CN104597578A - Centering universal regulating mechanism for optical element - Google Patents

Abstract

An optical element centering universal adjustment mechanism, mainly including: optical element, pressure ring, inner ring, inner ring bearing, inner ring flexible cylinder, inner ring handwheel, inner ring small locking ring, inner ring large locking ring , inner ring tapered pressure ring, outer ring, outer ring small locking ring, outer ring large locking ring, outer ring tapered pressure ring, outer ring flexible cylinder, outer ring bearing, outer ring bearing pressure ring, base, inner Ring bearing cover, inner ring bearing pressure ring, inner ring major axis, inner ring minor axis. The invention has two mutually perpendicular rotating shafts, both of which can be rotated 360°, and the rotations do not interfere with each other, and the universal adjustment of the optical element can be realized, and both of them pass through the reflection center of the optical element. For the incident light whose incident point is at the center of the optical element , only the angle of the reflected light is changed during adjustment, and the position of the reflection point is not changed; the structure is simple, the operation is convenient, and it can be widely used in the optical-mechanical structure that needs to turn the light path.

Description

Optical element centering universal adjustment mechanism

technical field

The invention relates to an optical element adjustment mechanism, in particular to a universal adjustment mechanism in which two rotation directions do not interfere with each other, can be independently adjusted and locked, and the rotation center of the adjustment mechanism coincides with the reflection center of the optical element.

Background technique

In the optical-mechanical structure design, especially when it involves turning the optical path, it is necessary to place an optical element with reflection or catadioptric function at the turning point of the optical path, and complete the turning of the optical path by adjusting its angle.

At present, in the process of adjusting the angle of the optical element, the form of the adjustment frame usually selected is: fix a support point, and complete the adjustment of the optical element by adjusting the push and pull of the screw and the elastic element (such as a spring) in two vertical directions. Two-dimensional angle adjustment, such as patented optical adjustment mount (patent number ZL02264580.2), integral two-dimensional optical adjustment mount (authorized announcement number CN102073117B), two-dimensional angle adjustment mount (application number 2014102265098).

The disadvantages of this structure are: 1. There are no fixed rotation axes for the adjustment of the two directions of the adjustment frame, which causes the rotations in the two directions to interfere with each other and cannot be adjusted separately; 2. The fixed rotation point of the universal adjustment mechanism is not in the reflection of the optical element On the surface, the position of the center of the reflective surface changes during adjustment, and the angle and position of the reflected light change at the same time, which deviates from the established route; 3. The angle adjustment range is small, and it is only suitable for optical paths that require small angle fine-tuning.

Contents of the invention

In order to overcome the above-mentioned shortcomings in the prior art, the present invention provides a universal adjustment mechanism in which the two rotation directions do not interfere with each other, can be independently adjusted and locked, and the rotation center of the adjustment mechanism coincides with the reflection center of the optical element.

Technical solution of the present invention is as follows:

A centering universal adjustment mechanism for an optical element, characterized in that it includes: an optical element, a pressure ring, a circular inner ring, a first inner ring bearing, a second inner ring bearing, an inner ring flexible cylinder, and an inner ring handwheel , inner ring small lock ring, inner ring large lock ring, inner ring conical pressure ring, U-shaped outer ring, outer ring small lock ring, outer ring large lock ring, outer ring conical pressure ring, outer ring Ring flexible cylinder, outer ring bearing, outer ring bearing pressure ring, base, inner ring bearing cover with boss, inner ring bearing pressure ring, inner ring long shaft and inner ring short shaft;

The short shaft of the inner ring is installed on the short shaft bearing mounting seat with one end opening of the outer ring through the first inner ring bearing, and the bearing cover of the inner ring is connected with the short shaft bearing of the outer ring The mounting seat is fixedly connected, and simultaneously compresses the outer diameter of the first inner ring bearing;

