Progressive multi-focus lens group

Abstract

The utility model discloses a progressive multi-focus lens group, which comprises a lens body and a lens bracket for supporting the lens body, the lens bracket is provided with two lens frames, the progressive multi-focus lens group also comprises a single-focus lens inserted with the lens bracket, the lens bracket is provided with an annular groove, and the lens body is arranged in the annular groove. The single-focus glasses are inserted into the glasses frame, and the lens bodies are mounted on the glasses frame, so that the two lenses can be conveniently combined for use; when the single-focus glasses are not used, the single-focus glasses can slide upwards to be locked by the locking structure, so that the stability of the single-focus glasses can be ensured, and the use is more reliable; and the progressive multi-focus auxiliary lens with the same Add value can be suitable for all presbyopia people conforming to the value, so that the inconvenience that a progressive lens needs to be specially customized is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of progressive lenses, in particular to a progressive multifocal lens set. Background Art

[0002] Progressive lenses, short for progressive multifocal lenses, include a distance vision zone, a near vision zone, a transition zone, and a peripheral zone. The distance vision zone, similar to a myopia lens, is used to correct distance vision for activities like viewing scenery, sightseeing, and walking. The near vision zone, similar to a reading lens, is used to correct near vision for activities like reading and sewing. Therefore, progressive lenses can correct vision across the entire visual field with just one lens.

[0003] Existing progressive multifocal lens sets are usually composed of a lens and a single-focus lens; the lens and the single-focus lens are mounted on two frames, and the top ends of the two frames are hinged. Therefore, when in use, when the single-focus lens is not needed, the frame supporting the single-focus lens is folded up. However, the hinge stability between the two frames is poor. When used for a long time, even if the frame supporting the single-focus lens is folded up, it is easy to accidentally fold down under gravity, resulting in inconvenience in use. Utility Model Content

[0004] In view of the problems existing in the existing progressive multifocal lens set, the present utility model is proposed.

[0005] Therefore, the purpose of the present invention is to provide a progressive multifocal lens set, which solves the problem that the existing progressive multifocal lens set is usually composed of a lens and a single-focus lens; the lens and the single-focus lens are mounted on two frames, and the top ends of the two frames are hinged, so when in use, when the single-focus lens is not needed, the frame supporting the single-focus lens is folded over; however, the hinge stability between the two frames is poor, and when used for a long time, even if the frame supporting the single-focus lens is folded over, it is easy to fold over accidentally under gravity, thereby causing inconvenience in use.

[0006] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0007] A progressive multi-focal lens set comprises a lens body and a frame supporting the lens body. The frame has two frames and also comprises a single-focal lens plugged into the frame.

[0008] As a preferred solution of the progressive addition lens set described in the present invention, an annular groove is provided on the frame, and the lens body is installed in the annular groove.

[0009] As a preferred solution of the progressive addition lens set described in the present invention, a bridge piece is integrally provided between the two frames, and a nose pad is hinged at the bottom of the bridge piece.

[0010] As a preferred solution of the progressive addition lens set described in the present invention, a hinge block is provided on the nose pad, and the bridge piece and the hinge block are hinged via a pin.

[0011] As a preferred solution of the progressive multifocal lens set described in the utility model, wherein: a notch is provided on the frame, and limiting grooves are provided on both sides of the notch, the single-focus lens passes through the notch and is slidably connected to the inner wall of the limiting groove, and a locking structure is provided between the frames.

[0012] As a preferred solution of the progressive multifocal lens group described in the present invention, wherein: the lens body has a peripheral astigmatism zone and an effective visual zone, the effective visual zone specifically includes a far vision zone, a transition zone and a near vision zone, the far vision zone is located at the upper part of the lens body, the far vision zone is a plano zone with constant refractive power, and the far vision zone does not have a refractive correction function; the near vision zone is located at the lower part of the lens body, and is used to correct near vision ability under close-range eye use; the transition zone is located between the far vision zone and the near vision zone, and is used for medium-distance eye use, providing the wearer with a smooth transition of refractive power between the far vision zone and the near vision zone; the peripheral astigmatism zone is located on both sides of the lens body.

[0013] As a preferred solution of the progressive multifocal lens set described in the present invention, the locking structure includes a slide groove installed on the frame, a first magnetic block is bonded to the top of the slide groove, a second magnetic block is bonded to the bottom outer wall of the single-focus lens, and the inner wall of the slide groove is slidably connected to the second magnetic block.

