AU2019202062B2

AU2019202062B2 - A Drop-Resistant Contact Lenses Case

Info

Publication number: AU2019202062B2
Application number: AU2019202062A
Authority: AU
Inventors: Lu Wang
Original assignee: Weifang Yubei Stationery Co Ltd
Current assignee: Weifang Yubei Stationery Co Ltd
Priority date: 2019-03-18
Filing date: 2019-03-25
Publication date: 2020-10-15
Anticipated expiration: 2039-03-25
Also published as: CN110367670A; AU2019202062A1; CN110367670B

Abstract

This invention discloses a drop-resistant contact lenses case, including a base 11. An adsorption device 100 is disposed in the base 11, and a case body 24 is disposed on an upper side of the base 11. A damping device 102 is disposed in the case body 24. The adsorption device 100 comprises a slider cavity 12 with a downward opening. The invention is simple in structure and convenient to operate; the device can be avoided from being touched to drop by adsorbing the suckers and the first torsional springs to the plane; and when the device drops, the vibration during the dropping are weakened through the second torsional springs and the springs, and the lenses are avoided from being damaged. 1/4 DRAWINGS 102 B 29 28u 25- 2 -24 23- Hx,66" 21 11 12 13 18 17 19290 14 16 15 100 Figure I

Description

1/4

DRAWINGS

102 B 29

28u

2 25- -24

23-

Hx,66" 21

11 12 13 18 17 19290 14 16 15 100

Figure I

A DROP-RESISTANT CONTACT LENSES CASE TECHNICAL FIELD

[0001] The present invention relates to the field of contact lenses case, in particular to a drop-resistant contact lenses case.

BACKGROUND OF THE INVENTION

[0002] Contact lenses are basically stored in contact lenses cases, and the access of them is frequent, so it often happens that the contact lenses cases are knocked down carelessly and the contact lenses are damaged at the same time. Therefore, it is necessary to design a drop-resistant contact lenses case to avoid damaging the lenses. The device protects the contact lenses by three drop-resistant and anti-vibration methods.

BRIEF SUMMARY OF THE INVENTION

[0003] The aim of the invention is to provide a drop-resistant contact lenses case so as to overcome the above problems existing in the prior art.

[0004] The invention achieves the goal by technical proposals as follows: a drop resistant contact lenses case according to the present invention comprises a base; an adsorption device is disposed in the base; a case body is disposed on an upper side of the base; a damping device is disposed in the case body; the adsorption device comprises a slider cavity with a downward opening, and the slider cavity is arranged in the base; a slider is slidably disposed in the slider cavity; a sucker cavity with a downward opening is arranged in the slider in a horizontal penetrating manner; belt wheel shafts are rotatably disposed in the slider in a bilateral symmetry manner; belt wheels 16 are fixedly connected to the belt wheel shafts; a connection belt is connected between the belt wheels on both sides; first torsional springs are fixedly connected between front and back ends of the belt wheels and front and back inner walls of the sucker cavity respectively; four rows of sucker groups are distributed on the connection belt in a back-forth linear manner and are fixedly connected to the connection belt; the sucker groups comprise fourteen of suckers which are distributed in a linear array along the connection belt; a lower threaded hole with an upward opening is arranged in the slider; a lower rotary wheel is rotatably disposed on an upper side of the base; a short screw is fixedly connected with a lower end of the lower rotary wheel; the short screw extends into the lower threaded hole and is in threaded connection with the lower threaded hole; a connection block is rotationally connected to an upper end of the lower rotary wheel; an upper rotary wheel is rotationally connected to an upper end of the connection block; a long screw is fixedly connected to an upper end of the upper rotary wheel; an upper end of the long screw is connected to the damping device; the case body is rotationally connected to the long screw; a lower end of the base is abutted against a placed plane; the lower rotary wheel is rotated, and the slider is driven by the short screw to slide downward, so that the lower suckers are extruded and adsorbed to the plane; and the upper rotary wheel is rotated so as to drive the damping device.

