CN213155813U

CN213155813U - Detection device for eyesight health

Info

Publication number: CN213155813U
Application number: CN202021494913.0U
Authority: CN
Inventors: 史文彬; 苏娱
Original assignee: Anhui Owl Technology Co ltd
Current assignee: Anhui Owl Technology Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-05-11
Anticipated expiration: 2030-07-24

Abstract

The utility model discloses a detection device for eyesight health, including front panel and rear panel, the rear side of front panel is opened and is equipped with first cavity, and the front side of rear panel is opened and is equipped with the second cavity, from left to right rotates in proper order between the upper and lower both sides of second cavity internal surface and is connected with first pivot and second pivot, and the transmission is connected with the vision test cloth between first pivot and the second pivot, the utility model relates to an eyesight test equipment technical field. This detection device for eyesight health, through being equipped with the drive belt, make the transmission of vision test cloth more stable, through being equipped with clutch blocks and friction groove, vision test cloth position relatively stable can not rotate easily, rotate through the knob and drive the transmission of vision test cloth, thereby the test symbol of eyesight when changing the vision test, make physical examination person can't cheat through the method of memory vision test symbol position, thereby make the testing result more accurate, and the user only need rotate the knob can, easy operation is convenient.

Description

Detection device for eyesight health

Technical Field

The utility model relates to an eyesight test equipment technical field specifically is a detection device is used to eyesight health.

Background

The visual health detection device often uses the visual chart, the visual chart is the standard tool of detecting people's visual condition, traditional visual chart all adopts planar design generally, the test symbol is row by row orderly arrangement, the position is also fixed, because of all kinds of reasons, some physical examination person can utilize various modes to improve the testing result when the physical examination, and according to its regularity and fixity, most people adopt the method of reciting the symbol to cheat, make the measuring means unscientific, the testing result is inaccurate.

SUMMERY OF THE UTILITY MODEL

In view of the deficiencies of the prior art, the present invention provides a device for detecting eyesight health, which solves the problems mentioned above in the background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a detection device for eyesight health comprises a front panel and a rear panel, wherein a first cavity is formed in the rear side of the front panel, a second cavity is formed in the front side of the rear panel, a first rotating shaft and a second rotating shaft are sequentially and rotatably connected between the upper side and the lower side of the inner surface of the second cavity from left to right, eyesight test cloth is connected between the first rotating shaft and the second rotating shaft in a transmission manner, transmission belts which are symmetrically arranged from top to bottom are connected between the first rotating shaft and the second rotating shaft in a transmission manner, one opposite sides of the two transmission belts are fixedly connected with one side of the eyesight test cloth, a ring is fixedly connected to the outer surface of the second rotating shaft, balls are rotatably connected between the bottom of the ring and the bottom of the inner surface of the second cavity, a friction groove is formed in the bottom of the inner surface of the second cavity, a friction block is fixedly connected to the bottom of the second rotating shaft, and extends to the inside of the friction, and the friction block is connected with the friction groove in a rotating mode, the top end of the second rotating shaft penetrates through the second cavity and the rear panel in sequence and extends to the upper portion of the rear panel, and the top end of the second rotating shaft is fixedly connected with a knob.

Preferably, the equal fixedly connected with fixed block in the left and right sides of rear panel, and the slot has been seted up to the bottom of fixed block, the spout has been seted up to one side of slot, and the inner chamber sliding connection of spout has the slide bar.

Preferably, the outer surface cover of slide bar is equipped with the spring, and the one end of spring and the outer fixed surface of slide bar are connected, the other end of spring and the inner chamber fixed connection of spout.

Preferably, one end of the sliding rod penetrates through the sliding groove and extends to the inside of the slot, and the other end of the sliding rod penetrates through the sliding groove and extends to the outside of the fixing block.

Preferably, the left side and the right side of the front panel are fixedly connected with inserting rods through supporting frames, and fixing grooves matched with the sliding rods are formed in the outer surfaces of the inserting rods.

Preferably, the number of the balls is set to be a plurality, and the plurality of balls are distributed annularly.

