阅读说明：本技术 一种基于巨磁电阻芯片的角度传感器 (Angle sensor based on giant magnetoresistance chip ) 是由 谢九赛 于 2021-07-22 设计创作，主要内容包括：本发明公开了一种基于巨磁电阻芯片的角度传感器,其结构包括转轴、同步轮、操作箱,转轴上设有同步轮,同步轮与转轴相连接,操作箱上设有转轴,转轴与操作箱间隙配合,操作箱设有箱体、回旋轴、后盖、芯片、磁铁、稳定器,箱体内部设有回旋轴,回旋轴与箱体嵌合,回旋轴上安装有磁铁,磁铁与回旋轴相连接,稳定器安装在箱体上,本发明的稳定器抵扣支撑在回旋轴上,增加了回旋轴的支撑面积,而调节器的夹合块可通过调节组装结构抵扣在回旋轴的底部,进一步增加了回旋轴的支撑点,且回旋轴被稳定器所包裹,稳定器将回旋轴局限在包裹空间内,缩小了回旋轴的可晃动空间,回旋轴便不会受径向力和轴向力的影响而轻易晃动。(The invention discloses an angle sensor based on a giant magnetoresistance chip, which structurally comprises a rotating shaft, a synchronizing wheel and an operating box, wherein the rotating shaft is provided with the synchronizing wheel, the synchronizing wheel is connected with the rotating shaft, the operating box is provided with the rotating shaft, the rotating shaft is in clearance fit with the operating box, the operating box is provided with a box body, a rotating shaft, a rear cover, a chip, a magnet and a stabilizer, the rotating shaft is arranged in the box body, the rotating shaft is embedded with the box body, the magnet is arranged on the rotating shaft, the magnet is connected with the rotating shaft, and the stabilizer is arranged on the box body. The swivel shaft is not easily shaken by the influence of radial force and axial force.)

1. The utility model provides an angle sensor based on giant magnetoresistance chip which characterized in that: the structure of the device comprises a rotating shaft (1), a synchronizing wheel (2) and an operating box (3), wherein the synchronizing wheel (2) is arranged on the rotating shaft (1), and the rotating shaft (1) is in clearance fit with the operating box (3);

operation box (3) are equipped with box (3a), gyration axle (3b), back lid (3c), chip (3d), magnet (3e), stabilizer (3f), box (3a) inside is equipped with gyration axle (3b), magnet (3e) are connected with gyration axle (3b), install on box (3a) stabilizer (3f), box (3a) and chip (3d) activity block, establish in box (3a) bottom back lid (3 c).

2. The giant magnetoresistance chip-based angle sensor of claim 1, wherein: stabilizer (3f) are equipped with laminating ware (f1), the installation body (f2), contact piece (f3), press down piece (f4), regulator (f5), clamping block (f6), installation axle (f7), the installation body (f2) and laminating ware (f1) clearance fit, the both sides of clamping block (f6) all are equipped with installation axle (f7), clamping block (f6) and regulator (f5) gomphosis, press piece (f4) to install inside clamping block (f6), contact piece (f3) and press piece (f4) clearance fit.

3. The giant magnetoresistance chip-based angle sensor of claim 2, wherein: the contact block (f3) is an arc shaft body, and a spherical structure is arranged on the contact block (f 3).

4. The giant magnetoresistance chip-based angle sensor of claim 2, wherein: the regulator (f5) is provided with a buckle block (f51), a regulating channel (f52), a buckle shaft (f53) and a regulating cavity (f54), wherein the buckle block (f51) is provided with a regulating channel (f52), and the buckle shaft (f53) is movably clamped with the regulating cavity (f 54).

5. The giant magnetoresistance chip-based angle sensor according to claim 4, wherein: the buckle block (f51) is a T-shaped structure block, and a connecting plate is arranged at the other end of the connecting column of the buckle block (f 51).

