Auxiliary mechanism for adjusting focal length of sighting telescope

Abstract

The utility model relates to the technical field of sighting telescope focal length adjustment, and discloses an auxiliary mechanism for sighting telescope focal length adjustment, which comprises a small auxiliary adjusting hand wheel and a large auxiliary adjusting hand wheel rotatably mounted on the outer side of the small auxiliary adjusting hand wheel. Then the first movable block and the first connecting block are fixed through the first bolt, the first outer ring is rotated to control rotation of the adjusting hand wheel, and when a larger large auxiliary adjusting hand wheel needs to be installed, the operation is repeated to enable the large auxiliary adjusting hand wheel to be connected to the outer side of the first outer ring in a sleeving mode; when the auxiliary mechanism for adjusting the focal length of the sighting telescope is actually used, the small auxiliary adjusting hand wheel and the large auxiliary adjusting hand wheel with the adjustable inner rings are convenient to install and can be flexibly assembled and matched together for use, and the auxiliary mechanism is convenient to use and high in practicability. When the large auxiliary adjusting hand wheel with the large size is installed, the small auxiliary adjusting hand wheel with the small size does not need to be dismantled.

Description

An auxiliary mechanism for adjusting the focus of a sight Technical Field

[0001] This utility model relates to the field of scope focus adjustment technology, specifically an auxiliary mechanism for scope focus adjustment. Background Technology

[0002] The initial focal length of a scope is generally fixed, such as when setting it to observe a target at 100m. This means that when shooting at a target at 100m, the target observed through the scope will be clear. When shooting at closer targets (e.g., 50m) or farther targets (e.g., 200m), the target observed through the scope will become unclear. In this case, the scope's focal length needs to be adjusted to ensure a clear image at 50m or 200m. The scope's focal length is adjusted by rotating the adjustment wheel on the side, which changes the relative position of the internal lenses, thus adjusting the scope's focal length. Due to structural limitations or to achieve a more aesthetically pleasing appearance, the diameter of the adjustment wheel is generally not very large. Some operators, for easier and more convenient adjustment, will install an auxiliary adjustment wheel with a larger diameter on top of the main adjustment wheel.

[0003] The diameters of existing auxiliary adjustment handwheels vary. If one is already installed and you want to install another, you need to remove the existing one and then replace it with the new one. Auxiliary adjustment handwheels are generally installed in two ways: pressure plate type and clamp type. For pressure plate type installation, first, place the auxiliary adjustment handwheel onto the scope's adjustment handwheel, then install the pressure plate and secure it to the auxiliary adjustment handwheel with screws. For clamp type installation, place the auxiliary adjustment handwheel onto the scope's adjustment handwheel, then install screws on the side of the auxiliary adjustment handwheel. After tightening the screws, the inner hole of the auxiliary adjustment handwheel that contacts the scope's adjustment handwheel will deform and decrease, thus fixing the auxiliary adjustment handwheel to the scope's adjustment handwheel. This method is more cumbersome. If you need to replace an auxiliary adjustment handwheel of a different size, you need to remove the original one and then install the replacement auxiliary adjustment handwheel. Summary of the Invention

[0004] The purpose of this invention is to provide an auxiliary mechanism for adjusting the focus of a scope, addressing the issue raised in the background section that existing auxiliary adjustment handwheels vary in diameter. If one handwheel is already installed, installing another requires removing the existing one and then replacing it. Auxiliary adjustment handwheel installation methods are generally divided into pressure plate type and clamp type. For pressure plate type installation, the auxiliary adjustment handwheel is first placed on the scope's adjustment handwheel, then the pressure plate is installed and secured to the auxiliary adjustment handwheel with screws. For clamp type installation, the auxiliary adjustment handwheel is placed on the scope's adjustment handwheel, then screws are installed on the side of the auxiliary adjustment handwheel. Tightening the screws deforms and reduces the inner hole of the auxiliary adjustment handwheel that contacts the scope's adjustment handwheel, thus securing the auxiliary adjustment handwheel to the scope's adjustment handwheel. This method is more cumbersome, and if a different size auxiliary adjustment handwheel needs to be replaced, the original one must be removed before installing the replacement.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an auxiliary mechanism for adjusting the focal length of a sight, comprising a small auxiliary adjustment handwheel and a large auxiliary adjustment handwheel rotatably mounted on the outside of the small auxiliary adjustment handwheel. The small auxiliary adjustment handwheel is respectively provided with a connecting rod, an outer ring, an anti-slip tooth, a limiting ring, a movable block, a connecting block, and a bolt. The large auxiliary adjustment handwheel is respectively provided with a connecting rod, an outer ring, an anti-slip tooth, a limiting ring, a movable block, a connecting block, and a bolt.

