TW202309417A - 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

Reluctance braking device

The present invention relates to a brake device for fitness equipment, in particular to a reluctance brake device in which a plurality of electromagnet assemblies are adjacently arranged inside or outside a magnetic conduction ring.

Due to the tight pace of life and busy work of modern people, there is no time to exercise outdoors. In recent years, most people tend to go to the gym or sports center near their home to use fitness equipment (such as flywheel, treadmill or slide machine) to achieve the purpose of fitness and exercise. As far as the flywheel vehicle is concerned, it is mainly to set the magnetic conductive part on the flywheel connected to the car body, and set a plurality of reluctance mechanisms around the outer periphery of the magnetic conductive part as the load for applying force. When the user steps on the pedal of the flywheel to drive the flywheel to rotate, the magnetic resistance mechanism will generate a braking force to prevent the flywheel from rotating due to the change of the magnetic force line between the magnetic conductor and the magnetic resistance mechanism, so the user must exert more force on the On the pedal, the flywheel can be driven to achieve the exercise effect of load training.

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

In view of this, how to maintain a small size of fitness equipment while maintaining sufficient braking resistance is indeed an earnest expectation of the public, and it is also the goal and direction that relevant industry players must strive to develop breakthroughs.

Therefore, the object of the present invention is to provide a reluctance braking device, which is equipped with a whole magnetic permeable ring on the rotating tray to replace the conventional magnetic permeable parts, thereby increasing the magnetic flux. In addition, the present invention is equipped with an inner electromagnet assembly in the inner accommodation space of the magnetic conduction ring, and an outer electromagnet assembly can also be arranged on the outer peripheral surface of the magnetic conduction ring, which not only greatly enhances the braking resistance, but can even reduce the configuration through the inner electromagnet assembly The quantity of the outer electromagnet assembly can reduce the volume of the reluctance braking device.

According to one embodiment of the present invention, a reluctance braking device is provided, which includes a support assembly, a transmission shaft, a first cover, a rotating tray, a magnetically conductive ring, a second cover and at least one inner electromagnet components. The supporting component includes two supporting seats oppositely arranged, and each supporting seat includes a shaft hole. The transmission shaft is pivotally arranged in the shaft hole of each supporting seat. The first cover is connected to one of the support bases and sleeved on the transmission shaft. The rotating tray includes a through hole, and the transmission shaft passes through the through hole. The magnetic conduction ring is arranged on the rotating tray and has an inner accommodating space. The second set of covers is connected to another supporting seat and is sleeved on 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 accommodation space. Wherein, the transmission shaft is connected to drive the rotating tray to rotate synchronously with the magnetic conduction ring, and the aforementioned at least one inner electromagnet assembly generates a reverse resistance relative to the rotation direction of the magnetic conduction ring.

Thereby, the reluctance braking device of the present invention can use the reverse resistance provided by the aforementioned at least one inner electromagnet assembly arranged 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 fixedly connected with the magnetic conducting ring. The protruding part is arranged on one side of the tray body and accommodated in the second cover, and the through hole runs through the tray body and the protruding part.

Other examples of the above-mentioned embodiment are as follows: one inner edge surface of the above-mentioned rotating tray has a first groove. An outer peripheral surface of the drive shaft has a second groove, the first groove is aligned with the second groove, and the reluctance braking device further includes a side key. The square key is disposed between the first groove and the second groove.

Other embodiments 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 passes through the other supporting base. The second positioning part is arranged on the other side of the die-casting part, and is sheathed on a protruding part of the rotating tray.

Other examples of the above-mentioned embodiment are as follows: the above-mentioned die-casting part is in a circular shape.

Other examples of the above-mentioned embodiment are as follows: the above-mentioned die-casting part is in the shape of a well.

