Copper spacer ring for lens barrel

By incorporating threaded connections and extruded silicone within the lens barrel, the problem of spacers detaching or slipping during installation and disassembly is solved, achieving a stable connection of the spacers and a tight seal of the lens barrel.

CN224354634UActive Publication Date: 2026-06-12NINGBO SHUNFA TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NINGBO SHUNFA TECHNOLOGY CO LTD
Filing Date
2025-08-04
Publication Date
2026-06-12

AI Technical Summary

Technical Problem

Existing lens barrel spacers are prone to detachment or slippage during installation and disassembly, lacking a fixing structure, which can lead to lens damage.

Method used

A copper spacer for a lens barrel was designed. It is connected by a threaded connection with an upper thread on the inner wall of the mounting part and a lower thread on the outer wall of the spacer. The silicone is deformed by an annular convex plate and a protrusion, which enhances the fixing effect.

🎯Benefits of technology

It improves the connection strength between the spacer and the mounting component, reduces the risk of the spacer detaching or slipping out of the lens barrel, enhances the sealing performance between the lens barrel and the spacer, and prevents external water stains from entering.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224354634U_ABST
    Figure CN224354634U_ABST
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Abstract

This utility model discloses a copper spacer for an optical lens barrel, relating to the field of spacers. The copper spacer for an optical lens barrel includes an optical lens barrel, a mounting component, and a spacer. The inner side wall of the mounting component is provided with an upper thread, and the outer side wall of the spacer is provided with a lower thread. An annular convex plate is integrally provided on the annular edge of the mounting component, and a protrusion is fixedly connected to the annular edge of the annular convex plate. A positioning groove is opened on the spacer, and silicone is placed inside the positioning groove. The annular convex plate and the protrusion are inserted into the positioning groove and compress the silicone to deform. By pressing and rotating the spacer, the spacer is installed on the mounting component, thereby reducing the phenomenon of accidental detachment and slippage during the installation of the spacer. Furthermore, by the annular convex plate and the protrusion compressing the silicone in the positioning groove, the silicone wraps around the annular convex plate and the protrusion, thereby improving the connection strength between the spacer and the mounting component. The deformed silicone protrudes outside the annular groove and fits tightly against the inner wall of the optical lens barrel, thereby improving the sealing of the optical lens barrel and the spacer and reducing the ingress of external water stains.
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Description

Technical Field

[0001] This utility model relates to the field of spacer technology, and more specifically, to copper spacers for lens barrels. Background Technology

[0002] A lens consists of several lens elements, spacers, retaining rings, and a lens barrel. Among them, a spacer is a ring-shaped part that is often used to separate two adjacent lens elements in the lens barrel.

[0003] The current method involves placing a spacer in the lens barrel first, and then installing the lens inside. The spacer is used to separate adjacent lenses in the lens barrel to prevent friction and damage between them. However, existing spacers often lack a fixing structure when placed in or removed from the lens barrel. As a result, the existing spacers cannot be fixed inside the lens barrel during installation, making it easy for them to detach or slip off during lens installation or removal. Therefore, a new solution is needed to address this problem. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a copper spacer for lens barrels.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a copper spacer for a lens barrel, comprising a lens barrel, a mounting component, and a spacer. The mounting component is disposed on the inner wall of the lens barrel, and the spacer is detachably connected to the mounting component. The inner side wall of the mounting component is provided with an upper thread, and the outer side wall of the spacer is provided with a lower thread. An annular convex plate is integrally provided on the annular edge of the mounting component, and a protrusion is fixedly connected to the annular edge of the annular convex plate. A positioning groove is provided on the spacer, and silicone is disposed inside the positioning groove. The spacer is threadedly connected to the mounting component through the mating of the lower and upper threads. The annular convex plate and the protrusion are inserted into the positioning groove and compress the silicone to deform.

[0006] By adopting the above technical solution, by pressing and rotating the spacer, the lower thread on the spacer meshes with the upper thread on the mounting part and is fixed. Moreover, when the spacer moves close to the bottom of the mounting part, the annular convex plate and the protrusion will squeeze the silicone, causing the silicone to deform in the positioning groove, thereby wrapping the annular convex plate and the protrusion with silicone, thus increasing the friction between the mounting part and the spacer, and further improving the fixing effect of the mounting part and the spacer.

[0007] The present invention is further configured such that: the diameter of the mounting component is smaller than the diameter of the spacer; and the upper threaded path on the inner side wall of the mounting component is adapted to the lower threaded path on the outer side wall of the spacer.

[0008] By adopting the above technical solution, the diameter of the mounting part is smaller than the diameter of the spacer to facilitate the installation of the spacer on the mounting part, and the textures of the two are compatible to achieve a tight connection.

[0009] The present invention is further configured such that the protrusions are respectively disposed on the outer and inner sides of the annular protrusion plate, and a plurality of the protrusions are distributed in a circular array along the center of the annular protrusion plate.

