TWI763584B - Magnetic reluctance brake device - Google Patents

Abstract

A magnetic reluctance brake device is provided. A supporting assembly includes two supporting seats arranged oppositely, and each of the supporting seats includes a shaft hole. A transmission shaft is pivoted in the shaft hole of each of the support seats. A first cover is connected to one of the supporting seats and sleeved on the transmission shaft. A rotating tray includes a through hole, and the transmission shaft penetrates through the through hole. A magnetic permeable ring is disposed on the rotating tray and has an internal accommodating space. A second cover is connected to another of the support seats and sleeved with the rotating tray. At least one inner electromagnet assembly is disposed on the second cover and located between the magnetic permeable ring and the second cover. The at least one inner electromagnet assembly is also located in the internal accommodating space. The drive shaft drives the rotating tray and the magnetic permeable ring to rotate synchronously, and the at least one inner electromagnet assembly generates an opposite resistance relative to a direction of a rotation of the magnetic permeable ring. Therefore, the maximum braking resistance can still be achieved in a small volume.

Description

Magnetic reluctance braking device

The present invention relates to a braking device for fitness sports equipment, in particular to a magnetoresistive braking device in which a plurality of electromagnet components are adjacently arranged inside or outside a magnetic conducting ring.

Due to the tight pace of modern life and busy work, there is no time for outdoor sports. In recent years, most people tend to go to the gym or sports center near their home to achieve the purpose of fitness and exercise through the use of fitness equipment (for example: flywheel, treadmill or stepper). As far as the flywheel is concerned, the magnetic conductive member is mainly sleeved on the flywheel connected to the vehicle body, and a plurality of magnetoresistive mechanisms are arranged around the outer periphery of the magnetic conductive member as a load for motion force application. When the user steps on the pedal of the flywheel to drive the flywheel to rotate, the magnetic force line between the magnetic conducting element and the magnetoresistive mechanism changes, so that the magnetoresistive mechanism generates braking force to prevent the flywheel from rotating. Therefore, the user must apply more force to the On the pedal, the flywheel can be driven to achieve the exercise effect of load training.

However, the conventional magnetoresistive mechanisms are all arranged on the flywheel support frame and outside the flywheel frame. This structure not only causes the overall volume of the fitness equipment to be too large, but also reduces the number of magnetoresistive mechanisms in order to reduce the volume, which reduces the number of magnetoresistive mechanisms. The braking resistance of the flywheel.

In view of this, how to maintain a small volume of fitness equipment while maintaining sufficient braking resistance is really the people's eager expectation, and it is also the goal and direction that the relevant industry must strive to develop breakthroughs.

Therefore, the purpose of the present invention is to provide a reluctance braking device, which disposes a whole piece of magnetic conductive ring on the rotating tray to replace the conventional magnetic conductive member, thereby increasing the magnetic flux. In addition, the present invention is provided with an inner electromagnet assembly in the inner accommodating space of the magnetic conducting ring, and an outer electromagnet assembly can also be arranged on the outer peripheral surface of the magnetic conducting ring, which not only greatly enhances the braking resistance, but can even reduce the configuration through the inner electromagnet assembly. The number of external electromagnet components can reduce the volume of the reluctance braking device.

According to an embodiment of the present invention, a reluctance braking device is provided, which includes a support component, a transmission shaft, a first cover, a rotating tray, a magnetic conducting ring, a second cover and at least one inner electromagnet components. The support assembly includes two support seats arranged opposite to each other, and each support seat includes a shaft hole. The transmission shaft is pivoted on the shaft hole of each support seat. The first cover is connected to one of the support bases and is sleeved on the transmission shaft. The rotating tray includes a through hole, and the transmission shaft passes through the through hole. The magnetic conducting ring is arranged on the rotating tray and has an inner accommodating space. The second cover is connected to another support base and is sleeved with the rotating tray. The at least one inner electromagnet assembly is disposed on the second cover and between the magnetic conducting ring and the second cover, and the at least one inner electromagnet assembly is located in the inner accommodating space. The drive shaft is connected to drive the rotating tray to rotate synchronously with the magnetic permeable ring, and the at least one inner electromagnet assembly generates a reverse resistance relative to the rotation direction of the magnetic permeable ring.

