CN2164296Y

CN2164296Y - Force damper for exercising apparatus

Info

Publication number: CN2164296Y
Application number: CN 93209220
Authority: CN
Inventors: 陈平
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-04-29
Filing date: 1993-04-29
Publication date: 1994-05-11
Anticipated expiration: 2003-04-29

Abstract

The utility model relates to a force damper for sport equipment. The end of a fixed seat is spirally provided with a positioning seat and an adjustment barrel, a shaft lever is arranged in the fixed seat, a damping element is sheathed on the outside of the shaft lever between the fixed seat and the adjustment barrel, and a channel easy to deform is arranged on the damping element to prompt the two ends of the damping element to be interlocked by the fixed seat and the adjustment barrel to deform. When the adjustment barrel is rotated, compression deformation can be generated to the damping element or the damping element can be released to revert to the original state via the variation of the relative position between the fixed seat and the adjustment barrel, oppression or loose release of different degrees can be generated to the shaft laver relatively by the damping element, and thus adjustment resistance can be obtained.

Description

Force damper for exercising apparatus

The utility model relates to a kind of drag devices, particularly relates to a kind of sports equipment resistance gauge that replaces oil hydraulic cylinder.

Generally need reach the sports equipment of movement effects with resistance, mostly with oil hydraulic cylinder as drag devices, as Fig. 1, shown in 2, it is hydraulic type treadmills in the past, it mainly is the pedal 2 that respectively is pivoted in body frame 1 both sides of L type, and above pedal 2, respectively be provided with oil hydraulic cylinder 3 again, 4, two oil hydraulic cylinders 3, connect by pipeline 6 between 4, and oil

hydraulic cylinder

3,4 two ends articulate with body frame 1 and pedal 2 ends respectively, when stepping on wherein a pedal 2, pedal 2 is that the pivot pin 19 with body frame 1 is a center of rotation, impel terminal perk and promote wherein that the axostylus axostyle 39 of an oil hydraulic cylinder 3 inwardly shrinks ［ as shown in Figure 2 ］, and the oil plant in the oil hydraulic cylinder 35 is squeezed in the oil hydraulic cylinder 4 of another side via pipeline 6, make the release of taking advantage of a situation of axostylus axostyle 49 in another side oil hydraulic cylinder 4, and with the terminal swing downwards of another pedal 2, action repeatedly and reach the movement effects of marking time by this.

Sports equipment was with the member of oil hydraulic cylinder as slow weighing apparatus and resistance in the past, but oil hydraulic cylinder is easy to generate the shortcoming of leakage of oil when reality is used, in case leakage of oil just can't reach the movement effects of expection; Prices are rather stiff for oil hydraulic cylinder, causes the manufacturing cost of sports equipment high always.

Main purpose of the present utility model, be to provide a kind of sports equipment resistance gauge, it is to produce the resistance effect with the frictional force between damping element and the axostylus axostyle, replaces oil hydraulic cylinder in the past, not only can reach the resistance effect of expection, and not have the situation generation of leakage of oil.

Another purpose of the present utility model promptly is to provide a kind of sports equipment resistance gauge, and it is used for producing the member of damping, and it makes, assembles all quite simple, impels whole low cost of manufacture.

The purpose of this utility model reaches as follows:

A kind of sports equipment resistance gauge, it includes top cover, sleeve pipe, axostylus axostyle, and sleeve pipe and axostylus axostyle outboard end are installed in the sports equipment corresponding position respectively; It is characterized in that:

Described sleeve pipe is in regular turn by holder, positioning seat and adjust the tube be combined into that is spirally connected relatively, top cover is located to be adjusted on the tube, the contiguous side of adjusting tube of holder is provided with setting element, is equiped with damping element in the outer side edges of setting element, and damping element is provided with conduit; Top cover inside is provided with pressing part with respect to damping element, and pressing part pastes and touches at damping element one end.

The purpose of this utility model can also following mode reach: described sports equipment resistance gauge is characterized in that: the conduit of damping element is the annular groove of horizontally set.

Described sports equipment resistance gauge is characterized in that: the conduit of damping element also can be the elongated slot that vertically is provided with and is sky.

Described sports equipment resistance gauge is characterized in that: holder inside can be equiped with flexible member.

Advantage of the present utility model is: can adjust resistance to the different needs of damping according to the user, on damping element, be provided with the conduit of easy deformation, when rotating the adjustment tube, the length of sleeve pipe is changed, and inner damping element is subjected to holder and compressing or the pine oil effect of adjusting tube two members, when producing pressing action, can make damping element push distortion, and make the inner ring surface packing on axostylus axostyle and produce damping to inside; Structure not only is difficult the shortcoming toward the oil hydraulic cylinder leakage of oil by this, and its manufacturing, assembly are all quite simple, can reduce manufacturing cost.

