CN108873282B - Novel ocular lens protector for ophthalmic microscope - Google Patents
Novel ocular lens protector for ophthalmic microscope Download PDFInfo
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- CN108873282B CN108873282B CN201810622382.XA CN201810622382A CN108873282B CN 108873282 B CN108873282 B CN 108873282B CN 201810622382 A CN201810622382 A CN 201810622382A CN 108873282 B CN108873282 B CN 108873282B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/13—Ophthalmic microscopes
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Abstract
The invention discloses a novel ocular protection device for an ophthalmic microscope, which structurally comprises a telescopic sealing piece, a filling ring, an ocular wrap-type protection device, an outer ring and an outer shell, and is characterized in that: the novel ocular protection device for the ophthalmic microscope is characterized in that the ocular is independently protected and has small volume, the ocular can be still placed in a microscope box, a multiple protection mechanism is arranged in the microscope box, and even if the ocular falls down, the ocular can not be damaged, so that the taking and storing safety of the ocular can be ensured.
Description
Technical Field
The invention relates to a novel ocular lens protector for an ophthalmic microscope, and belongs to the technical field of ophthalmology.
Background
The ocular lens is used for observing the image formed by the front optical system, is a component part of visual optical instruments such as a telescope, a microscope and the like, and has the main function of amplifying the real image amplified by the objective lens again to eliminate aberration, and is usually formed by combining a plurality of lenses, so that the ocular lens has larger field of view and viewing angle amplifying rate.
The prior art is generally placed in the microscope lower end lens frame, has relatively simple protective measures for microscope ocular, has no other protective measures, and can easily damage the ocular if the ocular frame falls down, so that the microscope ocular cannot be used.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a novel ocular lens protector for an ophthalmic microscope, which solves the problems that the prior art is generally placed in an ocular lens frame at the lower end of the microscope, has relatively simple protective measures for the ocular lens of the microscope, has no other protective measures, and is easy to damage the ocular lens if the ocular lens frame falls down so as to be unusable.
In order to achieve the above object, the present invention is realized by the following technical scheme: the utility model provides a novel ophthalmic microscope eyepiece protection device, its structure includes flexible sealing piece, packing circle, eyepiece parcel formula protection device, outer ring, shell cover, its characterized in that: the inner surface of the outer ring is embedded and arranged on the outer surface of the eyepiece wrapped protection device and is in the same axle center, the lower end of the filling ring is embedded and arranged on the eyepiece wrapped protection device and is in the same axle center, the telescopic sealing piece is embedded and arranged on the upper end of the eyepiece wrapped protection device, the upper end of the telescopic sealing piece is attached to the lower end of the filling ring, the upper surface of the outer shell is attached to the lower surface of the outer ring and is in the same axle center, the outer shell is in the same axle center as the eyepiece wrapped protection device, the eyepiece parcel formula protection device includes seal piece switch mechanism, eyepiece fixed establishment, mount elevating system, intermittent drive coupling mechanism, power unit, eyepiece fixed establishment upper end is equipped with seals piece switch mechanism, eyepiece fixed establishment lower extreme is equipped with mount elevating system, there is mount elevating system lower extreme to be equipped with intermittent drive coupling mechanism, intermittent drive coupling mechanism is connected with eyepiece fixed establishment through mount elevating system, the power unit lower extreme is connected with intermittent drive coupling mechanism upper end.
Further, the seal piece switch mechanism comprises a first spur pinion, a second spur pinion, a first internal gear and a connecting shaft, wherein the first spur pinion is totally two and meshed with the left end and the right end of the inner surface of the first internal gear, the outer surface of the second spur pinion is meshed with the inner surface of the first internal gear, the upper end of the connecting shaft is embedded and arranged at the lower end of the first spur pinion and is mutually perpendicular, and the upper end of the connecting shaft is mutually perpendicular to the first internal gear.
