Metallographic microscope polarized light source

Abstract

The utility model discloses a metallographic microscope polarized light source which comprises a base, a microscope body is installed on the rear portion of the top wall of the base, an objective table is installed on the inner wall of the microscope body, a light source frame is installed on the top wall of the base through a rotating assembly, and a polarized light source body is installed on the inner wall of the light source frame. The utility model relates to the technical field of metallographic microscopes. According to the polarized light source of the metallographic microscope, the control rod drives the first micro motor to drive the small gear, the large gear, the rotating shaft and the U-shaped frame to rotate, the U-shaped frame drives the light source frame and the polarized light source body to start to rotate slowly, and when the polarized light source needs to incline forwards, the control rod controls the second micro motor located on the rear portion to work; according to the polarized light source, the light source frame and the polarized light source body can be adjusted in four directions, different illumination requirements can be met, the polarized light source has comprehensive applicability during use, the light source lens does not need to be touched by hands during adjustment, and adjustment is convenient and accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of metallographic microscopes, in particular to a polarized light source for a metallographic microscope. Background Art

[0002] The metallographic microscope system organically combines the traditional optical microscope with the computer (digital camera) through photoelectric conversion. It can not only perform microscopic observation on the eyepiece, but also observe real-time dynamic images on the computer (digital camera) display screen. The computer metallographic microscope can also edit, save and print the required pictures.

[0003] The patent number CN202221399179.9 discloses a polarized light source switching device for a microscope, including a microscope body and a polarized light source adjustment lens, the outer side of the microscope body is rotatably connected with a connecting shaft and an adjustment shaft, one end of the connecting shaft is movably connected to the outer side of the polarized light source adjustment lens after penetrating the microscope body, the outer wall of the connecting shaft close to the adjustment shaft is fixedly sleeved with a first fixed block and a second fixed block from the inside to the outside, the outer wall of the connecting shaft is located on both sides of the second fixed block and is threadedly sleeved with threaded sleeves, the butt joint surfaces of the threaded sleeves on both sides are respectively movably connected with a first large toothed disc and a first small toothed disc, and the outer side of the adjustment shaft is fixedly connected with a second small toothed disc and a second large toothed disc at both sides of the second fixed block. The utility model adjusts the angle of the connecting shaft and the outer polarized light source adjustment lens through the adjustment shaft, avoids accidental contact with the lens surface to cause pollution and affect the effect of subsequent light source adjustment and switching, and the angle adjustment is more accurate.

[0004] The above device has certain deficiencies when used: the above device can adjust the front and rear flip angles of the light source, but the left and right angles of the light source cannot be adjusted, so there are still deficiencies when switching the angle adjustment of the light source.

[0005] Therefore, the utility model provides a polarized light source for a metallographic microscope to solve the above problems. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a polarized light source for a metallographic microscope, which solves the above problems.

[0007] To achieve the above purpose, the utility model is implemented by the following technical solutions: a polarized light source for a metallographic microscope, comprising a base, a microscope body is installed at the rear of the top wall of the base, a stage is installed on the inner wall of the microscope body, a light source frame is installed on the top wall of the base through a rotating assembly, and a polarized light source body is installed on the inner wall of the light source frame;

[0008] The rotating assembly includes two mounting seats, which are symmetrically arranged front to back. A rotating shaft is installed on one adjacent side of the two mounting seats through a bearing seat, and an adjacent end of the rotating shaft is fixedly connected to a U-shaped frame. A large gear is fixedly connected to the outer wall of the rotating shaft at the rear, and a micro motor 1 is fixedly connected to the rear wall of the mounting seat at the rear. The power shaft of the micro motor 1 passes through the corresponding mounting seat through a bearing and is fixedly connected to a small gear. Mounting grooves are provided on the front and rear walls of the U-shaped frame, and an adjusting screw rod is rotatably connected to the inner wall of the mounting groove. A sliding block is screwed on the outer wall of the adjusting screw rod, and a micro motor 2 is installed on the front and rear parts of the top wall of the U-shaped frame. A U-shaped connecting frame is fixedly connected to one adjacent side of the sliding block, and a connecting hinge is rotatably connected to the inner wall of the U-shaped connecting frame, and a fixed seat is installed on one adjacent side of the connecting hinge.