Thereby, when the drive shaft is connected to drive the rotating tray and the magnetic permeable ring to rotate synchronously, the magnetic resistance braking device of the present invention can utilize the reverse resistance provided by the aforementioned at least one inner electromagnet assembly disposed in the magnetic permeable ring to achieve The effect of braking.

Other examples of the aforementioned embodiment are as follows: the aforementioned rotating tray further includes a tray body and a protruding portion. The tray body is used for fixing the magnetic conductive ring. The protruding part is arranged on one side of the tray body and is accommodated in the second cover, and the through hole penetrates the tray body and the protruding part.

Other examples of the aforementioned embodiment are as follows: an inner edge surface of the aforementioned rotating tray has a first groove. An outer peripheral surface of the transmission shaft has a second groove, the first groove is aligned with the second groove, and the magnetic reluctance braking device further includes a key. The square key is accommodated between the first groove and the second groove.

Other examples of the aforementioned embodiment are as follows: the aforementioned second cover includes a die-casting part, a first positioning portion and a second positioning portion. The first positioning part is arranged on one side of the die-casting part and penetrates through the other support seat. The second positioning portion is arranged on the other side of the die casting and sleeved on a protruding portion of the rotating tray.

Other examples of the aforementioned embodiment are as follows: the aforementioned die casting is in a circular shape.

Other examples of the aforementioned embodiments are as follows: the aforementioned die-casting parts are in a well-shaped shape.

Other examples of the aforementioned embodiment are as follows: the aforementioned at least one inner electromagnet assembly includes a braking core, a wire winding support, an electromagnetic coil and an input wire. The brake core is locked to the second cover. The winding bracket is sleeved on the brake iron core. The electromagnetic coil loop is arranged on the winding support. The input wire is connected to the solenoid coil.

Other examples of the aforementioned embodiment are as follows: the first cover includes a first limiting groove, the second cover includes a second limiting groove, and the reluctance braking device further includes two C-shaped retaining rings and two ball bearings . The two C-shaped retaining rings are respectively embedded in the first limiting groove and the second limiting groove. The two ball bearings are respectively sleeved on the transmission shaft and are adjacent to the two C-shaped retaining rings.

According to another embodiment of the present invention, a reluctance braking device is provided, which includes a support component, a transmission shaft, a first cover, a rotating tray, a magnetic ring, a second cover, and at least one inner electromagnetic An iron component and at least one outer electromagnet component. The support assembly includes two support seats arranged opposite to each other, and each support seat includes a shaft hole. The transmission shaft is pivoted on the shaft hole of each support seat. The first cover is connected to one of the support bases and is sleeved on the transmission shaft. The rotating tray includes a through hole, and the transmission shaft passes through the through hole. The magnetic conducting ring is arranged on the rotating tray and has an outer peripheral surface and an inner accommodating space. The second cover is fixedly connected to the other support base, and is sleeved to the rotating tray. At least one inner electromagnet assembly is disposed on the second cover and between the magnetic conducting ring and the second cover, and the at least one inner electromagnet assembly is located in the inner accommodating space. At least one outer electromagnet assembly is arranged between the two support bases and adjacent to the outer peripheral surface of the magnetic conducting ring. The drive shaft is connected to drive the rotating tray to rotate synchronously with the magnetic permeable ring, and any one of the at least one inner electromagnet assembly and the at least one outer electromagnet assembly generates a reverse resistance relative to the rotation direction of the magnetic permeable ring.

Therefore, when the magnetic resistance braking device of the present invention is connected to drive the rotating tray and the magnetic conductive ring to rotate synchronously, both the inner electromagnet assembly disposed in the magnetic conductive ring and the outer electromagnet assembly adjacent to the magnetic conductive ring can simultaneously rotate. Ground provides reverse resistance, which in turn has greater braking resistance.

Other examples of the aforementioned embodiment are as follows: the aforementioned support element further includes a plurality of connecting elements. Each connecting component is connected between the two support bases, and passes through a braking core of the at least one outer electromagnet component.

Several embodiments of the present invention will be described below with reference to the drawings. For the sake of clarity, many practical details are set forth in the following description. It should be understood, however, that these practical details should not be used to limit the invention. That is, in some embodiments of the present invention, these practical details are unnecessary. In addition, for the purpose of simplifying the drawings, some well-known and conventional structures and elements will be shown in a simplified and schematic manner in the drawings; and repeated elements may be denoted by the same reference numerals.

