Precise two-dimensional mirror bracket

Abstract

The utility model discloses a precise two-dimensional mirror bracket which comprises a base, a mirror frame is connected to the origin of coordinates of the base in a spherical hinge mode, an annular pressing piece corresponding to a lens is fixedly connected to the side face, away from the base, of the mirror frame, fine adjustment thread pairs are arranged on the base in the X-axis direction and the Z-axis direction of the base, and the fine adjustment thread pairs are vertically perpendicular to the mirror frame in the Z-axis direction. The Z-axis fine adjustment thread pair is horizontally perpendicular to the lens frame in the X-axis direction, and angle adjustment of the lens on the X axis and the Z axis can be achieved by adjusting linear displacement of screws of the X-axis fine adjustment thread pair and the Z-axis fine adjustment thread pair.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mirror frame, specifically, relate to a precision two -dimensional mirror frame. BACKGROUND

[0002] When being used for optical testing and research work in colleges, research institutes, factories and other institutions, two -dimensional mirror frame fixed installation lens is needed, and the lens is adjusted by the mirror frame, and the mirror frame is an important part of optical scientific research instrument.

[0003] The existing two -dimensional mirror frame generally realizes the adjustment on X, Y, and is combined by switching or two separate devices when realizing X / Y, Z axis adjustment, so that the occupation space is large, the cumulative error is large, and the adjustment precision is low. SUMMARY

[0004] In view of the above technical problems in the prior art, the utility model provides a precision two -dimensional mirror frame, which has high adjustment precision, small occupation space and convenient adjustment.

[0005] To achieve the above technical purpose, the technical scheme of the utility model is as follows:

[0006] A precision two -dimensional mirror frame, including base, the base is connected with the mirror frame at its coordinate origin ball joint, the face of the mirror frame away from the base is fixedly connected with the annular pressing piece corresponding to the lens, the base is provided with X axis fine adjustment screw pair (5) and Z axis fine adjustment screw pair (6) in the direction along X axis and Z axis direction respectively, the X axis fine adjustment screw pair is vertically perpendicular to the mirror frame along the Z axis direction, the Z axis fine adjustment screw pair is horizontally perpendicular to the mirror frame along the X axis direction, and the angle adjustment of the lens on the X, Z axis can be realized by adjusting the linear displacement of the X axis fine adjustment screw pair, Z axis fine adjustment screw pair screw rod.

[0007] Further, the base is connected with the mirror frame through a first steel ball and two taper seat ball joints tangent to the first steel ball, one of the taper seats is fixedly connected to the base, and the other taper seat is fixedly connected to the mirror frame, and the first steel ball is located between the two taper seats.

[0008] Further, the X axis fine adjustment screw pair includes a screw rod and a threaded sleeve, the threaded sleeve is fixedly connected to the base along the vertical direction, and the screw rod is perpendicular to the mirror frame along the vertical direction.

[0009] Further, the front end of the X-axis fine adjustment screw pair is a flat end, the front face of the flat end is provided with a second steel ball, the base is provided with two first cylindrical pins in the direction of the X-axis fine adjustment screw pair, the second steel ball is arranged in a groove formed by the two first cylindrical pins, the part of the mirror frame in contact with the second steel ball is provided with a 45-degree inclined surface, and the 0°, 90° and 225° points of the steel ball are respectively tangent to the front end of the X-axis fine adjustment screw pair, the groove of the cylindrical pin and the 45-degree inclined surface of the mirror frame.

[0010] Further, the Z-axis fine adjustment screw pair comprises a screw rod and a screw pair bushing, the screw pair bushing is fixedly connected with the base in the horizontal direction, and the screw rod is perpendicular to the mirror frame in the horizontal direction.

[0011] Further, the Z-axis fine adjustment screw pair is a ball head, the mirror frame is embedded with a V-shaped column corresponding to the screw rod of the Z-axis fine adjustment screw pair, and the ball head part of the screw rod of the Z-axis fine adjustment screw pair is tangent to the V-shaped surface of the V-shaped column.

