CN215449042U

CN215449042U - Hard corneal contact lens inspection instrument

Info

Publication number: CN215449042U
Application number: CN202121610690.4U
Authority: CN
Inventors: 黄永旗
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-01-07
Anticipated expiration: 2031-07-15

Abstract

The hard contact lens inspection instrument provided by the utility model effectively solves the problems that the lens integrity, the cleanness, the use scratch and the lens structure cannot be completely presented in the after-sale review process of the lens, the technical proposal for solving the problem is that the device comprises a base, wherein the upper end surface of the base is fixedly connected with a face mirror, a light source device and a lens fixing device, the upper end surface of the base is fixedly connected with a positioning rod which extends upwards, the positioning rod is connected with a lifting device through a gear rack in a matching way, the longitudinal front end of the lifting device is connected with a sleeve, the sleeve is provided with an operation hole, the upper end of the sleeve is connected with a microcomputer, the lower end of the sleeve is connected with an image acquisition head, the utility model can completely present the integrality, the cleanness, the use scratch and the lens structure of the lens, is convenient to operate, and can shoot and record pictures and leave electronic data.

Description

Hard corneal contact lens inspection instrument

Technical Field

The utility model relates to an optical lens inspection instrument, in particular to a hard corneal contact lens inspection instrument.

Background

The hard contact lens (including hard permeable contact lens for shaping cornea, OK lens for short, hard permeable contact lens for short, RGP for short) contains silicon and fluorine polymer, and can greatly increase oxygen throughput, compared with soft contact lens, it not only can raise oxygen permeability, but also can ensure firmness of material, and has good wettability and anti-precipitation property, and because of synthesis and application of high-molecular material with high DK value, high elastic modulus, hydrophilicity and anti-precipitation property and good biological compatibility, the hard contact lens for cornea can be quickly popularized in the global range, and its therapeutic effect for curing myopia of teenager and correcting keratoconus is undergone the clinical verification for several years by domestic and foreign ophthalmologists, and is affirmed, and is mainly used for controlling myopia of teenager and correcting keratoconus, and the hard contact lens for 60 years is originated from the United states, the lens inspection device has the advantages that the lens inspection device is provided with the projector and the slit lamp, the projector well presents the integrity of the lens, but the cleanness and the use scratches of the lens cannot be inspected, the slit lamp has strict requirements on the cleanness and the use scratches of the lens for operators, all operators can not present the cleanness and the use scratches, and even a skilled operator can not conveniently take pictures due to unstable presentation of the lens problems caused by the shaking of the lens on hand.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the hard contact lens inspection instrument, which not only solves the complete presentation problems of the lens in the processes of after-sale review, such as the integrity, the cleanness, the use scratch and the lens structure, but also has convenient operation and can take and record pictures and leave electronic data.

The technical scheme of its solution is, including the base, its characterized in that, the base upper end is connected with vertical movement's elevating gear through rack and pinion cooperation, elevating gear longitudinal front end can be dismantled and be connected with the sleeve, the handle hole has been seted up around the sleeve is vertical, the sleeve upper end can be dismantled and be connected with microcomputer, sleeve lower extreme fixedly connected with and the inside image acquisition head that communicates of sleeve, image acquisition head and sleeve intercommunication department fixedly connected with convex lens, the sleeve is inside to be rotated and is connected with the tubulose thumb wheel, tubulose thumb wheel inner wall screw-thread fit has the image collector who goes up and down in the inside of tubulose thumb wheel, a plurality of spacing holes have evenly been seted up on the image collector, sleeve up end fixedly connected with and each spacing hole sliding connection's slide bar.

Preferably, the outer wall of the tubular thumb wheel is uniformly provided with vertical anti-skidding bulges, the inner part of the tubular thumb wheel is of a hollow structure, the inner wall of the tubular thumb wheel is provided with vertical threads, and the outer wall of the image collector is provided with threads matched with the threads on the inner wall of the tubular thumb wheel.

Preferably, base up end fixedly connected with face mirror, the base up end is equipped with light source device and lens fixing device, and the vertical rear end fixedly connected with of base up end has the locating lever that upwards stretches out, elevating gear includes the support frame through rack and pinion cooperation vertical movement on the locating lever, still includes the rack of locating lever vertical front end fixedly connected with, the support frame internal rotation be connected with rack complex gear, two symmetrical arrangement of the coaxial fixedly connected with of gear rotate the adjust knob who connects on the support frame left and right sides, the support frame vertical rear end screw-thread fit has first location knob, the support frame vertical front end screw-thread fit has the second location knob that is used for fixed sleeve.

