CN212933110U - Centering three-degree-of-freedom adjusting mirror frame capable of meeting environmental suitability test - Google Patents

Abstract

The utility model provides a centering three-freedom-degree adjusting mirror bracket capable of meeting environmental suitability tests, which comprises an orientation adjusting seat, wherein the edge surface of the orientation adjusting seat is in a gear shape, the bottom of the orientation adjusting seat is provided with a centering shaft, and an arc-shaped long hole which takes the centering shaft as the center of a circle is arranged on the orientation adjusting seat; and the adjusting gear is meshed with the gear-shaped side surface of the azimuth adjusting seat, and the azimuth adjusting seat is pushed to move along the arc-shaped long hole by rotating the adjusting gear, taking the centering shaft as the center of a circle. The utility model discloses a centering three degrees of freedom adjustment mirror holder can realize the lens rotation, pitch, the adjustment of the three degree of freedom in position, and the adjustment mutual independence of three degrees of freedom, does not take place the coupling linkage, remains the lens center unchanged throughout in the three degrees of freedom adjustment process.

Description

Centering three-degree-of-freedom adjusting mirror frame capable of meeting environmental suitability test

Technical Field

The utility model relates to an optics debugging technical field especially relates to a can satisfy experimental three degree of freedom adjustment mirror holders of centering of environmental suitability.

Background

In the debugging of the optical paths of various optical systems, due to uncertainty of the optical paths in the designing and debugging processes and processing errors of the lens structure, the position fixing and the like generated in the processing process of the lens, the lens is inevitably required to be adjusted in real time when the optical paths are accurately adjusted, and the real-time adjustment mainly comprises adjustment of three degrees of freedom of rotation, pitching and azimuth.

Currently, in optical systems, the lens is typically mounted to a frame. However, the prior art frames generally have the following problems: for example, some lens frames do not have any adjusting mechanism, and if the position after installation cannot meet the requirement, the optical path needs to be adjusted by adjusting the whole lens frame, for example, when the pitch direction is adjusted, the copper foils with different thicknesses are added at the bottom of the whole lens frame to adjust the tilt of the lens frame so as to adjust the tilt. For example, some frames are composed of a fixed plate, a movable plate with lenses, and steel balls, springs and screws which are connected to the movable plate and arranged on the same diameter circumference, wherein the steel balls are used for supporting, the springs are used for tensioning, and the screws are used for carrying out orientation adjustment on the movable plate relative to the fixed plate. The adjusting range of the spectacle frame is small, the product replaceability is poor, the central position point of the lens can deviate, the three degrees of freedom are linked and cannot be controlled independently, the structural environment adaptability of the combination of the spring and the screw rod is poor, and the elastic element can generate uncontrollable position deviation under the vibration condition; under high and low temperature conditions, the magnitude of the force generated by the elastic element changes, thereby causing a change in position.

Disclosure of Invention

In order to solve the problems, the utility model provides a centering three-freedom-degree adjusting mirror bracket which can satisfy the environmental suitability test, can ensure that the adjustment of three degrees of freedom of rotation, pitching and direction is mutually independent, and does not generate coupling linkage; and the center of the lens is always kept unchanged in the three-degree-of-freedom adjustment process.

In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:

a three degree of freedom adjustment mirror holder of centering that can satisfy environmental suitability test, wherein:

the side surface of the azimuth adjusting seat is in a gear shape, the bottom of the azimuth adjusting seat is provided with a centering shaft, and an arc-shaped long hole which takes the centering shaft as the center of a circle is arranged on the centering shaft;

the adjusting gear is meshed with the gear-shaped side surface of the azimuth adjusting seat, and the azimuth adjusting seat is pushed to move along the arc-shaped long hole by rotating the adjusting gear with the centering shaft as the center of a circle;

the vertical mounting seat is vertically connected to the upper surface of the orientation adjusting seat and is provided with a groove;

the pitching adjusting seat is provided with two adjusting shafts, the adjusting shafts are positioned in the grooves, and the pitching adjusting seat and the vertical mounting seat are connected through two round-head cap bolts penetrating through the pitching adjusting seat and the vertical mounting seat;

the lens is rotatably connected in the pitching adjusting seat, and the center of the lens is coincided with the rotating shaft;

the connecting line between the two adjusting shafts passes through the center of the lens, and the central axis of the centering shaft passes through the center of the lens.

