CN219225180U - Displacement adjusting frame with magnetic force resetting mechanism - Google Patents

Abstract

The utility model discloses a displacement adjusting frame with a magnetic force resetting mechanism, which comprises a shell, a floating ring and a rear cover, wherein an avoidance hole is formed in the center of the shell, a first driving mechanism and a second driving mechanism for driving the floating ring to move are connected to two adjacent side walls of the shell, floating blocks are connected to the outer side walls of the periphery of the floating ring in a sliding manner, the floating blocks are positioned between the inner side wall of the shell and the outer side wall of the floating ring, the outer side walls of the two adjacent floating blocks are respectively abutted to the first driving mechanism and the second driving mechanism, a first magnet is arranged on the inner side wall of the shell opposite to the first driving mechanism and the second driving mechanism, and a second magnet which is opposite to the magnetic poles of the first magnet is arranged on the floating blocks far away from the first driving mechanism and the second driving mechanism. The utility model uses the mutual repulsion of the magnetic poles between the first magnet and the second magnet to enable the first magnet on the shell to generate reverse thrust along the X, Y axis to the floating ring, thereby realizing the positive and negative stroke movement and complete reset of the optical element at the X, Y axis.

Description

Displacement adjusting frame with magnetic force resetting mechanism

Technical Field

The utility model relates to the technical field of optical experimental equipment, in particular to a displacement adjusting frame with a magnetic force resetting mechanism.

Background

The optical element is a basic constituent unit of an optical system, most of which plays an imaging role, such as a lens, a prism, a mirror, and the like. There are also parts that play a special role in optical systems (e.g., splitting, image transmission, filtering, etc.), such as reticles, filters, gratings, etc., for optical fiber elements.

In various optical experiments or application scenes, in order to obtain better imaging effects, fine adjustment is required to be performed on the positions of the optical elements to meet experimental requirements, at this time, the optical elements are required to be mounted on a displacement adjusting frame, and an optical system is built to adjust and fix the positions of the optical elements.

A number of devices for adjusting optical elements have been disclosed in the prior art, such as CN202020278491.7, which discloses an optical element adjusting frame comprising: the support frame is provided with a translation ring, a first driving mechanism for driving the translation ring to translate towards the X axis and a second driving mechanism for driving the translation ring to translate towards the Y axis; the translation ring is connected with the connecting ring through internal threads; the connecting ring is coupled with the optical element mounting ring, the front knob, the limiting ring, the locking ring, the translation ring and the rear knob, a first jackscrew is arranged between the limiting ring and the front knob, and a second jackscrew is arranged between the locking ring and the rear knob; the first driving mechanism and the second driving mechanism respectively adopt manual screw rods to push the translation ring to move, and the pagoda springs are adopted for resetting so as to realize the position adjustment of the optical element in the X-axis direction and the Y-axis direction.

The first driving mechanism and the second driving mechanism of the optical element adjusting frame both adopt the pagoda spring as a reset mechanism, and when the stroke is ended, the translation ring can not be completely reset due to the fact that the thrust provided by the pagoda spring is reduced, so that the adjusting precision of the optical element is reduced.

Disclosure of Invention

The utility model aims to solve the technical problems that: overcomes the defects of the prior art and provides a displacement adjusting frame with a magnetic force resetting mechanism, which has simple structure and high adjusting precision.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a take magnetic force canceling release mechanical system's displacement adjustment frame, includes the casing, installs floating ring and lid in the casing locate the back lid at casing top, the center of casing is equipped with dodges the hole, and its adjacent both sides wall is connected with respectively and is used for driving the first actuating mechanism and the second actuating mechanism that the floating ring removed along the X axle, along the Y axle, the equal horizontal sliding connection of lateral wall all around of floating ring has the slider, the slider is located between the lateral wall of inside wall and the floating ring of casing, and wherein the lateral wall of two adjacent sliders respectively with first actuating mechanism and second actuating mechanism butt, all be equipped with first magnet on the inside wall of the casing relative with first actuating mechanism, second actuating mechanism, all be equipped with on the lateral wall of the slider that keeps away from first actuating mechanism, second actuating mechanism with the magnetic pole of first magnet repulsive second magnet.