The long axis of the inner ring is installed on the long axis bearing mounting seat of the other end of the outer ring through the second inner ring bearing, and the flexible cylinder of the inner ring is connected to the long axis of the outer ring. The bearing mounting seat is fixedly connected, and transitionally fits with the long axis of the inner ring, and at the same time compresses the outer diameter of the second inner ring bearing, and the tapered pressure ring of the inner ring cooperates with the tapered surface of the flexible cylinder of the inner ring , the large locking ring of the inner ring and the small locking ring of the inner ring are sequentially threaded on the end of the flexible tube of the inner ring, and the hand wheel of the inner ring is fixedly connected to the long axis of the inner ring outer end;

The optical element is fixed in the inner ring through the pressure ring, and the symmetry of the inner ring is respectively connected with the short axis of the inner ring and the long axis of the inner ring to ensure that the short axis of the inner ring and the inner ring The rotation axis of the long axis of the ring is on the reflective surface of the optical element and passes through the reflection center point O;

The bottom of the outer ring is provided with an outer ring stepped rotating shaft, the outer ring flexible sleeve is sleeved outside the outer ring stepped rotating shaft, and the two are transitionally fitted, and the outer ring tapered pressure ring and the outer ring flexible The tapered surface of the cylinder is matched, the large locking ring of the outer ring and the small locking ring of the outer ring are threadedly connected with the flexible cylinder of the outer ring in turn, and the stepped rotating shaft of the outer ring is fixedly connected with the base through the bearing of the outer ring, so that The rotation axis of the outer ring step, that is, the Y2 axis, passes through the reflective central point O on the reflective surface of the optical element.

The inner ring is a circular ring, and a stepped hole is provided inside the ring for the installation of the optical element, and the opposite parts of the circumference of the inner ring are respectively provided with concave holes for the installation of the major axis of the inner ring and the minor axis of the inner ring. groove.

The short axis of the inner ring has a stepped shaft connecting the first inner ring bearing; the long axis of the inner ring has a stepped shaft connecting the second inner ring bearing and the inner ring flexible cylinder.

The outer ring is a U-shaped ring, the U-shaped inner diameter is larger than the outer diameter of the inner ring, and the two ends of the U-shaped opening are respectively provided with a short-axis bearing mounting seat for the inner ring and a long-axis bearing mounting seat for the inner ring. The bottom of the type is provided with an outer ring stepped rotating shaft connecting the outer ring bearing and the outer ring flexible cylinder.

The inner ring flexible cylinder includes a threaded locking cylinder with external threads, a conical cylinder, a connecting plate and a boss connected in sequence, and the threaded locking cylinder and the conical cylinder are provided with a plurality of axial opening grooves , the inner diameter of the central through hole shrinks or enlarges with the compression and relaxation of the opening groove, the outer conical surface of the conical cylinder and the inner conical surface of the inner ring conical pressure ring have the same angle and size, both Cone fit.

The base is fixed on the optical platform or other supporting bases in any direction.

After ideal installation, the two shafts of the inner and outer rings are perpendicular to each other, and the optical element can be rotated at any angle through the 360° rotation of the two shafts. In order to avoid the occlusion of the base, by changing the connection position of the base, the incident light of any angle can be received.

Working principle of the present invention:

Two-dimensional adjustment method: the two rotating shafts of the universal adjustment mechanism of the present invention are perpendicular to each other, one shaft is connected to the inner ring and rotates through the bearing embedded in the outer ring; the other shaft is connected to the outer ring and The bearing on the base rotates; both axes can rotate 360°, and the rotation does not interfere with each other, which can realize the universal adjustment of optical components. The rotation centerlines of the two rotation axes of the universal adjustment mechanism are on the reflective surface of the optical element, so that the center of the reflective surface is fixed. For the incident light whose incident point is at the center of the optical element, only the angle of the reflected light is changed during adjustment, and the reflection is not changed. point location.

Locking method: connect the inner ring to the outer ring respectively through the flexible element with axial opening, and the outer ring is connected to the base, tighten the locking ring, press the conical pressure ring into the outer conical surface of the flexible element, Make it tighten to achieve the effect of locking.

