CN218630318U

CN218630318U - Pupil distance adjusting mechanism and vision training device

Info

Publication number: CN218630318U
Application number: CN202223164537.0U
Authority: CN
Inventors: 张志平; 王玉龙; 卢鹏
Original assignee: Suzhou Xuanjia Optoelectronics Technology Co ltd
Current assignee: Suzhou Xuanjia Optoelectronics Technology Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-03-14
Anticipated expiration: 2032-11-28

Abstract

The application discloses a pupil distance adjusting mechanism and a vision training device, wherein the pupil distance adjusting mechanism comprises a motor stator, and the motor stator extends along a first direction and comprises an installation surface; the motor rotors are arranged on one side of the mounting surface along the first direction, and one side of the motor rotors, which is far away from the motor stator, is provided with a mounting station for mounting an eyepiece; the motor stator is used for being matched with the motor rotors to adjust the distance between the adjacent motor rotors. This application interpupillary distance adjustment mechanism includes motor stator and a plurality of motor rotor, and each motor rotor supports an installation eyepiece, can high-efficient stable control adjacent motor rotor's interval through motor stator and motor rotor cooperation to drive the eyepiece and adjust the interpupillary distance, effectively simplified interpupillary distance adjustment mechanism's structure, reduced the volume, improved dismouting efficiency, and the operation is stable, high-efficient.

Description

Pupil distance adjusting mechanism and vision training device

Technical Field

The application belongs to the technical field of vision training, and particularly relates to a pupil distance adjusting mechanism and a vision training device.

Background

The vision training instrument trains eye muscles by training the internal and external rotation capacity of eyeballs, leads visual axes of two eyes to continuously move to train three muscles which lead vision, namely ciliary muscles, extraocular muscles and iris muscles, relieves the paralytic rigor state of the muscles by cooperative training, leads the muscles to be strong and flexible, thereby improving the regulating capacity of the eye muscles, and finally achieving the purpose of clearly imaging objects on retinas and recovering vision.

In order to meet the requirements of different users, the vision training instrument needs to adjust the interpupillary distance of the binocular eye pieces. The pupil distance is adjusted to current eyesight training appearance adoption motor and gear complex mode, and the structure is complicated, and the volume is great, and the dismouting is taken time.

Therefore, it is necessary to develop a new pupil distance adjusting mechanism for an eyesight training instrument.

Disclosure of Invention

An object of the application is to provide a interpupillary distance adjustment mechanism and vision training device to current vision training appearance that exists adopts motor and gear complex mode to carry out interpupillary distance adjustment among the solution prior art, and the structure is complicated, and the volume is great, technical problem that the dismouting was taken time.

In order to achieve the above purpose, the present application adopts a technical solution that:

provided is a pupil distance adjusting mechanism, including:

a motor stator extending along a first direction, the motor stator including a mounting surface;

the motor rotors are arranged on one side of the mounting surface along the first direction, and one side of the motor rotors departing from the motor stator is provided with a mounting station for mounting an eyepiece;

the motor stator is used for being matched with the motor rotors to adjust the distance between the adjacent motor rotors.

In one or more embodiments, a guide rail extending along the first direction is installed on the installation surface, a plurality of the motor movers are slidably connected with the guide rail, and the plurality of the motor movers can slide along the length direction of the guide rail.

In one or more embodiments, the motor stator further comprises a fixing seat, and the fixing seat is arranged on one side, away from the motor rotor, of the motor stator to support the motor stator.

In one or more embodiments, the installation station includes first supporting block, first supporting block deviates from be equipped with on one side of motor active cell and be used for the installation the first notch of eyepiece.

In one or more embodiments, the positioning device further comprises a positioning unit, the positioning unit comprising:

the sliding rod fixing seat is arranged on one side of the motor stator in the length direction, and two ends of the sliding rod fixing seat are provided with fixing blocks;

the sliding rod is parallel to the motor stator and is used for connecting the pair of fixing blocks;

the sliding blocks are sleeved on the sliding rods and are connected with the sliding rods in a sliding mode, the sliding blocks slide along the length direction of the sliding rods, and each sliding block is matched with one motor rotor to support and install one eyepiece.

