CN213488745U - Anti-cheating device for testing eyesight of children - Google Patents

Abstract

The utility model provides a children test eyesight anti-cheating device, includes picture frame and occlusion part, occlusion part is connected with picture frame detachably, and occlusion part includes two regulating diaphragms, and the regulating diaphragm is opaque material, and two eye frames and the mirror leg that the picture frame set up about including, two regulating diaphragms are located outside two eye frames respectively, wear during the test the utility model discloses a picture frame when the vision of certain eye of needs test, shelters from another eye socket with the regulating diaphragm in order to shelter from another eye, and the regulating diaphragm is opaque material for another eye can not see the place ahead, shelters from the sight completely, cheats when effectively preventing the test.

Description

Anti-cheating device for testing eyesight of children

Technical Field

The utility model relates to an eyesight test field specifically is a device of practising fraud is prevented to children's test eyesight.

Background

When the eyesight test is carried out, under the condition of ensuring sufficient light, the tester stands at a position three meters or five meters away from a standard eyesight table, the row with the height of 1.0 of the eyesight table hanger is at the same level with the position of the eyes of the tester, the palm blocks one eye respectively, and the tester points to a certain mark symbol to let the tester tell the direction pointed by the tester or the opening direction, but when the tester wants to cheat, the eyes are not completely shielded so as to cheat and pass the pass.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a children test eyesight anti-cheating device wears during the test the utility model discloses a picture frame, the eye frame is equipped with the adjustment sheet outward, when the eyesight of a certain eyes is tested to needs, shelters from another eye socket with the adjustment sheet in order to shelter from another eyes, and the adjustment sheet is light-tight material for the place ahead can not be seen to another eyes, shelters from the sight completely, cheats during the effective test that prevents, and the adjustment sheet has one section distance apart from eyes, can not extrude and oppress eyes.

In order to achieve the purpose of the invention, the utility model adopts the following technical scheme:

the utility model provides a device of practising fraud is prevented to children's test eyesight, includes picture frame and occlusion part, and occlusion part is connected with picture frame detachably, and occlusion part includes two flaps, and the flap is opaque material, and two eye framves and the mirror leg that the picture frame set up about including, and two flaps are located outside two eye framves respectively.

The shielding part further comprises a fixing clamp and a connecting rod, the fixing clamp is used for being connected with the glasses frame and fixed in the middle of the connecting rod, and the two adjusting pieces are rotatably connected with the two ends of the connecting rod.

The connecting rod both sides are equipped with the step respectively, and the connecting rod both sides still are equipped with the fixed column that prevents the adjustment sheet slippage.

The adjusting sheet is provided with a connecting sleeve, the mirror frame is provided with a connecting column matched with the connecting sleeve, and the connecting sleeve and the connecting column are rotatably connected.

The eye frame is provided with an arc-shaped strip-shaped clamping groove, the strip-shaped clamping groove is fixed on the eye socket, and the shape of the strip-shaped clamping groove is matched with that of the adjusting sheet.

Compared with the prior art, the children vision testing anti-cheating device adopting the technical scheme has the following beneficial effects:

adopt the utility model discloses a device of practising fraud is prevented to children's test eyesight, wear the picture frame during the test, when the eyesight of a certain eyes need be tested, shelter from another eye socket with the regulating plate in order to shelter from the sight of another eyes, the regulating plate is light-tight material for the place ahead can not be seen to another eyes, shelters from the sight completely, practises fraud when effectively preventing the test.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of a device for testing eyesight of children to prevent cheating.

Fig. 2 is an enlarged view of fig. 1 at a.

Fig. 3 is a schematic structural view of a second embodiment of the device for testing eyesight of children for preventing cheating.

Fig. 4 is an enlarged view of fig. 3 at B.

