Binocular ranging telescope with double-image adjusting mechanism
The binocular rangefinder telescope addresses high costs and low efficiency by using an adjustment bracket and screws to align optical axes within the lens barrel, simplifying the mold and reducing costs without pre-placing hardware, thus improving production efficiency.
Patent Information
- Application Number
- CN202421110028.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-20
AI Technical Summary
Existing binocular rangefinder telescopes require pre-placing hardware in the mold during lens barrel injection molding, leading to complex mold structures, high product and hardware costs, and low production efficiency for dual-image adjustment.
A binocular rangefinder telescope with a dual-image adjustment mechanism featuring an adjustment bracket and three adjustment screws, allowing the prism assembly to be mounted inside the lens barrel, enabling optical axis alignment without mold hardware, using an injection-molded adjustment bracket and partition plate for screw fixation.
Simplifies the lens barrel injection mold structure, reduces manufacturing costs, and enhances production efficiency by eliminating the need for pre-placed mold hardware, while achieving effective dual-image adjustment.
Smart Images
Figure CN222259708U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to a binocular distance measuring telescope with a double-image adjustment mechanism. Background Art
[0002] The structure of the existing binocular rangefinder telescope includes a left lens barrel, a right lens barrel and a central axis connection structure. The structures of the left lens barrel assembly and the right lens barrel assembly are basically the same, including a lens barrel, an objective lens, a prism assembly and an eyepiece. The objective lens, the prism assembly and the eyepiece are installed in the lens barrel, and the prism assembly is located in the middle of the lens barrel. For the specific structure, please refer to the utility model patent with patent number CN202322510592 and the name: A binocular telescope with high-definition display.
[0003] Before leaving the factory, each binocular rangefinder telescope needs to adjust the optical axes of the left and right barrels to make them parallel to achieve double image adjustment (i.e., adjust the imaging of the left and right barrels). The usual practice is to move the position of the prism assembly to make the optical axes of the left and right barrels parallel.
[0004] The dual-image adjustment of binocular rangefinders on the market now is that the hardware is pre-placed in the mold during the injection molding of the lens barrel, and then three screws are screwed into the hardware screw holes of the lens barrel at the right position. The screws are pressed against the prism assembly through the screw holes of the hardware. By adjusting the tightness of the three screws, the position of the prism assembly can be moved so that the optical axes of the left and right barrels are parallel, realizing dual-image adjustment. This structure has the following disadvantages: the hardware needs to be pre-placed in the mold during the injection molding of the lens barrel, the mold structure is complex, the product cost is high, and the hardware cost is also high, and the production efficiency is low. Summary of the invention
[0005] The utility model aims to provide a binocular distance measuring telescope with a dual-image adjustment mechanism, which solves the problem that in the prior art, in order to adjust the optical axes of the left lens barrel assembly and the right lens barrel assembly, hardware needs to be pre-placed in the mold during the lens barrel injection molding, the mold structure is complex, the product cost is high, the hardware cost is also high, and the production efficiency is low.
[0006] The technical solution of the utility model is achieved in this way:
[0007] A binocular rangefinder telescope with a double-image adjustment mechanism comprises a left lens barrel and a right lens barrel, both of which comprise a lens barrel, an objective lens, a prism assembly and an eyepiece, wherein the objective lens, the prism assembly and the eyepiece are mounted inside the lens barrel; the characteristic is that the prism assembly is mounted inside the lens barrel through the double-image adjustment mechanism; the double-image adjustment mechanism comprises an adjustment bracket and three adjustment screws, the adjustment bracket comprises a bottom plate and three mounting bosses protruding from the edge of the bottom plate, the three mounting bosses are circumferentially spaced, each mounting boss is provided with a screw hole, the adjustment screw is screwed into the screw hole, a partition plate is arranged in the middle of the lens barrel, the bottom plate is attached to the bottom of the partition plate, the bottom plate and the partition plate are fixed together by a plurality of fixing screws, the mounting boss passes through the partition plate, the prism assembly is supported above the partition plate, the top of the adjusting screw protrudes from the screw hole and abuts against the bottom of the prism assembly, the position of the prism assembly is moved by adjusting the tightness of the three adjusting screws, so that the optical axes of the left lens barrel and the right lens barrel are parallel, thereby realizing double-image adjustment.