In one or more embodiments, a side of the slider facing the eyepiece is provided with a second notch for mounting the eyepiece.

In one or more embodiments, the motor stator comprises two positioning units, one positioning unit is located on one side of the length direction of the motor stator, the other positioning unit is located on the other side of the length direction of the motor stator, and the two positioning units are symmetrically arranged relative to the motor stator.

In one or more embodiments, the motor stator includes a magnet group extending along the first direction, and the magnet group includes N-pole permanent magnets and S-pole permanent magnets arranged at intervals in a staggered manner; the motor rotor comprises a plurality of magnetic steels arranged along the first direction at intervals and a winding arranged on the magnetic steels in a winding mode.

In one or more embodiments, further comprising a control unit, the control unit comprising:

the output end of the control circuit board is electrically connected with the motor rotor;

the control button is electrically connected with the input end of the control circuit board;

and the power supply is used for supplying power to the control circuit board.

In order to achieve the above object, the present application adopts another technical solution that:

there is provided a vision training device comprising:

the interpupillary distance adjusting mechanism according to any one of the above embodiments;

the eyepieces correspond to the motor rotors one by one, and each eyepiece is installed on the corresponding installation station of the motor rotor.

Different from the prior art, the beneficial effects of this application are:

this application interpupillary distance adjustment mechanism includes motor stator and a plurality of motor rotor, and each motor rotor supports an installation eyepiece, can high-efficient stable control adjacent motor rotor's interval through motor stator and motor rotor cooperation to drive the eyepiece and adjust the interpupillary distance, effectively simplified interpupillary distance adjustment mechanism's structure, reduced the volume, improved dismouting efficiency, and the operation is stable, high-efficient.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a pupil distance adjusting mechanism according to the present invention;

FIG. 2 is a schematic view of an internal structure of an embodiment of a stator of the present application;

fig. 3 is a schematic internal structural diagram of an embodiment of a motor mover according to the present application;

figure 4 is a control schematic diagram of the interpupillary distance adjustment mechanism of the present application.

Reference numerals:

1. a motor stator; 101. a mounting surface; 102. a guide rail; 103. an N-pole permanent magnet; 104. an S-pole permanent magnet;

2. a motor rotor; 201. a first support block; 2011. a first notch; 202. magnetic steel; 203. winding;

3. an eyepiece;

4. a fixed seat;

5. a positioning unit; 501. a slide bar fixing seat; 5011. a fixed block; 502. a slide bar; 503. a slider; 5031. a second notch;

6. a control unit; 601. a control circuit board; 602. a control button; 603. a power source.

Detailed Description

The present application will be described in detail below with reference to embodiments shown in the drawings. The embodiments are not intended to limit the present disclosure, and structural, methodological, or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present disclosure.

At present, current vision training appearance all adopts motor and gear complex mode to carry out interpupillary distance and adjusts, leads to the structure of vision training appearance too complicated, and the volume is great to visual training appearance's dismouting efficiency has been influenced.

In order to solve the problems, the applicant develops a novel interpupillary distance adjusting mechanism, and the adjusting mechanism can effectively simplify the interpupillary distance adjusting structure, reduce the whole volume and ensure stable and reliable operation on the premise of ensuring the interpupillary distance adjusting precision.

Specifically, please refer to fig. 1, wherein fig. 1 is a schematic structural diagram of an embodiment of the pupil distance adjusting mechanism of the present application.

The interpupillary distance adjusting mechanism comprises a motor stator 1 and a pair of motor rotors 2.

Wherein the motor stator 1 is arranged extending along the first direction x and the motor stator 1 comprises a mounting surface 101. The pair of motor movers 2 is arranged on the side of the mounting surface 101 in the first direction.

The motor stator 1 and the pair of motor rotors 2 can be matched to adjust the distance between the adjacent motor rotors 2.

And a mounting station for mounting the ocular lens 3 is arranged on one side surface of the motor rotor 2 departing from the motor stator 1.

