Combined wedge-shaped mirror
By designing semicircular through holes in the wedge mirror to combine them into a circular through hole, the problem of the lack of positioning reference for the existing wedge mirror monomer is solved, and the convenience of the glueing process and the assembly accuracy are ensured.
Patent Information
- Application Number
- CN202420490316.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-13
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-03-13
AI Technical Summary
The existing wedge mirror monomer lacks an effective positioning reference, which makes it difficult to carry out the positioning work of the fixture and is inconvenient for the gluing process.
A combined wedge mirror is designed, and a semicircular through-hole is formed in the left half wedge mirror and the right half wedge mirror, and the diameter of the through-hole, etc., is combined into a whole circular through-hole, as a positioning reference for the gluing process and the installation of the finished product.
This design not only facilitates the completion of the glueing process and the installation of finished products, but also ensures the accuracy of processing and assembly.
Smart Images

Figure CN222672016U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a combined wedge-shaped mirror. Background Art
[0002] The wedge mirror is a commonly used optical element in the optical system. Existing wedge mirrors such as the Chinese invention patent specification CN102229082B and the utility model patent specification CN202192518U disclose the structure of the wedge mirror. Each wedge mirror generally consists of a flat bottom surface, an inclined top surface located above the flat bottom surface and inclined to the flat bottom surface, and a side surface connected between the flat bottom surface and the inclined top surface.
[0003] The combined wedge mirror is to glue two wedge mirror monomers together. In the gluing process, a prefabricated fixture is needed to position each wedge mirror monomer. However, the existing wedge mirror monomer lacks an effective positioning reference, which makes it difficult to carry out the positioning work on the fixture, and is not convenient for the gluing process. Summary of the invention
[0004] The utility model aims to provide a combined wedge-shaped mirror, comprising a left half wedge-shaped mirror and a right half wedge-shaped mirror, wherein the left half wedge-shaped mirror and the right half wedge-shaped mirror both comprise a flat bottom surface, an inclined top surface located above the flat bottom surface and inclined to the flat bottom surface, and a side surface connected between the flat bottom surface and the inclined top surface, wherein the side surface comprises a front side surface, a right side surface, a rear side surface and a left side surface connected end to end in sequence, wherein the inclined top surface extends obliquely from the rear side surface toward the flat bottom surface to the front side surface, so that the height of the rear side surface is greater than the height of the front side surface, the front side surface and the rear side surface are planes parallel to each other, and the right side surface and the left side surface are arc surfaces with the centers of the circles coinciding; wherein, in the left half wedge-shaped mirror, the centers of the right side surface and the left side surface are located on the rear side surface, and the width of the front side surface is less than the width of the rear side surface; in the right half wedge-shaped mirror, the centers of the right side surface and the left side surface are located on the front side surface, and the width of the front side surface is greater than the width of the rear side surface; the diameters of the right side surface and the left side surface of the left half wedge-shaped mirror are equal to those of the right half wedge-shaped mirror. The diameters of the right side and left side of the left semi-wedge mirror are equal, the width of the rear side of the left semi-wedge mirror is equal to the width of the front side of the right semi-wedge mirror; the rear side of the left semi-wedge mirror is glued to the front side of the right semi-wedge mirror, and the flat bottom surface of the left semi-wedge mirror is flush with the flat bottom surface of the right semi-wedge mirror, and the center of the right side and left side of the left semi-wedge mirror coincides with the center of the right side and left side of the right semi-wedge mirror; in the left semi-wedge mirror, the rear side is provided with a left A semicircular through hole, the axis of which passes through the center of the right side surface and the left side surface; in the right semi-wedge-shaped mirror, a right semicircular through hole extending from the flat bottom surface to the inclined top surface is provided on the front side surface, and the axis of which passes through the center of the right side surface and the left side surface; wherein the diameter of the left semicircular through hole is equal to the diameter of the right semicircular through hole, so that the left semicircular through hole and the right semicircular through hole form a whole circular through hole when the left semi-wedge-shaped mirror and the right semi-wedge-shaped mirror are glued together.