Further, a connecting line between the two adjusting shafts is parallel to the vertical mounting seat, and a connecting line between the two round-head cap bolts is perpendicular to the vertical mounting seat and passes through the center of the lens.

Furthermore, the round-head-cap bolt comprises a bolt head, a bolt column and a round head cap, wherein the bolt head is connected with the bolt column, and the round head cap is rotatably sleeved on the bolt column in a penetrating manner.

Further, be provided with round hole and the post hole that are linked together in the pitching adjustment seat, the round hole with the button head cap phase-match, perpendicular mount pad is provided with bolt post hole, the button head cap is located in the round hole, the bolt post wear in proper order in the post hole and in the bolt post hole.

Further, the mounting plate is further included, a centering shaft hole matched with the centering shaft is formed in the mounting plate, and the centering shaft is located in the centering shaft hole.

Furthermore, the mounting plate is also provided with a mounting hole, and a connecting bolt penetrates through the arc-shaped long hole and the mounting hole to connect the position adjusting seat with the mounting plate.

Further, still including connecting rod and the rotary rod that is connected, the connecting rod connect in on the mounting panel, the connecting rod both ends are provided with the hexagonal boss, the adjustment gear center is provided with the hexagonal recess, be provided with the hexagonal sleeve on the rotary rod, the hexagonal boss at connecting rod both ends respectively rotary connection in the hexagonal recess and in the hexagonal sleeve.

Further, still include the adjustment mirror holder, the lens install in the adjustment mirror holder, the adjustment mirror holder swivelling joint in the pitch adjustment seat, the center of lens with the rotation axis coincidence of adjustment mirror holder.

Further, the adjustment mirror holder includes installation department and connecting portion, the installation department is used for the installation the lens, connecting portion connect in pitch adjustment seat.

Furthermore, an adjusting hole and a placing hole are further formed in the pitching adjusting seat, the adjusting hole is communicated with the placing hole, the connecting portion is connected into the placing hole, and a jackscrew penetrates through the adjusting hole to prop against the connecting portion.

The utility model discloses a can satisfy experimental centering three degrees of freedom adjustment mirror holders of environmental suitability have following beneficial effect:

1. the utility model can realize the adjustment of three degrees of freedom of the rotation, pitching and orientation of the lens; the adjustment of the three degrees of freedom of rotation, pitching and azimuth can be ensured to be mutually independent without coupling linkage, and the center of the lens is always kept unchanged in the three degrees of freedom adjustment process.

2. The utility model discloses, the rotatory adjustment of lens: the lens is arranged on the adjusting mirror frame, the jackscrew clamps the adjusting mirror frame from two sides, and when the jackscrew is unscrewed, the adjusting mirror frame is rotated, so that the lens is rotated and adjusted; when the jackscrew is screwed down, the spectacle frame is adjusted by clamping the top, so that the rotationally adjusted lens is fixed; the design is exquisite, convenient operation, and it is convenient to adjust, and is fixed reliable.

3. The utility model discloses, the rotatory adjustment of lens: the rotation axis of the lens is coincident with the center of the lens, so that the center of the lens is always unchanged when the lens rotates around the rotation axis.

