CN208926330U - Moveable eye movement adjusting measuring apparatus - Google Patents

Abstract

The utility model discloses a kind of Moveable eye movement adjusting measuring apparatus, comprising: desk body；Screw rod is set up in the hollow structure of the desk body along the desk body length direction, and the both ends of the screw rod pass through the both ends that bearing is fixed on the desk body respectively；Two casings, are connected through a screw thread are set in outside the screw rod respectively；Each described sleeve pipe connects up a snap-gauge by vertically-mounted telescopic rod, and the one side of corresponding two snap-gauges of two casings away from each other fixes a sighting target respectively；Support rod is parallel to the screw rod in the desk body, and described sleeve pipe is movably set in outside the support rod, so that described sleeve pipe can be slided along the support rod；The utility model does not need that man-hour manually hand-held sighting target is mobile, and not only precision is good, and can a pair two measurement, efficiency is greatly improved.

Description

Moveable eye movement adjusting measuring apparatus

Technical field

The utility model relates to eye movement adjusting measuring apparatus fields.More specifically, it is removable that the utility model relates to one kind Formula eye movement adjusting measuring apparatus.

Background technique

Myopia is that global incidence is highest ametropia, and traditional push-up method measurement, which adjusts near point, is put at 40cm Sighting target is set, customer covers left eye, and sighting target is the lastrow of its best near vision, allows examinee's right eye to watch attentively and keeps sighting target clear Clear, sighting target is slowly shifted to examinee by examiner, allows its report when sighting target thickens, and moving distance is the adjusting of left eye Near point；With the adjusting near point of method measurement right eye.But in this method, artificial moving target, speed can be sometimes fast and sometimes slow, can be to survey Dose-effect fruit plays adverse effect, causes precision poor；And can only one-to-one independent measurement, time-consuming and laborious, inefficiency.

Utility model content

The utility model provides a kind of Moveable eye movement adjusting measuring apparatus, does not need the movement of man-hour manually hand-held sighting target, not only Precision is good, and can a pair two measurement, efficiency is greatly improved.

In order to achieve the goal above, the utility model provides a kind of Moveable eye movement adjusting measuring apparatus, comprising:

Desk body, interior hollow, the upper surface of the desk body opens up a through slot along its length；

Screw rod is set up in the hollow structure of the desk body along the desk body length direction, the both ends point of the screw rod The both ends of the desk body are not fixed on by bearing, wherein the screw rod is fixed on the inner ring of the bearing, the bearing it is outer Circle is fixed on the desk body；The screw rod is spliced by two oppositely oriented sub- screw rods；

Two casings are connected through a screw thread are set in outside two sub- screw rods respectively；It is vertical that each described sleeve pipe passes through The telescopic rod of installation connects up a snap-gauge, and the one side of corresponding two snap-gauges of two casings away from each other fixes a view respectively Mark；

Support rod is parallel to the screw rod in the desk body, and described sleeve pipe is movably set in outside the support rod Portion, so that described sleeve pipe can be slided along the support rod；

Wherein, the telescopic rod specifically includes: slide over each other the inner sleeve and outer sleeve being arranged, edge on the side wall of outer sleeve Its short transverse opens up multipair through-hole, and each pair of through-hole is distributed along outer sleeve radial symmetric；A hollow pipe is vertically fixed in inner sleeve, And its both ends respectively leads to described two through-holes；One spring pocket is set in the hollow pipe, and both ends of the spring is separately connected a table The block of face arc-shaped, when the spring nature extended state, the block at both ends protrudes from the outer sleeve, and respectively from One pair of them through-hole stretches out.

Preferably, the Moveable eye movement adjusting measuring apparatus, table in the inner sleeve outer surface, the outer sleeve Face is equipped with the sliding slot and draw runner that match along its short transverse respectively, the draw runner along the sliding slot slidably.

Preferably, the Moveable eye movement adjusting measuring apparatus, the spring middle part are fixed in the hollow pipe.

Preferably, the Moveable eye movement adjusting measuring apparatus, the outer sleeve and inner sleeve surface coating are smooth Coating.

Preferably, the Moveable eye movement adjusting measuring apparatus, the sighting target are E visual chart.

The utility model is include at least the following beneficial effects: the utility model does not need the movement of man-hour manually hand-held sighting target, not only Precision is good, and can a pair two measurement, efficiency is greatly improved.

The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through Research and practice to the utility model and be understood by the person skilled in the art.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model Moveable eye movement adjusting measuring apparatus；

Fig. 2 is the structural schematic diagram of the telescopic rod in the utility model Moveable eye movement adjusting measuring apparatus.

Specific embodiment

The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation Book text can be implemented accordingly.

In the description of the present invention, term " transverse direction ", " longitudinal direction ", "upper", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" be orientation based on the figure or Positional relationship is merely for convenience of describing the present invention and simplifying the description, and is not the device or member of indication or suggestion meaning Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

As shown in Figure 1, the utility model provides a kind of Moveable eye movement adjusting measuring apparatus, comprising:

Desk body 1, interior hollow, the upper surface of the desk body 1 opens up a through slot along its length；

Screw rod 2 is set up in the hollow structure of the desk body 1, the two of the screw rod 2 along 1 length direction of desk body The both ends of the desk body 1 are fixed at end by bearing 3 respectively, wherein the screw rod 2 is fixed on the inner ring of the bearing 3, described The desk body 1 is fixed in the outer ring of bearing 3；Screw rod 2 relatively fixed can realize rotation in desk body 1 in this way；The screw rod It is spliced by oppositely oriented two sub- screw rods (in figure unmarked, but illustrated)；

