CN217310813U

CN217310813U - Ophthalmic medical device with interpupillary distance adjusting structure

Info

Publication number: CN217310813U
Application number: CN202220191799.7U
Authority: CN
Inventors: 于健
Original assignee: Aisiya Health Technology Suzhou Co ltd
Current assignee: Aisiya Health Technology Suzhou Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-08-30
Anticipated expiration: 2032-01-24

Abstract

The utility model discloses an ophthalmology medical device with interpupillary distance adjustment structure, ophthalmology medical device including can follow first light source and second light source, the pivot of setting for the direction removal, set up in epaxial eccentric device, eccentric device including the symmetry set up in first eccentric part and the second eccentric part of the axial lead both sides of pivot, first light source with first eccentric part transmission is connected, the second light source with the second eccentric part transmission is connected, works as drive when the pivot rotates eccentric device rotates and makes first light source and second light source are relative the synchronous symmetry of axial lead is close to each other or keeps away from. Compared with the prior art, the pupil distance can be accurately adjusted to meet the requirements of different users, and the structure is simple.

Description

Ophthalmic medical device with interpupillary distance adjusting structure

Technical Field

The utility model relates to an ophthalmology medical device with interpupillary distance adjusting structure.

Background

The optical energy source achieves a medical or health care effect on the eye by emitting light in a preset wavelength range to the eye. In practical application, the light energy source can be used for eye diseases such as myopia, amblyopia, macular degeneration (AMD), diabetic retinopathy, glaucoma and the like. With the annual increase of the incidence of myopia of teenagers in China, taking the myopia of a medical or health-care myopia patient as an example, research shows that the wavelength of the light energy source emission laser is preset to be within the range of the wavelength of the laser capable of medical or health-care myopia, and when the light energy emitted by the light energy source with the wavelength is applied to the eye of the myopia patient, the generation and release of the dopamine on the retina can be induced, so that the myopia development can be reduced and inhibited.

The interpupillary distance adjusting structure of the existing ophthalmic medical device usually comprises a thread structure, but the precision of the interpupillary distance adjusting structure of the ophthalmic medical device cannot be guaranteed because the thread structure is usually not high in adjusting precision and complex in structure, and the manufacturing process and the error of parts are uncontrollable.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem among the prior art, the utility model aims to provide a detachable that simple structure and regulation precision are high has the ophthalmology medical device of interpupillary distance adjustment structure.

In order to achieve one of the above objects, an embodiment of the present invention provides an ophthalmic medical device having a pupil distance adjusting structure, the ophthalmic medical device includes a first light source and a second light source movable along a set direction, a rotating shaft, and an eccentric device disposed on the rotating shaft, the eccentric device includes a first eccentric member and a second eccentric member symmetrically disposed on two sides of an axial line of the rotating shaft, the first light source is in transmission connection with the first eccentric member, the second light source is in transmission connection with the second eccentric member, and when the rotating shaft rotates, the eccentric device is driven to rotate, so that the first light source and the second light source are synchronously and symmetrically moved close to or away from each other relative to the axial line.

As a further improvement of an embodiment of the present invention, the present invention includes a motor, wherein the rotating shaft is an output shaft of the motor.

As a further improvement of an embodiment of the present invention, the center of the first eccentric member and the distance between the shaft axes of the rotation shaft and the center of the second eccentric member and the distance between the shaft axes of the rotation shaft are equal.

As a further improvement of an embodiment of the present invention, the ophthalmic medical device includes at least one shaft on which the first and second light sources are slidably disposed.

As a further improvement of an embodiment of the present invention, the motor is fixedly disposed on the shaft.

As a further improvement of an embodiment of the present invention, the ophthalmic medical device further comprises a first connecting rod connected to the first eccentric member and a second connecting rod connected to the second eccentric member, wherein the first connecting rod and the second connecting rod are symmetrically disposed on two sides of the axial line of the rotating shaft.

As a further improvement of an embodiment of the present invention, the slidable sleeve on the shaft is provided with a first support and a second support, one end of the first connecting rod is fixedly connected to the first support, one end of the second connecting rod is fixedly connected to the second support, the first light source is fixedly arranged on the first support, and the second light source is fixedly arranged on the second support.

As a further improvement of an embodiment of the present invention, the first eccentric member and the second eccentric member are circular.

As a further improvement of an embodiment of the present invention, the other end of the first connecting rod is provided with a first opening fixed to the first eccentric member in cooperation, and the other end of the second connecting rod is provided with a second opening fixed to the second eccentric member in cooperation.