[0012] Further, the screw pair bushings of the X-axis fine adjustment screw pair and the Z-axis fine adjustment screw pair are provided with locking screws.

[0013] Further, the base is further provided with a plurality of tension springs in the X-axis direction and the Z-axis direction, one end of the tension spring is fixedly connected with the base, and the other end of the tension spring is fixedly connected with the mirror frame.

[0014] Further, one end of the tension spring is fixedly connected with the base through a locking screw, and the other end of the tension spring is fixedly connected with the mirror frame through a second cylindrical pin.

[0015] Further, the base is provided with a plurality of screw holes corresponding to the tension springs respectively, and the locking screw is arranged to pass through the tail end of the tension spring to fix the base.

[0016] Further, the mirror frame is provided with a plurality of elongated counterbores corresponding to the tension springs respectively, the middle of the counterbores is provided with a through hole, the diameter of the through hole is greater than the width of the counterbores, the through hole is matched with the tension spring, and the second cylindrical pin is arranged to be clamped on the counterbores after passing through the end of the tension spring.

[0017] Further, the annular pressing plate is uniformly provided with three convex points around the inner ring to press and fix the lens.

[0018] Optionally, the structure of the utility model is also applicable to a two-dimensional mirror frame in Y and Z directions.

[0019] The utility model discloses the beneficial effects of: small land space, high adjustment precision, convenient and easy adjustment, and the structure is also applicable to a two-dimensional mirror frame in Y and Z directions. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiments. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained based on these drawings without creative labor.

[0021] Fig. 1 is a front view of the precise two-dimensional mirror frame according to the embodiment of the present application;

[0022] Fig. 2 is a side view of the precise two-dimensional mirror frame according to the embodiment of the present application;

[0023] Fig. 3 is a structural schematic view of the precise two-dimensional mirror frame according to the embodiment of the present application. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.

[0025] As shown in Figs. 1-3 A precise two-dimensional mirror frame according to the embodiment of the present application comprises a base 1, the base 1 is connected with a frame 2 at its coordinate origin through a spherical hinge, a ring-shaped pressing piece 4 corresponding to a lens 3 is fixedly connected to the surface of the frame 2 away from the base 1, the base 1 is provided with a fine adjustment screw pair in the X-axis direction and the Z-axis direction, the X-axis fine adjustment screw pair 5 is vertically perpendicular to the frame 2 along the Z-axis direction, the Z-axis fine adjustment screw pair 6 is horizontally perpendicular to the frame 2 along the X-axis direction, and the angle adjustment of the lens 3 in the X-axis and the Z-axis can be realized by adjusting the linear displacement of the screw rod of the X-axis fine adjustment screw pair 5 and the Z-axis fine adjustment screw pair 6.

[0026] The base 1 is connected with the frame 2 through a first steel ball 7 and two taper seats 8 tangent to the first steel ball 7, one of the taper seats 8 is fixedly connected to the base 1, the other taper seat 8 is fixedly connected to the frame 2, and the first steel ball 7 is located between the two taper seats 8.

[0027] The base 1 is vertically placed and presents a "Z" shape in front view, the lower "L" part is provided with a mounting hole position of the entire device, the upper "7" part is provided with a boss of a circular hole for mounting the X-axis fine adjustment screw pair 5, and the middle part is a light passing circular hole in side view, and a circular hole for mounting the Z-axis fine adjustment screw pair 6 is arranged below the left of the circular hole.

[0028] The X-axis fine adjustment screw pair 5 comprises a screw rod and a screw pair bushing, the screw pair bushing is fixedly connected with the base 1 along the vertical direction, and the screw rod is perpendicular to the mirror frame 2 along the vertical direction. The front end of the X-axis fine adjustment screw pair 5 is a flat end, the front surface of the flat end is provided with a second steel ball 12, the base 1 is provided with two first cylindrical pins 13 along the direction of the X-axis fine adjustment screw pair 5, the second steel ball 12 is arranged in a groove formed by the two first cylindrical pins 13, the part of the mirror frame 2 in contact with the second steel ball 12 is provided with a 45-degree inclined surface, and the second steel ball 12 is in tangential contact with the front end of the X-axis fine adjustment screw pair 5, the groove of the first cylindrical pin 13 and the inclined surface of the mirror frame 2 at 0°, 90° and 225° points respectively.

