CN219065871U - Detachable microscope lens replacement recognition device - Google Patents
Detachable microscope lens replacement recognition device Download PDFInfo
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- CN219065871U CN219065871U CN202223430397.7U CN202223430397U CN219065871U CN 219065871 U CN219065871 U CN 219065871U CN 202223430397 U CN202223430397 U CN 202223430397U CN 219065871 U CN219065871 U CN 219065871U
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Abstract
The utility model discloses a detachable microscope lens replacement identification device, which comprises an objective lens, a zoom lens barrel, a camera objective lens, an optical fiber transition mechanism, an upper identification mechanism, a limiting fixed barrel and a lower identification mechanism, wherein the objective lens is connected with the camera through the zoom lens barrel, and the upper identification mechanism is arranged on the zoom lens barrel; the outer side of the objective lens is provided with an objective lens holding ring connected with an optical fiber transition mechanism, the optical fiber transition mechanism is sleeved with a tetrafluoroethylene gasket, the tetrafluoroethylene gasket is provided with a lower recognition mechanism matched with the upper recognition mechanism, a limiting fixed cylinder is in threaded fit with the optical fiber transition mechanism, and an aperture guide is arranged in the limiting fixed cylinder. According to the utility model, the lower recognition mechanism can be driven to rotate through the rotary fixing protective shell, so that the spring needle on the upper recognition mechanism is matched with the spring needle base in the lower recognition mechanism, the lens is convenient to replace, the recognition effect of the installed lens is achieved, the axiality of the light source after the lens is replaced can be ensured, and the accuracy of lens measurement and the measurement lighting effect are improved.
Description
Technical Field
The utility model belongs to the technical field of microscopes, and relates to a detachable microscope lens replacement identification device.
Background
According to the different magnification demands of the microscope, the objective lens with different magnifications needs to be replaced to meet the different magnifications, as the optical fiber line on the zoom lens barrel is divided into two paths of optical fibers, one path of optical fibers is transmitted to the objective lens through the reflector in the zoom lens barrel, coaxial light illumination is realized, when the objective lens needs to be replaced, the disassembly and the installation processes of the objective lens are complex, the problem of coaxiality of the objective lens after installation exists, the coaxial light illumination effect is poor, and meanwhile, the magnification of the objective lens cannot be identified after the objective lens is replaced, so that the measurement accuracy of the microscope is affected.
Disclosure of Invention
The utility model aims to provide a detachable microscope lens replacement identification device which solves the problems in the prior art.
The aim of the utility model can be achieved by the following technical scheme:
the detachable microscope lens replacement identification device comprises an objective lens, a zoom lens barrel, a camera objective lens, an optical fiber transition mechanism, an upper identification mechanism, a limiting fixed barrel and a lower identification mechanism, wherein the objective lens, the zoom lens barrel and the camera objective lens are connected with a camera through the zoom lens barrel;
an objective holding ring is arranged on the outer side of the objective, the objective holding ring is connected with an optical fiber transition mechanism through a bolt, a tetrafluoroethylene gasket is sleeved on the optical fiber transition mechanism, and a lower recognition mechanism matched with the upper recognition mechanism is arranged on the tetrafluoroethylene gasket;
the limiting fixed cylinder is in threaded fit with the optical fiber transition mechanism, and an aperture guide is arranged in the limiting fixed cylinder.
Further, go up recognition mechanism includes two arc, and two arc pass through fastening screw and fix, and wherein an arc week side distributes and has a plurality of spring needles, and wherein an arc lower extreme is equipped with spacing arch.
Further, fine transition mechanism includes transition inner tube, transition urceolus and transition clearance groove, is equipped with the transition clearance groove between transition inner tube and the transition urceolus, transition clearance inslot fills optic fibre, and transition inner tube inboard is equipped with extends the connecting plate, and it is connected with the objective holding ring through the bolt to extend the connecting plate, and transition urceolus week side distributes has spacing draw-in groove, and spacing draw-in groove below is equipped with supports the extension board, supports to be equipped with the tetrafluoroethylene gasket on the extension board.
