CN216021971U

CN216021971U - Braking device, wheel body assembly and walking aid

Info

Publication number: CN216021971U
Application number: CN202121918431.8U
Authority: CN
Inventors: 李永; 龚茂
Original assignee: Zhejiang Yihengyue Medical Technology Co Ltd
Current assignee: Zhejiang Yihengyue Medical Technology Co Ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-03-15
Anticipated expiration: 2031-08-13

Abstract

The application discloses a braking device, a wheel body assembly and a walking aid, the braking device comprises a shaft body, a shell, a magnetic sensing piece and a magnet assembly, the shell is sleeved outside the shaft body and is coaxially arranged with the shaft body, the shell can rotate relative to the shaft body, a coil is wound on the magnetic sensing piece, the magnet assembly comprises a plurality of magnets which are arranged along the circumferential direction of the shaft body at intervals, one of the magnetic sensing piece and the magnet assembly is connected with the shaft body, the other one of the magnetic sensing piece and the magnet assembly is connected with the shell, so that when the shell rotates relative to the shaft body, the coil can cut a magnetic field formed by the magnet assembly, resistance opposite to the rotating direction of the shell or the shaft body is generated, braking effect on the wheel body which is integrated with or connected with the braking device can be achieved, braking force is related to the rotation of the shell or the shaft body and is not in friction braking, no emergency stop effect is generated, safety is higher, and abrasion can be reduced, the service life of the braking device is prolonged, and meanwhile, the braking device is simple in structure and easy to prepare.

Description

Braking device, wheel body assembly and walking aid

Technical Field

The application relates to the technical field of medical equipment, in particular to a braking device, a wheel body assembly and a walking aid.

Background

Walking assisting equipment such as a walking aid can assist people with lower limb pathological changes or old people and other people with inconvenient actions to walk. For example, the walking aid can be a support frame, and a user can support the support frame by both hands and lift the support frame to move when walking so as to achieve the purpose of moving the body.

The applicant of the application finds that the user needs to continuously lift the support frame in the walking process in long-term research and development, the burden is large, the moving speed is low, and the use is inconvenient. At present through set up the wheel in support frame bottom in order to increase its flexibility, but the holding power and the speed that provide the user in the removal process are all uncontrollable, lead to the user to fall down easily, and the security is relatively poor. If braking is performed by the brake device, the operation requirement on a user is high, and the emergency stop of the brake is dangerous.

SUMMERY OF THE UTILITY MODEL

The application provides a arresting gear, wheel body subassembly and helps capable ware to it leads to the relatively poor technical problem of security to solve prior art and set up the wheel on equipment such as helping capable ware.

In order to solve the above technical problem, one technical solution adopted by the present application is to provide a braking device, including:

a shaft body;

the shell is sleeved outside the shaft body and is coaxially arranged with the shaft body, and the shell can rotate relative to the shaft body;

the magnetic induction piece is wound with a coil;

the magnet assembly comprises a plurality of magnets which are arranged at intervals along the circumferential direction of the shaft body;

one of the magnetic induction piece and the magnet assembly is connected with the shaft body, and the other one of the magnetic induction piece and the magnet assembly is connected with the shell, so that when the shell rotates relative to the shaft body, the coil can cut a magnetic field formed by the magnet assembly, and resistance opposite to the rotation direction of the shell or the shaft body is generated.

In order to solve the above technical problem, another technical scheme that this application adopted provides a wheel body subassembly, includes:

the braking device as described above, wherein the housing is disposed in a circular ring shape and is used as a wheel body; or

According to the braking device and the wheel body, the wheel body is connected with the shell or the shaft body.

In order to solve the technical problem, another technical solution adopted by the present application is to provide a walking aid, which includes a main body frame and the wheel body assembly as described above, wherein the wheel body assembly is rotatably connected to the bottom of the main body frame.

The application of the brake device comprises a shaft body, a shell, a magnetic induction piece and a magnet assembly, wherein the shell is sleeved outside the shaft body and is coaxially arranged with the shaft body, the shell can rotate relative to the shaft body, a coil is wound on the magnetic induction piece, the magnet assembly comprises a plurality of magnets which are arranged along the circumferential direction of the shaft body at intervals, one of the magnetic induction piece and the magnet assembly is connected with the shaft body, the other one of the magnetic induction piece and the magnet assembly is connected with the shell, so that when the shell rotates relative to the shaft body, the coil can cut a magnetic field formed by the magnet assembly, so that resistance opposite to the rotation direction of the shell or the shaft body is generated, a wheel body brake effect can be realized on the brake device which is integrated with or connected with the brake device, and as the brake force is related to the rotation of the shell or the shaft body, the brake device is non-friction brake, no emergency stop effect is generated, the safety is higher, the abrasion can be reduced, the service life of the brake device is prolonged, and the structure of the brake device is simple, is easy to prepare.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

fig. 1 to 5 are schematic structural views of a first embodiment of the braking device of the present application;

FIGS. 6 to 14 are schematic structural views of a second embodiment of the braking device of the present application;

FIGS. 15 to 21 are schematic structural views of a third embodiment of the braking device of the present application;

FIGS. 22 to 26 are schematic structural views of a fourth embodiment of the braking device of the present application;

FIGS. 27 to 30 are schematic views showing the structure of a fifth embodiment of the braking device of the present application;

FIGS. 31 to 34 are schematic views showing the structure of a sixth embodiment of the braking apparatus of the present application;

FIGS. 35 to 37 are schematic structural views of a seventh embodiment of the braking device of the present application;

FIGS. 38 to 39 are schematic views showing the construction of an eighth embodiment of the braking apparatus of the present application;

FIGS. 40 to 42 are schematic views showing the structure of a ninth embodiment of the braking apparatus of the present application;

FIGS. 43 to 46 are schematic views showing the structure of a tenth embodiment of the braking apparatus of the present application;

FIG. 47 is a schematic structural view of an eleventh embodiment of the brake apparatus of the present application;

FIGS. 48 to 49 are schematic views showing the construction of a twelfth embodiment of the braking apparatus according to the present application;

FIG. 50 is a schematic structural view of a second embodiment of a wheel assembly according to the present application;

FIG. 51 is a schematic structural view of a first embodiment of the walker according to the present application;

FIG. 52 is a schematic structural view of a second embodiment of the walker according to the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms "first" and "second" in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus. While the term "and/or" is merely one type of association that describes an associated object, it means that there may be three types of relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

Referring to fig. 1 to 4, a first embodiment of the braking device 10 of the present application includes a shaft 100, a housing 200, a magnetic sensing element 310 and a magnet assembly 320, wherein the housing 200 is disposed outside the shaft 100 and coaxial with the shaft 100, the housing 200 is capable of rotating relative to the shaft 100, a coil 311 is wound on the magnetic sensing element 310, and the magnet assembly 320 includes a plurality of magnets spaced apart from each other along a circumferential direction of the shaft 100, one of the magnetic sensing element 310 and the magnet assembly 320 is connected to the shaft 100, and the other is connected to the housing 200, such that when the housing 200 rotates relative to the shaft 100, the coil 311 is capable of cutting a magnetic field formed by the magnet assembly 320, thereby generating a resistance force opposite to a rotation direction of the housing 200 or the shaft 100, and being capable of braking the braking device 10, and because a braking force thereof is related to the rotation of the housing 200 or the shaft 100, not a friction braking effect is not generated, the safety is higher, the abrasion can be reduced, the service life of the braking device 10 is prolonged, and meanwhile, the structure is simple and the preparation is easy.

In this embodiment, the braking device 10 may further include a tire 400, and the tire 400 is sleeved outside the housing 200 and can play a role of shock absorption.

