CN113967122B

CN113967122B - Flexible contact lens wearing device capable of being adjusted forwards and backwards

Info

Publication number: CN113967122B
Application number: CN202111259959.3A
Authority: CN
Inventors: 蔡建中; 蔡煜煬
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2023-06-30
Anticipated expiration: 2041-10-28
Also published as: CN113967122A

Abstract

The invention discloses a device capable of being adjusted back and forth is a soft contact lens wearing device: comprises a shell, a bottom plate, a push-pull piece and at least two clamping arms; the bottom plate can slide back and forth relative to the shell and is locked at a certain fixed position; the push-pull piece and the clamping arm are connected to the bottom plate; the front end of the push-pull piece is provided with a sucker for sucking the soft cornea contact lens; the front end of the clamping arm is provided with a clamping head for clamping the soft cornea contact lens. The invention can adjust the distance between the sucker, the clamping head and the eyeballs by adjusting the front and back positions of the bottom plate relative to the shell, thereby meeting the requirements of people with different eyes, eyeballs protruding degree and facial structures. In the adjusting process, the phase position between the sucker and the clamping head cannot be changed, so that contact lenses can be adsorbed only through the sucker when the contact lenses are worn, and the edge of the contact lenses can be clamped only through the clamping head when the contact lenses are taken off, so that independent work of the sucker and the clamping head is guaranteed, and mutual interference is avoided.

Description

Flexible contact lens wearing device capable of being adjusted forwards and backwards

Technical Field

The invention relates to the technical field of wearing and containing of contact lenses, in particular to a soft contact lens wearing device capable of being adjusted back and forth.

Background

Soft contact lenses, also commonly known as contact lenses, are lenses that are directly attached to the tear layer on the surface of the cornea to correct myopia, hyperopia, astigmatism, and to treat certain ocular disorders by changing the refractive power of the eye.

In the prior art, the soft contact lens is usually worn by finger or sucking disc adsorption, and is taken by finger or tweezers, and meanwhile, the other hand is required to be matched with the other hand to fix the eyelid, so that blinking is avoided, but the wearing mode has higher requirement on human operation.

In the prior art, the sucker is matched with the clamp to wear and grasp the contact lens, and the sucker and the clamp are separated, so that the sucker and the clamp are matched with each other by two hands during use, and a device capable of driving the sucker and the clamp simultaneously is lacking, and moreover, although an eye supporting device exists in the prior art, the existing eye supporting device still needs to occupy one hand during use, so that the contact lens is more difficult to wear and grasp.

The prior art has high requirements on environmental sanitation and space, needs to clean both hands or operate against a mirror, is difficult to control the distance and the angle, and makes the contact lens difficult to wear and grasp due to eyelid stress reaction.

For the above reasons, there is a need in the art for a soft contact lens wearing device that can simultaneously support, wear, and pick up eyes, and can reduce eyelid stress, and can satisfy different users.

Disclosure of Invention

In order to solve the defects in the prior art, the invention provides a soft contact lens wearing device capable of being adjusted back and forth, which solves the technical problem of poor wearing and picking use effects of contact lenses.

In order to achieve the above object, the present invention adopts the following technical scheme:

a soft contact lens wearing device capable of being adjusted back and forth: comprises a shell, a bottom plate, a push-pull piece and at least two clamping arms;

the bottom plate can slide back and forth relative to the shell and is locked at a certain fixed position;

the push-pull piece and the clamping arm are connected to the bottom plate;

the front end of the push-pull piece is provided with a sucker for sucking the soft cornea contact lens;

the front end of the clamping arm is provided with a clamping head for clamping the soft cornea contact lens.

Preferably, the aforementioned soft contact lens wearing device capable of being adjusted back and forth: a linkage structure is further arranged between the push-pull piece and the clamping arm, when the push-pull piece is pushed forward to a certain position, the clamping head is in an open state, and the clamping head is positioned at the rear end of the sucker;

when the push-pull piece is pushed backwards to a certain position, the clamping head is in a clamping state, and the clamping head is positioned at the front end of the sucker.

Preferably, the aforementioned soft contact lens wearing device capable of being adjusted back and forth: the linkage structure comprises a passive connecting rod and a driving connecting rod, and the push-pull piece is provided with a second rack;

one end of the driving connecting rod is provided with a connecting rod gear, the other end of the driving connecting rod is hinged with the clamping arm, and the center of the connecting rod gear is hinged with the bottom plate;

two ends of the passive connecting rod are respectively hinged with the bottom plate and the clamping arm.

