CN213159145U

CN213159145U - Magnetorheological suspensions trainer

Info

Publication number: CN213159145U
Application number: CN202022294122.XU
Authority: CN
Inventors: 李琦; 黎欣昌; 邓超
Original assignee: Jiangxi Sinotech New Materials Co ltd
Current assignee: Jiangxi Sinotech New Materials Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-05-11
Anticipated expiration: 2030-10-15

Abstract

The utility model belongs to the technical field of magnetorheological fluid, in particular to a magnetorheological fluid training device, aiming at the problems that the prior trainer changes the resistance of doing work mainly by increasing the weight of the trainer to achieve the aim of training, but the trainer is too heavy and inconvenient to use, the utility model provides a proposal which comprises a base, wherein a cavity is arranged in the base, four electromagnetic plates are arranged in the cavity in a sliding way, two nuts are fixedly connected between the two electromagnetic plates at the same side, two nut internal thread connecting sleeves on the same horizontal line are provided with the same screw rod, the threads at the two ends of the screw rod are symmetrically arranged, the two screw rods are both rotatably connected on the side inner wall of the cavity, and a first bevel gear is fixedly sleeved on the two screw rods, the utility model can push the nut and the electromagnetic plates at the two sides to slide by the rotation of the screw rod, thereby changing the distance between the electromagnetic plates, the magnetic force borne by the damping box is changed, so that the viscosity of the magnetorheological fluid is changed, and the training is facilitated.

Description

Magnetorheological suspensions trainer

Technical Field

The utility model relates to a magnetorheological suspensions technical field especially relates to a magnetorheological suspensions trainer.

Background

Magnetorheological Fluid (MR Fluid for short) belongs to controllable Fluid, and is one of the more active researches in intelligent materials. The magnetorheological fluid is a suspension formed by mixing tiny soft magnetic particles with high magnetic conductivity and low magnetic hysteresis and non-magnetic conductive liquid. The suspension has the characteristics of low viscosity Newtonian fluid under the condition of zero magnetic field; and under the action of a strong magnetic field, the Bingham body has the characteristics of high viscosity and low fluidity. The leg trainer is a common fitness apparatus, and the principle is that the leg trainer is stepped on by feet, and the leg trainer provides certain resistance, so that the exercise effect is obtained.

The existing trainer changes the resistance of doing work by mainly increasing the weight of the trainer per se to achieve the purpose of training, but the trainer is too heavy and inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the existing trainer changes the resistance of doing work mainly by increasing the weight of the trainer, thereby achieving the purpose of training, but the trainer is too heavy and inconvenient to use, and the magnetorheological fluid training device is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a magnetorheological suspensions trainer, the on-line screen storage device comprises a base, the cavity has been seted up in the base, it is provided with four electromagnetic plates to slide in the cavity, two nuts of fixedly connected with between two electromagnetic plates of homonymy, two nut internal thread adapter sleeves on same water flat line are equipped with same screw rod, the screw thread at screw rod both ends is the symmetry setting, two screw rods all rotate to be connected on the side inner wall of cavity, it is equipped with first bevel gear all to fix the cover on two screw rods, the meshing is provided with second bevel gear on the first bevel gear, it is equipped with same roller bearing to fix the cover on two second bevel gears, the top and the fixedly connected with knob of base are extended to the top of roller bearing, the conduction chamber has all been seted up on the both sides inner wall of cavity.

Preferably, two baffles of fixedly connected with in the damping box have all been seted up first spout on two baffles, and sliding connection has a limiting plate in two first spouts, the top fixedly connected with vaulting pole of limiting plate.

Preferably, the top end of the stay bar is fixedly connected with a pedal, the base is provided with two second sliding grooves, and the pedal is slidably connected in the second sliding grooves.

Preferably, the bottom of the pedal is fixedly connected with one end of a spring, and the other end of the spring is fixedly connected to the inner wall of the bottom of the second sliding groove.

Preferably, one side fixedly connected with locating piece of footboard, the bottom fixedly connected with slide bar of locating piece, fixedly connected with polymer screen magnetic sheet on the slide bar, polymer screen magnetic sheet cooperatees with the conduction chamber.

Compared with the prior art, the utility model has the advantages of:

1. the roller bearing can be rotated through the knob to this scheme, can rotate first bevel gear and screw rod through the last second bevel gear of roller bearing, rotates through the screw rod and can promote the electromagnetic plate slip of nut and both sides, and then can change the distance between electromagnetic plate and the damping box for the magnetic force that the damping box receives changes, thereby changes the viscosity of magnetorheological suspensions, makes the convenient regulation of training ware resistance.