[0005] The left semicircular through hole and the right semicircular through hole of the utility model are combined into a whole circle, which can be used as a positioning reference for the gluing process of the left semi-wedge mirror and the right semi-wedge mirror and the installation of the finished product, which not only facilitates the completion of the gluing process and the installation of the finished product, but also ensures the accuracy of processing and assembly. BRIEF DESCRIPTION OF THE DRAWINGS
[0006] Figure 1 Shows a stereogram of the utility model;
[0007] Figure 2 Shows a three-dimensional exploded view of the utility model;
[0008] Figure 3 Shows a front view of the utility model;
[0009] Figure 4 Shown in Figure 3 A schematic diagram of separating the left half wedge mirror from the right half wedge mirror based on the above;
[0010] Figure 5 Shows a top view of the utility model;
[0011] Figure 6 Shown in Figure 5 Schematic diagram of separating the left half wedge mirror from the right half wedge mirror based on the .
[0012] Figure Number:
[0013] 10 left semi-wedge-shaped mirror, 20 right semi-wedge-shaped mirror, 101 flat bottom surface, 102 inclined top surface, 103 front side surface, 104 right side surface, 105 rear side surface, 106 left side surface, 107 left semicircular through hole, 108 right semicircular through hole, 30 circular through hole; h1 height of rear side surface, h2 height of front side surface, d1 width of rear side surface, d2 width of front side surface, O center of circle. DETAILED DESCRIPTION
[0014] The present application scheme is further described below in conjunction with the accompanying drawings.
[0015] like Figures 1 to 6A combined wedge mirror shown in the figure comprises a left half wedge mirror 10 and a right half wedge mirror 20, wherein the left half wedge mirror 10 and the right half wedge mirror 20 both comprise a flat bottom surface 101, an inclined top surface 102 located above the flat bottom surface 101 and inclined to the flat bottom surface 101, and a side surface connected between the flat bottom surface 101 and the inclined top surface 102, wherein the side surface comprises a front side surface 103, a right side surface 104, a rear side surface 105 and a left side surface 106 which are sequentially connected end to end, the inclined top surface 102 extends obliquely from the rear side surface 105 toward the flat bottom surface 101 to the front side surface 103, so that the height h1 of the rear side surface is greater than the height h2 of the front side surface, the front side surface 103 and the rear side surface 105 are parallel planes, and the right side surface 104 and the left side surface 106 are arc surfaces whose centers coincide with each other; wherein,
[0016] In the left semi-wedge mirror 10, the center of the right side surface 104 and the left side surface 106 is located on the rear side surface 105, and the width d2 of the front side surface is smaller than the width d1 of the rear side surface;
[0017] In the right half wedge mirror 20, the center of the right side surface 104 and the left side surface 106 are located on the front side surface 103, and the width d2 of the front side surface is greater than the width d1 of the rear side surface;
[0018] The diameters of the right side 104 and the left side 106 of the left semi-wedge-shaped mirror 10 are equal to the diameters of the right side 104 and the left side 106 of the right semi-wedge-shaped mirror 20, and the width d1 of the rear side of the left semi-wedge-shaped mirror 10 is equal to the width d2 of the front side of the right semi-wedge-shaped mirror 20;
[0019] The rear side surface 105 of the left semi-wedge-shaped mirror 10 is glued to the front side surface 103 of the right semi-wedge-shaped mirror 20, and the flat bottom surface 101 of the left semi-wedge-shaped mirror 10 is flush with the flat bottom surface 101 of the right semi-wedge-shaped mirror 20, and the center of the right side surface 104 and the left side surface 106 of the left semi-wedge-shaped mirror 10 coincides with the center of the right side surface 104 and the left side surface 106 of the right semi-wedge-shaped mirror 20;
[0020] In the left semi-wedge mirror 10, the rear side surface 105 is provided with a left semicircular through hole 107 extending from the flat bottom surface 101 to the inclined top surface 102, and the axis of the left semicircular through hole 107 passes through the center O of the right side surface 104 and the left side surface 106;
[0021] In the right semi-wedge mirror 20, the front side surface 103 is provided with a right semicircular through hole 108 extending from the flat bottom surface 101 to the inclined top surface 102, and the axis of the right semicircular through hole 108 passes through the center O of the right side surface 104 and the left side surface 106;
[0022] The diameter of the left semicircular through hole 107 is equal to the diameter of the right semicircular through hole 108 , so that the left semicircular through hole 107 and the right semicircular through hole 108 form a whole circular through hole 30 when the left half wedge-shaped mirror 10 and the right half wedge-shaped mirror 20 are glued together.
