Annular polarized light source with adjustable focusing angle
By designing an adjustable ring-polarized light source, the problem of the inability to adjust the illumination angle and focusing distance of light sources in existing optical instruments is solved. This achieves multi-scenario versatility and independently adjustable polarized light functionality, reducing the cost of using optical instruments and the risk of damage.
Patent Information
- Application Number
- CN202423311948.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing ring light sources cannot adjust the illumination angle and focusing distance, which means that optical instruments need to be replaced at different working distances, increasing costs and damaging the instruments. They also lack multi-scenario versatility and independently adjustable polarization devices.
Design an adjustable focusing angle annular polarized light source comprising an annular main support, upper and lower polarizing mirror assemblies, supporting positioning spring plates, angle push wheels, and angle adjustment knobs. The illumination angle and focusing distance can be significantly adjusted through threaded connections and knob adjustment, and it has an independently detachable and adjustable polarized light function.
It enables a wide range of adjustable focusing angles applicable to multiple scenarios, reduces the frequency of light source replacement, minimizes the risk of damage to optical instruments, lowers operating costs, and improves work efficiency.
Smart Images
Figure CN223525051U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to optical instrument technical field especially relates to a kind of for adjustable focusing angle annular polarized light source. BACKGROUND
[0002] Annular light source is very extensive in optical instrument field, and existing annular light source is fixed illumination angle, fixed focusing distance cannot be adjusted, for the optical instrument that work distance changes greatly, only multiple annular light sources can be equipped, increase cost, and need to be frequently replaced, reduce work efficiency, also cause damage to optical instrument, there is no large-scale adjustable focusing angle annular light source of multi-scene general type in current optical instrument field, and there is no independent, detachable, adjustable polarized light device, polarized light source is very important in material detection, defect detection etc.Application, can eliminate stray light interference, highlight detail features, in view of the above situation, it is urgent to design a kind of annular polarized light source with multi-scene, general-purpose, large-scale adjustable focusing angle in the application of optical instrument field. SUMMARY
[0003] The utility model aims at providing a kind of for adjustable focusing angle annular polarized light source.
[0004] To achieve the above object, the technical scheme of the utility model is:
[0005] The utility model provides a kind of adjustable focusing angle annular polarized light source, it is characterized in that, including annular main body support, upper polarizing lens component, support positioning spring piece, angle pushing wheel, angle adjustment knob and lower polarizing lens component, the inside of the annular main body support is equipped with mounting port and inner cavity body in turn, the mounting port is opened at the top end of annular main body support, the inner diameter of mounting port is less than the inner diameter of inner cavity body, the outer wall of upper polarizing lens component is threadedly connected with the inner wall of mounting port, the top end of support positioning spring piece is fixedly connected with the top end of inner cavity body, several support positioning spring pieces are evenly distributed in the outer periphery of the top end of inner cavity body, the bottom of support positioning spring piece is equipped with LED lamp assembly, the middle part of inner cavity body is equipped with angle pushing wheel, the outer wall of angle pushing wheel can rotate along the inner wall of inner cavity body, the inner wall of angle pushing wheel is equipped with several arc bosses, the inner wall of arc boss is interference fit with the outer wall of LED lamp assembly, arc boss extrudes LED lamp assembly to make support positioning spring piece bend inward, angle adjustment knob and lower polarizing lens component are successively sleeved on the outer wall of the lower part of annular main body support in turn, angle adjustment knob is fixedly connected with the lower part of angle pushing wheel along radial direction, lower polarizing lens component is penetrated and is equipped with several ball plunger along radial direction, the outer wall of the bottom of annular main body support is equipped with dovetail groove, lower polarizing lens component is rotatably connected with annular main body support by the cooperation of ball plunger and dovetail groove, the outer wall of annular main body support is engraved with illumination focusing angle scale line, the illumination focusing angle scale line is counted with the pointer on angle adjustment knob.
