KR102228121B1 - Improved Contact Lens Case - Google Patents

Abstract

Disclosed in the present specification relates to a contact lens case, which comprises: a lower base which has at least one hinge support part protruding from one side, and on which a contact lens is received; an upper cover which has a hinge holding part coupled to the hinge support part to be rotatable, and is formed in a dome structure; a hinge pin which is coupled to the hinge support part and the hinge holding part, and allows the upper cover to rotate at a predetermined angle with respect to the hinge support part of the lower base; and a pressing ring which surrounds and presses the outer edges of the upper cover and the lower base with a preset pressure. According to the present invention, a contact lens can be easily loaded inside the case and a preload is continuously provided to the upper cover in a locked state to suppress leakage of an aqueous lens solution.

Description

Contact Lens Case {Improved Contact Lens Case}

The present invention relates to an improved contact lens case, and more specifically, a contact lens can be easily loaded inside the case, and in a locked state, a preload is continuously provided to the upper cover to suppress leakage of an aqueous lens solution. It relates to an improved contact lens case.

Unless otherwise indicated in the specification, the contents described in this identification item are not prior art to the claims of this application, and description in this identification item is not admitted to be prior art.

In general, a contact lens is a lens having a transparent and thin dome-shaped structure that can be worn on a tear film covering the surface of the eyeball, and provides convenience during vigorous exercise as well as daily life according to wearing glasses.

Contact lenses can be worn mainly for correcting eyesight of users, and include color contact lenses to improve eye tone and cosmetic effects, and costume lenses used in movies to provide special image effects through the eyes.

Such a contact lens must be stored and maintained with an aqueous solution while being loaded into a contact lens case.

1 is an exploded perspective view showing a conventional contact lens case.

Referring to FIG. 1, the contact lens case has an upper lid 1 made of a transparent material that allows observation of the contact lens accommodated from the upper portion, and is opened and closed by the upper lid 1 and has a substantially cylindrical shape on which the contact lens L is seated. It consists of a receiving part 4 and a lower container 2.

Assembly by forming a protruding piece (3) on one side of the receiving portion (4) of the lower container (2), and forming a protruding piece receiving groove on the inner side of the upper lid (1) corresponding to the coupling protrusion (3) At the time, the contact lens has a closed structure by the fastening of the protruding piece-receiving groove.

The above-described conventional contact lens case maintains a sealed state between the upper lid and the lower container by the engaging action and frictional force between the protruding piece and the receiving groove when the protruding piece-receiving groove is fastened.

The above-described conventional contact lens case has a problem in that the evaporation of the aqueous solution or leakage of the aqueous solution occurs inside the case as time elapses, resulting in drying and damage of the lens, and the upper lid can be detached from the lower container. There is a problem that often causes loss accidents due to damage.

As another prior art, Korean Patent Laid-Open Publication No. 10-2016-0064382 (published on June 8, 2016) discloses a contact lens protective case capable of storing and maintaining by inserting a contact lens into a lower support portion of the lens case.

As another prior art, in Korean Utility Model No. 20-2010-0010568 (published on October 28, 2010), a contact lens case with a display function that can distinguish right and left is provided on both sides of the lid and body of the lens case. It is disclosed.

However, the contact lenses disclosed in the prior art document also have a disadvantage in that the sealed state between the upper lid and the lower container is not firmly maintained, causing frequent water leakage and evaporation, and still does not solve the above-described problems.

An object of the present invention is to provide a contact lens case in which an upper lid and a lower base of the case maintain a strong sealing force so that leakage or evaporation of an aqueous solution can be suppressed.

It is not limited to the above-described technical problems, and it is obvious that another technical problem may be derived from the following description.

According to an embodiment of the present invention,

A lower base having at least one hinge support protruding on one side and on which a contact lens is mounted;

An upper cover having a hinge support portion rotatably coupled to the hinge support portion and formed in a dome structure;

A hinge pin coupled to the hinge support and the hinge support, and allowing the upper cover to rotate at a predetermined angle with respect to the hinge support of the lower base;

It provides a contact lens case that surrounds the outer rims of the upper cover and the lower base and includes a pressure ring for pressing with a preset pressure.

Another feature of the present invention is a contact lens having a second sealing structure in which an inner flange is formed on the inside of the pressure ring and seals the outer edge of the lower base and the outer edge of the upper cover inside the pressure ring. Provide a case.

Preferably, the pressure ring provides a contact lens case consisting of a silicone ring.

Another feature of the present invention is to provide a contact lens case that is fixed in a snap-fit manner by combining an upper cover, a lower base, and a protruding piece-recess.