Install eyepiece 3 on motor rotor 2 through, the interval that a pair of motor rotor 2 can be adjusted to the cooperation of later motor stator 1 and motor rotor 2 to the realization is to the regulation of a pair of eyepiece 3, realizes the interpupillary distance and adjusts.

It can be understood that this embodiment only shows including a pair of motor active 2 to the technical scheme of a pair of eyepiece 3 regulation interpupillary distance of drive, in other embodiments, interpupillary distance adjustment mechanism can also include the motor active 2 of other quantity, thereby matches different roll adjustment demands, all can realize the effect of this embodiment.

Specifically, in order to ensure the motion stability of the pair of motor movers 2, the mounting surface 101 may mount a guide rail 102 extending along the first direction x, the pair of motor movers 2 is slidably coupled with the guide rail 102, and the pair of motor movers 2 is slidable along the length direction of the guide rail 102.

The interpupillary distance adjustment mechanism still includes fixing base 4, and fixing base 4 sets up and deviates from 2 one sides of motor stator 1 in order to support motor stator 1 at motor stator 1.

In order to guarantee the installation stability of eyepiece 3, the installation station includes first supporting block 201, and first supporting block 201 is equipped with the first notch 2011 that is used for installing eyepiece 3 on deviating from motor active cell 2 one side.

The eyepiece 3 may be fixed to the first support block 201, or may be embedded and fixed by another mechanism, which can achieve the effect of the present embodiment.

In order to further ensure the installation stability and the movement stability of the ocular 3, the pupil distance adjusting mechanism in this embodiment further includes a positioning unit 5, and the positioning unit 5 may include a slide bar fixing base 501, a slide bar 502 and a pair of slide blocks 503.

Specifically, the slide bar fixing seat 501 is manufactured by an injection molding process and is arranged on one side of the motor stator 1 in the length direction, fixing blocks 5011 are arranged at two ends of the slide bar fixing seat 501, and the slide bar fixing seat 501 and the fixing blocks 5011 form a U-shaped structure together.

The sliding rod 502 is parallel to the motor stator 1, the sliding rod 502 sequentially penetrates through the two fixing blocks 5011, and through holes for the sliding rod 502 to penetrate through are formed in the two fixing blocks 5011.

Specifically, the sliding rod 502 is made of stainless steel or an electroplated steel bar, and has a diameter of 3-6mm and a length of 100-150 mm.

The pair of sliding blocks 503 is sleeved on the sliding rod 502, the pair of sliding blocks 503 is slidably connected with the sliding rod 502, the sliding blocks 503 slide along the length direction of the sliding rod 502, the pair of sliding blocks 503 and the pair of motor rotors 2 are arranged in a one-to-one correspondence manner, and each sliding block 503 is matched with one motor rotor 2 to support and mount an eyepiece 3.

Specifically, in this embodiment, a second notch 5031 matched with the eyepiece 3 is provided on a side of the slide 503 facing the eyepiece 3, and the eyepiece 3 is fitted into the second notch 5031. The slider 503 may be provided integrally with the eyepiece 3, or may be provided separately from the eyepiece 3 and fixed integrally therewith, and the effects of the present embodiment can be achieved.

In the embodiment, the two sides of the motor stator 1 are symmetrically provided with the positioning units 5, so that the two ends of the ocular lens 3 are simultaneously supported, and the structural stability is ensured; in other embodiments, the positioning unit 5 may be provided only on one side, and the installation positions of the eyepiece 3 and the slider 503 may be adjusted accordingly, so that the structural stability is ensured, and the effects of the present embodiment can be achieved.

Referring to fig. 2 and 3, fig. 2 is a schematic internal structure diagram of an embodiment of a motor stator 1 of the present application, and fig. 3 is a schematic internal structure diagram of an embodiment of a motor mover 2 of the present application.

The motor stator 1 may include N-pole permanent magnets 103 and S-pole permanent magnets 104 arranged at regular intervals in the first direction x, thereby providing a magnetic field environment.

The motor mover 2 may include a plurality of magnetic steels 202 uniformly spaced along the first direction x and windings 203 wound on the magnetic steels 202, and the windings 203 may be connected to the power lines to be drawn out, so as to control the magnetic field of the motor mover 2 through the power lines to cooperate with the motor stator 1 to realize the movement.

