CN213129419U

CN213129419U - Vision testing device

Info

Publication number: CN213129419U
Application number: CN202021584083.0U
Authority: CN
Inventors: 俞臻
Original assignee: Shanghai Ruiyi Medical Technology Co ltd
Current assignee: Shanghai Ruiyi Medical Technology Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-05-07
Anticipated expiration: 2030-08-04

Abstract

The utility model discloses an eyesight testing device, relating to the technical field of eyesight testing; the vision testing device comprises a supporting seat, wherein a fixed plate and a movable wheel are respectively arranged at the top end and the bottom end of the supporting seat, a push handle is fixed on the fixed plate, an upright post is fixed on the supporting seat, a vision testing table is movably arranged on the upright post and is connected with an adjusting component below the vision testing table, a distance setting component is further arranged on the supporting seat, and the height position of the vision testing table can be adjusted by setting the adjusting component, so that the vision testing device is suitable for different crowds, and the testing precision is effectively improved; and the distance setting assembly arranged on the supporting seat can keep a fixed distance between a person and the supporting seat, so that the test error can not be increased due to the change of the distance in the test process, and the practicability is very good.

Description

Vision testing device

Technical Field

The utility model relates to an eyesight test technical field specifically is an eyesight test device.

Background

The visual chart is mainly used for checking the central vision, namely, the foveal acuity in a macular area of the retina, so that the preliminary condition of the visual function can be simply and quickly known, and the visual chart has important significance for clinical diagnosis and treatment of eye diseases. The inspection of vision is generally divided into far vision and near vision, and the far vision mostly adopts an international standard visual chart which is composed of 12 lines of E characters with different sizes and different opening directions.

Most of the existing standard visual charts are suspended, the height adjusting capability is weak, the applicability to people with different heights is weak, and the test deviation can be caused; in addition, still need externally to carry out the eyesight test at present, fixed detection distance is required when externally carrying out the eyesight test, and at present mostly take the ruler to measure, but need remeasure the distance after the position of visual chart changes, and is very troublesome.

Disclosure of Invention

An object of the utility model is to provide an eyesight testing device solves above-mentioned problem.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an eyesight test device, includes the supporting seat, and supporting seat top and bottom are equipped with the fixed plate respectively and remove the wheel, are fixed with on the fixed plate and push away the handle, be fixed with the stand on the supporting seat, the activity is provided with the eyesight test table on the stand, and the eyesight test table is connected with the adjusting part of below, still is equipped with the distance on the supporting seat and sets up the subassembly.

In one alternative: the adjusting component comprises a supporting plate arranged at the bottom of the vision test table, and two ends of the supporting plate are connected with the guide rod in the cavity in a sliding manner.

In one alternative: the adjusting component further comprises a threaded sleeve fixed at the bottom of the supporting plate, the threaded sleeve is in threaded connection with a threaded column in the adjusting seat in a rotating mode, bevel gear sets are fixed on the threaded column, the number of the bevel gear sets is two, the two bevel gear sets are connected through a connecting rod, and the connecting rod is connected to the connecting seat in a rotating mode.

In one alternative: the threaded column is connected with a crank outside the adjusting seat through a driving shaft.

In one alternative: the distance sets up the subassembly and places the chamber including setting up the first chamber of placing and the second on the supporting seat, and the first quantity of placing the chamber is two, and the intracavity is placed to the second is fixed with the fixed axle, rotates on the fixed axle to be connected with and changes the board, and the connecting plate has been placed to the first intracavity of placing, is connected through coupling assembling between connecting plate and the commentaries on classics board.

In one alternative: the connecting assembly comprises jacks arranged on the rotating plate, the jacks are arranged on one side of the rotating plate far away from the fixed shaft, the jacks on the rotating plate are connected with the lugs at one end of the connecting plate in an inserting mode, connecting holes are formed in the jacks and the lugs, and bolt pieces are inserted into the connecting holes.