[0006] Further, the LED lamp assembly includes an LED spotlight and a lampshade, the lampshade is fixedly connected with the inner side of the bottom of the support positioning spring piece, and the LED spotlight is installed at the center of the top end of the lampshade.
[0007] Further, the angle pushing wheel is integrally formed with a limiting ring, and the limiting ring is threadedly connected with the bottom of the inner cavity body to limit the up-down sliding of the angle pushing wheel.
[0008] Further, the outer wall of the annular main body support is provided with a circumferentially extending waist slot through hole, the bolt penetrates the waist slot through hole along the radial direction to connect the angle adjustment knob and the angle pushing wheel, and the waist slot through hole limits the rotation angle of the angle adjustment knob.
[0009] Further, the upper polarizing lens component includes an upper polarizing lens and a lens fixing ring, the polarizing lens is fixed in the lens fixing ring, and the outer wall of the lens fixing ring is threadedly connected with the inner wall of the mounting port.
[0010] Further, the lower polarizing lens component includes a lower polarizing lens and a lens fixing seat, the side section of the lens fixing seat is L-shaped, the polarizing lens is installed in the lens fixing seat, and the polarizing lens is located below the annular main body support.
[0011] Further, the inner wall of the lens fixing seat is coated with damping glue, and is closely mounted on the bottom of the annular body support from bottom to top.
[0012] Further, the outer wall of the lower part of the annular body support is provided with an annular concave surface, and the inner wall of the angle adjusting knob and the lower polarizing mirror assembly is matched with the outer wall of the annular concave surface.
[0013] Further, the upper part of the annular body support is provided with a power line passing hole in the radial direction, and the wire harness is connected with the LED lamp assembly through the power line passing hole.
[0014] Compared with the prior art, the utility model discloses a polarized light device with independent, detachable and adjustable, which can greatly adjust the illumination angle and focusing distance, and realizes the application of multi-scene, universality and large-scale adjustment of focusing angle.
[0015] The utility model discloses a polarized light device with independent, detachable and adjustable, which can greatly adjust the illumination angle and focusing distance, and realizes the application of multi-scene, universality and large-scale adjustment of focusing angle.
[0016] The utility model discloses a polarized light device with independent, detachable and adjustable, which can greatly adjust the illumination angle and focusing distance, and realizes the application of multi-scene, universality and large-scale adjustment of focusing angle. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the external structure diagram of the utility model whole;
[0018] Figure 2 It is the internal structure section view of the utility model whole;
[0019] Figure 3 It is the structure diagram of the utility model upper polarized mirror assembly;
[0020] Figure 4 It is the external structure diagram of the utility model annular body support;
[0021] Figure 5 It is the structure diagram of the utility model support positioning spring piece and LED lamp assembly;
[0022] Figure 6 It is the overhead structure diagram of the utility model angle push wheel;
[0023] Figure 7 It is the structure diagram of the utility model angle push wheel and LED lamp assembly;
[0024] Figure 8 It is the structure diagram of the utility model limiting ring;
[0025] Figure 9 It is the structure diagram of the utility model angle adjusting knob;
[0026] Figure 10 This is a structural diagram of the lower polarizing lens of this utility model;
[0027] Figure 11 This is a structural diagram of the lower polarizer assembly of this utility model.
[0028] Figure label:
[0029] 1. Ring-shaped main support; 2. Angle adjustment knob; 3. Lower polarizer assembly; 4. Power cord passage hole.
[0030] 5. Mounting port, 6. LED light assembly, 7. Angle push wheel, 8. Bolt, 9. Limit ring,
[0031] 10. Ball-head plunger; 11. Lower polarizing lens; 12. Upper polarizing lens; 13. Upper polarizing lens assembly.
[0032] 14. Illumination focusing angle scale line; 15. Waist groove through hole; 16. Dovetail groove; 17. LED spotlight.