Further, a shaft retainer ring for blocking the lower recognition mechanism is sleeved in a limiting clamping groove of the optical fiber transition mechanism.
Further, a fixed protective shell is arranged on the outer side of the limiting fixed cylinder, and the fixed protective shell is fixed with the optical fiber transition mechanism through bolts.
Further, the inner side of the limiting and fixing cylinder is provided with a mounting and fixing hole and a stepped groove, the periphery side of the mounting and fixing hole is provided with an internal thread matched with the external thread at the lower end of the optical fiber transition mechanism, and the extension plate at the periphery side of the light guide ring is matched with the stepped groove.
Further, the lower recognition mechanism comprises an upper annular baffle, a lower annular baffle, a guide post, a reset buffer spring and a limiting baffle, wherein a plurality of guide holes are formed in the upper annular baffle, and a PCB board matched with the spring needle base is arranged below the spring needle base;
a plurality of guide posts are distributed on the lower annular baffle plate, the guide posts are in sliding fit with guide holes on the upper annular baffle plate, a reset buffer spring is sleeved on the guide posts, and a limiting baffle plate is arranged at the upper end of the guide posts.
Further, a plurality of spring needle bases are distributed between two adjacent guide holes, the upper annular baffle is provided with an inclined notch and a locking limit groove connected with the inclined notch, and the inclined notch extends towards the direction close to the locking limit groove.
Further, a limiting check ring is arranged on the inner side of the upper annular baffle plate and is in sliding fit with the surface of the transition outer cylinder, and the limiting check ring is in contact with the check ring for the shaft.
The utility model has the beneficial effects that:
according to the detachable lens replacement identification device provided by the utility model, through the structural design between the upper identification mechanism and the lower identification mechanism, the lower identification mechanism can be driven to rotate when the protective shell is fixed in a rotating manner, so that the spring needle on the upper identification mechanism is matched with the spring needle base in the lower identification mechanism, the microscope lens can be conveniently replaced and installed, the convenience of lens replacement is achieved, the lens identification effect after installation is achieved, the coaxial light illumination is ensured through the upper identification mechanism and the lower identification mechanism, and the accuracy of lens measurement and the measurement illumination effect are improved.
According to the utility model, through the position relation and the connection mode of the optical fiber transition mechanism, the limiting fixed cylinder and the light guide ring, the optical signals output by the optical fibers on the optical fiber transition mechanism are input into the light guide ring, so that the uniformity of annular light is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a removable microscope lens change identification device;
FIG. 2 is a schematic diagram of an upper recognition mechanism;
FIG. 3 is a top view of a lens exchange recognition device;
FIG. 4 is a cross-sectional view of A-A of FIG. 3;
FIG. 5 is a schematic view of a retention fixture cartridge;
FIG. 6 is a schematic diagram of a fiber optic transition mechanism;
FIG. 7 is a schematic diagram of a lower recognition mechanism;
FIG. 8 is a cross-sectional view of the lower recognition mechanism;
in the accompanying drawings: 1. an objective lens; 2. a zoom lens barrel; 3. a camera; 4. an optical fiber transition mechanism; 5. an upper recognition mechanism; 41. a transition inner cylinder; 42. an extension connection plate; 43. a transition outer cylinder; 44. a transition gap groove; 45. a limit clamping groove; 46. supporting the extension plate; 51. a fastening screw; 52. a spring needle; 53. a limit protrusion; 6. a diaphragm; 7. a limiting fixed cylinder; 71. installing a fixing hole; 72. a stepped groove; 8. a lower recognition mechanism; 81. an upper annular baffle; 811. a guide hole; 812. locking limit grooves; 813. oblique cuts; 814. a spring needle base; 815. a PCB board; 816. a limit retainer ring; 82. a lower annular baffle; 83. a guide post; 84. a return buffer spring; 85. a limiting baffle; 9. an objective lens holding ring; 10. a retainer ring for the shaft; 11. a tetrafluoroethylene gasket; 12. and fixing the protective shell.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-4, a detachable microscope lens replacement identification device comprises an objective lens 1, a zoom lens barrel 2, a camera 3, an optical fiber transition mechanism 4, an upper identification mechanism 5, a limiting fixed cylinder 7 and a lower identification mechanism 8, wherein the objective lens 1 is connected with the camera 3 through the zoom lens barrel 2, the objective lens 1 is in threaded connection with the zoom lens barrel 2, and the upper identification mechanism 5 is arranged on the zoom lens barrel 2.