Compared with prior art, positive effect of the present invention:

In the present invention, the two-dimensional rotating shafts of the universal adjustment mechanism are independent, so that the rotations in two directions of the optical element do not interfere with each other, and can be adjusted and locked separately. The rotation centerlines of the two rotation axes of the universal adjustment mechanism are on the reflective surface of the optical element, so that the center of the reflective surface is fixed. For the incident light whose incident point is at the center of the optical element, only the angle of the reflected light is changed during adjustment, and the reflection is not changed. point location. The two-dimensional rotating shaft rotates 360° through the bearing, which can realize the universal adjustment of optical components, and the rotation does not interfere with each other. By changing the connection position of the base, it can receive incident light from any angle. The two axes are respectively equipped with locking mechanisms, which can fix the optical components at any position. The universal adjustment mechanism of the present invention is simple in structure and convenient in operation, and can be widely used in optical-mechanical structures that require turning optical paths.

Description of drawings

Fig. 1 is a perspective view of an optical element centering universal adjustment mechanism of the present invention;

Fig. 2 is a cross-sectional view of the optical element centering universal adjustment mechanism of the present invention, wherein I is a partial enlarged cross-sectional view of the short-axis fixing method of the inner ring of the present invention; II is a partial enlarged cross-sectional view of the long-axis locking module of the inner ring of the present invention ; III is a partially enlarged sectional view of the outer ring locking module of the present invention;

Fig. 3 is a three-dimensional view of the inner ring of the present invention;

Fig. 4 is the short-axis perspective view of the inner ring of the present invention;

Fig. 5 is a long-axis perspective view of the inner ring of the present invention;

Fig. 6 is a sectional view of the outer ring rotating shaft of the present invention;

Fig. 7 is a perspective view of the inner ring flexible cylinder of the present invention;

Fig. 8 is a three-dimensional view of the inner tapered pressure ring of the present invention;

Fig. 9 is a three-dimensional view of the large locking ring of the inner ring of the present invention;

Fig. 10 is a cross-sectional view along the X-axis direction of the optical element centering universal adjustment mechanism of the present invention;

Fig. 11 is a cross-sectional view along the Y-axis direction of the optical element centering universal adjustment mechanism of the present invention;

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention should not be limited thereby.

As shown in Figures 1-2, an optical element centering universal adjustment mechanism includes: optical element 1, pressure ring 2, inner ring 3, first inner ring bearing 4-1, second inner ring bearing 4- 2. Inner ring flexible cylinder 5, inner ring hand wheel 6, inner ring small locking ring 7, inner ring large locking ring 8, inner ring tapered pressure ring 9, outer ring 10, outer ring small locking ring 11, Outer ring large locking ring 12, outer ring tapered pressure ring 13, outer ring flexible cylinder 14, outer ring bearing 15, outer ring bearing pressure ring 16, base 17, inner ring bearing cover 18, inner ring bearing pressure ring 19, The major axis 20 of the inner ring and the minor axis 21 of the inner ring.

As shown in Figure 3, the inner ring 3 is a circular ring, and the interior of the circular ring is provided with a light-passing stepped hole for installing the optical element 1, and the circular ring includes a matching surface 3-3 of the reflective surface of the optical element in contact with the reflective surface of the optical element 1. , the outer diameter matching hole 3-4 of the optical element in contact with the outer diameter of the optical element 1, and the threaded hole 3-5 threadedly matched with the pressure ring 2. The inner ring 3 has two mutually perpendicular symmetry axes _X1 and _Y1 on the optical element reflective surface mating surface 3-3, and the intersection point _O1 is the distance between the ring on the optical element reflective surface mating surface 3-3. Rotation center point. Both ends of the _X1 axis are provided with a minor axis connection groove 3-1 and a major axis connection groove 3-2 respectively.

As shown in FIG. 4 , the short inner ring shaft 21 is composed of an inner ring short shaft connecting plate 21 - 1 and an inner ring short shaft stepped shaft 21 - 2 .

As shown in FIG. 5 , the inner ring major axis 20 is composed of an inner ring major axis connecting plate 20 - 1 and an inner ring major axis stepped shaft 20 - 2 .

