Precise correcting mechanism for axis of objective lens of sighting telescope

Abstract

The sighting telescope objective lens axis precision correction mechanism is small in occupied space, the whole machine does not need to be disassembled during maintenance, and the workload is greatly reduced. The objective lens is installed in the objective lens frame, the shell is arranged outside the objective lens, the adjusting module is installed on the top and the right side wall of the shell, one end of the adjusting screw is fixed to the adjusting ratchet wheel, the other end of the adjusting screw is connected with the adjusting sliding block through threads, and the adjusting base presses the adjusting screw to limit the adjusting screw to move in the height direction. The straight screw wrench is rotated, the adjusting screw drives the adjusting sliding block, and the adjusting sliding block is in sliding connection with the objective lens frame, so that the objective lens frame moves in the horizontal or vertical direction; the adjusting shell is installed on the adjusting ratchet wheel, the ejector pin and the ejector pin spring are installed in the adjusting shell, the ejector pin is ejected into teeth of the adjusting ratchet wheel through rotation of the adjusting ratchet wheel, and the adjusting amount of one unit is determined by changing the number of the teeth of the adjusting ratchet wheel.

Description

Technical Field

[0001] The utility model relates to the technical field of optical sights, in particular to a sight objective lens axis precision correction mechanism. Background Art

[0002] As an important component of a firearm, the sight provides the shooter with accurate optical aiming during the shooting process, helping the shooter to hit the target in long-range shooting and fully exerting the combat effectiveness of the firearm. The axis of the sight objective lens needs to be precisely corrected before it can be used.

[0003] The existing sight objective axis precision correction mechanism refers to most reticle adjustment mechanisms. The lens is placed in the mounting frame, and the height and left and right position of the mounting frame are controlled by adjusting ratchets in the vertical and horizontal directions. The traditional adjustment mechanism is usually equipped with a compression spring in the opposite direction of the mounting frame to ensure that the mounting frame is always in close contact with the adjustment slider. However, this adjustment mechanism occupies a large area and cannot be adjusted directly by hand. It needs to be adjusted with the help of tools. The entire machine needs to be disassembled for maintenance, which is a lot of work. Utility Model Content

[0004] In order to overcome the defects of the prior art, the technical problem to be solved by the utility model is to provide a precise correction mechanism for the axis of the objective lens of a sight, which occupies a small space and does not require the whole machine to be disassembled during maintenance, thus greatly reducing the workload.

[0005] The technical solution of the utility model is: a precise correction mechanism for the axis of a sighting lens, which comprises: an objective lens 14, a housing 13, and an adjustment module, wherein the adjustment module comprises: an adjustment ratchet 3, an adjustment screw 4, an adjustment slider 10, an adjustment housing 2, an ejector pin 7, and an ejector pin spring 8;

[0006] The objective lens is installed in the objective lens frame 11, the housing is outside the objective lens, the adjustment module is installed on the top and right side wall of the housing, one end of the adjustment screw is fixed to the adjustment ratchet and the other end is connected to the adjustment slider through a thread, the adjustment seat 5 is pressed on the adjustment screw to limit the movement of the adjustment screw in the vertical direction, the top of the adjustment screw is provided with a slot, and the adjustment screw is turned with a slotted screw wrench, the adjustment screw drives the adjustment slider, and the adjustment slider is slidably connected with the objective lens frame, so that the objective lens frame moves horizontally or vertically;

[0007] The adjusting housing is mounted on the adjusting ratchet, and an ejector pin and an ejector pin spring are mounted inside the adjusting housing. The ejector pin is pushed into the teeth of the adjusting ratchet by rotating the adjusting ratchet, and the adjustment amount of one unit is determined by changing the number of teeth of the adjusting ratchet.

[0008] The adjustment module of the utility model is installed at one end of the objective lens frame, one end of the adjustment screw is fixed to the adjustment ratchet and the other end is connected to the adjustment slide block through a thread, the adjustment seat is pressed on the adjustment screw to limit the movement of the adjustment screw in the height direction, the top of the adjustment screw is provided with a slotted groove, which is rotated with a slotted screw wrench, the adjustment screw drives the adjustment slide block, and the adjustment slide block is slidably connected with the objective lens frame to make the objective lens frame move horizontally or in the height direction, the adjustment housing is installed on the adjustment ratchet, and an ejector pin and an ejector pin spring are installed inside the adjustment housing, the ejector pin is pushed into the teeth of the adjustment ratchet by rotating the adjustment ratchet, and the adjustment amount of one unit is determined by changing the number of teeth of the adjustment ratchet, so the space occupied is small, the whole machine does not need to be disassembled during maintenance, and the workload is greatly reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 The utility model is a schematic diagram of the overall structure of the sight objective lens axis precision correction mechanism. DETAILED DESCRIPTION

[0010] like Figure 1 As shown, a precise correction mechanism for the axis of a sight objective lens comprises: an objective lens 14, a housing 13, and an adjustment module, wherein the adjustment module comprises: an adjustment ratchet 3, an adjustment screw 4, an adjustment slider 10, an adjustment housing 2, an ejector pin 7, and an ejector pin spring 8;