Specifically, referring to fig. 5, the magnet may include a first magnet 321 and a second magnet 322, and in this embodiment, the first magnet 321 and the second magnet 322 are taken as an exampleAnd (6) explaining. The magnet assembly 320 rotates counterclockwise in fig. 5 at a speed v, the magnetic induction member 310 is fixed, and the magnetic field strengths generated by the first magnet 321 and the second magnet 322 are respectively B₁And B₂When the magnetic pole of the first magnet 321 facing the magnetic induction member 310 is a north pole, the magnetic pole of the second magnet 322 facing the magnetic induction member 310 is a south pole, the part of the coil 311 cutting the magnetic induction line is a c-side part and a d-side part, the projection length of the coil 311 in the direction of cutting the magnetic induction line (i.e., the length of the c-side part or the d-side part in the axial direction of the shaft body 100) is L, the direction of the induced current generated by the c-side part is the forward direction shown in fig. 5, and the direction of the induced current generated by the d-side part is the backward direction shown in fig. 5, the ampere force F generated by the c-side part is_c＝nB₁Ampere force F generated by Lv, d side portion_d＝nB₂Lv, where n is the number of turns of the coil 311, and since the directions of the ampere force of the two are both clockwise, the resultant force F of the two is_{Combination of Chinese herbs}＝nB₁Lv+nB₂Lv, due to the equal magnetic field strength generated by the first magnet 321 and the second magnet 322, i.e. B₁＝B₂If B is then F_{Combination of Chinese herbs}＝2*nBLv。

In the present embodiment, the resistance force is in a positive relationship with the rotation speed of the housing 200 or the shaft body 100, represented by F_{Combination of Chinese herbs}2 × nBLv, that is, the larger the rotation speed of the housing 200 is, the larger the resistance force generated by the coil 311 cutting the magnetic field formed by the magnet assembly 320 and opposite to the rotation direction of the housing 200 is, and under the condition that the rotation speed of the braking device 10 is not changed, the constant braking force can be provided, and the stability is better; when the rotation speed of the braking device 10 is increased, a larger braking force can be provided, so that the braking device 10 is prevented from moving too fast, and the safety is improved.

In this embodiment, the number of the magnets is two, and the plurality of magnets are symmetrically disposed with respect to the axis of the shaft 100, so that the magnetic field formed by the magnet assembly 320 is distributed more uniformly, and the resistance generated by the coil 311 cutting the magnetic field formed by the magnet assembly 320 is more stable.

In this embodiment, the magnetic poles of two magnets symmetrical to the axis 100 are arranged in the same direction, and the magnetic poles of two adjacent magnets are arranged in opposite directions, wherein the installation directions of the magnetic poles of the magnets are towards the axis of the shaft body 100 and away from the axis of the shaft body 100, the magnetic poles of the two magnets are in the same direction, that is, the magnetic poles of the two magnets are both towards or away from the axis of the shaft body 100, the magnetic poles of the two magnets are in opposite directions, that is, the magnetic pole of one of the two magnets is towards the axis of the shaft body 100, and the magnetic pole of the other magnet is away from the axis of the shaft body 100.

In this embodiment, the magnetic sensing element 310 includes a main body 312 and a plurality of mounting portions 313 spaced along an outer circumference of the main body 312, and the coil 311 is wound on the mounting portions 313, so that a relative position between the coil 311 and the magnetic sensing element 310 can be more stable.

In this embodiment, the mounting portion 313 may be disposed in an i-shape, which is convenient for the coil 311 to be wound and is capable of limiting the coil 311, and the coil 311 is prevented from falling off from the mounting portion 313 in a direction away from the shaft body 100, so that the overall structure of the coil 311 and the magnetic sensing element 310 is more stable.

In other embodiments, the mounting portion 313 may also be disposed in a straight line to achieve the winding of the coil 311, which is not limited herein.

In the present embodiment, the maximum width of the coil 311 on the mounting portion 313 in the circumferential direction of the shaft body 100 is equal to the width of the magnet in the circumferential direction of the shaft body 100, and the maximum length of the coil 311 on the mounting portion 313 in the axial direction of the shaft body 100 is greater than or equal to the length of the magnet in the axial direction of the shaft body 100, so that the coil 311 can continuously cut the magnetic field formed by the magnet assembly 320 during the movement process relative to the magnet, thereby continuously generating the resistance force, and making the stability of the resistance force better.

In other embodiments, the maximum width of the coil 311 on the mounting portion 313 in the circumferential direction of the shaft body 100 may also be larger than the width of the magnet in the circumferential direction of the shaft body 100, which is not limited herein.

In the present embodiment, the difference between the maximum width of the coil 311 on the mounting portion 313 in the circumferential direction of the shaft body 100 and the width of the magnet in the circumferential direction of the shaft body 100 is a, and the width of the magnet in the circumferential direction of the shaft body 100 is b, where the ratio of a to b is less than or equal to 10%, for example, 10%, 8%, or 5%. When a is 0, the coil 311 can continuously cut the magnetic field formed by the magnet assembly 320 during the relative magnet movement; when a is larger than 0, two sides of the coil 311 are located in the corresponding areas of the same magnetic pole at the same time within a certain time period, the current generated on the coil 311 is 0, and the resistance is discontinuous.

In this embodiment, the number of the magnets is greater than the number of the mounting portions 313, and the difference between the number of the magnets and the number of the mounting portions 313 is a positive integer, so that the magnetic field generated by the magnets continuously acts on the coil 311, and resistance is continuously generated, and stability of the resistance is better.

In the present embodiment, all the coils 311 on the plurality of mounting portions 313 form a closed loop together. Specifically, all the coils 311 may be shorted without any other devices. In other embodiments, a switch, a resistor, and the like may be externally connected, but the closed loop in this embodiment does not include a driving device, and the like, that is, the current generated by the coil 311 in this embodiment is only used for generating an ampere force or is mainly used for generating an ampere force.

In other embodiments, a closed loop may be formed for the coil 311 on each of the mounting portions 313, or the coils 311 on at least two mounting portions 313 in the mounting portions 313 may form a closed loop together, which is not limited herein.

In this embodiment, the housing 200 is formed with an accommodating space, the accommodating space is formed with an opening (not marked in the figure) at one side of the housing 200, the magnetic induction piece 310 and the magnet assembly 320 are disposed in the accommodating space, the braking device 10 further includes a cover plate 510, the cover plate 510 is covered on the opening, which can protect the magnetic induction piece 310 and the magnet assembly 320, and make the appearance of the braking device 10 more regular.

In the present embodiment, the cover plate 510 and the shaft body 100 and the cover plate 510 and the housing 200 may be fixedly connected by screws, respectively. In other embodiments, the cover plate 510 and the housing 200 may be connected by a snap, a weld, or an adhesive, which is not limited herein.

In this embodiment, the braking device 10 may further include a first bearing 520 and a second bearing 530, the first bearing 520 is disposed between the shaft body 100 and the housing 200, the second bearing 530 is disposed between the shaft body 100 and the cover plate 510, and the first bearing 520 and the second bearing 530 are disposed to reduce friction between the shaft body 100 and the housing 200 and between the shaft body 100 and the cover plate 510, so as to support the shaft body 100 and prolong the service lives of the shaft body 100, the housing 200, and the cover plate 510.

Referring to fig. 1, 6 and 7, a second embodiment of the braking device 10 of the present application includes a shaft body 100, a housing 200, a magnetic induction mechanism 300 and an adjusting mechanism 610, wherein the magnetic induction mechanism 300 is disposed in the housing 200 and is configured to generate a resistance opposite to a rotation direction of the housing to the housing 200 through a magnetic field reaction when the housing 200 rotates or generate a resistance opposite to a rotation direction of the shaft body 100 to the shaft body 100, and the adjusting mechanism 610 is connected to the magnetic induction mechanism 300 and is configured to adjust a magnitude of the resistance, wherein the magnetic induction mechanism 300 includes a magnetic induction member 310 and a magnet assembly 320, and the shaft body 100, the housing 200, the magnetic induction member 310 and the magnet assembly 320 are configured as in the first embodiment of the braking device 10, which is not described herein again, and the resistance is automatically adjusted by providing the adjusting mechanism 610, so that an application range of the braking device 10 can be wider and the braking device can be more intelligent.

Referring to fig. 8 to 12, in this embodiment, the adjusting mechanism 610 includes an adjusting part 611 and at least one resistor 612, the adjusting part 611 is electrically connected to the magnetic induction mechanism 300 and is provided with a first connecting portion 6111, two ends of the at least one resistor 612 are respectively provided with at least two second connecting portions 6121, and the adjusting part 611 can move relative to the resistor 612, so that the first connecting portion 6111 can be electrically connected to one of the at least two second connecting portions 6121, and the magnetic induction mechanism 300 is connected to loads with different resistance values, thereby implementing adjustment of the resistance.