The upper recognition mechanism 5 comprises two arc-shaped plates, the two arc-shaped plates are fixed through fastening screws 51, a plurality of spring pins 52 are distributed on the periphery of one arc-shaped plate, and a limiting protrusion 53 is arranged at the lower end of one arc-shaped plate.
The outer side of the objective lens 1 is provided with an objective lens holding ring 9, the objective lens holding ring 9 is connected with an optical fiber transition mechanism 4 through a bolt, a tetrafluoroethylene gasket 11 is sleeved on the optical fiber transition mechanism 4, a lower recognition mechanism 8 matched with the upper recognition mechanism 5 is arranged on the tetrafluoroethylene gasket 11, and a shaft check ring 10 for blocking the lower recognition mechanism 8 is sleeved on the optical fiber transition mechanism 4.
The limiting and fixing barrel 7 is in threaded fit with the optical fiber transition mechanism 4, the inner side of the limiting and fixing barrel 7 is provided with an aperture guide 6, the upper end face of the aperture guide 6 corresponds to the position of an optical fiber outlet on the lower end face of the optical fiber transition mechanism 4, so that the optical signal output by the optical fiber in the optical fiber transition mechanism 4 is transmitted to the aperture guide 6, the outer side of the limiting and fixing barrel 7 is provided with a fixing protective shell 12, and the fixing protective shell 12 is fixed with the optical fiber transition mechanism 4 through a bolt.
Specifically, as shown in fig. 5, the inner side of the limiting and fixing barrel 7 is provided with a mounting and fixing hole 71 and a stepped groove 72, the periphery of the mounting and fixing hole 71 is provided with internal threads matched with external threads at the lower end of the optical fiber transition mechanism 4, an extension plate at the periphery of the diaphragm 6 is matched with the stepped groove 72, and after the limiting and fixing barrel 7 is matched with the optical fiber transition mechanism 4, a mounting groove for placing the diaphragm 6 is formed between the lower end of the optical fiber transition mechanism 4 and the stepped groove 72.
As shown in fig. 6, the optical fiber transition mechanism 4 comprises a transition inner cylinder 41, a transition outer cylinder 43 and a transition gap groove 44, wherein the transition gap groove 44 is formed between the transition inner cylinder 41 and the transition outer cylinder 43, optical fibers are filled in the transition gap groove 44, the transition inner cylinder 41 and the transition outer cylinder 43 are connected through the optical fibers and glue, an extension connecting plate 42 is arranged on the inner side of the transition inner cylinder 41, the extension connecting plate 42 is connected with the objective lens holding ring 9 through bolts, limit clamping grooves 45 are distributed on the periphery of the transition outer cylinder 43, shaft retainer rings 10 are arranged in the limit clamping grooves 45, support extension plates 46 are arranged below the limit clamping grooves 45, and tetrafluoroethylene gaskets 11 are arranged on the support extension plates 46 to play a role in supporting the tetrafluoroethylene gaskets 11.
As shown in fig. 7 and 8, the lower recognition mechanism 8 includes an upper annular baffle 81, a lower annular baffle 82, guide posts 83, a reset buffer spring 84 and a limit baffle 85, a plurality of guide holes 811 are formed in the upper annular baffle 81, a plurality of spring needle bases 814 are distributed between two adjacent guide holes 811, a PCB 815 matched with the spring needle bases 814 is arranged below the spring needle bases 814, an oblique notch 813 and a locking limit groove 812 connected with the oblique notch 813 are formed in the upper annular baffle 81, and the oblique notch 813 extends towards a direction close to the locking limit groove 812.
The inner side of the upper annular baffle 81 is provided with a limiting retainer 816, the limiting retainer 816 is in sliding fit with the surface of the transition outer cylinder 43, the limiting retainer 816 is provided with a shaft retainer 10, and the shaft retainer 10 is used for limiting the sliding range of the upper annular baffle 81.