6. The giant magnetoresistance chip-based angle sensor of claim 2, wherein: laminating ware (f1) is equipped with casing (f11), converter (f12), laminating axle (f13), propelling movement axle (f14), equipment pole (f15), spacing way (f16), locating plate (f17), converter (f12) are connected with laminating axle (f13), propelling movement axle (f14) is installed on converter (f12), equipment pole (f15) and propelling movement axle (f14) clearance fit, equipment pole (f15) is installed on spacing way (f16), locating plate (f17) and casing (f11) gomphosis, spacing way (f16) and casing (f11) swing joint.

7. The giant magnetoresistance chip-based angle sensor of claim 6, wherein: the pushing shaft (f14) is provided with two shaft bodies, and one end of the pushing shaft (f14) is provided with a circular hollow.

8. The giant magnetoresistance chip-based angle sensor of claim 6, wherein: the converter (f12) is provided with a device body (121), a moving block (122), a rolling body (123), a rotating plate (124), a squeezing body (125), a squeezing block (126) and a moving track (127), wherein the rolling body (123) is arranged in the device body (121), the moving block (122) is in sliding connection with the moving track (127), the squeezing body (125) is arranged on the squeezing block (126), and the device body (121) is movably clamped with the rotating plate (124).

Technical Field

The invention relates to the field of sensors, in particular to an angle sensor based on a giant magnetoresistance chip.

Background

The angle sensor based on giant magnetoresistance chip is used for detecting angle, and has a hole in body for matching with shaft height, when connected to the angle sensor, the angle sensor counts once when the shaft rotates/rotates, when the shaft rotates in one direction, the counting is increased, and when the rotating direction is changed, the counting is decreased;

the gyration axle of angle sensor is the gomphosis inside the box, and bearing structure is not established to its periphery, and if the radial force and the axial force that receive when the gyration axle rotates are too big, and the gyration axle just can produce because of the not enough of holding power and rock the deflection, and the gyration axle is connected with the pivot, can drive the pivot when the gyration axle rocks, leads to holistic rotating-structure to rock the deflection to reduce angle measurement's accuracy.

Disclosure of Invention

Aiming at the defects of the prior art, the invention is realized by the following technical scheme: an angle sensor based on a giant magnetoresistance chip structurally comprises a rotating shaft, a synchronizing wheel and an operation box, wherein the rotating shaft is provided with the synchronizing wheel, the synchronizing wheel is connected with the rotating shaft, the operation box is provided with the rotating shaft, and the rotating shaft is in clearance fit with the operation box;

the operation box is equipped with box, gyration axle, back lid, chip, magnet, stabilizer, the inside gyration axle that is equipped with of box, gyration axle and box gomphosis, install magnet on the gyration axle, magnet is connected with the gyration axle, the stabilizer is installed on the box, box and stabilizer swing joint, the chip is installed inside the box, box and chip activity block, the back lid is established at the bottom half, box and back lid clearance fit.

As a further optimization of the technical scheme, the stabilizer is provided with an applicator, an installation body, a contact block, a pressing block, an adjuster, a clamping block and an installation shaft, the applicator is installed on the installation body, the installation body is in clearance fit with the applicator, the installation shaft is arranged on both sides of the clamping block and is movably connected with the clamping block, the adjuster is arranged in the clamping block, the clamping block is embedded with the adjuster, the pressing block is installed in the clamping block and is movably connected with the pressing block, the contact block is installed on the pressing block and is in clearance fit with the pressing block, the contact blocks are equidistantly distributed on the clamping block along an arc line, the distribution radian of the contact blocks is matched with the driving radian when the rotation shaft rotates, the installation body is provided with a long-strip opening, the clamping block is internally provided with a groove, the utility model discloses a buckle piece, including buckle piece, installation body, installation axle, clamping block and regulator, the recess and the rectangular opening mutually perpendicular of buckle piece, be equipped with the buckle notch identical with the regulator structure on the recess of buckle piece, the both sides of the installation body are equipped with the slip chamber, and the slip intracavity portion is equipped with the screw thread recess, install epaxial screw thread handle that is equipped with, the clamping block is equipped with the slip track with the one end of regulator laminating, be equipped with the screw thread notch on the slip track of regulator.