Preferably, the aforementioned soft contact lens wearing device capable of being adjusted back and forth: the push-pull member is provided with a first rack, and the first rack is meshed with the second rack.

Preferably, the aforementioned soft contact lens wearing device capable of being adjusted back and forth: the bottom plate is provided with a screw rod, the shell is provided with a long groove, and the screw rod passes through the long groove and is connected with the push-pull knob through threads.

Preferably, the aforementioned soft contact lens wearing device capable of being adjusted back and forth: the shell is provided with a groove, the long groove is arranged in the groove, and the groove is provided with a side flip cover capable of opening and closing.

Preferably, the aforementioned soft contact lens wearing device capable of being adjusted back and forth: the device comprises a shell, and is characterized by further comprising two eye supporting structures arranged at the front end of the shell, wherein each eye supporting structure comprises a pressing end and an eye supporting end, the pressing ends and the eye supporting ends are hinged to the shell, and the eye supporting structures further comprise elastic structures used for enabling the eye supporting ends to move towards the eye supporting directions.

Preferably, the aforementioned soft contact lens wearing device capable of being adjusted back and forth: the front end of the body is also provided with a positioning frame which is provided with positioning bulges matched with the left and right contours of human eyes.

Preferably, the aforementioned soft contact lens wearing device capable of being adjusted back and forth: the lens placing device also comprises an end cover which is covered on the front section of the shell, wherein the front end of the end cover is provided with two lens placing cavities for placing the soft cornea contact lenses, and the lens placing cavities are provided with openable sealing covers.

Preferably, the aforementioned soft contact lens wearing device capable of being adjusted back and forth: the push-pull piece is also connected with the shell through a spring, and the spring comprises a rear spring positioned at the rear end of the push-pull piece and a front spring positioned at the front end of the push-pull piece.

The invention has the beneficial effects that:

and (3) a step of: the invention can adjust the distance between the sucker, the clamping head and the eyeballs by adjusting the front and back positions of the bottom plate relative to the shell, thereby meeting the requirements of people with different eyes, eyeballs protruding degree and facial structures. In the adjusting process, the phase position between the sucker and the clamping head cannot be changed, so that contact lenses can be adsorbed only through the sucker when the contact lenses are worn, and the edge of the contact lenses can be clamped only through the clamping head when the contact lenses are taken off, so that independent work of the sucker and the clamping head is guaranteed, and mutual interference is avoided. The graduations are arranged beside the groove, so that the adjustment quantity and the adjustment position of the bottom plate can be directly read by observing the position of the push-pull knob relative to the graduations.

And II: the invention can realize the positioning with the human eyes through the positioning bulge at the front section, so that a user can quickly, efficiently and accurately finish the positioning, and the operation efficiency is improved. The positioning frame and the shell are made of opaque materials, so that the eyes of a person are in a dark environment, and stress response of the eyelid is eliminated.

Thirdly,: the eye supporting action of the eye supporting structure adopts the pressing end to press and the elastic sheet to drive, so that the finger can be released during the eye supporting.

Fourth, the method comprises the following steps: the cavity can be used for placing contact lens in the lens of end cover anterior segment, and the recess of casing lateral part and the side flip that can open and shut can be used for placing other parts, and the practicality is stronger.

Drawings

FIG. 1 is a general block diagram of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a block diagram of a base plate, push-pull member, linkage structure, eye support structure and clamp arm of the present invention;

FIG. 4 is an exploded view of the push-pull member, linkage structure, eye support structure, thumb wheel and clamp arm of the present invention;

FIG. 5 is a structural view of the eye support structure of the present invention;

FIG. 6 is a block diagram of the base plate of the present invention;

FIG. 7 is an internal structural view of the housing of the present invention;

FIG. 8 is a front view of a contact lens extraction station of the present invention;

FIG. 9 is a front view of a contact lens of the present invention in a worn state;

meaning of reference numerals: 1-a housing; 2-end caps; 3-eye support structure; 4-a bottom plate; 5-clamping arms; 6-a push-pull member; 7-a thumb wheel; 8-a passive link; 9-an active link; 11-grooves; 12-an elongated slot; 13, positioning a frame; 14-side flip; 15-positioning strips; 21-a lens placement cavity; 22-sealing cover; 23-notch; 31-a pressing end; 32-an eye-supporting end; 33-shrapnel; 34-hinge holes; 41-a guide groove; 42-screw; 43-push-pull knob; 51-a clamping head; 61-sucking disc; 62-rack one; 63-rack two; 71-gear; 91-a connecting rod gear; 601-rear spring; 602-front springs; 131-positioning protrusions; 10-contact lenses; 101-eyeball.