Preferably, the lens fixing device comprises a lens, a sucker and a transparent tube, wherein the lower end of the sucker is fixedly connected with a large sucker for sucking the face mirror, the upper end of the sucker is fixedly connected with a small sucker for sucking the lens, the sucker is used for detecting a reverse arc, a matching arc and a peripheral arc of the lens, the transparent tube is made of a transparent material, the diameter of an inner tube of the transparent tube is smaller than that of the lens, and the transparent tube is used for detecting a base arc of the lens.

Preferably, the light source device comprises universal positioning tubes which are fixedly connected to the upper end face of the base longitudinally and symmetrically arranged at the rear end of the upper end face of the base, and light sources are fixedly connected to the extending ends of the universal positioning tubes.

Preferably, the lower end of the sleeve is fixedly connected with a dust cover, and the dust cover is used for protecting the image collecting head.

Preferably, the image collector is electrically connected with the microcomputer.

The utility model has the beneficial effects that:

1. the problem that the integrity, the cleanness, the scratch and the lens structure of the lens cannot be completely presented by using the prior art in the after-sale review process of the lens is solved;

2. displaying the amplified lens image through a lifting device to realize observation and recording the integrity and the structure of the lens;

3. the focusing function is realized by shifting the tubular thumb wheel to adjust the position of an image collector in the tubular thumb wheel, and the lens image definition is adjusted to realize the observation and the recording of the cleanness of the lens;

4. the lens is irradiated by the light source with adjustable direction, so that the scratch of the lens can be observed and recorded.

Drawings

FIG. 1 is a first perspective view of the present invention.

FIG. 2 is a second perspective view of the present invention.

Fig. 3 is a cross-sectional view of the present invention in its entirety.

Fig. 4 is a partially enlarged view of a cross-sectional view of the overall schematic of the present invention.

FIG. 5 is a schematic view of a portion of the structure of the present invention.

FIG. 6 is a schematic view of the internal structure of the sleeve device of the present invention.

FIG. 7 is a schematic view of the tubular thumb wheel assembly of the present invention.

Fig. 8 is a first perspective of an image collector apparatus according to the present invention.

Fig. 9 is a second perspective of the image collector device of the present invention.

FIG. 10 is a schematic view of a chuck device according to the present invention.

FIG. 11 is a schematic view of a lens structure according to the present invention.

Reference numerals

1. The multifunctional camera comprises a base, 2. a mirror, 3. a positioning rod, 4. a sleeve, 5. an operation hole, 6. a microcomputer, 7. an image acquisition head, 8. a convex lens, 9. a tubular thumb wheel, 10. an image acquisition device, 11. a limiting hole, 12. a sliding rod, 13. a supporting frame, 14. a rack, 15. a gear, 16. an adjusting knob, 17. a first positioning knob, 18. a second positioning knob, 19. a lens, 20. a sucker, 21. a transparent tube, 22. a large sucker, 23. a small sucker, 24. a universal positioning tube, 25. a light source, 26. a dust cover, 27. a reverse arc, 28. an adapting arc, 29. a peripheral arc and 30. a base arc.

Detailed Description

The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings 1 to 11.

When the utility model is used, one end of a small sucker 23 of a sucker 20 is firstly used for sucking a lens 19, then one end of a large sucker 22 of the sucker 20 is sucked at the center of the upper end surface of a mirror 2, an image acquisition head 7 is positioned right above the center of the upper end surface of the mirror 2 for carrying out image acquisition on the lens 19, the mirror 2 is used for reflecting light rays so as to increase the definition of image acquisition, the lower end of a sleeve 4 is fixedly connected with a dust cover 26, the dust cover 26 is used for protecting the image acquisition head 7 and preventing dust from entering the image acquisition head 7 to cause blockage so as to influence the image acquisition effect, then a light source 25 is turned on, each light source 25 is fixedly connected to the longitudinal end of the upper end surface of a base 1 through each universal positioning tube 24, the position of each light source 25 can be adjusted so as to increase the light rays when the lens is checked, a switch of a microcomputer 6 is turned on, and the image acquisition head 7 acquires the image information of the lens 19 onto an image acquirer 10 through a convex lens 8, the image collector 10 is electrically connected with the microcomputer 6, the image collector 10 analyzes and processes the received image information of the lens 19 and transmits the image information to the inside of the microcomputer 6, and the microcomputer 6 dynamically displays the image information of the lens 19 on a display screen of the microcomputer 6 in real time.

