembly, the expansion assembly is expanded, and an interference fit is formed between the expansion assembly and the inner wall of the mating hole of the lens, thereby realizing the fixation of the lens and the connecting member, the method is simple, the expansion force provides a long-lasting friction locking force, the loosening problem caused by vibration and opening and closing in daily use can be avoided, and the detachable design facilitates the replacement of the connecting member or the lens. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structural schematic view of the utility model.

[0023] Figure 2 It is Figure 1 It is an enlarged schematic view of position A in the middle.

[0024] Figure 3 It is Figure 1 It is an enlarged schematic view of position B in the middle.

[0025] Figure 4 It is a structural schematic view of the temple wire and the temple of the utility model.

[0026] Figure 5 As Figure 4 Enlarged view at C.

[0027] Figure 6 Exaggerated view of the fastener and expansion assembly.

[0028] Figure 7 Structural view of the expansion assembly.

[0029] Figure 8 Structural view of the fastener. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] It should be noted that all the directionality indications such as up, down, left, right, front, back, and the like in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, and the like between components in a certain specific posture such as shown in the drawings, and if the specific posture changes, the directionality indications also change accordingly.

[0032] As Figure 1 shown, the present application discloses a kind of glasses by taper sleeve fixed lens, it includes lens 100 and two legs 300, leg 300 is fixedly connected with lens by connecting piece 200, connecting piece 200 can be foot silk or stake head, according to different glasses, different connecting piece is selected, leg 300 is connected with connecting piece by hinge, connecting piece is expanded outward by the axial force of fastener and is made expansion assembly and is matched with lens, realize the close connection of lens and fastener.

[0033] Wherein expansion assembly can be fixedly connected with connecting piece, fastener can also be fixedly connected with connecting piece.

[0034] Meanwhile, the present application can be used for the connection of lens and connecting piece of frameless or half-frame glasses, foot silk is used in the present application.

[0035] Referring to Figure 2 , lens 100, one end is equipped with matching hole, matching hole is drilled in both ends of lens in advance by drilling, the diameter of the hole is generally between the diameter of expansion assembly 400 before expansion and the diameter of expansion assembly 400 after expansion, i.e. slightly larger than the size of expansion assembly before expansion, preferably the maximum diameter of fastener plus the thickness of elastic petal, so that fastener can be completely screwed into the internal thread hole of expansion assembly.

[0036] Referring to Figure 4 and Figure 5 , the foot wire 200 is made of metal material such as titanium alloy, and is provided with an expansion assembly 400 on the side facing the lens 100, which can be inserted into the matching hole, see Figure 5 , the expansion assembly 400 has an axially arranged internal threaded hole, which can be a through or non-through design. The expansion assembly is welded and fixed with the foot wire to ensure the fixing reliability of the two. In some embodiments, a fastener can also be used to threadedly connect the expansion assembly and the foot wire, and the fixing of the three is completed.

[0037] Referring to Figure 6 and Figure 8 , the fastener 500 is provided with an external thread 510 matched with the internal threaded hole at the front end, and a tapered section 520 at the rear end, wherein the diameter of the tapered section 520 gradually increases along the axial direction of the fastener 500. When the fastener 500 is tightened, the tapered section 520 extrudes the rear end of the expansion assembly 400, forcing the expansion assembly 400 to expand outward and form an interference fit with the inner wall of the matching hole.

[0038] In this embodiment, the expansion assembly 400 is a tapered sleeve, that is, the expansion assembly 400 includes a base 410 fixedly connected with the foot wire 200, and the base 410 is provided with at least two elastic petals 420 distributed in the circumferential direction, and a gap 430 allowing radial deformation is formed between each elastic petal 420.

[0039] Referring to Figure 7 , four elastic petals are used in this embodiment, which are distributed in the circumferential direction to form a columnar structure, and the upper end thereof is designed as a slope to cooperate with the tapered section of the fastener. The slope cooperation expands the elastic petals outward, and gaps exist between each elastic petal, facilitating the radial opening of the elastic petals. Meanwhile, the thickness of the connecting section of the bottom of the elastic petal and the base is relatively thin, thereby enabling the elastic petal to have a certain elastic deformation capability.

[0040] In this embodiment, the fastener 500 is a bolt, the front end surface of the bolt is provided with an external thread, the rear end thereof is provided with a tapered section, and the diameter of the tapered section gradually increases along the axial direction of the fastener. By tightening, the bolt moves axially, and the tapered section at the rear end extrudes the elastic petals, causing them to open.

