CN218585120U

CN218585120U - Variable-focus glasses

Info

Publication number: CN218585120U
Application number: CN202223044249.1U
Authority: CN
Inventors: 吴文静; 许云初
Original assignee: Jiangsu Yunlian Intelligent Medical Equipment Co ltd
Current assignee: Jiangsu Yunlian Intelligent Medical Equipment Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-03-07
Anticipated expiration: 2032-11-16
Also published as: JP3241570U; TWM645512U

Abstract

The utility model relates to the technical field of spectacles, in particular to variable-focus spectacles, which comprise a body, a left spectacle leg, a right spectacle leg and a nose support, wherein the left spectacle leg and the right spectacle leg are both connected with the body; the transmission mechanism comprises a driving piece and a transmission piece, a driving gear is connected to the driving piece, the transmission piece comprises two screw shafts, driven gears are connected to the two screw shafts, the driving gear is meshed with the driven gears, sliders are arranged on the two screws, and the two lenses are connected with the two sliders respectively. The utility model discloses a variable focus glasses, slider stability and motion accuracy are high in the motion process, and two lenses stability is good when removing, and it is high to remove the precision, uses more comfortablely, is favorable to the vision to resume the training.

Description

Variable-focus glasses

Technical Field

The utility model relates to a glasses technical field especially relates to a glasses can zoom.

Background

At present, more and more myopia crowds exist, more and more teenagers have the myopia problem, the main reason of the myopia is excessive myopia, the bad eye using mode is changed, asthenopia is relieved, the self-adjusting function of eyeballs is recovered, and the method is an effective method for improving the myopia at present. In addition, training of vision through auxiliary devices is also an effective means for rapid correction of pseudomyopia, and thus, in recent years, devices for improving vision have been increasing.

The existing zoom glasses have the following improvements:

1. although the existing zoom eye can realize zooming, a manual control transmission mechanism is generally needed, and the automation degree is not high;

2. the transmission stability and precision of the existing transmission mechanism are difficult to meet the requirement of precision transmission, and the transmission stability and precision influence the stability and motion precision of the lens in the motion process and influence the vision recovery training;

3. the existing zoom glasses cannot adjust the variation range of the degree of the intelligent zoom glasses according to the distance between a target watched by a user and eyes, and because the required degree is different when the user looks at a distant view and a close view, the existing intelligent zoom glasses cannot automatically change the degree according to the distance between the target watched and the eyes, so that the training effect is poor, and therefore the training needs to be improved.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that the drive mechanism transmission stability and the transmission precision of current varifocus glasses are difficult to satisfy accurate driven requirement, influence the stability and the motion precision in the lens motion process, influence the vision and resume the training.

In order to solve the technical problem, the utility model provides a glasses can zoom, slider stability and motion accuracy height in the motion process, two lenses stability when removing is good, and the removal accuracy is high, uses more comfortablely, is favorable to the vision to resume the training.

The utility model provides a technical scheme that above-mentioned technical problem adopted is: a pair of variable-focus glasses comprises a body, a left glasses leg, a right glasses leg and a nose support, wherein the left glasses leg and the right glasses leg are both connected with the body;

the transmission mechanism comprises a driving piece and a transmission piece, a driving gear is connected to the driving piece, the transmission piece comprises two screw shafts, driven gears are connected to the two screw shafts, the driving gear is meshed with the driven gears, sliding blocks are arranged on the two screw shafts, and the two lenses are respectively connected with the two sliding blocks.

The utility model discloses a glasses can zoom carries out the transmission through the gear between two lead screws and the driving piece and is connected, and the transmission precision is high, and the stability of slider motion is good, removes the in-process that drives two lenses and remove at the slider, and the stability that the lens removed also can be higher with the removal precision, consequently, when using glasses, the comfort level is higher, is favorable to the vision to resume the training.

Furthermore, the rotating directions of the two screw rods are opposite, so that the two sliding blocks move in opposite directions under the driving action of the driving piece.

Further, a guide device and/or an auxiliary guide device are/is arranged in the installation cavity, the guide device and the auxiliary guide device are arranged in parallel with the screw rod, and the guide device and the auxiliary guide device are connected with the two sliding blocks in a sliding mode.

Furthermore, the guide device comprises two guide shafts arranged in parallel with the screw rod, and the two guide shafts are respectively connected with the two screw rods in a sliding manner.