[0009] Through the above technical solution, the setting of the rotating component has different lighting needs when using the microscope body, so the light source body and the light source frame can be adjusted in four directions through the rotating component. The overall adjustment process is simple and convenient and has good applicability.

[0010] Furthermore, the polarized light source body is located directly below the glass slide on the stage, the two mounting seats are arranged symmetrically front to back, and the bottom walls of the two mounting seats are fixedly connected to the top wall of the base.

[0011] Through the above technical solution, the polarized light source body is located directly below the glass slide on the stage to illuminate the sample on the glass slide.

[0012] Furthermore, the light source frame and the polarized light source body are located in the inner wall of the U-shaped frame, the small gear is meshed with the large gear, and the outer walls of the sliding blocks are slidably connected with the inner walls of the corresponding installation grooves.

[0013] Through the above technical solution, the small gear drives the large gear to rotate slowly when rotating, and then drives the rotating shaft to rotate.

[0014] Furthermore, the power shaft of the second micro motor passes through the U-shaped frame and is fixedly connected to the corresponding adjusting screw rod via a bearing.

[0015] Through the above technical solution, the micro motor 2 works through the built-in power supply of the microscope body to drive the adjusting screw to rotate.

[0016] Furthermore, one adjacent side of the fixing seat is fixedly connected to the outer wall of the light source frame, and a level is installed on the right wall of the light source frame.

[0017] Through the above technical solution, a level is installed on the right wall of the light source frame, and the horizontal state of the light source frame can be checked through the level.

[0018] Furthermore, a control rod is installed on the right side of the front part of the top wall of the base, and the control rod is connected to the micro motor 1, the micro motor 2 and the telecommunication.

[0019] Through the above technical solution, the control rod is mainly used to control the micro motor 1 and the micro motor 2 to work.

[0020] Beneficial Effects

[0021] The utility model provides a polarized light source for a metallographic microscope. Compared with the prior art, it has the following advantages:

[0022] Beneficial effects:

[0023] (1) The polarized light source of the metallographic microscope is driven by a control rod to drive a micro motor 1 to drive a small gear, a large gear, a rotating shaft, and a U-shaped frame to rotate. The U-shaped frame drives the light source frame and the polarized light source body to start to rotate slowly. When it is necessary to tilt forward, the control rod controls a micro motor 2 located at the rear to work. The micro motor 2 drives the adjusting screw to rotate. The adjusting screw drives the sliding block to move upward along the outer wall of the adjusting screw in the inner wall of the installation groove, and drives the U-shaped connecting frame, the connecting hinge and the fixing seat to move upward. The fixing seat drives the light source frame and the rear part of the polarized light source body to rise, and then the polarized light source body can be adjusted to tilt forward. On the contrary, the working process is opposite, so that when the microscope body is in use, the light source frame and the polarized light source body can be adjusted in four directions to meet different lighting needs. It has comprehensive applicability when in use, and there is no need to touch the light source lens with hands when adjusting, so the adjustment is convenient and accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is the front view of the external structure of the utility model;

[0025] Figure 2 It is a left view of the external structure of the utility model;

[0026] Figure 3 It is a top view of the internal structure of the rotating assembly of the utility model;

[0027] Figure 4 It is an exploded view of the internal structure of the rotating assembly of the utility model.

[0028] In the figure, 1 is the base; 2 is the control lever; 3 is the microscope body; 4 is the stage; 5 is the light source frame; 6 is the rotating assembly; 61 is the mounting seat; 62 is the rotating shaft; 63 is the U-shaped frame; 64 is the connecting hinge; 65 is the fixing seat; 66 is the U-shaped connecting frame; 67 is the large gear; 68 is the small gear; 69 is the second micro motor; 610 is the adjusting screw; 611 is the sliding block; 612 is the mounting slot; 613 is the first micro motor; 7 is the polarized light source body; 8 is the level. DETAILED DESCRIPTION

[0029] 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 in 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.