As shown in FIG. 6 , the outer ring 10 is a U-shaped ring, and its U-shaped inner diameter is larger than the outer diameter of the inner ring 3 . Both ends of the opening of the U-shaped ring are respectively provided with an inner ring minor axis bearing mounting seat 10-2 and an inner ring major axis bearing mounting seat 10-3. The central axis of the inner ring minor axis bearing mounting seat 10-2 is coaxial with the central axis of the inner ring major axis bearing mounting seat 10-3, which is the X ₂ axis. The bottom of the U-shaped ring is provided with an outer ring stepped rotating shaft 10-1. The rotation axis of the outer ring stepped rotation axis 10 - 1 is the Y ₂ axis, and the intersection with the X ₂ axis on the same plane and perpendicular to each other is O ₂ .

As shown in Figure 7, the outer cylinder of the inner ring flexible cylinder 5 is composed of four parts connected in sequence, the first part is a threaded locking cylinder 5-2 with external threads; the second part, that is, the outer cylindrical surface is a conical The conical cylinder 5-3 on the surface; the third part is the connecting plate 5-4, which is used to fix the inner ring flexible cylinder 5; the fourth part is the boss 5-5, which is used to compress the outer diameter of the inner ring bearing . The threaded locking cylinder 5-2 and the tapered cylinder 5-3 are provided with a plurality of axial opening grooves 5-1, and the inner ring flexible cylinder 5 has a central through hole 5-6, the size of the inner diameter of which is With the compression and relaxation of the opening groove 5-1, it can be reduced or enlarged.

The structure of the outer ring flexible tube 14 is the same as that of the inner ring flexible tube 5 . The outer ring flexible cylinder 14 has a plurality of axial opening grooves, and the outer cylinder includes a threaded locking cylinder, a tapered cylinder, a connecting plate, and an outer ring bearing pressing boss.

As shown in Figure 8, the inner conical surface 9-1 of the inner ring conical pressure ring 9 is consistent with the outer conical surface angle and size of the conical tube 5-3 of the inner ring flexible tube 5, and the two can be conical. Face to face. The extruded surface is the upper end surface 9-2 of the cone.

The structure of the outer conical pressure ring 13 is the same as that of the inner conical pressure ring 9 . The angle and size of the inner conical surface of the outer ring conical pressure ring 13 and the outer conical surface of the outer ring flexible cylinder 13 are consistent in angle and size, and the two can be matched with the conical surface.

As shown in FIG. 9 , the large locking ring 8 of the inner ring is provided with a boss 8 - 1 for pressing the conical pressure ring 9 of the inner ring. The inside of the inner ring large locking ring 8 has an internal thread 8-2, and the internal thread 8-2 is consistent with the thread size of the thread locking cylinder 5-2 of the inner ring flexible cylinder 5, and the outer circumference of the inner ring large locking ring 8 The edge is distributed with a plurality of anti-skid grooves 8-3.

The structure of the outer large locking ring 12 is the same as that of the inner large locking ring 8 . The large locking ring 12 of the outer ring has a boss for pressing the tapered pressure ring 13 of the outer ring, the internal thread is consistent with the thread size of the threaded locking tube of the flexible tube 14 of the outer ring, and the outer diameter has an anti-slip groove.

As shown in Figures 1-11, the assembly relationship of the optical element centering universal adjustment mechanism is:

The first inner ring bearing 4-1 is packed into the inner ring short shaft bearing mount 10-2 at one end of the outer ring 10U-shaped opening, and the second inner ring bearing 4-2 is packed into the inner ring length at the other end of the outer ring 10U-shaped opening. On the shaft bearing mount 10-3.

One end of the short shaft 21 of the inner ring with the stepped shaft 21-2 passes through the first inner ring bearing 4-1 mounted on the short shaft bearing mount 10-2 of the outer ring 10 from inside to outside. The inner ring bearing pressure ring 19 is screwed on the threaded shaft at the end of the inner ring short shaft stepped shaft 21-2, and compresses the inner diameter of the first inner ring bearing 4-1. The inner ring bearing cap 18 with the boss adopts universal connection mode to be fixed at the inner ring short shaft bearing mounting seat 10-2, and the boss at its end presses the outer diameter of the first inner ring bearing 4-1 simultaneously.

