CN205920288U - A prism for spectacles - Google Patents

Abstract

The utility model discloses a prism for spectacles belongs to the eyeglass technology field, including first prism piece, second prism piece and support frame, first prism piece, second prism piece all sets up the front end at the spectacles lens, first prism piece and second prism piece are all through the both sides of fixed screw setting at the support frame, the support frame is protruding type, the support frame is held in the palm by a nose, two connecting rods and two hooks are constituteed, the upper end that the nose held in the palm is equipped with one and holds in the palm the cap, it holds in the palm the groove to be equipped with in the support cap, ask the inslot to be equipped with magnet, magnet is used for being connected support frame and spectacles, first prism piece and second prism piece are constituteed by rectangular prism piece and convex lens, convex lens are close to the spectacles lens. The utility model discloses simple structure, convenient to use can effectively solve near -sighted personnel when seeing nearby article, because the effect of convex lens and cause that eyeball inside changes, and result in tired problem, can effectively avoid bringing for eyes owing to wear near -sighted mirror for a long time the problem of not coilable damage in addition.

Description

A kind of prism for glasses for the myopia

Technical field

This utility model is related to a kind of prism, more particularly to a kind of prism for glasses for the myopia, belongs to optometric technology Field.

Background technology

Prism is the polyhedron that transparent material is made, and applies very wide, its property pressed by prism and purposes can in optical instrument It is divided into several, for example, complex light is decomposed into the dispersing prism of spectrum in spectral instrument, more common is equilateral Rhizoma Sparganii Mirror, changes the travel direction of light in the instruments such as periscope, binocular telescope, thus adjusting the title total reflection rib of its image space Mirror, typically all adopts corner cube prism；And in near-sighted glasses technical field, when people wear glasses for the myopia, when seeing distant place article, The eyeball of people turns phenomenon outside occurring, and makes crystal be in relaxation state, and when seeing nearby article, due to the effect of convex lenss, The eyeball of people turns phenomenon in occurring, and epibulbar crystal is in tension, makes eyes be constantly in fatigue state, gives people Life, work bring very big puzzlement, and wear the eyes that near-sighted glasses can give people for a long time and bring not coilable damage, and Increase a piece of prism before near-sighted glasses, adversion of eyeball phenomenon can be greatly reduced, and make to turn outside eyeball.

Utility model content

Main purpose of the present utility model be in order to solve current near-sighted glasses during wearing eyeball occur in turn so that Crystal is in tension, and then brings fatigue, damage eyes the problems such as, a kind of prism for glasses for the myopia is provided.

The purpose of this utility model can be reached by adopting the following technical scheme that:

A kind of prism for glasses for the myopia, including the first prismatic lenses, the second prismatic lenses and bracing frame, described first prism Piece, described second prismatic lenses are arranged at the front end of glasses for the myopia eyeglass, and described first prismatic lenses and described second prismatic lenses are equal It is arranged on the both sides of support frame as described above by fixed screw, support frame as described above is in convex, support frame as described above is by a nose support, two connections Bar and two clubfoots composition, the upper end of described nose support is provided with a support cap, is provided with bracket, is provided with magnetic in described bracket in described support cap Ferrum, described Magnet is used for being connected support frame as described above with glasses for the myopia, described first prismatic lenses and described second prismatic lenses by Right-angled edge eyeglass and convex lenss composition, described convex lenss are arranged on institute near described glasses for the myopia eyeglass, described right-angled edge eyeglass State the outside of convex lenss.

Further, connecting rod described in two is separately positioned on the two ends of described nose support, clubfoot described in two respectively with described in two Connecting rod connects.

Further, connecting rod described in two respectively with described nose support integrally connected, described clubfoot and described connecting rod one Connect.

Further, integrally connected between described support cap and described nose support.

Further, the termination of described clubfoot is provided with multiple fixing holes, and described fixed screw is arranged on institute by fixing hole State on the first prismatic lenses and described second prismatic lenses.

Further, described nose support is square metal nose support, and described connecting rod and described clubfoot are metal round rod.