4. The utility model discloses, the lens is pitched and is adjusted: the back of the pitching adjusting seat is provided with two adjusting shafts, the vertical mounting seat is provided with a groove matched with the vertical mounting seat, the two adjusting shafts are accommodated, the adjusting shafts are matched with the groove, a pitching rotating support shaft in pitching adjustment is formed, and pitching adjustment is flexible and reliable. In addition, pass through two round head cap bolts and look up pitch adjustment seat, perpendicular mount pad, connect both, then when looking up the pitch adjustment: one of the round head cap bolts is loosened, the other round head cap bolt is tightened, the pitching adjusting seat can be finely adjusted to enable the pitching adjusting seat to incline, and after a proper angle is reached, the loosened round head cap bolt is tightened, so that the pitching adjusting at the required angle can be conveniently and quickly completed and the pitching adjusting and the fixing can be realized.

5. The utility model discloses, the lens is pitched and is adjusted: the connecting line between the two adjusting shafts passes through the center of the lens, and the formed rotary fulcrum shaft for pitching adjustment is always superposed with the center of the lens, so that the center of the lens is always unchanged when the pitching adjustment is carried out.

6. The utility model discloses, the round head cap in the round head cap bolt is for having the hemisphere type of sphere, and the round hole phase-match in pitching the adjustment seat. In the lens adjustment process of pitching, when the button head cap bolt was screwed up, the sphere of button head cap can be all the time with the round hole in the adjustment seat of pitching of hugging closely of face contact mode, guarantees that the lens is pitched and is adjusted the back, to the support butt that the adjustment seat of pitching is stable. In addition, the button head cap rotates to wear to overlap on the bolt post, when pitching the adjustment seat and pitching, the touching button head cap is rotatory and remove along the bolt post to guarantee that the screwing up of button head cap bolt is fixed, and do not have the contained angle with the stationary plane, keep fixed stability.

7. The utility model discloses, lens position adjustment: the lens azimuth adjusting seat has gear-shaped edge surface, centering shaft in the bottom, arc slot with the centering shaft as the center, regulating gear meshed with the gear-shaped edge surface of the azimuth adjusting seat, and rotating the regulating gear to push the azimuth adjusting seat to move along the arc slot with the centering shaft as the center to complete the azimuth adjustment of the lens.

8. The utility model discloses, lens position adjustment: the central axis of the centering shaft passes through the center of the lens, and the movement of the orientation adjusting seat with the centering shaft as the center of a circle is equivalent to the movement with the center of the lens as the center of a circle, so that the center of the lens is always unchanged in the orientation adjusting process.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive work.

Fig. 1 is a schematic structural view of a centering three-degree-of-freedom adjusting mirror holder according to an embodiment of the present invention;

fig. 2 is an exploded view of a centering three-degree-of-freedom adjusting mirror holder according to an embodiment of the present invention;

fig. 3 is a schematic structural view of the vertical mounting seat, the pitching adjusting seat and the adjusting frame according to the embodiment of the present invention;

fig. 4 is a schematic structural view of a round-head-cap bolt according to an embodiment of the present invention;

fig. 5 is a schematic view of a connection structure between the round-head bolt and the pitching adjustment seat and the vertical mounting seat of the embodiment of the present invention.

Fig. 6 is a top view of the centering three-degree-of-freedom adjusting mirror holder according to the embodiment of the present invention.

Description of reference numerals:

1-an orientation adjusting seat; 11-a centering shaft; 12-arc long hole; 2-adjusting the gear; 3-vertical mounting base; 31-a groove; 32-bolt hole; 4-pitching adjusting seat; 41-adjusting shaft; 42-round head cap bolt; 421-bolt head; 422-bolt column; 423-round head cap; 43-round hole; 44-an adjustment hole; 45-arranging holes; 46-column pore; 5-a lens; 6, mounting a plate; 61-a centering shaft hole; 62-mounting holes; 63-connecting bolts; 7-a connecting rod; 71-hexagonal boss; 8-rotating rod; 81-hexagonal sleeve; 9-adjusting the frame, 91-installing part; 92-a connecting portion; 93-top thread.