In this embodiment, the braking device 10 further includes a first supporting tube 613, at least one resistor 612 is disposed on the first supporting tube 613, the adjusting member 611 is annularly disposed and can rotate relative to the first supporting tube 613, the first connecting portion 6111 is a groove formed on the outer periphery of the adjusting member 611, the outer peripheral surface of the adjusting member 611 except the groove is disposed in an insulating manner, the groove is disposed in a conductive manner, the second connecting portion 6121 includes an abutting member 6122 and a first elastic member 6123, the abutting member 6122 is electrically connected to the resistor 612, the first elastic member 6123 is configured to provide elastic force to the abutting member 6122 so that the abutting member 6122 abuts against the outer periphery of the adjusting member 611, so that when the first connecting portion 6111 rotates to be opposite to the second connecting portion 6121, the abutting member 6122 can abut against the first connecting portion 6111, and further the abutting member 6122 can be electrically connected to the first connecting portion 6111.

In this embodiment, an annular groove 6112 is formed on the outer periphery of the adjusting member 611, the first connecting portion 6111 is recessed relative to the annular groove 6112, and the end of the abutting member 6122 is arranged in an arc-shaped protrusion manner, so that at least a portion of the abutting member 6122 is embedded into the annular groove 6112, and the abutting member 6122 can be limited in the axial direction of the first support tube 613, thereby preventing the abutting member 6122 from being separated from the adjusting member 611 and improving the reliability of the braking device 10.

In this embodiment, the braking device 10 further includes a second supporting tube 614 and a knob 615 connected to the second supporting tube 614, the second supporting tube 614 is nested with the first supporting tube 613, the adjusting member 611 is disposed on the second supporting tube 614, so that the adjusting member 611 can rotate along with the knob 615, so that the knob 615 can be rotated under force, and further the adjusting member 611 is driven to rotate to realize adjustment, the adjustment of the adjusting mechanism 610 is realized by setting the knob 615, so that the adjusting operation is more convenient, and the occupied space of the knob 615 is smaller, so that the overall structure of the adjusting mechanism 610 is more compact.

Referring to fig. 13, in this embodiment, the braking device 10 further includes a housing 616, the adjusting member 611 and the resistor 612 are disposed in the housing 616, an opening 6161 is formed at one end of the housing 616 away from the knob 165, the opening 6161 is disposed in a polygon shape, a limiting member 6141 and a second elastic member 6142 are disposed at one end of the second supporting tube 614 away from the knob 615, and the second elastic member 6142 is configured to provide an elastic force to the limiting member 6141, so that the limiting member 6141 can abut against the housing 616 during the rotation of the second supporting tube 614.

Specifically, in this embodiment, the opening 6161 includes a plurality of receiving openings 6162 arranged at intervals along the circumferential direction of the first supporting tube 613, when the limiting member 6141 rotates to the receiving openings 6162, the compression distance of the second elastic member 6142 is 0, so that the limiting member 6141 is spaced from the housing 616, or the limiting member 6141 abuts against the housing 616 but the acting force acting on the housing 616 is 0, and at this time, the first connecting portion 6111 abuts against one of the second connecting portions 6121; when the limiting member 6141 rotates to a position between the two receiving openings 6162, the limiting member 6141 abuts against the housing 616 but the acting force acting on the housing 616 is greater than 0, and at this time, the first connecting portion 6111 does not abut against one second connecting portion 6121, so that a user can sense whether the knob 615 rotates to a predetermined gear position or not in the process that the knob 615 is rotated.

In other embodiments, the adjusting member 611 may also be a slide rail arranged in a straight line or an arc, and the adjusting member 611 may slide relative to the resistor 612, so that the second connecting portion 6121 can be electrically connected to the first connecting portion 6111.

In this embodiment, the number of resistors 612 is a plurality of, a plurality of resistor groups are formed by a plurality of resistors 612, each resistor group includes at least one resistor 612, the plurality of resistor groups are arranged along the axial interval of the first supporting tube 613, the number of the adjusting members 611 is a plurality of, and is the same as the number of the resistor groups, the plurality of adjusting members 611 are arranged along the axial interval of the first supporting tube 613, and are respectively in one-to-one correspondence with the resistor groups, and can access more loads with different resistances for the magnetic induction mechanism 300, thereby making the adjustment of the resistance more flexible, wider in range, and better in adaptability.

Referring to fig. 14, for example, in the present embodiment, the number of the resistor groups is three, which is used for being connected to three wires of the magnetic induction mechanism 300, each resistor group includes four resistors 612, the four resistors 612 are located on the same plane perpendicular to the axial direction of the first supporting tube 613, the four resistors 612 in each resistor group are connected in series, one ends of the three resistor groups are connected to each other, second connecting portions 6121 are respectively disposed between each resistor 612 and the other end of the resistor group, and the corresponding multiple gears, for example, the first gear can be connected to the three resistors 612, and the second gear can be connected to the six resistors 612.

In other embodiments, the magnetic induction mechanism 300 may also directly lead out two wires to be connected with the adjustment mechanism 610, or the magnetic induction mechanism 300 may also lead out two or three wires to be connected with the adjustment mechanism 610 through two wires after passing through a rectification mechanism (not shown), which is not limited herein.

Referring to fig. 1, 15 to 17, a third embodiment of the braking device 10 of the present application includes a shaft 100, a housing 200, a magnetic induction mechanism 300, and an adjusting mechanism 620, and the structures of the shaft 100, the housing 200, and the magnetic induction mechanism 300 are referred to the second embodiment of the braking device 10, which is not described herein again, and the adjusting mechanism 620 is connected to the magnetic induction mechanism 300 for adjusting the magnitude of the resistance.

In this embodiment, the adjusting mechanism 620 includes an adjusting element and at least one resistor 622, the adjusting element includes at least one key 621, the key 621 is provided with a conductive connection portion 6211, the braking device 10 further includes a first connection portion 6221 and a second connection portion 6222 that are disposed at an interval, the first connection portion 6221 is electrically connected to one end of the magnetic induction mechanism 300 through the resistor 622, the second connection portion 6222 is electrically connected to the other end of the magnetic induction mechanism 300, the key 621 can be pressed down, so that the conductive connection portion 6211 conducts the first connection portion 6221 and the second connection portion 6222, and then the corresponding resistor 622 can be connected to the magnetic induction mechanism 300 as a load, so as to change the resistance, the adjusting mechanism 620 is adjusted through the key 621, so that the adjusted touch feeling is more obvious, and the gear position adjustment is more reliable.

In other embodiments, one end of the resistor 622 may be connected to one end of the magnetic induction mechanism 300 through the first connection portion 6221, the other end of the resistor 622 is connected to the other end of the magnetic induction mechanism 300 through the second connection portion 6222, and the key 621 can be pressed down to enable the conduction connection portion 6211 to conduct the first connection portion 6221 and the second connection portion 6222, so that the resistor 622 can be shorted, the load connected to the magnetic induction mechanism 300 can be changed, and the resistance can be changed.

In this embodiment, the adjusting member includes at least two keys 621, the key 621 is provided with a conductive connection portion 6211, the number of the first connection portion 6221 and the second connection portion 6222 is at least two, and the two first connection portions 6221 are respectively connected to two ends of the at least one resistor 622, so that when one of the at least two keys 621 is pressed, the conductive connection portion 6211 can conduct one of the at least two first connection portions 6221 and the second connection portion 6222, and then can connect the corresponding resistor 622 as a load with the magnetic induction mechanism 300, thereby realizing a change in resistance.

In this embodiment, at least two keys 621 may be arranged at intervals along a straight line. In other embodiments, the at least two keys 621 may be arranged along a curve or other line, which is not limited herein.

Referring to fig. 18 and 19 together, in this embodiment, the adjusting mechanism 620 may further include a resilient component, and the resilient component may act on at least two keys 621 respectively, so that when one key 621 of the at least two keys 621 is pressed, other keys 621 may be sprung up, so that the number of the connected resistors 622 is the corresponding gear, no interference occurs between the gears, the circuit is not prone to short-circuit, and the reliability and the safety are higher.