As a further optimization of the technical scheme, the contact block is an arc shaft body, a ball structure is arranged on the contact block, hollow-out openings are formed in two sides of the ball structure of the contact block, the arc long shaft of the contact block is embedded in the hollow-out openings through protruding blocks, a movable cavity is arranged on the pressing block, a connecting shaft is embedded in the movable cavity of the pressing block, a circular arc shaft is arranged at the other end of the connecting shaft of the pressing block, the circular arc shaft of the pressing block abuts against and is buckled on the contact block, and a spiral connecting column made of copper wires is arranged in the movable cavity of the pressing block.

As a further optimization of the technical proposal, the adjuster is provided with a clamping block, an adjusting channel, a clamping shaft and an adjusting cavity, the buckle block is provided with an adjusting channel, the buckle block is movably connected with the adjusting channel, both sides of the adjusting cavity are provided with buckle shafts, the buckling shaft is movably buckled with the adjusting cavity, a rubber ball body is arranged on a connecting cylinder body of the buckling block, the rubber ball of the buckling block is filled with gas, ball connecting blocks are arranged on both sides of the adjusting cavity, the ball connecting block of the adjusting cavity is embedded in a movable cavity, the buckling shaft is of an L-shaped structure, the diameter of the shaft body of the buckling shaft is matched with the diameter of the groove of the connecting shaft of the buckling block, the other end of the buckling shaft is provided with a connecting shaft, and a threaded hollow-out opening is formed in the connecting shaft of the buckle shaft, and connecting cylinders are arranged on two sides of the assembling structure block of the buckle block.

As a further optimization of the technical scheme, the buckle block is a T-shaped structure block, the other end of the buckle block connecting column is provided with a connecting plate, a circular hollow is arranged at the center of the connecting plate of the buckle block, a rotary groove is formed in the circular hollow wall of the buckle block, the connecting column of the buckle block is embedded in the rotary groove through a connecting block, thread strips are arranged on the connecting block of the buckle block and the hollow wall of the buckle block, an arc-shaped groove is formed in the connecting plate of the buckle block, and a groove is formed in the connecting column of the buckle block.

As a further optimization of the technical proposal, the laminating device is provided with a shell, a converter, a laminating shaft, a pushing shaft, an assembling rod, a limiting channel and a positioning plate, the bonding shaft is provided with a converter, the converter is connected with the bonding shaft, the pushing shaft is arranged on the converter, the converter is movably connected with the pushing shaft, the pushing shaft is provided with an assembling rod, the assembling rod is in clearance fit with the pushing shaft, the assembly rod is arranged on the limiting channel and is in sliding connection with the limiting channel, the shell is provided with a positioning plate, the positioning plate is embedded with the shell, the limiting channel is arranged at the bottom of the shell and is movably connected with the shell, the top of the shell is provided with an arc-shaped opening, the shell is provided with a thread groove, the joint shaft is provided with an arc-shaped groove, connecting columns are arranged on two sides of the attaching shaft, and the connecting columns of the attaching shaft are embedded in the sliding grooves.

As a further optimization of the technical scheme, the pushing shaft is provided with two shaft bodies, one end of the pushing shaft is provided with a circular hollow, the other end of the shaft body of the pushing shaft is movably connected to the fitting shaft through a movable shaft, the pushing shaft is provided with 4-6 pushing shafts, the pushing shafts are equidistantly distributed on the fitting shaft, one end of the pushing shaft provided with the hollow is movably clamped on the assembling rod, the assembling rod is a long cylindrical shaft body, the positioning plate is movably connected with the assembling rod through a connecting shaft, the positioning plate is a square plate, and threaded connecting cylinders are arranged on two sides of the square plate of the positioning plate.

