CN2194190Y

CN2194190Y - Adjustable atmospheric pressure retaining device for health care apparatus

Info

Publication number: CN2194190Y
Application number: CN 94206846
Authority: CN
Inventors: 许龙湶
Original assignee: SHUANGLONGXING COMMERCE AND INDUSTRY FACTORY Co Ltd
Current assignee: SHUANGLONGXING COMMERCE AND INDUSTRY FACTORY Co Ltd
Priority date: 1994-03-05
Filing date: 1994-03-05
Publication date: 1995-04-12
Anticipated expiration: 2004-03-05

Abstract

The utility model relates to an adjustable air pressure blocking device for health care apparatuses, which comprises a closed roller box, a rotating wheel, an axle center and other main components, wherein the rotating wheel is axially arranged in the closed roller box. When external force is applied to the axle center, the axle center can move the rotating wheel to rotate in the box; in addition, the closed roller box is provided with a pressurizing opening with a one-way valve, and a pressure releasing opening with a constant pressure meter, wherein the pressurizing opening can pressurize the box, and the constant pressure meter can preset the pressure value of the box. When pressure is applied to the box, over high pressure of the box can be expelled from the pressure releasing opening; by proper air pressure in the box, rotation resistance to the rotating wheel can be generated to change the magnitude of the pressure of the box, and the rotation resistance changes with the change of the magnitude of the pressure of the box.

Description

Adjustable atmospheric pressure retaining device for health care apparatus

The utility model is one to be used for the adjustable air pressure means of retardation of body-building apparatus, and referring to does not especially a kind ofly need electricity consumption, noise little, can be the body-building apparatus gas-pressure adjustable means of retardation of an adjustable type attitude according to user's the resistance that need make swiveling wheel.

Because the prosperity of industry and commerce, add the shortage of previous people again for environmental consciousness, and the environmental quality that compatriots lived is now day by day worsened, so the colony of generally liking motion is by the motion kenel of open air, and become indoor body building gradually, right general body building is again mostly by body-building apparatus, and body-building apparatus is (as exercycle, walking device ... Deng) on all be equiped with retarding construction, common person is:

1. windage is taken turns: utilize people's pedal force directly to drive the turn of windage wheel, wheel blade and the air gone up by the windage wheel produce resistance, its shortcoming is that the resistance size is fixing, can't adjust, for senior people, women, young people ... can't be suitable fully etc. different demands, and the windage wheel lacks suitable isolation design, and running noise is very big.

2. magnetic resistance is taken turns: utilize electric current directly to produce magnetic force, make swiveling wheel is produced resistance, though the magnetic force adjustable size is whole, only need electricity consumption, use occasion limits to some extent.

3. friction pulley: be to utilize frictional force dynamic resistance swiveling wheel, though cost is lower, noise is bigger, hinders peacefulness, and utilizes frictional force to be resistance, feels very much to have some setbacks in operation.

The above-mentioned wheel dropping structure of commonly using, its noise is big, occasion limits to some extent and part can't be adjusted the resistance size, and it is required and adjust to be difficult to look fully the individual, no matter form the disappearance that anyone use is identical resistance.

In view of this, the inventor for keeping above-mentioned original advantage, is studied improvement for disappearance on the one hand simultaneously, behind test crash repeatedly, the generation of an example is arranged eventually, with seasonable required.

The purpose of the utility model, be to provide an adjustable air pressure means of retardation that is used for fitness equipment, main system utilizes the interior air pressure of closed box that swiveling wheel is produced resistance, press size by changing case, make above-mentioned resistance be adjustable kenel, and, do not needing to provide a perfect retarding construction under the little situation of electricity consumption, noise according to user's needs.

The adjustable air pressure means of retardation that is used for body-building apparatus that provides according to the utility model, include members such as airtight roller box, swiveling wheel and axle center, wherein the axle center then passes the axis hole of sealing roller box and swiveling wheel, and swiveling wheel can be rotated in the airtight roller box because of the external force start; It is characterized in that:

Wear the pressure relief opening that a pressurization mouth and with check valve has pressure setting device in airtight roller box, this pressure setting device can be pressed for the case of setting demand, when the hypertonia in the case, discharge by pressure relief opening, case is pressed be maintained at setting value, make the resistance of swiveling wheel be an adjustable type attitude by the control of case internal pressure.

Technological means and effect thereof that relevant the utility model is adopted by reaching above-mentioned purpose are lifted its preferable possible embodiments now, and cooperation illustrates as follows.

Graphic part:

Fig. 1 is the three-dimensional exploded view of the utility model

Fig. 2 is the stereogram of the utility model

Fig. 3 is the cutaway view of the utility model

Fig. 4 is the enforcement illustration of the utility model

Fig. 5 is another enforcement illustration of the utility model

In the accompanying drawings:

1 airtight roller box 11 pressurization mouths

12 level pressure table 13 pressure relief openings

14 axis holes, 2 swiveling wheels

21 wheel blades, 22 axis holes

3 axle center, 4 inflator pumps

41 valve rods, 42 joints

43 pipelines, 5 exercycles

51 treadles

Now cooperate possible embodiments graphic, that figure number is preferable with the utility model to be described in detail as follows:

See also Fig. 1,2, the means of retardation of the utility model mainly comprises assemblies such as airtight roller box 1, swiveling wheel 2 and axle center 3; Wherein:

Airtight roller box 1, be by the corresponding mutually sealing of two interior empty capsids, before the sealing, 2 first bearings of swiveling wheel inside, wear group with axle center 3 fitted bearings 31 by the axial central authorities of airtight roller box 1 again, but axle center 3 viscous motion swiveling wheels 2 are rotated in case, certainly, axle center 3 and bearing 31 also impose the sealing assembly of necessity, so that airtight roller box 1 seals fully.