Furthermore, the auxiliary guide device comprises two guide strips arranged in parallel with the screw rod, a sliding groove matched with the guide strips is formed in the sliding block, and the sliding block is in sliding fit with the guide strips.

Further, the slider is connected with the lens through two magnetic suction pieces.

Further, fixedly connected with magnet on the lens, install another magnet on the slider, be equipped with the assembly groove of assembly magnet on the slider.

Further, be equipped with the controller in the organism, the front side of organism is provided with distance sensor, the organism rear side is provided with wears the sensor, distance sensor all is connected with the controller electricity with wearing the sensor, the controller is connected with the driving piece electricity to control drive mechanism.

Furthermore, install the circuit board on the organism, be equipped with two limit switch on the circuit board, two limit switch are located two extreme position departments around one of them slider motion respectively, and two limit switch all are connected with the controller electricity.

Further, the first lens and the second lens are both single-side variable focal length lenses, one side of each lens is a plane, and the other side of each lens is a free-form surface.

The utility model discloses a glasses can zoom has following beneficial effect:

1. through the controller, wear sensor and distance sensor's cooperation, the controller can control drive mechanism and adjust the position of first lens and second lens automatically, and it is more convenient to use.

2. Through gear drive between driving piece and two lead screws, during the installation, only need with driving gear and driven gear meshing can, transmission stability and transmission precision are high, and the installation with dismantle conveniently, are favorable to the maintenance of equipment and the change of spare part, save installation and takedown time, and simple structure, the cost is lower.

3. Set up two travel switch on the circuit board, two slider initial positions are located the intermediate position of two lead screws respectively, and two sliders move simultaneously, and the direction of motion is opposite, and when the slider removed extreme position, when two limit switch departments promptly, controller stop motion or control driving piece back drive, for some mechanical structure's spacing, spacing precision is high, and spacing stability is good, and with low costs.

4. The lens is connected through the mode of magnetism with being connected of slider, and it is convenient to connect, and can dismantle, makes things convenient for the assembly and the maintenance of equipment to change.

5. The slider is guided to the upper side and the lower side of the lead screw simultaneously through the guide shaft and the guide strip, so that the stability and the motion precision of the slider are improved, the slider is prevented from generating small shaking in the machine body, the motion stability of the slider is further improved, the moving stability of the lens is further improved, and the comfort of a user is improved.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of the overall structure of the variable focus spectacles of the present invention.

Fig. 2 is a schematic view of the assembly of the base and the temple of the variable focus spectacles according to the present invention.

Fig. 3 is a schematic structural diagram of the transmission mechanism of the present invention.

Fig. 4 is an assembly schematic diagram of the transmission mechanism of the present invention.

Fig. 5 is a schematic structural diagram of the first lens and the second lens of the present invention.

In the figure: 1. a body; 2. temples; 3. a nose pad; 4. a first lens; 5. a second lens; 6. a distance sensor; 7. wearing a sensor; 8. an upper shell; 9. a lower case; 10. a drive member; 11. a first lead screw; 12. a second lead screw; 13. a first slider; 14. a second slider; 15. a first gear; 16. a second gear; 17. a third gear; 18. a circuit board; 19. a limit switch; 20. a first magnet; 21. a second magnet; 22. a third magnet; 23. a fourth magnet; 24. a first guide shaft; 25. a first guide bar; 26. a second guide shaft; 27. a second guide bar; 28. a first guide groove; 29. a second guide groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", 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 of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 as a specific case by those skilled in the art.

As shown in fig. 1 to 5, the utility model discloses a preferred embodiment, a pair of variable focus glasses, including organism 1, about two mirror legs 2 and nose hold in the palm 3, nose holds in the palm 3 and sets up the one side that is close to the human body at organism 1, about two mirror legs 2 all are connected with organism 1, install two lenses on the organism 1, be first lens 4 and second lens 5 respectively, first lens 4 and second lens 5 range from beginning to end and set up and partial region overlaps, be equipped with the installation cavity in the organism 1, be equipped with drive mechanism in the installation cavity, first lens 4 and second lens 5 all are connected with the drive mechanism transmission, drive mechanism drives first lens 4 and second lens 5 side-to-side motion, first lens 4 and second lens 5's direction of motion is opposite, first lens 4 and second lens 5 are the one-sided variable focus lens, concrete two faces that lean on each other are the plane, two faces that carry on the back mutually are the free curved surface.

