Protective structure for microscope lens

Abstract

The utility model belongs to the technical field of microscope lenses, and particularly relates to a protection structure for a microscope lens, which comprises a fixed sleeve, a corrugated pipe and a movable sleeve are sequentially connected below the fixed sleeve, a positioning assembly is fixed on the outer wall of the front end of the movable sleeve, and a mounting seat is fixed on the outer wall of the rear end of the movable sleeve. First butt joint columns are symmetrically fixed to the outer walls of the left side and the right side of the rear end of the movable sleeve, tension springs are arranged on the outer sides of the two first butt joint columns, a sealing cover assembly is arranged under the movable sleeve, the fixed sleeve is arranged on the outer side of a microscope lens in a bonding and sleeving mode, and the movable sleeve is arranged on the outer side of the microscope lens in a sliding and sleeving mode. The microscope lens fixing device is convenient to operate, can avoid influence on the structure of the microscope lens, can be applied to lenses of multiple specifications, and is higher in practicability.

Description

Technical Field

[0001] This utility model belongs to the field of microscope lens technology, and in particular relates to a protective structure for microscope lenses. Background Technology

[0002] Microscope lenses are specialized lens groups designed for high-resolution close-up photography and are a core component of microscopes. Microscope lenses are easily damaged and therefore require protective structures.

[0003] Chinese utility model patent with publication number CN218524944U discloses a protective structure for a microscope lens. By pressing down on the hand slide tube, one end of the support rod and the second rotating shaft rotate to achieve a lateral sliding operation of the protective plate. At the same time, the rollers roll to facilitate stable movement. The structure can be reset by manually releasing the hand slide tube, providing real-time protection.

[0004] A search revealed that the aforementioned protective structures for microscope lenses contain components installed inside the lens, which not only damages the lens structure and affects microscopic observation, but also makes them unsuitable for use with lenses of various sizes, resulting in poor practicality. Therefore, there is an urgent need to improve existing protective structures for microscope lenses and provide a new type of protective structure. Utility Model Content

[0005] The purpose of this utility model is to address the shortcomings of the existing technology by providing a protective structure for microscope lenses that is reasonably designed, simple in structure, has good protective effect, and is applicable to various lens specifications, thereby solving the problems existing in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A protective structure for a microscope lens includes a fixed sleeve, a bellows and a movable sleeve connected sequentially below the fixed sleeve, a positioning component fixed to the front outer wall of the movable sleeve, a mounting base fixed to the rear outer wall of the movable sleeve, first docking posts symmetrically fixed on the left and right outer walls of the rear end of the movable sleeve, tension springs provided on the outer sides of the two first docking posts, a sealing component provided directly below the movable sleeve, the fixed sleeve being adhesively fitted onto the outside of the microscope lens, and the movable sleeve being slidably fitted onto the outside of the microscope lens.

[0008] In a preferred embodiment, the corrugated pipe is made of black plastic, and its two ends are respectively bonded and fixed to a fixed sleeve and a movable sleeve.

[0009] As a preferred implementation, the positioning assembly comprises an L-shaped column and a rubber block, the L-shaped column is located at the middle of the front outer wall of the bottom end of the movable sleeve, one end of the L-shaped column is fixedly connected with the movable sleeve, and the other end of the L-shaped column is bonded with the rubber block.

[0010] As a preferred implementation, the rubber block is in an inverted conical structure.

[0011] As a preferred implementation, the cover assembly comprises a connecting cover, a second butt joint column and a fixing sheet, the rear end of the connecting cover is rotatably connected with the mounting seat, the second butt joint column is symmetrically fixedly installed on the left and right outer walls of the rear end of the connecting cover, and the middle of the front outer wall of the connecting cover is fixedly connected with the fixing sheet.

[0012] As a preferred implementation, the two ends of the tension spring are rotatably connected with the first butt joint column and the second butt joint column respectively, and the inside of the fixing sheet is provided with a circular through hole structure matched with the rubber block, and the diameter of the circular through hole is smaller than the maximum diameter of the rubber block.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] In the scheme of the utility model,

[0015] When the microscope lens needs to be protected, the movable sleeve can be manually pushed downward, the bellows is elongated, and the microscope lens is completely stored in the movable sleeve, then the connecting cover in the vertical state is manually rotated to the horizontal state, the tension spring is used to conveniently exert an upward pulling force on the connecting cover, the connecting cover is tightly abutted with the movable sleeve, the microscope lens is protected in a relatively closed environment, the protection effect is good, compared with the comparative document, the protection structure is convenient to operate, the structure of the microscope lens can be prevented from being affected, the protection structure can be applied to lenses of different specifications, and the practicality is higher.

