CN115845319B - Magnetic torque device - Google Patents
Magnetic torque device Download PDFInfo
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- CN115845319B CN115845319B CN202310079083.7A CN202310079083A CN115845319B CN 115845319 B CN115845319 B CN 115845319B CN 202310079083 A CN202310079083 A CN 202310079083A CN 115845319 B CN115845319 B CN 115845319B
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- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 24
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- 239000011425 bamboo Substances 0.000 claims description 24
- 238000005096 rolling process Methods 0.000 claims description 18
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- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Abstract
The invention relates to the technical field of fitness machinery accessories, in particular to a magnetic torque device which comprises a magnetic yoke, wherein a magnetic conduction cylinder is arranged on the inner wall of the magnetic yoke, a rotor is movably arranged in the magnetic conduction cylinder, magnetic powder is filled between the rotor and the magnetic conduction cylinder, a rotating shaft is arranged at the upper end of the rotor, a turntable is arranged at the outer end of the rotating shaft, the outer end of the rotating shaft is rotationally connected with an upper plate through a bearing, a cylinder body is arranged at the outer end of the upper plate, the upper end surface of the upper plate is downwards sunken to form a plurality of round holes, electromagnets are arranged in the round holes, the upper end surface of the turntable is downwards sunken to form a first annular groove, an annular magnetic block is arranged in the first annular groove, a plurality of electromagnets are arranged right above the annular magnetic block and are mutually adsorbed and arranged with the annular magnetic block.
Description
Technical Field
The invention relates to a magnetic torque device, and belongs to the technical field of fitness equipment accessories.
Background
The utility model provides a health and fitness equipment is the exercise equipment that the effect of having the body-building needs and use is reached to the person who makes the body-building, and all adopt the mode of stack formula counter weight iron to traditional strength type health and fitness equipment counter weight source, people quote the magnetic torsion ware into the health and fitness equipment, change the rectilinear motion of traditional health and fitness equipment counter weight source into rotary motion, the rectilinear force of overcoming gravity changes the torsional force of overcoming the moment of torsion into, cause magnetic torsion ware to be one of the main accessories of current health and fitness equipment, prior art's magnetic torsion ware generally comprises the yoke that twines the coil, the magnetic conduction section of thick bamboo of installing in the yoke, the rotor of installing in the magnetic conduction section of thick bamboo, the magnetic powder of packing between rotor and magnetic conduction section of thick bamboo and install the output shaft on the rotor, when using, carry out the circular telegram to the coil of twining on the yoke and produce the magnetic field earlier, and then make the magnetic powder produce the magnetic powder chain, and then produce frictional force, and then realize the production of moment of torsion, but when breaking the circuit of coil of twining on the yoke, and the pivot can take place under the inertial effect, and then make the pivot appearance and put phenomenon, and then influence stability, therefore, need design a magnetic torsion ware to come the above-mentioned problem.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a magnetic torque device.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a magnetism torsion ware, includes the yoke that the winding has the coil, magnetic conduction section of thick bamboo is installed to the yoke inner wall, movable mounting rotor in the magnetic conduction section of thick bamboo and rotor and magnetic conduction section of thick bamboo are filled with the magnetic powder, rotor upper end installation vertical arrangement's pivot, and pivot extension magnetic conduction section of thick bamboo upside, pivot outer end installation carousel and carousel are located magnetic conduction section of thick bamboo top, the pivot outer end passes through the bearing and rotates and connect upper plate and be located the carousel upside, upper plate outer end installation barrel and barrel up end coincide with the upper plate up end together, upper plate up end undercut forms a plurality of round holes and round hole and runs through the upper plate, and a plurality of the round hole is circular arrangement and the round hole is located the pivot outside, set up the electro-magnet in the round hole, carousel up end undercut forms first ring channel and first ring channel is located the pivot outside, install annular magnet in the first ring channel, the positive upside of annular magnet sets up a plurality of electro-magnets and electro-magnet and mutual absorption arrangement of annular magnet, the outside sunken formation second of inner wall, the outer end installation of carousel is a plurality of rolling members of rolling arrangement, a plurality of rolling members are located the rolling members and are located the side of rolling plate down side of the rotary plate under the rolling plate, rolling member is located the rolling plate down the side of the rolling plate is located the side of the rolling plate.
