CN2216843Y - Magnetic control load adjusting structure for health-care vehicle - Google Patents

Abstract

The utility model belongs to the technical field of health and recreation. A novel body building cycle magnetic control load adjusting mechanism is designed out. The utility model is characterized in that in load device, one end of the spring is connected with the end of a second support arm of a rocker arm, and the other end is connected at a machine frame; two ends of the screw rod are nested with turn buttons, and the outside thread section at the other end is screwed with a screw cap; on end of a cable is connected at the screw cap, and the other end is connected with the end of the second support arm of the rocker arm; by means of the guide and movement action of the screw rod to the steel cable and the action of the reversed tension of the spring, the deflection angle of the rocking arm is adjusted and changed; the damping value of the magnetic control body building cycle is changed. The device has the advantages of simple structure, easy assemble, and great reduction of manufacture cost.

Description

Structure is adjusted in a kind of magnetic control load of exercycle

The utility model relates to a kind of improvement of physical fitness apparatus, is meant that especially structure is adjusted in a kind of magnetic control load of exercycle, belongs to technical field healthy and amusement.

Common exercycle magnetic control load is adjusted structure as shown in Figure 1, its structure mainly is to be provided with a load runner 61 on the frame 6 of exercycle, runner 61 outer peripheral edges have layer of metal thin slice 62 and in its peripheral appropriate location one pedestal 7 are set, these pedestal 7 one ends articulate single-revolution seat 71, the other end is established a reducing gear 72, the appropriate location articulates a rocking arm 73 in the middle of this pedestal 7, this rocking arm has first arm 731 and is articulated in revolving bed 71, second 732 of arm is subjected to the effect of a spring 21 and is close to eccentric wheel 76 outer peripheral edges of 72 deceleration of reducing gear, borrow this reducing gear 72 deceleration eccentric wheels 76 rotations, and then change second arm 732 of this rocking arm 73 and the distance between eccentric wheel 76 axle center, produce suitable angle rotary with corresponding pulling revolving bed 71, impel magnet 77 changes on the revolving bed 71 to act on magnetic flux size on the load runner 61, adjusted the magnetomechanical damping value that changes exercycle.

But common magnetic control load is adjusted structure and is driven eccentric wheel 76 rotations and adjust the design that changes exercycle magnetomechanical damping size by reducing gear 72, because of reducing gear 72 except that having many reduction gearing, also include circuit board, detecting element such as switch and photoelectric cell, in order to cooperate this exercycle top instrument to show, make the operator can clearly understand the magnet controlled damping value of present this exercycle and even the physical state that operator itself presents fast, therefore its element is more, material and manufacturing assembly cost height, price improves relatively, and then influences the consumer and buy and be difficult to popularize.

For this reason, main purpose of the present utility model is to design a kind of new exercycle magnetic control load and adjusts structure, its simple structure, and assembling can reduce the manufacturing assembly cost of exercycle easily significantly.

The utility model provides a kind of magnetic control load of exercycle to adjust structure, be included in load runner of design on the frame of exercycle, the rotor periphery edge has the layer of metal thin slice and is provided with a pedestal in its peripheral appropriate location, and pedestal one end articulates the single-revolution seat, and the other end articulates a rocking arm.This rocking arm has first arm and second arm, wherein first arm and revolving bed are articulated, second arm then can be subjected to the action of load adjusting device and corresponding change revolving bed deflection angle, magnetic patch on the revolving bed changed act on magnetic flux size on this load runner.This design is characterised in that: this load adjusting device includes a spring, a cable wire, a screw rod and a nut at least, and its medi-spring one end is attached at second arm end, and the other end then down is attached on the frame.This screw rod then is pivoted and is attached at appropriate position, frame top, the nested knob of one end, and its opposite end external thread part then is screwed with nut.Cable wire is one the line footpath body of suitable length to be arranged, and an end is linked to this nut, and it is terminal and be the relative direction setting with this spring that the other end then down is linked to second arm of rocking arm.Led by screw rod to move effect and the effect of spring reversal interlocking relay and adjusted the deflection angle that changes second arm by this cable wire, and then the deflection angle of corresponding this revolving bed of change, exercycle magnet controlled damping value changed.

Relevant detailed construction of the present utility model, function and characteristics are described in detail in conjunction with the accompanying drawings for an embodiment.

The stereogram of structure is adjusted in a kind of common magnetic control load of Fig. 1;

The stereogram of Fig. 2 preferred embodiment of the present utility model;

The front schematic view of Fig. 3 Fig. 2;

A kind of working state schematic representation of Fig. 4 Fig. 3;

The another kind of working state schematic representation of Fig. 5 Fig. 3.

As Fig. 2, shown in Figure 3, the utility model is included in an exercycle frame 10 and is provided with a load runner 12, its outer peripheral edges are topped one deck circular arc scale copper 14, its side is provided with a load control device 20, this load control device 20 is included in rectangular-shaped pedestal 21 1 sides and articulates single-revolution seat 22, this revolving bed 22 has the radian profile close with load runner 12, be provided with the magnet piece 23 of predetermined number with respect to runner 12 circumferential lateral surface, one rocking arm 24, T-shaped, the appropriate location is connected the end of pedestal 21 with respect to this revolving bed 22 with a pivot connecting element 25 therebetween, and its top and side have respectively extended to form first arm 241 and second arm 242.Form the angle of predetermined angular between first arm 241 and second arm 242, wherein first arm 241 top provides a long elliptoid chute 243, be connected with an end of revolving bed 22 with a pivot connecting element 244, second arm 242 end then links a spring 26, and spring 26 is dragged strength under having for second arm 242.