2. This scheme can provide the cushion effect at footboard below fixedly connected with spring through the spring, and when the footboard pushed down simultaneously, can promote the slide bar gliding through the locating piece, when polymer screen magnetic sheet on the slide bar matches with the conduction chamber, can completely cut off the magnetic field to conveniently accumulate the inertia of footboard motion, the footboard of being convenient for slides about in succession, convenient training.

Drawings

Fig. 1 is a schematic structural diagram of a side view section of a magnetorheological fluid training apparatus provided by the present invention;

fig. 2 is a schematic structural view of a top view section of the magnetorheological fluid training apparatus provided by the present invention;

fig. 3 is a schematic structural view of a portion a in fig. 1 of a magnetorheological fluid training apparatus according to the present invention;

fig. 4 is a schematic structural diagram of a portion B in fig. 1 of a magnetorheological fluid training apparatus according to the present invention.

In the figure: the device comprises a base 1, a cavity 2, an electromagnetic plate 3, a nut 4, a screw rod 5, a first bevel gear 6, a second bevel gear 7, a rolling shaft 8, a knob 9, a transmission cavity 10, a damping box 11, a baffle 12, a first sliding groove 13, a limiting plate 14, a support rod 15, a pedal 16, a second sliding groove 17, a spring 18, a positioning block 19, a sliding rod 20 and a polymer screen magnetic plate 21.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-4, a magnetorheological fluid training device comprises a base 1, a cavity 2 is formed in the base 1, four electromagnetic plates 3 are slidably arranged in the cavity 2, two nuts 4 are fixedly connected between the two electromagnetic plates 3 on the same side, two nuts 4 on the same horizontal line are internally threaded and connected with the same screw 5, threads at two ends of the screw 5 are symmetrically arranged, the two screw 5 are rotatably connected to the inner side wall of the side surface of the cavity 2, a first bevel gear 6 is fixedly sleeved on the two screw 5, a second bevel gear 7 is meshed with the first bevel gear 6, a same roller 8 is fixedly sleeved on the two second bevel gears 7, the top end of the roller 8 extends to the upper side of the base 1 and is fixedly connected with a knob 9, a conduction cavity 10 is formed on the inner wall of two sides of the cavity 2, the conduction cavity 10 is matched with the electromagnetic plates 3, two damping boxes 11 are fixedly, magnetorheological fluid is placed in the damping box 11, and the rolling shaft 8 can be rotated by arranging the knob 9.

In this embodiment, two baffles 12 of fixedly connected with in the damping case 11 have all seted up first spout 13 on two baffles 12, and sliding connection has limiting plate 14 in two first spouts 13, and limiting plate 14's top fixedly connected with vaulting pole 15 through setting up baffle 12, can make things convenient for limiting plate 14 to slide.

In this embodiment, two second chutes 17 have been seted up to the top fixedly connected with footboard 16 of vaulting pole 15 on the base 1, and footboard 16 sliding connection is through setting up footboard 16, conveniently pushes down vaulting pole 15 in second chute 17.

In this embodiment, one end of a spring 18 is fixedly connected to the bottom of the pedal 16, and the other end of the spring 18 is fixedly connected to the inner wall of the bottom of the second sliding groove 17, so that the spring 18 can provide buffering.

In this embodiment, one side of the pedal 16 is fixedly connected with a positioning block 19, the bottom of the positioning block 19 is fixedly connected with a sliding rod 20, the sliding rod 20 is fixedly connected with a polymer screen magnetic plate 21, the polymer screen magnetic plate 21 is matched with the conduction cavity 10, and the magnetic field can be isolated by arranging the polymer screen magnetic plate 21.

Example two

Referring to fig. 1-4, a magnetorheological fluid training device comprises a base 1, a cavity 2 is formed in the base 1, four electromagnetic plates 3 are slidably arranged in the cavity 2, two nuts 4 are fixedly welded between the two electromagnetic plates 3 on the same side, two nuts 4 on the same horizontal line are internally threaded and connected with the same screw 5, threads at two ends of the screw 5 are symmetrically arranged, the two screw 5 are rotatably connected to the inner wall of the side surface of the cavity 2, a first bevel gear 6 is fixedly sleeved on the two screw 5, a second bevel gear 7 is meshed with the first bevel gear 6, a same roller 8 is fixedly sleeved on the two second bevel gears 7, the top end of the roller 8 extends to the upper part of the base 1 and is fixedly welded with a knob 9, a conduction cavity 10 is formed on the inner wall of two sides of the cavity 2, the conduction cavity 10 is matched with the electromagnetic plates 3, two damping boxes 11 are fixedly arranged, magnetorheological fluid is placed in the damping box 11, and the rolling shaft 8 can be rotated by arranging the knob 9.

