CN210055979U

CN210055979U - Eye vision screening instrument

Info

Publication number: CN210055979U
Application number: CN201920660387.1U
Authority: CN
Inventors: 沈劲松
Original assignee: Yingtan Nicoda Optical Technology Co Ltd
Current assignee: Yingtan Nicoda Optical Technology Co Ltd
Priority date: 2019-05-09
Filing date: 2019-05-09
Publication date: 2020-02-14
Anticipated expiration: 2029-05-09

Abstract

The utility model discloses an eye vision examination instrument, which belongs to the field of vision examination instruments and comprises an instrument shell, wherein the rear side surface of the instrument shell is provided with an adjusting groove, the inner bottom surface of the adjusting groove is fixedly provided with an examination probe, the inner side surface of the adjusting groove is connected with an adjusting seat through a limit stop in a sliding way, the outer side surface of the adjusting seat is connected with the rear side of the inner surface of the adjusting groove in a sliding way, the front end of the inner surface of the adjusting seat is provided with an avoiding groove, the rear side surface of the adjusting seat is provided with an arc-shaped groove, the inner side surface of the arc-shaped groove is fixedly adhered with an annular sponge cushion, the rear sides of the two ends of the outer surface of the instrument shell are respectively connected with a jacking screw through screw threads, the two ends of the inner part of the adjusting seat are respectively provided with a spring groove, the inner side surface of the spring groove is, the safety and the high efficiency are ensured.

Description

Eye vision screening instrument

Technical Field

The utility model relates to an eyesight inspection instrument field, more specifically say, relate to an eye vision examination instrument.

Background

The vision screening instrument judges vision through detecting diopter of eyes, can solve any problem needing to be screened through a visual chart, can be carried to any place except a medical place for screening, and is favorable for vision screening.

But present vision screening instrument still has some weak points when in-service use, for example when wearing the use, on the inspection hole of instrument casing rear end need be placed to patient's eye, and the casing all is fixed knot structure in the current structure, can't adjust the interval of inside probe and outside inspection hole, adaptability is poor, can not use to all people, and need hold through the handle when using, and current structure all is fixed mounting handle on the shell, will stretch out the outside like this, inconvenient folding accomodating, the easy interference of colliding with, the convenience of use still remains to be improved.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Problem to exist among the prior art, the utility model aims to provide an eye vision examination instrument, through setting up the adjustment tank in instrument casing rear end, and then sliding connection adjusts the seat, it is spacing to combine top tight screw and supporting spring to carry on, when can the front and back spacing of adjusting, can guarantee the stability of location, adaptability is high, simultaneously through cup jointing folding sleeve externally, when can guarantee stability, do benefit to the edgewise shading, avoid interfering inside detection, it is exactly through setting up vertical recess in both sides again, and then connect flexible brace through the guide block, do benefit to the use, conveniently deposit, convenience and stability that like this can improve the use greatly, guarantee safe high efficiency.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides an eye vision examination instrument, includes the instrument casing, the rear side surface of instrument casing is equipped with the adjustment tank, the inside bottom surface fixed mounting of adjustment tank has the examination probe, there is the regulation seat inboard surface of adjustment tank through limit stop sliding connection, the outside surface sliding connection of adjusting the seat has the inside surface rear side in adjustment tank, the inside surface front end of adjusting the seat is equipped with and dodges the groove, the rear side surface of adjusting the seat is equipped with the arc recess, the inboard fixed surface of arc recess bonds there is annular foam-rubber cushion, the equal threaded connection in surface both ends rear side of instrument casing has a holding screw, holding screw's inside end department compresses tightly and connects in the surface both sides of adjusting the seat, the inside both ends of adjusting the seat all are equipped with the spring groove, the inboard fixed surface in spring groove installs supporting spring.

Furthermore, the rear side surface both ends of adjusting the seat all are equipped with the connecting block, the front end fixed surface of connecting block is connected with folding sleeve, the rear side surface fixed connection of connecting block has elastic constraint area, cup joints folding sleeve through the outside of adjusting the seat, can protect from the side, avoids outside light to get into, guarantees the stability of screening.

Furthermore, the inner side surface of the folding sleeve is sleeved on the outer surface of the adjusting seat in a sliding mode, and the front end surface of the folding sleeve is fixedly connected to the outer side of the rear end surface of the instrument shell, so that the folding sleeve is beneficial to protection and convenient to use.