Further, eyepiece fixed establishment includes drive button, reset spring, crescent moon, torsional spring, gag lever post, left cladding buckle, right cladding annular plate, eyepiece, shock-proof spring foam ball, pivot, elasticity hemisphere board, fixed sleeve shell, drive button lower surface welds mutually and mutually perpendicular with the gag lever post upper surface, reset spring upper surface and drive button lower surface laminating and be in same axle center, reset spring lower surface and left cladding buckle upper end laminating, reset spring lower surface and right cladding annular plate upper end laminating, crescent moon colludes the left end and is connected with the gag lever post right-hand member through the pin, the torsional spring left end embedding is installed at the gag lever post right-hand member, the gag lever post left end is connected with left cladding buckle through the spout, shock-proof spring foam ball embedding is installed at left cladding buckle internal surface, shock-proof spring foam ball embedding is installed at right cladding annular plate internal surface, shock-proof spring foam ball surface and eyepiece surface laminating, left cladding buckle lower extreme is connected with fixed upper end through pivot and fixed sleeve shell lower extreme laminating, right cladding annular plate lower extreme is connected with fixed hemispherical surface laminating through being connected with fixed upper end, the surface of the hemisphere is fixed with the inside surface.
Further, the fixing frame lifting mechanism comprises a fixing plate, a shaft collar and an inclined ratchet wheel, wherein the lower end of the fixing plate is welded with the upper end of the shaft collar and is perpendicular to the upper end of the shaft collar, the lower end of the fixing plate is embedded and arranged at the upper end of the inclined ratchet wheel and is positioned at the same shaft center, and the lower end of the shaft collar is embedded and arranged in the middle of the inclined ratchet wheel and is positioned at the same shaft center.
Further, the intermittent drive connection mechanism comprises a first belt pulley, a transmission belt, a limiting piece, a second belt pulley, a third belt pulley, a torsion bar, a connecting ball, a connecting rod, an inner bevel gear sleeve, a bevel gear, a straight rod, a sleeve, an upper cushion block, a folding support, a first support rod, a second support rod, a connecting piece and a lower cushion block, wherein the left lower end of the connecting rod is embedded in the middle of the third belt pulley and is positioned in the same axle center, the third belt pulley is connected with the second belt pulley through the transmission belt, the second belt pulley is connected with the first belt pulley through the transmission belt, the upper end of the connecting ball is embedded in the lower end of the torsion bar, the left lower end of the connecting ball is embedded in the left upper end of the connecting rod, the left lower end of the connecting rod is welded with the right upper end of the inner bevel gear sleeve and is mutually perpendicular, the left upper end of the bevel gear is embedded in the left lower end of the inner bevel gear sleeve and meshed with the right upper end of the bevel gear, the left lower end of the sleeve is embedded in the middle of the sleeve, the sleeve is embedded in the middle of the third belt pulley is arranged in the middle of the second belt pulley, the right upper end of the straight rod is embedded in the right lower end of the bevel gear, the second support rod is embedded in the folding support rod, and the second support rod is connected with the upper support rod through the folding support.
Further, the power mechanism comprises a second internal gear, a spur gear, a worm and a positioning rod, wherein the upper end of the positioning rod is welded with the lower end of the worm and is in the same axis, the upper end of the worm is welded with the lower end of the spur gear and is mutually perpendicular to the lower end of the spur gear, and the lower surface of the spur gear is meshed with the inner surface of the second internal gear.
Further, the upper end of the torsion bar is welded with the lower end of the connecting shaft and is in the same axis, the lower end of the positioning rod is embedded and arranged at the upper end of the second belt pulley and is mutually perpendicular, and the outer surface of the inclined ratchet wheel is meshed with the outer surface of the worm.
