CN211409014U

CN211409014U - Vision detection device

Info

Publication number: CN211409014U
Application number: CN201922373126.4U
Authority: CN
Inventors: 高伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-09-04
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses an eyesight detection device, which comprises a bracket, the top fixedly connected with backup pad of support, the last fixed surface of backup pad is connected with the box, the equal symmetry in both sides that the backup pad is located the support intermediate position has run through two bracing piece poles, the one end of bracing piece runs through the top of box and extends to the outside, the bracing piece is located the box and overlaps in proper order to the one end surface and is equipped with a screw thread section of thick bamboo and roating seat. The utility model discloses in, first knob rotates and drives the bracing piece and reciprocates for the supporting shoe reciprocates, thereby comes the cooperation by examiner's eyes height, rotates the second knob, and the second knob rotates and drives the threaded rod and rotate, thereby moves about the drive supporting shoe, thereby can cooperate the distance between by the person's of inspection both eyes, lets by two eyes of examiner can both see the through-hole.

Description

Vision detection device

Technical Field

The utility model relates to an eyesight detection device technical field especially relates to an eyesight detection device.

Background

For the detection of the eyesight, the world common practice is to detect the eyesight by adopting a standard visual chart, wherein the visual chart is designed according to the principle of visual angles, the visual angles are included angles formed by light rays emitted by two external points through intraocular nodes, and under the normal condition, the visual angle formed by the minimum distance between the two points can be distinguished by human eyes and is the minimum visual angle, namely a partial visual angle;

when the existing ophthalmology is used for manual visual inspection, generally, one hand of a person holds the baffle to block one eye, the other eye is used for reading a symbol for inspection, the other hand is very troublesome to hold the baffle, and when the inspection is carried out, the eyes at the shielding part are often pressed tightly, so that when the eyes shielded before the inspection are used, the eyes can feel blurred, the inspection effect is influenced, and the existing inspection device cannot be adjusted according to the distance between the two eyes of different inspectors when in use, and the inspection result is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a vision detection device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a vision detection device comprises a support, wherein a support plate is fixedly connected to the top of the support, a box body is fixedly connected to the upper surface of the support plate, two support rods symmetrically penetrate through two sides of the support plate, which are located in the middle of the support, one ends of the support rods penetrate through the top of the box body and extend to the outside, a threaded cylinder and a rotary seat are sequentially sleeved on the outer surface of one end of the support rod, the bottom of the rotary seat is fixedly connected with the upper surface of the support plate, the threaded cylinder is in threaded connection with the support rods, the lower end of the threaded cylinder is rotatably connected with the upper surface of the rotary seat, a gear ring is fixedly connected with the outer surface of the threaded cylinder in a sleeved mode, a first rotating shaft is rotatably connected to the position, which is located between the two support rods, in the box body, a first gear is symmetrically connected with the outer surface of, the improved box is characterized in that a second rotating shaft is rotatably connected to the center position inside the box, one end of the second rotating shaft penetrates through the top of the box and extends to the outside, a second gear is sleeved on the outer surface of the second rotating shaft and is respectively meshed with the two first gears, two supporting blocks are arranged at the position, located below the inside of the support, of the supporting plate, a sliding groove is formed in the top of each supporting block, one end of each supporting rod is slidably connected with the corresponding sliding groove, a threaded rod is arranged inside the corresponding sliding groove and penetrates through the corresponding supporting rod and is in threaded connection with the corresponding supporting rod, one end of each threaded rod penetrates through the corresponding supporting block and extends to the outside, a supporting plate is sleeved on the outer surface of the lower end of the support.

As a further description of the above technical solution:

the first rotary knob is fixedly connected to one end, located outside the box body, of the second rotary shaft, and the second rotary knob is fixedly connected to one end, located outside the supporting block, of the threaded rod.

As a further description of the above technical solution:

the upper surface of the first groove is provided with a cotton pad.

As a further description of the above technical solution:

the supporting block is internally provided with a through hole, a plurality of second grooves are formed in two sides of the supporting block, which are positioned in the through hole, and the outer surface of the supporting block is rotatably connected with a baffle.

As a further description of the above technical solution:

and positioning pins connected through threads penetrate through two sides of the supporting plate.

As a further description of the above technical solution:

the surface of the supporting rod is provided with a limiting groove, and a limiting block matched with the limiting groove is arranged in the supporting plate.

