CN212574850U

CN212574850U - Eye sight is with examining shadow mirror

Info

Publication number: CN212574850U
Application number: CN202020356621.4U
Authority: CN
Inventors: 彭引
Original assignee: Chengdu Polytechnic
Current assignee: Chengdu Polytechnic
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2021-02-23
Anticipated expiration: 2030-03-20

Abstract

The utility model discloses an eye looks light is with examining shadow mirror relates to and examines shadow mirror technical field, specifically is an eye looks light is with examining shadow mirror, including fixed station, drive case, the top fixed mounting of fixed station has the support, and the inside movable mounting of support has the drive worm wheel, the top fixed mounting of fixed station has the worm cover, and the internal thread of worm cover has cup jointed the drive worm, the top movable mounting of drive worm has spacing. This sight is with examining shadow mirror, thereby the height of adjusting spacing through the drive worm that rotating drive worm wheel drove both sides rotates, adapts to the person being detected of different heights, and spacing can support being detected person's head simultaneously, reduces the tired degree that detects for a long time, fixes being detected person's head through the constraint area simultaneously, prevents to receive the light stimulation that detects, and it removes to take place to detect person's eye, influences and detects the accuracy.

Description

Eye sight is with examining shadow mirror

Technical Field

The utility model relates to a shadow scope technical field specifically is a light is looked with shadow scope to eye.

Background

The inspection mirror is an instrument for measuring ametropia and astigmatism axis of human eyes, wherein an optical system provided with filament illumination imaging is used for objectively measuring the refraction state of eyeballs, the inside of the eyeballs are illuminated by the inspection mirror, light rays are reflected back from retinas, the reflected light rays are changed through the diopter of the eyeballs, and the refraction state of the eyeballs can be judged by checking the change of the reflected light rays.

The film viewer is used with the matched detection equipment, the existing inspection mode is that the detected person closes the eyes to the auxiliary equipment and keeps the eyes still, the existing part of the auxiliary equipment is usually fixed and needs to adapt to the height of the auxiliary equipment, the detected person is easy to fatigue for long-time detection, in addition, the existing auxiliary equipment has no specific fixing device, when the detected person is stimulated by the light of the film viewer, the eye position is easy to shift, the detection result is inaccurate, in addition, the existing film viewer is usually detected by the hand of the detected person when in work, the inspection person needs to observe the reflected light reflected from the small pupil of the detected person at the detection distance of 50cm to 67cm, therefore, the reflected light is difficult to observe, especially, the reflected light is difficult to observe under the condition that the pupil of the detected person is small, thereby the eye fatigue of the inspection person is increased, in the case of an elderly or visually impaired examiner, there is a problem that it is difficult to perform an accurate examination.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a light is looked with examining shadow mirror has the stability that improves, improves and detects the accuracy, reduces advantages such as the detection degree of difficulty, has solved the problem that proposes among the above-mentioned background art.

(II) technical scheme

For improve above the realization stability, improve and detect the accuracy, reduce the detection difficulty purpose, the utility model discloses a following technical scheme realizes: the utility model provides an eye sight is with examining shadow mirror, includes fixed station, drive case, the top fixed mounting of fixed station has the support, and the inside movable mounting of support has the drive worm wheel, the top fixed mounting of fixed station has the worm cover, and the inside screw thread of worm cover has cup jointed the drive worm, the top movable mounting of drive worm has spacing, the side fixed mounting of spacing has the constraint area, the left side fixed mounting at fixed station top has the fixing base, and the inside movable mounting of fixing base has adjusting gear, adjusting gear's bottom fixed mounting has the swiveling wheel, adjusting gear's top activity has cup jointed clamping screw, the side of fixing base is seted up with fixing base matched with regulation rack, clamping frame has been cup jointed in fixing screw's outside activity, and clamping screw's screw thread has cup jointed the scroll cover, auxiliary detection frame has been cup jointed in fixing screw's outside activity, the middle part of the top end of the driving box is movably provided with an inspection mirror main body.