Further, the surface both sides front end of instrument housing all is equipped with vertical recess, the inboard fixed surface of vertical recess is connected with the guide bar, the equal sliding connection in surface both ends of guide bar has the guide block, the outer fixed surface of guide block is connected with flexible brace, through at vertical recess internal connection guide block and flexible brace, can use as the handle, does benefit to handheld operation, and is stable high-efficient.

Furthermore, the outer surface intermediate position of guide bar has slidely cup jointed the tight spring in top, the surface sliding connection in the inboard surface of vertical recess of the tight spring in top, the both ends head fixed connection in the surface of guide block of the tight spring in top can be to both sides tensioning through two guide blocks of tight spring top in top, and then straightens flexible brace, does benefit to and deposits inside, avoids interfering, safety and stability.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme is through setting up the adjustment tank in instrument casing rear end, and then sliding connection adjusts the seat, combines top tight screw and supporting spring to carry on spacingly, when can the front and back spacing, can guarantee the stability of location, and adaptability is high.

(2) Folding sleeve is cup jointed through the outside at the regulation seat, can protect by the edgewise, avoids outside light to get into, guarantees the stability of screening.

(3) Through at vertical recess internal connection guide block and flexible brace, can use as the handle, do benefit to handheld operation, it is stable high-efficient.

(4) Through two guide blocks of tight spring top in top, can be to both sides tensioning, and then straighten flexible brace, do benefit to and deposit inside, avoid interfering, safety and stability.

Drawings

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

fig. 2 is a schematic rear end side view of the adjusting seat of the present invention;

FIG. 3 is an enlarged view of the guide block of the present invention at the position A;

fig. 4 is a B-B cross-sectional view of a flexible brace connection of the present invention.

The reference numbers in the figures illustrate:

1 instrument shell, 11 adjusting grooves, 12 screening probes, 13 limit stops, 14 adjusting seats, 15 avoiding grooves, 16 arc-shaped grooves, 17 annular spongy cushions, 18 tightening screws, 19 spring grooves, 191 supporting springs, 2 connecting blocks, 21 folding sleeves, 22 elastic binding belts, 3 tightening springs, 31 guide rods, 32 guide blocks, 33 flexible braces and 34 tightening springs.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be 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. 1-4, an eye vision screening apparatus includes an apparatus housing 1, please refer to fig. 1 and 3, an adjusting groove 11 is disposed on a rear side surface of the apparatus housing 1, a screening probe 12 is fixedly mounted on an inner bottom surface of the adjusting groove 11, and can screen eyes, the specific principle and process are all in the prior art, and are not described again, an adjusting seat 14 is slidably connected to an inner side surface of the adjusting groove 11 through a limit stop 13, an outer side surface of the adjusting seat 14 is slidably connected to a rear side of the inner surface of the adjusting groove 11, and can adjust a distance by sliding the adjusting seat 14 back and forth, so as to adapt to different people, ensure screening stability, an avoiding groove 15 is disposed at a front end of the inner surface of the adjusting seat 14, an arc groove 16 is disposed on a rear side surface of the adjusting seat 14, an annular sponge pad 17 is fixedly adhered to the inner side surface of the arc groove 16, and, guarantee the stability and the travelling comfort of wearing, the rear sides of both ends of the outer surface of the instrument shell 1 are all in threaded connection with the jacking screws 18, the inner ends of the jacking screws 18 are in compression connection with both sides of the outer surface of the adjusting seat 14, the side of the adjusting seat 14 is jacked by the jacking screws 18, the position can be fixed, the stability after adjustment is guaranteed, both ends of the inner part of the adjusting seat 14 are provided with spring grooves 19, the inner side surfaces of the spring grooves 19 are fixedly provided with supporting springs 191 which are supported by the supporting springs 191 to facilitate adjustment, and meanwhile, the adjusting seat is in transition extrusion type to realize buffering and safety and stability, both ends of the rear side surface of the adjusting seat 14 are provided with connecting blocks 2, the front end surfaces of the connecting blocks 2 are fixedly connected with folding sleeves 21, the protecting is protected from the outer side through the folding sleeves 21 to avoid light from entering from the side surface, the screening effect is guaranteed, the elastic binding belt 22 is sleeved on the head, so that wearing and positioning are facilitated, stability and high efficiency are realized, the inner side surface of the folding sleeve 21 is slidably sleeved on the outer surface of the adjusting seat 14, and the front end surface of the folding sleeve 21 is fixedly connected to the outer side of the rear end surface of the instrument shell 1.