As a further optimization of the technical scheme, the converter is provided with a device body, a moving block, a rolling body, a rotating plate, a squeezing body, a squeezing block and a moving track, wherein the rolling body is arranged in the device body and is embedded with the device body, the moving track is provided with the moving block which is in sliding connection with the moving track, the squeezing block is provided with the squeezing body which is embedded with the squeezing block, the rotating plate is arranged on the device body, the device body is movably clamped with the rotating plate, the surface of the device body is provided with a colloid layer, the colloid layer is provided with convex stripes, the moving block is a circular connecting block, the moving block is provided with a sliding wheel, the sliding wheel of the moving block is embedded on the moving track, the circular block of the moving block is provided with a rotating track, the rotating plate is embedded on the rotating track of the moving block, and a circular connecting block of the moving block is connected with the device body, the novel rolling device is characterized in that an arc groove is formed in the device body, the rolling body is of a ball structure, an arc shaft is arranged on the extruding body, the arc shaft of the extruding body is movably connected to a connecting column through a movable shaft, a sliding cavity is formed in the device body, the connecting column of the extruding body is embedded in the sliding cavity, and a protruding block is arranged on the extruding block.

Advantageous effects

Compared with the prior art, the angle sensor based on the giant magnetoresistance chip has the following advantages:

1. the stabilizer is supported on the revolution shaft in an abutting mode, the supporting area of the revolution shaft is increased, the clamping block of the regulator can abut against the bottom of the revolution shaft through the adjusting and assembling structure, the supporting point of the revolution shaft is further increased, the revolution shaft is wrapped by the stabilizer, the revolution shaft is limited in the wrapping space by the stabilizer, the shaking space of the revolution shaft is reduced, and the revolution shaft cannot be easily shaken under the influence of radial force and axial force.

2. The joint shaft is jointed at the junction of the rotating shaft and the revolving shaft, the rolling body on the converter is embedded on the arc groove of the converter body, and when the rotating structure rotates, the rolling body rolls along with the rotating driving direction of the rotating shaft and the revolving shaft, so that the friction force between the rotating structure and the supporting structure is reduced, and the rotating structure is prevented from being worn due to overlarge friction with a contact surface when rotating.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic diagram of the overall structure of an angle sensor based on a giant magnetoresistance chip according to the present invention.

Fig. 2 is a schematic structural diagram of the operation box of the invention.

Fig. 3 is a schematic structural diagram of the stabilizer of the present invention.

Fig. 4 is a partial schematic view of fig. 3.

FIG. 5 is a schematic view of the applicator of the present invention.

Fig. 6 is a schematic diagram of a converter structure according to the present invention.

In the figure: the device comprises a rotating shaft 1, a synchronizing wheel 2, an operation box 3, a box body 3a, a rotary shaft 3b, a rear cover 3c, a chip 3d, a magnet 3e, a stabilizer 3f, a bonding device f1, an installation body f2, a contact block f3, a pressing block f4, an adjuster f5, a clamping block f6, an installation shaft f7, a buckling block f51, an adjustment channel f52, a buckling shaft f53, an adjustment cavity f54, a shell f11, a converter f12, a bonding shaft f13, a pushing shaft f14, an assembly rod f15, a limit channel f16, a positioning plate f17, a body 121, a moving block 122, a rolling body 123, a rotating plate 124, a squeezing body 125, a squeezing block 126 and a moving channel 127.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.

Example one

Referring to fig. 1-5, a giant magnetoresistance chip-based angle sensor structurally includes a rotating shaft 1, a synchronizing wheel 2, and an operation box 3, the rotating shaft 1 is provided with the synchronizing wheel 2, the synchronizing wheel 2 is connected with the rotating shaft 1, the operation box 3 is provided with the rotating shaft 1, and the rotating shaft 1 and the operation box 3 are in clearance fit;

operation box 3 is equipped with box 3a, gyration axle 3b, back lid 3c, chip 3d, magnet 3e, stabilizer 3f, the inside gyration axle 3b that is equipped with of box 3a, gyration axle 3b and the gomphosis of box 3a, install magnet 3e on the gyration axle 3b, magnet 3e is connected with gyration axle 3b, stabilizer 3f is installed on box 3a, box 3a and stabilizer 3f swing joint, chip 3d is installed inside box 3a, box 3a and chip 3d activity block, back lid 3c is established in box 3a bottom, box 3a and back lid 3c clearance fit realize the sensing of angle.