Further, the lower surface of the lower cushion block is welded with the lower end of the inner surface of the outer shell and is positioned at the same axle center, the outer annular surface of the spur gear is embedded and installed on the inner surface of the outer shell, and the lower surface of the telescopic sealing piece is welded with the upper surface of the second spur gear pinion and is mutually perpendicular to the upper surface of the second spur gear.
Advantageous effects
The invention relates to a novel ocular protection device for an ophthalmic microscope, which holds an outer shell by hand, rotates an ocular wrap type protection device by the other hand, when the ocular wrap type protection device is rotated, directly acts on a second internal gear in a power mechanism to enable the second internal gear to synchronously move, because a spur gear is meshed with the inner surface of the second internal gear, the spur gear is in the same direction with the second internal gear, because the upper end of a worm is welded with the spur gear worm, the worm transmits motion by the worm, the worm simultaneously transmits the motion to a fixing frame lifting mechanism and intermittent driving connection mechanism, when an inner umbrella gear sleeve in the intermittent driving connection mechanism receives the transmitted motion and rotates, the connecting rod is connected with a torsion bar and drives the torsion bar to rotate, the torsion bar is connected with a connecting shaft in the sealing piece switching mechanism to enable a first internal gear in the sealing piece switching mechanism to rotate and drive a second spur gear in the torsion bar, a telescopic sealing piece connected with the second spur gear to rotate and open, when a bevel gear in the fixing frame lifting mechanism is meshed with the worm to drive a fixing plate and push a fixing cushion block upwards, the lower end of the fixing frame lifting mechanism pulls a folding bracket to lift a rated gear upwards, when the bevel gear is pulled upwards, the ocular wrap protection device is pulled upwards, the ocular wrap protection device is opened by a certain distance, the ocular wrap protection device is opened by a reverse direction, the ocular wrap protection device is opened by a reverse time, and the ocular wrap protection device is opened by a reverse-wound by a protecting device, when the ocular wrap protection device is opened, and a protective device is opened by a reverse-protecting device is opened by a protecting device, and a protecting device is opened by a protecting device, and when an ocular protection device, and an ocular protection device is provided. A plurality of protection mechanisms are arranged in the eyepiece, so that the eyepiece can not be damaged even if the eyepiece falls down, and the safety of taking and storing the eyepiece is ensured.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic view of a novel ocular protection device for an ophthalmic microscope according to the present invention;
FIG. 2 is a schematic view of the internal structure of a novel ocular protection device for an ophthalmic microscope according to the present invention;
FIG. 3 is a schematic diagram showing the internal structure of a novel ocular protection device for an ophthalmic microscope according to the present invention;
FIG. 4 is an enlarged partial schematic view of FIG. 3;
FIG. 5 is an enlarged partial schematic view of FIG. 3;
fig. 6 is a schematic diagram showing the internal detailed structure of a novel ocular protection device for an ophthalmic microscope according to the present invention.