A plurality of guide posts 83 are distributed on the lower annular baffle 82, the guide posts 83 are in sliding fit with guide holes 811 on the upper annular baffle 81, a reset buffer spring 84 is sleeved on the guide posts 83, and a limit baffle 85 is arranged at the upper end of the guide posts 83 to limit the sliding distance of the upper annular baffle 81 on the guide posts 83.
The optical fiber transition mechanism 4, the limiting fixed cylinder 7, the lower identification mechanism 8, the objective holding ring 9 and the objective 1 are synchronously driven by the rotating fixed protective shell 12 to move upwards, when the limiting protrusion 53 is in contact with the upper surface of the upper annular baffle 81, the external thread of the objective 1 starts to be matched with the internal thread of the zoom lens barrel 2 along with the contact of the limiting protrusion 53 with the surface of the inclined notch 813, the upper annular baffle 81 moves downwards, the guide post 83 is in a compressed state, when the limiting protrusion 53 slides along the surface of the inclined notch 813 until the limiting protrusion 53 slides into the locking limiting groove 812, the upper annular baffle 81 is pushed to move upwards under the action of the restoring force of the guide post 83 until the limiting retainer 816 on the upper annular baffle 81 is in contact with the surface of the shaft retainer ring 10, the lens installation is completed, and in the lens installation process, due to the friction force between the tetrafluoroethylene gasket 11 and the lower annular baffle 82, the lower identification mechanism 8 synchronously rotates along with the fixed protective shell 12, after the lens installation, the spring pins 52 on the upper identification mechanism 5 are matched with the spring pin bases 814 on the lower identification mechanism 8, and the identification is realized through signal judgment.
When the lens is disassembled, the protection shell 12 is rotationally fixed, and the protection shell 12 drives the optical fiber transition mechanism 4, the limiting fixed cylinder 7, the objective lens holding ring 9 and the objective lens 1 to synchronously rotate until the objective lens 1 is separated from the zoom lens barrel 2, so that the lens is disassembled.
In addition, the side surface of the zoom lens barrel 2 is fixed with an optical fiber wire connected with a light source controller, the optical fiber wire is divided into two paths, an optical signal output by one path of optical fiber is input to the objective lens 1 through two 45-degree reflectors in the zoom lens barrel 2 to form coaxial light illumination, and the other path of optical signal is input to the diaphragm 6 through the optical fiber wire in the optical fiber transition mechanism 4 to form annular light illumination, so that the selection of two illumination light modes is realized.
The foregoing is merely illustrative and explanatory of the principles of the utility model, as various modifications and additions may be made to the specific embodiments described, or similar thereto, by those skilled in the art, without departing from the principles of the utility model or beyond the scope of the appended claims.
Claims (9)
1. The detachable microscope lens replacement identification device comprises an objective lens (1), a zoom lens cone (2) and a camera (3), wherein the objective lens (1) is connected with the camera (3) through the zoom lens cone (2), and is characterized by further comprising an optical fiber transition mechanism (4), an upper identification mechanism (5), a limiting fixed cylinder (7) and a lower identification mechanism (8), wherein the upper identification mechanism (5) is arranged on the zoom lens cone (2);
an objective holding ring (9) is arranged on the outer side of the objective (1), the objective holding ring (9) is connected with an optical fiber transition mechanism (4) through a bolt, a tetrafluoroethylene gasket (11) is sleeved on the optical fiber transition mechanism (4), and a lower recognition mechanism (8) matched with the upper recognition mechanism (5) is arranged on the tetrafluoroethylene gasket (11);
the limiting fixed cylinder (7) is in threaded fit with the optical fiber transition mechanism (4), and an aperture guide (6) is arranged in the limiting fixed cylinder (7).
2. The detachable microscope lens replacement recognition device according to claim 1, wherein the upper recognition mechanism (5) comprises two arc-shaped plates, the two arc-shaped plates are fixed through fastening screws (51), a plurality of spring pins (52) are distributed on the periphery of one arc-shaped plate, and a limiting protrusion (53) is arranged at the lower end of one arc-shaped plate.