[0005] As further optimized technical proposal, the damping device comprises a case cavity with an upward opening; the case cavity is arranged in the case body; a mounting block is slidably disposed in the case cavity; an upper threaded hole with a downward opening is arranged in the mounting block; the upper end of the long screw is introduced into and is in threaded connection with the upper threaded hole; connection springs are fixedly connected between a lower end of the mounting block and an inner wall of a lower side of the case cavity in the bilateral symmetry manner; rotary plate cavities with openings in opposite directions are arranged in the mounting block in a front-back symmetry manner; rotary plates are rotatably disposed in the rotary plate cavities; cantilever shafts are fixedly connected in the rotary plates; ends of the cantilever shafts are rotationally connected to positions on inner walls of sides close to centers of the rotary plate cavities; receiving cavities with openings in opposite directions are arranged in the rotary plates of front and back ones respectively; connection shafts are fixedly connected to position on inner walls of one sides close to centers of the receiving cavities; glass plates are rotationally connected to one ends away from the centers of the connection shafts; shaft holes which are penetrated back and forth are arranged in the connection shafts; the shaft holes are penetrated through the glass plates; the cantilever shafts are penetrated through the shaft holes; second torsional springs are fixedly connected to inner walls of one sides close to the centers of the receiving cavities and one ends close to the centers of the glass plates; the upper rotary wheel is rotated to drive the mounting block to lift upward; and when the drop-resistant contact lenses case drops, the rotary plates can drive the connection shafts to rotate and drive the second torsional springs to perform torsion at the same time, and vibration during dropping is reduced under an elasticity effect of the second torsional springs.

[0006] As further optimized technical proposal, two of fixed rods are fixedly connected between inner walls of upper and lower sides of each of the receiving cavities; the fixed rods are in bilateral symmetry relatively to each of the connection shafts; upper pressing plates and lower pressing plates are slidably disposed on the fixed rods; communicating holes which are penetrated up and down are arranged in the upper pressing plates and the lower pressing plates; the fixed rods are penetrated through the communicating holes; compression springs are fixedly connected between the upper pressing plates and the lower pressing plates; upper springs are fixedly connected between upper ends of the upper pressing plates and inner walls of upper sides of the receiving cavities; lower springs are fixedly connected between lower ends of the lower pressing plates and inner walls of lower sides of the receiving cavities; lenses grooves with upward openings are arranged in the lower pressing plates; lower ends of the upper pressing plates can extend into the lenses grooves; and the upper pressing plates and the lower pressing plates are pulled open, then lenses are put in the lenses grooves and are clamped by the compression springs, and vibration during dropping is reduced under an elasticity effect of the lower springs and the upper springs when the drop-resistant contact lenses case drops.

[0007] The benefits of the invention are as follows: is simple in structure and convenient to operate; the device can be avoided from being touched to drop by adsorbing the suckers and the first torsional springs to the plane; and when the device drops, the vibration during the dropping are weakened through the second torsional springs and the springs, and the lenses are avoided from being damaged.

BRIEF DESCRIPTION OF THE DRAWINGS

[0008] FIG. 1 is the overall structural diagram inside the drop-resistant contact lenses case in this invention;

[0009] FIG. 2 is the schematic diagram along "A-A" direction in FIG.1;

[0010] FIG. 3 is the schematic diagram along "B-B" direction in FIG.1;

[0011] FIG. 4 is the schematic diagram along "C-C" direction in FIG.3.

DETAILED DESCRIPTION OF THE INVENTION

[0012] Referring to Figures 1-4, a drop-resistant contact lenses case according to the present invention comprises a base 11; an adsorption device 100 is disposed in the base 11; a case body 24 is disposed on an upper side of the base 11; a damping device 102 is disposed in the case body 24; the adsorption device 100 comprises a slider cavity 12 with a downward opening, and the slider cavity 12 is arranged in the base 11; a slider 13 is slidably disposed in the slider cavity 12; a sucker cavity 14 with a downward opening is arranged in the slider 13 in a horizontal penetrating manner; belt wheel shafts 15 are rotatably disposed in the slider 13 in a bilateral symmetry manner; belt wheels 16 are fixedly connected to the belt wheel shafts 15; a connection belt 17 is connected between the belt wheels 16 on both sides; first torsional springs 30 are fixedly connected between front and back ends of the belt wheels 16 and front and back inner walls of the sucker cavity 14 respectively; four rows of sucker groups 101 are distributed on the connection belt 17 in a back-forth linear manner and are fixedly connected to the connection belt 17; the sucker groups 101 comprise fourteen of suckers 18 which are distributed in a linear array along the connection belt 17; a lower threaded hole 19 with an upward opening is arranged in the slider 13; a lower rotary wheel 21 is rotatably disposed on an upper side of the base 11; a short screw 20 is fixedly connected with a lower end of the lower rotary wheel 21; the short screw 20 extends into the lower threaded hole 19 and is in threaded connection with the lower threaded hole 19; a connection block 23 is rotationally connected to an upper end of the lower rotary wheel 21; an upper rotary wheel 22 is rotationally connected to an upper end of the connection block 23; a long screw 27 is fixedly connected to an upper end of the upper rotary wheel 22; an upper end of the long screw 27 is connected to the damping device 102 ; the case body 24 is rotationally connected to the long screw 27; a lower end of the base 11 is abutted against a placed plane; the lower rotary wheel 21 is rotated, and the slider 13 is driven by the short screw 20 to slide downward, so that the lower suckers 18 are extruded and adsorbed to the plane; and the upper rotary wheel 22 is rotated so as to drive the damping device 102.