According to the utility model, the first magnet is arranged on the inner side wall of the shell opposite to the first driving mechanism and the second driving mechanism, and the second magnets which are opposite to the magnetic poles of the first magnet are arranged on the outer side walls of the floating blocks far away from the first driving mechanism and the second driving mechanism, so that the reverse thrust in the X-axis direction and the Y-axis direction can be respectively generated on the floating ring under the action of mutual repulsion of the magnetic poles of the first magnets and the second magnets, and the floating ring can be subjected to displacement adjustment and complete reset along the reverse directions of the X-axis and the Y-axis, thereby improving the adjustment precision of the optical element.

Further, the floating blocks are circumferentially distributed on the outer side wall of the periphery of the floating ring at equal intervals along the central line of the floating ring, the inner side wall of the floating ring is provided with a sinking groove penetrating from the left side wall to the right side wall of the floating ring, and the positions, corresponding to the floating blocks, of the outer side wall of the floating ring are provided with raised strips which are clamped with the sinking groove.

According to the utility model, the floating blocks are connected to the peripheral outer side walls of the floating ring in a sliding manner, and the sliding connection structure of the floating convex strips and the sinking grooves is adopted, so that when the first driving mechanism or the second driving mechanism drives the floating ring to move along the X axis or the Y axis, the convex strips on the side walls of the floating ring adjacent to the first driving mechanism or the second driving mechanism can slide in the sinking grooves of the floating blocks matched with the floating ring along the direction parallel to the X axis or the Y axis, and the whole floating ring can move only along the X axis or the Y axis, so that the position of an optical element can be adjusted in a single direction, and the adjustment precision of the optical element is improved.

Further, the length of the raised strips is smaller than that of the sinking grooves.

Further, the casing is including being used for installing two drive frames of first actuating mechanism and second actuating mechanism, being used for installing two frames that reset of first magnet and locating the bottom plate of bottom, two drive frames and two frames that reset connect gradually the square frame that forms the casing, and still be equipped with between square frame and bottom plate and sink the platform, dodge the hole and offer in the center of bottom plate.

Furthermore, the side surfaces around the sinking platform are protruded towards the inner side wall directions of the driving frame and the reset frame, a clamping groove is formed between the protruded parts and the inner side walls of the driving frame and the reset frame, and the floating block is clamped in the clamping groove and moves along the X axis or the Y axis direction in the clamping groove.

Further, the first driving mechanism comprises an X-axis adjusting screw pair, one end of the X-axis adjusting screw pair extends into the shell and is abutted to the adjacent floating block, and a stainless steel gasket is arranged at the abutting part of the floating block and the X-axis adjusting screw pair.

Further, the second driving mechanism comprises a Y-axis adjusting screw pair, one end of the Y-axis adjusting screw pair extends into the shell and is abutted against the adjacent floating block, and a stainless steel gasket is arranged at the abutting part of the floating block and the Y-axis adjusting screw pair.

Further, the floating ring comprises a connecting ring, an optical element mounting ring and a limiting ring which are connected in sequence from bottom to top and are coaxially arranged, and a clamping ring is further arranged in the optical element mounting ring.

Further, the inner diameters of the connecting ring and the optical element mounting ring are equal, the outer diameter of the connecting ring is smaller than the inner diameter of the avoidance hole, the outer diameter of the optical element mounting ring is larger than the inner diameter of the avoidance hole, and the inner diameter of the limiting ring is smaller than the inner diameter of the optical element mounting ring.

Further, the bottom of the shell is also connected with a mark indicating plate.

