Optical fiber module for single-molecule fluorescence detection

Abstract

The utility model discloses an optical fiber module for single-molecule fluorescence detection, which belongs to the technical field of optical fibers and is characterized by comprising an optical fiber module body and an auxiliary mechanism, a clamping rod is bolted on the front side of the optical fiber module body, and limiting blocks are clamped on two sides of the top of the optical fiber module body. By arranging the optical fiber module body and the auxiliary mechanism, the optical fiber module body is an existing light detection device and can detect monomolecular fluorescent light, and the clamping rod can be matched with the replacement base and limit the replacement base, so that a user can conveniently replace the replacement base of a corresponding model according to monomolecular fluorescent optical fibers of different models; and the limiting block can be matched with the reset torsional spring rod, so that a user can conveniently take out the reset torsional spring rod and connect the single-molecule fluorescent optical fiber, the reset torsional spring rod can be matched with the limiting plate, the connected single-molecule fluorescent optical fiber is limited, and the limiting plate can be matched with the replacement clamping plate.

Description

Technical Field

[0001] The utility model relates to the technical field of optical fibers, in particular to an optical fiber module for single-molecule fluorescence detection. Background Art

[0002] The fiber optic module for single-molecule fluorescence detection usually refers to a component or module related to the optical fiber in the optical equipment used for single-molecule fluorescence detection experiments. In this technology, the fiber optic module can be used to transmit excitation light and detection light signals, and connect with a spectrometer or other corresponding equipment.

[0003] At present, a Chinese utility model with publication number: CN209387932U discloses a fiber optic module, which includes: a shell, the shell having an assembly front end and an assembly rear end arranged opposite to the assembly front end; a first clamping arm assembly, arranged at the assembly front end, the first clamping arm assembly including a first elastic clamping arm and a second elastic clamping arm arranged opposite to each other, and the first elastic clamping arm and the second elastic clamping arm are both provided with a clamping structure for clamping with a mounting piece to be installed on the fiber optic module; a second clamping arm assembly, arranged at the assembly rear end, the second clamping arm assembly including a third elastic clamping arm and a fourth elastic clamping arm arranged opposite to each other, and the third elastic clamping arm and the fourth elastic clamping arm are both provided with a clamping structure for clamping with the mounting piece. The fiber optic module of this utility model solves the problem that it is inconvenient to assemble the fiber optic module from the front and rear ends of the layer board through the above structure, making the assembly operation of the fiber optic module and the layer board more convenient.

[0004] When conducting single-molecule fluorescence detection experiments, a fiber optic module structure is used to test the single-molecule fluorescence fiber, and the fiber optic module for single-molecule fluorescence detection is one of them. However, the existing fiber optic module lacks an auxiliary limiting structure for the connection between the fiber and the module. Therefore, the connection between the fiber and the module cannot be further auxiliary limited and protected, thereby reducing the safety of the connection between the fiber and the module during use. Utility Model Content

[0005] The utility model provides an optical fiber module for single-molecule fluorescence detection, aiming to solve the problem that the existing optical fiber module lacks an auxiliary limiting structure for the connection between the optical fiber and the module, so that the connection between the optical fiber and the module cannot be further auxiliary limited and protected, thereby reducing the safety of the connection between the optical fiber and the module when in use.

[0006] The utility model is implemented as follows: an optical fiber module for single-molecule fluorescence detection comprises an optical fiber module body and an auxiliary mechanism, wherein a clamping rod is bolted to the front side of the optical fiber module body, two sides of the top of the optical fiber module body are clamped to limit blocks, a replacement base is clamped to the bottom of the inner front side of the optical fiber module body, the inner side of the replacement base is clamped to the surface of the clamping rod, and the auxiliary mechanism is movably connected to the side opposite to the limit block;

[0007] The auxiliary mechanism includes a reset torsion spring rod, a limit plate and a replacement card plate. The reset torsion spring rod is movably connected to the side opposite to the limit block, the limit plate is bolted to the side opposite to the reset torsion spring rod, the replacement card plate is clamped to the bottom of the limit plate, the bottom of the replacement card plate contacts the top of the replacement base, and the bottom of the replacement card plate is clamped to the clamping rod on one side close to the clamping rod.

[0008] In order to increase the connection stability of the replacement base, as a preferred optical fiber module for single-molecule fluorescence detection of the utility model, the surface of the clamping rod is fixedly connected with a stabilizing clamping plate, the bottom of the stabilizing clamping plate is bolted to the bottom of the optical fiber module body, and the top of the stabilizing clamping plate is clamped to the bottom of the replacement base.