In addition 1 of this airtight roller box is equipped with pressurization mouth 11 and one pressure relief opening 13 with check valve (gas injection device on the similar bicycle) in casing, this pressure relief opening 13 is equipped with a pressure setting device in addition, this pressure setting device can be a kind of level pressure table 12, have a pressure on the level pressure table 12 and set pointer and actual case end finger pin, when actual case end finger pin refers to the compression set pointer, valve is opened automatically in the table, make the pressure relief opening 13 can pressure release, when pressure release when setting value, valve recovers closed condition in the table, is pressed on setting value to keep case.By combinations thereof, people can be by pressurization mouthfuls 11 pressurization cartonnings, and preestablish required case pressure value by level pressure table 12, use obtaining suitable rotational resistance.

Swiveling wheel 2 is to be arranged in the airtight roller box 2, and the wheel blade 21 of strip is to be uniformly distributed on the swiveling wheel 2, passes the axis hole 22 of swiveling wheel 2 and combination by the axis hole 14 of airtight roller box 1 in regular turn by axle center 3 again;

When the utility model is mounted on the body-building apparatus, the strength that people impose on the body-building apparatus will be driven to 3 places, axle center, use driven rotary and take turns 2 turns, shown in Figure 4 is the example that the utility model applies to exercycle, in this example, the foot-operated strength of people will drive on the interior swiveling wheel 2 of airtight roller box 1, make swiveling wheel 2 turns.

Please cooperate Fig. 3,4, during operation, when not giving supercharging in the case, then the rotational resistance of swiveling wheel 2 is less, and the work fortune of body-building apparatus is than leicht fallen D/A; But when the setting value of heightening level pressure table 12, and pressurization cartonning, then higher air pressure will produce bigger resistance to swiveling wheel 2 in the case, the start of body-building apparatus is comparatively required great effort, that is case internal pressure size will be directly proportional with the rotational resistance of swiveling wheel 2, and because case presses system to set, so rotational resistance is into an adjustable kenel.

The case of the utility model is pressed by after the Pressure gauge setting again, can keep case to be pressed on setting value through suitable pressurization.Meet when needing step-down, the pressure that only needs to adjust level pressure table 12 is set pointer, and then case is pressed and can be reduced to the new settings value naturally; When chance need be boosted, then increase setting value earlier, and the pressurization cartonning can reach, as for the mode of pressurization, mechanism's formula inflator pump or (small-sized) motor compressor are all feasible mode.

In addition, above-mentioned mechanical type inflator pump is divided by manual mode of operation outer (being same as inflating of bicycle), also can be with it interlock in body-building apparatus, (seeing also Fig. 5) that is, valve rod 41 loose joints of inflator pump 4 are in the treadle 51 of exercycle 5, utilize stampede power start inflator pump 4, make inflator pump 4 43 defeated be pressed into airtight roller box 1 by the road, certainly, the valve rod 41 of inflator pump 4 is required to be a kenel of establishing alive with the joint 42 that the treadle of exercycle 5 51 ranks are established, after conveniently pressurization is finished, can unload, need do not inflated always.

Above-mentioned example is the state that the utility model is applied to exercycle, and other are such as walking device, rowing machine ... Deng the body-building apparatus of different types, be all the category that the utility model can be used.

By this case, meter can be obtained following effect:

1. can effectively avoid operation noise, because swiveling wheel 2 is to run in the airtight roller box 1, operation is quiet, can not disturb the people.

2. resistance is a stepless adjustable type attitude, and the rotational resistance of swiveling wheel 2 depends on the case pressure, and it then is the kenel that can arbitrarily set that case is pressed, and it is very convenient to adjust resistance.

3. can promote the scope of application of body-building apparatus, because resistance for adjusting, can cater to the resistance demand of different personages to body-building apparatus.

4. use occasion can be unrestricted, not necessarily needs power supply just can operate, and the occasion of use has very big selectivity.

In sum, the utility model is one to be used for the adjustable air pressure means of retardation of body-building apparatus, it is the pressure relief opening that has the level pressure table by the set pressurization mouth and of airtight roller box, to obtain to pressing with suitable case, make the resistance of case internal pressure control swiveling wheel, and can be the kenel that to adjust according to the required of user.

Claims

A kind of adjustable air pressure means of retardation that is used for body-building apparatus includes members such as airtight roller box, swiveling wheel and axle center, and wherein the axle center then passes the axis hole of sealing roller box and swiveling wheel, and swiveling wheel can be rotated in the airtight roller box because of the external force start; It is characterized in that:

Wear the pressure relief opening that a pressurization mouth and with check valve has pressure setting device in airtight roller box, this pressure setting device can be pressed for the case of setting demand, hypertonia in case is revolved by pressure relief opening and is discharged, case is pressed be maintained at setting value, make the resistance of swiveling wheel be an adjustable type attitude by the control of case internal pressure.