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

Other examples of the aforementioned embodiment are as follows: the aforementioned 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 buckles and two ball bearings . The two C-shaped buckles 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 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 assembly, a transmission shaft, a first cover, a rotating tray, a magnetic ring, a second cover, and at least one inner electromagnetic Iron component and at least one outer electromagnet component. The supporting component includes two supporting seats oppositely arranged, and each supporting seat includes a shaft hole. The transmission shaft is pivotally arranged in the shaft hole of each supporting seat. The first cover is connected to one of the support bases and sleeved on the transmission shaft. The rotating tray includes a through hole, and the transmission shaft passes through the through hole. The magnetic conduction ring is arranged on the rotating tray and has an outer peripheral surface and an inner accommodation space. The second set of covers is fixedly connected to the other supporting base and is sleeved on 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 accommodation space. At least one outer electromagnet assembly is arranged between the two support bases and adjacent to the outer peripheral surface of the magnetic conduction ring. Wherein, the transmission shaft is connected to drive the rotating tray and the magnetic conduction 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 conduction ring.

Thus, when the reluctance braking device of the present invention is connected to drive the rotating tray and the magnetic conduction ring to rotate synchronously, the inner electromagnet assembly arranged in the magnetic conduction ring and the outer electromagnet assembly adjacent to the magnetic conduction ring can be simultaneously To provide reverse resistance, and thus have greater braking resistance.

Other examples of the foregoing embodiments are as follows: the foregoing supporting components further include a plurality of connecting components. Each connecting component is connected between the two support bases, and passes through one of the brake iron cores of the aforementioned 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 included in the following narrative. 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 sake of simplifying the drawings, some commonly used structures and elements will be shown in a simple and schematic way 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 it may mean that a certain element is indirectly connected. /Connected to another element means that there is another element interposed between the element and another element. And when it is stated that an element is "directly connected/connected" to another element, it means that there is no other element interposed between the element and another element. The terms first, second, third, etc. are used to describe different components, and have no limitation on the components themselves. Therefore, the first component can also be called the second component. Moreover, the combination of components/units/circuits in this article is not a combination that is generally known, conventional or conventional in this field. Whether the components/units/circuits themselves are known or not can be used to determine whether the combination relationship is easily recognized by those in the technical field. Usually knowledgeable people do it easily.

Please refer to Figure 1, Figure 2 and Figure 3 together, wherein Figure 1 is a front perspective view of a reluctance braking device 100 according to a first embodiment of the present invention; A rear perspective view of the reluctance braking device 100 of the first embodiment; and FIG. 3 is an exploded schematic diagram of the reluctance braking device 100 of FIG. 1 . As shown in Figures 1-3, the reluctance braking device 100 can be a part of the bodybuilding equipment (for example: flywheel, treadmill or slide machine), and the reluctance braking device 100 includes a supporting component 110, A transmission shaft 120 , a first cover 130 , a rotating tray 140 , a magnetic conducting ring 150 , a second cover 160 and at least one inner electromagnet assembly 170 .

The support assembly 110 includes two support bases 111 oppositely disposed, and each support base 111 includes a shaft hole 1113 . The transmission shaft 120 is pivotally disposed in the shaft hole 1113 of each supporting seat 111 . The first cover 130 is fixedly connected to one of the support bases 111 and sheathed 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 conducting ring 150 is disposed on one side of the rotating tray 140 and has an inner accommodation space 151 . The second cover 160 is fixedly connected to another support base 111 and is sleeved on the rotating tray 140 . The at least one inner electromagnet assembly 170 is disposed on the second cover 160 and between the magnetic permeable ring 150 and the second cover 160 , and the at least one inner electromagnet assembly 170 is located in the inner accommodation space 151 . When the transmission shaft 120 is driven to rotate, and is connected to drive the rotating tray 140 to rotate synchronously with the magnetic conducting ring 150 , the at least one inner electromagnet assembly 170 generates a reverse resistance relative to the rotating direction of the magnetic conducting ring 150 .