Below by most preferred embodiment and accompanying drawing sports equipment of the present utility model is elaborated with resistance gauge, in the accompanying drawing:

Fig. 1 is the schematic perspective view of hydraulic type treadmills in the past.

Fig. 2 is the generalized section of hydraulic type treadmills in the past.

Fig. 3 is the exploded perspective view of the utility model preferred embodiment.

Fig. 4 is the combination section of the utility model preferred embodiment.

Fig. 5 is the operational motion schematic diagram of the utility model preferred embodiment.

Fig. 6 is the three-dimensional appearance schematic diagram of the utility model than embodiment.

Fig. 7 is the exploded perspective view of another preferred embodiment of the utility model.

Fig. 8 is the combination section of another preferred embodiment of the utility model.

Fig. 9 is the operational motion schematic diagram of another preferred embodiment of the utility model.

Figure 10 is the combination section of another preferred embodiment of the utility model.

Figure 11 is the combination section of another preferred embodiment of the utility model.

Please cooperate and consult Fig. 3, sports equipment resistance gauge of the present utility model includes: by holder 10, setting element 30, positioning seat 40, adjustment tube 60 sleeve pipes that are combined into and axostylus axostyle 20, setting element 30, damping element 50, top cover 70.

Holder 10, it makes the hollow cylinder with suitable length, and forms opening spatial accommodation 11 up in inside, is provided with the screw thread 12 of suitable length at the top outer ring surface, and be provided with pivot ear 13 in the bottom, can ［ do not show on the figure ］ in the appropriate position of sports equipment for the axle pivot.

Axostylus axostyle 20, it makes the thin round bar with predetermined length, and the bottom is installed with a limited block 21 than the great circle footpath by screw 211, and is installed in the spatial accommodation 11 of holder 10, the top then also is provided with articulated section 22, can ［ not show on the figure ］ for the appropriate position that is hubbed on sports equipment.

Setting element 30, it makes the short cylinder with axis hole 31, axis hole 31 can pass for axostylus axostyle 20, and the bottom is provided with radially and extends and than the flange 32 in great circle footpath, can supply to be placed on spatial accommodation 11 openings of holder 10, and impel the limited block 21 of axostylus axostyle 20 to be subjected to keeping out of flange 32 and can not to deviate from spatial accommodation 11.

Positioning seat 40, it makes hollow cylindrical, inside, bottom is provided with screw thread 41, can be for being arranged on the screw thread 12 of holder 10, and be combined into one with holder 10, screw thread 41 tops be formed with than roundlet footpath bring position 42 together, just can be within it sheathed for setting element 30, be provided with the screw thread 43 of suitable length in holder 40 tip exterior, in position locate and be provided with the scale 45 that the line of rabbet joint 44 and of annular arrangement makes vertically.

Damping element 50, present embodiment are to make the suitable cylinder of height with the rubber material, and inside is provided with perforation 51, just can be set on the axostylus axostyle 20, and its outer peripheral face offer several horizontally set and to the annular groove 52 of inner recess.

Adjust tube 60, it makes hollow cylindrical, its inside cooperates the screw thread 43 on positioning seat 40 tops and makes the internal thread 61 that is provided with suitable length, then be provided with than great circle seat hole 62 directly in internal thread 61 bottoms, seat 62 nearly appropriate positions, bottom, hole offer two slits 63 with appropriate depth, be formed with flexure strip 64 in two slits 63, and flexure strip 64 medial surfaces are equipped with a circular-arc projection 641.

Top cover 70, its central authorities are provided with perforation 71 and can pass for axostylus axostyle 20, are provided with screw thread 72 in the bottom, just can be arranged on the internal thread 61 of adjusting tube 60, and lowermost end form plane pressing part 73, impel pressing part 73 just to paste the tops of touching at damping element 50.

Effect statement as back that the utility model sports equipment is reached with resistance gauge institute expectability:

When desire is assembled, see also shown in Figure 3, after being set in members such as top cover 70, adjustment tube 60, damping element 50, positioning seat 40 and setting element 30 on the axostylus axostyle 20 in regular turn, again with screw 211 with limited block 21 locking in axostylus axostyle 20 bottoms, and an end that will have a limited block 21 is stretched spatial accommodation 11 inside that are located at holder 10; Then, after the screw thread 41 of the screw thread 12 on holder 10 tops and positioning seat 40 bottoms screwed engagement, setting element 30 just is positioned at brings together in the position 42, and holder 10, setting element 30 and positioning seat 40 are combined into one, simultaneously, flange 32 through setting element 30 supports the effect that ends, and can limit the shift motion of the limited block 21 of axostylus axostyle 20; Then, intermesh adjusting the internal thread 61 of tube 60 and the screw thread 43 on positioning seat 40 tops, again top cover 70 is tightened on the top of adjusting tube 60, can makes damping element 50 be positioned between pressing part 73 and the setting element 30, and finish whole assembling ［ shown in Fig. 4,6 ］.