As a further improvement of an embodiment of the present invention, the ophthalmic medical device further comprises a base, wherein the base is provided with at least one pair of limiting grooves for clamping the shaft.

Compared with the prior art, the beneficial effects of the utility model are that: because the utility model discloses an ophthalmology medical device include the pivot with set up in epaxial eccentric device rotates, drives eccentric device when the pivot rotates and make the synchronous symmetry of the axial lead of the relative pivot of first light source and second light source be close to each other or keep away from, can accurately adjust interpupillary distance in order to be suitable for different users' needs, and simple structure.

Drawings

Fig. 1 is a schematic perspective view of an ophthalmic medical device according to the present invention;

fig. 2 is a schematic diagram of an interpupillary distance adjustment structure of an ophthalmic medical device according to an embodiment of the present invention in a smaller interpupillary distance position;

fig. 3 is a schematic diagram of the interpupillary distance adjusting structure of the ophthalmic medical device according to an embodiment of the present invention at a higher interpupillary distance position;

fig. 4 is an exploded view of the interpupillary distance adjustment structure of an ophthalmic medical device according to an embodiment of the present invention;

fig. 5 is a schematic view of an eccentric device of the interpupillary distance adjusting structure of the ophthalmic medical device according to an embodiment of the present invention;

fig. 6 is a schematic view of the eccentric device of the interpupillary distance adjustment structure of the ophthalmic medical device according to an embodiment of the present invention;

FIG. 7 is a schematic bottom view of the structure of FIG. 6;

fig. 8 is a schematic view of an assembly structure of a interpupillary distance adjustment structure of an ophthalmic medical device according to another embodiment of the present invention;

fig. 9 is a schematic view of the base structure of fig. 8.

Wherein: 10. an ophthalmic medical device; 11. a first light source; 12. a second light source; 13. a rotating shaft; 14. an eccentric device; 141. a first eccentric member; 142. a second eccentricity; 15. a motor; 17. a shaft; 18. a first link; 181. a first opening; 19. a second link; 191. a second opening; 21. a first support; 22. a second support; 30. a resetting device; 40. a base; 41. a limiting groove; 42. and (6) tabletting.

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 efforts all belong to the protection scope of the present invention.

As shown in fig. 1-2, an ophthalmic medical device 10 with an interpupillary distance adjusting structure, the ophthalmic medical device 10 includes a first light source 11 and a second light source 12 movable along a set direction, a rotating shaft 13, and an eccentric device 14 disposed on the rotating shaft 13, at least a portion of light emitted from the first light source 11 and the second light source 12 is guided to the user's eye to provide light energy supplement with specific wavelength to the user's retina, and can be used for treating eye diseases such as juvenile myopia or amblyopia, macular degeneration (AMD), diabetic retinopathy, glaucoma, and the like.

Referring to fig. 3, when the user is a teenager, the distance between the first light source 11 and the second light source 12 of the ophthalmic medical device 10 needs to be adjusted to match the pupil distance of the teenager, and the user only needs to input the data of the pupil distance of the user, and adjust the rotating shaft to rotate by the motor or manually adjust the knob to rotate the rotating shaft to the set position, so that the pupil distance of the user can be accurately matched, and the user can obtain a better therapeutic effect. Referring to fig. 4, for example, when the user is an adult, the distance between the first light source 11 and the second light source 12 of the ophthalmic medical device 10 needs to be adjusted to match the larger interpupillary distance of the adult user, and similarly, the user only needs to input the interpupillary distance data of the user and adjust the rotation of the rotating shaft by the motor or manually adjust the knob, so that the rotating shaft rotates to drive the eccentric device to rotate, and the first light source 11 and the second light source 12 move to the set position, thereby completing the interpupillary distance adjustment.

Referring to fig. 5, the eccentric device 14 includes a first eccentric member 141 and a second eccentric member 142 symmetrically disposed on both sides of the axial line of the rotating shaft 13, the first light source 11 is in transmission connection with the first eccentric member 141, the second light source 12 is in transmission connection with the second eccentric member 142, and when the rotating shaft 13 rotates, the eccentric device 14 is driven to rotate, so that the first light source 11 and the second light source 12 are synchronously and symmetrically close to or far away from each other relative to the axial line of the rotating shaft 13. Compared with the prior art, the synchronous symmetrical mutual approaching or the mutual leaving of the axial lead of the relative rotating shaft of the first light source and the second light source can be realized only by the rotating shaft driving the eccentric device, the interpupillary distance can be accurately adjusted to meet the requirements of different users, and the structure is simple.