Referring to fig. 1, 3 and 4, the front ends of the two sides of the outer surface of the instrument housing 1 are respectively provided with a vertical groove 3, the inner side surface of the vertical groove 3 is fixedly connected with a guide rod 31, the two ends of the outer surface of the guide rod 31 are respectively connected with a guide block 32 in a sliding manner, the outer surface of the guide block 32 is fixedly connected with a flexible brace 33, when in use, the flexible brace 33 can be pulled out, so that the two guide blocks 32 are close to the middle position, the pulled-out length can be increased, the flexible brace can be used as a handle, the operation is facilitated to be held, when not in use, the jacking spring 34 jacks the guide block 32 towards two sides, the flexible brace 33 can be straightened, and then contract inside and place, avoid interfering, it is stable high-efficient, the surface intermediate position slip of guide bar 31 has cup jointed the top tight spring 34, and the surface sliding connection of top tight spring 34 is in the inboard surface of vertical recess 3, and the both ends head fixed connection of top tight spring 34 is in the surface of guide block 32.

During the use, can pull out flexible brace 33, two guide blocks 32 draw close to the intermediate position like this, can increase the length of pulling out, use as the handle, do benefit to and hold up the operation, and when not, the tight spring 34 of top pushes up tight guide block 32 to both sides, can straighten flexible brace 33, and then shrink inside and place, avoid interfering, it is stable high-efficient, then can laminate arc recess 16 to the eye position, fix a position to the head through elastic constraint area 22, convenient operation, the inside screening probe 12 can be aimed at to the eye like this, then can be through compressing instrument casing 1, through adjusting the inside slip of groove 11 again of seat 14, and adjust suitable interval, guarantee screening stability, then can screw up tight screw 18 and fix the position of adjusting the seat 14, avoid becoming flexible, do benefit to stable use, safety and high efficiency.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. An eye vision screening instrument comprising an instrument housing (1), characterized in that: the rear side surface of the instrument shell (1) is provided with an adjusting groove (11), the inner bottom surface of the adjusting groove (11) is fixedly provided with a screening probe (12), the inner side surface of the adjusting groove (11) is connected with an adjusting seat (14) through a limit stop (13) in a sliding manner, the outer side surface of the adjusting seat (14) is connected to the rear side of the inner surface of the adjusting groove (11) in a sliding manner, the front end of the inner surface of the adjusting seat (14) is provided with an avoiding groove (15), the rear side surface of the adjusting seat (14) is provided with an arc-shaped groove (16), the inner side surface of the arc-shaped groove (16) is fixedly bonded with an annular sponge cushion (17), the rear sides of the two ends of the outer surface of the instrument shell (1) are both in threaded connection with jacking screws (18), the inner end of the jacking screws (18) is in compression connection with the two sides of the outer surface of the adjusting seat (14), and the two, and a supporting spring (191) is fixedly arranged on the inner side surface of the spring groove (19).

2. An eye vision screening apparatus as set forth in claim 1, wherein: the adjustable adjusting device is characterized in that connecting blocks (2) are arranged at two ends of the rear side surface of the adjusting seat (14), a folding sleeve (21) is fixedly connected to the front end surface of each connecting block (2), and an elastic binding belt (22) is fixedly connected to the rear side surface of each connecting block (2).

3. An eye vision screening apparatus as set forth in claim 2, wherein: the inner side surface of the folding sleeve (21) is sleeved on the outer surface of the adjusting seat (14) in a sliding mode, and the front end surface of the folding sleeve (21) is fixedly connected to the outer side of the rear end surface of the instrument shell (1).

4. An eye vision screening apparatus as set forth in claim 1, wherein: the instrument shell is characterized in that vertical grooves (3) are formed in the front ends of the two sides of the outer surface of the instrument shell (1), guide rods (31) are fixedly connected to the inner side surfaces of the vertical grooves (3), guide blocks (32) are slidably connected to the two ends of the outer surface of each guide rod (31), and flexible pull strips (33) are fixedly connected to the outer surface of each guide block (32).

5. An eye vision screening apparatus as set forth in claim 4 in which: the outer surface middle position of guide bar (31) is slided to be cup jointed and is pushed up tight spring (34), the surface sliding connection in the inboard surface of vertical recess (3) of pushing up tight spring (34), the both ends head fixed connection in the surface of guide block (32) of pushing up tight spring (34).