In the figure: telescoping seal-1, packing ring-2, eyepiece wrap protector-3, outer ring-4, outer shell-5, seal switch mechanism-31, eyepiece fixing mechanism-32, mount lifting mechanism-33, intermittent drive connection mechanism-34, power mechanism-35, first spur pinion-311, second spur pinion-312, first internal gear-313, connecting shaft-314, drive button-321, return spring-322, crescent hook-323, torsion spring-324, stop lever-325, left wrap buckle-326, right wrap ring plate-327, eyepiece-328, vibration-proof spring foam ball-329, rotating shaft-3210, elastic hemispherical plate-3211, fixed sleeve shell-3212, fixed plate-331, collar-332, diagonal ratchet-333, first pulley-341, driving belt-342, stop plate-343, second pulley-344, third pulley-345, connecting ball-347, connecting rod-348, internal gear-349, bevel gear-3410, straight rod 3411, sleeve-3412, upper bracket-3, support frame-3416, lower gear-3416, support rod-3416, lower gear-3416, positioning rod-354, upper bracket-3412, lower gear-352, upper bracket-3416, lower bracket-35, and upper and lower bracket-4-352.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Referring to fig. 1, 2, 3, 4, 5 and 6, the present invention provides a novel ocular protection device for an ophthalmic microscope, which comprises: the structure of the device comprises a telescopic sealing piece 1, a filling ring 2, an eyepiece wrapped protection device 3, an outer ring 4 and an outer shell 5, and is characterized in that: the inner surface of the outer ring 4 is embedded and arranged on the outer surface of the eyepiece wrapped type protection device 3 and is in the same axis, the lower end of the filling ring 2 is embedded and arranged on the eyepiece wrapped type protection device 3 and is in the same axis, the telescopic sealing piece 1 is embedded and arranged at the upper end of the eyepiece wrapped type protection device 3, the upper end of the telescopic sealing piece 1 is attached to the lower end of the filling ring 2, the upper surface of the outer shell 5 is attached to the lower surface of the outer ring 4 and is in the same axis, the outer shell 5 and the eyepiece wrapped type protection device 3 are in the same axis, the eyepiece wrapped type protection device 3 comprises a sealing piece switching mechanism 31, an eyepiece fixing mechanism 32, a fixing frame lifting mechanism 33, an intermittent driving connection mechanism 34 and a power mechanism 35, the upper end of the eyepiece fixing mechanism 32 is provided with the sealing piece switching mechanism 31, the lower end of the eyepiece fixing mechanism 32 is provided with the fixing frame lifting mechanism 33, the intermittent driving connection mechanism 34 is connected with the eyepiece fixing mechanism 32 through the fixing frame lifting mechanism 33, and the lower end of the power mechanism 35 is connected with the upper end of the intermittent driving mechanism 34.
The seal piece switch mechanism 31 comprises a first spur pinion 311, a second spur pinion 312, a first internal gear 313 and a connecting shaft 314, wherein the first spur pinion 311 shares two common and is meshed with the left end and the right end of the inner surface of the first internal gear 313, the outer surface of the second spur pinion 312 is meshed with the inner surface of the first internal gear 313, the upper end of the connecting shaft 314 is embedded and arranged at the lower end of the first spur pinion 311 and is mutually perpendicular, the upper end of the connecting shaft 314 is mutually perpendicular to the first internal gear 313, the eyepiece fixing mechanism 32 comprises a driving button 321, a reset spring 322, a crescent hook 323, a torsion spring 324, a limiting rod 325, a left cladding buckle 326, a right cladding annular plate 327, an eyepiece 328, a shock-proof spring foam ball 329, a rotating shaft 3210, an elastic hemispherical plate 3211 and a fixed 3212, the lower surface of the driving button 321 is welded with the upper surface of the limiting rod 325 and is mutually perpendicular, the upper surface of the return spring 322 is jointed with the lower surface of the driving button 321 and is positioned at the same axle center, the lower surface of the return spring 322 is jointed with the upper end of the left cladding buckle plate 326, the lower surface of the return spring 322 is jointed with the upper end of the right cladding buckle plate 327, the left end of the crescent hook 323 is connected with the right end of the limiting rod 325 through a pin, the left end of the torsion spring 324 is embedded and installed at the right end of the limiting rod 325, the left end of the limiting rod 325 is connected with the left cladding buckle plate 326 through a chute, the shockproof spring foam ball 329 is embedded and installed on the inner surface of the left cladding buckle