CN110412775B - Dynamic zoom glasses - Google Patents
Dynamic zoom glasses Download PDFInfo
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- CN110412775B CN110412775B CN201910845686.7A CN201910845686A CN110412775B CN 110412775 B CN110412775 B CN 110412775B CN 201910845686 A CN201910845686 A CN 201910845686A CN 110412775 B CN110412775 B CN 110412775B
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- rotating frame
- frame
- rotating
- lens
- flexible
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/08—Auxiliary lenses; Arrangements for varying focal length
- G02C7/081—Ophthalmic lenses with variable focal length
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/08—Auxiliary lenses; Arrangements for varying focal length
- G02C7/086—Auxiliary lenses located directly on a main spectacle lens or in the immediate vicinity of main spectacles
Abstract
The invention relates to a dynamic zoom lens, which consists of a hard lens and a flexible lens closely attached to the front lens surface of the hard lens; the picture frame comprises a fixed frame, a first rotating frame and a second rotating frame; the hard lens is embedded in the fixed frame, and the periphery of the flexible lens passes through the through hole of the second rotating frame through nylon drawn wires and then is connected to the circumferential wall on the inner side of the first rotating frame; a plurality of damping clamping mechanisms are uniformly arranged on the front side of the nylon drawn wire and in the circumferential direction between the first rotating frame and the second rotating frame; the first rotating frame and the second rotating frame can rotate mutually, so that the flexible lens is stretched towards the periphery to dynamically adjust the focal length. The invention has reliable structure and strong durability, realizes the adjustment of dynamic focal length and meets the change of different eye degrees.
Description
Technical Field
The invention relates to the field of glasses, in particular to dynamic zoom glasses.
Background
At present, the degree of conventional glasses cannot be adjusted, when the degree of glasses cannot meet the requirements of users after being used for a period of time, or when the users watch a certain place for a while, the conventional glasses cannot adjust the focal length, especially students or computer workers with high learning pressure frequently use eyes, the degree of eyes is easy to fatigue, or the degree of far vision of the old people is increased, and the like, and the conventional glasses can only be replaced by glasses, and the conventional research on the degree adjustment of the glasses also exists, such as the combination of a plurality of lenses, the overlapping arrangement or the adjustment of the distance, however, the degree of adjustment of the combination of a plurality of lenses cannot be dynamic, only the degree can be superposed, the distance adjustment makes the structure of the glasses complex, the glasses are inconvenient to wear, and the distance adjustment is realized by filling liquid into the glasses, however, the definition of the glasses can be influenced by the residue of liquid drops in the process, meanwhile, the adjusting structure in the prior art is not reliable enough and is inconvenient to use.
Disclosure of Invention
In order to solve the above problems, the present invention provides a dynamic zoom lens, wherein the lens comprises a hard lens and a flexible lens closely attached to the front lens surface of the hard lens; the picture frame comprises a fixed frame, a first rotating frame and a second rotating frame; the periphery of the flexible lens is connected to the inner circumferential wall of the first rotating frame after passing through the through hole of the second rotating frame through nylon drawn wires; a plurality of damping clamping mechanisms are uniformly arranged on the front side of the nylon drawn wire and in the circumferential direction between the first rotating frame and the second rotating frame; the first rotating frame rotates relative to the second rotating frame to overcome the damping force of the damping clamping mechanism, so that the nylon drawn wires stretch the flexible lenses to the periphery, and then the focal length is dynamically adjusted. The invention can also realize the adjustment of dynamic focal length on the basis of the original focal length through the hard lens and the flexible lens, and meets the change of different eye degrees.
The invention is realized by the following steps:
a dynamic zoom glasses comprises a frame, lenses, a frame support, a nose support and glasses legs; the lens is round and consists of a hard lens and a flexible lens closely attached to the front mirror surface of the hard lens; the diameter of the flexible lens is smaller than that of the hard lens; the mirror frame is annular and comprises a fixed frame, a first rotating frame and a second rotating frame; the hard lens is embedded in the fixed frame, and the periphery of the flexible lens passes through the through hole of the second rotating frame through nylon drawn wires and then is connected to the circumferential wall on the inner side of the first rotating frame; a plurality of damping clamping mechanisms are uniformly arranged on the front side of the nylon drawn wire and in the circumferential direction between the first rotating frame and the second rotating frame; the first rotating frame and the second rotating frame can rotate mutually, so that the flexible lens is stretched towards the periphery to dynamically adjust the focal length.