The utility model discloses following beneficial effect has:

1. this visual acuity detection device, first knob through setting up, the second pivot, the second gear, first gear, the ring gear, the screw thread section of thick bamboo, the bracing piece, the second knob, threaded rod and supporting shoe, rotate first knob, first knob rotates and drives the second pivot and rotate, the second pivot rotates and drives second gear revolve, the second gear rotates and drives two first gear revolve, thereby first gear revolve drives the ring gear and rotates and drive the screw thread section of thick bamboo and rotate, the screw thread section of thick bamboo rotates, it reciprocates to drive the bracing piece, make the supporting shoe reciprocate, thereby come the cooperation by examinee's eye height, rotate the second knob, the second knob rotates and drives the threaded rod and rotates, thereby it removes to drive the supporting shoe, thereby can cooperate the distance between the two eyes by the examinee, let two eyes by the examinee can both see through-hole.

2. This vision detection device, through layer board, first recess, second recess, the baffle that sets up, the position of adjustment layer board will be placed in first recess by inspector's chin, can fix the head of examining, and the second recess is used for placing the correction mirror, can fix the correction mirror, and the operation of being convenient for rotates the baffle of connecting and can save the manual work and shelter from, has improved the testing result greatly.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a top view of the support block of the present invention;

fig. 3 is a top view of the support rod of the present invention.

Illustration of the drawings:

1. a support; 2. a support plate; 3. a box body; 4. a rotating base; 5. a threaded barrel; 6. a support bar; 7. a ring gear; 8. a first rotating shaft; 9. a first gear; 10. a second rotating shaft; 11. a first knob; 12. a second gear; 13. a support block; 14. a chute; 15. a threaded rod; 16. a second knob; 17. a support plate; 18. a first groove; 19. a cotton pad; 20. positioning pins; 21. a through hole; 22. a second groove; 23. a baffle plate; 24. a limiting groove; 25. and a limiting block.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a vision detection device comprises a support 1, a support plate 2 is fixedly connected to the top of the support 1, a box 3 is fixedly connected to the upper surface of the support plate 2, two support rods 6 symmetrically penetrate through two sides of the support plate 2, which are located in the middle of the support 1, one ends of the support rods 6 penetrate through the top of the box 3 and extend to the outside, a threaded cylinder 5 and a rotary seat 4 are sequentially sleeved on the outer surface of one end of each support rod 6, the bottom of the rotary seat 4 is fixedly connected with the upper surface of the support plate 2, the threaded cylinder 5 is in threaded connection with the support rods 6, the lower end of the threaded cylinder 5 is rotatably connected with the upper surface of the rotary seat 4, a gear ring 7 is fixedly connected to the outer surface of the threaded cylinder 5 in a sleeved mode, a first rotating shaft 8 is symmetrically and rotatably connected to the position, which is located between the two support rods 6, and a first, first gear 9 meshes with ring gear 7 mutually, the inside central point of box 3 puts to rotate and is connected with second pivot 10, the one end of second pivot 10 runs through the top of box 3 and extends to the outside, the surface cover of second pivot 10 is equipped with second gear 12, second gear 12 meshes with two first gear 9 respectively, the position that backup pad 2 is located the inside below of support 1 is equipped with two supporting shoes 13, spout 14 has been seted up at the top of supporting shoe 13, the one end and the spout 14 sliding connection of bracing piece 6, the inside of spout 14 is equipped with threaded rod 15, threaded rod 15 runs through bracing piece 6 and with bracing piece 6 threaded connection, the one end of threaded rod 15 runs through supporting shoe 13 and extends to the outside, the lower extreme surface cover of support 1 is established and is connected with layer board 17, first recess 18 has been seted up to the position that layer board 17 is located support 1.

One end of the second rotating shaft 10, which is positioned outside the box body 3, is fixedly connected with a first knob 11, one end of the threaded rod 15, which is positioned outside the supporting block 13, is fixedly connected with a second knob 16, the first knob 11 is used for rotating the second rotating shaft 10 so as to change the up-down position of the supporting block 13, and the second knob 16 is used for rotating the threaded rod 15 so as to change the left-right position of the supporting block 13; the upper surface of the first groove 18 is provided with a cotton pad 19, and the cotton pad 19 is used for protecting the chin of the person to be inspected; a through hole 21 is formed in the supporting block 13, a plurality of second grooves 22 are formed in the supporting block 13 and positioned on two sides of the through hole 21, a baffle plate 23 is rotatably connected to the outer surface of the supporting block 13, the second grooves 22 are used for placing a correcting mirror, and the baffle plate 23 is used for blocking the through hole 21; positioning pins 20 connected through threads penetrate through two sides of the supporting plate 17, and the positioning pins 20 are used for fixing the supporting plate 17; spacing groove 24 has been seted up to the surface of bracing piece 6, and the inside of backup pad 2 is equipped with spacing groove 24 assorted stopper 25, and spacing groove 24 and stopper 25 are the same with the position of fixed support rod 6, avoid bracing piece 6 to take place to rotate.