Further, the lower end face of the lower plate is recessed upwards to form a plurality of heat dissipation through grooves, the heat dissipation through grooves penetrate through the lower plate, the heat dissipation through grooves are formed right above the magnetic yoke, a plurality of fixing plates which are circularly arranged are mounted at equal intervals at the lower end of the rotary disc, the fixing plates are located outside the rotary shaft, and the fixing plates are arranged right above the heat dissipation through grooves.
Further, two annular plates are symmetrically arranged at the outer end of the cylinder body, a plurality of mounting holes are formed in the mode that the lower end face of the annular plate is recessed upwards, the mounting holes penetrate through the annular plate, and the mounting holes are arranged in a circular mode.
Further, a plurality of reinforcing members arranged in a circular shape are equidistantly arranged between the two annular plates and are arranged at the outer end of the cylinder body, and the reinforcing members are arranged with the mounting Kong Jiaoti.
Further, first shutoff board and first shutoff board laminating are in the rotor lower extreme to magnetic conduction section of thick bamboo lower extreme installation, magnetic conduction section of thick bamboo upper end installation second shutoff board and second shutoff board are located the pivot outside, the second shutoff board sets up in barrel downside and second shutoff board laminating in the rotor upper end.
The invention has the beneficial effects that:
(1) According to the magnetic torque device, in the rotating process of the rotating shaft, the turntable and the annular magnetic block rotate, the electromagnet is electrified to generate a magnetic field, magnetic resistance is further generated between the electromagnet and the annular magnetic block, torque is generated on the turntable under the action of the magnetic resistance, the torque is used for assisting torque operation, different numbers of electromagnet circuits can be connected for adjusting the torque, and simultaneously when coils wound on the magnetic yoke are powered off, the adsorption force generated between the annular magnetic block and the electromagnet is larger than the autorotation torque generated by inertia of the rotating shaft, so that the annular magnetic block, the turntable and the rotating shaft stop rotating, the accumulation phenomenon of the rotating shaft is effectively avoided, and the stability is high.
(2) According to the magnetic torque device, as the magnetic powder is positioned in the snakelike space formed by the annular bulges and the annular grooves, the phenomenon of agglomeration caused by downward movement and accumulation of the magnetic powder is effectively avoided, the magnetic torque device is used for ensuring that the magnetic powder can work normally, ensuring good uniformity of magnetic powder tiling, increasing the working surface between the magnetic conductive cylinder and the rotor and improving the torque generating effect.
(3) According to the magnetic torque device, the cylinder body is fastened and installed by the bolts and the nuts, and meanwhile, a section of gap is formed between the two annular plates, so that a section of exposed part appears at the screw rod part of the bolts, when the bolts and the nuts cannot be detached, the exposed part of the bolts can be cut off, the cylinder body can be detached conveniently and rapidly, and the magnetic torque device is convenient to maintain.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of a magnetic torque device according to the present invention;
FIG. 2 is a cross-sectional view of a magnetic torque device according to the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an assembly view of an annular magnet and a turntable in a magnetic torque device according to the present invention;
FIG. 5 is an assembly view of a turntable and a fixed plate in a magnetic torque device according to the present invention;
FIG. 6 is a schematic view of a lower plate of a magnetic torque device according to the present invention;
FIG. 7 is a schematic diagram of a magnetic conductive cylinder in a magnetic torque device according to the present invention;
fig. 8 is an assembly view of a rotor and a shaft in a magnetic torque device according to the present invention.