[0033] 18 Lampshade, 19 Support and positioning spring plate, 20 Arc-shaped boss, 21 Inner cavity, 22 Annular concave surface. Detailed Implementation
[0034] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0035] This embodiment discloses a ring-polarized light source with adjustable focusing angle, such as... Figure 1 As shown, it includes an annular main support 1, an upper polarizer assembly 13, a support and positioning spring plate 19, an angle push wheel 7, an angle adjustment knob 2, and a lower polarizer assembly 3. The annular main support 1 has an installation port 5 and an inner cavity 21 arranged sequentially inside. The installation port 5 is open at the top of the annular main support 1, and the inner diameter of the installation port 5 is smaller than the inner diameter of the inner cavity 21. The outer wall of the upper polarizer assembly 13 is threadedly connected to the inner wall of the installation port 5.
[0036] Mounting port 5 can be used to mount the polarizer assembly 13, and also for connecting with an optical lens. The size of mounting port 5 can be changed according to the matching optical lens.
[0037] like Figure 3As shown, the polarizing lens assembly 13 is composed of a polarizing lens 12 and a lens fixing ring, and the lens fixing ring is internally provided with a mounting step, the inner diameter of the mounting step is matched with the outer diameter of the polarizing lens 12, the polarizing lens 12 is mounted on the internal mounting step of the lens fixing ring, and the lens fixing ring is externally provided with a mounting thread which is matched with the internal thread of the mounting port 5 at the upper end of the annular main support 1.
[0038] The six support positioning spring pieces 19 are uniformly distributed on the outer periphery of the top end of the inner cavity 21, are spring pieces made of stainless steel or steel material, can still restore the vertical original state after long-term stress deformation, have an inverted L-shaped side section, and are fixedly connected with the top end of the inner cavity 21 through locking bolts at the horizontal part of the top end. The bottom end of each support positioning spring piece 19 is fixedly provided with an LED lamp assembly 6. In implementation, the number of the support positioning spring pieces 19 and the LED lamp assemblies 6 can be increased or reduced according to the diameter size of the annular main support 1 or the brightness requirement.
[0039] As shown in Figure 5 , the LED lamp assembly 6 includes a lamp bead heat sink, an LED lamp bead, an LED spotlight 17 and a lampshade 18, which are sequentially mounted from bottom to top. The lampshade 18 is fixedly connected with the inner side of the bottom end of the support positioning spring piece 19, and the LED spotlight 17 is mounted at the center of the top end of the lampshade 18.
[0040] The middle part of the inner cavity 21 is provided with an angle pushing wheel 7, as shown in Figure 6 , Figure 7 , Figure 8 As shown in , the angle pushing wheel 7 is a special-shaped circular ring structure, is matched and mounted with the inner wall of the annular main support 1, the contact position is coated with lubricating oil, and the angle pushing wheel limiting ring 9 is locked below to limit the up-and-down sliding of the angle pushing wheel 7.
[0041] Figure 6 As shown in , the angle pushing wheel 7 is internally provided with a plurality of arc-shaped bosses 20, the arc-shaped bosses 20 can apply force to push the LED lamp assembly 6 to move when rotating, the inner wall of the arc-shaped boss 20 is interference-fitted with the outer wall of the LED lamp assembly 6, the arc-shaped boss 20 extrudes the LED lamp assembly 6 to make the support positioning spring piece 19 bend inward, pushes the support positioning spring piece 19 to deform to gather or move away from the center, so as to realize the adjustment of the illumination angle and the focusing distance of the LED lamp assembly 6.
[0042] The number of arc-shaped protrusions 20 is matched with the number of LED light components 6. The height of the arc-shaped protrusions 20 can be adjusted according to the lighting angle requirements. If a large lighting angle or a short lighting focusing distance is required, the arc-shaped protrusions 20 are enlarged, and vice versa. The outer wall of the angle push wheel 7 is provided with a threaded hole for connecting with the angle adjustment knob 2.