[0009] In order to increase the stability of the optical fiber module body when it is connected to a single-molecule fluorescent optical fiber, as a preferred optical fiber module for single-molecule fluorescence detection of the utility model, the connecting end inside the optical fiber module body is clamped with a protective frame, and the inner side of the protective frame is provided with guiding lines.

[0010] In order to increase the stability of the limit block when connected, as a preferred optical fiber module for single-molecule fluorescence detection of the utility model, the rear side of the limit block is bolted with a reinforcement block, and the bottom of the reinforcement block is threadedly connected to both sides of the top of the optical fiber module body.

[0011] In order to increase the effect of the replacement base on the limiting stability of the single-molecule fluorescent optical fiber, as a preferred optical fiber module for single-molecule fluorescence detection of the utility model, the inner side of the replacement base is clamped with a protective soft cover, and the inner side of the protective soft cover is coated with a waterproof coating.

[0012] In order to increase the connection stability between the clamping rod and the replacement card plate, as a preferred optical fiber module for single-molecule fluorescence detection of the utility model, the top of the clamping rod is bolted with a positioning block, the surface of the positioning block is set as a cylindrical surface, and the top of the positioning block is clamped with the bottom of the replacement card plate.

[0013] In order to facilitate the user to open the limit plate, as a preferred optical fiber module for single-molecule fluorescence detection of the utility model, a lifting handle is bolted to the top of the limit plate, and the surface of the lifting handle is engraved with anti-slip patterns.

[0014] In order to increase the rotational stability of the reset torsion spring rod, as a preferred optical fiber module for single-molecule fluorescence detection of the utility model, a protective ring pad is clamped on the side of the reset torsion spring rod close to the limit plate, and the side of the protective ring pad away from the limit plate is in contact with the optical fiber module body.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The optical fiber module for single-molecule fluorescence detection is provided with an optical fiber module body and an auxiliary mechanism. The optical fiber module body is an existing light detection device that can detect single-molecule fluorescence light. The clamping rod can cooperate with the replacement base to limit the replacement base, so that the user can replace the replacement base of the corresponding type according to different types of single-molecule fluorescent optical fibers, and limit the replacement card. The limit block can cooperate with the reset torsion spring rod, so that the user can take out the reset torsion spring rod and connect the single-molecule fluorescent optical fiber. The reset torsion spring rod can cooperate with the limit plate to limit the connected single-molecule fluorescent optical fiber. The limit plate can cooperate with the replacement card, so that the user can replace the replacement card of the corresponding type according to different types of single-molecule fluorescent optical fibers. The replacement card can cooperate with the replacement base to perform auxiliary limiting on the single-molecule fluorescent optical fiber to be detected, thereby increasing the stability of the single-molecule fluorescent optical fiber when connected to the optical fiber module body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the overall structure diagram of the optical fiber module for single-molecule fluorescence detection of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the protection frame in the utility model;

[0019] Figure 3 It is a structural schematic diagram of the reinforcement block in the utility model;

[0020] Figure 4 It is a structural schematic diagram of the positioning block in the utility model;

[0021] Figure 5 It is a structural schematic diagram of the auxiliary mechanism in the utility model.

[0022] In the figure, 1. Fiber optic module body; 2. Clamping rod; 3. Limiting block; 4. Replacement base; 5. Auxiliary mechanism; 501. Reset torsion spring rod; 502. Limiting plate; 503. Replacement card board; 6. Stabilization card board; 7. Protection frame; 8. Reinforcement block; 9. Protective soft cover; 10. Positioning block; 11. Lifting handle; 12. Protective ring pad. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0025] See also Figure 1-5 The utility model provides a technical solution: an optical fiber module for single-molecule fluorescence detection, comprising an optical fiber module body 1 and an auxiliary mechanism 5, a clamping rod 2 is bolted to the front side of the optical fiber module body 1, and limited blocks 3 are clamped to the two sides of the top of the optical fiber module body 1, and a replacement base 4 is clamped to the bottom of the inner front side of the optical fiber module body 1, and the inner side of the replacement base 4 is clamped to the surface of the clamping rod 2, and the auxiliary mechanism 5 is movably connected to the side opposite to the limited block 3;

[0026] The auxiliary mechanism 5 includes a reset torsion spring rod 501, a limit plate 502 and a replacement clamping plate 503. The reset torsion spring rod 501 is movably connected to the side opposite to the limit block 3, the limit plate 502 is bolted to the side opposite to the reset torsion spring rod 501, the replacement clamping plate 503 is clamped to the bottom of the limit plate 502, the bottom of the replacement clamping plate 503 contacts the top of the replacement base 4, and the bottom of the replacement clamping plate 503 is clamped to the clamping rod 2 on one side close to the clamping rod 2.