In this embodiment, the key 621 includes a key main body 6212 and a button 6213 disposed at one end of the key main body 6212, the guiding portion 6211 is disposed at the other end of the key main body 6212, the resilient assembly may include a bearing plate 623 and a first limiting plate 624, an inverted L-shaped or inverted L-like first limiting groove 6241 is formed on the first limiting plate 624, the first limiting plate 624 includes a limiting portion 6242 corresponding to the first limiting groove 6241, a first elastic member 6244 is disposed between the bearing plate 623 and the first limiting plate 624, a limiting block 6214 is further disposed on the key main body 6212, a second elastic member 6215 is sleeved outside the key main body 6212, and specifically, when the key 621 is not pressed, the limiting block 6214 is located above the limiting portion 6242; when the button 621 is pressed down, the second elastic member 6215 is compressed to deform, the stopper 6214 acts on the stopper portion 6242, so that the first elastic member 6244 deforms, the first stopper 624 slides relative to the bearing plate 623 (for example, slides leftward in fig. 23), so that the stopper 6214 can extend into the first stopper groove 6241, after the first stopper 624 reaches the bottom of the first stopper groove 6241, the first stopper 624 slides relative to the bearing plate 623 (for example, slides rightward in fig. 23) under the action of the first elastic member 6244, and the stopper 6214 is limited below the stopper portion 6242; when another key 621 is pressed down, the first limiting plate 624 slides relative to the bearing plate 623 again (for example, slides leftwards in fig. 23), the limiting blocks 6214 of the limited key 621 disengage from the corresponding limiting parts 6242, and the key 621 can rebound under the action of the second elastic member 6215.

In this embodiment, the inclined surface 6243 is disposed on the first limiting plate 624 corresponding to the first limiting groove 6241, and the inclined surface 6243 can be used to guide the limiting block 6214, so that the limiting block 6214 slides down along the inclined surface 6243 to be clamped into the first limiting groove 6241, and the process of pressing the key 621 can be smoother.

In this embodiment, an accommodating groove 6245 is further formed on the first stopper plate 624, the supporting plate 623 is provided with an abutting column 6231, the first elastic member 6244 and the abutting column 6231 are accommodated in the accommodating groove 6245, and the abutting column 6231 is configured to abut against the first elastic member 6244, so that the structure and position of the first elastic member 6244 are more stable in the compression process.

Referring to fig. 20, in another embodiment, the first elastic element 6246 may be further disposed at one end of the first limiting plate 624 and abut against the inner wall of the bearing plate 623 to provide an elastic force to the first limiting plate 624, so that the structure is simpler and the manufacturing is facilitated.

In this embodiment, a second limiting groove 6232 may be further formed on the bearing plate 623, and the limiting block 6214 can be accommodated in the second limiting groove 6232, so as to limit the position of the key 621 along a vertical plane (a horizontal plane shown in fig. 20) of the pressed direction. For example, the second stopper groove 6232 may realize the stopper of the key 621 in the extending direction (the left-right direction shown in fig. 20) of the bearing plate 623.

In this embodiment, the key body 6212 is disposed in a cylindrical shape, and the second limiting groove 6232 can further limit the rotation of the key body 6212, so as to prevent the rotation of the key body 6212 from causing the limiting block 6214 to be staggered from the corresponding first limiting groove 6241, and further prevent the limiting block 6214 from being pressed into the first limiting groove 6241, thereby improving the reliability of the resilient assembly.

In other embodiments, a corresponding limiting groove and a corresponding limiting protrusion (not shown in the figures) may be further disposed on the key housing 626 carrying the key body 6212 and the key body 6212, respectively, so as to limit the position of the key 621 along a vertical plane of the pressed direction.

In other embodiments, the key body 6212 can be directly configured as a rectangular or other shaped post to prevent the key body 6212 from rotating, without limitation.

Referring to fig. 20, in another specific embodiment, the resilient assembly may further include a plurality of second limiting plates 625, the plurality of second limiting plates 625 are sequentially arranged along the extending direction of the first limiting plate 624, and a third limiting groove 6251 may be formed between two adjacent second limiting plates 625 to limit the position of the key 621 along a vertical plane of the pressed direction. Specifically, after the key 621 is pressed down, the limiting block 6214 acts on the two adjacent second limiting plates 625 to push the two adjacent second limiting plates 625 away from the two sides of the limiting block 6214, and the other second limiting plates 625 are close to and abutted against each other to form a third limiting groove 6251 for accommodating the limiting block 6214, so that the limiting block 6214 is limited.

In this embodiment, the inclined surface 6252 may be formed on the second limiting plate 625, and the inclined surface 6252 may be used to guide the limiting block 6214, so that the limiting block 6214 slides down along the inclined surface 6252 to be clamped into the third limiting groove 6251, thereby enabling the process of pressing the key 621 to be smoother.

Referring to fig. 21, in other embodiments, the number of the resistors 622 may be multiple, the resistors 622 form multiple resistor groups, each resistor group includes at least one resistor 622, the multiple resistor groups are arranged at intervals along a direction perpendicular to an extending direction of the first limiting plate 624, and the conducting portion 6211 can conduct each corresponding resistor 622 in the multiple resistor groups, so that the corresponding resistor 622 can be connected to the magnetic induction mechanism 300 as a load, and a change in resistance is achieved.

Referring to fig. 1, 22 to 24, a fourth embodiment of the braking device 10 of the present application includes a shaft 100, a housing 200, a magnetic induction mechanism 300, and an adjusting mechanism 630, and the structures of the shaft 100, the housing 200, and the magnetic induction mechanism 300 are referred to the second embodiment of the braking device 10, which is not described herein again, and the adjusting mechanism 630 is connected to the magnetic induction mechanism 300 for adjusting the magnitude of the resistance.

In the present embodiment, the adjusting mechanism 630 includes a resistor main body 631, an abutting member 632 in sliding contact with the resistor main body 631, and an adjusting member 633 connected to the abutting member 632, the resistor main body 631 and the adjusting member 633 are electrically connected to the magnetic induction mechanism 300, and the integrated resistor main body 631 is provided and slidably abuts against the resistor main body 631 through the abutting member 632, so as to implement the stepless adjustment of the resistance value of the resistor main body 631, and further implement the stepless adjustment of the resistance, thereby further expanding the application range of the braking apparatus 10.

In this embodiment, the braking device 10 further includes a support 634, the resistor main body 631 is disposed on the support 634, the support 634 is formed with an opening 6341 for a wire connecting the resistor main body 631 and the magnetic induction mechanism 300 to pass through, so as to prevent the wire from interfering with the resistor main body 631 or even causing a short circuit, and improve the safety of the braking device 10.

In this embodiment, the braking device 10 further includes a limiting member 635, where the limiting member 635 is disposed corresponding to the opening 6341 and is used for limiting the abutting member 632, so that the abutting member 632 can keep abutting against the resistor main body 631, and thus the problem of circuit disconnection and the like caused by the disengagement from the resistor main body 631 is avoided, and the reliability of the braking device 10 is improved.

In this embodiment, the supporting member 634 may be in a tubular shape, the resistor main body 631 is in a fan-shaped annular shape, and the resistor main body 631 is wound on the supporting member 634, so that the adjusting mechanism 630 is compact and occupies a small space.

In the present embodiment, the contact member 632 is an elastic piece and can elastically contact with the resistor main body 631, so that the contact member 632 can be held in contact with the resistor main body 631 and is not easily detached.

In this embodiment, the abutting part 632 extends along the circumferential direction of the supporting part 634, which is more beneficial for the abutting part 632 to keep abutting against the main resistor 631 during the rotation process of the main resistor 631, so that the reliability is higher, and the abutting part 632 is more convenient to rotate relative to the main resistor 631.

In this embodiment, the adjusting element 633 may include a knob, the knob is disposed at one end of the supporting element 634 and can rotate relative to the supporting element 634 to drive the abutting element 632 to slide relative to the resistor main body 631, so as to adjust the resistance of the resistor connected to the magnetic induction mechanism 300, and the adjusting mechanism 630 is adjusted by setting the knob, so that the adjusting operation is more convenient, and the occupied space of the knob is smaller, so that the overall structure of the adjusting mechanism 630 is more compact.

In this embodiment, the braking device 10 further includes a housing 636, the housing 636 is sleeved outside the supporting member 634, the knob is disposed on the housing 636, a through hole 6361 is formed on an end surface of the housing 636 provided with the knob, and the knob is connected to the abutting member 632 through a connecting member 637 penetrating through the hole 6361, so as to avoid interference between the connecting member 637 and other components, and enable the rotation process of the knob to be smoother.