Advantageous effects

The utility model provides a detection device for eyesight health. Compared with the prior art, the method has the following beneficial effects:

(1) this detection device for eyesight health, through being equipped with the drive belt, make the transmission of vision test cloth more stable, through being equipped with clutch blocks and friction groove, vision test cloth position relatively stable can not rotate easily, rotate through the knob and drive the transmission of vision test cloth, thereby the test symbol of eyesight when changing the vision test, make physical examination person can't cheat through the method of memory vision test symbol position, thereby make the testing result more accurate, and the user only need rotate the knob can, easy operation is convenient.

(2) This detection device for eyesight health inserts the slot through the inserted bar, and the slide bar inserts the fixed slot and can accomplish the installation, only need during the dismantlement stimulate the slide bar can, made things convenient for the installation to dismantle, also made things convenient for the later stage to the device maintenance.

Drawings

Fig. 1 is a front view of the rear panel of the present invention;

fig. 2 is a rear view of the front panel of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1;

fig. 4 is a partially enlarged view of the point B in fig. 1 according to the present invention.

In the figure: 1. a front panel; 2. a rear panel; 3. a first cavity; 4. a second cavity; 5. a first rotating shaft; 6. a second rotating shaft; 7. a vision test cloth; 8. a transmission belt; 9. a circular ring; 10. a ball bearing; 11. a friction groove; 12. a friction block; 13. a knob; 14. a fixed block; 15. a slot; 16. a chute; 17. a slide bar; 18. a spring; 19. inserting a rod; 20. and fixing the grooves.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a detection device for eyesight health comprises a front panel 1 and a rear panel 2, a first cavity 3 is arranged at the rear side of the front panel 1, a second cavity 4 is arranged at the front side of the rear panel 2, a first rotating shaft 5 and a second rotating shaft 6 are sequentially connected between the upper side and the lower side of the inner surface of the second cavity 4 from left to right in a rotating manner, an eyesight test cloth 7 is connected between the first rotating shaft 5 and the second rotating shaft 6 in a transmission manner, eyesight test symbols are printed on the outer surface of the eyesight test cloth 7, vertically symmetrically arranged transmission belts 8 are connected between the first rotating shaft 5 and the second rotating shaft 6 in a transmission manner, one opposite sides of the two transmission belts 8 are fixedly connected with one side of the eyesight test cloth 7, a ring 9 is fixedly connected to the outer surface of the second rotating shaft 6, balls 10 are rotatably connected between the bottom of the ring 9 and the bottom of the inner surface of the second cavity 4, and the number of the balls 10 is multiple, the plurality of balls 10 are distributed annularly, the bottom of the inner surface of the second cavity 4 is provided with a friction groove 11, the bottom end of the second rotating shaft 6 is fixedly connected with a friction block 12, the bottom of the friction block 12 extends to the inside of the friction groove 11, the friction block 12 is rotatably connected with the friction groove 11, the top end of the second rotating shaft 6 sequentially penetrates through the second cavity 4 and the rear panel 2 and extends to the upper part of the rear panel 2, the top end of the second rotating shaft 6 is fixedly connected with a knob 13, the transmission of the vision test cloth 7 is more stable by arranging a transmission belt 8, the vision test cloth 7 is relatively stable in position and cannot be easily rotated by arranging the friction block 12 and the friction groove 11, the knob 13 is rotated to drive the vision test cloth 7 to be transmitted, so that the test symbols of the vision during the vision test are changed, a physical examiner cannot cheat by a method of memorizing the positions of the vision test symbols, so that the detection result is more, the user only needs to rotate the knob 13, the operation is simple and convenient, the left side and the right side of the rear panel 2 are fixedly connected with the fixed blocks 14, the bottom of each fixed block 14 is provided with the slot 15, one side of each slot 15 is provided with the sliding groove 16, the inner cavity of each sliding groove 16 is connected with the corresponding sliding rod 17 in a sliding manner, the outer surface of each sliding rod 17 is sleeved with the corresponding spring 18, one end of each spring 18 is fixedly connected with the outer surface of each sliding rod 17, the other end of each spring 18 is fixedly connected with the inner cavity of each sliding groove 16, one end of each sliding rod 17 penetrates through each sliding groove 16 and extends into the corresponding slot 15, the other end of each sliding rod 17 penetrates through each sliding groove 16 and extends out of each fixed block 14, the left side and the right side of the front panel 1 are fixedly connected with the corresponding inserted rods 19 through the supporting frames, the outer, when the device is disassembled, only the sliding rod 17 needs to be pulled, so that the device is convenient to assemble and disassemble, and the later maintenance of the device is also convenient.