Compared with the prior art, the beneficial effects of the utility model are as follows:

by arranging the adjusting assembly, the height position of the vision test chart can be adjusted, so that the vision test chart is suitable for different people, and the test precision is effectively improved; and the distance setting assembly arranged on the supporting seat can keep a fixed distance between a person and the supporting seat, so that the test error can not be increased due to the change of the distance in the test process, and the practicability is very good.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the middle adjusting assembly of the present invention.

Fig. 3 is a schematic structural diagram of the middle distance setting assembly of the present invention.

Fig. 4 is a schematic structural diagram of the middle connection plate of the present invention.

Fig. 5 is a schematic structural view of the center pillar of the present invention.

Notations for reference numerals: 01-supporting seat, 02-upright post, 03-vision test meter, 04-adjusting component, 05-distance setting component, 11-fixing plate, 12-pushing handle, 13-moving wheel, 21-cavity, 22-guide rod, 41-supporting plate, 42-adjusting seat, 43-threaded sleeve, 44-threaded column, 45-bevel gear set, 46-connecting rod, 47-connecting seat, 48-driving shaft, 49-crank, 51-first placing cavity, 52-second placing cavity, 53-rotating plate, 54-connecting plate, 55-fixing shaft, 56-jack, 57-lug and 58-connecting hole.

Detailed Description

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the drawings or description, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practical applications. The embodiments of the present invention are provided only for illustration, and not for limiting the scope of the present invention. Any obvious and obvious modifications or alterations to the present invention can be made without departing from the spirit and scope of the present invention.

Example 1

Referring to fig. 1-5, in the embodiment of the present invention, an eyesight test device includes a support base 01, a column 02 is fixed on the support base 01, an eyesight test chart 03 is movably disposed on the column 02, the eyesight test chart 03 is connected with a lower adjusting component 04, and the eyesight test chart 03 can perform an eyesight test, and meanwhile, the eyesight test chart 03 can move in a vertical direction, so that the eyesight test device can be conveniently adjusted according to the height of a human body, and the accuracy is improved; in addition, still be equipped with distance on the supporting seat 01 and set up subassembly 05, set up the position that the human body can be adjusted through the distance and stand by subassembly 05 for human and supporting seat 01 keep fixed position, have further improved the accuracy of test.

Further, adjusting part 04 is including setting up backup pad 41 in the eyesight test table 03 bottom, can play the supporting role to eyesight test table 03 through backup pad 41, can drive eyesight test table 03 also to move in vertical direction when backup pad 41 moves in vertical direction, play the effect of adjusting eyesight test table 03 position, and is very simple, backup pad 41's both ends and the guide bar 22 sliding connection in the cavity 21, can improve backup pad 41 at the stability of removal in-process through setting up guide bar 22.

Further, adjust subassembly 04 still including fixing the screw thread sleeve 43 in backup pad 41 bottom, screw thread sleeve 43 with rotate the screw thread post 44 threaded connection of connection in adjusting seat 42, can drive screw thread sleeve 43 and move in vertical direction when screw thread post 44 is rotatory, and then conveniently adjust the position of backup pad 41, be fixed with bevel gear group 45 on the screw thread post 44, bevel gear group 45's quantity is two, connect through connecting rod 46 between two bevel gear group 45, and then can drive two screw thread sleeves 43 and move in vertical direction, connecting rod 46 rotates and connects on connecting seat 47, neither can influence connecting rod 46's rotation through connecting seat 47, can also play very good supporting role, it is very simple.

Further, the threaded column 44 is connected with a crank 49 outside the adjusting seat 42 through a driving shaft 48, and when the crank 49 works, the driving shaft 48 can be driven to rotate, so that the threaded column 44 is driven to rotate, and the practicability is very good.

Further, the distance setting assembly 05 comprises a first placing cavity 51 and a second placing cavity 52 which are arranged on the supporting seat 01, and the number of the first placing cavities 51 is two; the second is placed the intracavity 52 and is fixed with fixed axle 55, and the last rotation of fixed axle 55 is connected with and changes board 53, and fixed axle 55 can rotate round board 53 promptly, and then places chamber 52 with fixed axle 55 rotatory play from the second, and place connecting plate 54 in the first chamber 51 of placing, connecting plate 54 with change and be connected through coupling assembling between the board 53, and then link together board 53 and connecting plate 54 for the length of changeing board 53 increases, and is very simple until reaching required length.