Detailed Description

For better understanding of the purpose, structure and function of the present invention, the following description, with reference to the accompanying drawings, will make further detailed description of the centering three-degree-of-freedom adjusting mirror holder of the present invention, which can satisfy the environmental suitability test.

As shown in fig. 1 to 6, a centering three-degree-of-freedom adjusting spectacle frame capable of meeting environmental suitability tests includes an orientation adjusting seat 1, an adjusting gear 2, a vertical mounting seat 3, a pitching adjusting seat 4, a lens 5, a mounting plate 6, a connecting rod 7, a rotating rod 8, an adjusting spectacle frame 9, and the like.

The pitch adjustment seat 4 mainly plays two roles. On one hand, the installation and rotation of the lens 5 are realized by matching with the adjustment of the lens frame 9; and on the other hand, the pitching adjustment of the lens 5 is realized by matching with the vertical mounting seat 3.

Further, the installation and rotation of the lens 5 by the tilt adjustment base 4 in cooperation with the adjustment frame 9 are realized by the following structure and arrangement. Specifically, the lens 5 is rotatably connected to the tilt adjustment base 4, and the center of the lens 5 coincides with the rotation axis. The center of the lens 5 is always constant when the lens 5 rotates on the rotation axis.

Further, the lens 5 is mounted in the adjusting frame 9, the adjusting frame 9 is rotatably connected to the tilt adjusting base 4, and the center of the lens 5 coincides with the rotation axis of the adjusting frame 9. In practice, the adjustment frame 9 is rotated to effect rotation of the lens 5 in the tilt adjustment base 4.

Further, the adjustment frame 9 includes a mounting portion 91 for mounting the lens 5 and a connecting portion 92, wherein the connecting portion 92 is connected to the tilt adjustment base 4.

Further, the rotation and fixation of the adjustment frame 9 on the tilt adjustment base 4 are achieved by: the pitching adjustment seat 4 is further provided with an adjustment hole 44 and a placement hole 45, the adjustment hole 44 is communicated with the placement hole 45, the connecting part 92 is connected in the placement hole 45, and the jackscrew 93 penetrates through the adjustment hole 44 and abuts against the connecting part 92.

Further, the specific operation steps of the pitching adjusting seat 4 in cooperation with the adjusting frame 9 to realize the installation and rotation of the lens 5 are as follows: firstly, the jackscrew 93 for fixing the connecting part 92 of the adjusting spectacle frame 9 is unscrewed, the adjusting spectacle frame 9 is rotated to a proper rotation angle, and then the jackscrew 93 is screwed down to clamp the connecting part 92 of the adjusting spectacle frame 9, so that the lenses 5 are fixed in a rotating manner.

Further, the tilt adjustment base 4 adjusts the tilt of the lens 5 in cooperation with the vertical mount base 3, and is configured and arranged as follows. Specifically, the pitch adjustment base 4 is provided with two adjustment shafts 41, and a connecting line between the two adjustment shafts 41 passes through the center of the lens 5, where the adjustment shafts 41 serve as a pitch rotation fulcrum. The adjusting shaft 41 passing through the center of the lens 5 is used as a pitching rotation fulcrum, so that the center of the lens 5 is always unchanged during the pitching adjustment.

Further, in order to snap-fit receive the adjusting shaft 41, a groove 31 is provided on the vertical mounting base 3, and the adjusting shaft 41 is located in the groove 31.

Furthermore, the pitching stabilization adjustment of the pitching adjustment base 4 and the fixation after the adjustment are realized by connecting the pitching adjustment base 4 and the vertical mounting base 3 through two round-head cap bolts 42.

Further, a line between the two knob bolts 42 is perpendicular to the vertical mount 3, and passes through the center of the lens 5, and a line between the two adjustment shafts 41 is parallel to the vertical mount 3. That is, the connecting line between the two knob bolts 42 is longitudinally arranged, and the connecting line between the two adjusting shafts 41 is perpendicular to the connecting line between the two knob bolts 42 and is transversely arranged.