The displacement adjusting frame with the magnetic force resetting mechanism has the beneficial effects that:

(1) The utility model has simple structure and convenient installation, the first magnet is arranged on the inner side wall of the shell opposite to the first driving mechanism and the second driving mechanism, the second magnets which are opposite to the magnetic poles of the first magnet are arranged on the outer side wall of the floating blocks far away from the first driving mechanism and the second driving mechanism, the magnetic poles of the first magnet and the second magnet are mutually repulsive, the first magnet on the shell and the floating blocks provided with the second magnet respectively generate reverse thrust along the X axis or the Y axis direction, and then the floating ring respectively generates reverse thrust along the X axis or the Y axis, so that the floating ring can move along the reverse direction of the X axis or the Y axis, the positive and negative stroke movement and the complete reset of the optical element along the X axis or the Y axis direction are realized, and the adjustment precision of the optical element is improved;

(2) According to the utility model, the floating blocks are connected to the peripheral outer side walls of the floating ring in a sliding manner, and the sliding connection structure of the convex strips and the sinking grooves is adopted, so that when the first driving mechanism or the second driving mechanism drives the floating ring to move along the X axis or the Y axis, the convex strips on the side walls of the floating ring adjacent to the first driving mechanism or the second driving mechanism can slide in the sinking grooves of the floating blocks matched with the floating ring along the direction parallel to the X axis or the Y axis, and the whole floating ring can move only along the X axis or the Y axis, so that the position of the optical element can be adjusted in a single direction, and the adjustment precision of the optical element is further improved.

Drawings

FIG. 1 is a schematic perspective view of a displacement adjustment mechanism with a magnetic force resetting mechanism according to the present utility model;

FIG. 2-is a top view of FIG. 1;

FIG. 3-is an exploded view of FIG. 1;

FIG. 4 is a schematic perspective view of the housing;

FIG. 5 is a schematic perspective view of a floating ring;

FIG. 6-is a schematic perspective view of a first slider;

FIG. 7-is a rear view of FIG. 6;

FIG. 8 is a schematic perspective view of a third slider;

FIG. 9 is a schematic perspective view of the floating ring and slider mounted to the housing.

The above reference numerals: the device comprises a 1-shell, a 2-rear cover, a 3-avoidance hole, a 4-X axis adjusting screw pair, a 5-Y axis adjusting screw pair, a 6-mark indicating plate, 7-through holes, 8-threaded holes, 9-floating rings, 10-first driving frames, 11-second driving frames, 12-first resetting frames, 13-second resetting frames, 14-bottom plates, 15-first floating blocks, 16-second floating blocks, 17-third floating blocks, 18-fourth floating blocks, 19-sinking tables, 20-first clamping grooves, 21-second clamping grooves, 22-third clamping grooves, 23-fourth clamping grooves, 24-first magnets, 25-connecting rings, 26-optical element mounting rings, 27-limiting rings, 28-clamping rings, 29-protruding strips, 30-sinking grooves, 31-stainless steel gaskets, 32-second magnets and 33-ball plungers.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings, but these embodiments do not limit the scope of the utility model in any way.

Example 1

Referring to fig. 1-9, a displacement adjusting frame with a magnetic force resetting mechanism sequentially comprises a mark indicating plate 6, a shell 1 and a rear cover 2 covering the top of the shell 1 from bottom to top, wherein an avoidance hole 3 is formed in the center of the shell 1, and a through hole 7 communicated with the avoidance hole 3 is formed in the centers of the mark indicating plate 6 and the rear cover 2.

The rear cover 2 is detachably connected with the shell 1 through screws, through holes 7 on the rear cover are provided with SM2 internal threads, the rear cover can be used for installing SM2 lens sleeves or SM2 series adapters, and threaded holes 8 for connecting optical extension rods are formed in the rear cover and the shell 1.

Install floating ring 9 in the casing 1, and it includes integrated into one piece's two drive frames (specifically first drive frame 10 and second drive frame 11), two frames that reset (specifically first reset frame 12 and second reset frame 13) and bottom plate 14, first drive frame 10, second drive frame 11, first reset frame 12 and second reset frame 13 end to end, connect gradually the square frame that forms casing 1, bottom plate 14 is located square frame's bottom, still is equipped with between square frame and bottom plate 14 and sinks a platform 19, dodge hole 3 and offer in the center of bottom plate 14, floating ring 9 installs in sinking a platform 19.