In this embodiment, the braking device 10 may further include a cover (not shown) covering the housing 636, which can protect the adjusting mechanism 630 and prevent dust, and can make the appearance of the braking device 10 more regular.

Referring to fig. 25 and fig. 26, in other embodiments, the number of the resistor main bodies 631 may be multiple, for example, two, three, etc., the multiple resistor main bodies 631 are connected in parallel, and the connecting member 637 is correspondingly connected with multiple abutting members 632 for abutting against the corresponding resistor main bodies 631 respectively, so as to achieve stepless adjustment of the resistance.

Referring to fig. 1, 27 and 28, a fifth embodiment of the braking device 10 of the present application includes a shaft 100, a housing 200, a magnetic induction mechanism 300 and an adjusting mechanism 640, and the structures of the shaft 100, the housing 200 and the magnetic induction mechanism 300 are referred to the second embodiment of the braking device 10, which will not be described herein again, and the adjusting mechanism 640 is connected to the magnetic induction mechanism 300 for adjusting the magnitude of the resistance.

In this embodiment, the adjusting mechanism 640 includes a resistor main body 641, an abutting member 642 in sliding contact with the resistor main body 641, and an adjusting member 643 connected with the abutting member 642, wherein the abutting member 642 is electrically connected with one end of the magnetic induction mechanism 300, one end of the resistor main body 641 is electrically connected with one end of the magnetic induction mechanism 300, and the resistance value of the resistor main body 641 connected is steplessly adjusted by providing the resistor main body 641 integrally and by sliding contact between the abutting member 642 and the resistor main body 641, so that stepless adjustment of resistance can be realized, and the application range of the braking device 10 can be further expanded.

In other embodiments, the two ends of the resistor body 641 may be electrically connected to the two ends of the magnetic induction mechanism 300, which is not limited herein.

In this embodiment, the braking device 10 may further include a housing 644, the housing 644 is configured to form an accommodating space for accommodating the resistor main body 641, a sliding slot 6441 is formed on the housing 644, the adjusting element 643 includes a handle, the adjusting element is disposed outside the housing 644 and is connected to the abutting element 642 through a connecting rod 645 penetrating through the sliding slot 6441, so that the adjusting element 643 is forced to drive the abutting element 642 to move along the sliding slot 6441, thereby adjusting the resistance value of the resistor main body 641, the adjusting mechanism 640 is adjusted by disposing the sliding adjusting element 643, which is convenient for a user to hold, and the adjusting operation is more convenient.

In this embodiment, the abutting element 642 may be electrically connected to the magnetic induction mechanism 300 through a conductive sliding piece (not shown) disposed in the housing 644, or may be directly electrically connected to the magnetic induction mechanism 300 through a wire, which is not limited herein.

Referring to fig. 26, 29 and 30, the number of the resistor main bodies 641 may be multiple, for example, three, and the adjusting element 643 may be connected with three abutting elements 642, and each abutting element 642 abuts against the corresponding resistor main body 641, so as to achieve stepless adjustment of the resistance value.

Referring to fig. 1, 31 to 33, a sixth embodiment of the braking device 10 of the present application includes a shaft 100, a housing 200, a magnetic induction mechanism 300, and an adjusting mechanism 650, and the structures of the shaft 100, the housing 200, and the magnetic induction mechanism 300 are referred to the second embodiment of the braking device 10, which is not described herein again, and the adjusting mechanism 650 is connected to the magnetic induction mechanism 300 for adjusting the magnitude of the resistance.

In the present embodiment, the adjusting mechanism 650 includes a resistor main body 651, an abutting member 652 for abutting against the resistor main body 651, and an adjusting member connected to the abutting member 652, the abutting member 652 is electrically connected to one end of the magnetic induction mechanism 300, one end of the resistor main body 651 is electrically connected to one end of the magnetic induction mechanism 300, compared with the mode of arranging a plurality of resistors and conducting through contact, the uninterrupted arc-shaped contact can be arranged on the periphery of the resistor main body 651 in the embodiment by arranging the resistor main body 651 integrally and changing the resistance value accessed by the resistor main body 651 through the mode of abutting the abutting piece 652 with the resistor main body 651, the abutting area of the abutting piece 652 and the resistor main body 651 is larger, the reliability is higher, and the subsequent change of the resistance value accessed by the resistor main body 651 is facilitated, for example, the resistance value accessed by the resistor main body 651 can be changed by changing the position of the abutting part 652 and the resistor main body 651.

In other embodiments, the resistor main body 651 may also have two ends electrically connected to two ends of the magnetic induction mechanism 300, respectively, and is not limited herein.

In this embodiment, the adjusting member includes at least one key 653, the at least one key 653 is connected to the corresponding abutment member 652, the abutment member 652 is electrically connected to one end of the magnetic induction mechanism 300, one end of the resistor main body 651 is electrically connected to one end of the magnetic induction mechanism 300, so that when the at least one key 653 is pressed, the abutment member 652 can be conducted with the resistor main body 651, and further at least a portion of the corresponding resistor main body 651 is electrically connected to the magnetic induction mechanism 300 as a load, so as to change the resistance, and the adjustment of the adjusting mechanism 650 is realized by setting the key 653, so that the adjusting touch feeling is more obvious, and the gear adjustment is more reliable.

In other embodiments, both ends of the resistor main body 651 may be electrically connected to both ends of the magnetic induction mechanism 300, respectively, and are not limited herein.

In this embodiment, the braking device 10 further includes a support 654, the support 654 is disposed in a tubular shape, the resistor main body 651 is disposed in a sector-shaped ring shape, and the resistor main body 651 is disposed around the support 654, so that the adjusting mechanism 650 is compact in structure and occupies a small space.

In the present embodiment, the support 654 is formed with an opening 6541 for passing a lead connecting the resistor main body 651 and the magnetic induction mechanism 300, so that interference between the lead and the resistor main body 651 and even short circuit can be avoided, and the safety of the brake apparatus 10 can be improved.

In this embodiment, the adjusting mechanism 650 further includes a resilient assembly, the resilient assembly includes a first limiting plate 655 disposed on the supporting member 654, and the first limiting groove 6551 on the first limiting plate 655, a first elastic member 6552 between the supporting member 654 and the first limiting plate 655, a limiting block 6531 disposed on the key 653, and a second elastic member 6532 sleeved on the key 653 realize limiting and resilient of the key 653.

Referring to fig. 34, in other embodiments, the number of the resistor main bodies 651 may be multiple, for example, three, and the like, and multiple abutting pieces 652 are correspondingly connected to the key 653, and are used for abutting against the corresponding resistor main bodies 651 respectively, so as to achieve adjustment of the resistance.

Referring to fig. 1, 35 and 36, a seventh embodiment of the braking device 10 of the present application includes a shaft body 100, a housing 200, a magnetic induction mechanism 300 and an adjusting mechanism 660, and the structures of the shaft body 100, the housing 200 and the magnetic induction mechanism 300 are referred to the second embodiment of the braking device 10, which is not described herein again, and the adjusting mechanism 660 is connected to the magnetic induction mechanism 300 for adjusting the magnitude of the resistance.

In this embodiment, the adjusting mechanism 660 includes a resistor main body 661, an abutting member 662 abutting against the resistor main body 661, and an adjusting member connected to the abutting member 662, the abutting member 662 is electrically connected to one end of the magnetic induction mechanism 300, one end of the resistor main body 661 is electrically connected to one end of the magnetic induction mechanism 300, the resistance value accessed by the resistor main body 661 is changed by providing the integral resistor main body 661 and abutting against the resistor main body 661 through the abutting member 662, the abutting area of the abutting member 662 and the resistor main body 661 is larger, the reliability is higher, and it is convenient to change the resistance value accessed by the resistor main body 661 later, for example, the resistance value accessed by the resistor main body 661 can be changed by changing the position of the abutting portion 661 where the abutting member 662 and the resistor main body 661 abuts.

In this embodiment, the adjusting member includes at least two buttons 663, the at least two buttons 663 are respectively connected with the corresponding abutting member 662, the at least two buttons 663 are respectively provided with a guiding portion 6631, the braking device further includes a connecting portion 6611, the connecting portion 6611 is electrically connected with one end of the magnetic induction mechanism 300, the resistor main body 661 is electrically connected with one end of the magnetic induction mechanism 300 so that when one of the at least two buttons 663 is pressed, the guiding portion 6631 can be conducted with the connecting portion 6611, the adjustment of the adjusting mechanism 660 is realized by the arrangement of the buttons 663, the adjusted touch feeling is more obvious, and the gear adjustment is more reliable.