[0008] The three mounting bosses are evenly distributed, and the angle between two adjacent mounting bosses is 120 degrees.
[0009] The above-mentioned adjustment bracket is an injection molded part.
[0010] The partition plate is provided with a plurality of mounting studs downwardly, and through holes are provided on the bottom plate at positions corresponding to the mounting studs. The mounting studs are inserted into the through holes and then fixing screws are screwed in to fix the bottom plate and the partition plate together.
[0011] Compared with the prior art, the utility model has the following advantages:
[0012] Effect 1: The prism assembly of the utility model is installed in the lens barrel through a double-image adjustment mechanism; the double-image adjustment mechanism includes an adjustment bracket and three adjustment screws, the adjustment bracket includes a base plate and three mounting bosses protruding from the edge of the base plate, the three mounting bosses are circumferentially spaced, each mounting boss is provided with a screw hole, the adjusting screw is screwed into the screw hole, a partition plate is provided in the middle of the lens barrel, the base plate is attached to the bottom of the partition plate, the base plate and the partition plate are fixed together with a plurality of fixing screws, the mounting boss passes through the partition plate, the prism assembly is supported above the partition plate, the top of the adjusting screw protrudes from the screw hole and rests on the bottom of the prism assembly, the position of the prism assembly is moved by adjusting the tightness of the three adjusting screws, so that the optical axes of the left lens barrel and the right lens barrel are parallel, and double-image adjustment is achieved. In this way, there is no need to place hardware when the lens barrel is injection molded, the structure of the lens barrel injection mold can be simplified, the manufacturing cost can be reduced, and the production efficiency can be improved.
[0013] Effect 2: The adjustment bracket is an injection-molded part with low manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 A three-dimensional diagram of the present invention from one angle;
[0015] Figure 2 It is a structural sectional view of the utility model;
[0016] Figure 3 This is a stereogram after the objective lens and eyepiece are omitted in the utility model;
[0017] Figure 4 This is an exploded view of the present invention after omitting the objective lens and eyepiece;
[0018] Figure 5 A three-dimensional diagram of the installation of the prism assembly and the adjustment bracket of the utility model;
[0019] Figure 6 An exploded view of the installation of the prism assembly and the adjustment bracket of the utility model;
[0020] Figure 7 This is a front view of the prism assembly and the adjustment bracket of the utility model after installation;
[0021] Figure 8 yes Figure 7 AA section view. DETAILED DESCRIPTION
[0022] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment 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.
[0023] Embodiment 1:
[0024] like Figures 1 to 8As shown, this embodiment provides a binocular rangefinder with a double-image adjustment mechanism, including a left lens barrel assembly 100 and a right lens barrel assembly 200, both of which include a lens barrel 1, an objective lens 2, a prism assembly 3 and an eyepiece 4, and the objective lens 2, the prism assembly 3 and the eyepiece 4 are installed in the lens barrel 1; the characteristic is that: the prism assembly 3 is installed in the lens barrel 1 through the double-image adjustment mechanism; the double-image adjustment mechanism includes an adjustment bracket 6 and three adjustment screws 5, the adjustment bracket 6 includes a bottom plate 61 and three mounting bosses 62 protruding from the edge of the bottom plate 61, and the three mounting bosses 62 are distributed circumferentially at intervals. Each mounting boss 62 is provided with a screw hole 63, and the adjusting screw 5 is screwed into the screw hole 63. A partition plate 11 is provided in the middle of the lens barrel 1, and the bottom plate 61 is attached to the bottom of the partition plate 11. The bottom plate 61 and the partition plate 11 are fixed together by a plurality of fixing screws 7. The mounting boss 62 passes through the partition plate 11, and the prism assembly 3 is supported above the partition plate 11. The top of the adjusting screw 5 protrudes out of the screw hole 63 and abuts against the bottom of the prism assembly 3. By adjusting the tightness of the three adjusting screws 5, the position of the prism assembly 3 is moved, so that the optical axes of the left lens barrel assembly 100 and the right lens barrel assembly 200 are parallel, and double image adjustment is achieved. In this way, no hardware is needed when the lens barrel is injected, which can simplify the structure of the lens barrel injection mold, reduce manufacturing costs, and improve production efficiency.