In addition, when a certain element (or unit or module, etc.) is "connected/connected" to another element herein, it may mean that the element is directly connected/connected to another element, or that a certain element is indirectly connected /Connected to another element means that there is another element between the element and the other element. When it is expressly stated that an element is "directly connected/connected" to another element, it means that no other element is interposed between the element and the other element. The terms first, second, third, etc. are only used to describe different elements, and do not limit the elements themselves. Therefore, the first element can also be renamed as the second element. And the combination of elements/units/circuits in this article is not a commonly known, conventional or well-known combination in this field, and it cannot be determined whether the combination relationship of the elements/units/circuits is well-known or not easily understood by those in the technical field. Usually the knowledgeable can do it easily.

Please refer to FIG. 1, FIG. 2 and FIG. 3 together. FIG. 1 is a front perspective view of the magnetic reluctance braking device 100 according to the first embodiment of the present invention; FIG. 2 is a schematic diagram of the present invention. A rear perspective view of the magnetic reluctance braking device 100 of the first embodiment; and FIG. 3 is an exploded schematic view of the magnetic reluctance braking device 100 of FIG. 1 . As shown in FIGS. 1-3, the magnetic reluctance braking device 100 can be a part of a mechanism in fitness equipment (such as a flywheel, a treadmill or a stepper), and the magnetic reluctance braking device 100 includes a support component 110, A transmission shaft 120 , a first cover 130 , a rotating tray 140 , a magnetic conductive ring 150 , a second cover 160 and at least one inner electromagnet assembly 170 .

The support assembly 110 includes two support bases 111 disposed opposite to each other, and each support base 111 includes a shaft hole 1113 . The transmission shaft 120 is pivoted to the shaft hole 1113 of each support base 111 . The first cover 130 is fixedly connected to one of the support bases 111 and is sleeved on the transmission shaft 120 . The rotating tray 140 includes a through hole 141 , and the transmission shaft 120 passes through the through hole 141 . The magnetic conductive ring 150 is disposed on one side of the rotating tray 140 and has an inner accommodating space 151 . The second cover 160 is fixedly connected to the other support base 111 and is sleeved to the rotating tray 140 . The at least one inner electromagnet assembly 170 is disposed on the second cover 160 between the magnetic conducting ring 150 and the second cover 160 , and the at least one inner electromagnet assembly 170 is located in the inner accommodating space 151 . When the drive shaft 120 is driven to rotate and the rotating tray 140 and the magnetic permeable ring 150 are connected to rotate synchronously, the aforementioned at least one inner electromagnet assembly 170 generates a reverse resistance relative to the rotation direction of the magnetic permeable ring 150 .

Therefore, when the drive shaft 120 is connected to drive the rotating tray 140 and the magnetic permeable ring 150 to rotate synchronously, the reluctance braking device 100 of the present invention can utilize the aforementioned at least one inner electromagnet assembly 170 provided in the magnetic permeable ring 150 to provide Reverse resistance to achieve the effect of braking.

Specifically, the support element 110 may further include two connection elements 112 . Each support base 111 includes a first fixing portion 1111 and a second fixing portion 1112 , wherein the first fixing portion 1111 is provided with the aforementioned shaft hole 1113 , and the second fixing portion 1112 is vertically connected to the first fixing portion 1111 . The second fixing portion 1112 is screwed to the frame of the fitness equipment (not shown), so that the support base 111 is fixed on the fitness equipment. Each connecting component 112 is connected between the two supporting bases 111 and includes a hexagon socket head screw 1121 , a sleeve 1122 and a nut. Specifically, the socket head cap screws 1121 are inserted through the positioning holes of the two first fixing parts 1111 , and the sleeve 1122 is sleeved on the socket head cap screws 1121 and located between the two first fixing parts 1111 . The two support bases 111 are integrated into one body by locking one end of the socket head cap screw 1121 with a nut.