In other embodiments, the two ends of the resistor main body 661 can be electrically connected to the two ends of the magnetic induction mechanism 300, respectively, without limitation.

In this embodiment, the at least two buttons 663 may be arranged at intervals along a straight line, and the resistor main body 661 is arranged linearly. In other embodiments, the at least two keys 663 may also be arranged along a curve or other line, which is not limited herein.

In other embodiments, the adjusting member may include only one button 663, the button 663 is provided with a guiding portion 6631, the braking device 10 further includes a connecting portion 6611, the connecting portion 6631 is electrically connected to one end of the magnetic induction mechanism 300, and two ends of the resistor main body 661 are electrically connected to two ends of the magnetic induction mechanism 300 respectively, so that when at least one button 663 is pressed, the guiding portion 6631 can be conducted with the connecting portion 6631, and then at least a portion of the corresponding resistor main body 661 can be connected to the magnetic induction mechanism 300 as a load, thereby realizing the change of the resistance.

In this embodiment, the braking device 10 may further include a resilient assembly, and the resilient assembly may act on the at least two buttons 663 respectively, so that when one button 663 of the at least two buttons 663 is pressed, the other buttons 663 can be bounced. The resilient assembly may include a bearing plate 664 and a first limiting plate 665, and the specific structure of the resilient assembly is as described in the third embodiment of the braking device 10, which is not described herein again.

Referring to fig. 37, in other embodiments, the number of the resistor main bodies 661 may be multiple, for example, three, the multiple resistor main bodies 661 are arranged at intervals, and the buttons 663 are correspondingly connected with multiple abutment members 662 for respectively abutting against the corresponding resistor main bodies 661 to achieve the adjustment of the resistance value.

Referring to fig. 1, 38 and 39, an eighth embodiment of the braking device 10 of the present application includes a shaft body 100, a housing 200, a magnetic induction mechanism 300 and an adjusting mechanism 670, and the structures of the shaft body 100, the housing 200 and the magnetic induction mechanism 300 are referred to the second embodiment of the braking device 10, which is not described herein again, and the adjusting mechanism 670 is connected to the magnetic induction mechanism 300 for adjusting the magnitude of the resistance.

In this embodiment, the adjusting mechanism 670 may include a sensing resistor 671, two ends of the sensing resistor 671 are electrically connected to two ends of the magnetic sensing mechanism 300, the sensing resistor 671 may be a piezoresistor, a photoresistor, a humidity-sensitive resistor, a magnetoresistor, a force-sensitive resistor, or the like, and can change a resistance value according to a change of a received voltage, light, humidity, magnetic field strength, or force, thereby implementing a change of resistance, the adjusting mechanism 670 is adjusted by setting the sensing resistor 671, such that the structure of the adjusting mechanism 670 is simpler, easy to manufacture, and occupies a smaller space, such that the structure of the braking device 10 is more compact.

In this embodiment, the adjusting mechanism 670 further includes a housing 672, and a heat dissipation hole 6721 is formed on the housing 672 for dissipating heat of the sensitive resistor 671, so as to avoid the problem of unstable resistance of the sensitive resistor 671 caused by over-high temperature.

In this embodiment, the sensing resistor 671 may be a force-sensitive resistor, and a pressing plate 6722 having a certain elasticity may be formed between the heat dissipation holes 6721, so that the pressing plate 6722 can be deformed by receiving a force to transmit the force to the sensing resistor 671, thereby adjusting the resistance of the sensing resistor 671.

Referring to fig. 1 and 40, a ninth embodiment of the braking device 10 of the present application includes a shaft body 100, a housing 200, a magnetic induction mechanism 300, a rectification mechanism 700, and an adjustment mechanism 680, and structures of the shaft body 100, the housing 200, and the magnetic induction mechanism 300 refer to the second embodiment of the braking device 10, which is not described herein again, the rectification mechanism 700 is electrically connected to the magnetic induction mechanism 300 and is used for rectifying current of the magnetic induction mechanism 300, the adjustment mechanism 680 is connected to the magnetic induction mechanism 300 and is used for adjusting a magnitude of resistance, and by providing the rectification mechanism 700, a multi-wire output of the magnetic induction mechanism 300 can be rectified, so that a structure of the adjustment mechanism 680 can be simplified, and the braking device 10 is simpler and more compact in overall structure and occupies a smaller space.

In this embodiment, the magnetic induction mechanism 300 leads out at least two wires, the rectifying mechanism 700 is electrically connected to the at least two wires to rectify current on the at least two wires, a first end of the rectifying mechanism 700 is electrically connected to a first end of the adjusting mechanism 680, and a second end of the rectifying mechanism 700 is electrically connected to a second end of the adjusting mechanism 680, so as to deliver the rectified current to the adjusting mechanism 680, thereby adjusting a resistance value of the rectifying mechanism 700 by the adjusting mechanism 680.

In this embodiment, the rectifying mechanism 700 may include two first diodes 710 and two second diodes 720, first ends of the two first diodes 710 are electrically connected to each other and to a first end of the adjusting mechanism 680, second ends of the two first diodes 710 are electrically connected to two wires, respectively, first ends of the two second diodes 720 are electrically connected to two wires, respectively, and second ends of the two second diodes 720 are electrically connected to each other and to a second end of the adjusting mechanism 680, so as to achieve rectification of the current output by the magnetic induction mechanism 300, for example, rectification of the alternating current output by the magnetic induction mechanism 300 into a direct current, which can make the adjusting process of the adjusting mechanism 680 more stable.

Referring to fig. 41 and 42, in another embodiment, the rectifying mechanism 700 may further include three first diodes 710 and three second diodes 720, first ends of the three first diodes 710 are electrically connected to each other and to a first end of the adjusting mechanism 680, second ends of the three first diodes 710 are electrically connected to three wires, first ends of the three second diodes 720 are electrically connected to three wires, and second ends of the three second diodes 720 are electrically connected to each other and to a second end of the adjusting mechanism 680, so that the current output by the magnetic induction mechanism 300 can be rectified, for example, the three-phase output of the magnetic induction mechanism 300 is rectified into two-phase output, and the adjustment can be realized by one resistor, and the structure of the adjusting mechanism 680 can be simplified.

In other embodiments, the rectifying mechanism 70 may further include more than three first diodes 710 and second diodes 720 to rectify the output of the magnetic induction mechanism 300 with more than three phases, which is not limited herein.

In this embodiment, the adjusting mechanism 680 includes a sensing resistor, a first end of the rectifying mechanism 700 is connected to a first end of the sensing resistor, a second end of the rectifying mechanism 700 is connected to a second end of the sensing resistor, the sensing resistor can change a resistance value, so as to change a resistance, and the adjusting mechanism 680 is adjusted by setting the sensing resistor.

In other embodiments, the adjustment mechanism 680 may further include an adjustment element and a resistor, such as the second and third embodiments of the braking device 10 described above; alternatively, the adjusting mechanism 680 may further include a resistor main body, an abutting member slidably abutting against the resistor main body, and an adjusting member connected to the abutting member, for example, the fourth, fifth, sixth, and seventh embodiments of the braking device 10 described above, which are not described again.

Referring to fig. 1, 43 and 44, a tenth embodiment of a braking device 10 of the present application includes a shaft 100, a housing 200, a magnetic induction mechanism 300, an adjusting mechanism 690, a control mechanism 810 and a power storage mechanism 820, and the structures of the shaft 100, the housing 200 and the magnetic induction mechanism 300 are referred to the first embodiment of the braking device 10, which are not described herein again, the adjusting mechanism 690 is connected to the magnetic induction mechanism 300 for adjusting the magnitude of the resistance, the control mechanism 810 is respectively connected to the adjusting mechanism 690 and the power storage mechanism 820, the control mechanism 810 is configured to control the adjusting mechanism 690 to adjust the resistance and can supply current to the power storage mechanism 820 for storage when the current is greater than or equal to the current threshold, automatic adjustment of the adjusting mechanism 690 can be achieved by setting the control mechanism 810, the intelligence degree of the braking device 10 is further improved, the application range of the braking device 10 is wider, and the power storage mechanism 820 is used to store electric quantity, when the amount of electricity supplied from the magnetic induction mechanism 300 is insufficient, the control mechanism 810 can be supplied with current, so that the brake device 10 has higher reliability and better safety.