The hard lens is a configured basic power, the power of the hard lens is matched with the power of the flexible lens and is configured according to the current eye power of a user, the original state of the flexible lens can meet the current requirement of a myopic user, the flexible lens is stretched through the rotating frame and the nylon wire drawing, the focal length is further adjusted, the power is adjusted, a hyperopic user, the flexible lens is in the stretching maximum state when the glasses are configured, and the flexible lens is adjusted reversely, namely the flexible lens is relaxed.
In a preferred embodiment of the present invention, after the first rotating frame is rotated to overcome the damping force of the damping clamping mechanism, the nylon wire is drawn to stretch the flexible lens around to dynamically adjust the focal length, and the damping force of the damping clamping mechanism after adjustment prevents the first rotating frame and the second rotating frame from rotating relatively.
One hand keeps the second rotating frame to be fixed, the other hand rotates the first rotating frame to overcome the damping force of the damping clamping mechanism and then enables the nylon drawn wires to stretch all around the flexible lens to dynamically adjust the focal length, and the damping clamping mechanism of the hand is loosened after the adjustment is finished to place the two rotating frames to rotate mutually.
In a preferred embodiment of the present invention, the nylon clamping mechanism comprises a clamping pin disposed on the first rotating frame, a clamping sleeve and a spring, and an outer gear ring disposed on the second rotating frame; the clamping pin comprises a pin shaft and a tooth-shaped head, the tooth-shaped head is arranged at the front end of the pin shaft and is meshed with teeth of the outer gear ring, the spring is sleeved on the pin shaft and is abutted between the tooth-shaped head and the first rotating frame, the pin shaft is inserted into the through hole in the first rotating frame and slides in the through hole under the action of the spring force, and the clamping sleeve is sleeved on the outer side of the spring and is fixedly arranged at the through hole; the length of the clamping sleeve is 1/4 the natural length of the spring to ensure that the clamping pin has enough sliding distance.
The clamping is realized through the gear ring and the pins with the tooth shapes, however, the clamping cannot be completely clamped, so that the pressing force is required to be adjusted by the spring, when the rotating force overcomes the pressing force of the spring, the rotating frame rotates, the teeth of the tooth-shaped head and the gear ring are provided with arc chamfers, the tooth-shaped head can smoothly slide without being clamped, and the up-down moving range is just good for the separation of the tooth-shaped head and the gear ring. The pin shaft is inserted into the through hole of the first rotating frame, so that the pin shaft is prevented from being separated, and the clamping sleeve realizes the fixing and auxiliary orientation effects of the spring.
According to a preferable embodiment of the invention, a thumb wheel and a rotating rod mechanism are arranged in each glasses leg, the center part of the thumb wheel is positioned in each glasses leg, and two sides of the thumb wheel respectively protrude out of each glasses leg; the outer ring of the second rotating frame is provided with a pinion which is meshed with the outer gear ring, one end of the rotating rod mechanism is rotatably connected with the shifting wheel, the other end of the rotating rod mechanism is fixedly connected with the pinion, the shifting wheel is shifted to drive the rotating rod mechanism to rotate, so that the small gear drives the second rotating frame to overcome the damping force of the damping clamping mechanism and then stretch the nylon drawn wires to the periphery, the flexible lenses and the dynamic focal length are adjusted, and the damping force of the damping clamping mechanism after adjustment prevents the first rotating frame and the second rotating frame from rotating relatively.
Set up the thumb wheel through setting up on the mirror leg and can keep first rotation frame motionless by one hand, another finger is stirred the thumb wheel and is driven the second and rotate the frame and rotate, and such benefit is that two hands can not mutual interference, and it is more convenient to adjust, and the action range of adjusting simultaneously is also little.
In a preferred embodiment of the present invention, the lower end of the dial wheel is fixedly connected with a first bevel gear or a first umbrella-shaped friction wheel; the rotating rod mechanism comprises a second bevel gear or a second bevel friction wheel, a rotating rod and a metal flexible shaft, the second bevel gear or the second bevel friction wheel is fixed at one end of the rotating rod and is positioned at one side of the shifting wheel, and the second bevel gear is perpendicular to the first bevel gear or the second bevel friction wheel is perpendicular to the first bevel friction wheel; the metal flexible shaft is fixed at the other end of the rotating rod and is fixedly connected with the pinion.
