A base lens holder

Abstract

This utility model discloses a base lens holder, including a clamping rod, a fixed base, a locking plate, and a positioning device connector. One end of the clamping rod is threadedly connected to the fixed base. The locking plate is threadedly connected to the fixed base and is used to change the tightness of the holder. The fixed base is an integral structure, including a first clamping arm and a second clamping arm. The first clamping arm includes a first clamping tip, and the second clamping arm includes a second clamping tip. There is a millimeter gap between the first and second clamping arms, and the first and second clamping tips form a non-closed clamping groove. After the object to be clamped is placed in the clamping groove, it is locked by the locking plate. The clamping groove can be clamped on both sides; the upper part can clamp a microscope, and the lower part can clamp a base lens, making the connection process between the base lens and the microscope very convenient and quick.

Description

Technical Field

[0001] This technology relates to the field of experimental equipment or instruments, specifically to a base lens holder. Background Technology

[0002] Neuronal imaging is a technique that uses various methods, including optical and electronic information technology, to directly or indirectly image the function, structure, or pharmacological properties of the nervous system (mainly brain regions). Neuronal imaging helps us understand the basic workings of nerve cells, further research the causes of nervous system diseases, and explore unknown functions of the nervous system. As a novel technology, neuronal imaging is widely used in research fields such as medicine, psychology, and neuroscience.

[0003] The applications of neural cell imaging technology in the laboratory mainly include monitoring cell-related activities (such as cell proliferation, apoptosis, cell migration and invasion), tracking nerve growth, and live cell imaging.

[0004] The routine procedure for neural cell imaging is as follows: first, specific neural cells are labeled with fluorescent proteins; then, according to the research objective, the experimental environment is simulated and appropriate stimuli (such as light stimulation, electrical stimulation, etc.) are applied; and finally, the movement information of the labeled cells is observed and obtained through a host computer.

[0005] In the above experimental procedures, to directly observe the activity of nerve cells, after fluorescent labeling, the lens needs to be implanted into a specific location (such as a brain region) in the experimental animal. This requires the use of a lens holder. Currently, commercially available lens holders are typically connected to a stereotaxic apparatus and consist of two clamping arms. During clamping, the lens to be clamped is first placed in the clamping groove formed by the two clamping arms, and then tightened with a long bolt. This clamping method is basically the same as the clamping principle of existing insert pin holders or electrode holders, but it often has some drawbacks: using a bolt for direct tightening makes it difficult to control the degree of tightening; over-tightening can easily cause lens deformation, leading to deviations in experimental results; repeated use can easily cause thread stripping; and the clamping part of the holder is also prone to wear and deformation. Utility Model Content

[0006] To address the above problems, this utility model proposes a clamp for a base lens, aiming to improve clamping stability, reduce the probability of lens deformation, and extend the service life of the clamp.

[0007] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0008] A base lens holder includes a clamping rod, a fixed base, a locking plate, and a positioning device connector for connection with a stereo positioning device. One end of the clamping rod is internally threaded to the fixed base, and the positioning device connector is located near the other end of the clamping rod; the position of the positioning device connector is adjustable. The locking plate and the fixed base have internal threads of equal diameter and are connected by a locking bolt. A locking washer is provided between the locking plate and the fixed base to enhance the tightness of the connection and prevent loosening.

[0009] Furthermore, the clamping rod has a smooth surface and micro-chamfers at both ends. The length of the internal thread at the end of the clamping rod that contacts the fixed base is equal to the length of the protruding external thread of the fixed base.

[0010] Furthermore, the fixing base is an integral structure comprising a first clamping arm and a second clamping arm. The first clamping arm includes a first clamping tip, and the second clamping arm includes a second clamping tip. A millimeter-level gap exists between the first and second clamping arms, and the first and second clamping tips form a non-closed clamping groove. The clamping groove is a non-closed composite structure with a perfect circle containing a square, perfectly fitting the part to be clamped.

[0011] Furthermore, the fixed base has an asymmetrical structure and can be used for double-sided clamping.