plate 326, the outer surface of the shockproof spring foam ball 329 is jointed with the outer surface of the eyepiece 328, the lower end of the left cladding buckle plate 326 is connected with the upper end of the fixed sleeve shell 3212 through a rotary shaft 3210, the lower end of the right cladding buckle plate 327 is connected with the upper end of the fixed sleeve 3212 through the rotary shaft 3210, the outer surface of the lower end of the eyepiece 328 is adhered to the inner surface of the elastic hemispherical plate 3211, the outer surface of the elastic hemispherical plate 3211 is adhered to the inner surface of the fixed sleeve 3212, the fixed frame lifting mechanism 33 comprises a fixed plate 331, a shaft collar 332 and an inclined ratchet 333, the lower end of the fixed plate 331 is welded with the upper end of the shaft collar 332 and is perpendicular to the upper end of the shaft collar 332, the lower end of the fixed plate 331 is embedded and arranged at the upper end of the inclined ratchet 333 and is coaxial, the lower end of the shaft collar 332 is embedded and arranged in the middle of the inclined ratchet 333 and is coaxial, the intermittent drive connection mechanism 34 comprises a first belt pulley 341, a transmission belt 342, a limiting piece 343, a second belt pulley 344, a third belt pulley 345, a torsion bar 346, a connection ball 347, a connecting rod 348, an inner umbrella gear 349, a bevel gear 3410, a straight rod 3411, a sleeve 3412, an upper cushion 3413, a folding bracket 3414, a first supporting rod 3415, a second supporting rod 3416, a cushion 3417 and a lower cushion 3418, the left lower end of the connecting rod 3412 is embedded and installed in the middle of the third belt pulley 345 and is positioned at the same axis, the third belt pulley 345 is connected with the second belt pulley 344 through the driving belt 342, the second belt pulley 344 is connected with the first belt pulley 341 through the driving belt 342, the upper end of the connecting ball 347 is embedded and installed at the lower end of the torsion bar 346, the left lower end of the connecting ball 347 is embedded and installed at the left upper end, the left lower end of the connecting rod 348 is welded with the right upper end of the inner bevel gear sleeve 349 and mutually perpendicular, the left upper end of the bevel gear 3410 is embedded and installed at the left lower end of the inner bevel gear sleeve 349 and is meshed with the right upper end of the straight rod 3411 is embedded and installed at the left lower end of the bevel gear 3410, the left lower end of the straight rod 3411 is embedded and installed in the middle of the sleeve 3412, the sleeve 3412 is embedded and installed in the middle of the third belt pulley 345, the left end of the left support rod 3416 is embedded and installed at the left end of the connecting piece 3417, the second supporting rod 3416 is connected with the folding bracket 3414 through the first supporting rod 3415, the upper cushion 3413 is connected with the lower cushion 3418 through the folding bracket 3414, the power mechanism 35 comprises a second inner gear 351, a spur gear 352, a worm 353 and a positioning rod 354, the upper end of the positioning rod 354 is welded with the lower end of the worm 353 and is coaxial, the upper end of the worm 353 is welded with the lower end of the spur gear 352 and is perpendicular to each other, the lower surface of the spur gear 352 is meshed with the inner surface of the second inner gear 351, the upper end of the torsion bar 346 is welded with the lower end of the connecting shaft 314 and is coaxial, the lower end of the positioning rod 354 is embedded and installed at the upper end of the second belt pulley 344 and is perpendicular to each other, the outer surface of the inclined ratchet 333 is meshed with the outer surface of the worm 353, the lower surface of the lower cushion 3418 is welded with the lower end of the inner surface of the outer casing 5 and is coaxial, the outer ring surface of the spur gear 352 is embedded with the inner surface of the outer casing 5, and the lower surface of the sealing plate 1 is welded with the upper surface of the second spur gear 312 and is perpendicular to each other.
The rotating shaft 3210 is a shaft which is necessary for connecting the main parts of the product and is used for bearing bending moment and torque in rotating operation, the worm 353 is a gear which is provided with one or a plurality of spiral teeth and is meshed with a worm wheel to form a staggered shaft gear pair, and the indexing curved surface of the worm 353 can be a cylindrical surface, a conical surface or a circular ring surface and comprises four categories of an archimedes worm, an involute worm, a normal straight-profile worm and a conical surface enveloping cylindrical worm.