Two casings 4 are connected through a screw thread are set in outside two sub- screw rods respectively；Each described sleeve pipe 4 is logical It crosses vertically-mounted telescopic rod 5 and connects up a snap-gauge 6, the one side difference of two casings, 4 corresponding two snap-gauges 6 away from each other Fix a sighting target 7；

Support rod 8 is parallel to the screw rod 2 in the desk body 1, and described sleeve pipe 4 is movably set in the support Outside bar 8, so that described sleeve pipe 4 can be slided along the support rod 8；

When the utility model is used, such as Fig. 1, two users stations are in 1 two sides of desk body, and (at this time apart from suitable distance It is most clear depending on table)；Then screw rod 2 realizes rotation under the driving of external motor, and under normal circumstances, two casings 4 will be with spiral shell Bar 2 rotates, and is arranged fixation since two casings 4 are supported bar 8, so that it can not occur to turn with the rotation of screw rod 2 Dynamic, in this case, the extruding force that rotation screw rod 2 passes to casing 4 will drive casing 4 to move along support rod 8, this is with regard to shape At a kind of scene: screw rod 2 rotates, and casing 4 is moved horizontally along screw rod 2, is relatively moved between casing and screw rod, and Since two sub- screw rods are that spiral is reversed, to drive two casings 4 along 8 counter motion of support rod, to drive respectively Two snap-gauges record so that at the uniform velocity moving target can stop when seeing that sighting target starts fuzzy to one of user The distance, the simple eye adjusting near point of as first user；Continue to start motor rotation, sees sighting target to another user When starting fuzzy, it can stop, recording the distance, the simple eye adjusting near point recording distance of as second user.

Wherein, as shown in Fig. 2, the telescopic rod 5 specifically includes: slide over each other the inner sleeve 510 and outer sleeve being arranged 520, multipair through-hole is opened up along its short transverse on the side wall of outer sleeve 520, and each pair of through-hole is along 520 radial symmetric of outer sleeve point Cloth；A hollow pipe 530 is vertically fixed in inner sleeve 510, and its both ends respectively leads to described two through-holes；One spring 540 is arranged In in the hollow pipe 530, and 540 both ends of spring are separately connected the block of a surface arc-shaped, when the spring stretches naturally When state, the block 550 at both ends protrudes from the outer sleeve 520, and stretches out respectively from one pair of them through-hole.The spring 540 middle parts are fixed in the hollow pipe.

The utility model uses the telescopic rod 5, can be adjusted height, with the height of user to adapt to difference The user of height, as shown in Fig. 2, pressing two baffles 550, spring 540 compresses, so that baffle when needing to adjust height It is retracted into outer sleeve 520, at this time sliding outer cover cylinder 520, until the baffle 550 at 540 both ends of spring snaps onto another pair of lead to Card and fixation in hole, after realization height adjustment；

In another embodiment, the Moveable eye movement adjusting measuring apparatus is the inner sleeve outer surface, described outer Sleeve interior surface is equipped with the sliding slot and draw runner that match along its short transverse respectively, the draw runner along the sliding slot slidably.

In another embodiment, the Moveable eye movement adjusting measuring apparatus, the outer sleeve and inner sleeve surface It coats lubricious.

It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art, Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality It is not limited to specific details and legend shown and described herein with novel.

Claims (5)

1. a kind of Moveable eye movement adjusting measuring apparatus characterized by comprising

Desk body, interior hollow, the upper surface of the desk body opens up a through slot along its length；

Screw rod is set up in the hollow structure of the desk body along the desk body length direction, and the both ends of the screw rod lead to respectively Cross the both ends that bearing is fixed on the desk body, wherein the screw rod is fixed on the inner ring of the bearing, and the outer ring of the bearing is solid Due to the desk body；The screw rod is spliced by two oppositely oriented sub- screw rods；

Two casings are connected through a screw thread are set in outside two sub- screw rods respectively；Each described sleeve pipe passes through vertically-mounted Telescopic rod connect up a snap-gauge, the one side of corresponding two snap-gauges of two casings away from each other fixes a sighting target respectively；

Support rod is parallel to the screw rod in the desk body, and described sleeve pipe is movably set in outside the support rod, is made Obtaining described sleeve pipe can slide along the support rod；

Wherein, the telescopic rod specifically includes: slide over each other the inner sleeve and outer sleeve being arranged, along its height on the side wall of outer sleeve Degree direction opens up multipair through-hole, and each pair of through-hole is distributed along outer sleeve radial symmetric；A hollow pipe, and its are vertically fixed in inner sleeve Both ends respectively lead to described two through-holes；One spring pocket is set in the hollow pipe, and both ends of the spring is separately connected surface circle The block of arcuation, when the spring nature extended state, the block at both ends protrudes from the outer sleeve, and respectively from wherein A pair of of through-hole stretches out.

2. Moveable eye movement adjusting measuring apparatus as described in claim 1, which is characterized in that the inner sleeve outer surface, institute It states outer sleeve inner surface and is equipped with the sliding slot and draw runner matched along its short transverse respectively, the draw runner can be slided along the sliding slot It is dynamic.

3. Moveable eye movement adjusting measuring apparatus as described in claim 1, which is characterized in that be fixed on institute in the middle part of the spring It states in hollow pipe.

4. Moveable eye movement adjusting measuring apparatus as described in claim 1, which is characterized in that the outer sleeve and inner sleeve table Face coating is lubricious.

5. Moveable eye movement adjusting measuring apparatus as described in claim 1, which is characterized in that the sighting target is E visual chart.