[0012] Preferably, the lower surface of the fixing base is a non-closed square, matching the shape of the upper surface of the lens base, for holding the lens; the upper surface of the fixing base is a non-closed circle with an embedded square, the circular groove protruding above the square cutout surface, for holding the microscope. When the lens and microscope need to be used together, the lower surface of the microscope directly abuts against the upper surface of the lens base, the two are tightly fitted without gaps, and then locked by the locking piece, to quickly achieve the connection between the lens and the microscope, improving the imaging effect. The application of the microscope can be selected according to the experimental scenario.

[0013] Furthermore, the locking plate locks the clamped part by screwing, wherein screwing towards the clamping rod constitutes locking.

[0014] Furthermore, the fixing base has a threaded positioning hole in front of the through threaded hole of the locking piece, for matching positioning bolts. There is a certain space margin between the positioning bolts and the locking piece, allowing the locking piece to move within a certain angle range for convenient and accurate positioning.

[0015] Furthermore, the positioning bolt is positioned at the start and end points of the allowable movement of the locking plate, corresponding to the unlocked state and the fully locked state respectively, effectively preventing the situation of not locking or being too tight.

[0016] Furthermore, the deformation caused by tightening the locking plate is at the micrometer level, which is almost imperceptible to the naked eye.

[0017] Furthermore, the positioning device connector includes a locking sleeve fitted onto the clamping rod and a connecting structure for connecting with the positioning device.

[0018] The beneficial effects of this utility model are as follows:

[0019] 1. The use of locking plates for fine-tuning of the clamped parts avoids the tedious experience of tightening screws in conventional operations; at the same time, the micron-level deformation control of the locking plates can reduce the lens deformation to below 0.1%, effectively ensuring the accuracy of the experiment.

[0020] 2. Positioning bolts are used to locate the locking plate, ensuring that the clamped part is stable and does not fall off, while preventing over-tightening that could cause deformation of the clamped part; at the same time, locking washers are placed between the locking plate and the fixed base to reduce the probability of wear or loosening of the connecting parts and improve the durability of the structure.

[0021] 3. The double-sided clamping design of the fixed base can quickly connect the base lens to the microscope, simplifying experimental operations and broadening the application scenarios. Attached Figure Description

[0022] Figure 1 This is a structural diagram of the present utility model;

[0023] Figure 2 This is a schematic diagram of the clamping rod structure of this utility model;

[0024] Figure 3 This is a top view of the fixed base of this utility model;

[0025] Figure 4 This is a comparison of the top and bottom of the fixing base of this utility model;

[0026] Figure 5 This is a schematic diagram showing the positions of the fixing base and locking piece of this utility model.

[0027] The annotations in the attached figures are explained as follows:

[0028] 1-Clamping rod; 2-Fixed base; 3-Locking plate; 4-Locking bolt; 5-Locking washer; 6-Positioning bolt; 21-First clamping arm; 22-Second clamping arm; 211-First clamping tip; 221-Second clamping tip. Detailed Implementation

[0029] The present application will now be further described in conjunction with the accompanying drawings.

[0030] In the description of this application, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0031] In the description of this application, it should be noted that, unless otherwise stated or limited, the terms "connection," "installation," "locking," etc., should be interpreted broadly. For example, a connection can be a fixed connection, a detachable connection, or an integral connection; locking can be achieved by snapping on a clip, or by tightening or screwing on a bolt or handle. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0032] Figure 1 This is a structural diagram of the clamp described in this embodiment. This utility model provides a base lens clamp, including a clamping rod (1), a fixed base (2), a locking plate (3), and a positioning device connector (not shown in the figure) for connection with a stereo positioning device. One end of the clamping rod (1) is connected to the fixed base (2) by an internal thread, and the other end of the clamping rod (1) is the positioning device connector (not shown in the figure), the position of which is adjustable. The locking plate (3) and the fixed base (2) are provided with internal threads of equal diameter, and are connected through a locking bolt (4). A locking washer (5) is provided between the locking plate (3) and the fixed base (2) to enhance the tightness of the connection and prevent loosening.

[0033] like Figure 2 As shown, the clamping rod (1) has a smooth surface and both ends are slightly chamfered. The length of the internal thread of the clamping rod (1) that contacts the fixed base (2) is equal to the length of the protruding external thread of the fixed base (2).

