CN213963317U - Vision detection device - Google Patents
Vision detection device Download PDFInfo
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- CN213963317U CN213963317U CN202022359847.2U CN202022359847U CN213963317U CN 213963317 U CN213963317 U CN 213963317U CN 202022359847 U CN202022359847 U CN 202022359847U CN 213963317 U CN213963317 U CN 213963317U
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Abstract
A vision detection device comprises a first shell, a first sliding piece, a second sliding piece, a first rotating support and a first connecting piece, wherein a first motor is arranged at the top of the first shell; the output end of the first motor is connected with the bidirectional screw rod; the bidirectional screw rod is rotationally connected with the first rotating bracket; the first rotating bracket is connected with the first shell; the first sliding piece is provided with an internal thread; the first sliding piece is in threaded connection with the bidirectional screw rod; the first sliding piece is connected with the first shell in a sliding manner; the second sliding piece is provided with an internal thread; rotate the distance that can change first observation window and second observation window effectively through control motor, accurately calculate user's interpupillary distance to in better detection user's eyesight, it can improve user's comfort level to be equipped with the buffer layer on the support piece, the lens groove before the observation window can effectual quick replacement lens, with confirm user's true eyesight level, can scramble alphabetical direction on the carousel fast through the handle, practiced thrift the time of changing the visual chart, improved detection efficiency.
Description
Technical Field
The utility model relates to an eyesight detection 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
Objects of the invention
For solving the technical problem that exists among the background art, the utility model provides an eyesight detection device, the utility model discloses simple structure is easy and simple to handle, can change the interpupillary distance size through the motor to adapt to more users and use, improved the practicality of this device, rotatable eyesight detection table has reduced the time of spending when changing, can easily be in disorder with the eyesight table letter through rotating the handle, has improved detection efficiency, has reduced the replacement cost.
(II) technical scheme
The utility model provides a vision detection device, which comprises a first shell, a bidirectional screw rod, a first sliding part, a second sliding part, a first rotating bracket, a first connecting part, a second connecting part, a first observation window, a second observation window, a screw rod, a third sliding part, a third connecting part, a supporting part, a fourth connecting part, a telescopic rod, a first lens groove, a second lens groove, a first supporting column, a first turntable, a first belt pulley, a first rotating shaft, a second turntable, a second belt pulley, a third rotating shaft and a handle;
the top of the first shell is provided with a first motor; the output end of the first motor is connected with the bidirectional screw rod; the bidirectional screw rod is rotationally connected with the first rotating bracket; the first rotating bracket is connected with the first shell; the first sliding piece is provided with an internal thread; the first sliding piece is in threaded connection with the bidirectional screw rod; the first sliding piece is connected with the first shell in a sliding manner; the second sliding piece is provided with an internal thread; the second sliding piece is in threaded connection with the bidirectional screw rod; the second sliding piece is connected with the first shell in a sliding manner; the bottom of the first sliding part is connected with a first connecting piece; one end of the first connecting piece, which is back to the first sliding piece, is connected with the first observation window; the second sliding part is connected with the second connecting part; one end of the second connecting piece, which is far away from the second sliding piece, is connected with the second observation window; the first connecting piece is connected with the first shell in a sliding manner; the second connecting piece is connected with the first shell in a sliding manner; the first shell is provided with a first motor; the output end of the second motor is connected with the screw rod; an internal thread is arranged on the third sliding part; the third sliding part is in threaded connection with the screw rod; the third sliding part is connected with the first shell in a sliding manner; the third sliding part is connected with the third connecting part; one end of the third connecting piece, which is far away from the third sliding piece, is connected with the supporting piece; the third connecting piece is connected with the first shell in a sliding way; one side of the supporting piece, which is back to the third connecting piece, is connected with the fourth connecting piece; the fourth connecting piece is connected with the first shell in a sliding way; the fourth connecting piece is connected with the telescopic rod; one end of the telescopic rod, which is far away from the fourth connecting piece, is connected with the first shell; a fifth connecting piece is arranged on the first observation window; the fifth connecting piece is connected with the first lens groove and the second lens groove; the first lens groove and the second lens groove are positioned in front of the first observation window; a second shell is arranged in front of the first shell; the first support column is connected with the second shell; the first rotating disc is rotatably connected with the first supporting column through a first rotating shaft; the first rotating disc is connected with the first belt pulley through a first belt; a second support column is arranged on the second shell; the second turntable is rotatably connected with the second support column through a second rotating shaft; the second turntable is connected with a second belt pulley through a second belt; the first belt pulley and the second belt pulley are connected with a third belt pulley through a third belt; the third belt pulley is rotatably connected with the second shell through a third rotating shaft; the third belt pulley is connected with the handle.