The side surfaces around the sinking platform 19 are protruded towards the inner side walls of the first driving frame 10, the second driving frame 11, the first reset frame 12 and the second reset frame 13, clamping grooves (specifically, a first clamping groove 20, a second clamping groove 21, a third clamping groove 22 and a fourth clamping groove 23 respectively) are formed between the protruded parts and the inner side walls of the first driving frame 10, the second driving frame 11, the first reset frame 12 and the second reset frame 13, and the clamping grooves are respectively corresponding to the first clamping groove 20, the second clamping groove 21, the third clamping groove 22 and the fourth clamping groove 23), and floating blocks (specifically, a first floating block 15, a second floating block 16, a third floating block 17 and a fourth floating block 18 respectively corresponding to the clamping grooves are respectively clamped in the clamping grooves, wherein the first floating block 15 and the third floating block 17 are oppositely arranged, the second floating block 16 and the fourth floating block 18 are oppositely arranged, the first floating block 15 and the second floating block 16 are identical in structure, and the third floating block 17 and the fourth floating block 18 are identical in structure.

The setting of the clamping groove can limit the movement direction of the floating block, has the guiding function, and specifically comprises the following steps: the first slider 15 can move only in the X-axis direction in the first slot 20, the second slider 16 can move only in the Y-axis direction in the second slot 21, the third slider 17 can move only in the X-axis direction in the third slot 22, and the fourth slider 18 can move only in the Y-axis direction in the fourth slot 23. When the position adjustment is performed in the X-axis direction of the floating ring 9, only the first slider 15 and the third slider 17 move in the X-axis direction; when the position adjustment is performed in the Y-axis direction of the floating ring 9, only the second slider 16 and the fourth slider 18 move in the Y-axis direction in the corresponding card grooves.

The first driving frame 10 and the second driving frame 11 are respectively provided with a first driving mechanism and a second driving mechanism, the first driving mechanism comprises an X-axis adjusting screw pair 4, the X-axis adjusting screw pair 4 is glued on the shell 1 (specifically, a bushing is sleeved on a screw rod of the X-axis adjusting screw pair 4, the bushing is in threaded connection with the screw rod, a part of the bushing, which is exposed out of the shell 1 and is connected with the outer side wall of the shell 1, is fixedly connected with the outer side wall of the shell 1 through dispensing), and the floating ring 9 is driven to move along the X-axis direction by pushing the first floating block 15 and the third floating block 17, one end of the floating ring 9, which extends into the shell 1, is abutted against the first floating block 15, and a stainless steel gasket 31 is arranged at the part of the first floating block 15, which is abutted against the X-axis adjusting screw pair 4.

The second driving mechanism comprises a Y-axis adjusting screw pair 5, the Y-axis adjusting screw pair 5 is glued on the housing 1 (specifically, a bushing is sleeved on a screw rod of the Y-axis adjusting screw pair 5, the bushing is in threaded connection with the screw rod, a part of the bushing, which is exposed out of the housing 1 and is connected with the outer side wall of the housing 1, is fixedly connected with the outer side wall of the housing 1 by dispensing, and a stainless steel gasket 31 is also arranged at a part of the second slider 16, which is abutted with the Y-axis adjusting screw pair 5, and is abutted with the second slider 16 by pushing the second slider 16 and the fourth slider 18 to drive the floating ring 9 to move along the Y-axis direction. The arrangement of the stainless steel gasket 31 can increase the contact strength of the steel ball for adjusting the connection between the screw thread auxiliary end and the floating block, and prevent the parts from being worn to influence the precision.

The floating ring 9 comprises a connecting ring 25, an optical element mounting ring 26 and a limiting ring 27 which are sequentially connected from bottom to top and coaxially arranged, a clamping ring 28 is further arranged in the optical element mounting ring 26, the clamping ring 28 is used for clamping an optical element in the optical element mounting ring 26, the inner diameters of the connecting ring 25 and the optical element mounting ring 26 are equal, the outer diameter of the connecting ring 25 is smaller than the inner diameter of the avoidance hole 3, the outer diameter of the optical element mounting ring 26 is larger than the inner diameter of the avoidance hole 3, the inner diameter of the limiting ring 27 is smaller than the inner diameter of the optical element mounting ring 26, and a ball plunger 33 is further arranged on the upper surface of the limiting ring.