The shaft 13 of the ophthalmic medical device 10 of the present invention can be manually driven by a user such as a knob to adjust the interpupillary distance, and in a preferred embodiment, the ophthalmic medical device 10 includes a processing unit (not shown) and a motor 15, and the shaft 13 is an output shaft of the motor 15. When a user needs to adjust the interpupillary distance, the user only needs to input a signal for adjusting the interpupillary distance to the ophthalmic medical device 10, a processing unit (not shown) of the ophthalmic medical device 10 sends an adjusting control signal to the motor 15, and the motor 15 is controlled to rotate so that the first light source 11 and the second light source 12 can be synchronously and symmetrically close to each other or far away from each other to a set distance relative to the axis of the rotating shaft, so that the accurate adjustment and control of the interpupillary distance are realized.

In particular, referring to fig. 6-8, the first eccentric 141 and the second eccentric 142 of the ophthalmic medical device 10 are both circular. The distance between the center of the first eccentric member 141 and the axis of the rotating shaft 13 is equal to the distance between the center of the second eccentric member 142 and the axis of the rotating shaft 13. Therefore, when the rotating shaft 13 of the motor 15 rotates, since the first eccentric member 141 and the second eccentric member 142 are disposed symmetrically with respect to the center of the shaft axis of the rotating shaft 13, the first light source 11 and the second light source 12 are driven by the first eccentric member 141 and the second eccentric member 142 to be synchronously and symmetrically close to or far away from each other, so as to precisely adjust the distance between the first light source 11 and the second light source 12 to meet the demands of different user groups.

In a preferred embodiment, the ophthalmic medical device 10 comprises at least one shaft 17, the first light source 11 and the second light source 12 are slidably disposed on the shaft 17, specifically, a first support 21 and a second support 22 are slidably sleeved on the shaft 17, and the first light source 11 and the second light source 12 are respectively fixedly disposed on the first support 21 and the second support 22. The motor 15 is fixedly arranged at one side of the shaft 17, and the rotating shaft 13 of the motor 15 is perpendicular to the shaft 17. The motor 15 in this embodiment may be a stepping motor, and includes a reset device 30 for resetting the motor, but in other alternative embodiments, the motor 15 may also be another dc motor such as a servo motor.

The ophthalmic medical device 10 further includes a first connecting rod 18 connected to the first eccentric member 141 and a second connecting rod 19 connected to the second eccentric member 142, wherein the first connecting rod 18 and the second connecting rod 19 are symmetrically disposed on two sides of the axis of the rotating shaft 13. Slidable cover is equipped with first support 21 and second support 22 on the axle 17, the one end of first connecting rod 18 for the less circular structure of diameter and with first support 21 looks fixed connection, the one end of second connecting rod 19 for the less circular structure of diameter and with second support 22 looks fixed connection, first light source 11 is fixed to be set up on first support 21, second light source 12 is fixed to be set up on second support 22. Therefore, the rotating shaft 13 of the motor 15 selectively drives the first connecting rod 18 and the second connecting rod 19 to synchronously and symmetrically move, so that the first light source 11 on the first support 21 and the second light source 12 on the second support 22 synchronously move relative to the axis of the rotating shaft.

The other end of the first connecting rod 18 is a circular structure with a larger diameter and is provided with a first opening 181 matched and fixed with the first eccentric part 141, and the other end of the second connecting rod 19 is a circular structure with a larger diameter and is provided with a second opening 191 matched and fixed with the second eccentric part 142. Specifically, the first opening 181 is disposed on the first eccentric member 141, the second opening is disposed on the second eccentric member 142, and the rotating shaft 13 passes through the first opening 181 and the second opening 191.

Referring to fig. 9, in another preferred embodiment of the present invention, the ophthalmic medical device 10 further comprises a base 40 fixed on the housing, and the base 40 is provided with at least a pair of limiting grooves 41 for clamping the shaft 17. During assembly, the shaft 17 is placed in the limiting groove 41, and the pressing sheet 42 is fixed above the limiting groove 41 to fix the shaft 17. Since the size of the limit groove 41 can be accurately matched with the outer diameter of the shaft 17 and the shaft 17 can be accurately fixed at a set position, the accuracy of the pupil distance adjustment is determined only by the accuracy of the first holder 21 and the second holder 22 provided on the shaft 17. And the manufacturing process error of the aperture that sets up on first support 21 and the second support 22 and axle 17 matched with is controllable, consequently, on the basis of considering manufacturing process and tolerance, can guarantee the utility model discloses a interpupillary distance is adjusted and is had better measurement accuracy.