[0006] Preferably, the first outer ring is disposed on the outer periphery of the small auxiliary adjustment handwheel, the first connecting rod is fixedly installed between the first outer ring and the small auxiliary adjustment handwheel, the second outer ring is disposed on the outer periphery of the large auxiliary adjustment handwheel, and the second connecting rod is fixedly installed between the second outer ring and the large auxiliary adjustment handwheel.

[0007] Preferably, the first limiting ring is fixedly disposed on one side of the inner ring of the small auxiliary adjusting handwheel, and the second limiting ring is fixedly disposed on one side of the inner ring of the large auxiliary adjusting handwheel.

[0008] Preferably, the first movable block is fixedly installed on the outside of the small auxiliary adjustment handwheel, the first connecting block is fixedly installed between the small auxiliary adjustment handwheel and the outer ring, the first movable block is disposed on the side of the first connecting block, the second movable block is fixedly installed on the outside of the large auxiliary adjustment handwheel, the second connecting block is fixedly installed between the large auxiliary adjustment handwheel and the second outer ring, and the second movable block is disposed on the side of the second connecting block.

[0009] Preferably, the movable block one and the side wall of the connecting block are fitted together, the bolt one is threaded between the movable block one and the connecting block one, the movable block two and the side wall of the connecting block two are fitted together, and the bolt two is threaded between the movable block two and the connecting block two.

[0010] Preferably, the first anti-slip tooth is equidistantly arranged on the outer periphery of the first outer ring, the second anti-slip tooth is equidistantly arranged on the outer periphery of the second outer ring, and the first outer ring is rotatably arranged inside the large auxiliary adjustment handwheel.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. First, place the small auxiliary adjustment handwheel around the outer circumference of the adjustment handwheel. Then, use bolt one to fix the movable block one and the connecting block one. Rotate the outer ring one to control the rotation of the adjustment handwheel. When a larger auxiliary adjustment handwheel needs to be installed, repeat the above operation to fit the large auxiliary adjustment handwheel onto the outside of the outer ring one, thus completing the fixed connection between the small and large auxiliary adjustment handwheels. In actual use, this auxiliary mechanism for adjusting the focus of a scope is easy to install through the small and large auxiliary adjustment handwheels with adjustable inner rings. They can be flexibly assembled and used together. When installing the large auxiliary adjustment handwheel, it is not necessary to remove the small auxiliary adjustment handwheel. Attached Figure Description

[0013] Figure 1 is a schematic diagram of the overall three-dimensional structure of this utility model;

[0014] Figure 2 is a three-dimensional structural diagram of the small auxiliary adjustment handwheel of this utility model;

[0015] Figure 3 is a three-dimensional structural diagram of the large auxiliary adjustment handwheel of this utility model.