[0010] The above technical solution incorporates multiple sets of protrusions to enhance the connection strength between the mounting component and the spacer.

[0011] The present invention is further configured such that the surfaces of the multiple sets of protrusions have intersecting patterns.

[0012] By adopting the above technical solution, the cross-pattern is designed to increase friction between the bumps and the silicone.

[0013] The present invention is further configured such that: an annular through groove is formed on the surface of the spacer, an arc-shaped block is integrally formed on the spacer, and an annular baffle is integrally formed on the side of the arc-shaped block away from the spacer; the inner wall of the arc-shaped block is arc-shaped, and a groove is formed on the silicone, the diameter of the groove being larger than the diameter of the arc-shaped block.

[0014] By adopting the above technical solution, the annular groove is designed to allow the silicone to deform and then leak out, so that the deformed silicone fits tightly against the inner wall of the lens barrel and reduces the entry of external water stains.

[0015] The present invention is further configured such that the diameter of the groove is 5mm and the diameter of the arc-shaped block is 3mm.

[0016] In summary, this utility model has the following beneficial effects: by pressing and rotating the spacer, the spacer is installed onto the mounting component, thereby reducing the occurrence of accidental detachment and slippage during spacer installation. Furthermore, by pressing the silicone in the positioning groove through the annular convex plate and protrusion, the silicone wraps around the annular convex plate and protrusion, thereby improving the connection strength between the spacer and the mounting component. The silicone deforms and protrudes from the annular through groove, tightly fitting against the inner wall of the lens barrel, thereby improving the sealing performance of the lens barrel and spacer and reducing the ingress of external water stains. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram showing the overall structure of this utility model broken down.

[0019] Figure 3 This is a partial schematic diagram of the mounting component structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the spacer structure of this utility model;

[0021] Figure 5 This is a schematic diagram showing the disassembled structure of the spacer and silicone of this utility model;

[0022] Figure 6 for Figure 5 Enlarged structural diagram at point A in the middle;

[0023] Figure 7 This is a cross-sectional schematic diagram of the spacer and silicone structure of this utility model.

[0024] In the diagram: 1. Lens barrel; 2. Mounting component; 3. Spacer; 4. Annular convex plate; 5. Protrusion; 6. Upper threaded path; 7. Lower threaded path; 8. Silicone; 81. Groove; 9. Annular through groove; 10. Positioning groove; 11. Arc-shaped block; 12. Annular baffle. Detailed Implementation

[0025] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0026] Please refer to the embodiments of this utility model. Figures 1 to 7 The lens barrel uses a copper spacer, which includes a lens barrel 1, a mounting component 2, and a spacer 3. The mounting component 2 is set on the inner wall of the lens barrel 1, and the spacer 3 is detachably connected to the mounting component 2.

[0027] The inner wall of the mounting part 2 is provided with an upper thread 6, and the outer wall of the spacer 3 is provided with a lower thread 7.

[0028] The mounting part 2 has an annular protrusion 4 integrally provided on its annular edge. The annular protrusion 4 has a protrusion 5 fixedly connected to its annular edge. The spacer 3 has a positioning groove 10, and the positioning groove 10 is filled with silicone 8.

[0029] The spacer 3 is threadedly connected to the mounting part 2 through the mating of the lower thread 7 and the upper thread 6. The annular convex plate 4 and the protrusion 5 are inserted into the positioning groove 10 and squeeze the silicone 8 to deform. In this embodiment, the annular convex plate 4 and the protrusion 5 will squeeze the silicone 8 in the positioning groove 10 to deform, so that the silicone 8 wraps the annular convex plate 4 and the protrusion 5, thereby improving the connection strength between the mounting part 2 and the spacer 3 and preventing the spacer 3 from rotating excessively on the mounting part 2.

[0030] The detailed structure of mounting component 2 and spacer 3 is disclosed below. Please refer to the following. Figure 3 and Figure 4The diameter of the mounting part 2 is smaller than the diameter of the spacer 3; the upper thread 6 provided on the inner side wall of the mounting part 2 and the lower thread 7 provided on the outer side wall of the spacer 3 are mutually compatible. In this embodiment, the upper thread 6 and the lower thread 7 have the same thread pattern, and the diameter of the mounting part 2 is 8cm and the diameter of the spacer 3 is 10cm, so that the spacer 3 can be rotated and fixed on the mounting part 2.

[0031] The following details the settings for the annular convex plate 4 and the convex block 5. Please refer to the documentation. Figure 3 The protrusions 5 are respectively set on the outer and inner sides of the annular protrusion plate 4, and the protrusions 5 surround the center of the annular protrusion plate 4; the surface of the multiple sets of protrusions 5 is cross-patterned. In this embodiment, the annular protrusion plate 4 is higher than the mounting member 2 so as to facilitate the annular protrusion plate 4 to press the silicone 8 in the positioning groove 10.