In the first embodiment, the number of the aforementioned at least one inner electromagnet assembly 170 is two, and each inner electromagnet assembly 170 may include a braking iron core 171 , a winding bracket 172 , an electromagnetic coil 173 and an input wire 174 . The brake iron core 171 can be a T-shaped iron core or a silicon steel piece, one end of which is locked on the second cover 160 , and a gap is formed between the other end and the inner edge surface of the magnetic conducting ring 150 , Wherein the gap may be 0.2 mm, but the present invention is not limited thereto. The winding bracket 172 is sleeved on the brake core 171 . The electromagnetic coil 173 is looped on the winding support 172 and is electrically connected to an input wire 174 . The input line 174 obtains current from an external device and transmits the current to the electromagnetic coil 173 , so that the electromagnetic coil 173 generates a magnetic field according to the principle of current magnetic effect. When the magnetic conductive ring 150 rotates, the magnetic flux of the magnetic field to which the magnetic conductive ring 150 is subjected will increase with time. According to Faraday's law of electromagnetic induction, an induced current (ie, eddy current) is formed, and the induced current generates an induced magnetic field according to Lenz's law to resist the magnetic flux of the magnetic field. The magnetic field of the inner electromagnet assembly 170 and the induced magnetic field of the rotating magnetic permeable ring 150 are opposite to each other and repel each other. Therefore, the inner electromagnet assembly 170 exerts a reverse resistance on the rotating magnetic permeable ring 150, so that the magnetic permeable ring 150 is braked, so that the fitness equipment has the exercise effect of load training. In addition, in other embodiments, the number of the at least one inner electromagnet assembly may be plural, and these inner electromagnet assemblies are evenly distributed and locked on the second cover. Thereby, the reverse resistance generated by each inner electromagnet assembly can be uniformly applied to the magnetic conducting ring.

Please refer to FIGS. 1-3 and 4 together, wherein FIG. 4 is a cross-sectional view of the reluctance braking device 100 of FIG. 1 along the line 4-4. As shown in FIGS. 1-4 , the rotating tray 140 may further include a tray body 142 and a protruding portion 143 . The tray body 142 is fixed on the magnetic conductive ring 150 via screws. The protruding portion 143 is disposed on one side of the tray body 142 where the magnetic permeable ring 150 is fixed and is accommodated in the second cover 160 , and the through hole 141 penetrates the tray body 142 and the protruding portion 143 .

In the first embodiment, the second cover 160 may include a die-casting part 161 , a first positioning portion 162 and a second positioning portion 163 . The first positioning portion 162 is disposed on one side of the die-casting part 161 and passes through the other support seat 111 . The second positioning portion 163 is disposed on the other side of the die-casting part 161 and sleeved on the protruding portion 143 of the rotating tray 140 . In detail, the die-casting part 161 , the first positioning part 162 and the second positioning part 163 are integrally formed die-casting parts, wherein the die-casting part 161 can be in the shape of a circle, and one end face of the die-casting part 161 connected to the first positioning part 162 is locked through a screw It is fixed to the aforementioned other support base 111 .

In addition, the inner edge surface of the rotating tray 140 has a first groove 144 , and the first groove 144 is connected to the through hole 141 . The outer peripheral surface of the transmission shaft 120 has a second groove 121 and a third groove 122 . The first groove 144 of the rotating tray 140 and the second groove 121 of the transmission shaft 120 are aligned with each other. In particular, the magnetoresistive braking device 100 may further include two-way keys 180 a and 180 b and a pulley 190 . The pulley 190 is sleeved and fixed to one end of the transmission shaft 120 and has a fourth groove 191 . The third groove 122 of the transmission shaft 120 and the fourth groove 191 of the pulley 190 are aligned with each other. It should be noted that the square key 180 a is accommodated between the third groove 122 and the fourth groove 191 , and the square key 180 b is accommodated between the first groove 144 and the second groove 121 . When the user steps on the pedals of the exercise equipment, the pedals are driven to rotate by the belt pulley 190 . Next, the pulley 190 is connected to drive the square key 180a, so that the square key 180a pushes against the transmission shaft 120 and drives the transmission shaft 120 to rotate synchronously; similarly, the transmission shaft 120 is connected to drive the square key 180b, so that the square key 180b pushes against the rotating tray 140 And drive the rotating tray 140 to rotate synchronously. Thereby, through the structural arrangement of the pulley 190 , the transmission shaft 120 , the rotating tray 140 and the two-way keys 180 a and 180 b , the magnetically permeable ring 150 can be finally linked and driven to rotate. Therefore, the present invention replaces the magnetic conductive member or the magnetic conductive sheet connected to the conventional flywheel by disposing the magnetic conductive ring 150 on the rotating tray 140 to improve the received magnetic flux.

