CN215227507U

CN215227507U - Portable vision screening device

Info

Publication number: CN215227507U
Application number: CN202121324562.3U
Authority: CN
Inventors: 程文博
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-12-21
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses a portable vision screening device, which comprises a base, a first connecting plate and a screening instrument, wherein a connecting rod is movably connected between the base and the first connecting plate, a driving gear and a driven gear are also arranged on the base, the driving gear and the driven gear are in meshed connection, the driving gear is connected with a driving motor, the driven gear is movably connected with the connecting rod, a first slider and a first chute are arranged on the first connecting plate, a telescopic rod is fixedly connected with the right end of the first slider, the right end of the telescopic rod is connected with a telescopic cylinder, a second connecting plate is fixedly connected with the first slider, a second slider and a second chute are arranged on the second connecting plate, a placing groove is fixedly connected with the second slider, and the screening instrument is placed on the placing groove, the workload of testers is also reduced, and the method is suitable for being widely popularized and used.

Description

Portable vision screening device

Technical Field

The utility model belongs to the technical field of vision inspection equipment, in particular to portable vision examination device.

Background

The vision screening instrument projects infrared light source to retina, the light reflected by the retina presents different patterns under different refraction states, and the camera records pupil patterns and obtains data such as sphere lens, column lens and axis position through calculation. Information such as the refractive state, pupil diameter, interpupillary distance and eye position of eyes can be obtained through one-time measurement, and doctors can conveniently and rapidly screen and comprehensively know the vision development condition of patients.

The general visual acuity screening instrument of hand-held type of current visual acuity screening, during the measurement, keep instrument and measurand eyes on same horizontal plane, general best measuring distance is 35 centimetres, when too far away from the instrument or too near, can not obtain accurate measuring result, need constantly to adjust instrument and measurand's best distance, because the tester needs to lift the instrument and adjust around on hand, time leads to tester arm acid poverty easily for a long time, especially when testing large-scale crowd, the tester also can feel tired out very much, and to the measurand of different heights, the tester still needs the height of adjustment screening instrument, consequently, urgent need be one kind can be convenient for adjust the visual acuity screening device of height and distance.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a portable vision screening device, which solves the problem of continuously adjusting the height and distance of the vision screening instrument in the current vision screening.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a portable eyesight examination device, includes base, first connecting plate and connecting rod, be provided with driving gear, driven gear on the base, driving gear and driven gear engage in marriage and connect, the driving gear still is connected with driving motor, connecting rod one end and first connecting plate swing joint, the connecting rod other end and driven gear swing joint, be provided with first slider on the first connecting plate, first slider right-hand member fixedly connected with telescopic link, the telescopic link is connected with telescopic cylinder, still be provided with first spout on the first connecting plate, fixedly connected with second connecting plate on the first slider, be provided with the second slider on the second connecting plate, still be provided with the second spout on the second connecting plate, the fixed standing groove that is provided with on the second slider, be provided with the screening appearance on the standing groove.

Furthermore, the connecting rod is movably connected with the driven gear through a pin shaft, the first connecting plate is movably connected with the connecting rod through a pin shaft, and a locking bolt is further arranged on the pin shaft.

Furthermore, a screening instrument detection head protecting cover is arranged on the screening instrument.

Further, be provided with the universal wheel under the base, be provided with the service brake on the universal wheel.

Compared with the prior art, the utility model discloses following beneficial effect has: the height of the screening instrument can be adjusted according to the height of the patient, and the proper position can be adjusted according to the distance between the patient and the screening instrument, so that the purpose of accurate measurement is achieved, and the operation burden of a doctor is reduced. Specifically, the method comprises the following steps:

1. the driving wheel, the driven wheel and the driving motor are arranged on the base, so that the height of the connecting rod can be adjusted, and the height of the whole device can be adjusted to adapt to patients with different heights to be measured;

2. the right end of the first sliding block is connected with a telescopic rod, the telescopic rod is connected with a telescopic cylinder, the first sliding block can freely slide on the first sliding groove through the operation of the telescopic cylinder, the front-back distance of the whole device from a test patient is further adjusted, and measurement data can be accurately obtained;

3. through set up second slider and second spout on the second connecting plate, can let the second slider remove about the second spout, and then adjust the suitable position of screening appearance distance measurand.

Drawings

Fig. 1 is a schematic structural view of a portable vision screening device of the present invention;

fig. 2 is a schematic structural view of a placement groove of the portable vision screening device of the present invention;

FIG. 3 is the utility model discloses a structural schematic diagram of first protecting cover is detected to portable eyesight examination device examination appearance

In the figure: 1. a base; 2. a connecting rod; 3. a first connecting plate; 4. a placement groove; 5. a screening instrument; 6. a pin shaft; 7. locking the bolt; 8. a driving gear; 9. a driven gear; 10. a drive motor; 11. a first chute; 12. a first slider; 13. a telescopic rod; 14. a telescopic cylinder; 15. a second connecting plate; 16. a second slider; 17. a universal wheel; 18. a screening instrument detection head protecting cover; 19. a second runner.