The conversion of vertical direction motion can be realized through a pair of umbrella type wheel for adjustment mechanism can set up very conveniently with the mirror leg inside, considers mirror leg and picture frame in addition and needs folding, passes through the metal flexible axle at dwang and pinion connection position and fixes, both transmission torsion can buckle again.
In a preferred embodiment of the present invention, the second rotating frame, the first rotating frame and the fixed frame are sequentially disposed from front to back; a first annular convex strip is arranged in the circumferential direction of the connecting surface of the first rotating frame and the fixed frame and is clamped with a first annular groove at the corresponding position of the fixed frame; a second annular convex strip is arranged in the circumferential direction of the connecting surface of the second rotating frame and the first rotating frame, and the second annular convex strip is clamped with a second annular groove in the corresponding position of the first rotating frame; the cross-sectional shapes of the convex strips and the grooves are circular.
Rotate between frame and the fixed frame through sand grip and groove joint, can make both cards establish fixedly on the one hand, on the other hand can realize rotating the nimble rotation between frame and the fixed frame, and circular shape sand grip and groove make convenient assembling.
In a preferred embodiment of the present invention, a baffle ring is disposed at the front end of the second rotating frame, and an inner diameter of the baffle ring is slightly smaller than an outer diameter of the flexible lens, specifically, the inner diameter of the baffle ring is slightly smaller than the outer diameter of the flexible lens by 2-3 mm.
The inner diameter of the baffle ring is slightly smaller than the outer diameter of the flexible lens, so that the connecting part of the nylon drawn wires can be blocked, and the appearance is more attractive.
In a preferred embodiment of the present invention, the frame support and the temples are connected to the fixing frame.
In a preferred embodiment of the invention, the flexible lens is made of a high-transparency elastic gel material, the thickness of the flexible lens is gradually reduced from the middle to the periphery, the thickness of the periphery is 1.5mm, the maximum thickness of the middle is 7mm, and the minimum thickness of the stretched middle is 3mm, so that the spectacle power adjustment of 200 degrees can be realized.
In a preferred embodiment of the invention, a layer of 0.1mm polyvinyl alcohol moisturizing lubricating fluid is adhered between the flexible lens and the hard lens.
A thin layer of lubricating liquid is adhered between the lenses, so that the lenses can smoothly move without influencing the definition of the glasses.
In a preferred embodiment of the present invention, the polyvinyl alcohol moisturizing lubricating fluid comprises 15 to 20 wt% of polyvinyl alcohol, 0.2 to 0.5 wt% of silicate ester, 1.0 to 2 wt% of ethylene glycol, 1.2 to 1.5 wt% of fatty carboxylic acid ethoxylated derivative and 10 to 15 wt% of water.
The pressure resistance of the lubricating liquid can be greatly improved by adding silicate ester, so that the hard and flexible lenses can be attached to the maximum extent; the glycol enables the wetting liquid to increase the stability of the whole formula; the fatty carboxylic acid ethoxylated derivative can cause a stress imbalance in the foam such that the foam breaks without the tendency to fine bubbles.
In a preferred embodiment of the present invention, two ends of the nylon drawn wire are respectively bonded to the flexible lens and the first rotating frame after being vulcanized by pressing, heating and using silica gel.
The silica gel has strong adhesive force after being pressurized, heated and vulcanized, and can be adhered to spectacle frames and lenses made of different materials.
According to a preferable embodiment of the invention, the number of the nylon drawn wires is 6, the nylon drawn wires are uniformly distributed around the flexible lens, and the number of the damping clamping mechanisms is 25.
In a preferred embodiment of the present invention, the frame is made of a mixture of metal and plastic, and the plastic covers the periphery of the metal.
The mirror frame made of metal and plastic has toughness and strength.
The invention has at least the following beneficial effects:
the hard lens is a configured basic power, the power of the hard lens is configured according to the current eye power of a user in cooperation with the power of the flexible lens, the original state of the flexible lens can meet the current requirement of a myopic user, the flexible lens is stretched by rotating the frame and nylon wire drawing, the focal length is adjusted, namely the power is adjusted, and a hyperopic user is in the maximum stretching state when configuring glasses, and the flexible lens is adjusted reversely, namely the flexible lens is relaxed;
the clamping is realized through the gear ring and the pins with the tooth shapes, however, the clamping cannot be completely clamped, so that the pressing force is required to be adjusted by the spring, when the rotating force overcomes the pressing force of the spring, the rotating frame rotates, the teeth of the tooth-shaped head and the gear ring are provided with arc chamfers, the tooth-shaped head can smoothly slide without being clamped, and the up-down moving range is just good for the separation of the tooth-shaped head and the gear ring. The pin shaft is inserted into the through hole of the first rotating frame, so that the pin shaft is prevented from being separated, and the clamping sleeve realizes the fixing and auxiliary orientation effects of the spring.