Further, described connecting rod is curved metal round bar.

Further, minimum range d1 between described first prismatic lenses and described second prismatic lenses be 24.0～ 28.0mm, the greatest length d2 of described first prismatic lenses and described second prismatic lenses is 38.0～42.0mm, described first prism The Breadth Maximum d3 of piece and described second prismatic lenses is 18.0～22.0mm.

Advantageous Effects of the present utility model: the prism for glasses for the myopia of the present utility model, structure is simple, uses Convenient, by installing this prism in near-sighted glasses front end, can effectively solve the problem that near-sighted personnel see nearby article when, due to convex lenss Effect and cause adversion of eyeball, make crystal be constantly in tense situation, and lead to the problem of fatigue, and can be prevented effectively from by In wearing near-sighted glasses for a long time and bring the problem of not coilable damage to eyes.

Brief description

Fig. 1 is used for the prism schematic diagram of glasses for the myopia for this utility model；

Fig. 2 is part size marking figure in Fig. 1；

Fig. 3 is the sectional view of this utility model prism.

In figure: 1- first prismatic lenses, 2- second prismatic lenses, 3- bracing frame, 4- holds in the palm cap, 5- bracket, 6- Magnet, 7- right-angled edge Eyeglass, 8- convex lenss, 31- nose support, 32- connecting rod, 33- clubfoot, 34- fixing hole, 35- fixed screw, narrow spacing between d1- prism From, d2- prism greatest length, d3- prism Breadth Maximum.

Specific embodiment

For making those skilled in the art more clear and clear and definite the technical solution of the utility model, with reference to embodiment and Accompanying drawing is described in further detail to this utility model, but embodiment not limited to this of the present utility model.

As shown in figures 1 and 3, a kind of prism for glasses for the myopia, including the first prismatic lenses 1, the second prismatic lenses 2 and Support 3, described first prismatic lenses 1, described second prismatic lenses 2 are arranged at the front end of glasses for the myopia eyeglass, described first prism Piece 1 and described second prismatic lenses 2 are all arranged on the both sides of support frame as described above 3 by fixed screw 35, and support frame as described above 3 is in convex Type, support frame as described above 3 is made up of a nose support 31, two connecting rods 32 and two clubfoots 33, and the upper end of described nose support 31 is provided with a support cap 4, it is provided with bracket 5 in described support cap 4, in described bracket 5, is provided with Magnet 6, described Magnet 6 is used for support frame as described above 3 and myopia Glasses connect, and described first prismatic lenses 1 and described second prismatic lenses 2 are formed by right-angled edge eyeglass 7 and convex lenss 8, described convex Lens 8 are arranged on the outside of described convex lenss 8, described corner cube prism near described glasses for the myopia eyeglass, described right-angled edge eyeglass 7 Form the first prismatic lenses 1 and the second prismatic lenses 2, described first prismatic lenses 1, described second rib after piece 7 and described convex lenss 8 combination Eyeglass 2 is used for when seeing near article after glasses for the myopia on human eye band, and the eyeball making one becomes outer by walking around in before and turns, and Described convex lenss 8 can serve as the crystal block section of human eye, makes crystal thickening, and then the crystal making one is constantly in relaxation state.

In the present embodiment, as shown in figure 1, connecting rod 32 described in two is separately positioned on the two ends of described nose support 31, two institutes State clubfoot 33 to be connected with connecting rod described in two 32 respectively, connecting rod 32 described in two respectively with described nose support 31 integrally connected, described Clubfoot 33 and described connecting rod 32 integrally connected, integrally connected between described support cap 4 and described nose support 31, described Magnet 6 with When glasses for the myopia connect, ensure that the relative stable of the first prismatic lenses 1 and the second prismatic lenses 2, rock without producing.

In the present embodiment, as shown in figure 1, the termination of described clubfoot 33 is provided with multiple fixing holes 34, described fixed screw 35 are arranged on described first prismatic lenses 1 and described second prismatic lenses 2 by fixing hole 34, and described nose support 31 is square metal nose Support, described connecting rod 32 and described clubfoot 33 are metal round rod, and described connecting rod 32 is curved metal round bar.