As shown in Figure 4, it is to be presented at the undamped situation, be installed in the precalculated position of sports equipment when resistance gauge, and the operational movement equipment makes when axostylus axostyle 20 is done axial relative motion in holder 10 inside, because of being extruded, damping element 50 do not produce distortion, so that have the gap between the inner ring surface of damping element 50 and the axostylus axostyle 20, at this moment, when making axostylus axostyle 20 do to stretch out action as if operator's operational movement equipment, because

axostylus axostyle

20 and 50 of damping elements there is no the generation damping, so can operate easily.

Because of the operation build, the application of force difference of age and desire operation, for the demand of damping also difference to some extent, when the bigger damping of needs, as shown in Figure 5, the rotatable tube 60 of adjusting, then adjust tube 60 and can drive the pressing part 73 of top cover 70 to the extruding of the top of damping element 50, and the setting element 30 of bottom provides one to support the effect that ends, make that its entire length can shorten when in a single day damping element 50 tops were squeezed, and the effect that is squeezed of annular groove 52 1, annular groove 52 inboards are radially oppressed towards axostylus axostyle 20, even also produce damping between axostylus axostyle 20 and the damping element 50, and heal when big when the deflection of damping element 50, the damping that it produced is just bigger; Repeatable operation by this can obtain preferable movement effects.

What deserves to be mentioned is, as shown in Figure 5, when when adjusting damping, the bottom cap of adjusting tube 60 is located at positioning seat 40 tops, and the projection 641 of adjusting tube 60 can be trapped in the line of rabbet joint 44 moment, at positioning seat 40 when adjusting tube 60 and produce relative rotation, elastic reaction through flexure strip 64, projection 641 is beated and produce the sound of " answering ", utilize again and adjust tube 60 bottoms and be aligned in scale 45, can know the damping size; In addition, can establish the Warning Mark 46 of "+", "-" in both sides, scale 45 bottom, with the increase or the minimizing ［ shown in Fig. 3,6 ］ of indication damping.

See also shown in Fig. 7,8, it is characterized in that: system is provided with several vertical and saturating empty elongated slot 52 ' to perforation 51 ' inside on the side face of damping element 50 '; As shown in Figure 9, when rotation adjustment tube 60 desires to make damping to increase, then damping element 50 ' is squeezed and when being out of shape, the setting of mat elongated slot 52 ', make central sections produce flexural deformation, and make the part of protruding towards the inner ring surface distortion produce the damping of oppressing, by this, can reach movement effects same as the previously described embodiments with axostylus axostyle 20.

Operational shape with above-mentioned two embodiment, but mat axostylus axostyle 20 stretches out during operation, retraction action and reach the purpose of motion, so, in order to make axostylus axostyle 20 after stretching out, can return back to original position fast, can be the flexible member of example with compression spring 80 in holder 10 inner installings one, as shown in figure 10, and compression spring 80 is set on the axostylus axostyle 20, then conflict respectively on the flange 32 and limited block 21 of setting element 30 in two ends, when axostylus axostyle 20 was drawn out, compression spring 80 promptly stored back the ability of releasing, in case pull out strength when elimination of axostylus axostyle 20, release power through returning of compression spring 80 and axostylus axostyle 20 can be pushed back the origin-location, quite simple and direct in operation.

Certainly, as shown in figure 11, if operational configurations is just opposite with above-mentioned all embodiment, axostylus axostyle 20 is to be when inwardly contracting when also promptly operating the application of force, stretch out the answer original state fast in order also to reach after axostylus axostyle 20 is driven, also a compression spring 80 ' can be installed in spatial accommodation 11 inside of holder 10, and hold bottom surface at limited block 21.

In sum, the disclosed technological means of the utility model embodiment, its simple structure, to make assembly easy, not only can reach damping, and can solve the shortcoming that oil pressure mode resistance gauge in the past can leakage of oil fully.

Claims

1, a kind of sports equipment resistance gauge, it includes top cover, sleeve pipe, axostylus axostyle, and sleeve pipe and axostylus axostyle outboard end are installed in the sports equipment corresponding position respectively; It is characterized in that:

2, according to the described sports equipment resistance gauge of claim 1, it is characterized in that: the conduit of damping element is the annular groove of horizontally set.

3, according to the described sports equipment resistance gauge of claim 1, it is characterized in that: the conduit of damping element is the elongated slot that vertically is provided with and is sky.

4, according to the described sports equipment resistance gauge of claim 1, it is characterized in that: holder inside is equiped with flexible member.