In this embodiment, 11 internal fixation welding of damping case has two baffles 12, has all seted up first spout 13 on two baffles 12, and sliding connection has limiting plate 14 in two first spouts 13, and the fixed welding in top of limiting plate 14 has vaulting pole 15, through setting up baffle 12, can make things convenient for limiting plate 14 to slide.

In this embodiment, the fixed welding in top of vaulting pole 15 has footboard 16, has seted up two second spout 17 on the base 1, and footboard 16 sliding connection is through setting up footboard 16, conveniently pushes down vaulting pole 15 in second spout 17.

In this embodiment, one end of the spring 18 is fixedly welded to the bottom of the pedal 16, and the other end of the spring 18 is fixedly welded to the inner wall of the bottom of the second sliding groove 17, so that the spring 18 is arranged to provide buffering.

In this embodiment, a positioning block 19 is fixedly welded on one side of the pedal 16, a sliding rod 20 is fixedly welded at the bottom of the positioning block 19, a polymer screen magnetic plate 21 is fixedly welded on the sliding rod 20, and the polymer screen magnetic plate 21 is matched with the conduction cavity 10. By providing the polymer shield magnetic plate 21, the magnetic field can be isolated.

In this embodiment, can rotate roller bearing 8 through knob 9, can rotate first bevel gear 6 and screw rod 5 through second bevel gear 7 on the roller bearing 8, it can promote the electromagnetism board 3 slip of nut 4 and both sides to rotate through screw rod 5, and then can change the distance between electromagnetism board 3 and damping box 11, make the magnetic force that damping box 11 receives change, thereby change the viscosity of magnetorheological suspensions, make the trainer resistance conveniently adjust, fixedly connected with spring 18 in footboard 16 below, can provide the buffer power through spring 18, when footboard 16 pushes down simultaneously, can promote the gliding of slide bar 20 through locating piece 19, when polymer screen magnetism board 21 on the slide bar 20 matches with conduction chamber 10, can isolated magnetic field, thereby conveniently accumulate the inertia of footboard 16 motion, be convenient for footboard 16 slides from top to bottom in succession, convenient training.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. The magnetorheological fluid training device comprises a base (1) and is characterized in that a cavity (2) is formed in the base (1), four electromagnetic plates (3) are arranged in the cavity (2) in a sliding mode, two nuts (4) are fixedly connected between the two electromagnetic plates (3) on the same side, a same screw (5) is sleeved on the two nuts (4) on the same horizontal line in a threaded connection mode, threads at two ends of the screw (5) are symmetrically arranged, the two screw (5) are rotationally connected to the inner wall of the side face of the cavity (2), a first bevel gear (6) is fixedly sleeved on the two screw (5), a second bevel gear (7) is arranged on the first bevel gear (6) in a meshed mode, a same rolling shaft (8) is fixedly sleeved on the two second bevel gears (7), the top end of the rolling shaft (8) extends to the upper portion of the base (1) and is, the inner walls of the two sides of the cavity (2) are provided with conduction cavities (10), the conduction cavities (10) are matched with the electromagnetic plate (3), the base (1) is internally fixedly provided with two damping boxes (11), and magnetorheological fluid is placed in the damping boxes (11).

2. The magnetorheological fluid training device according to claim 1, wherein two baffles (12) are fixedly connected in the damping box (11), first sliding grooves (13) are formed in the two baffles (12), limiting plates (14) are slidably connected in the two first sliding grooves (13), and support rods (15) are fixedly connected to the tops of the limiting plates (14).

3. The magnetorheological fluid training device according to claim 2, wherein a pedal (16) is fixedly connected to the top end of the stay bar (15), two second sliding grooves (17) are formed in the base (1), and the pedal (16) is slidably connected in the second sliding grooves (17).

4. A magnetorheological fluid training apparatus according to claim 3, wherein one end of a spring (18) is fixedly connected to the bottom of the pedal (16), and the other end of the spring (18) is fixedly connected to the inner wall of the bottom of the second chute (17).

5. The magnetorheological fluid training device according to claim 3, wherein one side of the pedal (16) is fixedly connected with a positioning block (19), the bottom of the positioning block (19) is fixedly connected with a sliding rod (20), the sliding rod (20) is fixedly connected with a polymer screen magnetic plate (21), and the polymer screen magnetic plate (21) is matched with the conduction cavity (10).