Bidirectional optical reflection device capable of being finely adjusted

Abstract

The utility model discloses a bidirectional optical reflection device capable of being finely adjusted, which relates to the field of optical reflection and comprises a double-sided reflector. Considering that in the prior art, the installed double-sided reflecting mirror is not easy to finely adjust, the three groups of fine adjustment screws can adjust the position of the hemispherical mirror seat so as to change the position of the double-sided reflecting mirror, and the outer cylindrical surfaces of the left end heads of the fine adjustment screws are provided with knurls and are provided with mutually vertical through holes. A user can insert a hand or a fine cylindrical deflector rod into the head hole to enable the fine adjustment screw to rotate by a small angle, the rotary motion of the fine adjustment screw is converted into axial linear motion, and the spherical surface at the right end of the fine adjustment screw pushes the hemispherical mirror base to slightly swing in the conical base, so that fine adjustment of the double-sided reflector is realized. And after being adjusted to a proper position, the double-sided reflecting mirror is locked by a locking nut arranged on the fine adjustment screw, so that the position of the double-sided reflecting mirror is fixed, and the fine adjustment of the double-sided reflecting mirror is finally realized.

Description

Technical Field

[0001] The utility model relates to the field of optical reflection, in particular to a fine-tunable bidirectional optical reflection device. Background Art

[0002] Reflector devices are indispensable equipment in the field of optical measurement technology. Generally, reflector devices are installed on the table of the instrument or equipment being measured and used in conjunction with a photoelectric autocollimator or laser interferometer. Its main function is to receive and reflect the light from the photoelectric autocollimator or laser interferometer through the reflector surface. The reflected light is received again by the photoelectric autocollimator or laser interferometer and is processed by the instrument's processing system to calculate the angle. By measuring different positions, the angle accuracy of the instrument or equipment being measured can be determined.

[0003] The purpose of the utility model is to provide a fine-tunable bidirectional optical reflection device, which adopts a high-precision double-sided reflector, which is installed in a hemispherical mirror seat, and the position of the hemispherical mirror seat is adjusted by three fine-tuning screws to change the position of the double-sided reflector, and finally the fine-tuning of the double-sided reflector is realized. The advantages are convenient adjustment, good stability, and improved measurement accuracy. Utility Model Content

[0004] The purpose of the utility model is to provide a fine-tunable bidirectional optical reflection device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fine-tunable bidirectional optical reflection device, comprising a double-sided reflector, a hemispherical mirror seat is plugged into the surface of the double-sided reflector, a pressure ring is plugged into the front of the hemispherical mirror seat, an externally threaded pressure ring is overlapped on the back of the double-sided reflector, a conical seat is plugged into the surface of the hemispherical mirror seat, the hemispherical mirror seat can swing within a certain range within an inner cone surface, a pressure cap is threadedly connected to the surface of the conical seat, three groups of threaded holes are opened on the surface of the pressure cap, and a fine-tuning mechanism is arranged inside the threaded holes.

[0006] Preferably, the fine-tuning mechanism comprises a fine-tuning screw threadedly connected to the inside of the threaded hole, and a locking nut is threadedly connected to the surface of the fine-tuning screw.

[0007] Preferably, a through hole is provided on the right side inside the conical seat to allow light to pass through, and the pressure cover is a cylindrical hollow structure to allow light to pass through, and the pressure cover is convenient for fixing the double-sided reflector.

[0008] Preferably, the right end of the fine-tuning screw is provided with a fine-pitch external thread and is screwed into the threaded hole corresponding to the pressure cover. The right end of the fine-tuning screw is a spherical structure and always rests on the surface of the hemispherical mirror seat. The hemispherical mirror seat is convenient for supporting the double-sided reflector.

[0009] Preferably, an outer cover is threadedly connected to the surface of the conical seat, and a through hole is provided at the center of the outer cover to ensure that the incident light is received by one reflecting surface of the double-sided reflector, and the outer cover is convenient for protecting internal parts.

[0010] Preferably, a base is provided at the bottom of the outer cover, and a threaded column is provided on the surface of the conical seat, and the threaded column is convenient for fixing the outer cover.

[0011] Preferably, two groups of cover threaded holes are arranged on the surface of the outer cover, and bolts are arranged inside the two groups of cover threaded holes, so as to support the outer cover.

[0012] Technical effects and advantages of the utility model:

[0013] Taking into account that it is not easy to fine-tune the installed double-sided reflector in the prior art, three groups of fine-tuning screws are provided to adjust the position of the hemispherical mirror seat and thus change the position of the double-sided reflector. The outer cylindrical surface of the left end of the fine-tuning screw head is provided with knurling and has mutually perpendicular through holes. The fine-tuning screw can be rotated by hand or with a small cylindrical lever inserted into the head hole to convert the rotational motion of the fine-tuning screw into axial linear motion. The spherical surface of the right end of the fine-tuning screw pushes the hemispherical mirror seat to make a small swing in the conical seat, thereby realizing the fine-tuning of the double-sided reflector. After adjusting to the appropriate position, it is locked with a locking nut installed on the fine-tuning screw to ensure that the position of the double-sided reflector is fixed, thereby finally realizing the fine-tuning of the double-sided reflector. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a schematic diagram of the overall structure of a finely adjustable bidirectional optical reflection device of the utility model.

[0016] Figure 2 The utility model is a schematic diagram of the structure of a fine-tuning mechanism of a fine-tuning bidirectional optical reflection device.

[0017] Figure 3 The utility model is a schematic diagram of a cover structure of a finely adjustable bidirectional optical reflection device.

[0018] Figure 4 The utility model is a schematic diagram of a double-sided reflector structure of a finely adjustable bidirectional optical reflector device.