The flexible lens is made of a high-transparency elastic gel material, the thickness of the flexible lens is gradually reduced from the middle to the periphery, the thickness of the periphery is 1.5mm, the maximum thickness of the middle is 7mm, the minimum thickness of the stretched middle is 3mm, and the degree of the glasses can be adjusted by 200 degrees.
Set up the thumb wheel through setting up on the mirror leg and can keep first rotation frame motionless by one hand, another finger is stirred the thumb wheel and is driven the second and rotate the frame and rotate, and such benefit is that two hands can not mutual interference, and it is more convenient to adjust, and the action range of adjusting simultaneously is also little.
The conversion of vertical direction motion can be realized through a pair of umbrella type wheel for adjustment mechanism can set up very conveniently with the mirror leg inside, considers mirror leg and picture frame in addition and needs folding, passes through the metal flexible axle at dwang and pinion connection position and fixes, both transmission torsion can buckle again.
The pressure resistance of the lubricating liquid can be greatly improved by adding silicate ester, so that the hard and flexible lenses can be attached to the maximum extent; the glycol enables the wetting liquid to increase the stability of the whole formula; the fatty carboxylic acid ethoxylated derivative can cause a stress imbalance in the foam such that the foam breaks without the tendency to fine bubbles.
Drawings
FIG. 1 is a schematic view of the construction of the eyeglasses of the present invention;
FIG. 2 is an enlarged partial schematic view of the damping clamping mechanism of the present invention;
FIG. 3 is an enlarged, partially schematic, cross-sectional view of the eyewear of the present invention;
FIG. 4 is a schematic cross-sectional view of a flexible lens of the present invention in an unstretched state;
FIG. 5 is a schematic cross-sectional view of the flexible lens of the present invention in a maximum state of stretching;
FIG. 6 is a schematic cross-sectional view of the invention with the second rotating frame removed and the flexible lens in an unstretched condition;
FIG. 7 is a schematic cross-sectional view of the invention with the second rotating frame removed and the flexible lens in a maximum stretched state;
FIG. 8 is a schematic structural view of another embodiment of eyeglasses according to the present invention;
fig. 9 is a partial schematic view of the cooperative relationship of the pivoting mechanism with the temple and the second pivoting frame.
Detailed Description
The invention will be further explained with reference to the drawings.
Referring to fig. 1-7, the dynamic zoom glasses of the invention comprise a frame 1, lenses 2, a frame support 3, a nose support 4 and temples 5; the lens 2 is round and consists of a hard lens 2-2 and a flexible lens 2-1 closely attached to the front mirror surface of the hard lens 2-2; the diameter of the flexible lens 2-1 is smaller than that of the hard lens 2-2; the picture frame 1 is annular and comprises a fixed frame 1-2, a first rotating frame 1-1 and a second rotating frame 1-3; the hard lens 2-2 is embedded in the fixed frame 1-2, and the periphery of the flexible lens 2-1 is connected to the inner circumferential wall of the first rotating frame 1-1 after passing through the through hole of the second rotating frame 1-3 through the nylon drawn wire 6; a plurality of damping clamping mechanisms 7 are uniformly arranged on the front side of the nylon drawn wire 6 and in the circumferential direction between the first rotating frame 1-1 and the second rotating frame 1-3; after the first rotating frame 1-1 rotates relative to the second rotating frame 1-3 and overcomes the damping force of the damping clamping mechanism, the nylon drawn wire 6 stretches the flexible lens 2-1 to the periphery to further dynamically adjust the focal length, and the damping force of the damping clamping mechanism 7 after adjustment prevents the first rotating frame 1-1 and the second rotating frame 1-3 from rotating relative to each other.
The hard lens is a configured basic power, the power of the hard lens is matched with the power of the flexible lens and is configured according to the current eye power of a user, the original state of the flexible lens can meet the current requirement of a myopic user, the flexible lens is stretched through the rotating frame and the nylon wire drawing, the focal length is further adjusted, the power is adjusted, a hyperopic user, the flexible lens is in the stretching maximum state when the glasses are configured, and the flexible lens is adjusted reversely, namely the flexible lens is relaxed.