Detailed Description

The invention is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.

As shown in fig. 1 to 9: the embodiment discloses a soft contact lens wearing device capable of being adjusted back and forth: comprises a shell 1, a bottom plate 4, a push-pull piece 6 and at least two clamping arms 5.

The base plate 4 is slidable back and forth relative to the housing 1 and is locked in a fixed position, where the "fixed position" is not to a position, but can be locked in a position after adjustment. The push-pull piece 6 and the clamping arm 5 are connected to the bottom plate 4; the front end of the push-pull member 6 is provided with a suction cup 61 for sucking a soft contact lens. The front end of the clamping arm 5 is provided with a clamping head 51 for clamping the soft cornea contact lens, and the clamping head 51 is made of soft materials generally so as to avoid damaging eyeballs.

As shown in fig. 9: a linkage structure is further arranged between the push-pull member 6 and the clamping arm 5, when the push-pull member 6 is pushed forward to a certain position (wearing position), the clamping head 51 is in an open state, and the clamping head 51 is located at the rear end (far from the eyeball) of the suction cup 61.

As shown in fig. 8: when the push-pull member 6 is pushed backward to a certain position, the holding head 51 is in a holding state (for holding the edge of the contact lens), and the holding head 51 is located at the front end of the suction cup 61, i.e., the suction cup 61 is relatively retracted backward.

It should be noted that, in the present embodiment, "front" and "rear" refer to the positions of the eyes when the wearer wears the device normally, the end closer to the eyes is referred to as the front end, whereas the end farther from the eyes is referred to as the rear end, and the front end and the rear end are merely for convenience of description and do not affect the protection scope of the present embodiment.

Specifically, the linkage structure comprises a passive connecting rod 8 and a driving connecting rod 9, and the push-pull piece 6 is provided with a rack II 63; one end of the driving connecting rod 9 is provided with a connecting rod gear 91, the other end of the driving connecting rod is hinged with the clamping arm 5, and the center of the connecting rod gear 91 is hinged with the bottom plate 4; the two ends of the passive link 8 are respectively hinged to the base plate 4 and the clamping arm 5, and in a normal case, the passive link 8 is located between the active link 9 and the clamping head 51.

The push-pull member 6 is driven by means of a thumb wheel 7. The thumb wheel 7 of this embodiment is provided with a gear 71. The push-pull member 6 is further provided with a rack one 62. The gear 71 is engaged with the rack one 62. The push-pull member 6 can be driven to move back and forth in a gear transmission manner by rotating the thumb wheel 7.

The external diameter of gear 71 is less than thumb wheel 7, and gear 71 has two, and two gears 71 symmetry set up in the both ends of thumb wheel 7, and rack one 62 has two, and thumb wheel 7 sets up between two racks one 62, and the center of revolution of thumb wheel 7 is connected in casing 1.

The specific structure of the bottom plate 4 that can slide back and forth relative to the housing 1 and be locked in a certain fixed position is: the bottom plate 4 is provided with a screw 42, the housing 1 is provided with long grooves 12 (distributed in the front-rear direction), the screw 42 passes through the long grooves 12, and the push-pull knob 43 is screwed by screwing, and when the position between the bottom plate 4 and the housing 1 is locked, the push-pull knob 43 is in a screwed state.

The shell 1 is provided with the groove 11, the long groove 12 is arranged in the groove 11, and the groove 11 is provided with the side flip 14 which can be opened and closed, so that the shell has two advantages, namely, the downward concave groove 11 can form an accommodating space which can be used for placing other small parts, such as a sucker, tweezers and the like; secondly, the push-pull knob 43 is in a hidden state, so that misoperation is avoided during use. The graduations are arranged beside the groove 11, so that the adjustment quantity and the adjustment position of the bottom plate 4 can be directly read by observing the position of the push-pull knob 43 relative to the graduations.

A guiding structure is arranged between the bottom plate 4 and the shell 1, and specifically: the base plate 4 is provided with guide grooves 41 (distributed back and forth) parallel to the elongated grooves 12, and the housing 1 is connected to the guide grooves 41 by the positioning strips 15.

The embodiment also has the function of supporting eyelid, specifically: the two eye supporting structures 3 are arranged at the front end of the shell 1, each eye supporting structure 3 comprises a pressing end 31 and an eye supporting end 32, a hinge hole 34 is formed between each pressing end 31 and each eye supporting end 32, each hinge hole 34 is hinged to the shell 1, each eye supporting structure 3 further comprises an elastic structure for enabling each eye supporting end 32 to move towards the corresponding eye supporting direction, each elastic structure can adopt an elastic piece 33, the elastic direction of each elastic piece 33 enables the two eye supporting ends 32 to move away, and therefore when the eye supporting structure is used, the pressing ends 31 can be operated directly, the two eye supporting ends 32 are located at positions with relatively close distances, then the two eye supporting ends 32 are pressed on upper eye lids and lower eye lids respectively, and the eye lids can be directly opened under the action of the corresponding elastic pieces 33 after the pressing ends 31 are loosened.