[0032] The detailed structure of spacer 3 is disclosed below. Please refer to it. Figures 4 to 7 The surface of the spacer ring 3 is provided with an annular through groove 9, and an arc-shaped block 11 is integrally provided on the spacer ring 3. An annular baffle 12 is integrally provided on the side of the arc-shaped block 11 away from the spacer ring 3. The inner wall of the arc-shaped block 11 is arc-shaped, and a groove 81 is provided on the silicone 8. The diameter of the groove 81 is larger than the diameter of the arc-shaped block 11. The diameter of the groove 81 is 5mm, and the diameter of the arc-shaped block 11 is 3mm. In this embodiment, in order to take into account the problem that the silicone 8 may affect the annular baffle 12 or cause accidental deformation during the deformation process, both the arc-shaped block 11 and the annular baffle 12 are provided with reinforcing ribs to prevent the silicone 8 from affecting the arc-shaped block 11 and the annular baffle 12 during the deformation process.

[0033] Working principle: First, the staff installs the mounting part 2 into the inside of the lens barrel 1. Then, the staff holds the spacer 3 and places it on the mounting part 2. Then, the staff presses the spacer 3 with their fingers and rotates it so that the lower thread 7 on the spacer 3 engages with the upper thread 6 on the mounting part 2. The spacer 3 is then moved closer to the bottom of the mounting part 2, so that the spacer 3 is fixed on the mounting part 2 and is not easy to detach or slip out of the lens barrel 1.

[0034] As the spacer ring 3 gradually approaches the bottom of the mounting component 2, since the mounting component 2 is integrally provided with an annular convex plate 4 on its edge, the protrusions 5 are distributed in an annular array along the center of the annular convex plate 4, and the spacer ring 3 is provided with a positioning groove 10, and the positioning groove 10 is provided with silicone 8, when the spacer ring 3 approaches the mounting component 2, the annular convex plate 4 on the mounting component 2 will insert into the positioning groove 10 and squeeze the silicone 8 in the positioning groove 10, so that the silicone 8 deforms and wraps the annular convex plate 4 and the protrusions 5, thereby generating friction between the silicone 8 and the protrusions 5 on the annular convex plate 4, and improving the connection strength between the mounting component 2 and the spacer ring 3;

[0035] Because the spacer 3 has an annular groove 9, and the arc block 11 is integrally formed with the spacer 3, and the bottom of the arc block 11 is arc-shaped, and the silicone 8 has a groove 81, when the silicone 8 is squeezed by the annular protrusion 4, the groove 81 on the silicone 8 will fit with the arc block 11, while other parts of the silicone 8 can deform and protrude into the annular groove 9, so that the silicone 8 fits tightly with the inner wall of the lens barrel 1. This not only enhances the sealing between the lens barrel 1 and the spacer 3, but also reduces the entry of external water stains into the interior of the lens barrel 1, and improves the service life of the spacer 3 and the lens barrel 1.

[0036] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A copper spacer for a microscope tube, comprising a mounting component (2) and a spacer (3) installed inside the microscope tube (1), characterized in that: The mounting component (2) is disposed on the inner wall of the lens barrel (1), and the spacer (3) is detachably connected to the mounting component (2); The inner wall of the mounting component (2) is provided with an upper thread (6), and the outer wall of the spacer (3) is provided with a lower thread (7). The mounting component (2) has an annular protrusion plate (4) integrally provided on its annular edge. The annular protrusion plate (4) has a protrusion block (5) fixedly connected to its annular edge. The spacer (3) has a positioning groove (10) provided on its annular edge. The positioning groove (10) is filled with silicone (8). The spacer (3) is threadedly connected to the mounting part (2) through the mating of the lower thread (7) and the upper thread (6). The annular convex plate (4) and the protrusion (5) are inserted into the positioning groove (10) and squeeze the silicone (8) to deform.

2. The copper spacer for the lens barrel according to claim 1, characterized in that: The diameter of the mounting component (2) is smaller than the diameter of the spacer (3); The upper thread (6) on the inner wall of the mounting component (2) and the lower thread (7) on the outer wall of the spacer (3) are mutually compatible.

3. The copper spacer for the lens barrel according to claim 1, characterized in that: The protrusions (5) are respectively disposed on the outer and inner sides of the annular protrusion plate (4), and a plurality of the protrusions (5) are distributed in a ring array along the center of the annular protrusion plate (4).

4. The copper spacer for the lens barrel according to claim 3, characterized in that: The surfaces of the multiple sets of protrusions (5) are cross-patterned.

5. The copper spacer for the lens barrel according to claim 2, characterized in that: The surface of the spacer (3) is provided with an annular through groove (9), and an arc-shaped block (11) is integrally provided on the spacer (3). An annular baffle (12) is integrally provided on the side of the arc-shaped block (11) away from the spacer (3). The inner wall of the arc block (11) is arc-shaped, and the silicone (8) has a groove (81) with a diameter greater than that of the arc block (11).

6. The copper spacer for the lens barrel according to claim 5, characterized in that: The diameter of the groove (81) is 5 mm, and the diameter of the arc block (11) is 3 mm.