In use, the outer shell 5 is held by the hand, the eyepiece cover type protection device 3 is rotated by the other hand, when the eyepiece cover type protection device 3 is rotated, the second internal gear 351 directly acts on the power mechanism 35 to enable the second internal gear 351 to synchronously move, the spur gear large gear 352 is meshed with the inner surface of the second internal gear 351, the spur gear large gear 352 moves along with the second internal gear 351 in the same direction, the upper end of the worm 353 is welded with the spur gear large gear worm 352, the worm 353 transmits the movement, the worm 353 simultaneously transmits the movement to the fixing frame lifting mechanism 33 and the intermittent drive connecting mechanism 34, when the internal bevel gear sleeve 349 in the intermittent drive connecting mechanism 34 receives the transmitted movement and rotates, the connecting rod 348 is connected with the torsion bar 346 and drives the torsion bar 346 to rotate, the torsion bar 346 is connected with the connecting shaft 314 in the seal sheet switch mechanism 31 to enable the first internal gear 313 in the seal sheet switch mechanism 31 to rotate and drive the second spur pinion 312 to enable the telescopic seal sheet 1 connected with the second spur pinion 312 to rotate and open, when the inclined ratchet 333 in the fixing frame lifting mechanism 33 is meshed with the worm 353 to drive the fixing plate 331 and push the fixing sleeve 3212 to move upwards, the lower end pulls the folding bracket 3414 to unfold upwards through the upper cushion block 3413, when the fixing frame lifting mechanism 33 is lifted to a rated distance, the first supporting rod 3415 connected with the folding bracket 3414 pulls the bevel gear 3410 to separate from the internal bevel gear sleeve 349 to enable transmission to be suspended, the driving key 321 in the eyepiece fixing mechanism 32 is pressed to enable the reset spring 322 to separate from the right cladding annular plate 327, so that the protection layer is opened to take out the eyepiece 328, when the eyepiece 328 is used, after the eyepiece 328 is inserted into the fixing sleeve 3212, the reverse rotation eyepiece cover type protector 3 restores the device by the reverse movement described above.
The invention solves the problems that the prior art is generally placed in an eye glass frame at the lower end of a microscope, the protection measures for an eyepiece of the microscope are relatively simple and crude, other protection measures are not available, and if the eyepiece frame falls down, the eyepiece is easy to damage and cannot be used.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (1)
1. Novel ophthalmic microscope eyepiece protection device, its characterized in that: the structure of the device comprises a telescopic sealing piece (1), a filling ring (2), an eyepiece wrapped protection device (3), an outer ring (4) and an outer shell (5), and is characterized in that:
the inner surface of the outer ring (4) is embedded and installed on the outer surface of the eyepiece wrapped type protection device (3) and is in the same axis, the lower end of the filling ring (2) is embedded and installed on the eyepiece wrapped type protection device (3) and is in the same axis, the telescopic sealing piece (1) is embedded and installed at the upper end of the eyepiece wrapped type protection device (3), the upper end of the telescopic sealing piece (1) is attached to the lower end of the filling ring (2), the upper surface of the outer shell (5) is attached to the lower surface of the outer ring (4) and is in the same axis, the outer shell (5) is in the same axis as the eyepiece wrapped type protection device (3), the eyepiece wrapped type protection device (3) comprises a sealing piece switching mechanism (31), an eyepiece fixing mechanism (32), a fixing frame lifting mechanism (33), an intermittent driving connecting mechanism (34) and a power mechanism (35), the upper end of the eyepiece fixing mechanism (32) is provided with a sealing piece switching mechanism (31), the lower end of the fixing frame lifting mechanism (32) is provided with a fixing frame lifting mechanism (33), the lower end of the fixing frame lifting mechanism (33) is provided with an intermittent connecting mechanism (34), the driving mechanism (33) is connected with the lower end of the fixing frame lifting mechanism (33) through the intermittent driving mechanism (33), the lower end of the power mechanism (35) is connected with the upper end of the intermittent drive connecting mechanism (34);