In the figure: 1. yoke, 2, barrel, 3, electro-magnet, 4, pivot, 5, upper plate, 6, annular magnetic path, 7, carousel, 8, magnetic conduction section of thick bamboo, 9, rotor, 21, annular plate, 22, lower plate, 23, heat dissipation through groove, 71, fixed plate, 72, ox eyeball, 81, annular arch, 82, first shutoff board, 83, second shutoff board, 91, annular groove.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Referring to fig. 1, 2, 7 and 8, the present invention provides a technical solution: the utility model provides a magnetism torque force ware, including winding the yoke 1 that has the coil, will be in the magnetic conduction section of thick bamboo 8 that is circular structure and install on the yoke 1 inner wall that is circular structure, and movable mounting rotor 9 in magnetic conduction section of thick bamboo 8, the yoke 1 that winds the coil is used with rotor 9 cooperation, make pivot 4 rotatory, will extend the pivot 4 that is vertical arrangement of magnetic conduction section of thick bamboo 8 upside and install on rotor 9 upper end, and install the first shutoff board 82 that is circular structure that is laminating in rotor 9 lower extreme on magnetic conduction section of thick bamboo 8 lower extreme, install on magnetic conduction section of thick bamboo 8 upper end with the second shutoff board 83 that is annular structure that is located the pivot 4 outside again, first shutoff board 82 and second shutoff board 83 cooperation use, two openings are sealed about magnetic conduction section of thick bamboo 8, inwards sunken form a plurality of annular grooves 91 in rotor 9 outer end, and equidistantly install a plurality of annular bulge 81 on magnetic conduction section of thick bamboo 8 inner wall, and annular bulge 81 and annular groove 91 alternate arrangement, and fill in the space that forms between a plurality of annular bulge 81 and a plurality of annular groove 91 and magnetic powder.
Specifically, when in use, the rotating shaft 4 is connected to the transmission mechanism of the fitness equipment, then the coil wound on the magnetic yoke 1 is electrified and generates a magnetic field, so that the rotor 9 rotates, the rotating shaft 4 rotates, meanwhile, the magnetic powder filled in the serpentine space formed between the annular protrusions 81 and the annular grooves 91 generates a magnetic powder chain, so that friction force is generated, torque force is generated by the friction force in the rotating process of the rotor 9, and the phenomenon that the magnetic powder is accumulated due to downward movement is effectively avoided because the magnetic powder is positioned in the serpentine space formed between the annular protrusions 81 and the annular grooves 91, so that the magnetic powder can work normally, the uniformity of magnetic powder tiling is good, the working surface between the magnetic conductive cylinder 8 and the rotor 9 is increased, and the torque force generating effect is improved.
As shown in fig. 1, fig. 2 and fig. 4, a turntable 7 above a magnetic conduction cylinder 8 is mounted on the outer end of a rotating shaft 4, an upper plate 5 located on the upper side of the turntable 7 is connected to the outer end of the rotating shaft 4 through bearing rotation, the upper end face of the upper plate 5 is downwards recessed to form a plurality of round holes which are circularly arranged and penetrate through the upper plate 5, the round holes are located on the outer side of the rotating shaft 4, mounting space is provided for the electromagnets 3 through the round holes, the electromagnets 3 in a circular structure are mounted in the round holes, a first annular groove is formed in the upper end face of the turntable 7 and downwards recessed to be located on the outer side of the rotating shaft 4, annular magnetic blocks 6 are mounted in the first annular groove, mounting space is provided for the annular magnetic blocks 6 through the first annular groove, and a plurality of electromagnets 3 which are mutually adsorbed and arranged with the annular magnetic blocks 6 are arranged on the right upper side of the annular magnetic blocks 6.