Be equipped with installation drive mechanism's casing in the organism 1, the casing includes epitheca 8 and inferior valve 9, the inside vacuole formation of epitheca 8 and inferior valve 9, drive mechanism is including installing driving piece 10 and the driving medium in the cavity, set up the driving gear on the output shaft of driving piece 10, the driving gear is first gear 15, the driving medium includes two lead screws, coaxial coupling has driven gear on two lead screws, driven gear and driving gear meshing, all be equipped with the slider on two lead screws, two sliders are connected with two lenses respectively.

The two screw rods are respectively a first screw rod 11 and a second screw rod 12, a driven gear at one end of the first screw rod 11 is a second gear 16, the second gear 16 is coaxially and fixedly connected with the first screw rod 11, a first gear 15 is meshed with the second gear 16 to realize transmission connection of a driving piece 10 and the first screw rod 11, a driven gear at one end of the second screw rod 12 is a third gear 17, the third gear 17 is coaxially and fixedly connected with the second screw rod 12, the third gear 17 is meshed with the first gear 15, a first sliding block 13 is arranged on the first screw rod 11, the first screw rod 11 penetrates through the first sliding block 13 and is in threaded connection with the first sliding block 13, the first sliding block 13 is connected with a first lens 4, a second sliding block 14 is arranged on the second screw rod 12, the second screw rod 12 penetrates through the second sliding block 14 and is in threaded connection with the second sliding block 14, the second sliding block 14 is connected with a second lens 5, the screwing directions of the first screw rod 11 and the second screw rod 12 are opposite, and when the driving piece 10 drives the first screw rod 11 and the second screw rod 12 to rotate, the driving piece 13 and the second sliding block 14 move in opposite directions.

The circuit board 18 is installed on the lower shell 9, two limit switches 19 are arranged on the circuit board 18, the two limit switches 19 are respectively located at the front limit position and the rear limit position of the first sliding block 13, the two limit switches 19 are electrically connected with the controller, and the controller is electrically connected with the driving piece 10.

The slider is inhaled the piece with the lens through two magnetism and is connected, be provided with first magnet 20 on the first slider 13, be equipped with the first mounting groove of the first magnet 20 of installation on the first slider 13, first magnet 20's shape and first mounting groove looks adaptation, it is specific, the shape of first magnet 20 and first mounting groove is the dovetail shape, the assembly of being convenient for, and can prevent that first magnet 20 from droing from first mounting groove, be provided with second magnet 21 on the first lens 4, first magnet 20 and the mutual magnetism of second magnet 21 are inhaled in order to be connected first slider 13 and first lens 4. Be equipped with third magnet 22 on the second slider 14, be equipped with the second mounting groove on the second slider 14, the shape and the second mounting groove looks adaptation of third magnet 22 are equipped with fourth magnet 23 on the second lens 5, and third magnet 22 and fourth magnet 23 magnetism inhale each other in order to be connected second slider 14 and second lens 5.

The mounting cavity is also internally provided with a guide device and an auxiliary guide device, the guide device and the auxiliary guide device are respectively arranged at two sides of the screw rod, the guide device comprises two guide shafts which are respectively a first guide shaft 24 and a second guide shaft 26, the auxiliary guide device comprises two guide strips which are respectively a first guide strip 25 and a second guide strip 27, the first guide shaft 24 is arranged below the first screw rod 11, the first slide block 13 is connected with the first guide shaft 24 in a sliding way, the first guide strip 25 is arranged above the first screw rod 11, and the first slide block 13 is matched with the first guide strip 25 in a sliding way; the second guide shaft 26 is located below the second lead screw 12, the second slider 14 is connected with the second guide shaft 26 in a sliding mode, the second guide strip 27 is located above the second lead screw 12, the second lead screw 12 is in sliding fit with the second guide strip 27, the upper shell 8 is provided with three strip-shaped holes, a first guide strip 25 and a second guide strip 27 are formed between the three strip-shaped holes, the first slider 13 is provided with a first guide groove 28 matched with the first guide strip 25, and the second slider 14 is provided with a second guide groove 29 matched with the second guide strip 27.

The internal controller that is equipped with of organism 1, the front side of organism 1 is provided with distance sensor 6, and the organism 1 rear side is provided with wears sensor 7, and distance sensor 6 all is connected with the controller electricity with wearing sensor 7, and the controller is connected with drive mechanism electricity to control drive mechanism.