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

Specifically, the supporting component 110 may further include two connecting components 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 fastened to the frame of the fitness equipment (not shown) through screws, so that the support base 111 is fixed on the fitness equipment. Each connecting component 112 is connected between the two support bases 111 and includes a hexagon socket head screw 1121 , a sleeve 1122 and a nut. Specifically, the inner hexagon screw 1121 is passed through the positioning hole of the two first fixing parts 1111 , and the sleeve 1122 is sleeved on the inner hexagon screw 1121 and located between the two first fixing parts 1111 . The two support bases 111 are integrated by locking one end of the hexagon socket head 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 brake 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 part, one end of which is locked on the second cover 160, and there is a gap between the other end and the inner surface of the magnetic conduction ring 150, Wherein the gap may be 0.2mm, but the present invention is not limited thereto. The winding bracket 172 is sheathed on the brake core 171 . The electromagnetic coil 173 is disposed on the winding frame 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 permeable ring 150 rotates, the magnetic flux of the magnetic field experienced by the magnetic permeable ring 150 will increase with time. An induced current (ie, eddy current) is formed according to Faraday's law of electromagnetic induction, 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 will apply reverse resistance to the rotating magnetic ring 150 to brake the magnetic ring 150 , so that the fitness equipment has the exercise effect of load training. In addition, in other embodiments, the quantity of the aforementioned at least one inner electromagnet assembly can be plural, and these inner electromagnet assemblies are evenly distributed and locked on the second cover. In this way, the reverse resistance generated by each inner electromagnet assembly can be evenly applied to the magnetic permeable ring.

Please refer to FIGS. 1-3 and FIG. 4 together, wherein FIG. 4 is a cross-sectional view of the reluctance braking device 100 in FIG. 1 along the section 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 permeable 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 accommodated in the second cover 160 , and the through hole 141 runs through 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 part 162 and a second positioning part 163 . The first positioning portion 162 is disposed on one side of the die-casting part 161 and passes through the other supporting base 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 . Specifically, 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 a circular shape, and one end surface connected to the first positioning part 162 is locked through a screw. Be fixed on the aforementioned another supporting seat 111.

In addition, the inner edge of the rotating tray 140 has a first groove 144 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 is aligned with the second groove 121 of the transmission shaft 120 . In particular, the reluctance braking device 100 may further include two square keys 180a, 180b and a pulley 190 . The pulley 190 sleeves and is fixedly connected to one end of the transmission shaft 120 , and has a fourth groove 191 . The third groove 122 of the transmission shaft 120 is aligned with the fourth groove 191 of the pulley 190 . 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 fitness equipment, the pedals drive the pulley 190 to rotate through the belt. 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 square keys 180 a , 180 b , the magnetic conducting ring 150 can be linked to and driven to rotate. Therefore, the present invention replaces the magnetic conductive piece or the magnetic conductive piece connected to the conventional flywheel by disposing the magnetic conductive ring 150 on the rotating tray 140 to increase the received magnetic flux.

Furthermore, the first cover 130 may include a first limiting slot 131 , and the second cover 160 may include a second limiting slot 164 . The reluctance braking device 100 may further include two C-shaped retaining rings 123 and two ball bearings 124 . The two C-shaped buckles 123 are respectively embedded in the first limiting groove 131 and the second limiting groove 164 . The two ball bearings 124 are sleeved on two ends of the transmission shaft 120 and adjacent to the two C-shaped retaining rings 123 . Since the two ball bearings 124 sheathed on the transmission shaft 120 are respectively locked by the two C-shaped retaining rings 123 , the two ball bearings 124 are respectively limited inside 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 schematic perspective view of a reluctance brake device 200 according to a second embodiment of the present invention; and FIG. 6 is a schematic diagram of the reluctance brake in FIG. 5 Exploded schematic diagram of device 200. As shown in Figures 5 and 6, the reluctance braking device 200 includes a support assembly 210, a transmission shaft 220, a first cover 230, a rotating tray 240, a magnetically conductive ring 250, and a second cover (not otherwise shown), at least one inner electromagnet assembly (not otherwise shown), and at least one outer electromagnet assembly 270 . Specifically, except for the support assembly 210 and at least one outer electromagnet assembly 270, the reluctance braking device 200 of the second embodiment is the same as the other corresponding components of the reluctance braking device 100 of the first embodiment, so its structural configuration is different. Let me repeat.