The contact lens case disclosed in the present specification has the advantage of greatly suppressing leakage and evaporation of aqueous solutions even when the contact lens is stored or displayed for a long period of time by forming a sealed structure that maintains a solid interview state on the rims of the upper cover and the lower base. .

In addition, there is an advantage that the user can conveniently open and close the upper cover and lock the pressure ring during the lens loading and withdrawing process.

In addition, since the effects of the present invention described as described above are naturally exerted by the composition of the contents described regardless of whether the inventor recognizes or not, the above-described effects are only a few effects according to the contents described, and all effects that the inventor grasp or exist It should not be admitted that it is written.

In addition, the effect of the present invention will have to be further grasped by the overall description of the specification, and even if it is not described in an explicit sentence, a person having ordinary knowledge in the technical field to which the described content belongs will have such an effect through the present specification. If it is an effect that can be recognized as the effect will be seen as the effect described in the present specification.

1 is an exploded perspective view showing a conventional contact lens case,
2 is an exploded perspective view of a contact lens case according to an embodiment of the present invention,
3 is a cross-sectional view for explaining a locked state of a contact lens case according to an embodiment of the present invention;
4 is a state diagram of a contact lens case in use according to an embodiment of the present invention, and FIG. 4A is a cross-sectional view illustrating an open state of an upper cover, and FIG. 4B is a cross-sectional view illustrating a locked state of the upper cover and the lower base.

Hereinafter, a configuration, operation, and effect of a terminal device according to a preferred embodiment will be described with reference to the accompanying drawings. For reference, in the following drawings, each component is omitted or schematically illustrated for convenience and clarity, and the size of each component does not reflect the actual size, and the same reference numerals refer to the same component throughout the specification. And reference numerals for the same configuration in individual drawings will be omitted.

2 is an exploded perspective view of a contact lens case according to an embodiment of the present invention, and FIG. 3 is a cross-sectional view illustrating a locked state of the contact lens case according to an embodiment of the present invention.

2 and 3, the contact lens case according to the present invention has an opening and closing structure in which the upper cover 11 can be rotated with respect to one side of the lower base 21.

Preferably, the lower base 21 includes at least one hinge support portion 24 protruding on one side, and a contact lens L is seated and accommodated on a surface thereof.

In consideration of the seating and stability of the contact lens L, a known lens receiving portion 25 may be formed on the lower base 21.

The upper cover 11 includes a hinge support portion 14 that is rotatably coupled to the hinge support portion 24.

The upper cover 11 may have a dome structure similar to the convex shape of the lens L, and various modifications having various geometric structures are possible according to embodiments.

In addition, the upper cover 11 is made of a light-transmitting, for example, transparent or translucent material, and such material characteristics are usually visually confirmed for the charging and storage state of the internal contact lens (L). As will be readily understood by those skilled in the art.

The above-described hinge support 14 may be integrally formed with the upper cover 11, and the hinge support 24 may also be integrally formed with the lower base 21.

The hinge support portion 14 and the hinge support portion 24 may be configured as an integral hinge portion, and the upper cover 11 and the lower base 21 are opened by being connected to an integral body by the hinge portion. And it is possible to form a trajectory having a predetermined rotation angle during the closing operation.

Meanwhile, the hinge support 14 and the hinge support 24 include an insertion hole for mounting a hinge pin 26 to be described later.

The hinge pin 26 is coupled to the hinge support part 24 and the hinge support part 14, and the upper cover 11 is at a predetermined angle with respect to the hinge support part 24 of the lower base 21. Allow rotating movements.

The contact lens case according to the present invention includes a pressure ring 31 that surrounds the outer edges of the upper cover 11 and the lower base 21 and pressurizes with a preset pressure.

The pressure ring 31 is formed of a rubber material having an elastic force, silicone, or synthetic resin, and may be integrally formed by molding.

The pressing ring 31 provides a pre-set elastic force on the rim 23 of the lower base 21 and the rim 13 of the upper cover 11 so that the rim of the upper cover 11 and the lower base 21 A sealed structure is formed in which the students are in close contact with each other and locked in an interview state.

Preferably, the inner flange 34 is formed radially protruding from the inside of the pressure ring 31, the edge of the lower base 21 and the edge of the upper cover 11 from the inside of the pressure ring 31 A second sealing structure for sealing the outer surface is formed.

For example, a pressure chamber (C) is formed between the upper surface of the upper cover 11 and the inner surface of the inner flange 34 of the pressure ring 31, which means that even if there is water leakage inside the case, such a leaking aqueous solution is It can be maintained in the pressure chamber (C).