Furthermore, the first cover 130 may include a first limiting groove 131 , and the second cover 160 may include a second limiting groove 164 . The reluctance braking device 100 may further include two C-shaped retaining rings 123 and two ball bearings 124 . The two C-shaped retaining rings 123 are respectively embedded in the first limiting groove 131 and the second limiting groove 164 . The two ball bearings 124 are respectively sleeved on the two ends of the transmission shaft 120 and are adjacent to the two C-shaped retaining rings 123 . Since the two ball bearings 124 sleeved on the transmission shaft 120 are locked by the two C-shaped retaining rings 123 respectively, the two ball bearings 124 are respectively limited in the first cover 130 and the second cover 160 . Thereby, the transmission shaft 120 is positioned on the two support bases 111 by the first cover 130 and the second cover 160 .

Please refer to FIG. 5 and FIG. 6 together, wherein FIG. 5 is a three-dimensional schematic diagram of the reluctance braking device 200 according to the second embodiment of the present invention; and FIG. 6 is the reluctance braking device of FIG. 5 Schematic diagram of the explosion of the device 200 . As shown in FIG. 5 and FIG. 6, the reluctance braking device 200 includes a support assembly 210, a transmission shaft 220, a first cover 230, a rotating tray 240, a magnetic conductive ring 250, and a second cover (not shown), at least one inner electromagnet assembly (not shown), and at least one outer electromagnet assembly 270 . Specifically, except for the support component 210 and the at least one outer electromagnet component 270 , the other corresponding components of the reluctance braking device 200 of the second embodiment and the reluctance braking device 100 of the first embodiment are the same, so the structure and configuration are different. Repeat.

It is worth noting that the difference between the second embodiment and the first embodiment is that the supporting element 210 includes two supporting bases 211 and a plurality of connecting elements 212 disposed opposite to each other. The connecting elements 212 are disposed between the two supporting bases 211 , and each connecting element 212 may include a hexagon socket head screw 2121 and two sleeves 2122 . In addition, the magnetic permeable ring 250 has an inner accommodating space (not shown) and an outer peripheral surface 252 . At least one outer electromagnet assembly 270 is disposed between the two support bases 211 and adjacent to the outer peripheral surface 252 of the magnetic conducting ring 250 . In the second embodiment, the number of the outer electromagnet components 270 is one, and may include a braking iron core 271 , a winding bracket 272 , an electromagnetic coil 273 and an input wire 274 . The braking iron core 271 can be a gable-shaped iron core, and has a gap with the outer peripheral surface 252 of the magnetic conductive ring 250 , wherein the gap can be 0.2 mm, but the invention is not limited thereto.

Specifically, the socket head cap screws 2121 pass through the fixing holes of the brake core 271 . One of the sleeves 2122 is located between one side of the brake core 271 and one of the support bases 211 , the other sleeve 2122 is located between the other side of the brake core 271 and the other support base 211 , and both sleeves 2122 are sleeved Set on socket head cap screw 2121. Therefore, the outer electromagnet assembly 270 can be fixedly connected between the two support bases 111 by locking one end of the socket head cap screw 2121 with a nut. The winding bracket 272 is sleeved on the brake core 271 . The electromagnetic coil 273 is looped on the winding support 272 and is electrically connected to the input wire 274 to receive current and generate a magnetic field.

When the drive shaft 220 is connected to drive the rotating tray 240 and the magnetic conductive ring 250 to rotate synchronously, the aforementioned at least one inner electromagnet assembly located in the inner accommodating space of the magnetic conductive ring 250 and the outer electromagnet on the outer peripheral surface 252 of the adjacent magnetic conductive ring 250 Either one of the components 270 creates a counter-resistance with respect to the direction of rotation of the magnetic permeable ring 250 . Therefore, both the inner electromagnet assembly and the outer electromagnet assembly 270 of the reluctance braking device 200 of the present invention can provide reverse resistance at the same time, and thus have greater braking resistance.