The ophthalmic medical device 10 further includes an image capturing device (not shown) for acquiring information of the user's eye and a supplementary lighting unit (not shown) for providing light to the image capturing device for photographing the user's eye. Specifically, the image capturing device acquires the information of eyes of a user, when the user uses the ophthalmological medical device, the two eyes are close to the ophthalmological medical equipment, the positions close to the eyes of the user are provided with a plurality of light supplementing lamps, the image capturing device can be an infrared camera, and the infrared camera can effectively capture the movement tracks of the eyeballs and the pupils clearly. When the image capturing device starts to work, the light supplementing lamp is started and provides a good shooting environment for the image capturing device, so that the shot image is clear and visible, and the condition that the eyes of the user are opened and closed can be analyzed in real time. The image capturing device can perform human eye information capturing on the top-down scanning of the eyes of the user; when the image capturing unit captures the eye information of the user and transmits the eye information to the processing control unit, the processing control unit calculates the received eye information so as to analyze the eye information of the user in the using process of the user in real time and acquire the effective eye-entering work of the first light source 11 and the second light source 12 entering the eyes of the user; when the effective work of entering eyes is more than or equal to the set value, the processing control unit controls the power of entering eyes, the processing control unit controls light rays to stop entering the eyes of the user, and the treatment time of irradiating the eyes of the user by the light energy source can be accurately controlled to ensure the use safety of the user.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. An ophthalmic medical device having a interpupillary distance adjustment structure, comprising: ophthalmic medical device including can follow first light source and second light source, pivot that the direction of setting for removed, set up in epaxial eccentric device rotates, eccentric device including the symmetry set up in first eccentric part and the second eccentric part of the axial lead both sides of pivot, first light source with first eccentric part transmission is connected, the second light source with the second eccentric part transmission is connected, works as it drives when the pivot rotates eccentric device rotates and makes first light source and second light source are relative the synchronous symmetry of axial lead is close to each other or is kept away from.

2. An ophthalmic medical device having a interpupillary distance adjustment structure according to claim 1, wherein: the motor is arranged on the rotating shaft, and the rotating shaft is an output shaft of the motor.

3. An ophthalmic medical device having a interpupillary distance adjustment structure according to claim 1, wherein: the distance between the center of the first eccentric part and the axis of the rotating shaft is equal to the distance between the center of the second eccentric part and the axis of the rotating shaft.

4. An ophthalmic medical device having a interpupillary distance adjustment structure according to claim 2, wherein: the ophthalmic medical device includes at least one shaft on which the first and second light sources are slidably disposed.

5. An ophthalmic medical device having a interpupillary distance adjustment structure according to claim 4, wherein: the motor is fixedly arranged on the shaft.

6. An ophthalmic medical device having a interpupillary distance adjustment structure according to claim 1, wherein: the ophthalmic medical device further comprises a first connecting rod connected with the first eccentric part and a second connecting rod connected with the second eccentric part, and the first connecting rod and the second connecting rod are symmetrically arranged on two sides of the axis of the rotating shaft.

7. An ophthalmic medical device having a interpupillary distance adjustment structure according to claim 6, wherein: the light source device comprises a shaft, a first support and a second support are slidably sleeved on the shaft, one end of a first connecting rod is fixedly connected with the first support, one end of a second connecting rod is fixedly connected with the second support, a first light source is fixedly arranged on the first support, and a second light source is fixedly arranged on the second support.

8. An ophthalmic medical device having a interpupillary distance adjustment structure according to claim 6, wherein: the first eccentric piece and the second eccentric piece are both circular.

9. An ophthalmic medical device having a interpupillary distance adjustment structure according to claim 7, wherein: the other end of the first connecting rod is provided with a first opening which is matched and fixed with the first eccentric part, and the other end of the second connecting rod is provided with a second opening which is matched and fixed with the second eccentric part.

10. An ophthalmic medical device having a interpupillary distance adjustment structure according to claim 4, wherein: the ophthalmic medical device further comprises a base, wherein at least one pair of limiting grooves used for clamping the shaft are arranged on the base.