In the present embodiment, as shown in Fig. 2 minimum range between described first prismatic lenses 1 and described second prismatic lenses 2 D1 is 26.0mm, and the greatest length d2 of described first prismatic lenses 1 and described second prismatic lenses 2 is 40.0mm, described first prism The Breadth Maximum d3 of piece 1 and described second prismatic lenses 2 is 21.0mm.

In sum, a kind of prism for glasses for the myopia that the present embodiment provides, structure is simple, easy to use, passes through In near-sighted glasses front end, this prism is installed, can effectively solve the problem that near-sighted personnel see nearby article when, drawn due to the effect of convex lenss Play adversion of eyeball, make crystal be constantly in tense situation, and lead to the problem of fatigue, and can be prevented effectively from due to long-time Wear near-sighted glasses and bring the problem of not coilable damage to eyes.

The above, only this utility model further embodiment, but protection domain of the present utility model does not limit to In this, any those familiar with the art in scope disclosed in the utility model, according to of the present utility model Technical scheme and its design in addition equivalent or change, broadly fall into protection domain of the present utility model.

Claims (8)

1. a kind of prism for glasses for the myopia, including the first prismatic lenses (1), the second prismatic lenses (2) and bracing frame (3), it is special Levy and be: described first prismatic lenses (1), described second prismatic lenses (2) are arranged at the front end of glasses for the myopia eyeglass, described first Prismatic lenses (1) and described second prismatic lenses (2) are all arranged on the both sides of support frame as described above (3) by fixed screw (35), described Bracing frame (3) is in convex, and support frame as described above (3) is made up of a nose support (31), two connecting rods (32) and two clubfoots (33), described nose The upper end of support (31) is provided with a support cap (4), is provided with bracket (5), is provided with Magnet (6) in described bracket (5) in described support cap (4), Described Magnet (6) is used for being connected support frame as described above (3) with glasses for the myopia, described first prismatic lenses (1) and described second prism Piece (2) is formed by right-angled edge eyeglass (7) and convex lenss (8), and described convex lenss (8) are near described glasses for the myopia eyeglass, described Right-angled edge eyeglass (7) is arranged on the outside of described convex lenss (8).

2. a kind of prism for glasses for the myopia according to claim 1 it is characterised in that: connecting rod described in two (32) point It is not arranged on the two ends of described nose support (31), clubfoot described in two (33) is connected with connecting rod described in two (32) respectively.

3. a kind of prism for glasses for the myopia according to claim 2 it is characterised in that: connecting rod described in two (32) point Not with described nose support (31) integrally connected, described clubfoot (33) and described connecting rod (32) integrally connected.

4. a kind of prism for glasses for the myopia according to claim 1 it is characterised in that: described support cap (4) with described Integrally connected between nose support (31).

5. a kind of prism for glasses for the myopia according to claim 1 it is characterised in that: the termination of described clubfoot (33) It is provided with multiple fixing holes (34), described fixed screw (35) is arranged on described first prismatic lenses (1) and institute by fixing hole (34) State on the second prismatic lenses (2).

6. a kind of prism for glasses for the myopia according to claim 1 it is characterised in that: described nose support (31) be square Metal nose support, described connecting rod (32) and described clubfoot (33) are metal round rod.

7. a kind of prism for glasses for the myopia according to claim 6 it is characterised in that: described connecting rod (32) be arc Shape metal round rod.

8. a kind of prism for glasses for the myopia according to claim 1 it is characterised in that: described first prismatic lenses (1) Minimum range d1 and described second prismatic lenses (2) between is 24.0～28.0mm, described first prismatic lenses (1) and described second The greatest length d2 of prismatic lenses (2) is 38.0～42.0mm, and described first prismatic lenses (1) and described second prismatic lenses (2) are Big width (d3) is 18.0～22.0mm.