[0043] Angle adjustment knob 2 and lower polarizer assembly 3 are sequentially fitted onto the outer wall of the lower part of the annular main support 1, as shown below. Figure 2 As shown, the outer wall of the lower part of the annular main support 1 is provided with an annular concave surface 22. The inner wall of the angle adjustment knob 2 and the lower polarizer assembly 3 is engaged with the outer wall of the annular concave surface 22. The outer wall of the angle adjustment knob 2 and the lower polarizer assembly 3 is flush with the outer wall of the upper part of the annular main support 1.
[0044] like Figure 2 and Figure 9 As shown, the angle adjustment knob 2 and the threaded hole at the bottom of the angle push wheel 7 are fixedly connected radially by bolts 8. The inner wall of the angle adjustment knob 2 is coated with damping glue, which plays a role in damping and anti-slip, and prevents the reaction force of the support positioning spring plate 19 from automatically restoring and pushing the angle push wheel 7 to slide.
[0045] like Figure 10 and Figure 11 As shown, the lower polarizer assembly 3 consists of a polarizing lens 11 and a lens holder. The lens holder has an installation step inside, and the inner diameter of the installation step matches the outer diameter of the polarizing lens 11. The inner wall of the lower polarizer assembly 3 is coated with damping adhesive and installed from bottom to top at the bottom of the annular main support 1. The damping adhesive can prevent the lower polarizer assembly 3 from sliding on its own. The inner wall of the lens holder is coated with damping adhesive and is installed from bottom to top, tightly fitting against the bottom of the annular main support 1.
[0046] like Figure 2 As shown, the lower polarizer assembly 3 has three ball-head plungers 10 running through it radially. The outer wall of the bottom of the annular main support 1 has a dovetail groove 16. The inner diameter of the mounting step of the lens holder matches the outer diameter of the dovetail groove 16. The ball-head plungers 10 have spring ball heads, so that the lower polarizer assembly 3 and the annular main support 1 are rotatably connected through the cooperation of the ball-head plungers 10 and the dovetail groove 16, which plays the role of adjusting the polarization angle.
[0047] like Figure 4 As shown, the outer wall of the annular main support 1 is engraved with a lighting focusing angle scale line 14, which can also be engraved with the lighting focusing working distance. When the angle adjustment knob 2 is rotated, the pointer on the angle adjustment knob 2 points to the scale on the outer surface of the annular main support 1, and displays the current lighting angle or lighting working distance of the lighting beads in real time.
[0048] The outer wall of the annular main body support 1 is provided with a circumferentially extending waist groove through hole 15, a bolt 8 penetrates the waist groove through hole 15 in the radial direction to connect the angle adjusting knob 2 and the angle pushing wheel 7, the waist groove through hole 15 limits the rotation angle of the angle adjusting knob 2, and prevents the angle adjusting knob 2 from rotating too much to cause the angle pushing wheel 7 to be separated from the LED lamp assembly 6.
[0049] As shown in Figure 2 and Figure 4 The upper portion of the annular main body support 1 is provided with a power line passing hole 4 penetrating in the radial direction, and the wire harness is connected with the LED lamp assembly 6 through the power line passing hole 4.
[0050] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.