[0023] The left semicircular through hole and the right semicircular through hole can serve as positioning references for the gluing process of the left semi-wedge mirror and the right semi-wedge mirror and the installation of the finished product, which not only facilitates the completion of the gluing process and the installation of the finished product, but also ensures the accuracy of processing and assembly.
[0024] The flat bottom surface 101 and the inclined top surface 102 of the left semi-wedge-shaped mirror 10 and the right semi-wedge-shaped mirror 20 are both coated with anti-reflection films to increase the transmittance of light.
[0025] The front side surface 103, the right side surface 104 and the left side surface 106 of the left semi-wedge mirror 10 are all coated with light-shielding ink to block the light from the side;
[0026] The rear side surface 105, the right side surface 104 and the left side surface 106 of the right semi-wedge-shaped mirror 20 are all coated with light-shielding ink to block the light from the side.
Claims
1. A combined wedge mirror, comprising a left half wedge mirror and a right half wedge mirror, wherein the left half wedge mirror and the right half wedge mirror each comprise a flat bottom surface, an inclined top surface located above the flat bottom surface and inclined to the flat bottom surface, and a side surface connected between the flat bottom surface and the inclined top surface, wherein the side surface comprises a front side surface, a right side surface, a rear side surface and a left side surface connected end to end in sequence, wherein the inclined top surface extends obliquely from the rear side surface toward the flat bottom surface to the front side surface, so that the height of the rear side surface is greater than the height of the front side surface, wherein the front side surface and the rear side surface are planes parallel to each other, and the right side surface and the left side surface are arc surfaces whose centers coincide with each other; wherein, In the left half wedge mirror, the centers of the right and left sides are located on the rear side surface, and the width of the front side surface is smaller than that of the rear side surface; In the right half wedge mirror, the centers of the right and left sides are on the front side, and the width of the front side is greater than that of the rear side; The diameters of the right side and left side of the left semi-wedge-shaped mirror are equal to the diameters of the right side and left side of the right semi-wedge-shaped mirror, and the width of the rear side of the left semi-wedge-shaped mirror is equal to the width of the front side of the right semi-wedge-shaped mirror; The rear side surface of the left semi-wedge-shaped mirror is glued to the front side surface of the right semi-wedge-shaped mirror, and the flat bottom surface of the left semi-wedge-shaped mirror is flush with the flat bottom surface of the right semi-wedge-shaped mirror, and the center of the right side surface and the left side surface of the left semi-wedge-shaped mirror coincides with the center of the right side surface and the left side surface of the right semi-wedge-shaped mirror; Features: In the left semi-wedge mirror, a left semicircular through hole extending from the flat bottom surface to the inclined top surface is provided on the rear side surface, and the axis of the left semicircular through hole passes through the center of the right side surface and the left side surface; In the right half wedge mirror, a right semicircular through hole extending from the flat bottom surface to the inclined top surface is provided on the front side surface, and the axis of the right semicircular through hole passes through the center of the right side surface and the left side surface; The diameter of the left semicircular through hole is equal to the diameter of the right semicircular through hole, so that the left semicircular through hole and the right semicircular through hole form a whole circular through hole when the left semi-wedge-shaped mirror and the right semi-wedge-shaped mirror are glued together.
2. The combined wedge mirror according to claim 1, characterized in that: The flat bottom surface and the inclined top surface of the left half wedge-shaped mirror and the right half wedge-shaped mirror are both coated with anti-reflection films.
3. The combined wedge mirror according to claim 2, characterized in that: The front side, right side and left side of the left semi-wedge-shaped mirror are all coated with light-shielding ink; The rear side surface, the right side surface and the left side surface of the right semi-wedge-shaped mirror are all coated with light-shielding ink.
Citation Information
Patent Citations
Manufacturing method of wedge-shaped lens
CN102229082B
Fine-grinding polishing aid for paired processing of wedge-shaped mirrors
CN202192518U