The outer side walls around the floating ring 9 are all in horizontal sliding connection with the floating blocks, the floating blocks are located between the inner side wall of the housing 1 and the outer side wall of the floating ring 9 (specifically, the first floating block 15 is located between the inner side wall of the first driving frame 10 and the outer side wall of the floating ring 9, the second floating block 16 is located between the inner side wall of the second driving frame 11 and the outer side wall of the floating ring 9, the third floating block 17 is located between the inner side wall of the first resetting frame 12 and the outer side wall of the floating ring 9, and the fourth floating block 18 is located between the inner side wall of the second Du Wei frame and the outer side wall of the floating ring 9).

The concrete structure that all outer side walls around floating ring 9 all are connected with the horizontal sliding of floating block is: vertical sections are formed in the peripheral outer side walls of the floating ring 9, each vertical section is uniformly distributed on the outer side walls of the floating ring 9 along a cross shape, the first floating block 15, the second floating block 16, the third floating block 17 and the fourth floating block 18 are uniformly and circumferentially distributed on the vertical sections of the peripheral outer side walls of the floating ring 9 along the central line of the floating ring 9 at equal intervals, particularly the vertical sections of the optical element mounting ring 26, the first floating block 15, the second floating block 16, the third floating block 17 and the fourth floating block 18 are located on the same plane, the inner side walls of the first floating block 15, the second floating block 16, the third floating block 17 and the fourth floating block 18 are provided with a sinking groove 30 penetrating from the left side wall to the right side wall, the vertical sections of the outer side walls of the floating ring 9 and the positions corresponding to the first floating block 15, the second floating block 16, the third floating block 17 and the fourth floating block 18 are provided with convex strips 29 which are clamped with the sinking groove 30, and the lengths of the convex strips 29 are smaller than the sinking groove 30.

In the above scheme, through the sliding connection of the floating blocks on the outer side walls of the periphery of the floating ring 9, and the sliding connection structure of the raised strips 29 and the sinking grooves 30, when the X-axis adjusting screw pair 4 drives the first floating block 15 and pushes the floating ring 9 to move along the X-axis direction to adjust the position of the optical element, the first floating block 15 and the third floating block 17 move along the X-axis direction in the first clamping groove 20 and the third clamping groove 22, and the second floating block 16 and the fourth floating block 18 cannot move along the X-axis direction in the second clamping groove 21 and the fourth clamping groove 23; in the corresponding Y-axis direction, the floating ring 9 moves in the direction parallel to the X-axis in the sinking groove under the guiding action of the convex strips 29 and the sinking groove 30 of the second floating block 16 and the fourth floating block 18, and the Y-axis direction does not change, so that when only the X-axis adjusting screw thread pair 4 is adjusted, the whole floating ring 9 moves only along the X-axis direction;

when the Y-axis adjusting screw pair 5 drives the second slider 16 and pushes the floating ring 9 to move along the Y-axis direction to adjust the position of the optical element, the second slider 16 and the fourth slider 18 move along the Y-axis direction in the second clamping groove 21 and the fourth clamping groove 23, and the first slider 15 and the third slider 17 cannot move along the Y-axis direction in the first clamping groove 20 and the third clamping groove 22; in the corresponding X-axis direction, the floating ring 9 moves in the direction parallel to the Y-axis in the sinking groove under the guiding action of the convex strips 29 and the sinking groove 30 of the first floating block 15 and the third floating block 17, and no displacement change occurs in the X-axis direction, so that when only the Y-axis adjusting screw pair 5 is adjusted, the whole floating ring 9 moves only in the Y-axis direction, thereby realizing unidirectional adjustment of the position of the optical element and improving the adjustment precision of the optical element.

The first magnets 24 are disposed on the inner side walls of the housing 1 opposite to the first and second driving mechanisms (i.e., the first magnets 24 are disposed on the inner side walls of the first and second reset frames 12 and 13), and the second magnets 32 that repel the magnetic poles of the first magnets 24 are disposed on the outer side walls of the sliders far away from the first and second driving mechanisms (i.e., the second magnets 32 that repel the magnetic poles of the first magnets 24 are disposed on the outer side walls of the third and fourth sliders 17 and 18).