The stabilizer 3f is provided with an attaching device f1, an installation body f2, a contact block f3, a pressing block f4, an adjuster f5, a clamping block f6 and an installation shaft f7, the attaching device f7 is installed on the installation body f7, the installation body f7 is in clearance fit with the attaching device f7, the installation shaft f7 is arranged on both sides of the clamping block f7, the installation shaft f7 is movably connected with the clamping block f7, the adjuster f7 is arranged inside the clamping block f7, the clamping block f7 is embedded with the adjuster f7, the pressing block f7 is installed inside the clamping block f7, the clamping block f7 is movably connected with the pressing block f7, the contact block f7 is installed on the contact block f7, the contact block f7 is in clearance fit with the pressing block f7, the contact blocks f7 are distributed on the clamping block f7 along an arc line, and arc line of the contact block f7 is matched with the arc line of the arc line, and the arc line of the contact block f7, the arc line is matched with the arc line of the installation of the contact block f7, the arc line of the arc line 7, buckle piece f 51's inside is equipped with the recess, buckle piece f 51's recess and rectangular opening mutually perpendicular, be equipped with the buckle notch identical with regulator f5 structure on buckle piece f 51's the recess, the both sides of the installation body f2 are equipped with the slip chamber, and the slip intracavity portion is equipped with the thread groove, be equipped with the screw thread handle on the installation axle f7, the one end of clamping piece f6 and the laminating of regulator f5 is equipped with the slip track, be equipped with the screw thread notch on regulator f 5's the slip track, increase the bearing structure of equipment.

The contact block f3 is an arc shaft body, be equipped with the spheroid structure on the contact block f3, the spheroid structure both sides of contact block f3 are equipped with the fretwork mouth, contact block f3 arc major axis is through protruding piece gomphosis on the fretwork mouth, be equipped with movable cavity on the pressure block f4, the inside gomphosis of movable cavity of pressure block f4 has the connecting axle, the connecting axle other end of pressure block f4 is equipped with the circular arc axle, the circular arc axle of pressure block f4 is supported and is detained on contact block f3, the movable cavity inside of pressure block f4 is equipped with the screw connection post of being made by the copper wire, further increases the bearing supporter through extending the laminating structure.

The regulator f5 is provided with a buckling block f51, an adjusting channel f52, a buckling shaft f53 and an adjusting cavity f54, the buckling block f51 is provided with an adjusting channel f52, the buckling block f51 is movably connected with the adjusting channel f52, two sides of the adjusting cavity f54 are provided with buckling shafts f53, the buckling shaft f53 is movably clamped with the adjusting cavity f54, a connecting cylinder of the buckling block f51 is provided with a rubber ball, the rubber ball of the buckling block f51 is filled with gas, two sides of the adjusting cavity f54 are provided with ball connecting blocks, the ball connecting block of the adjusting cavity f54 is embedded in a movable cavity, the buckling shaft f53 is of an L-shaped structure, the diameter of a shaft body of the buckling shaft f53 is matched with the diameter of a groove of the buckling block f51, the other end of the buckling shaft f53 is provided with a hollow connecting shaft of the connecting shaft f53, and two sides of the buckling block f51 are provided with hollow connecting structures, the position of the support attaching structure is fixed.

