CN217015210U

CN217015210U - Magnetic damping device

Info

Publication number: CN217015210U
Application number: CN202123239338.7U
Authority: CN
Inventors: 何定; 刘治; 王凌海; 赖沛衍
Original assignee: Shenzhen Qianan Technology Co ltd
Current assignee: Shenzhen Qianan Technology Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-07-22
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a magnetic damping device, which comprises a frame body, wherein a connecting mechanism is arranged on the frame body, one end of the connecting mechanism is provided with a damping mechanism, the other end of the connecting mechanism is provided with a flywheel, the damping mechanism comprises a shell connected with the frame body, the shell consists of a first shell and a second shell, the first shell is connected with the frame body, at least one first through hole is arranged at the position corresponding to the connecting mechanism, at least one second through hole is arranged on the second shell, one end of the connecting mechanism extending into the shell is detachably connected with a metal disc provided with at least one blade, and a magnetic mechanism is arranged at the position corresponding to the metal disc to generate a resistance effect. According to the utility model, when the metal disc rotates relative to the magnetic mechanism to generate a resistance effect, wind can be generated to cool the magnetic damping device, and the problem of overlarge volume of the magnetic damping device caused by cooling by an additional fan in the prior art is solved.

Description

Magnetic damping device

Technical Field

The utility model relates to the field of sports equipment, in particular to a magnetic damping device.

Background

With the rapid development of society, the material level of people reaches the beginning high point, and simultaneously, people who live under the fast rhythm gradually realize the importance of personal health, a sports apparatus riding platform which can achieve riding exercise effect and feeling without outdoor is increasingly favored by people.

The damping device of the current platform of riding mainly divide into two kinds of types according to the principle that generates the resistance, magnetic damping device and liquid damping device promptly, wherein, magnetic damping device silence is effectual, extensively receives liking of people, magnetic damping device utilizes the magnet among the damping device to the magnetic attraction of metal disc for damping device provides the resistance, the high temperature of heat production in damping device can make magnet demagnetization, has weakened magnetic damping device's resistance effect, high temperature makes the bearing among the magnetic damping device overheated, causes damage etc. and arouses whole magnetic damping device by the heat overheated, there is the danger of scalding the user.

In view of the above, some magnetic damping devices in the prior art are provided with a cooling device, and most of the magnetic damping devices are provided with a fan specially near the metal plate to cool the damping device through the rotation of the fan, but the space volume of the fan in the magnetic damping device must be reserved, so that the magnetic damping device is bulky, unattractive, and inconvenient to transport and place.

Accordingly, there is a need for improvements and developments in the art.

SUMMERY OF THE UTILITY MODEL

In view of the above disadvantages of the prior art, an object of the present invention is to provide a magnetic damping device, which aims to solve the problem of the prior art that the overall size of the damping device is too large due to the need of installing a fan in the magnetic damping device with a certain space volume to cool.

The technical scheme of the utility model is as follows:

a magnetic damping device, includes the support body, swing joint is in coupling mechanism on the support body, set up the damping mechanism of coupling mechanism one end and setting are in the flywheel of the coupling mechanism other end, wherein, damping mechanism includes:

the shell is connected with the frame body, and at least one first through hole is formed in the position corresponding to the connecting mechanism;

the metal disc is detachably connected with the connecting mechanism extending into the shell and provided with blades;

and the magnetic mechanism is arranged on the shell at a position corresponding to the metal disc so as to generate resistance when the metal disc rotates relative to the magnetic mechanism.

The magnetic damping device is characterized in that at least one second through hole is formed in the position, corresponding to the outer side of the rack body, of the shell.

The magnetic damping device, wherein the magnetic mechanism is movably connected within the housing.

The magnetic damping device is characterized in that the shell further comprises a tube body, the magnetic mechanism is arranged in the tube body, one end of the magnetic mechanism is connected with the elastic mechanism arranged in the shell body, and the other end of the magnetic mechanism is connected with the stretching wire.

The magnetic damping device, wherein the elastic mechanism is a spring.

The magnetic damping device is characterized in that a cavity is formed by the edge extending outwards from one end of the frame body and the shell, and at least one third through hole is formed in the edge.

The magnetic damping device, wherein the blades are arranged on the metal disc within an angle interval of 85-95 degrees relative to the metal disc.