[0030] Embodiment 1:

[0031] See also Figure 1-4 A polarized light source for a metallographic microscope comprises a base 1, a microscope body 3 is mounted on the rear of the top wall of the base 1, a stage 4 is mounted on the inner wall of the microscope body 3, a light source frame 5 is mounted on the top wall of the base 1 through a rotating component 6, and a polarized light source body 7 is mounted on the inner wall of the light source frame 5;

[0032] The rotating assembly 6 includes two mounting seats 61, which are symmetrically arranged front and back. A rotating shaft 62 is installed on the adjacent side of the two mounting seats 61 through a bearing seat, and an adjacent end of the rotating shaft 62 is fixedly connected to a U-shaped frame 63. A large gear 67 is fixedly connected to the outer wall of the rotating shaft 62 at the rear, and a micro motor 1 613 is fixedly connected to the rear wall of the mounting seat 61 at the rear. The power shaft of the micro motor 1 613 passes through the corresponding mounting seat 61 through a bearing and is fixedly connected to a small gear 68. The front and rear walls of the U-shaped frame 63 are provided with mounting grooves 612, and the inner walls of the mounting grooves 612 are rotatably connected to an adjusting screw rod 610, and the outer walls of the adjusting screw rod 610 are screwed and installed with a sliding block 611, and the front and rear parts of the top wall of the U-shaped frame 63 are installed with a micro motor 2 69, and a U-shaped connecting frame 66 is fixedly connected to the adjacent side of the sliding block 611, and the inner wall of the U-shaped connecting frame 66 is rotatably connected to a connecting hinge 64, and a fixed seat 65 is installed on the adjacent side of the connecting hinge 64.

[0033] In the embodiment of the utility model, the purpose of this arrangement is that the setting of the rotating component 6 can adjust the light source frame 5 and the polarized light source body 7 in four directions, which can meet different lighting needs, so that when using the microscope body 3, there is better work assistance, and it is more convenient to observe the sample on the stage 4. The overall adjustment method is simple and convenient for the staff to use.

[0034] Embodiment 2:

[0035] See also Figure 1-4, this embodiment provides a technical solution based on the first embodiment: the polarized light source body 7 is located directly below the slide on the stage 4, the two mounting seats 61 are arranged symmetrically front and back, the bottom walls of the two mounting seats 61 are fixedly connected to the top wall of the base 1, the light source frame 5 and the polarized light source body 7 are located in the inner wall of the U-shaped frame 63, the small gear 68 is meshed with the large gear 67, the outer walls of the sliding block 611 are slidably connected to the inner walls of the corresponding mounting grooves 612, the power shaft of the second micro motor 69 passes through the U-shaped frame 63 through the bearing and is fixedly connected to the corresponding adjusting screw 610, the adjacent side of the fixed seat 65 is fixedly connected to the outer wall of the light source frame 5, the right wall of the light source frame 5 is installed with a level 8, the front right side of the top wall of the base 1 is installed with a control rod 2, the control rod 2 is connected with the micro motor 1 613, the micro motor 2 69 and the telecommunication;

[0036] In the embodiment of the utility model, the purpose of this arrangement is that the small gear 68 is meshedly connected with the large gear 67, and the transmission ratio therebetween is 10:1. The small gear 68 drives the large gear 67 to rotate slowly during the rotation process. At the same time, a spirit level 8 is installed on the right wall of the light source frame 5. When there is no need to adjust the angle of the light source frame 5, the spirit level 8 can be used to observe the horizontal state of the light source frame 5 and the polarized light source body 7.