[0016] When the connecting cover is rotated to the horizontal state and tightly abutted with the bottom of the movable sleeve, the fixing sheet can extrude the inverted conical rubber block, the circular through hole structure in the inside of the fixing sheet is used to facilitate the clamping connection with the rubber block, the connecting cover is conveniently positioned, the closing stability is ensured, and the fixing sheet can be pushed downward when the connecting cover needs to be opened. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced, and the drawings will be described as follows:

[0018] Figure 1 It is a three-dimensional left view structural schematic diagram of the utility model;

[0019] Figure 2 It is the opening state right view structure schematic diagram of the utility model cover assembly;

[0020] Figure 3 It is the overall bottom view structure schematic diagram of the utility model positioning assembly;

[0021] Figure 4 It is the overall top view structure schematic diagram of the utility model cover assembly;

[0022] Figure 5 It is the three-dimensional left view sectional structure schematic diagram of the utility model.

[0023] In the drawing,

[0024] 1, fixed sleeve;2, bellows;3, movable sleeve;4, positioning assembly;41, L-shaped column;42, rubber block;5, mounting seat;6, first butt joint column;7, tension spring;8, cover assembly;81, connecting cover;82, second butt joint column;83, fixed sheet. DETAILED DESCRIPTION

[0025] The embodiments described below are only a part of the embodiments of the utility model, and do not represent all the embodiments consistent with the utility model. Now, the exemplary embodiments are described as follows in combination with the drawings:

[0026] As Figures 1-5 Indicated, the utility model microscope lens protection structure, it includes fixed sleeve 1, the lower of fixed sleeve 1 is connected with bellows 2 and movable sleeve 3 in proper order, and the front end outer wall of movable sleeve 3 is fixed with positioning assembly 4, and the rear end outer wall of movable sleeve 3 is fixed with mounting seat 5, and the outer wall on the left and right sides of the rear end of movable sleeve 3 is symmetrically fixed with first butt joint column 6, and the outer side of two first butt joint columns 6 is equipped with tension spring 7, and the directly below of movable sleeve 3 is equipped with cover assembly 8, and fixed sleeve 1 is bonded to set in the outside of microscope lens, and movable sleeve 3 is slidingly set in the outside of microscope lens.

[0027] On the basis of the above structure, bellows 2 is black plastic material, and the two ends of bellows 2 are respectively bonded and fixed with fixed sleeve 1 and movable sleeve 3.

[0028] In the embodiment, the setting of bellows 2 facilitates the lifting movement of movable sleeve 3, and facilitates the exposure and storage protection of microscope lens.

[0029] On the basis of the above structure, positioning assembly 4 includes L-shaped column 41 and rubber block 42, L-shaped column 41 is located at the bottom end front outer wall middle position of movable sleeve 3, one end of L-shaped column 41 is embeddedly fixedly connected with movable sleeve 3, and the other end of L-shaped column 41 is bonded with rubber block 42.

[0030] On the basis of the above structure, rubber block 42 is inverted conical structure.

[0031] In the embodiment, the rubber block 42 is arranged to facilitate the snap positioning of the cover assembly 8.

[0032] On the basis of the above structure, the cover assembly 8 comprises a connecting cover 81, a second connecting column 82 and a fixing sheet 83, the rear end of the connecting cover 81 is rotationally connected with the mounting seat 5, the outer walls on the left and right sides of the rear end of the connecting cover 81 are symmetrically and fixedly provided with the second connecting column 82, and the outer wall of the front end of the connecting cover 81 is fixedly connected with the fixing sheet 83 in the middle part.

[0033] On the basis of the above structure, the two ends of the tension spring 7 are rotationally connected with the first connecting column 6 and the second connecting column 82 respectively, and the inside of the fixing sheet 83 is provided with a circular through hole structure matched with the rubber block 42, and the diameter of the circular through hole is smaller than the maximum diameter of the rubber block 42.