Specifically, in the rotatory in-process of pivot 4, can make carousel 7 rotate, and then make annular magnet 6 rotate, and carry out the circular telegram to electromagnet 3, thereby make electromagnet 3 produce the magnetic field, because of annular magnet 6 and electromagnet 3 arrange each other, and annular magnet 6 is in the rotation state, and then produce magnetic resistance between electromagnet 3 and annular magnet 6, and under the effect of magnetic resistance, can produce the moment of torsion to carousel 7, be used for assisting torsion operation, electromagnet 3 designs a plurality of this moment, can be according to switching on the different quantity of electromagnet 3 circuits, be used for adjusting the torsion size, simultaneously when the winding coil on yoke 1 cuts off the power supply, can make rotor 9 stop rotating, the adsorption force that produces between annular magnet 6 and electromagnet 3 is greater than the rotation torsion that pivot 4 produced because of inertia this moment, and then make annular magnet 6, carousel 7 and pivot 4 stop rotating, effectively avoid pivot 4 to appear the power up and put the phenomenon, stability is high.
As shown in fig. 1, 2 and 3, the cylinder body 2 with the upper end face overlapped with the upper end face of the upper plate 5 is mounted on the outer end of the upper plate 5, a mounting carrier is provided for the upper plate 5 and other parts by the cylinder body 2, a second annular groove is formed by outwards recessing the inner wall of the cylinder body 2, fixing parts of a plurality of rolling members which are circularly arranged are equidistantly mounted on the outer end of the rotary table 7, movable parts of the plurality of rolling members are in rolling connection with the second annular groove, the rolling members are matched with the second annular groove for ensuring the rotation stability of the rotary table 7, the rolling members can adopt a bull's eye 72, two annular plates 21 are symmetrically mounted on the outer end of the cylinder body 2, a plurality of mounting holes which penetrate through the annular plates 21 are formed in a circular arrangement at the lower end face of the annular plates 21, bolts penetrate through the annular plates 21 by the mounting holes, the circular arrangement of the plurality of reinforcing members mounted on the outer end of the cylinder body 2 are equidistantly mounted between the annular plates 21, the reinforcing members and the mounting Kong Jiaoti are arranged, the connecting strength between the two annular plates 21 is increased by the reinforcing members, and a rectangular reinforcing member can be adopted.
Specifically, firstly, the cylinder 2 penetrates through the holes in the carrier, meanwhile, the annular plate 21 on the upper side is attached to the carrier, the mounting holes are attached to the holes in the carrier, then the bolts penetrate through the corresponding two mounting holes in the two annular plates 21 and the holes in the carrier, the bolts are connected with the nuts in a threaded mode, the cylinder 2 is fastened and mounted, meanwhile, a section of gap is reserved between the two annular plates 21, a section of exposed portion is formed in the screw portion of the bolts, when the bolts and the nuts cannot be detached, the exposed portion of the bolts can be cut off, convenient disassembly of the cylinder 2 is achieved, and maintenance is facilitated.
As shown in fig. 2, 5 and 6, a lower plate 22 with a circular structure positioned at the lower side of a turntable 7 is mounted at the lower side of the inside of a cylinder body 2, then the lower plate 22 positioned at the upper side of a magnetic conduction cylinder 8 is rotationally connected to the outer end of a rotating shaft 4 through a bearing, a plurality of heat dissipation through grooves 23 penetrating through the lower plate 22 are formed by upwards recessing the lower end surface of the lower plate 22, the heat dissipation through grooves 23 are arranged right above a magnetic yoke 1, the magnetic yoke 1 is subjected to heat dissipation by the heat dissipation through grooves 23, a plurality of fixing plates 71 which are circularly arranged and positioned at the outer side of the rotating shaft 4 are mounted at the lower end of the turntable 7 at equal intervals, the fixing plates 71 are arranged right above the heat dissipation through grooves 23, and the plurality of fixing plates 71 are matched for use, so that air flow can be generated.