[0025] The three mounting bosses 62 are evenly distributed, and the angle between two adjacent mounting bosses 62 is 120 degrees, so as to facilitate the adjustment of the position of the prism assembly 3 .
[0026] The above-mentioned adjustment bracket 6 is an injection molded part. It has a simple structure, is easy to produce, has a low price, and is easy to install.
[0027] The partition plate 11 is provided with a plurality of mounting studs 110 downwardly, and through holes 610 are provided on the bottom plate 61 at positions corresponding to the mounting studs 110. The mounting studs 110 are inserted into the through holes 610 and then the fixing screws 7 are screwed in to fix the bottom plate 61 and the partition plate 11 together.
[0028] The installation principle of the utility model is as follows: the partition plate 11 separates the lens barrel 1 into two parts from the middle, the adjustment bracket 6 is installed from the bottom, and the adjustment bracket 6 is fixed to the partition plate 11 of the lens barrel 1 with three fixing screws 7; the prism assembly 3 is placed into a predetermined position inside the lens barrel 1 from the top, and the three adjusting screws 5 of the prism assembly 3 are respectively aligned at 120 degrees and passed through the lens barrel 1 to be screwed into the screw hole 63 of the mounting boss 62 of the adjusting bracket 6, and the adjusting screw 5 is pressed against the prism assembly through the screw hole 63 of the adjusting bracket 6, so that the optical axes of the left lens barrel assembly 100 and the right lens barrel assembly 200 are parallel, and double-image adjustment is realized.
[0029] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited thereto. Any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are equivalent replacement methods and are included in the protection scope of the present invention.
Claims
1. A binocular distance measuring telescope with a dual image adjustment mechanism, comprising a left lens barrel assembly (100) and a right lens barrel assembly (200), wherein the left lens barrel assembly (100) and the right lens barrel assembly (200) both comprise a lens barrel (1), an objective lens (2), a prism assembly (3) and an eyepiece (4), wherein the objective lens (2), the prism assembly (3) and the eyepiece (4) are installed in the lens barrel (1); Features: The prism assembly (3) is installed in the lens barrel (1) through a double-image adjustment mechanism; the double-image adjustment mechanism comprises an adjustment bracket (6) and three adjustment screws (5); the adjustment bracket (6) comprises a bottom plate (61) and three mounting bosses (62) protruding from the edge of the bottom plate (61); the three mounting bosses (62) are distributed at intervals in the circumferential direction; each mounting boss (62) is provided with a screw hole (63); the adjustment screw (5) is screwed into the screw hole (63); a partition plate (11) is provided in the middle of the lens barrel (1); the bottom plate (61) is attached to the partition plate (11) ), a bottom plate (61) and a partition plate (11) are fixed together by a plurality of fixing screws (7), a mounting boss (62) passes through the partition plate (11), a prism assembly (3) is supported above the partition plate (11), a top of an adjusting screw (5) protrudes from a screw hole (63) and abuts against a bottom of the prism assembly (3), and the position of the prism assembly (3) is moved by adjusting the tightness of the three adjusting screws (5), so that the optical axes of the left lens barrel assembly (100) and the right lens barrel assembly (200) are parallel, thereby realizing double image adjustment.
2. A binocular ranging telescope with a dual-image adjustment mechanism according to claim 1, characterized in that: The three mounting bosses (62) are evenly distributed, and the included angle between two adjacent mounting bosses (62) is 120 degrees.
3. A binocular ranging telescope with a dual-image adjustment mechanism according to claim 1 or 2, characterized in that: The adjusting bracket (6) is an injection molded part.
4. A binocular ranging telescope with a dual-image adjustment mechanism according to claim 1 or 2, characterized in that: A plurality of mounting studs (110) are arranged downwardly of the partition plate (11), and through holes (610) are arranged on the bottom plate (61) at positions corresponding to the mounting studs (110). The mounting studs (110) are inserted into the through holes (610) and then fixing screws (7) are screwed in to fix the bottom plate (61) and the partition plate (11) together.