[0019] In the figure: 1. double-sided reflecting mirror; 2. hemispherical mirror seat; 3. pressure ring; 4. external thread pressure ring; 5. conical seat; 6. pressure cover; 7. fine-tuning mechanism; 701. fine-tuning screw; 702. locking nut; 8. outer cover; 9. base; 10. threaded column; 11. bolt; 12. cover threaded hole. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] The utility model provides Figure 1-Figure 4 A fine-adjustable bidirectional optical reflection device is shown, comprising a double-sided reflecting mirror 1, a hemispherical mirror seat 2 is inserted on the surface of the double-sided reflecting mirror 1, a pressure ring 3 is inserted on the front of the hemispherical mirror seat 2, an externally threaded pressure ring 4 is overlapped on the back of the double-sided reflecting mirror 1, a conical seat 5 is inserted on the surface of the hemispherical mirror seat 2, the hemispherical mirror seat 2 can swing within a certain range within the inner cone surface, a pressure cap 6 is threadedly connected to the surface of the conical seat 5, three groups of threaded holes are opened on the surface of the pressure cap 6, and a fine-tuning mechanism 7 is arranged inside the threaded holes.

[0022] The fine-tuning mechanism 7 comprises a fine-tuning screw 701 threadedly connected to the inside of the threaded hole, and a locking nut 702 is threadedly connected to the surface of the fine-tuning screw 701 . The fine-tuning screw 701 is convenient for fine-tuning the double-sided reflector 1 .

[0023] A through hole is provided on the right side inside the conical seat 5 for letting light in. The pressure cover 6 is a cylindrical hollow structure for letting light in. The pressure cover 6 is convenient for fixing the double-sided reflector 1 .

[0024] The right end of the fine-tuning screw 701 is provided with a fine-pitch external thread and is screwed into the corresponding threaded hole of the pressure cover 6. The right end of the fine-tuning screw 701 is a spherical structure and always rests on the surface of the hemispherical mirror seat 2. The hemispherical mirror seat 2 is convenient for supporting the double-sided reflector 1.

[0025] An outer cover 8 is threadedly connected to the surface of the conical seat 5. A through hole is provided at the center of the outer cover 8 to ensure that the incident light is received by one reflecting surface of the double-sided reflector 1. The outer cover 8 is convenient for protecting internal parts.

[0026] A base 9 is provided at the bottom of the outer cover 8 , and a threaded column 10 is provided on the surface of the conical seat 5 . The threaded column 10 is convenient for fixing the outer cover 8 .

[0027] Two groups of cover threaded holes 12 are arranged on the surface of the outer cover 8 , and bolts 11 are arranged inside the two groups of cover threaded holes 12 . The bolts 11 are convenient for supporting the outer cover 8 .

[0028] Working principle: The outer cylindrical surface of the left end of the head of the fine-tuning screw 701 is knurled and has perpendicular through holes. The fine-tuning screw 701 can be rotated by hand or with a small cylindrical lever inserted into the head hole to convert the rotational motion of the fine-tuning screw 701 into axial linear motion. The spherical surface of the right end of the fine-tuning screw 701 pushes the hemispherical mirror seat 2 to make a small swing in the conical seat 5, thereby achieving fine-tuning of the double-sided reflector 1. After adjusting to the appropriate position, it is locked with the locking nut 702 installed on the fine-tuning screw 701 to ensure that the position of the double-sided reflector 1 is fixed.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A finely adjustable bidirectional optical reflection device, comprising a double-sided reflector (1), characterized in that: The surface of the double-sided reflector (1) is plugged with a hemispherical mirror seat (2), the front of the hemispherical mirror seat (2) is plugged with a pressure ring (3), the back of the double-sided reflector (1) is overlapped with an external threaded pressure ring (4), the surface of the hemispherical mirror seat (2) is plugged with a conical seat (5), the hemispherical mirror seat (2) can swing within a certain range within the inner conical surface, the surface of the conical seat (5) is threadedly connected with a pressure cap (6), the surface of the pressure cap (6) is provided with three groups of threaded holes, and the inside of the threaded holes is provided with a fine adjustment mechanism (7).

2. A finely adjustable bidirectional optical reflection device according to claim 1, characterized in that: The fine-tuning mechanism (7) comprises a fine-tuning screw (701) threadedly connected to the inside of a threaded hole, and a locking nut (702) is threadedly connected to the surface of the fine-tuning screw (701).

3. The finely adjustable bidirectional optical reflection device according to claim 1, characterized in that: The right side of the interior of the conical seat (5) is provided with a through hole through which light can pass, and the pressure cover (6) is a cylindrical hollow structure through which light can pass.

4. The finely adjustable bidirectional optical reflection device according to claim 2, characterized in that: The right end of the fine-tuning screw (701) is provided with a pressure cap (6) via a fine-pitch external thread, and the right end of the fine-tuning screw (701) is fitted onto the surface of the hemispherical mirror seat (2).

5. The finely adjustable bidirectional optical reflection device according to claim 1, characterized in that: An outer cover (8) is threadedly connected to the surface of the conical seat (5), and a through hole is provided at the center of the outer cover (8), which can ensure that the incident light is received by one reflection surface of the double-sided reflector (1).

6. The finely adjustable bidirectional optical reflection device according to claim 5, characterized in that: A base (9) is provided at the bottom of the outer cover (8), and a threaded column (10) is provided on the surface of the conical seat (5).

7. The finely adjustable bidirectional optical reflection device according to claim 5, characterized in that: Two groups of cover threaded holes (12) are provided on the surface of the outer cover (8), and bolts (11) are provided inside the two groups of cover threaded holes (12).

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