Buckle piece f51 is T font structure piece, the other end of buckle piece f51 spliced pole is equipped with the connecting plate, buckle piece f 51's connecting plate central point puts and is equipped with circular fretwork mouth, be equipped with the rotation recess on buckle piece f 51's the circular fretwork wall body, buckle piece f 51's spliced pole passes through the connecting block gomphosis on rotating the recess, all be equipped with the screw thread strip on buckle piece f 51's the connecting block and on buckle piece f 51's the fretwork wall body, be equipped with the arc recess on buckle piece f 51's the connecting plate, be equipped with the recess on buckle piece f 51's the spliced pole, realize the fixed of position through buckle structure.

Attaching the stabilizer 3f to the edge of the rotating shaft 3b, increasing the supporting attachment surface of the rotating shaft 3b, pushing the clamping block f6, sliding the mounting shaft f7 on the clamping block f6 along the movable cavity of the mounting body f2, making the clamping block f6 abut against the bottom of the rotating shaft 3b, pushing the fastening block f51 toward the opening of the mounting body f2, sliding the fastening block f51 along the adjusting channel f52 without sliding deviation, entering the fastening block f51 from the opening of the mounting body f2, rotating the connecting column on the fastening block f51, rotating the connecting column along the hollow notch of the connecting plate, making the connecting plate of the T-shaped structural block of the fastening block f51 face the groove of the mounting body f2, pulling the fastening block f51 back, fastening the connecting block on the fastening block f51 with the connecting block on the adjusting cavity f54, positioning the pulling distance, and then inserting the fastening block f51 and the plate card of the mounting body f2 into the groove of the f2T, the buckle block f51 is connected with the mounting body f2, the buckle shaft f53 slides along the clamping block f6 and is buckled with the groove on the connecting column of the buckle block f51, the clamping block f6 is supported at the bottom of the rotating shaft 3b in a buckling mode when the buckle block f51 is fixed, the connecting shaft of the pressing block f4 slides and extends along the movable cavity, the contact block f3 is in contact with the rotating shaft 3b, the contact block f3 can rotate along the driving direction of the rotating shaft 3b while supporting in a buckling mode, and friction force between the buckling surface and the rotating shaft 3b is reduced.

Example two

Referring to fig. 1-6, an angle sensor based on a giant magnetoresistance chip structurally includes a rotating shaft 1, a synchronizing wheel 2 and an operation box 3, the rotating shaft 1 is provided with the synchronizing wheel 2, the synchronizing wheel 2 is connected with the rotating shaft 1, the operation box 3 is provided with the rotating shaft 1, and the rotating shaft 1 is in clearance fit with the operation box 3;

operation box 3 is equipped with box 3a, gyration axle 3b, back lid 3c, chip 3d, magnet 3e, stabilizer 3f, the inside gyration axle 3b that is equipped with of box 3a, gyration axle 3b and the gomphosis of box 3a, install magnet 3e on the gyration axle 3b, magnet 3e is connected with gyration axle 3b, stabilizer 3f is installed on box 3a, box 3a and stabilizer 3f swing joint, chip 3d is installed inside box 3a, box 3a and chip 3d activity block, back lid 3c is established in box 3a bottom, box 3a and back lid 3c clearance fit realize the sensing of angle.

The stabilizer 3f is provided with an attaching device f1, an installation body f2, a contact block f3, a pressing block f4, an adjuster f5, a clamping block f6 and an installation shaft f7, the attaching device f7 is installed on the installation body f7, the installation body f7 is in clearance fit with the attaching device f7, the installation shaft f7 is arranged on both sides of the clamping block f7, the installation shaft f7 is movably connected with the clamping block f7, the adjuster f7 is arranged inside the clamping block f7, the clamping block f7 is embedded with the adjuster f7, the pressing block f7 is installed inside the clamping block f7, the clamping block f7 is movably connected with the pressing block f7, the contact block f7 is installed on the contact block f7, the contact block f7 is in clearance fit with the pressing block f7, the contact blocks f7 are distributed on the clamping block f7 along an arc line, and arc line of the contact block f7 is matched with the arc line of the arc line, and the arc line of the contact block f7, the arc line is matched with the arc line of the installation of the contact block f7, the arc line of the arc line 7, buckle piece f 51's inside is equipped with the recess, buckle piece f 51's recess and rectangular opening mutually perpendicular, be equipped with the buckle notch identical with regulator f5 structure on buckle piece f 51's the recess, the both sides of the installation body f2 are equipped with the slip chamber, and the slip intracavity portion is equipped with the thread groove, be equipped with the screw thread handle on the installation axle f7, the one end of clamping piece f6 and the laminating of regulator f5 is equipped with the slip track, be equipped with the screw thread notch on regulator f 5's the slip track, increase the bearing structure of equipment.

