Optical sight objective lens mounting structure
By adopting a multi-point limit structure in the optical scope objective installation structure, the rotation problem of objective lens caused by loose thread connection in the prior art is solved, the installation stability and connection strength are improved, and the frequency of lens calibration and replacement is reduced.
Patent Information
- Application Number
- CN202422150418.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-03
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-09-03
AI Technical Summary
The existing optical scope objective lens installation structure can easily cause the threaded connection to be loose after continuous vibration, causing the objective lens body to rotate, and the lens needs to be recalibrated or replaced.
The structures of rectangular positioning grooves, rectangular positioning blocks, countershes, decorative covers, internal threads, sealing rings, arcuate sheets, arcuate gaskets and arcuate blocks are adopted to limit the objective lens tubes to enhance the connection strength with the docking lens tubes and prevent rotation and left and right movements.
Effectively prevent the objective lens tube from rotating and moving left and right after installation, improves installation stability and connection strength, and reduces the frequency of calibration and replacement of lenses.
Smart Images

Figure CN222718799U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sights, in particular to an optical sight objective lens mounting structure. Background Art
[0002] An optical sight, or sight for short, is an optical instrument used to aim at a target. It establishes a connection between the target and the aimer's eyes through optical principles, allowing the aimer to accurately aim at the target and shoot. The principles of an optical sight mainly include lens imaging principle, laser aiming principle, and optical magnification principle.
[0003] After searching, the patent document with publication number: CN218884770U discloses a sight objective lens mounting structure, which can pre-install the fixing part and the objective lens body by providing an external thread, an internal thread groove and a limit part, and at the same time can limit the objective lens body inserted into the shell to ensure the tightness of the objective lens body after installation; by providing a locking mechanism, the fixing part and the shell can be connected, further ensuring the fixing effect of the objective lens body after being inserted into the shell.
[0004] When the above-mentioned objective lens is actually installed and used, multiple springs are used to cooperate with the locking mechanism to squeeze the objective lens body and limit it in the shell. Since the objective lens body and the fixing parts are threaded, after being subjected to continuous vibration, the threaded connection is likely to loosen, causing the objective lens body to rotate, resulting in the need to recalibrate or replace the internal lens. Utility Model Content
[0005] The utility model aims to solve the shortcomings in the prior art and proposes an optical sight lens mounting structure.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] An optical sight objective lens mounting structure comprises a lens barrel, one end of the lens barrel is fixedly connected to a docking lens tube, the interior of the docking lens tube is slidably connected to an objective lens tube, the inner wall of the docking lens tube is provided with two rectangular positioning grooves, the outer wall of the objective lens tube is fixedly connected to two rectangular positioning blocks, the outer walls of the two rectangular positioning blocks are respectively slidably connected to the inner walls of the two rectangular positioning grooves, the outer wall of the docking lens tube is provided with two countersunk holes, the inner walls of the two countersunk holes are both threadedly connected with countersunk bolts, the outer wall of the docking lens tube is hinged with an arc piece, the interior of the docking lens tube is provided with a sealing mechanism, and the outer wall of the docking lens tube is provided with a docking mechanism.
[0008] Preferably, the docking mechanism includes an arc block, the outer wall of the docking lens tube is provided with an arc docking groove, the inner wall of the arc docking groove is fixedly connected with two arc gaskets, the arc sheet and the arc block are fixedly connected, the outer wall of the objective lens tube is provided with an arc clamping groove, the inner wall of the arc clamping groove is squeezed with the outer wall of the arc block, and the docking mechanism is provided to increase the limit of the objective lens tube and increase the connection strength with the docking lens tube.
[0009] Preferably, the sealing mechanism includes two sealing rings, and the inner wall of the docking lens tube is provided with two annular grooves, the inner walls of the two annular grooves are respectively slidably connected to the outer walls of the sealing rings, and the inner walls of the two sealing rings are squeezed against the outer wall of the objective lens tube. By setting up the sealing mechanism, the sealing between the lens barrel and the objective lens tube is increased.
[0010] Preferably, the inner wall of the docking scope tube is threadedly connected with a decorative cover, the inner wall of the decorative cover is provided with an internal thread, and the internal thread of the decorative cover can be docked with the existing dust cover of the sighting scope.
[0011] Preferably, the outer walls of the two arc-shaped gaskets are pressed against the outer wall of the arc-shaped block, and the two arc-shaped gaskets and the arc-shaped block are interference fit, have a certain friction force, and play a sealing and anti-slip role.
