Row lens for skiascopy optometry

Abstract

The utility model discloses a retinoscopy lens row, which comprises lenses and a lens rod, the lens rod is provided with a lens mounting hole, a mounting assembly for fixing the lenses is arranged at the mounting hole, the mounting assembly comprises a lens ring clamped in the mounting hole and a lens fixing ring mounted in the lens ring, and the lens fixing ring is provided with a lens fixing hole. The inner wall of the lens ring is provided with a positioning step matched with the lens fixing ring to fix the lens, the outer wall of the lens ring is provided with a clamping spring matched with the hole wall of the mounting hole, and the outer wall of the lens ring and the hole wall of the mounting hole are correspondingly provided with a circle of clamping groove for hiding the clamping spring. Through the arrangement of the row lenses, optometry is facilitated; the mirror rod is connected with the mirror ring by arranging the clamping groove and adopting a hidden clamping spring structure, so that the structure is compact and simple, and parts such as exposed screws and clamping springs are avoided; and the concave arc part is arranged, so that the astigmatism axis position or the lens array substrate can be conveniently adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of optometry, in particular to a row of glasses for retinoscopy. Background Art

[0002] The mirrors used in existing optometry are usually arranged in an integrated manner with a mirror rod and a lens, the mirror rod and the lens are fixedly connected by screws, and a plurality of lenses are arranged on the mirror rod to switch lenses with different diopters to realize retinoscopy. Since the mirror rod and the lens are fixed by screws, the screws are small in size, and it is inconvenient to load and unload without suitable tools, and it is easy to cause parts to be exposed and unsightly. Moreover, the existing integrated retinoscopy lenses are fixedly installed, and the astigmatism axis cannot be adjusted, and the flexibility of the device is poor. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a retinoscopy optometry row mirror with reasonable design, simple structure, convenient optometry and high flexibility of use in view of the deficiencies of the prior art.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A retinoscopy eyeglass, characterized in that it comprises a lens and a mirror rod, the mirror rod is provided with a mounting hole for the lens, the lens is mounted in the mounting hole through a mounting assembly, the mounting assembly comprises a lens ring clamped in the mounting hole and a lens fixing ring mounted in the lens ring, a positioning step for cooperating with the lens fixing ring to fix the lens is provided on the inner wall of the lens ring, a retaining spring cooperating with the wall of the mounting hole is installed on the outer wall of the lens ring, a circle of retaining grooves for hiding the retaining spring are correspondingly provided on the outer wall of the lens ring and the wall of the mounting hole, and the lens is an astigmatism lens or a prismatic lens.

[0006] The technical problem to be solved by the utility model can also be achieved through the following technical solution: a limiting step of the mirror ring is provided at one end of the mounting hole, and a limiting portion matching the limiting step is provided on the outer edge of the mirror ring.

[0007] The technical problem to be solved by the utility model can also be achieved through the following technical solution: a concave arc portion is provided on the mirror rod on one side of each mounting hole to expose the mirror ring part for easy adjustment of the lens base position.

[0008] The technical problem to be solved by the utility model can also be achieved through the following technical solution: an anti-slip tooth edge is provided on the outer periphery of the lens ring to facilitate the rotation of the lens ring.

[0009] The technical problem to be solved by the utility model can also be achieved through the following technical solution: a scale for displaying the astigmatism axis is provided around the mounting hole, and a baseline pointing to the scale is provided on the lens.

[0010] The technical problem to be solved by the utility model can also be achieved through the following technical solution: the mirror rod is provided with an optometry part for mounting the lens and a hand-held part for easy holding, and the optometry part and the hand-held part are smoothly connected through the diameter reducing part.

[0011] The technical problem to be solved by the utility model can also be achieved through the following technical solution: a plurality of lenses are provided and arranged side by side along the axis of the lens rod.

[0012] Compared with the prior art, the utility model is convenient for eye examination by providing an array of mirrors; by providing a card slot and adopting a hidden spring structure to connect the mirror rod and the mirror ring, the structure is compact and simple, and there are no exposed screws, springs and other parts; by providing a concave arc portion, the adjustment of the astigmatism axis or the array of mirror base is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a structural diagram of the retinoscopy optometry row mirror of the utility model;

[0014] Figure 2 for Figure 1 Assembly drawing of

[0015] Figure 3 for Figure 1 Top view of the .