Preferably, two worm sleeves are fixedly mounted on two sides of the support, driving worms are sleeved on the inner portions of the two worm sleeves in a threaded manner, the outer edges of the driving worms are meshed with driving worm wheels, and hand wheels penetrating through the front face of the support are fixedly sleeved on the front face of the driving worm wheels.

Preferably, a through groove matched with the adjusting gear and the rotating wheel is formed in the fixing seat, and the outer edge of the adjusting gear in the fixing seat is meshed with the adjusting rack.

Preferably, the threaded hole matched with the fixing screw rod is formed in the spiral sleeve, the clamping frame is in an inverted U shape, and the left side of the auxiliary detection frame and the spiral sleeve are located in the clamping frame.

Preferably, the driving box is located on the back of the fixed table and fixedly connected with the fixed table through a connecting rod, and the distance between the main body of the inspection mirror on the top of the driving box and the limiting frame is fifty-sixty-seven centimeters.

Preferably, the top of the driving box is fixedly provided with fixed connecting rods positioned at two sides of the main body of the inspection mirror, and the top of each fixed connecting rod is movably provided with light blocking cloth.

(III) advantageous effects

The utility model provides a sight is with examining shadow mirror possesses following beneficial effect:

1. this sight is with examining shadow mirror, thereby the height of spacing is adjusted in the rotation of the drive worm that drives both sides through rotating drive worm wheel, adapt to the person being detected of different heights, spacing can support being detected the person's head simultaneously, reduce the tired degree that detects for a long time, it is fixed to being detected the person's head through the constraint area simultaneously, prevent to receive the light stimulation that detects, it removes to take place to detect person's eye, the influence detects the accuracy, fix being detected person's eye position through spacing and constraint area, further improve stability and the accuracy that detects.

2. This sight is with examining shadow mirror, along the supplementary testing stand of clamping screw rotating, the position of supplementary testing stand of adjustment and eye, the rotating swiveling wheel drives adjusting gear and rotates simultaneously, because the inside regulation rack that has seted up of fixing base, and then make adjusting gear at the inside back-and-forth movement of fixing base, drive the clamping screw and the supplementary testing stand back-and-forth movement at adjusting gear top, the supplementary best position apart from the eye of testing stand of adjustment, the accuracy of detection has further been improved, and simultaneously, it detects to be detected person's eye to drive through the drive case and examine the sight glass main part, it detects to have solved to hand through the person who detects in the past, and high labor strength, and to the higher problem of person's eyesight requirement, the accuracy of detection and the degree of difficulty of detection have further been improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the improved bracket of the present invention;

fig. 3 is a schematic view of the auxiliary fixing structure of the present invention.