[0027] In this embodiment: by setting the optical fiber module body 1 and the auxiliary mechanism 5, the optical fiber module body 1 is an existing light detection device, which can detect single-molecule fluorescent light, the clamping rod 2 can cooperate with the replacement base 4 to limit the replacement base 4, so that the user can replace the replacement base 4 of the corresponding model according to different models of single-molecule fluorescent optical fibers, and limit the replacement card plate 503, the limiting block 3 can cooperate with the reset torsion spring rod 501, so that the user can take out the reset torsion spring rod 501 and connect the single-molecule fluorescent optical fiber, the reset torsion spring rod 501 can cooperate with the limiting plate 502 to limit the connected single-molecule fluorescent optical fiber, the limiting plate 502 can cooperate with the replacement card plate 503, so that the user can replace the replacement card plate 503 of the corresponding model according to different models of single-molecule fluorescent optical fibers, and the replacement card plate 503 can cooperate with the replacement base 4 to perform auxiliary limiting on the single-molecule fluorescent optical fiber to be detected, thereby increasing the stability of the single-molecule fluorescent optical fiber when connected to the optical fiber module body 1.

[0028] As a technical optimization solution of the utility model, a stabilizing clamping plate 6 is fixedly connected to the surface of the clamping rod 2, the bottom of the stabilizing clamping plate 6 is bolted to the bottom of the optical fiber module body 1, and the top of the stabilizing clamping plate 6 is clamped to the bottom of the replacement base 4.

[0029] In this embodiment, by providing a stabilizing clamping plate 6 , it can cooperate with the clamping rod 2 to further limit the replacement base 4 , thereby increasing the structural stability when the replacement base 4 is connected to the clamping rod 2 .

[0030] As a technical optimization solution of the present invention, a protective frame 7 is clamped on the connection end inside the optical fiber module body 1 , and a guiding pattern is provided inside the protective frame 7 .

[0031] In this embodiment: by setting up a protective frame 7, it can cooperate with the optical fiber module body 1 to further limit the connection of the external single-molecule fluorescent optical fiber, and the guiding texture can increase the guidance of the external single-molecule fluorescent optical fiber connection, further increasing the stability of the single-molecule fluorescent optical fiber during connection.

[0032] As a technical optimization solution of the present invention, a reinforcing block 8 is bolted to the rear side of the limiting block 3 , and the bottom of the reinforcing block 8 is threadedly connected to both sides of the top of the optical fiber module body 1 .

[0033] In this embodiment, the reinforcing block 8 is provided to cooperate with the limiting block 3 to further increase the stability when the limiting block 3 is connected to the optical fiber module body 1 .

[0034] As a technical optimization solution of the utility model, a protective soft cover 9 is clamped on the inner side of the replacement base 4, and the inner side of the protective soft cover 9 is coated with a waterproof coating.

[0035] In this embodiment: by providing a protective soft cover 9, it can cooperate with the replacement base 4 to further limit the external single-molecule fluorescent optical fiber, and the waterproof coating can improve the airtightness and waterproofness of the external single-molecule fluorescent optical fiber when connected, thereby improving the safety of the single-molecule fluorescent optical fiber when connected.

[0036] As a technical optimization solution of the utility model, a positioning block 10 is bolted to the top of the clamping rod 2 , the surface of the positioning block 10 is set as a cylindrical surface, and the top of the positioning block 10 is clamped to the bottom of the replacement clamping plate 503 .

[0037] In this embodiment, by providing the positioning block 10 , it can cooperate with the clamping rod 2 to further limit the connection of the replacement clamping plate 503 , and the cylindrical surface can better increase the contact range between the positioning block 10 and the replacement clamping plate 503 .

[0038] As a technical optimization solution of the present invention, a lifting handle 11 is bolted to the top of the limiting plate 502 , and the surface of the lifting handle 11 is engraved with anti-slip patterns.

[0039] In this embodiment: by providing a lifting handle 11, it can cooperate with the limiting plate 502, so that the user can open the limiting plate 502 by pulling the lifting handle 11, so as to further adjust the position of the external single-molecule fluorescent optical fiber, and the anti-slip texture can further increase the stability of the user when holding the lifting handle 11.