Since the two eye structures 3 are arranged up and down in use, there are preferably two clamping arms 5 and two clamping heads 51 alternating with the two eye structures 3.

The front end of the shell 1 is also provided with a positioning frame 13, and the positioning frame 13 is provided with a positioning bulge 131 matched with the left and right contours of human eyes. The two positioning bulges 131 are arranged, and the two positioning bulges 131 respectively act on the left and right positions of the eyeball, and the first position is: the positions of the inner eyebox and the depressed eyebrow of the nasal bridge bone; position two: the outer rim of the orbit and the temporal bone position facilitate positioning of the present embodiment with the eyeball. The positioning bulge 131 is usually made of silica gel, is soft in material, improves the comfort level of use, and is more fit with the face.

Wherein the push-pull member 6 is further connected to the housing 1 through a spring, the spring comprises a rear spring 601 located at the rear end of the push-pull member 6, and a front spring 602 located at the front end of the push-pull member 6, and when the rear spring 601 and the front spring 602 are in a thrust balance state, the clamping head 51 is in a state of being maximally opened and clamping the contact lens 10, which can be understood as: the push-pull member 6 is in an intermediate state, which provides elastic damping for the operation of the push-pull member 6 and facilitates the finger sensing of the feedback force of the thumb wheel 7.

The embodiment also comprises an end cover 2 covered on the front section of the shell 1, wherein the front end of the end cover 2 is provided with two lens placing cavities 21 for placing soft contact lenses, and the lens placing cavities 21 are provided with openable sealing covers 22. The sealing cap 22 is preferably screwed to the lens placement chamber 21, and is required to seal when screwed because of the liquid required to be placed therein. Notches 23 are further formed on two sides of the end cover 2, and the notches 23 are used for placing the eye supporting ends 32, so that the elastic sheets 33 are prevented from being excessively extruded.

When the contact lens is worn, the end cover 2 is taken down in a state that the bottom plate 4 is adjusted and locked relative to the shell 1, the outer spherical surface of the contact lens 10 is adsorbed by the sucker 61, then the two pressing ends 31 are pressed, the distance between the two eye supporting ends 32 is reduced, then the positioning frame 13 is aligned to eyeballs, the two positioning bulges 131 respectively act on the left and right positions of the eyeballs, in this state, the two eye supporting ends 32 are just distributed on the upper eyelid and the lower eyelid, the pressing ends 31 are loosened, the two eye supporting ends 32 prop open the eyelid, and a blink reaction is avoided in the wearing or picking process of the contact lens 10. Then push-pull member 6 is pushed to move forward by thumb wheel 7, in the forward moving process of push-pull member 6, connecting rod gear 91 is driven to rotate, and two clamping heads 51 are moved backward and in the opening direction by the action of passive connecting rod 8 and active connecting rod 9 until contact lens 10 at the front end of push-pull member 6 can contact with the eyeball at a proper angle, and when contact lens 10 contacts with eyeball 101, a certain distance is reserved between clamping heads 51 and eyeball 101, so that contact with eyeball is avoided.

When the contact lens 10 needs to be taken out, the thumb wheel 7 is shifted to the other direction, the push-pull piece 6 moves to the direction far away from the eyeball, when the clamping heads 51 clamp the edge of the contact lens 10, a certain distance is reserved between the sucker 61 and the contact lens 10, the contact lens 10 is deformed (inwards bent) through the extrusion of the two clamping heads 51, so that external air can easily enter between the contact lens 10 and the eyeball, the internal negative pressure is eliminated, the contact lens 10 is convenient to take down, discomfort caused by the negative pressure to the eyeball is eliminated, the contact lens 10 can be firmly clamped by the two clamping heads 51, falling is prevented, and pollution caused by direct contact by hands is avoided.