Preferably, a sliding block is arranged on the first sliding part, a sliding rail is arranged on the first shell, and the sliding block is connected with the sliding rail in a sliding mode.
Preferably, the second sliding part is provided with a sliding block, the first shell is provided with a sliding rail, and the sliding block is connected with the sliding rail in a sliding manner.
Preferably, the first connecting piece is provided with a sliding block, the first shell is provided with a sliding rail, and the sliding block is connected with the sliding rail in a sliding manner.
Preferably, a sliding block is arranged on the second connecting piece, a sliding rail is arranged on the first shell, and the sliding block is connected with the sliding rail in a sliding mode.
Preferably, a sliding block is arranged on the fourth connecting piece, a sliding rail is arranged on the first shell, and the sliding block is connected with the sliding rail in a sliding mode.
Preferably, a sliding block is arranged on the third connecting piece, a sliding rail is arranged on the first shell, and the sliding block is connected with the sliding rail in a sliding mode.
Preferably, the support member is provided with a buffer layer.
The above technical scheme of the utility model has following profitable technological effect:
rotate the distance that can change first observation window and second observation window effectively through control motor, accurately calculate user's interpupillary distance to in better detection user's eyesight, it can improve user's comfort level to be equipped with the buffer layer on the support piece, the lens groove before the observation window can effectual quick replacement lens, with confirm user's true eyesight level, can scramble alphabetical direction on the carousel fast through the handle, practiced thrift the time of changing the visual chart, improved detection efficiency.
Drawings
Fig. 1 is a schematic structural view of the vision testing device provided by the utility model.
Fig. 2 is a schematic structural view of a first observation window in the vision testing apparatus provided by the present invention.
Fig. 3 is a side view of the vision testing apparatus provided by the present invention.
Fig. 4 is a schematic structural diagram of the second housing in the vision testing apparatus provided by the present invention.
Reference numerals: 1. a first housing; 2. a first motor; 3. a bidirectional screw rod; 4. a first slider; 5. a second slider; 6. a first rotating bracket; 7. a first connecting member; 8. a second connecting member; 9. a first observation window; 10. a second observation window; 11. a second motor; 12. a screw rod; 13. a third slider; 14. a third connecting member; 15. a support member; 16. a fourth connecting member; 17. a telescopic rod; 18. a fifth connecting member; 19. a first lens groove; 20. a second lens groove; 21. a second housing; 22. a first support column; 23. a first turntable; 24. a first belt; 25. a first pulley; 26. a first rotating shaft; 27. a second rotating shaft; 28. a second turntable; 29. a second belt; 30. a second pulley; 31. a third belt; 32. a third belt pulley; 33. a third rotating shaft; 34. a handle; 35. and a second support column.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-4, the utility model provides a vision testing device, including first casing 1, two-way lead screw 3, first slider 4, second slider 5, first rotating bracket 6, first connecting piece 7, second connecting piece 8, first observation window 9, second observation window 10, lead screw 12, third slider 13, third connecting piece 14, support piece 15, fourth connecting piece 16, telescopic link 17, first lens groove 19, second lens groove 20, first support column 22, first carousel 23, first belt 24, first belt pulley 25, first axis of rotation 26, second axis of rotation 27, second carousel 28, second belt 29, second belt pulley 30, third belt 31, third belt pulley 32, third axis of rotation 33 and handle 34;
the top of the first shell 1 is provided with a first motor 2; the output end of the first motor 2 is connected with a bidirectional screw rod 3; the bidirectional screw rod 3 is rotationally connected with the first rotating bracket 6; the first rotating bracket 6 is connected with the first shell 1; the first sliding part 4 is provided with internal threads; the first sliding piece 4 is in threaded connection with the bidirectional screw rod 3; the first sliding part 4 is connected with the first shell 1 in a sliding way; the second sliding part 5 is provided with internal threads; the second sliding piece 5 is in threaded connection with the bidirectional screw rod 3; the second sliding part 5 is connected with the first shell 1 in a sliding way; the bottom of the first sliding part 4 is connected with a first connecting piece 7; one end of the first connecting piece 7, which is back to the first sliding piece 4, is connected with the first observation window 9; the second sliding part 5 is connected with a second connecting piece 8; one end of the second connecting piece 8, which is far away from the second sliding piece 5, is connected with a second observation window 10; the first connecting piece 7 is connected with the first shell 1 in a sliding way; the second connecting piece 8 is connected with the first shell 1 in a sliding way; the first shell 1 is provided with a second motor 11; the output end of the second motor 11 is connected with the screw rod 12; an internal thread is arranged on the third sliding part 13; the third sliding part 13 is in threaded