Specifically, referring to fig. 4, fig. 4 is a control schematic diagram of the interpupillary distance adjusting mechanism of the present application, and as shown in the figure, the motor mover 2 may be connected to the control unit 6 through a power line.

The control unit 6 may include a control circuit board 601, the control circuit board 601 may be manufactured by using a POB process, and the size of the control circuit board 601 may be (40-60) mm (25-40) mm 1.0mm, and the control circuit board 601 may be installed with a driving pulse generator circuit, a forward and reverse output control circuit, and MOS power output triodes, so as to provide pulse driving current for the motor movers 2 through power lines, so that the pair of motor movers 2 drives the pair of eyepieces 3 to perform extended range or reduced range movement as required, thereby achieving the purpose of adjusting the interpupillary distance.

The control unit 6 may further include a control button 602 connected to an input end of the control circuit board 601, and the control button 602 may include a distance expansion button and a distance reduction button, so as to drive the pair of motor movers 2 to move towards each other or move towards each other, respectively.

The control unit 6 may further include a power supply 603 connected to the control circuit board 601, the power supply 603 may be a 3.7V polymer lithium ion battery with a capacity of 200-500mA/h, and positive and negative electrode leads thereof are connected to input terminals of the positive and negative power supplies 603 of the control circuit board 601.

The application still provides an eyesight training device, and in an embodiment, this eyesight training device includes interpupillary distance adjustment mechanism and a pair of eyepiece 3 of above-mentioned arbitrary embodiment, a pair of eyepiece 3 and a pair of motor active cell 2 one-to-one, and eyepiece 3 installs on the installation station of the motor active cell 2 that corresponds.

The previous description of the disclosure is provided to enable any person skilled in the art to make or use the disclosure. Various modifications to the disclosure will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other variations without departing from the scope of the disclosure. Thus, the disclosure is not intended to be limited to the examples and designs described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A interpupillary distance adjustment mechanism, comprising:

the motor rotors are arranged on one side of the mounting surface along the first direction, and one side of the motor rotors, which is far away from the motor stator, is provided with a mounting station for mounting an eyepiece;

2. The interpupillary distance adjusting mechanism of claim 1, wherein a guide rail extending in the first direction is installed on the installation surface, a plurality of the motor movers are slidably connected to the guide rail, and a plurality of the motor movers are slidable in a longitudinal direction of the guide rail.

3. The interpupillary distance adjusting mechanism of claim 1, further comprising a fixing base disposed on a side of the motor stator facing away from the motor mover to support the motor stator.

4. The interpupillary distance adjusting mechanism of claim 1, wherein the mounting station comprises a first support block, and a first notch for mounting the eyepiece is arranged on a side of the first support block facing away from the motor rotor.

5. The interpupillary distance adjustment mechanism of claim 1, further comprising a positioning unit, said positioning unit comprising:

the sliding rod is parallel to the motor stator and is used for connecting the pair of fixed blocks;

6. The interpupillary distance adjustment mechanism of claim 5, wherein said slider is provided with a second notch for mounting an eyepiece on a side facing said eyepiece.

7. The interpupillary distance adjustment mechanism of claim 5, comprising two positioning units, wherein one positioning unit is located at one side of the motor stator in the length direction, the other positioning unit is located at the other side of the motor stator in the length direction, and the two positioning units are symmetrically arranged with respect to the motor stator.

8. The interpupillary distance adjustment mechanism of claim 1, wherein the motor stator comprises a set of magnets extending along the first direction, the set of magnets comprising N-pole permanent magnets and S-pole permanent magnets in a staggered and spaced arrangement; the motor rotor comprises a plurality of magnetic steels arranged along the first direction at intervals and a winding arranged on the magnetic steels in a winding mode.

9. The interpupillary distance adjustment mechanism of claim 8, further comprising a control unit, the control unit comprising:

and the power supply is used for supplying power to the control circuit board.

10. A vision training device, comprising:

the interpupillary distance adjustment mechanism of any one of claims 1 to 9;