[0016] In the diagram: 1. Small auxiliary adjustment handwheel; 11. Connecting rod one; 12. Outer ring one; 13. Anti-slip tooth one; 14. Limiting ring one; 15. Movable block one; 16. Connecting block one; 17. Bolt one; 2. Large auxiliary adjustment handwheel; 21. Connecting rod two; 22. Outer ring two; 23. Anti-slip tooth two; 24. Limiting ring two; 25. Movable block two; 26. Connecting block two; 27. Bolt two. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Example 1: Please refer to Figures 1-3. An auxiliary mechanism for adjusting the focal length of a scope includes a small auxiliary adjustment handwheel 1 and a large auxiliary adjustment handwheel 2 rotatably mounted on the outside of the small auxiliary adjustment handwheel 1. The small auxiliary adjustment handwheel 1 is provided with a connecting rod 11, an outer ring 12, an anti-slip tooth 13, a limiting ring 14, a movable block 15, a connecting block 16, and a bolt 17. The large auxiliary adjustment handwheel 2 is provided with a connecting rod 21, an outer ring 22, an anti-slip tooth 23, a limiting ring 24, a movable block 25, a connecting block 26, and a bolt 27. The overall structure of the small auxiliary adjustment handwheel 1 and the large auxiliary adjustment handwheel 2 is very similar, and the small auxiliary adjustment handwheel 1 is rotatably located inside the large auxiliary adjustment handwheel 2.

[0019] Outer ring 12 is set on the outer periphery of small auxiliary adjustment handwheel 1, and connecting rod 11 is fixedly installed between outer ring 12 and small auxiliary adjustment handwheel 1. Outer ring 22 is set on the outer periphery of large auxiliary adjustment handwheel 2, and connecting rod 21 is fixedly installed between outer ring 22 and large auxiliary adjustment handwheel 2. Connecting rod 11 and connecting rod 21 are used to fix outer ring 12 and small auxiliary adjustment handwheel 1, and outer ring 22 and large auxiliary adjustment handwheel 2.

[0020] Limiting ring 14 is fixedly installed on one side of the inner ring of the small auxiliary adjustment handwheel 1, and limiting ring 24 is fixedly installed on one side of the inner ring of the large auxiliary adjustment handwheel 2. Limiting ring 14 is used for limiting the connection between the small auxiliary adjustment handwheel 1 and the adjustment handwheel, and limiting ring 24 is used for fixing the connection between the large auxiliary adjustment handwheel 2 and the small auxiliary adjustment handwheel 1.

[0021] Movable block 15 is fixedly installed on the outside of the small auxiliary adjustment handwheel 1. Connecting block 16 is fixedly installed between the small auxiliary adjustment handwheel 1 and the outer ring 12. Movable block 15 is located on the side of connecting block 16. Movable block 25 is fixedly installed on the outside of the large auxiliary adjustment handwheel 2. Connecting block 26 is fixedly installed between the large auxiliary adjustment handwheel 2 and the outer ring 22. Movable block 25 is located on the side of connecting block 26. In the initial state, movable block 15, connecting block 16, movable block 25, and connecting block 26 are naturally separated. The inner rings of the small auxiliary adjustment handwheel 1 and the large auxiliary adjustment handwheel 2 are not closed, which makes it easy to fit them onto other parts. During installation, they can be fixedly connected by bolt 17 and bolt 27 respectively.

[0022] The side walls of movable block 15 and connecting block 16 are fitted together, and bolt 17 is threadedly connected between movable block 15 and connecting block 16. The side walls of movable block 25 and connecting block 26 are fitted together, and bolt 27 is threadedly connected between movable block 25 and connecting block 26.

[0023] Anti-slip teeth 13 are equidistantly arranged on the outer periphery of outer ring 12, and anti-slip teeth 23 are equidistantly arranged on the outer periphery of outer ring 22. Outer ring 12 is rotatably arranged inside the large auxiliary adjustment handwheel 2. The arrangement of anti-slip teeth 13 and anti-slip teeth 23 facilitates rotational adjustment.