In the figure: 1. a fixed table; 2. a support; 3. a drive worm gear; 4. a worm sleeve; 5. a drive worm; 6. a limiting frame; 7. a binding belt; 8. a fixed seat; 9. adjusting the rack; 10. an adjusting gear; 11. a rotating wheel; 12. a clamping frame; 13. a spiral sleeve; 14. fixing the screw rod; 15. an auxiliary detection frame; 16. a drive box; 17. fixing the connecting rod; 18. and (4) inspecting the mirror body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 3, the present invention provides a technical solution: a sight glass comprises a fixed platform 1 and a driving box 16, wherein a bracket 2 is fixedly arranged at the top of the fixed platform 1, a driving worm wheel 3 is movably arranged in the bracket 2, a worm sleeve 4 is fixedly arranged at the top of the fixed platform 1, two worm sleeves 4 are fixedly arranged at two sides of the bracket 2, driving worms 5 are sleeved in the two worm sleeves 4 in a threaded manner, the outer edges of the two driving worms 5 are mutually meshed with the driving worm wheel 3, a hand wheel penetrating through the front surface of the bracket 2 is fixedly sleeved on the front surface of the driving worm wheel 3, the driving worm wheels 3 are rotated to drive the driving worms 5 at two sides to rotate, a limiting frame 6 is driven to move, so that the limiting frame 6 reaches the height most suitable for a detected person, the limiting frame 6 is adjusted and supported through the two worm sleeves 4 and the driving worm 5, the stability of the limiting frame 6 is ensured, and the probability that the limiting frame 6 is damaged under the action of gravity is reduced, the service life of the adjusting device is further prolonged, the head and the eyes of a patient are fixed through the limiting frame 6 and the binding belt 7 on the right side of the limiting frame 6, the problem that the eyes of the patient are affected by the stimulation of the detection light is solved, the detection accuracy is further improved, the driving worm 5 is sleeved on the internal thread of the worm sleeve 4, the limiting frame 6 is movably installed at the top of the driving worm 5, the binding belt 7 is fixedly installed on the side surface of the limiting frame 6, the fixing seat 8 is fixedly installed on the left side of the top of the fixing table 1, the adjusting gear 10 is movably installed inside the fixing seat 8, the rotating wheel 11 is fixedly installed at the bottom of the adjusting gear 10, the through groove matched with the adjusting gear 10 and the rotating wheel 11 is formed in the fixing seat 8, the outer edge of the adjusting gear 10 in the fixing seat 8 is meshed with the adjusting rack 9, the adjusting gear 10 and the fixing screw 14 on the top of the adjusting gear 10, thereby driving the auxiliary detection frame 15 to move back and forth, enabling the auxiliary detection frame 15 to reach the position most suitable for the eyes of the detected person, improving the detection accuracy, movably sleeving a fixed screw 14 on the top of an adjusting gear 10, arranging an adjusting rack 9 matched with the fixed seat 8 on the side edge of the fixed seat 8, movably sleeving a clamping frame 12 on the outer part of the fixed screw 14, sleeving a spiral sleeve 13 on the thread of the fixed screw 14, arranging a threaded hole matched with the fixed screw 14 in the spiral sleeve 13, enabling the clamping frame 12 to be in an inverted U shape, enabling the left side of the auxiliary detection frame 15 and the spiral sleeve 13 to be positioned in the clamping frame 12, driving the clamping frame 12 on the outer part of the spiral sleeve 13 and the auxiliary detection frame 15 to move up and down by rotating the spiral sleeve 13, further adjusting the position of the auxiliary detection frame 15, enabling the auxiliary detection frame 15 to reach the optimal detection position, and further improving the detection accuracy, meanwhile, the U-shaped clamping frame 12 ensures that the spiral sleeve 13 can drive the clamping frame 12 and the auxiliary detection frame 15 in the clamping frame 12 to move up and down while rotating, thereby ensuring the effectiveness of the adjusting device, the auxiliary detection frame 15 is movably sleeved outside the fixing screw 14, the middle part of the top end of the driving box 16 is movably provided with the inspection mirror main body 18, the driving box 16 is positioned at the back of the fixed station 1, the driving box 16 is fixedly connected with the fixed station 1 through the connecting rod, the distance value between the inspection mirror main body 18 at the top of the driving box 16 and the limit frame 6 is between fifty cm and sixty seven cm, the inspection mirror main body 18 at the top is driven by the driving box 16 to extend up and down and rotate to detect the eye part of the detected person, the fatigue degree of long-time hand-held detection is reduced, meanwhile, the problem that the requirement on the vision of the detected person is higher in the past is solved, and the detection accuracy is further, the top fixed mounting of drive box 16 has the fixed link 17 that is located inspection mirror main part 18 both sides, and the top movable mounting of fixed link 17 has the cloth that is in the light, and the cloth that is in the light that detects the messenger at fixed link 17 top pulls open, shelters from external light source, reduces the influence of external light source to the person's of detection eye, further improves the accuracy that detects, has reduced the probability that the mistake appears when detecting, and then has improved work efficiency.