One end of the inner ring major shaft 20 with the stepped shaft 20-2 passes through the second inner ring bearing 4-2 mounted on the outer ring 10 major shaft bearing mount 10-3 from inside to outside. The central through hole 5-6 of the inner ring flexible cylinder 5 is transitionally fitted with the outer diameter of the inner ring long axis stepped shaft 20-2, and the connecting plate 5-4 of the inner ring flexible cylinder 5 is fixed to the inner ring long axis bearing by a universal connection method At the mounting seat 10-3, the inner ring bearing compresses the boss 5-5 to compress the outer diameter of the second inner ring bearing 4-2.

The rotating shafts of the above-mentioned inner ring minor axis 21 and inner ring major axis 20 are coaxial with the central axes of the inner ring minor axis bearing mounting seat 10-2 and the inner ring major axis bearing mounting seat 10-3 respectively, that is, the _X2 axis.

The inner conical surface 9-1 of the inner ring conical pressure ring 9 is installed on the conical cylinder 5-3 of the inner ring flexible cylinder 5, and the two conical surfaces cooperate. The large locking ring 8 of the inner ring is screwed on the threaded locking cylinder 5-2 of the flexible tube 5 of the inner ring through the internal thread 8-2, and the boss 8-1 of the large locking ring 8 of the inner ring is close to the conical pressure of the inner ring. The conical upper end face 9-2 of the circle 9. The small locking ring 7 of the inner ring with internal threads is screwed on the threaded locking tube 5-2 of the flexible tube 5 of the inner ring, and placed above the large locking ring 8 of the inner ring. The inner ring hand wheel 6 is fixed on the end hand wheel shaft 20-4 of the inner ring long axis 20 in a universal connection.

The optical element 1 is installed in the inner ring 3, the outer diameter of the optical element 1 is matched with the optical element outer diameter matching hole 3-4 in the inner ring 3, and the reflective surface 1-1 of the optical element 1 is matched with the optical element in the inner ring 3 The matching surface 3-3 of the reflective surface contacts, and the pressure ring 2 is screwed into the threaded hole 3-5 on the inner ring 3 to compress the optical element 1.

The minor axis connecting groove 3-1 of the inner ring 3 is connected with the connecting plate 21-1 of the minor axis 21 of the inner ring, and the major axis connecting groove 3-2 is connected with the connecting plate 20-1 of the major axis 20 of the inner ring. When installing, ensure that the symmetry axis X1 on the matching surface 3-3 of the optical element reflection surface in the inner ring 3 coincides with the rotation axis _X2 of the minor axis 21 of the inner ring and the major axis ₂₀ of the inner ring, collectively referred to as the X axis.

The inner conical surface of the outer ring conical pressure ring 13 is installed on the conical cylinder of the outer ring flexible cylinder 14, and the two conical surfaces cooperate. The large locking ring 12 of the outer ring is screwed on the threaded locking tube of the flexible tube 14 of the outer ring through an internal thread, and the boss of the large locking ring 12 of the outer ring is close to the conical upper end surface of the conical pressure ring 13 of the outer ring. The small locking ring 11 of the outer ring with internal thread is screwed on the threaded locking tube of the flexible tube 14 of the outer ring, and placed above the large locking ring 12 of the outer ring. The outer ring flexible cylinder 14 equipped with the outer ring tapered pressure ring 13, the outer ring large locking ring 12, and the outer ring small locking ring 11 is installed on the outer ring stepped rotating shaft 10-1 of the outer ring 10, and the outer ring flexible tube The central through hole of 14 is in transition fit with the outer ring stepped rotating shaft 10-1.

