CN2513612Y

CN2513612Y - Folding structure of treading apparatus

Info

Publication number: CN2513612Y
Application number: CN 01274806
Authority: CN
Inventors: 张煌东
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-11-22
Filing date: 2001-11-22
Publication date: 2002-10-02
Anticipated expiration: 2011-11-22

Abstract

The utility model provides a folding structure of a running machine, which is installed between a pedestal and a running platform of the running machine and provides the running platform with the folding function. The folding structure includes a first movable connecting rod and a second movable connecting rod, which are symmetrical. The front ends of the first movable connecting rod and the second movable connecting rod are respectively and symmetrically articulated at the front ends of two plates at two sides of the bottom of a front frame of the running platform, and the back ends of the first movable connecting rod and the second movable connecting rod are respectively and symmetrically articulated at internal prearranged part of a bottom bar of the pedestal, which respectively provide the spaces of two inner sides of the pedestal and the two side of the running platform with movable pivots and fixed pivots to help averaging and dispersing the force during the motion. In addition, an oil pressure rod or an air pressure rod can be installed between the running platform and the pedestal to be used as auxiliary driving force when the running platform is going to be folded and collected or laid flatly. A lifting motor device can also be installed between the running platform and the pedestal and has double efficacies of automatically folding and collecting and lifting the angle etc. when folding and collecting, the structure is light and convenient and saves labor as well as can reduce the rupture or damage of the articulated parts because of the additions of the pivots.

Description

A kind of foldable structure of treadmill

Technical field

The utility model relates to exercise and fitness equipment, refers to a kind of foldable structure of treadmill especially.

Background technology

No. the 375944th, treadmill folded structure in the past such as Taiwan patent announcement, this treadmill are hinged one group of defeated bands of running on pedestal, and are provided with one group of lifting structure between running platform and pedestal, for the angle of inclination of adjusting running platform, can obtain different movement effects; This lifting structure mainly comprises two elevating levers, a linkage, two slide rails, a drive unit and an expansion link group; Wherein, elevating lever is hinged respectively in pedestal one bar front end inboard, and then each is connected with running platform two side levers the other end; This linkage is hinged on each elevating lever and running platform junction with a trace respectively, the then affixed displacement bar of the two trace other ends, and a pulley respectively is hinged at the displacement bar two ends; Slide rail is to be installed in pedestal two bottom bar rear inside respectively, establishes therebetween for the pulley cunning of linkage; Drive unit can provide the motor of two-way rotation to connect a speed changer by one to be formed, be installed in the pedestal front side; The expansion link group is that a screw rod spiral shell is located in the sleeve pipe and is formed, and screw rod one end is installed on the speed changer, and is driven by it rotation, and sleeve pipe is the displacement bar interconnection with linkage; By the integral body of above-mentioned composition, drive unit utilizes motor and speed changer to drive the screw rod rotation of expansion link group, can make screw rod flexible in sleeve pipe, and push away, draws linkage, elevating lever is rotated, with this running platform of ascending, descending along the bottom bar of pedestal.

Aforementioned structure is to utilize drive unit to reach to make the function of running platform tool angle lift adjustment, one of its shortcoming: be when desiring to fold, because unique strong point is the single hinged place that concentrates between running platform front end both sides and pedestal, fully only can depend merely on the aforementioned strong point when running platform is upwards lifted supports, moreover the gross weight of running platform is generally all at tens of kilogram weights, therefore, the hinged place of this strong point, regular meeting's phenomenon that fractures; Two of shortcoming: in the time of will folding running platform, all must start the lifting structure simultaneously at every turn, cooperate the action of drive unit more slowly, running platform is erected slowly makes expansion link be stretched to the distance that changes between back running platform and pedestal; And when desiring to keep flat running platform, repeat aforementioned activities again and start the lifting structure, can make the running platform action keep flat operation with cooperation; Comprehensively aforementioned, remove at every turn in folding, when keeping flat, all need start lowering or hoisting gear and expend power supply, potential danger is accident especially, promptly when folding, keeping flat, just in case the pin joint of unique support snaps between running platform and pedestal, the operator does not have unnecessary hand again with the lowering or hoisting gear power-off, well imagines, it is little to cause the facility member to damage thing, fearness be that personnel are subjected to grievous injury.

Summary of the invention

The utility model provides a kind of foldable structure of treadmill, this structure is installed between the pedestal and running platform of treadmill, be hinged with two stressed fulcrums between pedestal and running platform, what produce when folding with average dispersion running platform is stressed, and then prevents the shortcoming of stressed fulcrum hinged place easy fracture.