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

In detail, the hexagon socket head screw 2121 passes through the fixing hole of the brake core 271 . One of the sleeves 2122 is located between one side of the brake iron core 271 and one of the support seats 211, the other sleeve 2122 is located between the other side of the brake iron core 271 and the other support seat 211, and both sleeves 2122 are set Set in hexagon socket head screw 2121. In this way, the outer electromagnet assembly 270 can be fixed between the two support bases 111 by locking one end of the hexagon socket head screw 2121 with the nut. The winding bracket 272 is sleeved on the brake core 271 . The electromagnetic coil 273 is disposed on the winding frame 272 and is electrically connected to the input wire 274 to receive current and generate a magnetic field.

When the transmission shaft 220 is connected to drive the rotating tray 240 to rotate synchronously with the magnetic conduction ring 250, the aforementioned at least one inner electromagnet assembly located in the inner accommodation space of the magnetic conduction ring 250 and the outer electromagnet on the outer peripheral surface 252 of the adjacent magnetic conduction ring 250 Any one of the components 270 generates an opposing resistance with respect to the direction of rotation of the magnetic permeable ring 250 . Thereby, the inner electromagnet assembly and the outer electromagnet assembly 270 of the reluctance braking device 200 of the present invention can both provide reverse resistance at the same time, thereby having greater braking resistance.

Please refer to FIG. 7 and FIG. 8 together, wherein FIG. 7 is a schematic perspective view of a reluctance brake device 300 according to a third embodiment of the present invention; and FIG. 8 is a schematic diagram of the reluctance brake in 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 perspectives. 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 in another figure), a rotating tray 340, a magnetically permeable 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 reluctance braking device 300 of the third embodiment is the same as other corresponding components of the reluctance braking device 200 of the second embodiment, so the structural configuration thereof will not be repeated here.

It should be noted 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 part 362 and a second positioning part 363 . The first positioning portion 362 is disposed on one side of the die-casting part 361 and passes 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 the shape of a well, and the inner electromagnet assembly 370a is locked on it by screws . In addition, the second cover 360 may further include a plurality of fins 3631 , and these fins 3631 are arranged around the second positioning portion 363 . The inner electromagnet assembly 370a is disposed on the two fins 3631 and connected to the end surface of the die-casting part 361 .

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

In summary, the present invention has the following advantages: First, both the inner electromagnet assembly and the outer electromagnet assembly can provide reverse resistance relative to the direction of rotation of the magnetic ring, so the present invention can still achieve Maximum braking resistance. Second, the present invention replaces the magnetically conductive piece or the magnetically conductive piece connected to the conventional flywheel by arranging the magnetically conductive ring on the rotating tray, so as to increase the received magnetic flux.

Although the present invention has been disclosed as above with the embodiments, it is not intended to limit the present invention. Anyone skilled in this 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 defined by the appended patent application scope.

100,200,300: Magnetic resistance braking device 110,210,310: support components 111,211,311: support seat 1111: the first fixed part 1112: the second fixed part 1113: shaft hole 112, 212: Connection components 1121,2121: hexagon socket head screw 1122,2122: Sleeve 120,220,320: drive shaft 121: Second groove 122: The 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: Pallet body 143: protruding part 144: The first groove 150,250,350: magnetic ring 151: Internal storage space 160,360: Second set of covers 161,361: Die castings 162,362: The first positioning department 163,363:Second positioning department 164: the second limit slot 170, 370a: inner electromagnet assembly 171,271: brake core 172,272: Winding bracket 173,273: Solenoid coil 174,274: input line 180a, 180b: square key 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: Figure 1 is a front perspective view of a reluctance brake device according to a first embodiment of the present invention; Fig. 2 is a rear perspective view showing the reluctance braking device according to the first embodiment of the present invention; Figure 3 is an exploded view of the reluctance braking device in Figure 1; Figure 4 is a cross-sectional view of the reluctance braking device in Figure 1 along the section line 4-4; FIG. 5 is a perspective schematic diagram of a reluctance braking device according to a second embodiment of the present invention; Figure 6 is an exploded view of the reluctance braking device shown in Figure 5; FIG. 7 is a schematic perspective view of a reluctance braking device according to a third embodiment of the present invention; and FIG. 8 is a schematic perspective view of the second cover of the reluctance braking device in FIG. 7 .