3. The detachable microscope lens replacement identification device according to claim 1, wherein the fiber transition mechanism (4) comprises a transition inner cylinder (41), a transition outer cylinder (43) and a transition clearance groove (44), a transition clearance groove (44) is formed between the transition inner cylinder (41) and the transition outer cylinder (43), an optical fiber is filled in the transition clearance groove (44), an extension connecting plate (42) is arranged on the inner side of the transition inner cylinder (41), the extension connecting plate (42) is connected with the objective lens holding ring (9) through bolts, limit clamping grooves (45) are distributed on the periphery of the transition outer cylinder (43), support extension plates (46) are arranged below the limit clamping grooves (45), and tetrafluoroethylene gaskets (11) are arranged on the support extension plates (46).
4. A detachable microscope lens exchange identification device according to claim 3, characterized in that the limit clamping groove (45) of the optical fiber transition mechanism (4) is internally sleeved with a shaft retainer ring (10) for blocking the lower identification mechanism (8).
5. The detachable microscope lens replacement identification device according to claim 1, wherein a fixed protective shell (12) is arranged on the outer side of the limiting fixed cylinder (7), and the fixed protective shell (12) is fixed with the optical fiber transition mechanism (4) through bolts.
6. The detachable microscope lens replacement recognition device according to claim 5, wherein a mounting fixing hole (71) and a step groove (72) are formed in the inner side of the limiting fixing cylinder (7), internal threads matched with external threads at the lower end of the optical fiber transition mechanism (4) are distributed on the periphery of the mounting fixing hole (71), and an extension plate on the periphery of the diaphragm (6) is matched with the step groove (72).
7. The detachable microscope lens replacement recognition device according to claim 2, wherein the lower recognition mechanism (8) comprises an upper annular baffle (81), a lower annular baffle (82), a guide post (83), a reset buffer spring (84) and a limit baffle (85), the upper annular baffle (81) is provided with a plurality of guide holes (811), and a PCB (815) matched with the spring needle base (814) is arranged below the spring needle base (814);
a plurality of guide posts (83) are distributed on the lower annular baffle plate (82), the guide posts (83) are in sliding fit with guide holes (811) on the upper annular baffle plate (81), return buffer springs (84) are sleeved on the guide posts (83), and limiting baffle plates (85) are arranged at the upper ends of the guide posts (83).
8. The detachable microscope lens exchange identification device according to claim 7, characterized in that a plurality of spring needle bases (814) are distributed between two adjacent guide holes (811), the upper annular baffle plate (81) is provided with an inclined notch (813) and a locking limit groove (812) connected with the inclined notch (813), and the inclined notch (813) extends towards a direction approaching the locking limit groove (812).
9. The detachable microscope lens replacement identification device according to claim 7, wherein a limiting retainer ring (816) is arranged on the inner side of the upper annular baffle plate (81), the limiting retainer ring (816) is in sliding fit with the surface of the transition outer cylinder (43), and the limiting retainer ring (816) is in contact with the shaft retainer ring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223430397.7U CN219065871U (en) | 2022-12-21 | 2022-12-21 | Detachable microscope lens replacement recognition device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223430397.7U CN219065871U (en) | 2022-12-21 | 2022-12-21 | Detachable microscope lens replacement recognition device |
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| Publication Number | Publication Date |
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| CN219065871U true CN219065871U (en) | 2023-05-23 |
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| CN202223430397.7U Active CN219065871U (en) | 2022-12-21 | 2022-12-21 | Detachable microscope lens replacement recognition device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116430566A (en) * | 2023-06-12 | 2023-07-14 | 南京凯视迈科技有限公司 | Intelligent management method for confocal microscope |
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2022
- 2022-12-21 CN CN202223430397.7U patent/CN219065871U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116430566A (en) * | 2023-06-12 | 2023-07-14 | 南京凯视迈科技有限公司 | Intelligent management method for confocal microscope |
| CN116430566B (en) * | 2023-06-12 | 2023-08-25 | 南京凯视迈科技有限公司 | Intelligent management method for confocal microscope |
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