This novel structure includes first and second moving couple rod of symmetry, holding before this first, second movable rod respectively symmetry to be hinged held before the plate body of running platform front end base of frame both sides, form two moving fulcrums, symmetry is hinged at the inboard book office of the bottom bar of pedestal and hold respectively after first, second movable rod, form two fixed pivots, make between pedestal two inboards and running platform both sides and have two groups of fulcrums, when running platform upwards folds, stressed in the time of can on average disperseing to move by two moving fulcrums and two fixed pivots.

Treadmill can install an oil compression rod (or atmospheric pressure pole) additional between pedestal and running platform, fold auxiliary power when keeping flat as running platform.Treadmill also can install the motor apparatus that rises between pedestal and running platform, this device is to be rotated by motor drive gear set interlock one screw rod, make with the intermeshing screwed pipe of screw rod and overlap scalable action, motor apparatus one end that rises is installed in the running platform bottom front, and end is hinged on the cross bar of pedestal rear end in addition.Again, can extend into an elongated hole, when making second movable rod can cooperate running platform to do the different efficacies action at any time, have the function of to shrink back in the second movable rod rear end and pedestal bottom bar hinged place.

This is novel to have sound construction, wearing and tearing are little, and laborsaving, the balance of action also can utilize electronic controlling to fold when folding, easy to use, the life-span is long.This structure except that when folding comparatively light laborsaving, more can increase fracture or the damage reduce hinged part because of fulcrum.

Description of drawings

Fig. 1 is that the utility model treadmill keeps flat stereogram;

Fig. 2 is that the utility model treadmill folds schematic perspective view;

Fig. 3 is the utility model primary structure parts explosion;

Fig. 4 is the utility model treadmill partial side view;

Fig. 5 is that Fig. 3 folds the action schematic diagram;

Fig. 6 is that another enforcement structure of the utility model treadmill folds stereogram;

Fig. 7 is the constitutional detail exploded view of Fig. 6;

Fig. 8 is the textural association angle of Fig. 6 action side view that rises;

Fig. 9 is that the textural association of Fig. 6 folds the action side view.

Wherein: the 100th, treadmill, the 10th, pedestal, the 11st, cross bar, the 12nd, bottom bar, the 20th, running platform, the 21st, plate body, the 30th, oil compression rod, the 41, the 42nd, first, second movable rod, the 421st, elongated hole, the 50th, motor apparatus rises, the 51st, motor, the 52nd, screw rod, the 53rd, screwed pipe cover, A, B, C are moving fulcrums, and D, E, F are fixed pivots.

The specific embodiment

Extremely shown in Figure 5 as Fig. 1, the foldable structure of this novel treadmill, be to be installed in 20 of the pedestal 10 of treadmill 100 and running platform, running platform 20 is had to amount to function, this foldable structure includes first and second movable rod 41 of symmetry, 42, first, second movable rod 41, hold respectively the symmetry end before running platform 20 front end base of frame both sides plate bodys 21 that is hinged before 42, form two moving fulcrum A, B, and first, second movable rod 41, holding respectively after 42, symmetry is hinged at the bottom bar 12 inboard book offices of pedestal 10, form two fixed pivot D, E, running platform 20 is upwards folded or when keeping flat, can be by aforementioned moving fulcrum A, B and fixed pivot D, E stressed during with average dispersion action, except that when folding comparatively light laborsaving, more can increase fracture or the damage reduces hinged place part move the time because of fulcrum.

Wherein, also can install an oil compression rod 30 (or atmospheric pressure pole) additional in running

platform

20 and 10 of pedestals, these oil compression rod 30 1 ends are hinged on pedestal 10 rear end cross bars 11, end is hinged in the bottom of running platform 20 in addition, auxiliary power when desiring to fold or keep flat as running platform 20, as shown in Figure 2, first movable rod, 41 length are short than second movable rod 42, when running platform 20 when pedestal 10 front ends fold, it is oblique that this running platform 20 can be vertically vertical or surpass 90 angle lappings.

As shown in Figure 3, for this novel about the constitutional detail exploded view of two groups of first, second

movable rods

41,42, can respectively first, second movable rod be assembled on plate body 21 and the bottom bar 12 with screw shown in the figure.

Local form when as shown in Figure 4, this illustrates this novel treadmill and keeps flat.