The contact block f3 is an arc shaft body, be equipped with the spheroid structure on the contact block f3, the spheroid structure both sides of contact block f3 are equipped with the fretwork mouth, contact block f3 arc major axis is through protruding piece gomphosis on the fretwork mouth, be equipped with movable cavity on the pressure block f4, the inside gomphosis of movable cavity of pressure block f4 has the connecting axle, the connecting axle other end of pressure block f4 is equipped with the circular arc axle, the circular arc axle of pressure block f4 is supported and is detained on contact block f3, the movable cavity inside of pressure block f4 is equipped with the screw connection post of being made by the copper wire, further increases the bearing supporter through extending the laminating structure.

The regulator f5 is provided with a buckling block f51, an adjusting channel f52, a buckling shaft f53 and an adjusting cavity f54, the buckling block f51 is provided with an adjusting channel f52, the buckling block f51 is movably connected with the adjusting channel f52, two sides of the adjusting cavity f54 are provided with buckling shafts f53, the buckling shaft f53 is movably clamped with the adjusting cavity f54, a connecting cylinder of the buckling block f51 is provided with a rubber ball, the rubber ball of the buckling block f51 is filled with gas, two sides of the adjusting cavity f54 are provided with ball connecting blocks, the ball connecting block of the adjusting cavity f54 is embedded in a movable cavity, the buckling shaft f53 is of an L-shaped structure, the diameter of a shaft body of the buckling shaft f53 is matched with the diameter of a groove of the buckling block f51, the other end of the buckling shaft f53 is provided with a hollow connecting shaft of the connecting shaft f53, and two sides of the buckling block f51 are provided with hollow connecting structures, the position of the support attaching structure is fixed.

Buckle piece f51 is T font structure piece, the other end of buckle piece f51 spliced pole is equipped with the connecting plate, buckle piece f 51's connecting plate central point puts and is equipped with circular fretwork mouth, be equipped with the rotation recess on buckle piece f 51's the circular fretwork wall body, buckle piece f 51's spliced pole passes through the connecting block gomphosis on rotating the recess, all be equipped with the screw thread strip on buckle piece f 51's the connecting block and on buckle piece f 51's the fretwork wall body, be equipped with the arc recess on buckle piece f 51's the connecting plate, be equipped with the recess on buckle piece f 51's the spliced pole, realize the fixed of position through buckle structure.

The attaching device f1 is provided with a housing f11, a converter f12, an attaching shaft f13, a pushing shaft f14, an assembling rod f15, a limiting channel f16 and a positioning plate f17, the attaching shaft f13 is provided with the converter f12, the converter f12 is connected with the attaching shaft f13, the pushing shaft f14 is mounted on the converter f12, the converter f12 is movably connected with the pushing shaft f14, the pushing shaft f14 is provided with the assembling rod f15, the assembling rod f15 is in clearance fit with the pushing shaft f14, the assembling rod f15 is mounted on the limiting channel f16, the assembling rod f15 is in sliding connection with the limiting channel f16, the housing f11 is provided with the positioning plate f17, the positioning plate f17 is embedded with the housing f7, the limiting channel f16 is mounted at the bottom of the housing f11, the limiting channel f11 is movably connected with the housing f11, the top of the housing f 8472 is provided with an arc-shaped opening, and the attaching groove 36 11 2 and the attaching shaft 11 is provided with the arc-shaped opening 11, the two sides of the fitting shaft f13 are both provided with connecting columns, the connecting columns of the fitting shaft f13 are embedded in a sliding groove, and friction between the rotating structure and the supporting structure is reduced through rolling of the spherical structure.