[0034] like Figure 3 The fixed base (2) is an integral structure, comprising a first clamping arm (21) and a second clamping arm (22). The first clamping arm (21) comprises a first clamping tip (211), and the second clamping arm (22) comprises a second clamping tip (221). There is a millimeter-level gap between the first clamping arm (21) and the second clamping arm (22). The first clamping tip (211) and the second clamping tip (221) form a non-closed clamping groove, which is a non-closed composite structure with a perfect circle and an embedded square, perfectly fitting the bottom surface of the part to be clamped.

[0035] like Figure 4The fixed base (2) has an asymmetrical structure, and both the upper and lower surfaces can be used to clamp the parts to be clamped.

[0036] Optionally, the lower surface of the fixing base (2) is a non-closed square, matching the shape of the upper surface of the lens base, for fixing the base lens (B-Lens), such as... Figure 5 The upper surface of the fixed base (2) is a non-closed circular shape with an embedded square. The circular groove is higher than the square hollow surface and can be used to place a microscope.

[0037] When the base lens and microscope need to be used together, the base lens and microscope can be integrated into a single structure. Specifically, the lens base and microscope are first fixed together with bolts, and then placed in the clamping groove of the fixed base (2). The circular groove fits against the microscope part, and the square hollow surface allows the lens base to pass through. Then the lens is installed on the base, and the lens and base are locked with bolts. Finally, the locking piece (3) is used to lock it in place. The application of the microscope can be selected according to the experimental scenario.

[0038] The locking plate (3) locks the clamped part by twisting, wherein the inward direction towards the clamping rod is the locking.

[0039] like Figure 5 The fixed base (2) has a threaded positioning hole in front of the through threaded hole of the locking piece (3) to match the positioning bolt (6). There is a certain space margin between the positioning bolt (6) and the locking piece (3), allowing the locking piece (3) to move within a certain angle range, which facilitates accurate positioning.

[0040] The positioning bolt (6) is positioned at the starting and ending points of the allowable movement of the locking piece (3), corresponding to the unlocked state and the fully locked state respectively, effectively avoiding the situation of not locking or locking too tightly.

[0041] The deformation caused by tightening the locking piece (3) is at the micrometer level and is almost imperceptible to the naked eye.

[0042] The positioning device connector (not shown in the figure) includes a locking sleeve fitted onto the clamping rod and a connection structure for connecting to the positioning device.

[0043] The foregoing has shown and described the basic principles, main features, and functions of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. Any modifications made to this application by those skilled in the art without departing from the spirit of this utility model are within the scope of protection of this application.

Claims

1. A base lens holder characterized by, Includes a clamping rod, a fixed base, a locking plate, and a positioning device connector for connecting to a stereo positioning device; One end of the clamping rod is connected to the fixed base by an internal thread, and the other end of the clamping rod is the positioning device connector, the position of which is adjustable. The locking plate and the fixed base are provided with internal threads of equal diameter, and are connected through the locking bolt. A locking washer is provided between the locking plate and the fixed base. The fixed base is an integral structure, including a first clamping arm and a second clamping arm; the first clamping arm includes a first clamping tip, and the second clamping arm includes a second clamping tip; there is a millimeter-level gap between the first clamping arm and the second clamping arm, and the first clamping tip and the second clamping tip form a non-closed clamping groove, which is a non-closed composite structure with a perfect circle and an embedded square.

2. A base lens holder according to claim 1, wherein The fixed base has a threaded positioning hole in front of the through threaded hole of the locking piece, which matches the positioning bolt; there is a certain space margin between the positioning bolt and the locking piece to facilitate accurate positioning; the positioning bolt is positioned at the start and end positions of the lock piece's allowed movement, corresponding to the relaxed state and the fully locked state respectively; the deformation caused by tightening the locking piece is at the micrometer level.

3. A base lens holder according to claim 2, wherein The fixed base has an asymmetrical structure and can be clamped from both sides.

4. A base lens holder according to claim 1, wherein The locking plate locks the clamped part by screwing it inwards towards the clamping rod.

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