Further, the round head cap bolt 42 for connecting the pitching adjustment seat 4 and the vertical mounting seat 3 is specially designed, that is, the round head cap bolt 42 comprises a bolt head 421, a bolt column 422 and a round head cap 423 in a hemispherical shape, the bolt head 421 is connected with the bolt column 422, and the round head cap 423 is rotatably sleeved on the bolt column 422 and can move along the bolt column 422.

Further, the round head cap bolt 42 is connected in the following manner: be provided with round hole 43 and the post hole 46 that are linked together in pitching adjusting seat 4, round hole 43 and button head 423 phase-match, perpendicular mount pad 3 is provided with bolt post hole 32, and button head 423 is located round hole 43, and bolt post 422 wears in post hole 46 and bolt post hole 32 in proper order, and can be according to actual need, designs the radius of button head 423 to satisfy the adjustment of each 5 degrees of every single move.

Further, the pitching adjustment seat 4 cooperates with the vertical installation seat 3 to realize that the pitching adjustment of the lens 5 is specifically adjusted as follows: unscrew one of them button head cap bolt 42, screw up another button head cap bolt 42, finely tune and look up bow adjustment seat 4 and make it incline upward, reach suitable angle after, screw up more pine button head cap bolt 42, convenient and fast's the every single move adjustment and the fixing of the required angle of completion.

Further, the specific connection mode and the specific operation steps of pitching adjustment of the round head bolt 42 are combined to obtain: after lens 5 pitch adjustment, the inclined plane of round head cap 423 can be hugged closely the slope inner wall of round hole 43, guarantees lens 5 and pitches adjustment back, supports the stability of connecting to pitching adjustment seat 4. In addition, the round head cap 423 is rotatably sleeved on the bolt column 422, and in the pitching process of the pitching adjusting seat, the touch round head cap 423 rotates to keep fixed stability.

Further, attached to the lower end of the vertical mount 3 is the orientation adjusting base 1, i.e., the vertical mount 3 is attached vertically to the upper surface of the orientation adjusting base 1. The side surface of the orientation adjusting seat 1 is in a gear shape, the bottom of the orientation adjusting seat is provided with a centering shaft 11, and an arc-shaped long hole 12 taking the centering shaft 11 as a circle center is arranged on the centering shaft.

Furthermore, an adjusting gear 2 is arranged and meshed with a gear-shaped edge surface of the orientation adjusting seat 1, the orientation adjusting seat 1 can be pushed to move along the arc-shaped long hole 12 by rotating the adjusting gear 2 with the centering shaft 11 as a circle center, the orientation adjustment of the orientation adjusting seat 1 is realized, and the maximum adjustment amount of 90 degrees can be realized by the orientation adjustment.

Further, the central axis of the centering shaft 11 passes through the center of the lens 5. Then, the movement of the orientation adjusting base 1 around the centering shaft 11 is equivalent to the movement around the center of the lens 5, so that the center of the lens 5 is always unchanged during the orientation adjustment process.

Furthermore, the position limiting and the fixing after the position adjustment of the position adjusting seat 1 are realized by matching with the mounting plate 6. Specifically, the mounting plate 6 is provided with a centering shaft hole 61 matched with the centering shaft 11, and the centering shaft 11 is located in the centering shaft hole 61.

Furthermore, the mounting plate 6 is further provided with a mounting hole 62, and a connecting bolt 63 passes through the arc-shaped long hole 12 and the mounting hole 62 to connect the azimuth adjusting base 1 and the mounting plate 6.