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, the utility model discloses a portable vision screening device, which comprises a base 1, a first connecting plate 3, a connecting rod 2 and a screening instrument 5, wherein the base 1 is provided with a driving gear 8 and a driven gear 9, the driving gear 8 is meshed with the driven gear 9, one end of the connecting rod 2 is movably connected with the first connecting plate 3 through a pin shaft 6, and the other end of the connecting rod 2 is movably connected with the driven gear 9 through the pin shaft 6, in the embodiment, the connecting rod 2 is provided with two connecting rods altogether, the driving gear 8 is electrically connected with a driving motor 10, the base 1 is also provided with a switch capable of controlling the driving motor 10, the driving motor 10 can be controlled to open and close, the driving motor 10 can provide power for the driving gear 8, the driving gear 8 can drive the driven gear 9 to rotate together, when the driven gear 9 rotates, the connecting rod 2 can be driven to do up-and-down motion, thereby adjusting the height of the connecting rod 2.

The pin shaft 6 is provided with a locking bolt 7, and after the connecting rod 2 is adjusted to a proper position, the position of the connecting rod 2 can be fixed only by screwing the locking bolt 7.

Be provided with first slider 12 on the first connecting plate 3, the right-hand member of first slider 12 is fixedly connected with telescopic link 13 still, be connected with telescopic cylinder 14 on the telescopic link 13, telescopic cylinder 14 next door is provided with the switch of controlling telescopic cylinder 14, telescopic cylinder 14 can control the flexible of telescopic link 13, still be provided with first spout 11 on the first connecting plate 3, the flexible removal that can promote first slider 12 of telescopic link 13, and then control 5 distances of screening appearance from the distance of testees.

Referring to fig. 2, a second connecting plate 15 is fixedly arranged on the first slider 12, a second slider 16 is arranged on the second connecting plate 15, a second chute 19 is further arranged on the second connecting plate 15, the second slider 16 can freely slide on the second chute 19, so that the left and right positions of the screening instrument can be adjusted, a placing groove 4 is fixedly arranged on the second slider 16, the screening instrument 5 is placed on the placing groove 4, the width of the placing groove 4 is adapted to the width of the screening instrument 5, the patient can be visually screened and detected through the screening instrument 5, and the using process and the using method of the screening instrument 5 are well known by those skilled in the art and are not described herein.

Referring to fig. 3, the screening instrument 5 is further provided with a screening instrument detection head protecting cover 18, and the screening instrument detection head protecting cover 18 can prevent dust from entering the screening instrument 5, so that the instrument can be better protected.

In order to facilitate the movement of the whole device, the universal wheel 17 is arranged below the base 1, the foot brake is arranged on the universal wheel 17, the whole device can be moved better through the universal wheel 17, and after the device is moved to a proper position, the stability of the whole device can be kept only by stepping on the foot brake.

When the utility model is used, firstly, the utility model is pushed to a proper position, then the height of the utility model is adjusted according to the height of a patient, firstly, a switch connected on a driving motor 10 is opened, the driving motor 10 drives a driving gear 8 to rotate, the driving gear 8 drives a driven gear 9 to rotate, the driven gear 9 drives a connecting rod 2 to move up and down, the height of the connecting rod 2 can be adjusted, when the height is adjusted properly, a locking bolt 7 is screwed down, then the distance between a screening instrument 5 and the tested person is adjusted according to the distance between the screening instrument 5 and the tested person, firstly, the switch of a telescopic cylinder 14 is opened, the telescopic cylinder 14 drives a telescopic rod 13 to do telescopic motion after working, the telescopic rod 13 pushes a first slide block 12 to do front-and-back motion after motion, thus, the proper distance between the screening instrument 5 and the tested person can be adjusted, then, the position of a second slide block 16 is moved, and the second slide block 16 is moved left and right in a second chute 19, and then the left and right positions of the screening instrument 5 are adjusted, when continuous and stable dripping sound of the screening instrument 5 is heard, namely the screening instrument is adjusted to a proper position, then the screening instrument is kept for one second and the sound is stopped, the screening instrument is switched to the left eye to continue to measure, the method for measuring the left eye is the same as that for the right eye, and after the measurement is completed by the two eyes, the measurement data, namely the credible times, the S value and the C value of the two eyes can be seen on a display screen, so that the vision screening process is completed.

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. A portable vision screening device is characterized by comprising a base (1), a first connecting plate (3) and a connecting rod (2), wherein a driving gear (8) and a driven gear (9) are arranged on the base (1), the driving gear (8) is in meshed connection with the driven gear (9), the driving gear (8) is further connected with a driving motor (10), one end of the connecting rod (2) is movably connected with the first connecting plate (3), the other end of the connecting rod (2) is movably connected with the driven gear (9), a first sliding block (12) is arranged on the first connecting plate (3), a telescopic rod (13) is fixedly connected at the right end of the first sliding block (12), the telescopic rod (13) is further connected with a telescopic cylinder (14), a first sliding groove (11) is further arranged on the first connecting plate (3), a second connecting plate (15) is fixedly connected on the first sliding block (12), the screening device is characterized in that a second sliding block (16) is arranged on the second connecting plate (15), a second sliding groove (19) is further formed in the second connecting plate (15), a placing groove (4) is fixedly formed in the second sliding block (16), and a screening instrument (5) is arranged on the placing groove (4).

2. The portable vision screening device of claim 1, wherein the connecting rod (2) and the driven gear (9) are movably connected through a pin (6), the first connecting plate (3) and the connecting rod (2) are also movably connected through a pin (6), and a locking bolt (7) is further arranged on the pin (6).

3. A portable vision screening apparatus as claimed in claim 1, wherein a screening instrument test head protective cover (18) is provided on the screening instrument (5).

4. The portable vision screening device of claim 1, wherein a universal wheel (17) is arranged under the base (1), and a foot brake is arranged on the universal wheel (17).