[0034] In the embodiment, the connecting cover 81 is conveniently tensioned by the tension spring 7, so that the state of the connecting cover 81 in the closed or opened state is stable.

[0035] The working principle of the utility model is as follows:

[0036] In use, first, the fixing sleeve 1 is adhered and sleeved at a specified position of the microscope lens, then the movable sleeve 3 is pulled downward, the bellows 2 is elongated, the microscope lens can be accommodated to the inside of the movable sleeve 3, then the vertical connecting cover 81 shown in the Figure 2 is rotated to the horizontal state shown in the Figure 1 , the tension spring 7 is used to conveniently exert an upward pulling force on the connecting cover 81, the connecting cover 81 is conveniently tightly abutted with the movable sleeve 3, the microscope lens is protected in a relatively closed environment, the protection effect is good, and the connecting cover 81 can be rotated to the vertical state and the movable sleeve 3 can be pushed upward in use, so that the microscope lens is exposed, when the connecting cover 81 is in the vertical opened state, the tension spring 7 can also play a tensioning positioning effect, and the stable working use of the microscope lens is facilitated.

[0037] When the connecting cover 81 is rotated to the horizontal state, the fixing sheet 83 can extrude the rubber block 42 in the inverted conical shape, the circular through hole structure in the inside of the fixing sheet 83 is used to facilitate the snap connection with the rubber block 42, the closed stability of the connecting cover 81 is conveniently ensured, and when it is needed to be opened, the fixing sheet 83 is pushed downward with force to be separated from the rubber block 42.

[0038] The protection structure is more convenient to operate, can avoid damaging the structure of the microscope lens itself, can be suitable for use in multiple specifications of lenses, and is more practical.

[0039] The above is only a preferred embodiment of the present application, and does not limit the scope of protection of the present application; any equivalent changes, modifications, replacements and variations made by logical analysis, reasoning or limited experiments on the basis of the prior art according to the concept of the present application should be within the protection scope determined by the claims.

Claims

1. A protective structure for microscope objective, comprising a fixing sleeve (1), characterized in that: The lower part of the fixed sleeve (1) is sequentially connected with a bellows (2) and a movable sleeve (3), the front end outer wall of the movable sleeve (3) is fixed with a positioning assembly (4), the rear end outer wall of the movable sleeve (3) is fixed with a mounting seat (5), the rear end left and right outer walls of the movable sleeve (3) are symmetrically fixed with first butt columns (6), the outer sides of the two first butt columns (6) are both provided with tension springs (7), the front of the movable sleeve (3) is provided with a cover assembly (8), the fixed sleeve (1) is adhesively sleeved on the outer side of a microscope lens, and the movable sleeve (3) is slidably sleeved on the outer side of the microscope lens.

2. The protective structure for microscope lenses according to claim 1, characterized in that: The bellows (2) is made of black plastic material, and the two ends of the bellows (2) are adhesively fixed with the fixed sleeve (1) and the movable sleeve (3).

3. The protective structure for microscope lenses according to claim 1, characterized in that: The positioning assembly (4) comprises an L-shaped column (41) and a rubber block (42), the L-shaped column (41) is located at the bottom end front outer wall middle position of the movable sleeve (3), one end of the L-shaped column (41) is embeddedly and fixedly connected with the movable sleeve (3), and the other end of the L-shaped column (41) is adhesively connected with the rubber block (42).

4. The protective structure for microscope lenses according to claim 3, characterized in that: The rubber block (42) is a reverse conical structure.

5. The protective structure for microscope lenses according to claim 4, characterized in that: The cover assembly (8) comprises a connecting cover (81), second butt columns (82) and fixing sheets (83), the rear end of the connecting cover (81) is rotatably connected with the mounting seat (5), the left and right outer walls of the rear end of the connecting cover (81) are symmetrically fixedly installed with the second butt columns (82), and the front end outer wall middle part of the connecting cover (81) is fixedly connected with the fixing sheets (83).

6. The protective structure for microscope lenses according to claim 5, characterized in that: The two ends of the tension spring (7) are rotatably connected with the first butt column (6) and the second butt column (82), respectively, and the inside of the fixing sheet (83) is provided with a circular through hole structure matched with the rubber block (42), and the diameter of the circular through hole is smaller than the maximum diameter of the rubber block (42).

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