In the above scheme, the first magnet 24 is arranged on the inner side walls of the first reset frame 12 and the second reset frame 13, the second magnet 32 which is opposite to the magnetic pole of the first magnet 24 is arranged on the third floating block 17 and the fourth floating block 18, when the floating ring 9 is pushed to move along the X axis direction by adopting the X axis adjusting screw thread pair 4, under the action of mutual repulsion of the magnetic poles of the first magnet 24 of the first reset frame 12 and the second magnet 32 on the third floating block 17, reverse thrust in the X axis direction is generated on the floating ring 9, the floating ring 9 can move in the reverse direction of the X axis, and the floating ring 9 can move forward and backward in the X axis direction and reset, so that the positive and negative stroke movement and complete reset of the optical element in the X axis direction are realized;

when the Y-axis adjusting screw thread pair 5 is adopted to push the floating ring 9 to move along the Y-axis direction, under the action of mutual repulsion of magnetic poles between the first magnet 24 of the second reset frame 13 and the second magnet 32 on the fourth floating block 18, reverse thrust in the Y-axis direction can be generated on the floating ring 9, the floating ring 9 can move along the reverse direction of the Y-axis, and then the floating ring 9 can move forward and backward in the Y-axis direction and reset, so that positive and negative stroke movement and complete reset of an optical element in the Y-axis direction are realized, and the adjustment precision of the optical element is improved.

The utility model relates to a working principle of a displacement adjusting frame with a magnetic force resetting mechanism and a use method thereof, wherein the working principle comprises the following steps:

when the utility model works, the position of the optical element can be finely adjusted in the X and Y directions by adjusting the X-axis adjusting screw thread pair 4 and the Y-axis adjusting screw thread pair 5, and the stroke is +/-2 mm;

when the X-axis adjusting screw thread pair 4 is adopted to adjust the position of the optical element, the X-axis adjusting screw thread pair 4 can push the first floating block 15 and drive the floating ring 9 to displace along the X-axis direction, so that the floating ring 9 moves along the X-axis direction; meanwhile, under the mutual repulsion action of magnetic poles between the first magnet 24 of the first reset frame 12 and the second magnet 32 on the third floating block 17, reverse thrust in the X-axis direction is generated on the floating ring 9, so that the floating ring 9 can move and reset along the reverse direction of the X-axis, and positive and negative position adjustment of the optical element in the X-axis direction is realized;

when the Y-axis adjusting screw thread pair 5 is adopted to adjust the position of the optical element, the Y-axis adjusting screw thread pair 5 can push the second floating block 16 and drive the floating ring 9 to displace along the X-axis direction, so that the floating ring 9 moves along the Y-axis direction; meanwhile, under the mutual repulsion action of magnetic poles between the first magnet 24 of the second reset frame and the second magnet 32 on the fourth floating block 18, reverse thrust in the Y-axis direction is generated on the floating ring 9, so that the floating ring 9 can move and reset in the Y-axis reverse direction, and positive and negative position adjustment of the optical element in the Y-axis direction is realized; thereby realizing the position adjustment and the reset of the positive and negative formation movement of the optical element in the X-axis and Y-axis directions.

It should be further noted that the terms "first," "second," and the like are used herein to describe various elements, but these elements should not be limited by these terms. These terms are only used to distinguish one element from another element.

The words "upper", "lower", "left", "right", "front", "rear", "vertical", "inner", "outer", and the like, as used herein, describe orientations or positions which are specific for purposes of illustration and are specifically based on the orientation or positional relationship shown in the drawings, and in particular "inner" herein refers to a direction toward a center of the housing, and in actual devices these orientations may differ depending on the manner in which the devices are placed, merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

The present utility model is not limited to the above-mentioned embodiments, but is intended to be limited to the following embodiments, and any modifications, equivalent changes and variations in the above-mentioned embodiments can be made by those skilled in the art without departing from the scope of the present utility model.