The outer ring stepped rotating shaft 10 - 1 equipped with the outer ring flexible cylinder 14 and the above-mentioned other parts is fixedly connected with the base 17 through the outer ring bearing 15 . The outer ring bearing pressure ring 16 is screwed on the threaded shaft at the end of the outer ring stepped rotating shaft to compress the inner diameter of the outer ring bearing 15 . The connecting plate of the outer ring flexible cylinder 14 is fixed on the base 17 in a universal connection mode, and the outer ring bearing of the outer ring flexible cylinder 14 presses the boss to compress the outer diameter of the outer ring bearing 15 . In an ideal installation, the rotation axis Y ₂ of the stepped rotating shaft 10-1 of the outer ring passes through the center point O ₁ on the matching surface 3-3 of the reflective surface of the optical element, and the intersection point O ₂ of the X ₂ axis and the Y ₂ axis on the outer ring 10 and The intersection point _O1 of the _X1 axis and the _Y1 axis on the inner ring 3 coincides, which is the reflection center point O on the reflection surface 1-1 of the optical element 1 .

In the following, in conjunction with an embodiment, the process of using the optical element centering universal adjustment mechanism will be described in detail:

First, put the optical element 1 into the inner ring 3, the reflective surface 1-1 of the optical element 1 is in contact with the matching surface 3-3 of the optical element reflective surface in the inner ring 3, and the optical element 1 is compressed by screwing the pressure ring 2 .

Secondly, the base 17 of the optical element centering universal adjustment mechanism is fixed, and the base 17 can be fixed on the optical platform or other positions horizontally, vertically or in any direction as required (for example, limited by the angle of incident light).

Then, loosen the small locking ring 7 of the inner ring and the large locking ring 8 of the inner ring, and turn the handwheel 6 of the inner ring to make the optical element 1 rotate 360° around the X axis; loosen the small locking ring 11 of the outer ring, the outer Ring the large locking ring 12, and rotate the outer ring 10 to make the optical element 1 rotate 360° around the _Y2 axis. During the adjustment process, the position of the reflection center point O remains unchanged. For the incident light whose incident point is at the center of the optical element, only the angle of the reflected light is changed during adjustment, and the position of the reflection point is not changed.

Finally, after adjusting the position of the optical element 1, the X and Y _axes can be locked. Screw the large locking ring 8 of the inner ring, and the boss 8-1 squeezes the conical upper end surface 9-2 of the conical pressure ring 9 of the inner ring, so that the conical pressure ring 9 of the inner ring is along the tapered cylinder of the flexible cylinder 5 of the inner ring 5-3 slides, at this time the axial opening groove 5-1 of the inner ring flexible cylinder 5 is clamped, so that the inner ring flexible cylinder 5 and the long axis bearing shaft outer diameter 20-3 of the inner ring 3 have no relative rotation, and Locking function: screw the small locking ring 7 of the inner ring and press the end face of the large locking ring 8 of the inner ring to play the role of locking and preventing loosening of the inner ring. Screw the large locking ring 12 of the outer ring, and the boss squeezes the conical upper end surface of the outer ring conical pressure ring 13, so that the outer ring conical pressure ring 13 slides along the conical cylinder of the outer ring flexible cylinder 14. At this time, the outer ring is flexible. The axial opening groove of the cylinder 14 is clamped, so that the outer ring flexible cylinder 14 and the locking shaft outer diameter 10-1-4 of the outer ring 10 do not rotate relative to each other, and play a locking role; screw the outer ring to lock The ring 11 is pressed on the end face of the large locking ring 12 of the inner ring to play the role of locking and preventing loosening of the outer ring.

The optical element centering universal adjustment mechanism of the present invention provides a universal adjustment mechanism in which the two rotation directions do not interfere with each other, can be independently adjusted and locked, and the rotation center of the adjustment mechanism coincides with the reflection center of the optical element.

Claims (6)

1. an optical element centering Universal adjusting mechanism, it is characterized in that, comprise: optical element (1), trim ring (2), circular inner ring (3), first inner ring bearing (4-1), second inner ring bearing (4-2), inner ring flexible sleeve (5), inner ring handwheel (6), the little clamp ring of inner ring (7), the large clamp ring of inner ring (8), inner ring taper trim ring (9), U-shaped outer shroud (10), the little clamp ring of outer shroud (11), the large clamp ring of outer shroud (12), outer shroud taper trim ring (13), outer shroud flexible sleeve (14), outer collar bearing (15), outer collar bearing trim ring (16), base (17), there is the inner ring bearing cap (18) of boss, inner axle bearing ring (19), inner ring major axis (20) and inner ring minor axis (21),