Further, the rotation of the adjustment gear 2 is realized by the link 7 and the rotating lever 8. Specifically, the connecting rod 7 is connected with the rotating rod 8, the connecting rod 7 is connected to the mounting plate 6, and the adjusting gear 2 is sleeved on the connecting rod 7. More specifically, hexagonal bosses 71 are disposed at two ends of the connecting rod 7, a hexagonal groove is disposed at the center of the adjusting gear 2, a hexagonal sleeve 81 is disposed on the rotating rod 8, and the hexagonal bosses 71 at two ends of the connecting rod 7 are respectively rotatably connected in the hexagonal groove and the hexagonal sleeve 81. The adjusting gear 2 is rotated by matching the connecting rod 7 and the rotating rod 8, so that labor is saved and convenience is realized.

Further, the specific operation steps of driving the azimuth adjusting seat 1 through the adjusting gear 2 to adjust the azimuth are as follows: firstly, the connecting bolt 63 for fixing the position adjusting seat 1 is loosened, the connecting rod 7 is driven to rotate by rotating the rotating rod 8, then the adjusting gear 2 is driven to rotate, the position adjusting seat 1 is driven to move by the rotation of the adjusting gear 2 until the position adjusting seat 1 reaches a required position, and then the connecting bolt 63 is screwed down to complete the position adjustment.

In general, the utility model can realize the adjustment of three degrees of freedom of the rotation, pitch and azimuth of the lens 5; the adjustment of the three degrees of freedom of rotation, pitching and azimuth can be ensured to be mutually independent without coupling linkage, and the center of the lens 5 is always kept unchanged in the adjustment process of the three degrees of freedom. Furthermore, the utility model provides a fixed reliable and stable after three degree of freedom adjustment, accessible medium vibration impact test. The adjusting mirror bracket structure has no temperature sensitive mechanisms such as springs and the like, and has better temperature adaptability.

The following describes the working process of the centering three-degree-of-freedom adjusting mirror bracket of the present invention, which can satisfy the environmental suitability test, with reference to the accompanying drawings:

rotation adjustment: the jackscrew 93 is unscrewed, the adjusting mirror bracket 9 is rotated to a proper rotation angle, and then the jackscrew 93 is screwed down to tightly clamp the adjusting mirror bracket 9, so that the rotation adjustment of the lens 5 is realized.

Pitching adjustment: one of the round-head cap bolts 42 is loosened, the other round-head cap bolt 42 is tightened, the pitching adjusting seat 4 is finely adjusted to deflect, and after a proper angle is reached, the loosened round-head cap bolt 42 is tightened to achieve pitching adjustment.

Orientation adjustment: the connecting bolt 63 is loosened, the rotating rod 8 is rotated to drive the connecting rod 7 to rotate, then the adjusting gear 2 is driven to rotate, the adjusting gear 2 rotates to drive the position adjusting seat 1 to move to a required position, and then the connecting bolt 63 is screwed down to complete the position adjustment.

The present invention is further described below with reference to specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention, and various modifications made to the following embodiments by those skilled in the art upon reading the present specification are within the scope of the present invention.

Claims (10)

1. The utility model provides a can satisfy experimental centering three degrees of freedom adjustment mirror holders of environmental suitability which characterized in that includes:

the azimuth adjusting seat (1) is provided with a gear-shaped edge surface, a centering shaft (11) is arranged at the bottom, and an arc-shaped long hole (12) taking the centering shaft (11) as the center of a circle is arranged on the centering shaft;

the adjusting gear (2) is meshed with the gear-shaped side surface of the azimuth adjusting seat (1), and the azimuth adjusting seat (1) is pushed to move along the arc-shaped long hole (12) by rotating the adjusting gear (2) with the centering shaft (11) as the center of a circle;

the vertical mounting seat (3) is vertically connected to the upper surface of the orientation adjusting seat (1), and a groove (31) is formed in the vertical mounting seat;

the pitching adjusting seat (4) is provided with two adjusting shafts (41), the adjusting shafts (41) are positioned in the grooves (31), and two round-head-cap bolts (42) penetrate through the pitching adjusting seat (4) and the vertical mounting seat (3) to connect the pitching adjusting seat and the vertical mounting seat;

the lens (5) is rotatably connected in the pitching adjusting seat (4), and the center of the lens (5) is coincided with the rotating shaft;

the connecting line between the two adjusting shafts (41) passes through the center of the lens (5), and the central axis of the centering shaft (11) passes through the center of the lens (5).