On the other hand, as shown in Figure 3, the inner flange 34 is formed protruding on the inner surface of the pressure ring (31). The inner flange 34 further increases the local pressure in the longitudinal direction in the drawing with respect to the transverse direction (meaning the width direction of the case) in the drawing of the upper cover 11, thereby locking and sealing effect of the joining ring 31 Increase

The upper cover 11 is configured to include a predetermined recess 12 on the inner side of the rim opposite from the hinge support 14 forming a rotation starting point.

The lower base 21 is a configuration corresponding to the recess 12 and further comprises a protruding piece 22 raised on an edge opposite from the hinge support 24, and such an upper cover-lower base It can be easily fixed in a snap-fit manner by the primary protrusion-recess combination.

4 is a view showing a use state of the contact lens case according to an embodiment of the present invention, FIG. 4A is a cross-sectional view illustrating an open state of an upper cover, and FIG. 4B is a cross-sectional view illustrating a locked state of the upper cover and the lower base.

The contact lens case according to the present invention may be displayed in a multiple arrangement manner as a transparent or translucent contact lens case on a display stand for the sale of the contact lens L.

When the contact lens (L) is displayed, the upper cover 11 is opened with a movement of a predetermined angle based on the hinge part or the hinge pin 26 formed on one side of the lower base 21, and then the contact lens is opened. The lens L is mounted on the lower base 21 in a state of being immersed in an aqueous solution to maintain lens performance and protect the surface.

In this process, for stability of the placement posture and suppression of flow, the contact lens L may form an aqueous solution immersion state in the lower base 21 and the lens receiving part 25.

When the arrangement of the lens and the introduction of the aqueous solution are completed, the upper cover 11 determines the pivot movement trajectory of a predetermined angle from the hinge part, for example, the hinge support part 14, the hinge support part 24, or the hinge pin 26. And is mounted on the lower base 21 by rotating.

The joining ring 31 provides a pre-set elastic force on the rim 23 of the lower base 21 and the rim 13 of the upper cover 11, and the rim 23 and the rim 23 of the lower base 21 by the elastic force The rim 13 of the upper cover 11 maintains a solid close contact state.

The above-described elastic force should be understood as a leak pressure related to the required aqueous solution to be maintained in the case or an external force for pressing greater than an allowable threshold.

On the other hand, as shown in FIG. 4B, the inner flange 34 protruding from the upper rim portion 33 of the pressure ring 31 applies local pressure from the outside of the upper cover rim 13 in the case closed state. Further provided, in this process the upper cover 11 is kept in a locked state on the lower base 21.

Accordingly, the upper cover 11 is not rotated, opened, or separated arbitrarily, and forms a solid case sealing structure together with the lower base 21, and leakage and evaporation of the aqueous solution are suppressed.

As described above, the contact lens case according to the present invention continuously provides preload to the top cover in the locked state to suppress the leakage of the lens aqueous solution, so that the contact lens L is displayed for a long time without loss of quality due to the leakage of the aqueous solution. It has a very advantageous advantage to store, store, and sell.

Although preferred embodiments of the present invention have been described with reference to the accompanying drawings, the embodiments described in this specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention and represent all the technical ideas of the present invention Since this is not, it should be understood that there may be various equivalents and modifications that may be substituted for them at the time of application.

Therefore, the embodiments described above are to be understood as illustrative and non-limiting in all respects, and the scope of the present invention is indicated by the claims to be described later rather than the detailed description, and the meaning and scope of the claims and All changes or modified forms derived from the equivalent concept should be construed as being included in the scope of the present invention.

11: top cover
12: recess
13: the rim of the upper cover
21: lower base
22: protruding piece
23: the rim of the lower base
25: lens receiving part
31: pressure ring
33: rim portion of the pressure ring
34: inner flange

Claims (4)

A lower base having at least one hinge support protruding on one side and on which a contact lens is mounted on a surface;
An upper cover having a hinge support portion rotatably coupled to the hinge support portion and formed in a dome structure;
A hinge pin coupled to the hinge support and the hinge support, and allowing the upper cover to rotate at a predetermined angle with respect to the hinge support of the lower base; And
Includes; a pressure ring surrounding the outer rims of the upper cover and the lower base and pressing with a preset pressure,
An inner flange is formed on the inner side of the pressure ring, and is formed with a second sealing structure that seals the outer surface of the rim of the lower base and the rim of the upper cover inside the pressure ring,
The pressure ring is composed of a silicone ring,
The contact lens case, characterized in that the lower base and the upper cover are fixed in a snap-fit manner by a protruding piece-recess coupling.
delete delete delete

Images