[0029] The Z-axis fine adjustment screw pair 6 comprises a screw rod and a screw pair bushing, the screw pair bushing is fixedly connected with the base 1 along the horizontal direction, and the screw rod is perpendicular to the mirror frame 2 along the horizontal direction. The Z-axis fine adjustment screw pair 6 is a ball head, the mirror frame 2 is embedded with a V-shaped column 14 corresponding to the screw rod of the Z-axis fine adjustment screw pair 6, and the ball head part of the screw rod of the Z-axis fine adjustment screw pair 6 is tangent to the V-shaped surface of the V-shaped column 14.

[0030] The screw pair bushing of the X-axis fine adjustment screw pair 5 and the Z-axis fine adjustment screw pair 6 is provided with a boss, the cylindrical surface of the boss is provided with a cutout, the cutout is provided with a locking screw 15, the screw rod is locked, and the tail part of the screw rod is provided with a hexagonal groove, so that an internal hexagonal wrench is used for operation.

[0031] The base 1 is also provided with a plurality of tension springs 9 in the X-axis direction and the Z-axis direction, one end of the tension spring is a flat end and is fixedly connected with the base 2, and the other end of the tension spring 9 is a hook end and is fixedly connected with the mirror frame 2. The flat end of the tension spring 9 is fixedly connected with the base 1 through a locking screw 10, and the hook end is fixedly connected with the mirror frame 2 through a second cylindrical pin 11.

[0032] The base 2 is provided with a plurality of screw holes corresponding to the tension springs 9 respectively, and the locking screw 10 passes through the flat end of the tension spring 9 to fix the flat end with the base 2. The mirror frame 2 is provided with a plurality of elongated counterbores corresponding to the tension springs 9 respectively, the middle of the counterbores is provided with a through hole, the diameter of the through hole is greater than the width of the counterbores, the through hole is matched with the tension spring 9, and the second cylindrical pin 11 is arranged on the end of the tension spring 9 and is lapped on the counterbores.

[0033] The annular pressing plate 4 uniformly distributes three convex points around the inner ring to press and fix the lens 3.

[0034] The structure of the utility model is also suitable for two-dimensional mirror frames in Y and Z directions.

[0035] The fixed connection mode can adopt welding, bolt connection and other conventional technical means.

[0036] In specific use, first, the lens is fixed on the frame 3 through the annular pressing plate 4, then the X-axis fine adjustment threaded pair 5, the Z-axis fine adjustment threaded pair 6 and the locking screw 15 on the bushing are loosened, the inclination of the lens 3 is adjusted according to the forward and backward displacement of the adjusting screw, and the locking screw 15 is locked after adjustment.

[0037] In summary, by means of the above technical scheme of the utility model, the adjustment precision is high, and the control is convenient, the microswitch serves as a limit, the limiting effect is good, the precision electric mirror frame has a tension spring, and the influence of the idle return during the transmission of the nut and the screw rod can be reduced.

[0038] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A precision two-dimensional mirror frame, characterized by, The application relates to a lens frame, which comprises a base (1) connected with a mirror frame (2) through a spherical hinge at the coordinate origin of the base (1), a ring-shaped pressing piece (4) corresponding to a lens (3) is fixedly connected to the surface of the mirror frame (2) away from the base (1), X-axis fine adjustment screw pairs (5) and Z-axis fine adjustment screw pairs (6) are arranged on the base (1) along the X-axis direction and the Z-axis direction respectively, the X-axis fine adjustment screw pairs (5) are vertically perpendicular to the mirror frame (2) along the Z-axis direction, the Z-axis fine adjustment screw pairs (6) are horizontally perpendicular to the mirror frame (2) along the X-axis direction, and the angle of the lens (3) on the X-axis and the Z-axis can be adjusted by adjusting the linear displacement of the screw rods of the X-axis fine adjustment screw pairs (5) and the Z-axis fine adjustment screw pairs (6).