The magnetic damping device is characterized in that a fourth through hole is formed in the metal disc adjacent to the blade.

The magnetic damping device, wherein the magnetic mechanism comprises a base, at least one first magnet, at least one second magnet, and a channel is formed by the first magnet and the second magnet.

The magnetic damping device is characterized in that one side of the frame body corresponding to the connecting mechanism is provided with at least one opening.

Has the advantages that: the utility model discloses a magnetic damping device, which comprises a frame body, wherein a connecting mechanism is arranged on the frame body, one end of the connecting mechanism is provided with a damping mechanism, the other end of the connecting mechanism is provided with a flywheel, the damping mechanism also comprises a shell connected with the frame body, the shell consists of a first shell and a second shell, the first shell is connected with the frame body, the first shell is provided with at least one first through hole, at least one first through hole is arranged at the position corresponding to the connecting mechanism, at least one second through hole is arranged on the second shell, one end of the connecting mechanism extending into the shell is detachably connected with a metal disc, the metal disc is provided with blades, and a magnetic mechanism is arranged at the position corresponding to the metal disc and used for generating a resistance effect by the rotation of the metal disc relative to the magnetic mechanism. According to the magnetic damping device, when the metal disc rotates relative to the magnetic mechanism to generate a resistance effect, the metal disc can generate wind by rotating per se, a cooling effect can be achieved without arranging an additional fan on the magnetic damping device, the structure of the magnetic damping device is greatly simplified, and the size of the whole volume of the magnetic damping device is reduced.

Drawings

FIG. 1 is a block diagram of a magnetic damping device according to the present invention;

FIG. 2 is an exploded view of a magnetic damping device according to the present invention;

FIG. 3 is an exploded view of the frame body with the connecting mechanism of the present invention;

FIG. 4 is a block diagram of the bushing of the present invention;

FIG. 5 is an exploded view of the damping mechanism of the present invention;

FIG. 6 is a structural view of a metal disk according to the present invention;

FIG. 7 is a partial cross-sectional view of the damping mechanism of the present invention;

FIG. 8 is a partial cross-sectional view of a magnetic damping device in accordance with the present invention;

FIG. 9 is a block diagram of the connection of the spring mechanism to the magnetic mechanism of the present invention;

fig. 10 is an exploded view of the magnetic mechanism of the present invention.

Detailed Description

In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1 and 2, the magnetic damping device includes a frame body 100, a connecting mechanism 200, a flywheel 300, and a damping mechanism 400. The connecting mechanism 200 is movably connected to the frame body 100, and two ends of the connecting mechanism 200 are respectively connected to the flywheel 300 and the damping mechanism 400, so that a user can drive the connecting mechanism 200 to rotate through external riding equipment, and the flywheel 300 and the damping mechanism 400 respectively provide inertia force and resistance for the magnetic damping device, so that the user obtains smooth resistance to achieve a resistance effect similar to riding a bicycle.

As shown in fig. 1 and 3, the frame body 100 includes a fixing frame 120 and a connecting frame 110, the fixing frame 120 is used to connect with an external supporting frame or an object, for example, the fixing frame 120 may be connected with the supporting frames of different structural types, and a user may perform a riding experience or a riding exercise at different angles or postures, so that the user may select the supporting frames according to the requirement, so as to implement that one magnetic damping device may be applied to the supporting frames of multiple structural types. The connecting frame 110 is used for installing the connecting mechanism 200, for example, the connecting frame 110 is a tube structure, the connecting mechanism 200 can be movably connected in the connecting frame 110, and the internal space of the frame body 100 is fully utilized, so that the magnetic damping device has a small volume and is convenient to transport and carry.

As shown in fig. 3, at least one opening 111 is formed on one side of the frame body 100 corresponding to the position of the connection mechanism 200, and a user can connect to an external device through the opening 111, for example, a strip-shaped opening 111 is formed on one side of the supporting frame, and the user can contact the rear wheel of the bicycle with the connection mechanism 200 through the opening 111, and when the rear wheel of the bicycle rotates, the connection mechanism 200 can be driven to rotate, so that the connection mechanism 200 can transmit the resistance of the flywheel 300 and the damping mechanism 400 to the rear wheel of the bicycle. The user can also pass through opening 111 with the chain connect ride equipment with coupling mechanism 200, so that the equipment of riding passes through the chain drives coupling mechanism 200 rotates in order to obtain the resistance, from this the user passes through opening 111 realizes with multiple mode that external equipment with the connection of magnetic damping device, nimble application the magnetic damping device, opening 111 still does benefit to coupling mechanism 200 dispels the heat, prevents to a certain extent coupling mechanism 200 is overheated to cause the damage, or accelerates tire wear.