[0014] As a preferred solution of the progressive multifocal lens group described in the present invention, the bottom of the single-focus lens is hinged to a support bar via a hinge, both ends of the support bar are bonded with a third magnetic block, and the inner wall of the groove is slidably connected to the third magnetic block.

[0015] Compared with existing technologies:

[0016] By inserting the single-focal glasses into the frame, on which the lens body is mounted, the two lenses can be used in combination; when the single-focal glasses are not in use, the single-focal glasses can be slid upward and locked by the locking structure, thereby ensuring the stability of the single-focal glasses and making them more reliable to use;

[0017] The far vision correction function is achieved through the single-vision glasses originally worn for refractive correction. In this way, the auxiliary lenses provided by the utility model can be produced in a certain quantity and specifications as inventory according to the commonly used near vision correction degree, which can meet the needs of different myopic people; when people's refractive power changes, they only need to re-prepare single-vision glasses for refractive correction. The progressive multifocal auxiliary lenses with the same Add value can be suitable for all presbyopic people who meet the value, eliminating the inconvenience of special customization of progressive lenses. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of Example 1 of the present utility model;

[0019] Figure 2 Provided in Example 1 of the present utility model Figure 1 A top view of

[0020] Figure 3 Provided in Example 1 of the present utility model Figure 2 Enlarged view of point A in the middle;

[0021] Figure 4 This is a light zone distribution diagram of the lens body provided in Example 1 of the present utility model;

[0022] Figure 5 A schematic diagram of the monofocal glasses provided in Example 1 of the present utility model;

[0023] Figure 6 This is a schematic diagram of the single-focal glasses provided in Example 2 of the present utility model.

[0024] In the figure: lens body 100, distance zone 110, transition zone 120, near zone 130, peripheral astigmatism zone 140, frame 200, frame 210, limiting groove 211, slide groove 212, first magnetic block 213, annular groove 214, notch 215, U-shaped hinge block 220, bridge 230, nose pad 250, hinge block 251, single-focus glasses 300, second magnetic block 400, support bar 500, third magnetic block 501. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. Example 1

[0026] The utility model provides a progressive multifocal lens set. Figure 1-5, including a lens body 100 and a frame 200 supporting the lens body 100, the frame 200 has two frames 210, the ends of the frames 210 are provided with U-shaped hinge blocks 220, and also includes a single-focus lens 300 plugged into the frame.

[0027] An annular groove 214 is provided on the frame, and the lens body 100 is installed in the annular groove 214 .

[0028] A bridge member 230 is integrally provided between the two frames 210 , and a nose pad 250 is hinged to the bottom of the bridge member 230 .

[0029] A hinge block 251 is provided on the nose pad 250 , and the bridge member 230 and the hinge block 251 are hingedly connected via a pin.

[0030] A notch 215 is provided on the frame 210, and a limiting groove 211 is provided on both sides of the notch 215. The single-focus lens 300 passes through the notch 215 and is slidably connected to the inner wall of the limiting groove 211, and the inner wall of the limiting groove 211 clamps the edge of the single-focus lens 300. A locking structure is provided between the frames.

[0031] The lens body 100 has a peripheral astigmatism zone 140 and an effective visual zone. The effective visual zone specifically includes a distance zone 110, a transition zone 120 and a near zone 130. The distance zone 110 is located at the upper part of the lens body 100. The distance zone 110 is a plano zone with a constant refractive power, so the distance zone 110 does not have a refractive correction function; the near zone 130 is located at the lower part of the lens body 100, and is used to correct near vision ability under close-range eye use; the transition zone 120 is located between the distance zone 110 and the near zone 130, and is used for medium-distance eye use, providing the wearer with a smooth transition of refractive power between the distance zone 110 and the near zone 130; the peripheral astigmatism zone 140 is located on both sides of the lens body 100.

[0032] The locking structure includes a slide groove 212 installed on the frame 210, a first magnetic block 213 is bonded to the top of the slide groove 212, a second magnetic block 400 is bonded to the bottom outer wall of the single-focus lens 300, and the inner wall of the slide groove 212 is slidably connected to the second magnetic block 400.