Furthermore, the connecting assembly comprises a jack 56 arranged on the rotating plate 53, the jack 56 is arranged on the side far away from the fixed shaft 55, the jack 56 on the rotating plate 53 is inserted into a lug 57 at one end of the connecting plate 54, and then the connecting plate 54 is fixed on the rotating plate 53, so that the length of the rotating plate 53 is increased, and the connecting assembly is very simple; in addition, the insertion holes 56 and the protrusions 57 are provided with connecting holes 58, and bolts are inserted into the connecting holes 58 to connect the rotating plate 53 and the connecting plate 54 together, so that the stability is very good.

By arranging the adjusting assembly 04, the height position of the vision test chart 03 can be adjusted, so that the vision test chart is suitable for different crowds, and the test precision is effectively improved; and set up the distance on supporting seat 01 and set up subassembly 05 and can keep keeping fixed distance between personnel and the supporting seat 01 for can not cause the test error grow because of the change of distance in the test procedure, have very good practicality.

Example 2

The supporting seat 01 top and bottom are equipped with fixed plate 11 and removal wheel 13 respectively, are fixed with on the fixed plate 11 and push away handle 12, and then conveniently drive wholly and remove, conveniently go out to carry out the eyesight test, and the holistic carrying of being convenient for has very good practicality.

The utility model discloses a theory of operation is: when carrying out the eyesight test, earlier with whole removal to specific position, then take out connecting plate 54 and install on fixed axle 55, after connecting plate 54 is whole to be installed, the personnel that await measuring stand and set up the subassembly 05 front ends at the distance, and the rethread adjusts the height of eyesight test table 03 through adjusting subassembly 04, can carry out subsequent eyesight test this moment.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. The utility model provides an eyesight testing device, includes supporting seat (01), and supporting seat (01) top and bottom are equipped with fixed plate (11) respectively and remove wheel (13), are fixed with on fixed plate (11) and push away handle (12), its characterized in that, be fixed with stand (02) on supporting seat (01), the activity is provided with eyesight test table (03) on stand (02), and eyesight test table (03) are connected with adjusting part (04) of below, still are equipped with on supporting seat (01) apart from setting up subassembly (05).

2. A vision testing device according to claim 1, characterized in that said adjustment assembly (04) comprises a support plate (41) arranged at the bottom of the vision test chart (03), both ends of the support plate (41) being slidably connected with guide rods (22) inside the cavity (21).

3. The vision testing device of claim 2, wherein the adjusting assembly (04) further comprises a threaded sleeve (43) fixed at the bottom of the supporting plate (41), the threaded sleeve (43) is in threaded connection with a threaded column (44) rotatably connected in the adjusting seat (42), a bevel gear set (45) is fixed on the threaded column (44), the number of the bevel gear sets (45) is two, the two bevel gear sets (45) are connected through a connecting rod (46), and the connecting rod (46) is rotatably connected on the connecting seat (47).

4. A vision testing device according to claim 3, characterized in that said threaded post (44) is connected to a crank (49) outside the adjustment seat (42) by means of a drive shaft (48).

5. The vision testing device of claim 1, wherein the distance setting component (05) comprises a first placing cavity (51) and a second placing cavity (52) which are arranged on the supporting seat (01), the number of the first placing cavities (51) is two, a fixed shaft (55) is fixed in the second placing cavity (52), a rotating plate (53) is rotatably connected to the fixed shaft (55), a connecting plate (54) is arranged in the first placing cavity (51), and the connecting plate (54) is connected with the rotating plate (53) through a connecting component.

6. The vision testing device of claim 5, wherein the connecting assembly comprises a jack (56) arranged on the rotating plate (53), the jack (56) is arranged on the side far away from the fixed shaft (55), the jack (56) on the rotating plate (53) is inserted into a lug (57) at one end of the connecting plate (54), connecting holes (58) are respectively arranged on the jack (56) and the lug (57), and a bolt piece is inserted into the connecting hole (58).