[0024] In this embodiment: Initially, the movable block 15 and the connecting block 16 are separated. First, the small auxiliary adjusting handwheel 1 is placed around the outer circumference of the adjusting handwheel, and then tightened with bolt 17 to complete the fixed connection between the movable block 15 and the connecting block 16. At this time, under the action of bolt 17, the inner ring of the small auxiliary adjusting handwheel 1 can be tightened and directly fixedly connected with the adjusting handwheel. The rotation of the adjusting handwheel can be controlled by rotating the outer ring 12. The anti-slip teeth 13 facilitate precise control of the adjusting wheel. When a larger size needs to be installed... When using the large auxiliary adjustment handwheel 2, repeat the above operation to fit the large auxiliary adjustment handwheel 2 onto the outside of the outer ring 12, and then tighten the bolt 27 to complete the fixed connection between the small auxiliary adjustment handwheel 1 and the large auxiliary adjustment handwheel 2. In actual use, this auxiliary mechanism for adjusting the focus of the scope is easy to install through the small auxiliary adjustment handwheel 1 and the large auxiliary adjustment handwheel 2, which are adjustable in the inner ring. They can be flexibly assembled and used together. When installing the large auxiliary adjustment handwheel 2, it is not necessary to remove the small auxiliary adjustment handwheel 1.

[0025] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0026] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An auxiliary mechanism for adjusting the focal length of a sight, comprising a small auxiliary adjustment handwheel (1) and a large auxiliary adjustment handwheel (2) rotatably mounted on the outside of the small auxiliary adjustment handwheel (1), characterized in that: The small auxiliary adjustment handwheel (1) is provided with a connecting rod (11), an outer ring (12), an anti-slip tooth (13), a limiting ring (14), a movable block (15), a connecting block (16), and a bolt (17). The large auxiliary adjustment handwheel (2) is provided with a connecting rod (21), an outer ring (22), an anti-slip tooth (23), a limiting ring (24), a movable block (25), a connecting block (26), and a bolt (27).

2. The auxiliary mechanism for adjusting the focus of a sight according to claim 1, characterized in that: The outer ring one (12) is disposed on the outer periphery of the small auxiliary adjustment handwheel (1), the connecting rod one (11) is fixedly installed between the outer ring one (12) and the small auxiliary adjustment handwheel (1), the outer ring two (22) is disposed on the outer periphery of the large auxiliary adjustment handwheel (2), and the connecting rod two (21) is fixedly installed between the outer ring two (22) and the large auxiliary adjustment handwheel (2).

3. The auxiliary mechanism for adjusting the focus of a sight according to claim 2, characterized in that: The first limiting ring (14) is fixedly disposed on one side of the inner ring of the small auxiliary adjustment handwheel (1), and the second limiting ring (24) is fixedly disposed on one side of the inner ring of the large auxiliary adjustment handwheel (2).

4. The auxiliary mechanism for adjusting the focus of a sight according to claim 3, characterized in that: The first movable block (15) is fixedly installed on the outside of the small auxiliary adjustment handwheel (1), the first connecting block (16) is fixedly installed between the small auxiliary adjustment handwheel (1) and the outer ring (12), the first movable block (15) is located on the side of the first connecting block (16), the second movable block (25) is fixedly installed on the outside of the large auxiliary adjustment handwheel (2), the second connecting block (26) is fixedly installed between the large auxiliary adjustment handwheel (2) and the outer ring (22), the second movable block (25) is located on the side of the second connecting block (26).

5. The auxiliary mechanism for adjusting the focus of a sight according to claim 4, characterized in that: The sidewalls of the first movable block (15) and the first connecting block (16) are fitted together, and the first bolt (17) is threaded between the first movable block (15) and the first connecting block (16). The sidewalls of the second movable block (25) and the second connecting block (26) are fitted together, and the second bolt (27) is threaded between the second movable block (25) and the second connecting block (26).

6. The auxiliary mechanism for adjusting the focus of a sight according to claim 5, characterized in that: The first anti-slip tooth (13) is equidistantly arranged on the outer periphery of the first outer ring (12), the second anti-slip tooth (23) is equidistantly arranged on the outer periphery of the second outer ring (22), and the first outer ring (12) is rotatably arranged inside the large auxiliary adjustment handwheel (2).

Images