[0012] Preferably, the outer wall of the lens barrel is rotatably connected to a plurality of adjusting hand wheels.
[0013] Preferably, an eyepiece is fixedly mounted on the other end of the lens barrel, and an anti-impact rubber eye mask is fixedly connected to the outer wall of the eyepiece.
[0014] Compared with the prior art, the advantages of the utility model are:
[0015] This scheme plays a role of rotational limit on the objective tube by arranging a rectangular positioning groove, a rectangular positioning block, a countersunk hole, a decorative cover, an internal thread, a sealing ring, an arc-shaped sheet, an arc-shaped gasket and an arc-shaped block. The countersunk bolt cooperates with the decorative cover to play a role of left and right limit on the objective tube. At the same time, the arc-shaped block is located in the arc-shaped groove on the outer wall of the objective tube, which further limits the objective tube, increases the connection strength between the objective tube and the docking tube, and ensures that the objective tube is stably located in the docking tube. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the description of the specific implementation methods will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0017] Figure 1This is a three-dimensional structural schematic diagram of an optical sight objective lens mounting structure proposed by the utility model;
[0018] Figure 2 This is a schematic cross-sectional structure diagram of an optical sight objective lens mounting structure proposed by the utility model;
[0019] Figure 3 This is a front view structural schematic diagram of an optical sight objective lens mounting structure proposed by the utility model;
[0020] Figure 4 It is a partial three-dimensional structural schematic diagram of an optical sight objective lens mounting structure proposed by the utility model;
[0021] Figure 5 The utility model provides a schematic diagram of an arc-shaped sheet and an arc-shaped block of an optical sight objective lens mounting structure.
[0022] In the figure: 1. lens barrel; 2. docking lens tube; 3. objective lens tube; 4. rectangular positioning groove; 5. rectangular positioning block; 6. countersunk hole; 7. decorative cover; 8. internal thread; 9. sealing ring; 10. arc sheet; 11. arc gasket; 12. arc block; 13. adjusting hand wheel; 14. eyepiece; 15. impact-proof rubber eyecup. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] Depend on Figure 1-Figure 5 As shown, it relates to an optical sight objective lens installation structure, including a lens barrel 1, one end of the lens barrel 1 is fixedly connected to a docking lens tube 2, the interior of the docking lens tube 2 is slidably connected to an objective lens tube 3, the inner wall of the docking lens tube 2 is provided with two rectangular positioning grooves 4, the outer wall of the objective lens tube 3 is fixedly connected to two rectangular positioning blocks 5, the outer walls of the two rectangular positioning blocks 5 are respectively slidably connected to the inner walls of the two rectangular positioning grooves 4, the two rectangular positioning blocks 5 are respectively slid into the two rectangular positioning grooves 4, and the objective lens tube 3 plays a role of rotation limiting.
[0025] Two countersunk holes 6 are provided on the outer wall of the docking mirror tube 2, and the inner walls of the two countersunk holes 6 are threadedly connected with countersunk bolts. The two countersunk bolts cooperate with the two countersunk holes 6 to limit the two rectangular positioning blocks 5. The inner wall of the docking mirror tube 2 is threadedly connected with a decorative cover 7, and the inner wall of the decorative cover 7 is provided with an internal thread 8.
[0026] An arc piece 10 is hinged on the outer wall of the docking mirror tube 2, a plurality of adjusting hand wheels 13 are rotatably connected to the outer wall of the lens barrel 1, an eyepiece 14 is fixedly installed on the other end of the lens barrel 1, and an anti-impact rubber eye mask 15 is fixedly connected to the outer wall of the eyepiece 14.
[0027] The outer wall of the docking mirror tube 2 is provided with a docking mechanism, which includes an arc block 12. The outer wall of the docking mirror tube 2 is provided with an arc docking groove. The inner wall of the arc docking groove is fixedly connected with two arc gaskets 11. The two arc gaskets 11 are made of rubber material and have an arc-shaped overall structure. The two arc gaskets 11 play a role of squeezing and limiting the arc block 12.
[0028] The arc piece 10 is fixedly connected to the arc block 12, the outer walls of the two arc gaskets 11 are pressed against the outer wall of the arc block 12, the outer wall of the objective tube 3 is provided with an arc groove, the inner wall of the arc groove is pressed against the outer wall of the arc block 12, and the arc groove cooperates with the arc block 12 to limit the left and right movement of the objective tube 3.