Compared with the prior art, the embodiment has the following advantages:

and (3) a step of: the distance between the suction cup 61, the clamping head 51 and the eyeball can be adjusted by adjusting the front and back positions of the bottom plate 4 relative to the shell 1, so that the use of people with different eyes, eyeball salience and facial structures can be satisfied. In the adjustment process, the phase position between the sucker 61 and the clamping head 51 cannot be changed, so that the contact lens 10 can be adsorbed only by the sucker 61 when the contact lens is worn, and the edge of the contact lens 10 can be clamped only by the clamping head 51 when the contact lens is taken off, so that independent work of the sucker 61 and the clamping head 51 is ensured, and the contact lens is not interfered with each other. The graduations are arranged beside the groove 11, so that the adjustment quantity and the adjustment position of the bottom plate 4 can be directly read by observing the position of the push-pull knob 43 relative to the graduations.

And II: the positioning of the front section of the positioning bulge 131 and the human eyes can be achieved, so that a user can quickly, efficiently and accurately complete positioning, and the operation efficiency is improved. The positioning frame 13 and the shell 1 are made of opaque materials, so that the eyes of a person are in a dark environment to eliminate stress reaction of the eyelid.

Thirdly,: the eye supporting action of the eye supporting structure 3 is pressed by the pressing end 31, and the elastic sheet 33 is driven, so that fingers can be released during the eye supporting.

Fourth, the method comprises the following steps: the lens placement cavity 21 at the front section of the end cover 2 can be used for placing the contact lens 10, and the groove 11 at the side part of the shell 1 and the side flip 14 which can be opened and closed can be used for placing other parts, so that the practicability is high.

The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.

Claims

1. A flexible contact lens wearing device capable of being adjusted back and forth, which is characterized in that: comprises a shell (1), a bottom plate (4), a push-pull piece (6) and at least two clamping arms (5);

the bottom plate (4) can slide back and forth relative to the shell (1) and is locked at a certain fixed position;

the push-pull piece (6) and the clamping arm (5) are connected to the bottom plate (4);

the front end of the push-pull piece (6) is provided with a sucker (61) for sucking the soft cornea contact lens;

the front end of the clamping arm (5) is provided with a clamping head (51) for clamping the soft cornea contact lens;

a linkage structure is further arranged between the push-pull piece (6) and the clamping arm (5), when the push-pull piece (6) is pushed forward to a certain position, the clamping head (51) is in an open state, and the clamping head (51) is positioned at the rear end of the sucker (61);

when the push-pull piece (6) is pushed backwards to a certain position, the clamping head (51) is in a clamping state, and the clamping head (51) is positioned at the front end of the sucker (61);

the linkage structure comprises a driven connecting rod (8) and a driving connecting rod (9), and the push-pull piece (6) is provided with a rack II (63);

one end of the driving connecting rod (9) is provided with a connecting rod gear (91), the other end of the driving connecting rod is hinged to the clamping arm (5), and the center of the connecting rod gear (91) is hinged to the bottom plate (4);

two ends of the passive connecting rod (8) are respectively hinged with the bottom plate (4) and the clamping arm (5);

the push-pull piece (6) is further provided with a first rack (62), and the gear (71) is meshed with the first rack (62);

the novel support structure is characterized by further comprising two support eye structures (3) arranged at the front end of the shell (1), wherein the support eye structures (3) comprise pressing ends (31) and support eye ends (32), the pressing ends (31) and the support eye ends (32) are hinged to the shell (1), and the support eye structures (3) further comprise elastic structures used for enabling the support eye ends (32) to move towards the support eye direction.

2. A front-back adjustable soft contact lens wearing device according to claim 1, wherein: the base plate (4) is provided with a screw rod (42), the shell (1) is provided with a long groove (12), and the screw rod (42) penetrates through the long groove (12) and is connected with a push-pull knob (43) through threads.

3. A front-back adjustable soft contact lens wearing device according to claim 1, wherein: the shell (1) is provided with a groove (11), the long groove (12) is arranged in the groove (11), and the groove (11) is provided with a side flip (14) which can be opened and closed.

4. A front-back adjustable soft contact lens wearing device according to claim 1, wherein: the front end of the shell (1) is also provided with a positioning frame (13), and the positioning frame (13) is provided with a positioning bulge (131) matched with the left and right contours of human eyes.

5. A front-back adjustable soft contact lens wearing device according to claim 1, wherein: the lens placing device is characterized by further comprising an end cover (2) covered on the front section of the shell (1), wherein two lens placing cavities (21) used for placing soft cornea contact lenses are arranged at the front end of the end cover (2), and openable sealing covers (22) are arranged in the lens placing cavities (21).

6. A front-back adjustable soft contact lens wearing device according to claim 1, wherein: the push-pull piece (6) is also connected with the shell (1) through a spring, and the spring comprises a rear spring (601) positioned at the rear end of the push-pull piece (6) and a front spring (602) positioned at the front end of the push-pull piece (6).