Please refer to FIG. 7 and FIG. 8 together, wherein FIG. 7 is a three-dimensional schematic diagram of the reluctance braking device 300 according to the third embodiment of the present invention; and FIG. 8 is the reluctance braking device of FIG. 7 A three-dimensional schematic diagram of the second cover 360 of the device 300, wherein the left and right sides in FIG. 8 are from different viewing angles. As shown in FIG. 7 and FIG. 8, the reluctance braking device 300 includes a support assembly 310, a transmission shaft 320, a first cover (not shown), a rotating tray 340, a magnetic conductive ring 350, A second cover 360, an inner electromagnet assembly 370a and an outer electromagnet assembly 370b. Specifically, except for the second cover 360 , the other corresponding components of the magnetoresistive braking device 300 of the third embodiment and the magnetoresistive braking device 200 of the second embodiment are the same, so the structural configuration thereof will not be repeated.

It is worth noting that the difference between the third embodiment and the second embodiment is that the second cover 360 may further include a die-casting part 361 , a first positioning portion 362 and a second positioning portion 363 . The first positioning portion 362 is disposed on one side of the die-casting part 361 and penetrates through one of the support seats 311 of the support assembly 310 . The second positioning portion 363 is disposed on the other side of the die-casting part 361 and sleeved on the rotating tray 340 . In detail, the die-casting part 361 , the first positioning part 362 and the second positioning part 363 are integrally formed die-casting parts, wherein the die-casting part 361 can be in a well-shaped shape, and the inner electromagnet assembly 370a is fastened to it by screws. . In addition, the second cover 360 may further include a plurality of fins 3631 , and the fins 3631 are arranged around the second positioning portion 363 . The inner electromagnet assembly 370 a is disposed on the two fins 3631 and connected to the end surface of the die casting 361 .

In other embodiments, the numbers of the inner electromagnet components and the outer electromagnet components of the reluctance braking device disclosed in the first to third embodiments of the present invention can be determined according to the requirements of different fitness equipment or other devices. Carry out quantity selection. In addition, the die-casting part can be a frame body of any shape, and the brake cores provided with each inner electromagnet assembly are assembled on it.

To sum up, the present invention has the following advantages: firstly, both the inner electromagnet assembly and the outer electromagnet assembly can provide the reverse resistance relative to the rotation direction of the magnetic conductive ring, so the present invention can still achieve a small volume maximum braking resistance. Second, the present invention replaces the magnetic conductive member or the magnetic conductive sheet connected to the conventional flywheel by disposing the magnetic conductive ring on the rotating tray, so as to improve the received magnetic flux.

Although the present invention has been disclosed as above with examples, it is not intended to limit the present invention. Anyone skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection of the present invention The scope shall be determined by the scope of the appended patent application.

100,200,300: Magnetic Reluctance Brakes 110, 210, 310: Support components 111, 211, 311: Support seat 1111: The first fixed part 1112: Second fixed part 1113: Shaft hole 112, 212: Connecting Components 1121, 2121: Socket head cap screws 1122, 2122: Sleeve 120, 220, 320: drive shaft 121: Second groove 122: Third groove 123: C-type buckle 124: Ball bearing 130,230: First set of covers 131: The first limit slot 140, 240, 340: Turn the tray 141: Through hole 142: Tray body 143: Projection 144: First groove 150, 250, 350: Magnetic ring 151: Internal accommodation space 160,360: Second set of covers 161,361: Die castings 162,362: The first positioning part 163,363: Second positioning part 164: The second limit slot 170,370a: Internal Electromagnet Assembly 171,271: Brake Core 172,272: Winding bracket 173,273: Solenoid coil 174,274: Input line 180a, 180b: Square keys 190: Pulley 191: Fourth Groove 252: Peripheral surface 270,370b: Outer Electromagnet Assembly 3631: Fins

In order to make the above and other objects, features, advantages and embodiments of the present invention more clearly understood, the accompanying drawings are described as follows: FIG. 1 is a front perspective view of a magnetic reluctance braking device according to a first embodiment of the present invention; FIG. 2 is a rear perspective view of the reluctance braking device according to the first embodiment of the present invention; FIG. 3 is a schematic exploded view of the magnetoresistive braking device of FIG. 1; FIG. 4 is a cross-sectional view of the magnetoresistive braking device of FIG. 1 along section line 4-4; FIG. 5 is a schematic three-dimensional view of a magnetic reluctance braking device according to a second embodiment of the present invention; FIG. 6 is a schematic exploded view of the magnetoresistive braking device of FIG. 5; FIG. 7 is a three-dimensional schematic diagram illustrating a magnetic reluctance braking device according to a third embodiment of the present invention; and FIG. 8 is a perspective view of the second cover of the magnetoresistive braking device of FIG. 7 .