[0029] A sealing mechanism is provided inside the docking mirror tube 2, and the sealing mechanism includes two sealing rings 9. Two annular grooves are provided on the inner wall of the docking mirror tube 2. The inner walls of the two annular grooves are fixedly connected to the outer walls of the sealing rings 9 respectively. The inner walls of the two sealing rings 9 are squeezed against the outer wall of the objective lens tube 3. The two sealing rings 9 increase the sealing between the lens barrel 1 and the objective lens tube 3.
[0030] Working principle: when in use, the objective lens tube 3 is slid into the docking lens tube 2, and the two rectangular positioning blocks 5 are respectively slid into the two rectangular positioning grooves 4, which play a role of rotation limiting the objective lens tube 3, and the two countersunk bolts can be screwed into the two countersunk holes 6 respectively, and one end of the countersunk bolt is located on the left side of the rectangular positioning block 5, which plays a role of limiting the rectangular positioning block 5; the arc piece 10 is rotated to make the arc block 12 slide into the arc docking groove, so that the arc block 12 is located in the arc groove on the outer wall of the objective lens tube 3, and the objective lens tube 3 is further limited, and the connection strength between the objective lens tube 3 and the docking lens tube 2 is increased. At the same time, the decorative cover 7 can be screwed into the docking lens tube 2, and the end face of the decorative cover 7 is in contact with one end of the objective lens tube 3, which plays a role of left and right limiting. The objective lens tube 3 is limited in multiple places as a whole, ensuring that the objective lens tube 3 is stably located in the docking lens tube 2, and a certain sealing effect is played by the two sealing rings 9.
[0031] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims
1. An optical sight objective lens mounting structure, comprising a lens barrel (1), characterized in that: One end of the lens barrel (1) is fixedly connected to a docking lens tube (2), the interior of the docking lens tube (2) is slidably connected to an objective lens tube (3), the inner wall of the docking lens tube (2) is provided with two rectangular positioning grooves (4), the outer wall of the objective lens tube (3) is fixedly connected to two rectangular positioning blocks (5), the outer walls of the two rectangular positioning blocks (5) are respectively slidably connected to the inner walls of the two rectangular positioning grooves (4), the outer wall of the docking lens tube (2) is provided with two countersunk holes (6), the inner walls of the two countersunk holes (6) are both threadedly connected to countersunk bolts, the outer wall of the docking lens tube (2) is hinged with an arc piece (10), the interior of the docking lens tube (2) is provided with a sealing mechanism, and the outer wall of the docking lens tube (2) is provided with a docking mechanism.
2. The optical sight objective lens mounting structure according to claim 1, characterized in that: The docking mechanism comprises an arc block (12), an outer wall of the docking lens tube (2) is provided with an arc docking groove, the inner wall of the arc docking groove is fixedly connected to two arc gaskets (11), the arc sheet (10) is fixedly connected to the arc block (12), the outer wall of the objective lens tube (3) is provided with an arc clamping groove, and the inner wall of the arc clamping groove is pressed against the outer wall of the arc block (12).
3. The optical sight objective lens mounting structure according to claim 1, characterized in that: The sealing mechanism comprises two sealing rings (9), the inner wall of the docking lens tube (2) is provided with two annular grooves, the inner walls of the two annular grooves are respectively fixedly connected to the outer walls of the sealing rings (9), and the inner walls of the two sealing rings (9) are pressed against the outer wall of the objective lens tube (3).
4. The optical sight objective lens mounting structure according to claim 1, characterized in that: The inner wall of the docking mirror tube (2) is threadedly connected to a decorative cover (7), and the inner wall of the decorative cover (7) is provided with an internal thread (8).
5. The optical sight objective lens mounting structure according to claim 2, characterized in that: The outer walls of the two arc-shaped gaskets (11) are pressed against the outer wall of the arc-shaped block (12).
6. The optical sight objective lens mounting structure according to claim 1, characterized in that: The outer wall of the lens barrel (1) is rotatably connected to a plurality of adjusting hand wheels (13).
7. The optical sight objective lens mounting structure according to claim 1, characterized in that: An eyepiece (14) is fixedly mounted on the other end of the lens barrel (1), and an anti-impact rubber eye mask (15) is fixedly connected to the outer wall of the eyepiece (14).
Citation Information
Patent Citations
Sighting telescope objective lens mounting structure
CN218884770U