As shown in fig. 2 and 3, one end of the connecting frame 110 facing the damping mechanism 400 extends outward to form a rim 112, and a third through hole 113 is further disposed on the rim 112, where the third through hole 113 is used to accelerate heat dissipation of the connecting mechanism 200 disposed on the connecting frame 110. An outer cover 130 may be further disposed at an end of the frame body 100 corresponding to the flywheel 300, and the outer cover 130 is used to prevent an external object from entering the connection mechanism 200, so as to ensure that the connection mechanism 200 rotates stably and safely. The third through hole 113 may also be used to fix and limit the housing 430 and the connecting frame 110.

As shown in fig. 2, 3 and 4, the connecting mechanism 200 may include a shaft 210, one end of the shaft 210 is movably connected to the frame body 100 through a first rolling bearing 240, a spacer 253 and a stop collar 254 which are disposed at one end of the connecting frame 110, and the other end of the shaft 210 is movably connected to the frame body 100 through a second rolling bearing 230 which is disposed at the other end of the connecting frame 110, so that the shaft 210 may rotate with low wear. A sleeve 220 may be further sleeved outside the shaft 210, the sleeve 220 includes an inner sleeve 221 and an outer sleeve 223, the inner sleeve 221 is connected to the shaft 210, for example, the sleeve 220 is connected to the shaft 210 through a first key 250 and a second key 260, so as to achieve synchronous rotation of the sleeve 220 and the shaft 210. The outer sleeve 223 may be provided with friction lines on the outside thereof to increase friction when an external device such as a rear tire of a bicycle is in direct contact with the sleeve. The outer sleeve 223 may also be provided with a gear for indirect connection with an external device via a chain. An air duct 222 is arranged between the outer sleeve 223 and the inner sleeve 221, so that during the rotation of the connection mechanism 200, external air can circulate into the air duct 222 to take out heat in the connection mechanism 200.

As shown in fig. 2 and 5, the damping mechanism includes a housing 430, a metal disc 410 having a blade 411, and a magnetic mechanism 420, the housing 430 is connected to the frame body 100, the metal disc 410 is connected to the shaft 210 extending into the housing 430, and when the shaft 210 rotates, the shaft rotates relative to the magnetic mechanism 420 disposed in the housing 430, and a resistance is generated by cutting a magnetic induction line, so as to achieve a resistance effect.

As shown in fig. 5 and 8, a groove 435 is formed on the housing 430, and an inner side wall of the groove 435 is tangential to the edge 112 of the frame 100 and forms a chamber, so that the housing 430 is firmly connected to the frame 100. A plurality of first through holes 433 are formed in the groove 435, so that when the metal disc 410 provided with the blades 411 rotates to generate wind, the wind enters the chamber through the first through holes 433, and the heat of the connecting mechanism 200 is rapidly discharged out of the chamber through the third through holes 113 formed in the rim 112, thereby preventing the shaft 210 and the first rolling bearing 240 from being aged due to over-high temperature.

As shown in fig. 5 and 8, a second through hole 434 is further disposed at a position of the housing 430 corresponding to the frame body 100, so that the wind in the housing 430 passes through the second through hole 434, and is a device in contact with the connection mechanism 200, such as a bicycle rear tire in contact with the sleeve 220, or a device indirectly connected to the connection mechanism 200, such as a chain connected to the sleeve 220, to cool down, thereby preventing a user from being scalded by an external device due to high temperature or accidental scalding. The wind passing through the second through hole 434 may also accelerate the diffusion of heat at the opening 111 of the frame body 100.