100: Magnetic resistance braking device

111: support seat

1111: the first fixed part

1112: the second fixed part

112: Connection components

120: drive shaft

140:Turn the tray

150: magnetic ring

160: Second set of covers

170: Inner electromagnet assembly

Claims (10)

A reluctance braking device, comprising: A supporting component, including two supporting seats opposite to each other, each of which includes a shaft hole; a transmission shaft, pivotally arranged in the shaft hole of each support base; a first cover, connected to one of the support bases, and sleeved on the transmission shaft; A rotating tray includes a through hole through which the transmission shaft passes; A magnetic conduction ring is arranged on the rotating tray and has an inner accommodation space; a second cover, connected to the other supporting base, and sleeved on the rotating tray; and At least one inner electromagnet assembly is arranged 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 accommodation space; Wherein, the transmission shaft is connected to drive the rotating tray to rotate synchronously with the magnetic conduction ring, and the at least one inner electromagnet assembly generates a reverse resistance relative to the rotation direction of the magnetic conduction ring. The reluctance braking device as described in claim 1, wherein the rotating tray further includes: a tray body, for the magnetic conducting ring to be affixed to; and A protruding part is arranged on one side of the tray body and accommodated in the second cover, and the through hole passes through the tray body and the protruding part. The reluctance braking device according to claim 1, wherein an inner surface of the rotating tray has a first groove, and an outer peripheral surface 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 reluctance braking device further includes: A side key is accommodated between the first groove and the second groove. The reluctance brake device as described in Claim 1, wherein the second cover includes: a die casting; A first positioning part is arranged on one side of the die-casting part and passes through the other support base; and A second positioning part is arranged on the other side of the die-casting part, and is sleeved on a protruding part of the rotating tray. The reluctance braking device according to claim 4, wherein the die-casting part is in a circular shape. The reluctance braking device according to claim 4, wherein the die-casting part is in the shape of a square. The reluctance braking device according to claim 1, wherein the at least one inner electromagnet assembly includes: a brake iron core locked to the second cover; a winding bracket, sleeved on the brake core; an electromagnetic coil surrounding the winding support; and An input line is connected to the electromagnetic coil. The reluctance braking device as described in claim 1, wherein 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 buckles are respectively embedded in the first limiting groove and the second limiting groove; and The two ball bearings are respectively sheathed on the transmission shaft and adjacent to the two C-shaped clasps. A reluctance braking device, comprising: A supporting component, including two supporting seats opposite to each other, each of which includes a shaft hole; a transmission shaft, pivotally arranged in the shaft hole of each support base; a first cover, connected to one of the support bases, and sleeved on the transmission shaft; A rotating tray includes a through hole through which the transmission shaft passes; A magnetic conduction ring is arranged on the rotating tray and has an outer peripheral surface and an inner accommodating space; A second set of cover is fixedly connected to the other supporting base and socketed on the rotating tray; At least one inner electromagnet assembly is disposed on the second cover and between the magnetic permeable ring and the second cover, and the at least one inner electromagnet assembly is located in the inner accommodation space; and At least one outer electromagnet assembly is arranged between the two support bases and adjacent to the outer peripheral surface of the magnetic conduction ring; Wherein, the transmission shaft is connected to drive the rotating tray and the magnetic conduction 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 conduction ring . The reluctance braking device as described in Claim 9, wherein the supporting component further includes: A plurality of connecting components, each connecting component is connected between the two support bases, and passes through one brake iron core of the at least one outer electromagnet component.

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