Claims (10)

1. The utility model provides a take magnetic force canceling release mechanical system's displacement adjustment stand, includes the casing, installs floating ring and lid in the casing and locates the back lid at casing top, the center of casing is equipped with dodges the hole, and its adjacent both sides wall is connected with respectively and is used for driving the first actuating mechanism and the second actuating mechanism that the floating ring removed along the X axle, removed along the Y axle, its characterized in that: the floating ring is characterized in that the peripheral outer side walls of the floating ring are horizontally and slidably connected with floating blocks, the floating blocks are located between the inner side wall of the shell and the outer side wall of the floating ring, the outer side walls of two adjacent floating blocks are respectively abutted to the first driving mechanism and the second driving mechanism, first magnets are arranged on the inner side walls of the shell opposite to the first driving mechanism and the second driving mechanism, and second magnets which repel magnetic poles of the first magnets are arranged on the outer side walls of the floating blocks far away from the first driving mechanism and the second driving mechanism.

2. The displacement adjusting bracket with a magnetic force resetting mechanism as defined in claim 1, wherein: the floating blocks are circumferentially distributed on the outer side wall of the periphery of the floating ring at equal intervals along the central line of the floating ring, the inner side wall of the floating ring is provided with a sinking groove penetrating from the left side wall to the right side wall of the floating ring, and the positions, corresponding to the floating blocks, of the outer side wall of the floating ring are provided with raised strips which are clamped with the sinking groove.

3. The displacement adjusting frame with a magnetic force resetting mechanism as defined in claim 2, wherein: the length of the raised strips is smaller than that of the sinking grooves.

4. The displacement adjusting bracket with a magnetic force resetting mechanism as defined in claim 1, wherein: the shell comprises two driving frames for installing a first driving mechanism and a second driving mechanism, two reset frames for installing a first magnet and a bottom plate arranged at the bottom, wherein the two driving frames and the two reset frames are sequentially connected to form a square frame of the shell, a sinking table is further arranged between the square frame and the bottom plate, and the avoidance hole is formed in the center of the bottom plate.

5. The displacement adjusting bracket with a magnetic force resetting mechanism as defined in claim 4, wherein: the side surfaces around the sinking platform are protruded towards the inner side wall directions of the driving frame and the reset frame, a clamping groove is formed between the protruded part and the inner side walls of the driving frame and the reset frame, and the floating block is clamped in the clamping groove and moves along the X axis or the Y axis direction in the clamping groove.

6. The displacement adjusting bracket with a magnetic force resetting mechanism as defined in claim 1, wherein: the first driving mechanism comprises an X-axis adjusting screw pair, one end of the X-axis adjusting screw pair extends into the shell and is abutted against the adjacent floating block, and a stainless steel gasket is arranged at the abutted part of the floating block and the X-axis adjusting screw pair.

7. The displacement adjusting bracket with a magnetic force resetting mechanism as defined in claim 1, wherein: the second driving mechanism comprises a Y-axis adjusting screw pair, one end of the Y-axis adjusting screw pair extends into the shell and is abutted against the adjacent floating block, and a stainless steel gasket is arranged at the abutted part of the floating block and the Y-axis adjusting screw pair.

8. The displacement adjusting bracket with a magnetic force resetting mechanism as defined in claim 1, wherein: the floating ring comprises a connecting ring, an optical element mounting ring and a limiting ring which are connected in sequence from bottom to top and are coaxially arranged, and a clamping ring is further arranged in the optical element mounting ring.

9. The displacement adjustment frame with a magnetic force resetting mechanism as recited in claim 8, wherein: the inner diameters of the connecting ring and the optical element mounting ring are equal, the outer diameter of the connecting ring is smaller than the inner diameter of the avoidance hole, the outer diameter of the optical element mounting ring is larger than the inner diameter of the avoidance hole, and the inner diameter of the limiting ring is smaller than the inner diameter of the optical element mounting ring.

10. The displacement adjusting bracket with a magnetic force resetting mechanism as defined in claim 1, wherein: the bottom of the shell is also connected with a marking indication plate.

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