The utility model discloses a glasses can zoom has following beneficial effect:

1. through the controller, wear sensor 7 and distance sensor 6's cooperation, the controller can control drive mechanism and adjust the position of first lens 4 and second lens 5 automatically, and it is more convenient to use.

2. Through gear drive between driving piece 10 and two lead screws, during the installation, only need with driving gear and driven gear meshing can, transmission stability and transmission precision are high, and the installation with dismantle the convenience, are favorable to the maintenance of equipment and the change of spare part, save installation and dismantlement time, and simple structure, the cost is lower.

3. Two travel switches are arranged on the circuit board 18, the initial positions of the two sliding blocks are respectively located at the middle positions of the two screw rods, the two sliding blocks move simultaneously, the moving directions are opposite, when the sliding blocks move to the limit positions, namely the two limit switches 19, the controller stops moving or controls the driving piece 10 to drive reversely, and compared with the limit of some mechanical structures, the limit precision is high, the limit stability is good, and the cost is low.

4. The lens is connected through the mode of magnetism with being connected of slider, connects conveniently, and can dismantle, makes things convenient for the assembly and the maintenance change of equipment.

5. The slider is guided to the upper side and the lower side of the lead screw simultaneously through the guide shaft and the guide strip, so that the stability and the motion precision of the slider are improved, the slider is prevented from generating small shaking in the machine body 1, the motion stability of the slider is further improved, the moving stability of the lens is further improved, and the comfort of a user is improved.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined by the scope of the claims.

Claims

1. Variable-focus glasses comprise a body (1), a left glasses leg and a right glasses leg (2) and a nose support (3), wherein the left glasses leg and the right glasses leg (2) are both connected with the body (1), and the variable-focus glasses are characterized in that two overlapped lenses are mounted on the body (1), a mounting cavity is arranged in the body (1), a transmission mechanism is arranged in the mounting cavity, and the two lenses are both in transmission connection with the transmission mechanism;

the transmission mechanism comprises a driving part (10) and a transmission part, a driving gear is connected to the driving part (10), the transmission part comprises two screw shafts, driven gears are connected to the two screw shafts, the driving gear is meshed with the driven gears, sliders are arranged on the two screw shafts, and the two lenses are respectively connected with the two sliders.

2. The variable focus spectacles of claim 1, wherein: the rotating directions of the two screw rods are opposite, so that the two sliding blocks move in opposite directions under the driving action of the driving piece (10).

3. The variable focus spectacles of claim 1, wherein: the guide device and/or the auxiliary guide device are/is arranged in the mounting cavity, the guide device and/or the auxiliary guide device are/is arranged in parallel with the screw rod, and the guide device and/or the auxiliary guide device are/is connected with the two sliding blocks in a sliding mode.

4. The variable focus spectacles of claim 3, wherein: the guide device comprises two guide shafts which are arranged in parallel with the screw rods, and the two guide shafts are respectively connected with the two screw rods in a sliding manner.

5. The variable focus spectacles of claim 3, wherein: the auxiliary guide device comprises two guide strips arranged in parallel with the screw rod, a sliding groove matched with the guide strips is formed in the sliding block, and the sliding block is in sliding fit with the guide strips.

6. The variable focus spectacles of claim 1, wherein: the slider is connected with the lens through two magnetic suction pieces.

7. The variable focus spectacles of claim 1, wherein: the lens is characterized in that a magnet is fixedly connected to the lens, another magnet is mounted on the sliding block, and an assembly groove for assembling the magnet is formed in the sliding block.

8. The variable focus spectacles of claim 1, wherein: the novel robot is characterized in that a controller is arranged in the machine body (1), a distance sensor (6) is arranged on the front side of the machine body (1), a wearing sensor (7) is arranged on the rear side of the machine body (1), the distance sensor (6) and the wearing sensor (7) are electrically connected with the controller, and the controller is electrically connected with a driving piece (10) to control a transmission mechanism.

9. The variable focus spectacles of claim 1, wherein: install circuit board (18) on organism (1), be equipped with two limit switch (19) on circuit board (18), two limit switch (19) are located two extreme position departments around one of them slider motion respectively, and two limit switch (19) all are connected with the controller electricity.

10. The variable focus spectacles of claim 1, wherein: the two lenses are single-side variable focus lenses, one side of each lens is a plane, and the other side of each lens is a free-form surface.