Specifically, in the rotation process of the rotating shaft 4, the turntable 7 is rotated, so that the plurality of fixing plates 71 rotate, air flow is generated at the lower side of the turntable 7, and the air flow passes through the plurality of heat dissipation through grooves 23 on the lower plate 22, so that the air flow is sprayed to the surface of the magnetic yoke 1, heat dissipation treatment on the magnetic yoke 1 is realized, the service life of the magnetic yoke 1 is prolonged, and the aim of linkage between torsion operation and heat dissipation is fulfilled.
In the specific embodiment, the cylinder 2 is penetrated through the hole on the carrier, the annular plate 21 on the upper side is attached to the carrier, the mounting hole is attached to the hole on the carrier, then the bolt is penetrated through the corresponding two mounting holes on the two annular plates 21 and the hole on the carrier, the bolt is in threaded connection with the nut, the cylinder 2 is further fastened and mounted, the rotating shaft 4 is connected to the transmission mechanism of the fitness equipment, then the coil wound on the magnet yoke 1 is electrified and generates a magnetic field, so that the rotor 9 rotates, the rotating shaft 4 rotates, meanwhile, the magnetic powder filled in the serpentine space formed between the annular protrusions 81 and the annular grooves 91 generates a magnetic powder chain, so that a friction force is generated, in the rotation process of the rotor 9, a torque force is generated by the friction force for realizing torsion operation, in the rotation process of the rotating shaft 4, the turntable 7 and the annular magnetic block 6 rotate, the electromagnet 3 generates a magnetic field, magnetic resistance is generated between the electromagnet 3 and the annular magnetic block 6, and torque is generated for assisting the torsion operation under the magnetic resistance.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. A magnetic torque device, characterized in that: including yoke (1) that twines the coil, magnet conduction section of thick bamboo (8) are installed to yoke (1) inner wall, movable mounting rotor (9) and rotor (9) are in the same place with magnet conduction section of thick bamboo (8) between packing, rotor (9) upper end installation vertical arrangement's pivot (4), and pivot (4) extend magnet conduction section of thick bamboo (8) upside, pivot (4) outer end installation carousel (7) and carousel (7) are located magnet conduction section of thick bamboo (8) top, pivot (4) outer end passes through bearing rotation connection upper plate (5) and upper plate (5) are located carousel (7) upside, upper plate (5) outer end installation barrel (2) and barrel (2) up end and upper plate (5) up end coincidence together, upper plate (5) up end undercut forms a plurality of round holes and round hole and pass through upper plate (5), a plurality of round hole are the circular arrangement and the round hole is located the pivot (4) outside, set up electro-magnet (3) in the round hole, upper end face (7) are located magnet (7) and are located magnet ring-shaped groove (6) and are located annular ring-shaped magnet (6) and are arranged in the annular groove (6) outside each other, the inner wall of the cylinder body (2) is outwards sunken to form a second annular groove, fixed parts of a plurality of rolling members which are circularly arranged are equidistantly arranged at the outer end of the rotary disc (7), a plurality of movable parts of the rolling members are in rolling connection with the second annular groove, a lower plate (22) is arranged at the lower side of the inside of the cylinder body (2), the lower plate (22) is positioned at the lower side of the rotary disc (7), and the lower plate (22) is rotationally connected at the outer end of the rotary shaft (4) through a bearing, and the lower plate (22) is positioned at the upper side of the magnetic conduction cylinder (8).
2. A magnetic torque device as claimed in claim 1, wherein: the lower end surface of the lower plate (22) is upwards recessed to form a plurality of heat dissipation through grooves (23), the heat dissipation through grooves (23) penetrate through the lower plate (22), the heat dissipation through grooves (23) are arranged right above the magnetic yoke (1), A plurality of fixing plates (71) which are circularly arranged are equidistantly arranged at the lower end of the rotary table (7), the fixing plates (71) are located on the outer side of the rotary shaft (4), and the fixing plates (71) are arranged right above the heat dissipation through grooves (23).