Claims
1. A ring-polarized light source with adjustable focusing angle, characterized in that, The utility model provides a kind of light focusing device, including annular main body support (1), upper polarizing lens assembly (13), support positioning spring piece (19), angle push wheel (7), angle adjustment knob (2) and lower polarizing lens assembly (3), the inside of the annular main body support (1) is sequentially provided with mounting port (5) and inner cavity (21) from top to bottom, the mounting port (5) is opened at the top end of annular main body support (1), the inner diameter of mounting port (5) is less than the inner diameter of inner cavity (21), the outer wall of upper polarizing lens assembly (13) is threadedly connected with the inner wall of mounting port (5), the top of support positioning spring piece (19) is fixedly connected with the top of inner cavity (21), several support positioning spring pieces (19) are evenly distributed in the outer periphery of the top of inner cavity (21), the bottom of support positioning spring piece (19) is equipped with LED lamp assembly (6), the middle of inner cavity (21) is equipped with angle push wheel (7), the outer wall of angle push wheel (7) can rotate along the inner wall of inner cavity (21), the inner wall of angle push wheel (7) is equipped with several arc bosses (20), the inner wall of arc boss (20) is interference fit with the outer wall of LED lamp assembly (6), arc boss (20) extrudes LED lamp assembly (6) and makes support positioning spring piece (19) bend inward, angle adjustment knob (2) and lower polarizing lens assembly (3) are sequentially sleeved on the outer wall of the lower part of annular main body support (1) from top to bottom, angle adjustment knob (2) is fixedly connected with the lower part of angle push wheel (7) along radial direction by bolt (8), lower polarizing lens assembly (3) is equipped with several ball plunger (10) along radial direction, the outer wall of the bottom of annular main body support (1) is equipped with dovetail groove (16), lower polarizing lens assembly (3) is rotatably connected with annular main body support (1) by the cooperation of ball plunger (10) and dovetail groove (16), the outer wall of annular main body support (1) is engraved with illumination focusing angle scale line (14), illumination focusing angle scale line (14) is counted with the pointer on angle adjustment knob (2).
2. The adjustable focus angle ring polarized light source of claim 1, wherein, The LED lamp assembly (6) includes an LED spotlight (17) and a lampshade (18), the lampshade (18) is fixedly connected with the inner side of the bottom of the support positioning spring piece (19), and the LED spotlight (17) is installed at the center of the top of the lampshade (18).
3. The adjustable focus angle ring polarized light source of claim 1, wherein, The angle push wheel (7) is integrally formed with a limiting ring (9), and the limiting ring (9) is threadedly connected with the bottom of the inner cavity (21) to limit the upward and downward sliding of the angle push wheel (7).
4. The tunable focus angle ring polarized light source according to claim 1 or 3, wherein, The outer wall of the annular main body support (1) is provided with a circumferentially extending waist groove through hole (15), the bolt (8) penetrates the waist groove through hole (15) along the radial direction to connect the angle adjustment knob (2) and the angle push wheel (7), and the waist groove through hole (15) limits the rotation angle of the angle adjustment knob (2).
5. The adjustable focus angle ring polarized light source of claim 1, wherein, The upper polarizing lens assembly (13) includes an upper polarizing lens (12) and a lens fixing ring, the polarizing lens (12) is fixed in the lens fixing ring, and the outer wall of the lens fixing ring is threadedly connected with the inner wall of the mounting port (5).
6. The adjustable focus angle ring polarized light source of claim 1, wherein, The lower polarizing lens assembly (3) comprises a lower polarizing lens (11) and a lens fixing seat, the side section of the lens fixing seat is L-shaped, the polarizing lens (11) is installed in the lens fixing seat, and the polarizing lens (11) is located below the annular main body support (1).
7. The tunable focus angle ring polarized light source according to claim 6, wherein, The inner wall of the lens fixing seat is coated with damping glue, and the lens fixing seat is tightly fitted on the bottom of the annular main body support (1) from bottom to top.
8. The adjustable focus angle ring polarized light source of claim 1, wherein, The outer wall of the lower part of the annular main body support (1) is provided with an annular concave surface (22), and the inner wall of the angle adjusting knob (2) and the lower polarizing lens assembly (3) is matched with the outer wall of the annular concave surface (22).
9. The adjustable focus angle ring polarized light source of claim 1, wherein, The upper part of the annular main body support (1) is provided with a power line passing hole (4) penetrating in the radial direction, and a wire harness is connected with the LED lamp assembly (6) through the power line passing hole (4).