The push shaft f14 is provided with two shaft bodies, one end of the push shaft f14 is provided with circular hollowed-out holes, the other end of the push shaft f14 is movably connected to the fitting shaft f13 through a movable shaft, the push shaft f14 is provided with 4-6 push shafts, the push shafts f14 are equidistantly distributed on the fitting shaft f13, one end of the push shaft f14 provided with the hollowed-out holes is movably clamped on the assembling rod f15, the assembling rod f15 is a long-strip cylindrical shaft body, the positioning plate f17 is movably connected with the assembling rod f15 through a connecting shaft, the positioning plate f17 is a square plate, two sides of the square plate of the positioning plate f17 are provided with threaded connecting cylinders, and the contact structure is fitted with the rotating structure through an extending structure.

The converter f12 is provided with a base 121, a moving block 122, a rolling body 123, a rotating plate 124, a squeezing body 125, a squeezing block 126 and a moving track 127, the rolling body 123 is arranged inside the base 121, the rolling body 123 is embedded with the base 121, the moving track 127 is provided with the moving block 122, the moving block 122 is connected with the moving track 127 in a sliding manner, the squeezing block 126 is provided with the squeezing body 125, the squeezing body 125 is embedded with the squeezing block 126, the rotating plate 124 is installed on the base 121, the base 121 is movably clamped with the rotating plate 124, the surface of the base 121 is provided with a colloid layer, the colloid layer forms a convex stripe, the moving block 122 is a circular connecting plate block, the moving block 122 is provided with a sliding wheel, the sliding wheel of the moving block 122 is embedded on the moving track 127, the circular plate of the moving block 122 is provided with a rotating track, the rotating plate 124 is embedded on the rotating track of the moving block 122, the circular ring connecting block of the moving block 122 is connected with the body 121, an arc groove is formed in the body 121, the rolling body 123 is of a spherical structure, an arc shaft is arranged on the extruding body 125, the arc shaft of the extruding body 125 is movably connected to a connecting column through a movable shaft, a sliding cavity is formed in the body 121, the connecting column of the extruding body 125 is embedded in the sliding cavity, and a protruding block is arranged on the extruding block 126 to realize conversion of an attaching end.

An attaching device f1 is installed on the basis of the first embodiment, a positioning plate f17 on a dragging housing f11 is installed, the positioning plate f17 pulls an assembling rod f15 to slide along a limiting track f16, a pushing shaft f14 pushes a fitting shaft f13, the fitting shaft f13 is in contact with a rotating shaft 3b, because the fitting shaft f13 is arranged at the assembling junction of the rotating shaft 1 and the rotating shaft 3b, a converter f12 on the fitting shaft f13 is respectively buckled on the rotating shaft 1 and the rotating shaft 3b, when the rotating structure rotates, a rolling body 123 rolls according to the driving direction when the rotating structure rotates, when the rotating structure rotates to a position and needs to keep a rotating angle, a rotating plate 124 rotates along a sliding track on the edge of a moving block 122, so that a pressing block 126 faces the attaching surface of the rotating shaft 1 and the rotating shaft 3b, a connecting block of the moving block 122 slides along a moving track 127, one side of a body 121 provided with a colloid layer is attached to the rotating shaft 1 and the rotating shaft 3b, the rotating structure is clamped through the extrusion of the extrusion block 126, the arc-shaped shaft of the extrusion body 125 rotates along the connecting rod, the extrusion block 126 is extruded, the clamping force of the extrusion body 125 is increased, the rotation is prevented after the rotating structure is positioned, and the angle detection value is changed.

While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.