2. The precision two-dimensional mirror according to claim 1, wherein, The base (1) is connected with the mirror frame (2) through a first steel ball (7) and two taper seats (8) tangent to the first steel ball (7), one of the taper seats (8) is fixedly connected to the base (1), and the other taper seat (8) is fixedly connected to the mirror frame (2), and the first steel ball (7) is located between the two taper seats (8).

3. The precision two-dimensional mirror frame of claim 1, wherein, The X-axis fine adjustment screw pairs (5) comprise screw rods and screw pair bushings, the screw pair bushings are fixedly connected to the base (1) along the vertical direction, and the screw rods are vertically perpendicular to the mirror frame (2) along the vertical direction.

4. The precision two-dimensional mirror frame according to claim 1 or 3, characterized in that, The front end of the X-axis fine adjustment screw pairs (5) is a flat end, a second steel ball (12) is arranged on the front surface of the flat end, two first cylindrical pins (13) are arranged on the base (1) along the direction of the X-axis fine adjustment screw pairs (5), the second steel ball (12) is arranged in the groove formed by the two first cylindrical pins (13), the part of the mirror frame (2) in contact with the second steel ball (12) is provided with a 45-degree inclined surface, and the 0-degree, 90-degree and 225-degree points of the second steel ball (12) are tangent to the front end of the X-axis fine adjustment screw pairs (5), the groove of the first cylindrical pin (13) and the 45-degree inclined surface of the mirror frame (2) respectively.

5. The precision two-dimensional mirror frame of claim 1, wherein, The Z-axis fine adjustment screw pairs (6) comprise screw rods and screw pair bushings, the screw pair bushings are fixedly connected to the base (1) along the horizontal direction, and the screw rods are horizontally perpendicular to the mirror frame (2).

6. The precision two-dimensional mirror frame according to claim 1 or 5, characterized in that The Z-axis fine adjustment screw pairs (6) are spherical heads, a V-shaped column (14) corresponding to the screw rod of the Z-axis fine adjustment screw pairs (6) is embedded on the mirror frame (2), and the spherical head part of the screw rod of the Z-axis fine adjustment screw pairs (6) is tangent to the V-shaped surface of the V-shaped column (14).

7. The precision two-dimensional mirror frame of claim 1, wherein, Locking screws (15) are arranged on the screw pair bushings of the X-axis fine adjustment screw pairs (5) and the Z-axis fine adjustment screw pairs (6).

8. The precision two-dimensional mirror frame of claim 1, wherein, A plurality of tension springs (9) are arranged on the base (1) along the X-axis direction and the Z-axis direction respectively, one end of the tension spring (9) is fixedly connected to the base (1), and the other end of the tension spring (9) is fixedly connected to the mirror frame (2).

9. The precision two-dimensional mirror according to claim 8, wherein, One end of the tension spring (9) is fixedly connected to the base (1) through a locking screw (10), and the other end of the tension spring (9) is fixedly connected to the mirror frame (2) through a second cylindrical pin (11).

10. The precision two-dimensional mirror according to claim 9, wherein, The base (1) is provided with a plurality of screw holes corresponding to the tension springs (9) respectively, and the set screws (10) pass through the tail ends of the tension springs (9) to fix the tension springs (9) and the base (1).

11. The precision two-dimensional mirror frame of claim 9, wherein, The mirror frame (2) is provided with a plurality of elongated counterbores corresponding to the tension springs (9) respectively, and the counterbores are provided with through holes in the middle, the diameters of the through holes are greater than the widths of the counterbores, the through holes are matched with the tension springs (9), and the second cylindrical pins (11) are clamped on the counterbores after passing through the ends of the tension springs (9).

12. The precision two-dimensional mirror frame of claim 1, wherein, The annular pressing plate (4) surrounds the inner ring and is uniformly provided with three convex points to press and fix the lens (3).

Images