As shown in fig. 2 and 6, the metal disc 410 is stably connected to the shaft 210 by a first screw, so that the metal disc 410 can rotate synchronously with the shaft 210, and the blades 411 are disposed on the metal disc 410, so that a user can conveniently replace or maintain the metal disc 410 when the metal disc 410 rotates. The blades 411 disturb the air inside the housing 430, generating wind to cool the damping mechanism 400. The blades 411 are disposed at an angle of 85 to 95 degrees with respect to the metal plate 410, for example, the blades 411 are disposed at an angle of 90 degrees perpendicular to the metal plate 410, so that when the metal plate 410 rotates, the surrounding air is disturbed to the maximum extent, and a large amount of wind is generated. When the metal disc 410 rotates, the vane 411 receives air resistance, so that the resistance effect of the damping mechanism 400 can be increased. And a fourth through hole 412 is further formed in a position adjacent to the blade 411, wind generated by the blade 411 can directly blow to the first through hole 433 and the second through hole 434 through the fourth through hole 412, and good cooling effect is realized due to the air flowability inside and outside the damping mechanism 400. The metal plate 410 may be an aluminum plate, which provides resistance to the damping mechanism 400 while reducing the mass of the magnetic damping device, facilitating handling and transportation.

As shown in fig. 7 and 8, the magnetic mechanism 420 is movably connected in the housing 430, so that the distance between the magnetic mechanism 420 and the metal plate 410 can be adjusted to adjust the resistance of the magnetic mechanism 420 to the metal plate 410, for example, one end of the magnetic mechanism 420 is rotatably connected in the housing 430, so that the position of the magnetic mechanism 420 relative to the metal plate 410 can be adjusted to control the amount of the cutting magnetic induction lines when the metal plate 410 rotates by controlling the projection area of the magnetic mechanism 420 on the metal plate 410, thereby controlling the resistance.

As shown in fig. 8 and 9, the housing 430 further includes a tube 431, the tube 431 is disposed toward the metal plate 410, and a slide 436 is disposed in the tube 431, so that the magnetic mechanism 420 can approach or depart from the metal plate 410 along the slide 436, thereby controlling the amount of resistance force applied to the metal plate 410 by adjusting the size of the projection area of the magnetic mechanism 420 on the metal plate 410. One end of the magnetic mechanism 420 facing the metal disc 410 is connected with an elastic mechanism 450, and the other end of the magnetic mechanism 420 is connected with an external stretching device through a stretching line 451, so that through the cooperation of the stretching line 451 and the elastic mechanism 450, a user can control the distance between the magnetic mechanism 420 and the metal disc 410 through the stretching line 451, that is, the size of the projected area of the magnetic mechanism 420 on the metal disc 410, and thus the size of the resistance of the metal disc 410 to the magnetic mechanism 420. The resilient mechanism 450 may be a spring that is inexpensive and easy to replace and install, and the spring may be bent and stretched to accommodate the structure inside the housing 430 to fully utilize the space inside the housing 430 to minimize the volume of the magnetic damping device.

As shown in fig. 10, the magnetic mechanism 450 includes a base 452, at least one first magnet 453 and at least one second magnet 454, a channel 455 is formed between the first magnet 453 and the second magnet 454, and when the user adjusts the amount of resistance through the magnetic mechanism 450, the user can adjust the amount of resistance by stretching a stretching wire 451 provided at one end of the base so that the metal plate 410 is located in the channel 455, and adjusting the size of the projected area of the first magnet 453 and the second magnet 454 on the metal plate 410 by stretching the stretching wire 451, thereby maximally using the volume of the metal plate 410.

As shown in fig. 5, the damping mechanism further includes a housing 440, and the housing 440 is connected to the casing 430 to prevent foreign objects from entering the damping mechanism 400. The outer cover 440 is further provided with an air inlet hole 441 to ensure that when the metal disc 410 rotates, a sufficient amount of air is sucked to promote air circulation inside and outside the damping mechanism 400.

As shown in fig. 2, the flywheel is detachably connected to the other end of the shaft 210 through a second screw 251 and a second washer 252, so as to provide an inertia force to the magnetic damping device, so that the magnetic damping device can smoothly rotate, thereby providing a realistic and realistic comfort for riding a bicycle. The user can also replace the flywheel 300 with a different mass to obtain a resistance effect suitable for himself.