3. A magnetic torque device as claimed in claim 1, wherein: the outer end of the cylinder body (2) is symmetrically provided with two annular plates (21), the lower end face of each annular plate (21) is upwards recessed to form a plurality of mounting holes, the mounting holes penetrate through the annular plates (21), and the mounting holes are circularly arranged.
4. A magnetic torque device as claimed in claim 3, wherein: a plurality of reinforcing pieces which are arranged in a circular shape are equidistantly arranged between the two annular plates (21) and are arranged at the outer end of the cylinder body (2), and the reinforcing pieces are arranged with the mounting Kong Jiaoti.
5. A magnetic torque device as claimed in claim 1, wherein: the magnetic conduction section of thick bamboo (8) lower extreme installation first shutoff board (82) and first shutoff board (82) laminating are in rotor (9) lower extreme, magnetic conduction section of thick bamboo (8) upper end installation second shutoff board (83) and second shutoff board (83) are located the pivot (4) outside, second shutoff board (83) set up in barrel (2) downside and second shutoff board (83) laminating are in rotor (9) upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310079083.7A CN115845319B (en) | 2023-02-08 | 2023-02-08 | Magnetic torque device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310079083.7A CN115845319B (en) | 2023-02-08 | 2023-02-08 | Magnetic torque device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115845319A CN115845319A (en) | 2023-03-28 |
| CN115845319B true CN115845319B (en) | 2023-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310079083.7A Active CN115845319B (en) | 2023-02-08 | 2023-02-08 | Magnetic torque device |
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| Country | Link |
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| CN (1) | CN115845319B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5247410A (en) * | 1990-06-19 | 1993-09-21 | Hitachi, Ltd. | Magnetic disk apparatus using a rotary actuator for magnetic head positioning with reduced vibration |
| CN103706078A (en) * | 2013-12-20 | 2014-04-09 | 武汉体育学院 | Magnetic powder power twister special for resistance source of fitness equipment |
| CN104587661A (en) * | 2015-02-16 | 2015-05-06 | 金华市天裕工具有限公司 | Stepless regulation magnetic control device for bicycle exercise equipment |
| CN207071194U (en) * | 2017-08-29 | 2018-03-06 | 厦门脉合信息科技有限公司 | Body-building Spinning |
| CN108905047A (en) * | 2018-07-12 | 2018-11-30 | 南通宏大机电制造有限公司 | A kind of safe high stability fitness equipment resistance system |
| CN217139083U (en) * | 2022-03-11 | 2022-08-09 | 邱永玉 | Built-in electromagnet resistance wheel |
| CN217682915U (en) * | 2022-05-24 | 2022-10-28 | 江苏泰克曼传动设备有限公司 | Coupling overload protection structure |
-
2023
- 2023-02-08 CN CN202310079083.7A patent/CN115845319B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5247410A (en) * | 1990-06-19 | 1993-09-21 | Hitachi, Ltd. | Magnetic disk apparatus using a rotary actuator for magnetic head positioning with reduced vibration |
| CN103706078A (en) * | 2013-12-20 | 2014-04-09 | 武汉体育学院 | Magnetic powder power twister special for resistance source of fitness equipment |
| CN104587661A (en) * | 2015-02-16 | 2015-05-06 | 金华市天裕工具有限公司 | Stepless regulation magnetic control device for bicycle exercise equipment |
| CN207071194U (en) * | 2017-08-29 | 2018-03-06 | 厦门脉合信息科技有限公司 | Body-building Spinning |
| CN108905047A (en) * | 2018-07-12 | 2018-11-30 | 南通宏大机电制造有限公司 | A kind of safe high stability fitness equipment resistance system |
| CN217139083U (en) * | 2022-03-11 | 2022-08-09 | 邱永玉 | Built-in electromagnet resistance wheel |
| CN217682915U (en) * | 2022-05-24 | 2022-10-28 | 江苏泰克曼传动设备有限公司 | Coupling overload protection structure |
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| CN115845319A (en) | 2023-03-28 |
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