And those not described in detail in this specification are well within the skill of those in the art.

During the use, rotate second pivot 6 through knob 13, thereby drive the transmission of drive belt 8 and eyesight test cloth 7, thereby the eyesight test symbol on the eyesight test cloth 7 when changing the eyesight test, meanwhile, clutch blocks 12 are at 11 rotations in friction groove, utilize frictional force, make eyesight test cloth 7 position relatively stable, can not rotate easily, during the installation, insert slot 15 through inserted bar 19, this moment under the effect of the 18 elasticity of spring, slide bar 17 inserts fixed slot 20 and can accomplish the installation, only need stimulate slide bar 17 during the dismantlement, remove the restriction to inserted bar 19 can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a detection device is used to eyesight health, includes front panel (1) and rear panel (2), its characterized in that: the back side of the front panel (1) is provided with a first cavity (3), the front side of the rear panel (2) is provided with a second cavity (4), the upper side and the lower side of the inner surface of the second cavity (4) are sequentially connected with a first rotating shaft (5) and a second rotating shaft (6) from left to right in a rotating mode, a vision test cloth (7) is connected between the first rotating shaft (5) and the second rotating shaft (6) in a transmission mode, transmission belts (8) which are symmetrically arranged from top to bottom are connected between the first rotating shaft (5) and the second rotating shaft (6) in a transmission mode, one opposite sides of the two transmission belts (8) are fixedly connected with one side of the vision test cloth (7), the outer surface of the second rotating shaft (6) is fixedly connected with a ring (9), balls (10) are rotatably connected between the bottom of the ring (9) and the bottom of the inner surface of the second cavity (4), and a friction groove (11) is formed in the bottom of the inner surface of the, the bottom fixedly connected with clutch block (12) of second pivot (6), the bottom of clutch block (12) extends to the inside of friction groove (11), and clutch block (12) rotate with friction groove (11) and be connected, the top of second pivot (6) runs through second cavity (4) and rear panel (2) in proper order and extends to the top of rear panel (2), and the top fixedly connected with knob (13) of second pivot (6).

2. A visual health testing device in accordance with claim 1, wherein: the utility model discloses a rear panel, including rear panel (2), the equal fixedly connected with fixed block (14) in both sides about, and slot (15) have been seted up to the bottom of fixed block (14), spout (16) have been seted up to one side of slot (15), and the inner chamber sliding connection of spout (16) has slide bar (17).

3. A visual health testing device according to claim 2, wherein: the outer surface cover of slide bar (17) is equipped with spring (18), and the outer fixed surface of one end and slide bar (17) of spring (18) is connected, the other end and the inner chamber fixed connection of spout (16) of spring (18).

4. A visual health testing device according to claim 2, wherein: one end of the sliding rod (17) penetrates through the sliding groove (16) and extends to the inside of the slot (15), and the other end of the sliding rod (17) penetrates through the sliding groove (16) and extends to the outside of the fixed block (14).

5. A visual health testing device in accordance with claim 1, wherein: the left side and the right side of the front panel (1) are fixedly connected with inserting rods (19) through supporting frames, and fixing grooves (20) matched with the sliding rods (17) are formed in the outer surfaces of the inserting rods (19).

6. A visual health testing device in accordance with claim 1, wherein: the number of the balls (10) is set to be a plurality, and the balls (10) are distributed annularly.