In order to realize clamping, but not completely clamp, the nylon clamping mechanism 7 comprises a clamping pin 7-1 arranged on the first rotating frame 1-1, a clamping sleeve 7-2 and a spring 7-3, and an outer gear ring 1-3-2 arranged on the second rotating frame 1-3; the clamping pin 7-1 comprises a pin shaft and a tooth-shaped head, the tooth-shaped head is arranged at the front end of the pin shaft and is meshed with teeth of the outer gear ring 1-3-2, the spring 7-2 is sleeved on the pin shaft and is abutted between the tooth-shaped head and the first rotating frame 1-1, the pin shaft is inserted into a through hole 1-1-2 in the first rotating frame 1-1 and slides in the through hole 1-1-2 under the action of spring force, and the clamping sleeve 7-2 is sleeved on the outer side of the spring 7-3 and is fixedly arranged at the through hole 1-1-2; the length of the clamping sleeve 7-2 is 1/4 the natural length of the spring 7-3 to ensure that the clamping pin 7-1 has sufficient sliding distance. The teeth of the tooth-shaped head and the gear ring are provided with arc chamfers, so that the tooth-shaped head and the gear ring can smoothly slide without being clamped, and the up-down moving range is just good in the separation of the tooth-shaped head and the gear ring. The pin shaft is inserted into the through hole of the first rotating frame, so that the pin shaft is prevented from being separated, and the clamping sleeve realizes the fixing and auxiliary orientation effects of the spring.
In order to realize the connection and rotation between the spectacle frames, the second rotating frame 1-3, the first rotating frame 1-1 and the fixed frame 1-2 are sequentially arranged from front to back; a first annular convex strip 1-1-1 is arranged in the circumferential direction of the connecting surface of the first rotating frame 1-1 and the fixed frame 1-2, and the first annular convex strip 1-1-1 is clamped with a first annular groove at the corresponding position of the fixed frame 1-2; a second annular convex strip 1-3-3 is arranged in the circumferential direction of the connecting surface of the second rotating frame 1-3 and the first rotating frame 1-1, and the second annular convex strip 1-3-3 is clamped with a second annular groove at the corresponding position of the first rotating frame 1-1; the cross-sectional shapes of the convex strips and the grooves are circular, and the circular convex strips and the grooves enable assembly to be convenient.
Specifically, a baffle ring 1-3-1 is arranged at the front end of the second rotating frame 1-3, and the inner diameter of the baffle ring 1-3-1 is slightly smaller than the outer diameter of the flexible lens 2-1, specifically, the inner diameter of the baffle ring 1-3-1 is slightly smaller than the outer diameter of the flexible lens 2-1 by 2-3 mm.
Specifically, the frame holder 3 and the temples 5 are connected to the fixed frame 1-2.
In order to realize the clarity and the convenient adjustment of the glasses, the flexible lens 2-1 is made of a high-transparency elastic gel material, the thickness of the flexible lens decreases progressively from the middle to the periphery, the thickness of the periphery is 1.5mm, the maximum thickness of the middle is 7mm, the minimum thickness of the stretched middle is 3mm, and the adjustment of the degree of the glasses at 200 degrees can be realized. When a myopic user uses the glasses, the most basic arrangement of the glasses is that the number of degrees of the 2-1 unstretched flexible lenses and the 2-2 superposed hard lenses is equal to that of the glasses, when the number of degrees needs to be adjusted, the glasses frame is rotated to stretch the 2-1 flexible lenses and further increase the myopic number, when the hyperopic user uses the glasses, the most basic arrangement of the glasses is that the number of degrees of the 2-1 flexible lenses and the 2-2 superposed hard lenses are equal to that of the glasses, and when the number of degrees needs to be adjusted, the glasses frame is rotated to enable the 2-1 flexible lenses to relax and further increase the hyperopic number.
In order to ensure that the two lenses move smoothly without influencing the definition of the glasses, 0.1mm of polyvinyl alcohol moisturizing lubricating fluid is adhered between the flexible lens 2-1 and the hard lens 2-2.
Specifically, the polyvinyl alcohol moisturizing lubricating fluid comprises 15-20 wt% of polyvinyl alcohol, 0.2-0.5 wt% of silicate ester, 1.0-2 wt% of glycol, 1.2-1.5 wt% of fatty carboxylic acid ethoxylated derivative and 10-15 wt% of water.