connection with the screw rod 12; the third sliding part 13 is connected with the first shell 1 in a sliding way; the third sliding part 13 is connected with a third connecting piece 14; the end of the third link 14 remote from the third slider 13 is connected to a support 15; the third connecting piece 14 is connected with the first shell 1 in a sliding way; the side of the supporting part 15 opposite to the third connecting part 14 is connected with a fourth connecting part 16; the fourth connecting piece 16 is connected with the first shell 1 in a sliding way; the fourth connecting piece 16 is connected with the telescopic rod 17; one end of the telescopic rod 17 far away from the fourth connecting piece 16 is connected with the first shell 1; a fifth connecting piece 18 is arranged on the first observation window 9; the fifth connecting member 18 is connected with the first lens groove 19 and the second lens groove 20; the first lens groove 19 and the second lens groove 20 are located in front of the first observation window 9; a second shell 21 is arranged in front of the first shell 1; the first support column 22 is connected with the second housing 21; the first rotating disc 23 is rotatably connected with the first supporting column 22 through a first rotating shaft 26; the first turntable 23 is connected with a first belt pulley 25 through a first belt 24; a second supporting column 35 is arranged on the second shell 21; the second rotating disc 28 is rotatably connected with a second supporting column 35 through a second rotating shaft 27; the second turntable 28 is connected with a second belt pulley 30 through a second belt 29; the first belt pulley 25 and the second belt pulley 30 are connected with a third belt pulley 32 through a third belt 31; the third belt pulley 32 is rotatably connected with the second housing 21 through a third rotating shaft 33; third pulley 32 is connected to handle 34.
In an alternative embodiment, the first sliding member 4 is provided with a sliding block, the first housing 1 is provided with a sliding rail, and the sliding block is slidably connected with the sliding rail.
In an alternative embodiment, the second sliding member 5 is provided with a sliding block, the first housing 1 is provided with a sliding rail, and the sliding block is slidably connected with the sliding rail.
In an alternative embodiment, the first connecting member 7 is provided with a sliding block, the first housing 1 is provided with a sliding rail, and the sliding block is slidably connected with the sliding rail.
In an alternative embodiment, the second connecting member 8 is provided with a sliding block, the first housing 1 is provided with a sliding rail, and the sliding block is slidably connected with the sliding rail.
In an alternative embodiment, the fourth connecting member 16 is provided with a sliding block, the first housing 1 is provided with a sliding rail, and the sliding block is slidably connected with the sliding rail.
In an alternative embodiment, the third connecting member 14 is provided with a sliding block, and the first housing 1 is provided with a sliding rail, and the sliding block is slidably connected with the sliding rail.
In an alternative embodiment, the support member 15 is provided with a cushioning layer, which is beneficial for improving the comfort of the user.
The utility model discloses in, first motor 2 drives first slider 4 and the 5 relative motion of second slider, the distance that can effectual change first observation window 9 and second observation window 10 uses with the user that adapts to different interpupillary distances, second motor 11 can adjust support piece 15's height is in order to adapt to the user of different face types, the adaptability of this device has been improved, the change lens that the lens groove can be quick, make the detection more accurate, through handle 34 on the second casing 21, can rotate first carousel 23 and second carousel 28 fast, thereby the letter orientation on the carousel of disturbing in disorder, the effect of the alphabet of disturbing in disorder fast has been realized, the time of changing the alphabet has been practiced thrift, detection efficiency is improved.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (8)
1. The vision detection device is characterized by comprising a first shell (1), a bidirectional screw rod (3), a first sliding piece (4), a second sliding piece (5), a first rotating support (6), a first connecting piece (7), a second connecting piece (8), a first observation window (9), a second observation window (10), a screw rod (12), a third sliding piece (13), a third connecting piece (14), a supporting piece (15), a fourth connecting piece (16), an expansion rod (17), a first lens groove (19), a second lens groove (20), a first supporting column (22), a first rotating disc (23), a first belt (24), a first belt pulley (25), a first rotating shaft (26), a second rotating shaft (27), a second rotating disc (28), a second belt (29), a second belt pulley (30), a third belt (31), a third belt pulley (32), A third rotation shaft (33) and a handle (34);