[0011] The objective lens is installed in the objective lens frame 11, the housing is outside the objective lens, the adjustment module is installed on the top and right side wall of the housing, one end of the adjustment screw is fixed to the adjustment ratchet and the other end is connected to the adjustment slider through a thread, the adjustment seat 5 is pressed on the adjustment screw to limit the movement of the adjustment screw in the vertical direction, the top of the adjustment screw is provided with a slot, and the adjustment screw is turned with a slotted screw wrench, the adjustment screw drives the adjustment slider, and the adjustment slider is slidably connected with the objective lens frame, so that the objective lens frame moves horizontally or vertically;

[0012] The adjusting housing is mounted on the adjusting ratchet, and an ejector pin and an ejector pin spring are mounted inside the adjusting housing. The ejector pin is pushed into the teeth of the adjusting ratchet by rotating the adjusting ratchet, and the adjustment amount of one unit is determined by changing the number of teeth of the adjusting ratchet.

[0013] The adjustment module of the utility model is installed at one end of the objective lens frame, one end of the adjustment screw is fixed to the adjustment ratchet and the other end is connected to the adjustment slide block through a thread, the adjustment seat is pressed on the adjustment screw to limit the movement of the adjustment screw in the height direction, the top of the adjustment screw is provided with a slotted groove, which is rotated with a slotted screw wrench, the adjustment screw drives the adjustment slide block, and the adjustment slide block is slidably connected with the objective lens frame to make the objective lens frame move horizontally or in the height direction, the adjustment housing is installed on the adjustment ratchet, and an ejector pin and an ejector pin spring are installed inside the adjustment housing, the ejector pin is pushed into the teeth of the adjustment ratchet by rotating the adjustment ratchet, and the adjustment amount of one unit is determined by changing the number of teeth of the adjustment ratchet, so the space occupied is small, the whole machine does not need to be disassembled during maintenance, and the workload is greatly reduced.

[0014] Preferably, there is a housing pressing piece 1 on the top of the adjustment housing, a spring is installed between the housing pressing piece and the adjustment housing, and the housing pressing piece and the adjustment housing are connected by a screw. When adjustment is required, the screw is loosened, and the spring lifts the housing pressing piece 1 to expose the interior; when not in use, the screw is tightened, and the housing pressing piece 1 will be pressed against the adjustment housing 2 to protect the interior from sand and dust.

[0015] Preferably, a side plug plate 12 is installed at 45° on the lower right side of the housing, which defines the front and rear positions of the objective lens frame.

[0016] Preferably, an adjustment spring 9 is sleeved between the adjustment slider and the adjustment screw to eliminate the gap between the threads, thereby eliminating backlash.

[0017] Preferably, a limiting groove is provided on the outer circle of the ejector pin, and the bottom of the positioning screw 6 enters the limiting groove to prevent the ejector pin from rotating in the hole.

[0018] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A precise correction mechanism for the axis of a sight objective lens, characterized in that: It includes: An objective lens (14), a housing (13), and an adjustment module, wherein the adjustment module comprises: an adjustment ratchet (3), an adjustment screw (4), an adjustment slider (10), an adjustment housing (2), an ejector pin (7), and an ejector pin spring (8); the objective lens is installed in an objective lens frame (11), the housing is outside the objective lens, the adjustment module is installed on the top and right side wall of the housing, one end of the adjustment screw is fixed to the adjustment ratchet and the other end is connected to the adjustment slider through a thread, the adjustment seat (5) is pressed on the adjustment screw to limit the movement of the adjustment screw in the vertical direction, the top of the adjustment screw is provided with a slotted groove, and when the adjustment screw is rotated by a slotted screw wrench, the adjustment screw drives the adjustment slider, and the adjustment slider is slidably connected to the objective lens frame, so that the objective lens frame moves horizontally or vertically; The adjusting housing is mounted on the adjusting ratchet, and an ejector pin and an ejector pin spring are mounted inside the adjusting housing. The ejector pin is pushed into the teeth of the adjusting ratchet by rotating the adjusting ratchet, and the adjustment amount of one unit is determined by changing the number of teeth of the adjusting ratchet.

2. The sight objective lens axis precision correction mechanism according to claim 1, characterized in that: The top of the adjustment shell is provided with a shell pressing sheet (1), a spring is arranged between the shell pressing sheet and the adjustment shell, and the shell pressing sheet and the adjustment shell are connected by a screw.

3. The sight objective lens axis precision correction mechanism according to claim 2, characterized in that: A side plug plate (12) is installed at 45 degrees on the lower right side of the housing to limit the front and rear positions of the objective lens frame.

4. The sight objective lens axis precision correction mechanism according to claim 3, characterized in that: An adjusting spring (9) is sleeved between the adjusting slide block and the adjusting screw to eliminate the gap between the threads.

5. The sight objective lens axis precision correction mechanism according to claim 3, characterized in that: A limiting groove is provided on the outer circle of the ejector pin, and the bottom of the positioning screw (6) enters the limiting groove to prevent the ejector pin from rotating in the hole.

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