[0033] When used in combination, the far vision correction function is achieved through the original single-focus glasses for refractive correction. In this way, the auxiliary lenses provided by the utility model can be produced in a certain quantity and specifications according to the commonly used near vision correction degree as inventory, which can meet the needs of different myopic people; when people's refractive power changes, they only need to re-prepare single-focus glasses for refractive correction.

[0034] During specific use, when the single-focus lens 300 is needed to be used in conjunction with the lens body 100, the single-focus glasses 300 are slid into the bottom of the frame 210; when the single-focus glasses 300 are not needed, the single-focus glasses 300 are slid upwards and the second magnetic block 400 and the first magnetic block 213 are attracted together. Example 2

[0035] Refer to the attached Figure 6 , which is different from Example 1: the bottom of the single-focus lens 300 is hinged to a support bar 500 through a hinge, both ends of the support bar 500 are bonded with a third magnetic block 501, and the inner wall of the groove 212 is slidably connected to the third magnetic block 501.

[0036] During specific use, when the single-focus lens 300 is needed to be used in conjunction with the lens body 100, the single-focus glasses 300 are slid into the bottom of the frame 210; when the single-focus glasses 300 are not needed, the single-focus glasses 300 are slid upward, and the second magnetic block 400 and the first magnetic block 213 are sucked together, and the single-focus glasses 300 are flipped to the outside of the face so that the single-focus glasses 300 are placed on the top of the frame 210.

[0037] While the present invention has been described above with reference to specific embodiments, various modifications may be made and equivalent components may be substituted without departing from the scope of the present invention. In particular, as long as no structural conflicts exist, the various features of the embodiments disclosed herein may be combined with one another in any manner, and the omission of an exhaustive description of these combinations in this specification is solely for the sake of space and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions within the scope of the claims.

Claims

1. A progressive multifocal lens set, comprising a lens body (100) and a frame (200) for supporting the lens body (100), wherein the frame (200) has two frames (210), and is characterized in that: Also included is a single-focus lens (300) plugged into the frame.

2. The progressive addition lens set according to claim 1, wherein: An annular groove (214) is provided on the frame, and the lens body (100) is installed in the annular groove (214).

3. The progressive addition lens set according to claim 1, wherein: A bridge member (230) is integrally provided between the two mirror frames (210), and a nose pad (250) is hingedly connected to the bottom of the bridge member (230).

4. The progressive addition lens set according to claim 3, wherein: A hinge block (251) is provided on the nose pad (250), and the bridge member (230) and the hinge block (251) are hingedly connected via a pin.

5. The progressive addition lens set according to any one of claims 1 to 4, characterized in that: The frame (210) is provided with a notch (215), and both sides of the notch (215) are provided with limiting grooves (211). The single-focus lens (300) passes through the notch (215) and is slidably connected to the inner wall of the limiting groove (211). A locking structure is provided between the frames.

6. The progressive addition lens set according to claim 5, characterized in that: The lens body (100) has a peripheral astigmatism zone (140) and an effective visual zone, wherein the effective visual zone specifically includes a far vision zone (110), a transition zone (120) and a near vision zone (130). The far vision zone (110) is located at the upper part of the lens body (100). The far vision zone (110) is a plano zone with a constant refractive power, and thus the far vision zone (110) does not have a refractive correction function. The near vision zone (130) is located at the lower part of the lens body (100) and is used to correct near vision in a near-distance state. The transition zone (120) is located between the far vision zone (110) and the near vision zone (130) and is used for medium-distance use, providing the wearer with a smooth transition of refractive power between the far vision zone (110) and the near vision zone (130). The peripheral astigmatism zone (140) is located on both sides of the lens body (100).

7. The progressive addition lens set according to claim 5, characterized in that: The locking structure comprises a slide groove (212) installed on the lens frame (210), a first magnetic block (213) is bonded to the top of the slide groove (212), a second magnetic block (400) is bonded to the bottom outer wall of the single-focus lens (300), and the inner wall of the slide groove (212) is slidably connected to the second magnetic block (400).

8. The progressive addition lens set according to claim 7, wherein: The bottom of the single-focus lens (300) is hingedly connected to a support bar (500) via a hinge, both ends of the support bar (500) are bonded to a third magnetic block (501), and the inner wall of the groove (212) is slidably connected to the third magnetic block (501).

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