Reference numerals: 1. a mirror frame; 11. an eye frame; 12. a temple; 13. connecting columns; 14. a strip-shaped clamping groove. 2, a shielding part; 21. a regulating sheet; 210. connecting sleeves; 22. a fixing clip; 23. a connecting rod; 230. a step; 231. and (5) fixing the column.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The first embodiment is as follows:

as shown in fig. 1 to 2, a children test eyesight anti-cheating device, including picture frame 1 and occlusion part 2, occlusion part 2 is connected with picture frame 1 detachably, and occlusion part 2 includes two regulating blades 21, and regulating blade 21 is opaque material, and picture frame 1 is including controlling two eye frames 11 and the mirror leg 12 that sets up, and two regulating blades 21 are located outside two eye frames 11 respectively, wear during the test the utility model discloses a picture frame 1, eye frame 11 are equipped with regulating blade 21 outward, and when the eyesight of a certain eyes need to be tested, shelters from another eye socket with regulating blade 21 in order to shelter from another eyes, and regulating blade 21 is opaque material for another eyes can not see the place ahead, shelters from the sight completely, cheats during effectively preventing the test, and regulating blade 21 has one section distance apart from eyes, can not extrude and oppress eyes, makes the test accurate.

Occlusion part 2 still includes fixation clamp 22 and the connecting rod 23 that is used for being connected with picture frame 1, fixation clamp 22 is fixed at connecting rod 23 middle part, two adjustment tabs 21 rotatably are connected with connecting rod 23 both ends, connecting rod 23 both sides are equipped with step 230 respectively, connecting rod 23 both sides still are equipped with the fixed column 231 that prevents the adjustment tab 21 slippage, when needing the eyesight test, fixation clamp 22 is fixed on picture frame 1, adjustment tab 21 rotatably is connected with connecting rod 23, when testing left eye eyesight, upwards overturn the adjustment tab 21 on the left side, the adjustment tab 21 on the right is located two eye frames 11 and shelters from the eyesight of the right eye outward, vice versa when testing right eye eyesight.

The use process comprises the following steps:

1. when needing eyesight test, the fixing clip 22 is fixed on the spectacle frame 1, the adjusting piece 21 is rotatably connected with the connecting rod 23,

2. when testing left eye eyesight, upwards overturn the adjustment sheet 21 on the left, the adjustment sheet 21 on the right is located outside two eye frames 11, and adjustment sheet 21 is light-tight material, can shelter from the sight of right eye completely, cheats when effectively preventing the test, otherwise when testing right eye eyesight.

Example two:

the difference between the first embodiment and the second embodiment lies in the shielding part 2, as shown in fig. 3 to 4, the adjusting sheet 21 is provided with the connecting sleeve 210, the lens frame 1 is provided with the connecting post 13 matched with the connecting sleeve 210, the connecting sleeve 210 is rotatably connected with the connecting post 13, the eye frame 11 is provided with the arc-shaped strip-shaped clamping groove 14, the strip-shaped clamping groove 14 is fixed on the eye socket, the shape of the strip-shaped clamping groove 14 is matched with the adjusting sheet 21, when the vision test is needed, the lens frame 1 is worn, when the left eye vision is tested, the adjusting sheet 21 on the left side is rotated around the connecting post 13, and the adjusting sheet 21 on the right side is clamped with the strip-shaped clamping groove 14 to shield the sight of the right.

The above description is a preferred embodiment of the present invention, and a person skilled in the art can make several modifications and improvements without departing from the principles of the present invention, and these should also be regarded as the protection scope of the present invention.

Claims (1)

1. The utility model provides a device of practising fraud is prevented to children's test eyesight, including picture frame (1) and occlusion part (2), occlusion part (2) are connected with picture frame (1) detachably, occlusion part (2) include two adjustment tabs (21), adjustment tab (21) are lighttight material, picture frame (1) are including controlling two eye frames (11) and mirror leg (12) that set up, two adjustment tabs (21) are located two eye frames (11) respectively outside, be equipped with adapter sleeve (210) on adjustment tab (21), be equipped with on picture frame (1) with adapter sleeve (210) assorted spliced pole (13), adapter sleeve (210) rotationally are connected with spliced pole (13), be equipped with curved strip draw-in groove (14) on eye frame (11), strip draw-in groove (14) are fixed on the eye frame, the shape and the adjustment tab (21) phase-match of strip draw-in groove (14).

Images