In summary, the present invention discloses a magnetic damping device, which includes a frame body 100, a connecting mechanism 200, a damping mechanism 400 and a flywheel 300, wherein the damping mechanism 400 is respectively disposed at two sides of the connecting mechanism 200 to provide a smooth resistance for the magnetic damping device. The frame body 100 is provided with an opening 111 so that an external device can be connected with the magnetic damping device through the opening 111, and thus the magnetic damping device can be connected in different forms, such as a chain connection and a contact connection, so that the magnetic damping device has a wide application range. A metal disc 410 connected with the shaft rod 210 is arranged in the damping mechanism 400, blades 411 are arranged on the metal disc 410, and fourth through holes 412 are formed in positions adjacent to the blades 411, so that when the metal disc 410 rotates along with the shaft rod 210, the metal disc 410 can cool by wind generated by the blades 411, and it is not needed to add an additional fan in the damping mechanism 400 to cool the damping mechanism 400, so that the space of the damping mechanism 400 is reduced, and the cooling structure of the damping mechanism 400 is simplified. Still be provided with first through-hole 433 on damping mechanism 400's casing 430, first through-hole 433 with coupling mechanism 200 corresponds, from this wind in damping mechanism 400 can get into the border 112 of support body 100 with in the cavity that the recess 435 of casing 430 constitutes, for coupling mechanism 200 cools down, still be provided with third through-hole 113 on border 112, so that steam in the cavity is discharged. The housing 430 is further provided with a second through hole 434, and the position of the second through hole 434 corresponds to the rack body 100, so that the wind in the damping mechanism 400 can be blown to an external device in contact with or connected to the magnetic damping device through the second through hole 434 to cool the magnetic damping device, and meanwhile, the wind exhausted from the second through hole 434 can accelerate the air flow at the position of the opening 111 to cool the connecting mechanism 200. The angle of the blade 411 is 85 to 95 degrees relative to the metal disc 410, wind is generated to the maximum extent in the rotation process of the metal disc 410, and the wind can also directly blow the magnetic mechanism 420 to cool the magnetic mechanism. A tube body 431 is further arranged on the shell 430, the magnetic mechanism 420 is arranged in the tube body 431, and the spatial structure of the damping mechanism 400 is fully utilized, so that the magnetic damping device is small and convenient to carry. The magnetic mechanism 420 can also be movably connected in the pipe body 431 through a slide 436, one end of the magnetic mechanism is connected with a spring arranged in the shell 430, the other end of the magnetic mechanism is connected with a stretching wire 451, so that a user can control the distance between the magnetic mechanism 420 and the metal disc 410 by stretching the stretching wire 451, the area of the metal disc 410 for cutting a magnetic induction line is adjusted, the resistance of the damping mechanism 400 is further controlled, the magnetic mechanism 420 can also be an electromagnet, and the user can control the resistance of the magnetic damping device by controlling the current and voltage.

It is to be understood that the utility model is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a magnetic damping device, includes the support body, swing joint is in coupling mechanism on the support body sets up the damping mechanism of coupling mechanism one end is in with the setting the flywheel of the coupling mechanism other end, its characterized in that, damping mechanism includes:

2. The magnetic damping device of claim 1, wherein the housing further comprises at least one second through hole formed at a position corresponding to an outer side of the frame.

3. The magnetic damping device according to claim 2, characterized in that said magnetic mechanism is movably connected within said housing.

4. A magnetic damping device according to claim 3, wherein the housing further comprises a tube, the magnetic means being arranged in the tube, one end of the magnetic means being connected to the elastic means arranged in the housing and the other end being connected to the tensile wire.

5. A magnetic damping device according to claim 4, characterized in that said elastic means are springs.

6. The magnetic damping device of claim 5, wherein an outwardly extending rim of one end of the frame forms a chamber with the housing, and the rim is provided with at least one third through hole.

7. A magnetic damping device according to claim 6, characterized in that said blades are arranged on said metal disc at an angular interval ranging from 85 to 95 degrees with respect to said metal disc.

8. The magnetic damping device according to claim 7, characterized in that a fourth through hole is provided on the metal disc adjacent to the blade position.

9. The magnetic damping device of claim 8, wherein the magnetic mechanism comprises a base, at least a first magnet, at least a second magnet, the first magnet and the second magnet forming a channel.

10. The magnetic damping device according to claim 9, characterized in that at least one opening is provided on a side of the frame corresponding to the connecting mechanism.