Then the height of the lifting device is adjusted to enable the image acquisition head 7 to be close to the lens 19, so that the image information of the acquired lens 19 is amplified, the gear 15 is coaxially and fixedly connected with two adjusting knobs 16 which are symmetrically arranged and rotationally connected to the left side and the right side of the support frame 13, the adjusting knobs 16 are rotated to drive the gear 15 to rotate together, the gear 15 is rotationally connected inside the support frame 13 and is matched with the rack 14, the support frame 13 moves downwards along the positioning rod 3 due to the rotation of the gear 15 and the rack 14, when the support frame 13 moves downwards to a specified position along the positioning rod 3, the first positioning knob 17 in threaded fit with the longitudinal rear end of the support frame 13 is screwed to vertically position the support frame 13 on the positioning rod 3, meanwhile, the second positioning knob 18 for fixing the sleeve 4 is in threaded fit with the longitudinal front end of the support frame 13, after the sleeve 4 is installed in the instrument, the second positioning knob 18 is screwed to fix the sleeve 4 at the longitudinal front end of the support frame 13, the support frame 13 moves downwards to a designated position along the positioning rod 3 to drive the sleeve 4 fixedly connected with the longitudinal front end of the support frame 13 to move downwards together, the lower end of the sleeve 4 is fixedly connected with an image acquisition head 7 communicated with the interior of the sleeve 4, the position where the image acquisition head 7 is communicated with the sleeve 4 is fixedly connected with a convex lens 8, the sleeve 4 moves downwards to drive the image acquisition head 7 and the convex lens 8 to move downwards together, the distance between the convex lens 8 and the lens 19 is reduced, so that the image information received by the image acquisition head 10 is amplified through the lens 19, the image information amplified through the lens 19 is analyzed and processed by the image acquisition head 10 and then transmitted to the interior of the microcomputer 6, the microcomputer 6 presents the image information amplified through the lens 19 on the display screen of the microcomputer 6, firstly, the integrity of the lens 19 can be observed through checking the image information amplified through the lens 19 on the display screen of the microcomputer 6, and the integrity image record of the lens 19 is recorded through the storage function of the microcomputer 6 And storing a retention file, wherein the contact part of the small suction cup 23 of the suction cup 20 and the lens 19 is the base arc 30 part of the lens 19, the base arc 30 of the lens 19 cannot be checked through the image information amplified by the lens 19, the reversed arc 27, the matched arc 28 and the peripheral arc 29 of the lens 19 can be checked through the image information amplified by the lens 19, the transparent tube 21 is required for checking the base arc 30 of the lens 19, and the image records of the reversed arc 27, the matched arc 28 and the peripheral arc 29 of the lens 19 are stored and retained in a subsequent step.

Then, the cleanness degree of the lens 19 is observed by adjusting the definition degree of image information amplified by the lens 19 on a display screen of the microcomputer 6 through a focusing mechanism, an operation hole 5 is longitudinally formed in the front and back of the sleeve 4, a tubular shifting wheel 9 is rotatably connected in the sleeve 4, the tubular shifting wheel 9 is shifted through the operation hole 5, an image collector 10 which is lifted in the tubular shifting wheel 9 is matched with the inner wall of the tubular shifting wheel 9 through threads, a plurality of limiting holes 11 are uniformly formed in the image collector 10, a sliding rod 12 which is fixedly connected to the upper end of the sleeve 4 is connected in each limiting hole 11 in a sliding mode, when the tubular shifting wheel 9 is shifted, the image collector 10 is in threaded fit with the inner wall of the tubular shifting wheel 9, the image collector 10 can only slide on the sliding rod 12 through the plurality of limiting holes 11 and cannot rotate, so that the image collector 10 moves in the tubular shifting wheel 9 in the vertical direction along the sliding rod 12, at the moment, the vertical position of the sleeve 4 is not changed, namely the vertical position of the image acquisition head 7 and the convex lens 8 is kept constant, the distance between the convex lens 8 and the lens 19 is kept constant, while the tubular thumb wheel 9 rotates, the image collector 10 moves vertically inside the tubular thumb wheel 9 along the sliding rod 12, the distance between the image collector 10 and the convex lens 8 is changed so as to change the definition of the image information of the lens 19 received by the image collector 10, the tubular dial wheel 9 is adjusted and toggled by observing the definition of the image information of the lens 19 on the display screen of the microcomputer 6 until the image information of the lens 19 is adjusted to the clearest degree, at the moment, the cleanness of the lens 19 is checked by observing the image information of the lens 19 on the display screen of the microcomputer 6, and the image record of the cleanness degree of the lens 19 is stored and kept in a file through the storage function of the microcomputer 6.