[0013] Advantageously, the damping device 102 comprises a case cavity 25 with an upward opening; the case cavity 25 is arranged in the case body 24; a mounting block 28 is slidably disposed in the case cavity 25; an upper threaded hole 29 with a downward opening is arranged in the mounting block 28; the upper end of the long screw 27 is introduced into and is in threaded connection with the upper threaded hole 29; connection springs 26 are fixedly connected between a lower end of the mounting block 28 and an inner wall of a lower side of the case cavity 25 in the bilateral symmetry manner; rotary plate cavities 31 with openings in opposite directions are arranged in the mounting block 28 in a front-back symmetry manner; rotary plates 37 are rotatably disposed in the rotary plate cavities 31; cantilever shafts 33 are fixedly connected in the rotary plates 37; ends of the cantilever shafts 33 are rotationally connected to positions on inner walls of sides close to centers of the rotary plate cavities 31; receiving cavities 38 with openings in opposite directions are arranged in the rotary plates 37 of front and back ones respectively; connection shafts 34 are fixedly connected to position on inner walls of one sides close to centers of the receiving cavities 38; glass plates 32 are rotationally connected to one ends away from the centers of the connection shafts 34; shaft holes 35 which are penetrated back and forth are arranged in the connection shafts 34; the shaft holes 35 are penetrated through the glass plates 32; the cantilever shafts 33 are penetrated through the shaft holes 35; second torsional springs 36 are fixedly connected to inner walls of one sides close to the centers of the receiving cavities 38 and one ends close to the centers of the glass plates 32; the upper rotary wheel 22 is rotated to drive the mounting block 28 to lift upward; and when the drop-resistant contact lenses case drops, the rotary plates 37 can drive the connection shafts 34 to rotate and drive the second torsional springs 36 to perform torsion at the same time, and vibration during dropping is reduced under an elasticity effect of the second torsional springs 36.

[0014] Advantageously, two of fixed rods 39 are fixedly connected between inner walls of upper and lower sides of each of the receiving cavities 38; the fixed rods 39 are in bilateral symmetry relatively to each of the connection shafts 34; upper pressing plates 41 and lower pressing plates 42 are slidably disposed on the fixed rods 39; communicating holes 44 which are penetrated up and down are arranged in the upper pressing plates 41 and the lower pressing plates 42; the fixed rods 39 are penetrated through the communicating holes 44; compression springs 45 are fixedly connected between the upper pressing plates 41 and the lower pressing plates 42; upper springs 46 are fixedly connected between upper ends of the upper pressing plates 41 and inner walls of upper sides of the receiving cavities 38; lower springs 40 are fixedly connected between lower ends of the lower pressing plates 42 and inner walls of lower sides of the receiving cavities 38; lenses grooves 43 with upward openings are arranged in the lower pressing plates 42; lower ends of the upper pressing plates 41 can extend into the lenses grooves 43; and the upper pressing plates 41 and the lower pressing plates 42 are pulled open, then lenses are put in the lenses grooves 43 and are clamped by the compression springs 45, and vibration during dropping is reduced under an elasticity effect of the lower springs 40 and the upper springs 46 when the drop-resistant contact lenses case drops.

[0015] When the drop-resistant contact lenses case is used, the lower end of the base 11 is abutted against the placed plane, and the lower rotary wheel 21 is rotated, and the slider 13 is driven by the short screw 20 to slide downward, so that the suckers 18 of lower onesare extruded and are adsorbed to the plane, then transverse sliding of the device is weakened through adsorption force between the suckers 18 and the plane as well as elastic force of the first torsional springs 30, and the device can be avoided from dropping; when the device drops, the rotary plates 37 can drive the connection shafts 34 to rotate and drives the second torsional springs 36 to perform torsion at the same time, and during dropping is reduced under the elasticity effect of the second torsional springs 36 and the vibration during dropping can also be reduced under the elasticity effect of the lower springs 40 and the upper springs 46 at the same time; when the lenses need to be stored and taken, the upper rotary wheel 22 is rotated to drive the mounting block 28 to lift upward, and the glass plates 32 are pulled out, then the rotary plates 37 are pulled out through the connection shafts 34, at the time, the upper pressing plates 41 and the lower pressing plates 42 are pulled open, and the lenses can be put in the lenses grooves 43 and are clamped by the compression springs 45.

[0016] The invention has the advantageous effects that the drop-resistant contact lenses case is simple in structure and convenient to operate; the device can be avoided from being touched to drop by adsorbing the suckers and the first torsional springs to the plane; and when the device drops, the vibration during the dropping are weakened through the second torsional springs and the springs, and the lenses are avoided from being damaged.