Described inner ring minor axis (21) is arranged on the minor axis bearing mounting base (10-2) of described outer shroud (10) one end open by the first described inner ring bearing (4-1), described inner ring bearing cap (18) is fixedly connected with the minor axis bearing mounting base (10-2) of described outer shroud (10), compresses the external diameter of the first described inner ring bearing (4-1) simultaneously;

Described inner ring major axis (20) is arranged on the major axis bearing mounting base (10-3) of described outer shroud (10) other end opening by the second described inner ring bearing (4-2), described inner ring flexible sleeve (5) is fixedly connected with the major axis bearing mounting base (10-3) of described outer shroud (10), and with described inner ring major axis (20) transition fit, compress the external diameter of the second described inner ring bearing (4-2) simultaneously, described inner ring taper trim ring (9) and inner ring flexible sleeve (5) cone match, the large clamp ring of described inner ring (8) and the little clamp ring of inner ring (7) are threaded in the end of described inner ring flexible sleeve (5) successively, described inner ring handwheel (6) is fixedly connected on the outer end of described inner ring major axis (20),

By described trim ring (2), described optical element (1) is fixed in described inner ring (3), the symmetry place of this inner ring (3) is connected with inner ring major axis (20) with described inner ring minor axis (21) respectively, ensures that inner ring minor axis (21) and the rotation axis (X-axis) of inner ring major axis (20) are on the reflecting surface of optical element (1) and by reflection kernel point O;

Outer shroud ladder rotating shaft (10-1) is provided with in the bottom of described outer shroud (10), described outer shroud flexible sleeve (14) is enclosed within this outer shroud ladder rotating shaft (10-1) outward, and the two transition fit, described outer shroud taper trim ring (13) and outer shroud flexible sleeve (14) cone match, the large clamp ring of described outer shroud (12) is threaded with outer shroud flexible sleeve (14) successively with the little clamp ring of outer shroud (11), described outer shroud ladder rotating shaft (10-1) is fixedly connected with described base (17) by outer collar bearing (15), make outer shroud ladder rotating shaft (10-1) i.e. Y ₂axle is by the reflection kernel point O on the reflecting surface of described optical element (1).

2. optical element centering Universal adjusting mechanism according to claim 1, it is characterized in that, described inner ring (3) is annulus, annulus inside is provided with shoulder hole, install for described optical element (1), the circumference opposite position of inner ring (3) is respectively equipped with the groove installed for described inner ring major axis (20) and inner ring minor axis (21).

3. optical element centering Universal adjusting mechanism according to claim 1, is characterized in that, with the multidiameter of connection first inner ring bearing (4-1) on described inner ring minor axis (21); With the multidiameter of connection second inner ring bearing (4-2) and inner ring flexible sleeve (5) on described inner ring major axis (20).

4. optical element centering Universal adjusting mechanism according to claim 1, it is characterized in that, described outer shroud (10) is U-shaped ring, its U-shaped internal diameter is greater than the external diameter of described inner ring (3), U-shaped opening two ends are respectively equipped with inner ring minor axis bearing mounting base (10-2) and inner ring major axis bearing mounting base (10-3), and U-shaped bottom is provided with the outer shroud ladder rotating shaft (10-1) connecting outer collar bearing (15) and outer shroud flexible sleeve (14).

5. optical element centering Universal adjusting mechanism according to claim 1, it is characterized in that, described inner ring flexible sleeve (5) comprise connect successively there is externally threaded screw-threaded coupling cylinder (5-2), conically shaped (5-3), web joint (5-4) and boss (5-5), described screw-threaded coupling cylinder (5-2) and conically shaped (5-3) are provided with multiple shaft orientation opening groove (5-1), the internal diameter of described central through hole (5-6) with open slot (5-1) compression with loosen situation and reduce or amplify, the outer conical surface of described conically shaped (5-3) and internal conical surface (9-1) angle of inner ring taper trim ring (9) and consistent size, the two cone match.

6. optical element centering Universal adjusting mechanism according to claim 1, it is characterized in that, described base (17) any direction is fixed on optical table or other supporting seats.