In this embodiment, a housing 691 may be further provided, and the adjusting mechanism 690, the control mechanism 810, and the power storage mechanism 820 may be provided inside the housing 691.

In this embodiment, the control mechanism 810 includes a main controller 811 and a power controller 812, the main controller 811 is connected to the adjusting mechanism 690, the power controller 812 is connected to the main controller 811 and is respectively connected to the magnetic induction mechanism 300 and the power storage mechanism 820, and the power controller 812 is configured to receive the current provided by the magnetic induction mechanism 300 and transmit at least a portion of the current to the main controller 811, so as to maintain normal operation of the main controller 811, and transmit another portion of the current to the power storage mechanism 820 when the current is greater than or equal to a current threshold, so as to achieve storage of electric quantity.

In this embodiment, the braking device 10 may further include a speed detection mechanism (not shown in the figure), the speed detection mechanism is connected to the control mechanism 810 through a wire 813, the speed detection mechanism is used for detecting the rotation speed of the housing 200, and the control mechanism 810 is used for controlling the adjusting mechanism 690 to adjust the resistance according to the rotation speed, so that the braking device 10 can be more intelligent.

In the present embodiment, the speed detection means may be provided on the housing 200 or on the brake device 10, and the speed detection means may be a pressure sensor, an image sensor, a photoelectric sensor, or the like, and can detect the rotation speed of the housing 200 from the received pressure level, a picture, a video, light, or the like.

In this embodiment, the adjusting mechanism 690 may include a resistor main body and an abutting member (not shown) slidably abutting against the resistor main body, the first end of the magnetic induction mechanism 300 is connected to the first end of the resistor main body, and the second end of the magnetic induction mechanism 300 is connected to the abutting member; or the second end of the magnetic induction mechanism 300 is connected with the abutting piece and the second end of the resistor main body, and the control mechanism 810 controls the abutting piece to slide relative to the resistor main body so as to change the resistance value of the resistor main body connected to the magnetic induction mechanism 300. Specifically, the structure of the adjusting mechanism 690 can be referred to the fourth embodiment, the fifth embodiment, the sixth embodiment, and the seventh embodiment of the braking device 10, and will not be described again.

In other embodiments, the adjusting mechanism 690 may further include at least one resistor and an adjusting member, a first end of the at least one resistor is connected to the first end of the magnetic sensing mechanism 300, the adjusting member is connected to the second end of the magnetic sensing mechanism 300, and the control mechanism 810 controls the adjusting member to be connected to the first end or the second end of the at least one resistor, so as to change the total resistance value of the resistors connected to the magnetic sensing mechanism 300. Specifically, the structure of the adjusting mechanism 690 can be referred to the second embodiment and the third embodiment of the braking device 10, and will not be described herein again.

In other embodiments, the adjusting mechanism 690 may further include a sensing resistor and an adjusting element (not shown), two ends of the magnetic sensing mechanism 300 are respectively connected to two ends of the sensing resistor, and the control mechanism 810 controls the adjusting element to change the resistance value of the sensing resistor connected to the magnetic sensing mechanism 300.

Referring to fig. 45 and 46, in other embodiments, the braking device 10 may further include a rectifying mechanism 700, and the rectifying mechanism 700 is connected to the magnetic induction mechanism 300 and the adjusting mechanism 690 respectively, and is used for rectifying the current output by the magnetic induction mechanism 300. The structure of the rectifying mechanism 700 is referred to the ninth embodiment of the braking device 10, and is not described herein again.

In the present embodiment, the rectifying mechanism 700 rectifies at least two lead wires led from the magnetic induction mechanism 300, and then leads out the two lead wires to be electrically connected to both ends of the adjusting mechanism 690. In other embodiments, instead of the rectifying mechanism 700, three sets of resistors, resistor bodies, or sensitive resistors may be directly disposed on the adjusting mechanism 690 to be electrically connected to the three wires led out from the magnetic sensing mechanism 300, for details, refer to the above-mentioned embodiment of the braking device 10, and are not described herein again.

Referring to fig. 1, 2 and 47, an eleventh embodiment of the brake apparatus 10 of the present application includes a shaft 100, a housing 200, a magnetic induction member 310 and a magnet assembly 320, wherein the housing 200 is disposed outside the shaft 100 and coaxial with the shaft 100, the housing 200 is capable of rotating relative to the shaft 100, a coil 311 is wound on the magnetic induction member 310, and the magnet assembly 320 includes a plurality of magnets spaced apart from each other along a circumferential direction of the shaft 100, one of the magnetic induction member 310 and the magnet assembly 320 is connected to the shaft 100, the other is connected to the housing 200, and the magnetic induction member 310 and/or the magnet assembly 320 is detachably connected to the shaft 100 or the housing 200, such that when the housing 200 rotates relative to the shaft 100, the coil 311 is capable of cutting a magnetic field formed by the magnet assembly 320, thereby generating a resistance force opposite to a rotation direction of the housing 200 or the shaft 100, and the magnitude of the resistance force can be changed by replacing the magnetic induction member 310 and/or the magnet assembly 320, and further can adapt to the demands of different users and different environments, so that the application range of the braking device 10 is wider.

In this embodiment, the braking device 10 further includes a carrier 330, the carrier 330 is detachably connected to the inner side of the casing 200, a plurality of mounting slots 331 are formed on the inner side of the carrier 330, a plurality of magnets of the magnet assembly 320 are respectively disposed in the plurality of mounting slots 331, and by replacing the carrier 330 and the magnet assembly 320 carried on the carrier 330, the number, size and arrangement structure of the magnets in the magnet assembly 320 can be changed to change the magnetic field generated by the magnet assembly 320, and further change the resistance generated by the interaction between the magnetic sensing member 310 and the magnet assembly 320, thereby realizing the adjustment of the resistance.

In this embodiment, the bearing member 330 is provided with a first limiting portion, the housing 200 is provided with a second limiting portion, the first limiting portion and the second limiting portion are matched to limit the bearing member 330, the rotation of the bearing member 330 relative to the housing 200 in the rotating process of the housing 200 can be avoided, the magnetic field generated by the magnet assembly 320 is more stable, and the resistance generated by the interaction between the magnetic sensing member 310 and the magnet assembly 320 is more stable.

In this embodiment, the first limiting portion may be a limiting groove 332, the second limiting portion may be a limiting protrusion 210, and the limiting protrusion 210 and the limiting groove 332 extend along the axial direction of the casing 200 to limit the bearing member 330 along the circumferential direction of the shaft body 100.

In other embodiments, the first position-limiting portion may also be a position-limiting protrusion, and the second position-limiting portion may be a corresponding position-limiting groove, which is not limited herein.

In this embodiment, the braking device 10 may further include a fixing ring 340, where the fixing ring 340 is disposed at one end of the carrier 330 in a covering manner, and is used for clamping the magnet assembly 320 in the mounting groove 331, so as to limit the position of the magnet assembly 320 in the axial direction of the shaft body 100, and prevent the magnet of the magnet assembly 320 from falling off from the mounting groove 331.

Referring to fig. 1, 2 and 48, a twelfth embodiment of the braking device 10 of the present application includes a shaft 100, a housing 200, a magnetic sensing element 310 and a magnetic sensing element 320, wherein the housing 200 is disposed outside the shaft 100 and coaxial with the shaft 100, the housing 200 is capable of rotating relative to the shaft 100, a coil 311 is wound on the magnetic sensing element 310, the magnetic sensing element 320 includes a plurality of magnets disposed at intervals along a circumferential direction of the shaft 100, one of the magnetic sensing element 310 and the magnetic element 320 is connected to the shaft 100, the other one of the magnetic sensing element 310 and the magnetic element 320 is connected to the housing 200, and the magnetic sensing element 310 and/or the magnetic element 320 is detachably connected to the shaft 100 or the housing 200, such that when the housing 200 rotates relative to the shaft 100, the coil 311 is capable of cutting a magnetic field formed by the magnetic element 320, thereby generating a resistance force opposite to a rotation direction of the housing 200, and changing a magnitude of the resistance force by replacing the magnetic sensing element 310 and/or the magnetic element 320, and further can adapt to the demands of different users and different environments, so that the application range of the braking device 10 is wider.