the top of the first shell (1) is provided with a first motor (2); the output end of the first motor (2) is connected with the bidirectional screw rod (3); the bidirectional screw rod (3) is rotationally connected with the first rotating bracket (6); the first rotating bracket (6) is connected with the first shell (1); the first sliding part (4) is provided with internal threads; the first sliding piece (4) is in threaded connection with the bidirectional screw rod (3); the first sliding part (4) is connected with the first shell (1) in a sliding way; the second sliding part (5) is provided with internal threads; the second sliding piece (5) is in threaded connection with the bidirectional screw rod (3); the second sliding part (5) is connected with the first shell (1) in a sliding way; the bottom of the first sliding part (4) is connected with a first connecting piece (7); one end of the first connecting piece (7) back to the first sliding piece (4) is connected with the first observation window (9); the second sliding part (5) is connected with the second connecting part (8); one end of the second connecting piece (8) far away from the second sliding piece (5) is connected with the second observation window (10); the first connecting piece (7) is connected with the first shell (1) in a sliding way; the second connecting piece (8) is connected with the first shell (1) in a sliding way; a second motor (11) is arranged on the first shell (1); the output end of the second motor (11) is connected with the screw rod (12); an internal thread is arranged on the third sliding part (13); the third sliding part (13) is in threaded connection with the screw rod (12); the third sliding part (13) is connected with the first shell (1) in a sliding way; the third sliding part (13) is connected with the third connecting part (14); one end of the third connecting piece (14) far away from the third sliding piece (13) is connected with the supporting piece (15); the third connecting piece (14) is connected with the first shell (1) in a sliding way; the surface of the supporting piece (15) back to the third connecting piece (14) is connected with a fourth connecting piece (16); the fourth connecting piece (16) is connected with the first shell (1) in a sliding way; the fourth connecting piece (16) is connected with the telescopic rod (17); one end of the telescopic rod (17) far away from the fourth connecting piece (16) is connected with the first shell (1); a fifth connecting piece (18) is arranged on the first observation window (9); the fifth connecting piece (18) is connected with the first lens groove (19) and the second lens groove (20); the first lens groove (19) and the second lens groove (20) are positioned in front of the first observation window (9); a second shell (21) is arranged in front of the first shell (1); the first support column (22) is connected with the second shell (21); the first rotating disc (23) is rotationally connected with the first supporting column (22) through a first rotating shaft (26); the first rotating disc (23) is connected with a first belt pulley (25) through a first belt (24); a second supporting column (35) is arranged on the second shell (21); the second rotating disc (28) is rotatably connected with the second supporting column (35) through a second rotating shaft (27); the second turntable (28) is connected with a second belt pulley (30) through a second belt (29); the first belt pulley (25) and the second belt pulley (30) are connected with a third belt pulley (32) through a third belt (31); the third belt pulley (32) is rotationally connected with the second shell (21) through a third rotating shaft (33); the third pulley (32) is connected to a handle (34).
2. A vision testing device according to claim 1, wherein the first sliding member (4) is provided with a sliding block, the first housing (1) is provided with a sliding rail, and the sliding block is slidably connected with the sliding rail.
3. A vision testing device according to claim 1, wherein the second sliding member (5) is provided with a sliding block, the first housing (1) is provided with a sliding rail, and the sliding block is slidably connected with the sliding rail.
4. A vision testing device according to claim 1, characterized in that the first connecting member (7) is provided with a slide block, the first housing (1) is provided with a slide rail, and the slide block is slidably connected with the slide rail.
5. A vision testing device according to claim 1, characterized in that the second connecting member (8) is provided with a slide block, the first housing (1) is provided with a slide rail, and the slide block is slidably connected with the slide rail.
6. A vision testing device according to claim 1, characterized in that the fourth connecting member (16) is provided with a slide block, the first housing (1) is provided with a slide rail, and the slide block is slidably connected with the slide rail.
7. A vision testing device according to claim 1, characterized in that the third connecting member (14) is provided with a slide block, the first housing (1) is provided with a slide rail, and the slide block is slidably connected with the slide rail.
8. A vision testing device according to claim 1, characterized in that the support element (15) is provided with a cushioning layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022359847.2U CN213963317U (en) | 2020-10-21 | 2020-10-21 | Vision detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022359847.2U CN213963317U (en) | 2020-10-21 | 2020-10-21 | Vision detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213963317U true CN213963317U (en) | 2021-08-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022359847.2U Active CN213963317U (en) | 2020-10-21 | 2020-10-21 | Vision detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213963317U (en) |
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2020
- 2020-10-21 CN CN202022359847.2U patent/CN213963317U/en active Active
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