The pressure resistance of the lubricating liquid can be greatly improved by adding silicate ester, so that the hard and flexible lenses can be attached to the maximum extent; the glycol enables the wetting liquid to increase the stability of the whole formula; the fatty carboxylic acid ethoxylated derivative can cause a stress imbalance in the foam such that the foam breaks without the tendency to fine bubbles.
Specifically, two ends of the nylon drawn wire 6 are respectively bonded to the flexible lens 2-1 and the first rotating frame 1-1 after being vulcanized through pressurization and heating of the silica gel 6-1, and the silica gel is strong in adhesion after being vulcanized through pressurization and heating and can be adhered to spectacle frames and lenses made of different materials.
Specifically, 6 nylon drawn wires 6 are uniformly distributed around the flexible lens 2-1, and 25 damping clamping mechanisms 7 are arranged.
Specifically, the mirror frame 1 is made of a mixture of metal and plastic, the metal is wrapped by the plastic, and the mirror frame made of the mixture of metal and plastic has toughness and strength.
Referring to fig. 8-9, specifically, a thumb wheel 8 and a rotating rod mechanism are arranged inside the temple 5, the center of the thumb wheel 8 is located inside the temple 5, and both sides of the thumb wheel 8 respectively protrude out of the temple 5; a pinion 9 meshed with the outer gear ring 1-3-2 is arranged at the outer ring of the second rotating frame 1-3, one end of the rotating rod mechanism is rotatably connected with the shifting wheel 8, the other end of the rotating rod mechanism is fixedly connected with the pinion 9, the shifting wheel 8 is shifted to drive the rotating rod mechanism to rotate, so that the pinion 9 drives the second rotating frame 1-3 to overcome the damping force of the damping clamping mechanism, the nylon drawn wire 6 stretches the flexible lens 2-1 to the periphery to dynamically adjust the focal length, and the damping force of the damping clamping mechanism 7 after adjustment prevents the first rotating frame 1-1 and the second rotating frame 1-3 from rotating relatively.
Set up the thumb wheel through setting up on the mirror leg and can keep first rotation frame motionless by one hand, another finger is stirred the thumb wheel and is driven the second and rotate the frame and rotate, and such benefit is that two hands can not mutual interference, and it is more convenient to adjust, and the action range of adjusting simultaneously is also little.
Specifically, the lower end of the thumb wheel 8 is fixedly connected with a first bevel gear or a first umbrella-shaped friction wheel 8-1; the rotating rod mechanism comprises a second bevel gear or a second bevel friction wheel 8-2, a rotating rod 8-3 and a metal flexible shaft 8-4, the second bevel gear or the second bevel friction wheel 8-2 is fixed at one end of the rotating rod 8-3 and is positioned at one side of the shifting wheel 8, and the second bevel gear is perpendicular to the first bevel gear or the second bevel friction wheel is perpendicular to the first bevel friction wheel; the metal flexible shaft 8-4 is fixed at the other end of the rotating rod 8-3 and is fixedly connected with the pinion 9.
The conversion of vertical direction motion can be realized through a pair of umbrella type wheel for adjustment mechanism can set up very conveniently with the mirror leg inside, considers mirror leg and picture frame in addition and needs folding, passes through the metal flexible axle at dwang and pinion connection position and fixes, both transmission torsion can buckle again.
Specifically, the bevel gear is of a metal structure or PVC plastic; the friction wheel is made of rubber or flexible plastic, and the outer surface of the friction wheel is provided with textures.
While the foregoing is directed to the preferred embodiment of the present invention, the scope of the present invention is not limited thereto, and it will be appreciated by those skilled in the art that changes and modifications may be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents, and that such changes and modifications are to be considered as within the scope of the invention.