[0017] It is clear to those skilled in the art that various variants of the above embodiments can be made without departing from the general spirit and conception of the present invention. All of them fall within the scope of protection of the present invention. The protection scheme of the invention is based on the claim attached to the invention.

Claims

1. A drop-resistant contact lenses case, comprising:

a base;

an adsorption device disposed in the base;

a case body disposed on an upper side of the base;

a damping device disposed in the case body;

the adsorption device which comprises a slider cavity with a downward opening, and the slider cavity arranged in the base;

a slider slidably disposed in the slider cavity;

a sucker cavity with a downward opening arranged in the slider in a horizontal penetrating manner;

belt wheel shafts rotatably disposed in the slider in a bilateral symmetry manner;

belt wheels 16 fixedly connected to the belt wheel shafts;

a connection belt connected between the belt wheels on both sides;

first torsional springs fixedly connected between front and back ends of the belt wheels and front and back inner walls of the sucker cavity respectively;

four rows of sucker groups distributed on the connection belt in a back-forth linear manner and fixedly connected to the connection belt;

the sucker groups which comprise fourteen of suckers which are distributed in a linear array along the connection belt; a lower threaded hole with an upward opening arranged in the slider; a lower rotary wheel rotatably disposed on an upper side of the base; a short screw fixedly connected with a lower end of the lower rotary wheel; the short screw which extends into the lower threaded hole and is in threaded connection with the lower threaded hole; a connection block rotationally connected to an upper end of the lower rotary wheel; an upper rotary wheel rotationally connected to an upper end of the connection block; a long screw fixedly connected to an upper end of the upper rotary wheel; an upper end of the long screw connected to the damping device; the case body rotationally connected to the long screw; a lower end of the base abutted against a placed plane; whereby the lower rotary wheel is rotated, and the slider is driven by the short screw to slide downward, so that the lower suckers are extruded and adsorbed to the plane, and the upper rotary wheel is rotated so as to drive the damping device; wherein the damping device comprises a case cavity with an upward opening; the case cavity is arranged in the case body; a mounting block is slidably disposed in the case cavity; an upper threaded hole with a downward opening is arranged in the mounting block; the upper end of the long screw is introduced into and is in threaded connection with the upper threaded hole; connection springs are fixedly connected between a lower end of the mounting block and an inner wall of a lower side of the case cavity in the bilateral symmetry manner; rotary plate cavities with openings in opposite directions are arranged in the mounting block in a front-back symmetry manner; rotary plates are rotatably disposed in the rotary plate cavities; cantilever shafts are fixedly connected in the rotary plates; ends of the cantilever shafts are rotationally connected to positions on inner walls of sides close to centers of the rotary plate cavities; receiving cavities with openings in opposite directions are arranged in the rotary plates of front and back ones respectively; connection shafts are fixedly connected to position on inner walls of one sides close to centers of the receiving cavities; glass plates are rotationally connected to one ends away from the centers of the connection shafts; shaft holes which are penetrated back and forth are arranged in the connection shafts; the shaft holes are penetrated through the glass plates; the cantilever shafts are penetrated through the shaft holes; second torsional springs are fixedly connected to inner walls of one sides close to the centers of the receiving cavities and one ends close to the centers of the glass plates; the upper rotary wheel is rotated to drive the mounting block to lift upward; whereby when the drop-resistant contact lenses case drops, the rotary plates can drive the connection shafts to rotate and drive the second torsional springs to perform torsion at the same time, and vibration during dropping is reduced under an elasticity effect of the second torsional springs; wherein two of fixed rods are fixedly connected between inner walls of upper and lower sides of each of the receiving cavities; the fixed rods are in bilateral symmetry relatively to each of the connection shafts; upper pressing plates and lower pressing plates are slidably disposed on thefixed rods; communicating holes which are penetrated up and down are arranged in the upper pressing plates and the lower pressing plates; the fixed rods are penetrated through the communicating holes; compression springs are fixedly connected between the upper pressing plates and the lower pressing plates; upper springs are fixedly connected between upper ends of the upper pressing plates and inner walls of upper sides of the receiving cavities; lower springs are fixedly connected between lower ends of the lower pressing plates and inner walls of lower sides of the receiving cavities; lenses grooves with upward openings are arranged in the lower pressing plates; lower ends of the upper pressing plates can extend into the lenses grooves; whereby the upper pressing plates and the lower pressing plates are pulled open, then lenses are put in the lenses grooves and are clamped by the compression springs, and vibration during dropping is reduced under an elasticity effect of the lower springs and the upper springs when the drop-resistant contact lenses case drops.