[0037] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0038] When working, first connect the built-in power supply of the microscope body 3 to the micro motor 1 613 and the micro motor 2 69. When using the sample on the observation stage 4 of the microscope body 3, when it is necessary to change the illumination position of the light source, the micro motor 1 613 can be driven by operating the control lever 2 to drive the small gear 68 to rotate. When the small gear 68 rotates, it drives the large gear 67 meshing with it to rotate. The transmission ratio of the large gear 67 to the small gear 68 is 1:10. When the large gear 67 rotates, it drives the rotating shaft 62 to rotate, and then the rotating shaft 62 drives the U-shaped frame 63 to rotate when it rotates. When the U-shaped frame 63 rotates, it drives the light source frame 5 and the polarized light source body 7 to start to rotate slowly. The light source frame 5 and the polarized light source body 7 can be adjusted to the left or right according to the needs. When the adjustment is completed, the front and rear elevation angles of the light source frame 5 and the polarized light source body 7 can be adjusted. When it is necessary to tilt forward, the micro motor 2 69 located at the rear is controlled by the control lever 2 to work. When the power shaft of the micro motor 2 69 rotates, it drives the adjustment screw 61 0 rotates, when the adjusting screw rod 610 rotates, it drives the sliding block 611 to move linearly along the outer wall of the adjusting screw rod 610 in the inner wall of the mounting groove 612, and when the sliding block 611 moves upward, it drives the U-shaped connecting frame 66, the connecting hinge 64 and the fixing seat 65 to move upward, and the fixing seat 65 drives the rear part of the light source frame 5 and the polarized light source body 7 to rise, so that the polarized light source body 7 can be adjusted to tilt forward. If it is necessary to adjust the light source frame 5 and the polarized light source body 7 to tilt backward, the working process is to control the position of the control lever 2. The micro motor 2 69 at the front works, and the power shaft of the micro motor 2 69 drives the adjusting screw 610 to rotate when it rotates. When the adjusting screw 610 rotates, it drives the sliding block 611 to move linearly along the outer wall of the adjusting screw 610 in the inner wall of the mounting groove 612. When the sliding block 611 moves downward, it drives the U-shaped connecting frame 66, the connecting hinge 64 and the fixing seat 65 to move downward, and the fixing seat 65 drives the light source frame 5 and the front of the polarized light source body 7 to rise, so that the polarized light source body 7 can be adjusted to tilt backward.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A polarized light source for a metallographic microscope, comprising a base (1), characterized in that: A microscope body (3) is installed on the rear part of the top wall of the base (1), a stage (4) is installed on the inner wall of the microscope body (3), a light source frame (5) is installed on the top wall of the base (1) via a rotating assembly (6), and a polarized light source body (7) is installed on the inner wall of the light source frame (5); The rotating assembly (6) comprises two mounting seats (61), the two mounting seats (61) are arranged symmetrically in front and back, a rotating shaft (62) is installed on the adjacent side of the two mounting seats (61) through a bearing seat, an adjacent end of the rotating shaft (62) is fixedly connected to a U-shaped frame (63), a large gear (67) is fixedly connected to the outer wall of the rotating shaft (62) at the rear, a micro motor (613) is fixedly connected to the rear wall of the mounting seat (61) at the rear, and a power shaft of the micro motor (613) is fixedly connected to a small gear (68) through a bearing penetrating the corresponding mounting seat (61), The front and rear walls of the U-shaped frame (63) are both provided with mounting grooves (612), the inner walls of the mounting grooves (612) are rotatably connected with adjusting screw rods (610), the outer walls of the adjusting screw rods (610) are both threadedly mounted with sliding blocks (611), the front and rear parts of the top wall of the U-shaped frame (63) are both mounted with micro motors 2 (69), one side adjacent to the sliding block (611) is fixedly connected with a U-shaped connecting frame (66), the inner walls of the U-shaped connecting frame (66) are rotatably connected with connecting hinges (64), and one side adjacent to the connecting hinges (64) is mounted with a fixing seat (65).

2. A polarized light source for a metallographic microscope according to claim 1, characterized in that: The polarized light source body (7) is located directly below the glass slide on the stage (4), the two mounting seats (61) are symmetrically arranged front and back, and the bottom walls of the two mounting seats (61) are fixedly connected to the top wall of the base (1).

3. A polarized light source for a metallographic microscope according to claim 1, characterized in that: The light source frame (5) and the polarized light source body (7) are located in the inner wall of the U-shaped frame (63), the small gear (68) is meshedly connected with the large gear (67), and the outer wall of the sliding block (611) is slidably connected with the inner wall of the corresponding installation groove (612).

4. A polarized light source for a metallographic microscope according to claim 1, characterized in that: The power shaft of the second micro motor (69) passes through the U-shaped frame (63) via a bearing and is fixedly connected to the corresponding adjusting screw rod (610).

5. The polarized light source for a metallographic microscope according to claim 1, characterized in that: One side adjacent to the fixing seat (65) is fixedly connected to the outer wall of the light source frame (5), and a level (8) is installed on the right wall of the light source frame (5).

6. The polarized light source for a metallographic microscope according to claim 1, characterized in that: A control rod (2) is installed on the right side of the front top wall of the base (1), and the control rod (2) is connected to micro motor 1 (613), micro motor 2 (69) and telecommunication.

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