Then, the irradiation angles of the light sources 25 to the lenses 19 are adjusted by adjusting the positions of the universal positioning tubes 24, the image information of the lenses 19 on the display screen of the microcomputer 6 can be observed through the change of the irradiation angles of the light sources 25 to the lenses 19 to check whether the lenses 19 show scratches at different irradiation angles, and the scratch image records of the lenses 19 are stored and retained through the storage function of the microcomputer 6.

Finally, the suction cup 20 and the lens 19 are taken down from the mirror 2, the transparent tube 21 is placed in the center of the upper end face of the mirror 2, then the lens 19 is placed in the center of the upper end face of the transparent tube 21 through the suction cup 20, the transparent tube 21 is made of transparent materials, the diameter of the inner tube is smaller than that of the lens 19, the edge portion of the lens 19 at the moment falls on the upper end face of the transparent tube 21, the base arc 30 of the lens 19 is exposed, the base arc 30 of the lens 19 can be checked through the image information amplified by the lens 19, then the image record of the base arc 30 of the lens 19 is stored and kept, and therefore the complete display of the lens in the four aspects of the integrity, the cleanness degree, the use scratch and the lens structure in the after-sale rechecking process is completed.

Claims

1. Hard contact lens inspection instrument, including base (1), a serial communication port, base (1) upper end is connected with vertical movement's elevating gear through rack and pinion cooperation, elevating gear longitudinal front end can be dismantled and be connected with sleeve (4), operating hole (5) have been seted up around sleeve (4) is vertical, sleeve (4) upper end can be dismantled and be connected with microcomputer (6), sleeve (4) lower extreme fixedly connected with and sleeve (4) inside image acquisition head (7) that communicate, image acquisition head (7) and sleeve (4) intercommunication fixedly connected with convex lens (8), sleeve (4) inside rotation is connected with tubulose thumb wheel (9), tubulose thumb wheel (9) inner wall screw-thread fit has image collector (10) of going up and down in tubulose thumb wheel (9), evenly seted up a plurality of spacing hole (11) on image collector (10), sleeve (4) up end fixedly connected with each spacing hole (11) sliding connection's slide bar (12) .

2. The hard contact lens inspection instrument according to claim 1, wherein the outer wall of the tubular thumb wheel (9) is uniformly provided with vertical anti-skid protrusions, the inner part of the tubular thumb wheel (9) is of a hollow structure, the inner wall of the tubular thumb wheel is provided with vertical threads, and the outer wall of the image collector (10) is provided with threads matched with the threads on the inner wall of the tubular thumb wheel (9).

3. The hard contact lens inspection instrument according to claim 1, wherein the upper end face of the base (1) is fixedly connected with the mirror (2), the upper end face of the base (1) is provided with a light source device and a lens fixing device, the longitudinal rear end of the upper end face of the base (1) is fixedly connected with a positioning rod (3) which extends upwards, the lifting device comprises a support frame (13) which vertically moves on the positioning rod (3) through the cooperation of a gear and a rack, the lifting device further comprises a rack (14) which is fixedly connected with the longitudinal front end face of the positioning rod (3), the support frame (13) is rotatably connected with a gear (15) which is matched with the rack (14), the gear (15) is coaxially and fixedly connected with two adjusting knobs (16) which are symmetrically arranged and rotatably connected on the left side and the right side of the support frame (13), the longitudinal rear end of the support frame (13) is in threaded fit with a first positioning knob (17), and the longitudinal front end of the support frame (13) is in threaded fit with a second positioning knob (18) which is used for fixing the sleeve (4).

4. The hard contact lens inspection instrument according to claim 3, wherein the lens fixing device comprises a lens (19), a suction cup (20) and a transparent tube (21), a large suction cup (22) for sucking the lens (2) is fixedly connected to the lower end of the suction cup (20), a small suction cup (23) for sucking the lens (19) is fixedly connected to the upper end of the suction cup (20), the suction cup (20) is used for detecting the reverse arc (27), the fitting arc (28) and the peripheral arc (29) of the lens (19), the transparent tube (21) is made of a transparent material, the diameter of the inner tube is smaller than that of the lens (19), and the transparent tube (21) is used for detecting the base arc (30) of the lens (19).

5. A hard contact lens examination instrument according to claim 3, wherein the light source device comprises symmetrically arranged universal positioning tubes (24) fixedly connected to the upper end of the base (1) facing the longitudinal rear end, and a light source (25) is fixedly connected to the extending end of each universal positioning tube (24).

6. A hard contact lens examination instrument according to claim 1, wherein a dust cover (26) is fixedly connected to the lower end of the sleeve (4), the dust cover (26) being used to protect the image pick-up head (7).

7. The hard contact lens inspection instrument according to claim 1, wherein the image collector (10) is electrically connected with the microcomputer (6).