[0016] In the figure: 1-mirror rod, 2-circlip, 3-lens fixing ring, 4-lens, 5-mirror ring, 6-concave arc part, 7-anti-slip edge teeth, 8-baseline, 9-limiting step, 10-limiting part, 11-slot, 12-positioning step. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0018] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0019] Reference Figure 1-3 , a row of glasses for retinoscopy, comprising a lens 4 and a mirror rod 1, the mirror rod 1 is provided with a mounting hole for the lens 4, and the lens is mounted in the mounting hole through a mounting assembly;

[0020] The mounting assembly includes a lens ring 5 stuck in the mounting hole and a lens fixing ring 3 installed in the lens ring 5. A positioning step 12 is provided on the inner wall of the lens ring 5 to cooperate with the lens fixing ring 3 to fix the lens 4. A retaining spring 2 is installed on the outer wall of the lens ring 5 to cooperate with the wall of the mounting hole. A circle of retaining grooves 11 for hiding the retaining spring 2 are correspondingly provided on the outer wall of the lens ring 5 and the wall of the mounting hole. The lens is an astigmatic lens or a prismatic lens.

[0021] A limiting step 9 of the lens ring 5 is provided at one end of the mounting hole, and a limiting portion 10 matched with the limiting step 9 is provided at the outer edge of the lens ring 5 .

[0022] A scale for displaying the axis of astigmatism is provided around the mounting hole, and a baseline 8 pointing to the scale is provided on the lens; an anti-slip tooth edge 7 is provided on the outer periphery of the lens ring 5 for facilitating the rotation of the lens ring 5, and the anti-slip tooth edge can be extended from one side of the mirror rod for easy operation; a concave arc portion 6 is provided on the mirror rod 1 on one side of each mounting hole to expose part of the mirror ring for easy adjustment of the lens base position, so that the anti-slip tooth edge 7 of the mirror ring is conveniently moved, and the lens base position is adjusted by rotating the mirror ring 5.

[0023] The mirror rod 1 is provided with an optometry portion for mounting lenses and a hand-held portion for easy holding. The optometry portion and the hand-held portion are smoothly butted against each other through a reducing portion, so that the appearance is more beautiful and the use is more comfortable.

[0024] There are a plurality of lenses 4 arranged side by side along the axis of the lens rod 1, and lenses with different diopters can be switched, which greatly improves the efficiency of retinoscopy.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A retinoscopy optometry mirror, characterized in that: The mirror comprises a lens and a mirror rod, wherein a mounting hole for the lens is formed on the mirror rod, and the lens is clamped in the mounting hole through a mounting assembly; the mounting assembly comprises a lens ring clamped in the mounting hole and a lens fixing ring installed in the lens ring, a positioning step for cooperating with the lens fixing ring to fix the lens is provided on the inner wall of the lens ring, a retaining spring for cooperating with the hole wall of the mounting hole is installed on the outer wall of the lens ring, and a circle of retaining grooves for hiding the retaining spring are correspondingly provided on the outer wall of the lens ring and the hole wall of the mounting hole.

2. A retinoscopy optometry mirror according to claim 1, characterized in that: A limiting step of the mirror ring is arranged at one end of the mounting hole, and a limiting portion matching with the limiting step is arranged at the outer edge of the mirror ring.

3. The retinoscopy optometry mirror according to claim 1, characterized in that: A concave arc portion is provided on the mirror rod at one side of each mounting hole so as to expose the mirror ring part and facilitate the adjustment of the position of the lens base.

4. A retinoscopy optometry mirror according to claim 1 or 3, characterized in that: An anti-slip tooth edge is arranged on the outer periphery of the mirror ring to facilitate the rotation of the mirror ring.

5. The retinoscopy optometry mirror according to claim 1, characterized in that: A scale for displaying the astigmatism axis is arranged around the mounting hole, and a base line pointing to the scale is arranged on the lens.

6. The retinoscopy optometry mirror according to claim 1, characterized in that: The mirror rod is provided with an optometry part for mounting the lens and a hand-held part for easy holding, and the optometry part and the hand-held part are smoothly butted against each other through the diameter reducing part.

7. The retinoscopy optometry mirror according to claim 1, characterized in that: There are a plurality of lenses which are arranged side by side along the axis of the lens rod.

8. The retinoscopy optometry mirror according to claim 1, characterized in that: The lens is an astigmatism lens or a prismatic lens.

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