[0040] As a technical optimization solution of the utility model, a protective ring pad 12 is clamped on one side of the reset torsion spring rod 501 close to the limiting plate 502 , and a side of the protective ring pad 12 away from the limiting plate 502 is in contact with the optical fiber module body 1 .

[0041] In this embodiment, the protective ring pad 12 is provided to cooperate with the reset torsion spring rod 501 to further increase the structural stability when the reset torsion spring rod 501 is connected to the limiting plate 502 .

[0042] Working principle: First, the replacement base 4 corresponding to the single-molecule fluorescent optical fiber to be detected is clamped on the surface of the clamping rod 2 until the bottom of the replacement base 4 contacts the optical fiber module body 1, and then the single-molecule fluorescent optical fiber to be detected is connected to the connecting end of the optical fiber module body 1, and then the limit block 3 is clamped on the top of the optical fiber module body 1. The user pushes the limit plate 502 upward, and the limit plate 502 drives the replacement card plate 503 to move upward in a circular motion along with the reset torsion spring rod 501 until the replacement card plate 503 is away from the replacement base 4. Then, the single-molecule fluorescent optical fiber to be detected is adjusted until it moves to the desired position. The user releases the limit plate 502, and the reset torsion spring rod 501 will drive the limit plate 502 due to its own elastic force to move the replacement card plate 503 toward the replacement base 4, and clamp the single-molecule fluorescent optical fiber to be detected.

[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An optical fiber module for single-molecule fluorescence detection, comprising an optical fiber module body (1) and an auxiliary mechanism (5), characterized in that: The front side of the optical fiber module body (1) is bolted with a clamping rod (2), the two sides of the top of the optical fiber module body (1) are clamped with limit blocks (3), the bottom of the inner front side of the optical fiber module body (1) is clamped with a replacement base (4), the inner side of the replacement base (4) is clamped with the surface of the clamping rod (2), and the auxiliary mechanism (5) is movably connected to the side opposite to the limit block (3); The auxiliary mechanism (5) comprises a reset torsion spring rod (501), a limit plate (502) and a replacement clamping plate (503); the reset torsion spring rod (501) is movably connected to a side opposite to the limit block (3); the limit plate (502) is bolted to a side opposite to the reset torsion spring rod (501); the replacement clamping plate (503) is clamped to the bottom of the limit plate (502); the bottom of the replacement clamping plate (503) contacts the top of the replacement base (4); and the bottom of the replacement clamping plate (503) is clamped to the clamping rod (2) on a side close to the clamping rod (2).

2. The optical fiber module for single-molecule fluorescence detection according to claim 1, characterized in that: A stabilizing clamping plate (6) is fixedly connected to the surface of the clamping rod (2); the bottom of the stabilizing clamping plate (6) is bolted to the bottom of the optical fiber module body (1); and the top of the stabilizing clamping plate (6) is clamped to the bottom of the replacement base (4).

3. The optical fiber module for single-molecule fluorescence detection according to claim 1, characterized in that: A protective frame (7) is clamped on the connection end on the inner side of the optical fiber module body (1), and a guiding pattern is provided on the inner side of the protective frame (7).

4. The optical fiber module for single-molecule fluorescence detection according to claim 1, characterized in that: A reinforcing block (8) is bolted to the rear side of the limiting block (3), and the bottom of the reinforcing block (8) is threadedly connected to two sides of the top of the optical fiber module body (1).

5. The optical fiber module for single-molecule fluorescence detection according to claim 1, characterized in that: A protective soft cover (9) is clamped on the inner side of the replacement base (4), and a waterproof coating is coated on the inner side of the protective soft cover (9).

6. The optical fiber module for single-molecule fluorescence detection according to claim 1, characterized in that: A positioning block (10) is bolted to the top of the clamping rod (2), the surface of the positioning block (10) is set as a cylindrical surface, and the top of the positioning block (10) is clamped to the bottom of the replacement clamping plate (503).

7. The optical fiber module for single-molecule fluorescence detection according to claim 1, characterized in that: A lifting handle (11) is bolted to the top of the limiting plate (502), and the surface of the lifting handle (11) is engraved with anti-slip patterns.

8. The optical fiber module for single-molecule fluorescence detection according to claim 1, characterized in that: A protective ring pad (12) is clamped on the side of the reset torsion spring rod (501) close to the limiting plate (502), and a side of the protective ring pad (12) away from the limiting plate (502) is in contact with the optical fiber module body (1).

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