Claims (5)
1. The dynamic zoom glasses are characterized by comprising a frame (1), lenses (2), a frame support (3), a nose support (4) and glasses legs (5); the lens (2) is round and consists of a hard lens (2-2) and a flexible lens (2-1) closely attached to the front mirror surface of the hard lens (2-2); the diameter of the flexible lens (2-1) is smaller than that of the hard lens (2-2); the spectacle frame (1) is annular and comprises a fixed frame (1-2), a first rotating frame (1-1) and a second rotating frame (1-3); the hard lenses (2-2) are embedded in the fixed frame (1-2), and the peripheries of the flexible lenses (2-1) are connected to the inner circumferential wall of the first rotating frame (1-1) after penetrating through the through holes of the second rotating frame (1-3) through nylon drawn wires (6); a plurality of damping clamping mechanisms (7) are uniformly arranged on the front side of the nylon drawn wire (6) and in the circumferential direction between the first rotating frame (1-1) and the second rotating frame (1-3); the first rotating frame (1-1) and the second rotating frame (1-3) can rotate mutually, thereby stretching the flexible lens (2-1) to the periphery to further dynamically adjust the focal length, rotating the first rotating frame (1-1) to overcome the damping force of the damping clamping mechanism so that the nylon drawn wire (6) stretches the flexible lens (2-1) to the periphery to further dynamically adjust the focal length, adjusting the damping force of the damping clamping mechanism (7) to prevent the first rotating frame (1-1) and the second rotating frame (1-3) from rotating relatively, the damping clamping mechanism (7) comprises a clamping pin (7-1) arranged on the first rotating frame (1-1), a clamping sleeve (7-2), a spring (7-3) and an outer gear ring (1-3-2) arranged on the second rotating frame (1-3); the clamping pin (7-1) comprises a pin shaft and a tooth-shaped head, the tooth-shaped head is arranged at the front end of the pin shaft and is meshed with teeth of the outer gear ring (1-3-2), the spring (7-3) is sleeved on the pin shaft and is abutted against between the tooth-shaped head and the first rotating frame (1-1), the pin shaft is inserted into a through hole (1-1-2) in the first rotating frame (1-1) and slides in the through hole (1-1-2) under the action of spring force, and the clamping sleeve (7-2) is sleeved on the outer side of the spring (7-3) and is fixedly arranged at the through hole (1-1-2); the length of the clamping sleeve (7-2) is 1/4 which is the natural length of the spring (7-3) so as to ensure that the clamping pin (7-1) has enough sliding distance, a poking wheel (8) and a rotating rod mechanism are arranged inside the glasses leg (5), the center part of the poking wheel (8) is positioned inside the glasses leg (5), and two sides of the poking wheel respectively protrude out of the glasses leg (5); a pinion (9) meshed with the outer gear ring (1-3-2) is arranged at the outer ring of the second rotating frame (1-3), one end of the rotating rod mechanism is rotatably connected with a shifting wheel (8), the other end of the rotating rod mechanism is fixedly connected with the pinion (9), the shifting wheel (8) is shifted to drive the rotating rod mechanism to rotate, so that the pinion (9) drives the second rotating frame (1-3) to overcome the damping force of the damping clamping mechanism so as to enable the nylon drawn wires (6) to stretch the flexible lens (2-1) to the periphery and further dynamically adjust the focal length, the damping force of the damping clamping mechanism (7) after adjustment prevents the first rotating frame (1-1) and the second rotating frame (1-3) from rotating relatively, and 0.1mm of polyvinyl alcohol moisturizing lubricating liquid is adhered between the flexible lens (2-1) and the hard lens (2-2), the polyvinyl alcohol moisturizing lubricating fluid comprises 15-20 wt% of polyvinyl alcohol, 0.2-0.5 wt% of silicate ester, 1.0-2 wt% of glycol, 1.2-1.5 wt% of fatty carboxylic acid ethoxylated derivative and 10-15 wt% of water.
2. The eyeglasses according to claim 1, characterized in that the lower end of the thumb wheel (8) is fixedly connected with a first bevel gear or a first umbrella-shaped friction wheel (8-1); the rotating rod mechanism comprises a second bevel gear or a second bevel friction wheel (8-2), a rotating rod (8-3) and a metal flexible shaft (8-4), the second bevel gear or the second bevel friction wheel (8-2) is fixed at one end of the rotating rod (8-3) and is positioned at one side of the shifting wheel (8), and the second bevel gear is perpendicular to the first bevel gear or the second bevel friction wheel is perpendicular to the first bevel friction wheel; the metal flexible shaft (8-4) is fixed at the other end of the rotating rod (8-3) and is fixedly connected with the pinion (9).
3. The eyeglasses according to claim 1, characterized in that said second rotating frame (1-3), first rotating frame (1-1) and fixed frame (1-2) are arranged in sequence from front to back; a first annular convex strip (1-1-1) is arranged in the circumferential direction of the connecting surface of the first rotating frame (1-1) and the fixed frame (1-2), and the first annular convex strip (1-1-1) is clamped with a first annular groove at the corresponding position of the fixed frame (1-2); a second annular convex strip (1-3-3) is arranged in the circumferential direction of the connecting surface of the second rotating frame (1-3) and the first rotating frame (1-1), and the second annular convex strip (1-3-3) is clamped with a second annular groove at the corresponding position of the first rotating frame (1-1); the cross-sectional shapes of the convex strips and the grooves are circular.
