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Focusing structure of coarse-fine-tuning coaxial microscope

A microscope and coarse adjustment technology, applied in the field of microscopes, can solve the problems of reduced transmission efficiency, complex structure, low transmission efficiency of microscopes, etc.

Active Publication Date: 2016-08-10
NINGBO HUAGUANG PRECISION INSTR
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The WW type (double planetary wheel external meshing structure) used in the focus structure of the existing coarse and fine adjustment coaxial microscope is not only complicated in structure, but also its transmission efficiency will continue to decrease with the increase of the microscope's service time; there is also a The focusing structure of the coaxial microscope with coarse and fine adjustment, rolling bearings are set inside, the transmission efficiency of this microscope is low

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  • Focusing structure of coarse-fine-tuning coaxial microscope
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  • Focusing structure of coarse-fine-tuning coaxial microscope

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with the accompanying drawings.

[0015] In the description of the present invention, it should be understood that the terms "upper", "lower", "inner", "outer", etc. indicating orientation or positional relationship are based on the positional relationship described in the drawings, and are only for the convenience of describing the present invention Or simplify the description instead of indicating a specific orientation that must have.

[0016] Such as Figure 1 to Figure 4 As shown, a focusing structure of a coarse and fine adjustment coaxial microscope, which includes a coarse adjustment gear 3, a fine adjustment shaft 2, a gear rod cover 1 axially installed on the microscope body 14, a manually adjustable coarse adjustment handwheel 8 and The fine-tuning handwheel 9, the coarse-tuning gear 3 are located in the gear rod sleeve 1, the fine-tuning shaft 2 is located in the coarse-tuning gear 3, and ...

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Abstract

The invention relates to a focusing structure of a coarse-fine-adjustment coaxial microscope. The focusing structure comprises a coarse tuning gear wheel (3), a fine tuning shaft (2), a tooth bar sleeve (1), a coarse tuning hand wheel (8), and a fine tuning hand wheel (9), wherein the tooth bar sleeve (1), the coarse tuning hand wheel (8), and the fine tuning hand wheel (9) are installed on a microscope body (14) axially. A fixed center wheel (4) is fixedly connected to one end of the tooth bar sleeve (1) between the tooth bar sleeve (1) and the coarse tuning hand wheel (8); and a connecting sleeve (5) sleeves the outer wall of one end, arranged inside the cavity of the fixed center wheel (4), of the coarse tuning gear wheel (3). A transmission mechanism includes a wave-shaped spring washer (10) and a fixed nut (11); the fixed nut (11) cooperates with a thread formed at the outer side of the end portion of the coarse tuning gear wheel (3); and the wave-shaped spring washer (10) is arranged between the inner wall of the connecting sleeve (5) and the fixed nut (11). A gear wheel is arranged at the outer wall of one end of the fixed center wheel (4); a center wheel (13) is arranged at the outer wall of the fine tuning shaft (2); and the fine tuning hand wheel (9) is fixedly connected with the end portion of the fine tuning shaft (2).

Description

technical field [0001] The invention relates to a microscope, in particular to a focusing structure of a coarse and fine adjustment coaxial microscope. Background technique [0002] The WW type (double planetary wheel external meshing structure) used in the focus structure of the existing coarse and fine adjustment coaxial microscope is not only complicated in structure, but also its transmission efficiency will continue to decrease with the increase of the microscope's service time; there is also a The focusing structure of the coaxial microscope with coarse and fine adjustment is equipped with rolling bearings inside, and the transmission efficiency of this microscope is low. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a focusing structure of a coarse and fine adjustment coaxial microscope with high transmission efficiency and simple structure. [0004] In order to solve the above-mentioned technical probl...

Claims

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Application Information

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IPC IPC(8): G02B21/24
CPCG02B21/242
Inventor 孔燕波崔忠仑
Owner NINGBO HUAGUANG PRECISION INSTR
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