In addition; other establishes a load adjusting device 30; comprise: a fixed bin 31 and a cable wire 32; fixed bin 32 is that a rectangular-shaped box body is not in order to (to show on the figure) on the engine housing that is fixed on exercycle; binding one screw rod 34 is pivoted by a steady pin 33; screw rod 34 upper ends are nested with a knob 35; knob 35 revolutions can produce relative rotation; its bottom external thread part 341 screws togather a nut 36; one side of nut 36 is connected with cable wire 32 1 ends; after cable wire 32 opposite ends are then passed fixed bin 31 bottoms and are positioned at a transverse slat 27 at frame 10 middle parts; down extend again and be connected with second arm 242 end of rocking arm 24; and being the relative direction setting with spring 26, cable wire 32 transverse slat 27 and 31 of fixed bins between transverse slat 27 and second arm 242 are distinguished a sheathed limited part 37 and protective casing 38 again.

The action specification that relevant magnetic control load control device 20 of the present utility model and load adjusting device are 30 is as follows:

When user's desire was adjusted the magnet controlled damping value of exercycle, the knob 35 of being held load adjusting device 30 by the user made the screw rod 34 in the fixed bin 31 produce corresponding rotation toward the predetermined direction rotation.Because screw rod 34 is led the effect of moving, and impels on this nut 36 and moves, and as shown in Figure 3, and moves on the corresponding drive cable wire 32.Owing to second arm 242 of move making to drive rocking arm 24 on the cable wire 32 upwards put and advised.Simultaneously, second effect that arm 242 is subjected to draw on the cable wire 32, the revolution that impels revolving bed 22 to produce suitable angle, even also magnet piece on the revolving bed 22 23 and load runner 12 gap smaller, it is big to make magnet piece 23 act on the magnetic flux quantitative change of scale copper 14, that is the 12 suffered load dampings of load runner become big.

Otherwise, when this knob 35 of user's reverse rotation, nut 36 is subjected to leading of screw rod 34 to move and move down in the fixed bin 31, this moment, second arm 242 of rocking arm 24 promptly was subjected to spring 26 drop-down effects and the bottom, that is impel the magnet piece on this revolving bed 22 23 and the gap of load runner 12 to become big, the magnetic flux that correspondingly makes magnet piece 23 on the revolving bed 22 act on scale copper 14 diminishes, even also the suffered load damping of exercycle diminishes.When nut 36 is led (as shown in Figure 4) when moving to fixed bin 31 lowest positions, second arm 242 is pulled down to lowest positions, 22 of revolving beds are the position below correspondingly, that is the crack is maximum between 14 of magnet piece 23 and the scale coppers, and makes the suffered load damping values of load runner 12 for minimum.In brief, the utility model be utilize leading of 36 of screw rods 34 and nut in the load adjusting device 30 to move to move on second arm 242 of effect interlock cable wire 32 and spring 26 corresponding brake rocker arms 24 or down in-migration change the magnetic flux that magnet piece 23 acts on scale copper 14, therefore can change the size of the suffered load damping of load runner 12.

The utility model cable wire 32 is at second arm 242 and 27 limited parts that overlapped 37 of transverse slat, be subjected to draw on the cable wire 32 at second arm 242 and move to when fixed point, two ends are stuck in transverse slat 27 and second 22 of arm (as shown in Figure 5) just about it, make the operator can't be rotated further knob 35, that is limit the terminal location that moves on second arm 242, in case non-return swivel base 22 blocks the generation of runner 12 situations.The resulting magnet controlled damping value of exercycle this moment then is maximum.In sum, the utility model provides a kind of and has more simple structure and low-cost design than common magnetic control load adjustment structure, has innovation advantage and progressive effect.

Claims (3)

1, structure is adjusted in a kind of magnetic control load of exercycle, comprise: on the frame of exercycle, be provided with a load runner, this rotor periphery edge has the layer of metal thin slice and is provided with a pedestal in peripheral appropriate location, this pedestal one end articulates the single-revolution seat, the other end is pivoted with a rocking arm, this rocking arm has first arm and second arm, wherein first arm and revolving bed are articulated, second arm then can be subjected to the action of load adjusting device and the deflection angle of corresponding change revolving bed, magnet piece is changed act on magnetic flux size on this load runner, it is characterized in that: this load adjusting device includes a spring at least, one cable wire, one screw rod and a nut, one end of its medi-spring is linked to the end of second arm, the other end then down is linked to frame, this screw rod then is pivoted and is linked to appropriate location on this frame, the nested knob of one end, its opposite end external thread part then is screwed with nut; Cable wire is one the line footpath body of suitable length to be arranged, and the one end is continuously in nut, and it is terminal and be the relative direction setting with this spring that the other end down is linked to second arm of rocking arm; Led by screw rod to move the reversal interlocking relay effect of effect and spring and adjusted the deflection angle that changes second arm by this cable wire, and then the deflection angle of corresponding change revolving bed, make the magnet controlled damping value that changes exercycle.

2, adjust structure according to the load of the described exercycle magnetic control of claim 1, it is characterized in that on the frame appropriate location above second arm, being provided with a transverse slat, just pass for this cable wire, and between transverse slat and second arm sheathed again a limited part with suitable length.

3, adjust structure according to the load of the described exercycle magnetic control of claim 1, it is characterized in that the screw rod and the nut of load adjustment assembly is installed in the fixed bin, this fixed bin is installed in exercycle engine housing appropriate location.

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