4. The eyeglasses according to claim 3, characterized in that the front end of the second rotating frame (1-3) is provided with a baffle ring (1-3-1), the inner diameter of the baffle ring (1-3-1) is slightly smaller than the outer diameter of the flexible lens (2-1), in particular the inner diameter of the baffle ring (1-3-1) is slightly smaller than the outer diameter of the flexible lens (2-1) by 2-3 mm.
5. The eyeglasses according to claim 4, characterized in that the flexible lens (2-1) is made of a highly transparent elastic gel material, the thickness of which decreases from the middle to the periphery, the thickness of the periphery is 1.5mm, the maximum thickness of the middle is 7mm, and the minimum thickness of the stretched middle is 3mm, so that the adjustment of the eyeglass power of 200 degrees can be realized.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN2018110566771 | 2018-09-11 | ||
| CN201811056677.1A CN108919515A (en) | 2018-09-11 | 2018-09-11 | A kind of dynamic varifocal glasses |
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| Publication Number | Publication Date |
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| CN110412775A CN110412775A (en) | 2019-11-05 |
| CN110412775B true CN110412775B (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811056677.1A Pending CN108919515A (en) | 2018-09-11 | 2018-09-11 | A kind of dynamic varifocal glasses |
| CN201910845686.7A Active CN110412775B (en) | 2018-09-11 | 2019-09-09 | Dynamic zoom glasses |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811056677.1A Pending CN108919515A (en) | 2018-09-11 | 2018-09-11 | A kind of dynamic varifocal glasses |
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| CN (2) | CN108919515A (en) |
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| CN104930161A (en) * | 2015-05-28 | 2015-09-23 | 常州华达科捷光电仪器有限公司 | Fine tuning structure |
| CN106842616A (en) * | 2017-04-13 | 2017-06-13 | 东莞怡信磁碟有限公司 | A kind of transparency and eyeglass for changing eyeglass lens power |
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| JPS57201207A (en) * | 1981-06-05 | 1982-12-09 | Fuji Xerox Co Ltd | Optical device with variable focal length |
| JPH03260602A (en) * | 1990-03-12 | 1991-11-20 | Tadahiro Yuki | Method for changing focal point of lens |
| US7484842B2 (en) * | 2002-08-26 | 2009-02-03 | Brzozowski Frank T | Configurable eyewear |
| US8087778B2 (en) * | 2009-02-13 | 2012-01-03 | Adlens Beacon, Inc. | Variable focus liquid filled lens mechanism |
| CN103837979B (en) * | 2012-11-22 | 2016-03-30 | 上海丽恒光微电子科技有限公司 | Based on the focus adjuster and preparation method thereof of MEMS |
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2018
- 2018-09-11 CN CN201811056677.1A patent/CN108919515A/en active Pending
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- 2019-09-09 CN CN201910845686.7A patent/CN110412775B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0743505A (en) * | 1993-07-29 | 1995-02-14 | Canon Inc | Variable focus lens |
| CN201069485Y (en) * | 2007-08-17 | 2008-06-04 | 杨向勇 | A location lock adjusting device for telescope |
| CN202285070U (en) * | 2011-09-30 | 2012-06-27 | 徐时新 | Variable focal length spectacles |
| CN104930161A (en) * | 2015-05-28 | 2015-09-23 | 常州华达科捷光电仪器有限公司 | Fine tuning structure |
| CN106842616A (en) * | 2017-04-13 | 2017-06-13 | 东莞怡信磁碟有限公司 | A kind of transparency and eyeglass for changing eyeglass lens power |
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| Publication number | Publication date |
|---|---|
| CN108919515A (en) | 2018-11-30 |
| CN110412775A (en) | 2019-11-05 |
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Effective date of registration: 20210429 Address after: 325006, No. 3, building 1, No. fourth, Dadi Road, Gao Xiang Industrial Zone, Xinqiao street, Ouhai District, Zhejiang, Wenzhou Patentee after: WENZHOU CHAOXI OPTICS Co.,Ltd. Address before: 318000 Yangsi Highway 768, Zhang'an Street, Jiaojiang District, Taizhou City, Zhejiang Province Patentee before: TAIZHOU TAIDE OPTICAL Co.,Ltd. |