In conclusion, when the eye sight shadow scope is used, according to the height of a detected person, the worm wheel 3 is rotated to drive the driving worms 5 on the two sides to rotate to drive the limiting frame 6 to move up and down, so that the limiting frame 6 reaches the height which is most suitable for the detected person, the wellhead part of the detected person is placed above the limiting frame 6 and is fixed by the binding belt 7, the rotating wheel 11 is rotated to drive the adjusting gear 10 and the fixing screw 14 on the top of the adjusting gear 10 to move, so that the auxiliary detecting frame 15 outside the fixing screw 14 reaches the optimal position of the eye part of the detected person, the screw sleeve 13 is rotated to drive the clamping frame 12 and the auxiliary detecting frame 15 to move up and down, the optimal position of the auxiliary detecting frame 15 is further adjusted, the detection accuracy is improved, the light blocking cloth outside light source is pulled, the driving box 16 drives the detecting mirror main body 18 to rotate up and down, left and right to detect the eye part of the detected person, and uploading the data to a computer for processing.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a sight is with inspection mirror, includes fixed station (1), drive case (16), its characterized in that: the top of the fixed table (1) is fixedly provided with a support (2), the inside of the support (2) is movably provided with a driving worm wheel (3), the top of the fixed table (1) is fixedly provided with a worm sleeve (4), the internal thread of the worm sleeve (4) is sleeved with a driving worm (5), the top of the driving worm (5) is movably provided with a limiting frame (6), the side surface of the limiting frame (6) is fixedly provided with a binding belt (7), the left side of the top of the fixed table (1) is fixedly provided with a fixed seat (8), the inside of the fixed seat (8) is movably provided with an adjusting gear (10), the bottom of the adjusting gear (10) is fixedly provided with a rotating wheel (11), the top of the adjusting gear (10) is movably sleeved with a fixed screw rod (14), the side edge of the fixed seat (8) is provided with an adjusting rack (9) matched with the fixed seat (, the external movable sleeve joint of clamping frame (12) of clamping screw (14), and the screw thread of clamping screw (14) cup joints spiral shell (13), the external movable sleeve joint of clamping screw (14) has supplementary test rack (15), the middle part movable mounting on drive box (16) top has inspection mirror main part (18).

2. An ophthalmoscope according to claim 1, wherein: two worm covers (4) are fixedly mounted on two sides of the support (2), a driving worm (5) is sleeved on the inner equal threads of the two worm covers (4), the outer edge of the driving worm (5) is meshed with the driving worm wheel (3), and a hand wheel penetrating through the front face of the support (2) is fixedly sleeved on the front face of the driving worm wheel (3).

3. An ophthalmoscope according to claim 1, wherein: the inside of fixing base (8) is seted up and is run through the groove with adjusting gear (10), swiveling wheel (11) matched with, the outer edge of fixing base (8) inside adjusting gear (10) and regulation rack (9) intermeshing.

4. An ophthalmoscope according to claim 1, wherein: threaded holes matched with the fixing screw rods (14) are formed in the spiral sleeve (13), the clamping frame (12) is in an inverted U shape, and the left side of the auxiliary detection frame (15) and the spiral sleeve (13) are located in the clamping frame (12).

5. An ophthalmoscope according to claim 1, wherein: the driving box (16) is located on the back face of the fixed table (1), the driving box (16) is fixedly connected with the fixed table (1) through a connecting rod, and the distance value between the main body (18) of the visual mirror at the top of the driving box (16) and the limiting frame (6) is fifty-sixty-seven centimeters.

6. An ophthalmoscope according to claim 1, wherein: the top of the driving box (16) is fixedly provided with fixed connecting rods (17) positioned at two sides of the inspection mirror main body (18), and the top of each fixed connecting rod (17) is movably provided with light blocking cloth.