As shown in Figure 5, be the action form of this treadmill part when folding.

As Fig. 6 and shown in Figure 7, be this novel another embodiment, can add the motor apparatus 50 that rises at the running platform 20 of

treadmill

100 and 10 of pedestals, can rise motor apparatus 50 to make running platform 20 have simultaneously folding automatically and angle dual-use function such as rise by startup; Wherein: the motor apparatus 50 that rises is to be rotated by motor 51 drive gear set interlocks one screw rod 52, and other has a screwed pipe cover 53 that is meshed with screw rod 52; These motor apparatus 50 1 ends that rise are installed in running platform 20 bottom front, and end is movably articulated on the cross bar 11 of pedestal 10 in addition.

Can make running platform 20 have the automatic angle adjustment function that rises in order to start the motor apparatus 50 that rises, end after second movable rod 42, i.e. bottom bar 12 hinged places design with pedestal 10 extends into an elongated hole 421, make second movable rod 42 can cooperate running platform 20 to do the action of different efficacies, have the function of to shrink back.

By above-mentioned member assembling, as shown in Figure 8, when startup rises motor apparatus 50 when making screwed pipe cover 53 produce displacement backward, 10 of running platform 20 and pedestals just by first movable rod 41 and the motor apparatus that rises as being connected support, with use first movable rod, 41 rear ends and two hinged places of rise 10 of motor apparatus 50 1 ends and pedestals as fixed pivot D, F, and first movable rod, 41 front ends and the motor apparatus 50 of rising in addition two hinged places of 20 of end and running platform as moving fulcrum A, C, wherein 42 of second movable rods need to cooperate the elongated hole 421 of its rear end to do synchronous retiring, make running platform 20 that end can be by aforesaid two fixing point D before to reach, F and two moving fulcrum A, C disperses stressed place, lifts backward and moves the stepless angle adjustment function that is an elevation angle heeling condition; Again, as shown in Figure 9, when startup rises motor apparatus 50 when screwed pipe cover 53 being produced pass forward, 10 of this running platform 20 and pedestals are simultaneously by first, second

movable rod

41,41 and the motor apparatus 50 that rises etc. support as connecting, promptly first, second

movable rod

41,42 rear ends and motor apparatus 50 1 ends that rise etc. and different hinged places, 10 three places of pedestal are as fixed pivot D, E, F, and utilize first, second

movable rod

41,42 front ends and the motor apparatus 50 of rising in addition the different hinged places, three places of end etc. and 20 of running platform as moving fulcrum A, B, C, reach make running platform 20 can be simultaneously by the fixed pivot D of different hinged places, aforementioned three places, E, F and moving fulcrum A, B, C does to be the state of folding toward the front end passing.

Claims

1. the foldable structure of a treadmill, be between the pedestal (10) and running platform (20) that is installed in treadmill (100), it is characterized in that: first and second movable rod (41,42) of symmetry, its front end symmetry respectively is hinged and holds before at running platform (20) front end base of frame both sides plate bodys (21), form two moving fulcrum A, B, and the rear end respectively symmetry be hinged at the inboard book office of bottom bar (12) of pedestal (10), form two fixed pivot D, E.

2. the foldable structure of treadmill according to claim 1, it is characterized in that: the length of wherein said first movable rod (41) is short than second movable rod (42).

3. the foldable structure of treadmill according to claim 1, it is characterized in that: wherein said treadmill can install an oil compression rod (30) additional between pedestal (10) and running platform (20).

4. the foldable structure of treadmill according to claim 1, it is characterized in that: wherein said treadmill can install an atmospheric pressure pole additional between pedestal (10) and running platform (20).

5. the foldable structure of treadmill according to claim 1 is characterized in that: wherein said treadmill can be adorned the motor apparatus (50) that rises between pedestal (10) and running platform (20).

6. as the foldable structure of the treadmill as described in the claim 4, it is characterized in that: the wherein said motor apparatus that rises (50) is to be rotated by a motor (51) drive gear set interlock one screw rod (52), make and the scalable action of the intermeshing screwed pipe cover of screw rod (52) (53), these motor apparatus (50) one ends that rise are installed in running platform (20) bottom front, and end is hinged on the cross bar (11) of pedestal (10) rear end in addition.

7. as the foldable structure of the treadmill as described in claim 1 or 4, it is characterized in that: bottom bar (12) hinged place of wherein said second movable rod (42) rear end and pedestal (10) extends into an elongated hole (421).