100: Magnetic reluctance braking device

111: Support seat

1111: The first fixed part

1112: Second fixed part

112: Connect Components

120: Drive shaft

140: Turn the tray

150: Magnetic ring

160: Second set of covers

170: Inner electromagnet assembly

Claims (10)

A magnetic reluctance braking device, comprising: a support assembly, comprising two oppositely arranged support seats, each of the support seats includes a shaft hole; a transmission shaft pivoted to the shaft hole of each of the support bases; a first cover, connected to one of the support bases, and sleeved on the transmission shaft; a rotating tray, including a through hole, the transmission shaft passing through the through hole; a magnetic conducting ring, which is arranged on the rotating tray and has an inner accommodating space; a second cover, connected to the other support base, and sleeved on the rotating tray; and at least one inner electromagnet assembly is disposed on the second cover and located between the magnetic conducting ring and the second cover, and the at least one inner electromagnet assembly is located in the inner accommodating space; Wherein, the drive shaft is connected to drive the rotating tray to rotate synchronously with the magnetic permeable ring, and the at least one inner electromagnet assembly generates a reverse resistance relative to the rotation direction of the magnetic permeable ring. The magnetoresistive braking device as claimed in claim 1, wherein the rotating tray further comprises: a tray body for fixing the magnetic ring; and A protruding part is disposed on one side of the tray body and accommodated in the second cover, and the through hole penetrates the tray body and the protruding part. The magnetoresistive braking device of claim 1, wherein an inner edge of the rotating tray has a first groove, an outer periphery of the transmission shaft has a second groove, and the first groove is connected to the first groove. The two grooves are aligned, and the magnetoresistive braking device further includes: A square key is accommodated between the first groove and the second groove. The magnetoresistive braking device of claim 1, wherein the second cover comprises: a die casting; a first positioning portion disposed on one side of the die casting and passing through the other support seat; and A second positioning portion is disposed on the other side of the die casting and sleeved on a protruding portion of the rotating tray. The magnetoresistive braking device as claimed in claim 4, wherein the die casting is in the shape of a circle. The magnetoresistive braking device as claimed in claim 4, wherein the die casting is in a well-shaped shape. The magnetoresistive braking device of claim 1, wherein the at least one inner electromagnet assembly comprises: a brake iron core, locked to the second cover; a winding bracket sleeved on the brake iron core; an electromagnetic coil looped around the winding support; and An input line is connected to the electromagnetic coil. The magnetoresistive braking device as claimed in claim 1, wherein the first cover includes a first limiting groove, the second cover includes a second limiting groove, and the magnetoresistive braking device further includes: two C-shaped retaining rings, respectively embedded in the first limiting groove and the second limiting groove; and Two ball bearings are respectively sleeved on the transmission shaft and adjacent to the two C-shaped retaining rings. A magnetic reluctance braking device, comprising: a support assembly, comprising two oppositely arranged support seats, each of the support seats includes a shaft hole; a transmission shaft pivoted to the shaft hole of each of the support bases; a first cover, connected to one of the support bases, and sleeved on the transmission shaft; a rotating tray, including a through hole, the transmission shaft passing through the through hole; a magnetic conducting ring, which is arranged on the rotating tray and has an outer peripheral surface and an inner accommodating space; a second cover, fixedly connected to the other support base, and sleeved to the rotating tray; at least one inner electromagnet assembly disposed on the second cover and between the magnetic conducting ring and the second cover, and the at least one inner electromagnet assembly is located in the inner accommodating space; and at least one outer electromagnet assembly disposed between the two support bases and adjacent to the outer peripheral surface of the magnetic conducting ring; Wherein, the drive shaft is connected to drive the rotating tray and the magnetic conductive ring to rotate synchronously, and any one of the at least one inner electromagnet assembly and the at least one outer electromagnet assembly generates a reverse resistance relative to the rotation direction of the magnetic conductive ring . The magnetoresistive braking device as claimed in claim 9, wherein the support assembly further comprises: A plurality of connecting components, each connecting component is connected between the two support bases, and penetrates through a braking core of the at least one outer electromagnet component.

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