the seal piece switching mechanism (31) comprises a first spur pinion (311), a second spur pinion (312), a first internal gear (313) and a connecting shaft (314), wherein the first spur pinion (311) is totally two and meshed with the left end and the right end of the inner surface of the first internal gear (313), the outer surface of the second spur pinion (312) is meshed with the inner surface of the first internal gear (313), the upper end of the connecting shaft (314) is embedded and arranged at the lower end of the first spur pinion (311) and is mutually perpendicular, and the upper end of the connecting shaft (314) is mutually perpendicular to the first internal gear (313);
the eyepiece fixing mechanism (32) comprises a driving key (321), a reset spring (322), a crescent hook (323), a torsion spring (324), a limiting rod (325), a left cladding buckle plate (326), a right cladding annular plate (327), an eyepiece (328), a shock-proof spring foam ball (329), a rotating shaft (3210), an elastic hemispherical plate (3211) and a fixed sleeve (3212), the lower surface of the driving key (321) is welded with the upper surface of the limiting rod (325) and mutually perpendicular, the upper surface of the reset spring (322) is jointed with the lower surface of the driving key (321) and is positioned in the same axis, the lower surface of the reset spring (322) is jointed with the upper end of the left cladding buckle plate (326), the lower surface of the reset spring (322) is jointed with the upper end of the right cladding annular plate (327), the left end of the crescent hook (323) is connected with the right end of the limiting rod (325) through a pin, the left end of the torsion spring (324) is embedded in the right end of the limiting rod (325), the left end of the limiting rod (325) is connected with the left cladding buckle plate (326) through a chute, the shock-proof ball (326) is embedded in the surface of the shock-proof spring (327) and the shock-proof ball (327) is embedded in the surface of the shock-proof annular plate (328), the lower end of the left cladding buckle plate (326) is connected with the upper end of the fixed sleeve shell (3212) through a rotating shaft (3210), the lower end of the right cladding annular plate (327) is connected with the upper end of the fixed sleeve shell (3212) through the rotating shaft (3210), the outer surface of the lower end of the eyepiece (328) is attached to the inner surface of the elastic hemispherical plate (3211), and the outer surface of the elastic hemispherical plate (3211) is adhered to the inner surface of the fixed sleeve shell (3212);
the fixing frame lifting mechanism (33) comprises a fixing plate (331), a shaft collar (332) and an inclined ratchet wheel (333), wherein the lower end of the fixing plate (331) is welded with the upper end of the shaft collar (332) and is perpendicular to the upper end of the shaft collar (332), the lower end of the fixing plate (331) is embedded and arranged at the upper end of the inclined ratchet wheel (333) and is positioned at the same shaft center, and the lower end of the shaft collar (332) is embedded and arranged in the middle of the inclined ratchet wheel (333) and is positioned at the same shaft center;
the intermittent drive connection mechanism (34) comprises a first belt pulley (341), a transmission belt (342), a limit plate (343), a second belt pulley (344), a third belt pulley (345), a torsion bar (346), a connection ball (347), a connecting rod (348), an inner bevel gear sleeve (349), a bevel gear (3410), a straight bar (3411), a sleeve (3412), an upper cushion block (3413), a folding bracket (3414), a first support rod (3415), a second support rod (3416), a connecting piece (3417) and a lower cushion block (3418), wherein the left lower end of the sleeve (3412) is embedded in the middle of the third belt pulley (345) and is positioned in the same axis, the third belt pulley (345) is connected with the second belt pulley (344) through the transmission belt (342), the second belt pulley (344) is connected with the first belt pulley (341), the upper end of the connection ball (347) is embedded in the lower end of the connecting rod (346), the left lower end of the connection ball (347) is embedded in the left upper end of the connecting rod (348), the left lower end of the connection ball (347) is embedded in the upper end of the connecting rod (348), the left lower end of the connection ball (3412) is embedded in the upper end of the connecting rod (348), the left lower end of the connection ball is embedded in the right bevel gear sleeve (349), the left lower end is engaged with the right upper end of the inner bevel gear sleeve (349) and the inner bevel gear sleeve (349) is welded vertically, the right upper end of the straight rod (3411) is embedded and arranged at the left lower end of the bevel gear (3410), the left lower end of the straight rod (3411) is embedded and arranged in the middle of the sleeve (3412), the left end of the second supporting rod (3416) is embedded and arranged at the left end of the connecting piece (3417), the second supporting rod (3416) is connected with the folding bracket (3414) through the first supporting rod (3415), and the upper cushion block (3413) is connected with the lower cushion block (3418) through the folding bracket (3414);
the power mechanism (35) comprises a second internal gear (351), a spur gear (352), a worm (353) and a positioning rod (354), wherein the upper end of the positioning rod (354) is welded with the lower end of the worm (353) and is positioned in the same axle center, the upper end of the worm (353) is welded with the lower end of the spur gear (352) and is mutually perpendicular, and the outer surface of the spur gear (352) is meshed with the inner surface of the second internal gear (351);
the upper end of the torsion bar (346) is welded with the lower end of the connecting shaft (314) and is positioned at the same axle center, the lower end of the positioning rod (354) is embedded and arranged at the upper end of the second belt pulley (344) and is mutually perpendicular, and the outer surface of the inclined ratchet wheel (333) is meshed with the outer surface of the worm (353);
the lower surface of the lower cushion block (3418) is welded with the lower end of the inner surface of the outer shell (5) and is positioned at the same axle center, the outer annular surface of the second internal gear (351) is embedded and arranged on the inner surface of the outer shell (5), and the lower surface of the telescopic sealing piece (1) is welded with the upper surface of the second spur pinion (312) and is mutually perpendicular.
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| CN201810622382.XA CN108873282B (en) | 2018-06-15 | 2018-06-15 | Novel ocular lens protector for ophthalmic microscope |
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| CN108873282B true CN108873282B (en) | 2023-05-05 |
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| CN102103260B (en) * | 2011-01-26 | 2013-05-08 | 魏雪栋 | Rotary camera fixing structure applied to microscope |
| CN202041751U (en) * | 2011-05-06 | 2011-11-16 | 深圳市金佳诚摄影器材有限公司 | Automatic lens cover |
| DE102015011421A1 (en) * | 2015-09-01 | 2017-03-02 | Carl Zeiss Meditec Ag | Method for visualizing an object field during a surgical procedure and surgical microscope for carrying out the method |
| CN205027966U (en) * | 2015-10-08 | 2016-02-10 | 歌尔声学股份有限公司 | Microscope safety cover |
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| JP2000345709A (en) * | 1999-06-07 | 2000-12-12 | Kawakita Kiko Kk | Hanging jig for reinforcements |
| CN101737508A (en) * | 2008-11-18 | 2010-06-16 | 陈洁 | Method and device for preventing leak through of spiral lift tap |
| WO2014018694A2 (en) * | 2012-07-27 | 2014-01-30 | Gatan, Inc. | Ion beam sample preparation apparatus and methods |
| CN207396843U (en) * | 2017-10-20 | 2018-05-22 | 贵州晶朗眼科医院 | A kind of new ophthalmology microscope ocular protective device |
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Effective date of registration: 20230406 Address after: 030012 No. 299 Changzhi Road, Taiyuan Xuefu Park, Shanxi Comprehensive Reform Demonstration Zone, Taiyuan City, Shanxi Province Applicant after: Shanxi Aier ophthalmic hospital Co.,Ltd. Address before: 325600 Xinger Village, Hongqiao Town, Yueqing City, Wenzhou City, Zhejiang Province Applicant before: Wu Qianjia |
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