2. The frame for adjusting three degrees of freedom with centering function for environmental suitability test according to claim 1, wherein the line between the two adjusting shafts (41) is parallel to the vertical mounting base (3), and the line between the two cap bolts (42) is perpendicular to the vertical mounting base (3) and passes through the center of the lens (5).

3. The frame for adjusting three degrees of freedom in centering according to claim 2, wherein the circular head cap bolt (42) comprises a bolt head (421), a bolt column (422) and a circular head cap (423), the bolt head (421) is connected with the bolt column (422), and the circular head cap (423) is rotatably sleeved on the bolt column (422).

4. The three-degree-of-freedom centering adjustment spectacle frame capable of meeting the environmental suitability test according to claim 3, wherein the pitching adjustment seat (4) is provided with a circular hole (43) and a column hole (46) which are communicated with each other, the circular hole (43) is matched with the circular head cap (423), the vertical mounting seat (3) is provided with a bolt column hole (32), the circular head cap (423) is located in the circular hole (43), and the bolt column (422) penetrates through the column hole (46) and the bolt column hole (32) in sequence.

5. The three-degree-of-freedom centering adjustment mirror frame capable of meeting the environmental suitability test as claimed in claim 1, further comprising a mounting plate (6), wherein a centering shaft hole (61) matched with the centering shaft (11) is formed in the mounting plate (6), and the centering shaft (11) is located in the centering shaft hole (61).

6. The three-degree-of-freedom centering adjustment mirror bracket capable of meeting the environmental suitability test as claimed in claim 5, wherein the mounting plate (6) is further provided with a mounting hole (62), and a connecting bolt (63) passes through the arc-shaped long hole (12) and the mounting hole (62) to connect the orientation adjustment base (1) with the mounting plate (6).

7. The three-degree-of-freedom centering adjustment mirror bracket capable of meeting the environmental suitability test as claimed in claim 6, further comprising a connecting rod (7) and a rotating rod (8) which are connected, wherein the connecting rod (7) is connected to the mounting plate (6), hexagonal bosses (71) are arranged at two ends of the connecting rod (7), a hexagonal groove is arranged at the center of the adjustment gear (2), a hexagonal sleeve (81) is arranged on the rotating rod (8), and the hexagonal bosses (71) at two ends of the connecting rod (7) are respectively and rotatably connected in the hexagonal groove and the hexagonal sleeve (81).

8. The three-degree-of-freedom centering adjustable spectacle frame capable of meeting the environmental suitability test as recited in claim 1, further comprising an adjustable spectacle frame (9), wherein the lens (5) is installed in the adjustable spectacle frame (9), the adjustable spectacle frame (9) is rotatably connected in the tilt adjustment seat (4), and the center of the lens (5) is coincident with the rotation axis of the adjustable spectacle frame (9).

9. The three-degree-of-freedom centering adjustment frame capable of meeting the environmental suitability test as claimed in claim 8, wherein the adjustment frame (9) comprises a mounting portion (91) and a connecting portion (92), the mounting portion (91) is used for mounting the lens (5), and the connecting portion (92) is connected to the tilt adjustment base (4).

10. The three-degree-of-freedom centering adjustment frame capable of meeting the environmental suitability test as claimed in claim 9, wherein the tilt and tilt adjustment seat (4) is further provided with an adjustment hole (44) and a placement hole (45), the adjustment hole (44) is communicated with the placement hole (45), the connection portion (92) is connected in the placement hole (45), and a jackscrew (93) penetrates through the adjustment hole (44) and butts against the connection portion (92).

Images