The working principle is as follows: when the vision detection device is used, the first knob 11 is rotated to drive the second rotating shaft 10 to rotate, the second rotating shaft 10 is rotated to drive the second gear 12 to rotate, the second gear 12 is rotated to drive the two first gears 9 to rotate, the first gears 9 are rotated to drive the gear ring 7 to rotate so as to drive the threaded cylinder 5 to rotate, the threaded cylinder 5 is rotated to drive the supporting rod 6 to move up and down, so that the supporting block 13 moves up and down, so that the eye height of an examinee is matched, the second knob 16 is rotated to drive the threaded rod 15 to rotate, so that the supporting block 13 is driven to move left and right, so that the distance between two eyes of the examinee can be matched, two eyes of the examinee can both see the through hole 21, the position of the supporting plate 17 is adjusted, the chin of the examinee is placed in the first groove, can fix the unscrambler, the operation of being convenient for rotates baffle 23 of connecting and can save the manual work and shelter from, has improved the testing result greatly.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a vision detection device, includes support (1), its characterized in that: the top fixedly connected with backup pad (2) of support (1), the last fixed surface of backup pad (2) is connected with box (3), the equal symmetry in both sides that backup pad (2) are located support (1) intermediate position runs through two bracing pieces (6), the top of box (3) is run through and extends to the outside to the one end of bracing piece (6), bracing piece (6) are located box (3) and are overlapped in proper order to the one end surface and are equipped with screw thread section of thick bamboo (5) and roating seat (4), the bottom of roating seat (4) is connected with the last fixed surface of backup pad (2), screw thread section of thick bamboo (5) and bracing piece (6) threaded connection, just the lower extreme of screw thread section of thick bamboo (5) is connected with the upper surface rotation of roating seat (4) in proper order, fixedly connected with ring gear (7) is established to the outer surface cover of screw thread section of thick bamboo (5), the equal symmetry in position that the inside of box (3) is located between two bracing pieces 8) The outer surface of the first rotating shaft (8) is sleeved with a first gear (9), the first gear (9) is meshed with the gear ring (7), the center position inside the box body (3) is rotatably connected with a second rotating shaft (10), one end of the second rotating shaft (10) penetrates through the top of the box body (3) and extends to the outside, the outer surface of the second rotating shaft (10) is sleeved with a second gear (12), the second gear (12) is respectively meshed with the two first gears (9), two supporting blocks (13) are arranged at the position, located below the inside of the support (1), of the supporting plate (2), sliding grooves (14) are formed in the tops of the supporting blocks (13), one end of the supporting rod (6) is slidably connected with the sliding grooves (14), threaded rods (15) are arranged inside the sliding grooves (14), and the threaded rods (15) penetrate through the supporting rod (6) and are in threaded connection with the supporting rod (6), one end of the threaded rod (15) penetrates through the supporting block (13) and extends to the outside, a supporting plate (17) is sleeved on the outer surface of the lower end of the support (1), and a first groove (18) is formed in the position, located inside the support (1), of the supporting plate (17).

2. A vision testing device as defined in claim 1, wherein: the second rotating shaft (10) is located at one end outside the box body (3) and is fixedly connected with the first knob (11), and the threaded rod (15) is located at one end outside the supporting block (13) and is fixedly connected with the second knob (16).

3. A vision testing device as defined in claim 1, wherein: the upper surface of the first groove (18) is provided with a cotton pad (19).

4. A vision testing device as defined in claim 1, wherein: through holes (21) are formed in the supporting blocks (13), a plurality of second grooves (22) are formed in the two sides, located in the through holes (21), of the supporting blocks (13), and baffles (23) are rotatably connected to the outer surfaces of the supporting blocks (13).

5. A vision testing device as defined in claim 1, wherein: and positioning pins (20) connected through threads penetrate through two sides of the supporting plate (17).

6. A vision testing device as defined in claim 1, wherein: the outer surface of the supporting rod (6) is provided with a limiting groove (24), and a limiting block (25) matched with the limiting groove (24) is arranged inside the supporting plate (2).