[0041] When the expansion assembly is fixedly connected with the foot wire or the pile head, the end of the fastener 500 is provided with a tool cooperation groove 530, which facilitates the operation of the fastener by a tool. The tool cooperation groove 530 is a cross groove, a straight groove or an internal hexagonal hole. Conversely, if the fastener is fixedly connected with the foot wire or the pile head, a tool cooperation groove is provided on one side of the expansion assembly.

[0042] The side of the foot wire 200 towards the lens 100 is provided with a positioning pin 600, and the lens is correspondingly provided with a positioning slot or a positioning hole. In this embodiment, the positioning slot and the positioning pin are matched, that is, a recess is arranged at the outer end of the lens, and when matched, the positioning pin is just located in the positioning slot, thereby realizing the locking of the lens together with the fastener.

[0043] The intersection of the axis of the positioning pin 600, the axis of the expansion assembly 400 and the foot wire 200 is located on the same line, facilitating the machining, positioning one surface by two points, avoiding the relative rotation of the lens, and being more convenient in subsequent assembly.

[0044] Referring to Figure 1 and Figure 3 Further, the glasses also have a nose bridge for connecting the two lenses and supporting and fixing the nose pads, and the connection mode of the nose bridge and the lens can also be based on the above-mentioned expansion assembly and fastener, and the connection mode of the connecting piece and the lens is also adopted. As shown in Figure 3 , the nose bridge 700 is also provided with a positioning pin matched with the outer edge of the lens, thereby cooperating with the expansion assembly to position the lens, and ensuring the reliability of the fixing of the lens.

[0045] The embodiments should not be regarded as the limitation of the utility model, but any improvement based on the spirit of the utility model should be within the protection scope of the utility model.

Claims

1. A pair of eyeglasses with lenses fixed by a tapered sleeve, characterized in that: It includes: The lens (100) has a mating hole at either end; Connector (200) for connecting lens to temple, or bridge of nose (700) for connecting adjacent lens (100). The lens (100) and the connector (200) or the lens (100) and the nasal bridge (700) are provided with: An expansion assembly (400) can be inserted into the mating hole, and the expansion assembly (400) has an axially arranged internal threaded hole; The fastener (500) has an external thread (510) at its front end that mates with the internal threaded hole, and a tapered section (520) at its rear end. The diameter of the tapered section (520) gradually increases axially towards the rear of the fastener (500). When the fastener (500) is tightened, the tapered section (520) squeezes the rear end of the expansion assembly (400), forcing the expansion assembly (400) to expand outward and form an interference fit with the inner wall of the mating hole.

2. The eyeglasses with lenses fixed by a tapered sleeve according to claim 1, characterized in that: The diameter of the mating hole is between the diameter of the unexpanded expansion component (400) and the diameter of the expanded expansion component (400).

3. The eyeglasses with lenses fixed by a tapered sleeve according to claim 1, characterized in that: The expansion component (400) is a tapered sleeve.

4. A pair of eyeglasses with lenses fixed by a tapered sleeve according to claim 1 or 3, characterized in that: The expansion assembly (400) includes a base (410) fixedly connected to the connector (200), the base (410) having at least two circumferentially distributed elastic lobes (420), and a gap (430) allowing radial deformation is formed between each elastic lobe (420).

5. The eyeglasses with lenses fixed by a tapered sleeve according to claim 1, characterized in that: The fastener (500) is a bolt, the front end surface of which is provided with external threads, and the rear end of which is provided with a tapered section, and the diameter of the tapered section gradually increases backward along the axial direction of the fastener.

6. A pair of eyeglasses with lenses fixed by a tapered sleeve according to claim 1 or 5, characterized in that: The fastener (500) has a tool fitting groove (530) at its end.

7. A pair of eyeglasses with lenses fixed by a tapered sleeve according to claim 6, characterized in that: The tool fitting groove (530) is a cross groove, a slotted groove, or an internal hexagonal hole.

8. A pair of eyeglasses with lenses fixed by a tapered sleeve according to claim 1, characterized in that: The connector (200) has a positioning pin (600) on the side facing the lens (100), and the lens has a corresponding positioning groove or positioning hole.

9. A pair of eyeglasses with lenses fixed by a tapered sleeve according to claim 8, characterized in that: The intersection of the axis of the positioning pin (600), the axis of the expansion assembly (400), and the connector (200) is on the same straight line.

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