In this embodiment, the braking device 10 further includes a fixing element 110, the fixing element 110 is fixedly disposed on the shaft body 100, and the magnetic induction element 310 is detachably connected to the fixing element 110, so that the magnetic induction element 310 can be detached from the shaft body 100 for replacement, and the number, size and arrangement structure of the magnets in the magnet assembly 320 can be changed to change the magnetic field generated by the magnet assembly 320, and further change the resistance generated by the interaction between the magnetic induction element 310 and the magnet assembly 320, thereby implementing the adjustment of the resistance.

In this embodiment, the fixing member 110 is provided with the first connecting portion, the magnetic induction member 310 is provided with the second connecting portion, and the first connecting portion and the second connecting portion are matched to connect the fixing member 110 and the magnetic induction member 310, so that the rotation of the magnetic induction member 310 relative to the shaft body 100 in the rotating process of the casing 200 can be avoided, the interaction between the magnetic induction member 310 and the magnet assembly 320 is more stable, and the generated resistance is more stable.

Referring to fig. 49, in the embodiment, the first connection portion may be a connection groove 111, the second connection portion may be a connection protrusion 314, a first connection hole 315 is formed on the connection protrusion 314, and a second connection hole 112 is formed on the connection groove 111, so that the connection protrusion 314 and the connection groove 111 can be fixed by a connection member (not shown) penetrating through the first connection hole 315 and the second connection hole 112 after being connected in a matching manner.

In this embodiment, the opening direction of the connection groove 111 may be parallel to the circumferential direction of the shaft body 100, so that the magnetic induction element 310 is sleeved on the shaft body 100 and then is buckled with the fixing element 110.

In other embodiments, the opening of the connection groove 111 may also be oriented parallel to the axial direction of the shaft body 100, so that the magnetic induction element 310 is directly engaged with the fixing element 110 along the axial direction of the shaft body 100.

In this embodiment, the first connection hole 315 and the second connection hole 112 may be threaded holes, and the connection member may be a screw.

In other embodiments, the first connecting portion may also be a connecting protrusion, and the second connecting portion may also be a corresponding connecting groove, which is not limited herein.

In other embodiments, the fixing element 110 and the magnetic induction element 310 may be connected by other detachable mechanisms such as a snap, and the like, which is not limited herein.

In other embodiments, the magnetic induction member 310 and the magnet assembly 320 may be detachable, and the specific structure is described in the eleventh embodiment and the twelfth embodiment of the braking device 10, which is not limited herein.

Referring to fig. 1 and 2, the first embodiment of the wheel body assembly of the present application includes a brake device 10, and the structure of the brake device 10 is as described in the above embodiment of the brake device 10, and will not be described herein again.

Wherein, the casing 200 of arresting gear 10 is the ring shape setting, can be used for as the wheel body of wheel body subassembly, and arresting gear 10 can directly produce the resistance to the wheel body to realize braking effect, because its braking force is relevant with the rotation of casing 200, and non-friction braking, consequently can not produce the scram effect, the security is higher, also can reduce wearing and tearing, improves arresting gear 10's life, and its simple structure easily prepares simultaneously.

Referring to fig. 50, the wheel assembly of the second embodiment of the present application includes a braking device 10 and a wheel body 20, wherein the wheel body 20 is connected to a housing 200 or a shaft 100 of the braking device 10, and the braking device 10 generates a resistance force on the wheel body through the housing 200 or the shaft 100, so as to achieve a braking effect.

In this embodiment, the braking device 10 and the wheel body 20 may be detachably connected, so that a user can select whether to install the braking device 10 according to needs, and the application range is wider.

In this embodiment, the braking device 10 may be directly connected to the wheel 20 through the connecting rod 201 to directly achieve the braking effect on the wheel 20.

In other embodiments, the braking device 10 may also be connected to the wheel 20 through a transmission device (not shown) to meet different braking requirements, thereby widening the application range.

Referring to FIG. 51, the first embodiment of the walking aid of the present application comprises a braking device 10 and a main body frame 30, wherein the braking device 10 is rotatably connected to the bottom of the main body frame 30 and is used for moving with the main body frame 30 and/or carrying the main body frame 30. In this embodiment, the number of the braking devices 10 is 2, and the walker further comprises two universal wheels 40 as the rear wheels, the steering operation of the walker can be more labor-saving by using the braking devices 10 as the front wheels, and the universal wheels 40 as the rear wheels can facilitate the flexible rotation of the universal wheels 40 along with the steering of the main body frame 30.

In other embodiments, the two braking devices 10 can also be used as rear wheels (not shown in the figures), and the two universal wheels 40 can be used as front wheels, so that the problem of forward turning or side turning caused by excessive resistance generated instantaneously by the braking devices 10 can be avoided.

In other embodiments the number of braking devices 10 may be 4, i.e. the front wheels acting as a walker and the rear wheels acting as a walker, to further improve the braking effect.

When the housing 200 of the braking device 10 rotates relative to the shaft body 100 in the embodiment, the coil 311 can cut the magnetic field formed by the magnet assembly 320, so that resistance opposite to the rotation direction of the housing 200 is generated, a braking effect on the braking device 10 can be achieved, and because the braking force is related to the rotation of the housing 200 and is not friction braking, an emergency stop effect is not generated, the safety is higher, the abrasion can be reduced, the service life of the braking device 10 is prolonged, and meanwhile, the braking device is simple in structure and easy to manufacture.

Referring to FIG. 52, the second embodiment of the walker comprises a braking device 10 and a main frame 50, wherein the braking device 10 is rotatably connected to the bottom of the main frame 50 for moving with the main frame 50 and/or carrying the main frame 50.

In this embodiment, the braking device 10 can be used as both the front wheel and the rear wheel of the walker, as described above with reference to the first embodiment of the walker, and will not be described herein.

In other embodiments, the braking device 10 may be used in other types of walkers, and is not limited thereto.

The above description is only for the purpose of illustrating embodiments of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.

Claims

1. A brake apparatus, comprising:

a shaft body;

the magnetic induction piece is wound with a coil;

2. The brake apparatus of claim 1, wherein the resistance force is in a positive relationship with a rotational speed of the housing or the shaft body.

3. The brake device according to claim 1, wherein the number of the magnets is a double number, and a plurality of the magnets are symmetrically arranged with respect to an axis of the shaft body.

4. The brake device according to claim 3, wherein the magnetic poles of two magnets symmetrical with respect to the axial center are arranged in the same direction, and the magnetic poles of two adjacent magnets are arranged in opposite directions.

5. The brake device according to claim 1, wherein the magnetic induction member includes a main body portion and a plurality of mounting portions spaced apart from each other along an outer periphery of the main body portion, the coil is wound around the mounting portions, a maximum width of the coil on the mounting portions in a circumferential direction of the shaft body is greater than or equal to a width of the magnet in the circumferential direction of the shaft body, and a maximum length of the coil on the mounting portions in an axial direction of the shaft body is greater than or equal to a length of the magnet in the axial direction of the shaft body.

6. The brake device according to claim 5, wherein a difference between a maximum width of the coil on the mounting portion in the circumferential direction of the shaft body and a width of the magnet in the circumferential direction of the shaft body is a, and a width of the magnet in the circumferential direction of the shaft body is b, and wherein a ratio of a to b is 10% or less.

7. The brake apparatus of claim 5, wherein the number of magnets is greater than the number of mounting portions, and the difference between the number of magnets and the number of mounting portions is a positive integer.

8. A braking apparatus in accordance with claim 5, characterised in that the coils on each of the plurality of mounting portions form a closed loop; or

The coils on at least two of the installation parts form a closed loop together; or

All the coils on the plurality of mounting portions form a closed loop together.

9. A wheel body assembly, comprising:

the brake apparatus of any one of claims 1 to 8, wherein the housing is arranged in a circular ring shape for serving as a wheel body; or

The brake device and wheel of any one of claims 1 to 8, wherein the wheel is connected to the housing or the axle.

10. A walking aid comprising a body frame and a wheel assembly as claimed in claim 9, the wheel assembly being pivotally connected to the base of the body frame.