CN211301912U - Dual-mode treadmill with four controllable gas spring structures and adjustable handrail - Google Patents

Abstract

The utility model belongs to the technical field of the treadmill and specifically relates to dual mode treadmill of handrail is adjusted to four controllable air spring structures and specifically relates to treadmill include, the treadmill main part, with the handrail subassembly of treadmill main part dynamic connection, handrail subassembly includes the handrail, the stand, the connector, the treadmill main part includes the frame, it is equipped with the slide to state the frame middle part, be equipped with the slider that corresponds with the connector in the slide, the frame is equipped with the first controllable air spring that is used for driving the slider, the second controllable air spring that is used for rotary connector, the treadmill is still including the controlling means who is used for controlling first controllable air spring, the locking of the controllable air spring of second and/or unblock. Through the handrail component with the adjustable angle, the treadmill has multiple use modes of forward walking, backward walking, forward walking and backward walking simultaneously by two persons and running.

Description

Dual-mode treadmill with four controllable gas spring structures and adjustable handrail

Technical Field

The utility model belongs to the technical field of the treadmill and specifically relates to four controllable air spring structure adjust handrail dual mode's treadmill.

Background

The traditional treadmill is designed according to the body state of normal motion of a human body, transplants the original outdoor exercise of people into the room, is convenient and expands the exercise space of people, and compared with the outdoor exercise, the treadmill brings more safety and comfort to people.

Modern medical research shows that the back walking can exercise muscles, ligaments and the like around the lumbar muscles, quadriceps femoris muscles, ankles and knees, so that the motion functions of the spine and limbs are adjusted, and the blood circulation is promoted. The long-term insisting on falling down has good auxiliary treatment effect on lumbocrural pain, cramp, muscular atrophy, arthritis and the like. More importantly, the back-walking mode belongs to an unnatural activity mode, so that the judgment of the cerebellum on the direction and the coordination function on the human body can be exercised. For teenagers, the back spine must be stretched to maintain balance during backward walking, and the humpback prevention effect is achieved.

Please refer to fig. 1, chinese utility model patent publication No. CN201823227U discloses a treadmill with functions of backward walking and easy folding, which comprises a treadmill frame, a frame upright post, a left handrail, a right handrail, a running belt, an electronic controller, a motor and other components, and is characterized in that: the treadmill frame (14) is movably connected with the frame upright post (1) in an inclined L shape, a connecting member consists of a folding wrench (28), two steel wire ropes (11) and two limiting pins (10), the connecting member is movably connected with a corresponding limiting hole at the front end of the frame (14), the folding wrench (28) is arranged in the two supporting gloves (3), and the two steel wire ropes (11) are respectively arranged in the two frame upright posts (1); the frame (14) is a plane rectangular frame, the front end of the frame is connected with a connecting frame (5) of a frame upright post (1), a frame (14) motor upper cover (15) is arranged above the connecting frame (5), a pair of carrying wheels (24) is arranged below the connecting frame (5), a motor (17) is connected with a front roller assembly (18) through a belt, a rear roller assembly (22) is arranged at the rear end of the frame (14), tension lead screws are arranged at the front end and the rear end of the frame (14) to tension a running belt (13) between the front roller assembly (18) and the rear roller assembly (22), a running plate (12) is arranged in the middle of the running belt (13), the running plate (12) is fixedly connected with the frame (14) through bolts, and two symmetrical frame foot pads (23) are arranged at the bottom of the rear end of the frame (14); the running belt (13) is made of high-elasticity plastic materials with anti-skid particles; the panel of the electronic controller (9) is provided with a display screen (26), a multi-option function key, a buzzer speaker, a safety bolt (25), a pull rope ring sleeve (29) and a power switch (27).

The treadmill in the prior art has the defects that the stand column of the frame can not adjust the folding angle and the use mode is single.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a dual-mode treadmill of handrail is adjusted to four controllable air spring structures of multiple usage pattern.

For reaching above-mentioned advantage, the utility model provides a dual mode treadmill of handrail is adjusted to four controllable air spring structures include, the treadmill main part, with treadmill main part swing joint's handrail subassembly, handrail subassembly includes a pair of stand, sets up handrail between a pair of stand upper end and fixes the connector at the stand lower extreme, the treadmill main part includes the frame, its characterized in that, the frame middle part is equipped with the slide, be equipped with in the slide with the connector rotates the slider of connecting, the frame is equipped with and is used for the drive the first controllable air spring of slider, the second controllable air spring that is used for rotary connector, the treadmill is still including being used for control first controllable air spring the controlling means of second controllable air spring locking and/or unblock.

In an embodiment of the present invention, the first controllable gas spring is fixedly connected to the frame and the slider, and the second controllable gas spring is hinged to the frame and the lower portion of the pillar.

In an embodiment of the present invention, the connecting body is provided with an angle-adjustable rotating shaft, the slider passes through the rotating shaft and the connecting body are hinged, the rotating shaft is provided with a plurality of radial limiting notches, the slider is provided with a limiting post corresponding to the limiting notch, and one end of the limiting post is provided with a return spring.

The utility model discloses an embodiment, the treadmill main part still includes the race area, is located the motor of race area rear end, the motor has outward and is connected fixed motor casing with the frame, the motor casing be equipped with the running takes the running-board of upper surface parallel and level.

In an embodiment of the present invention, the control device comprises a fixed sleeve connected with the piston rod by screw thread, a driving block hinged inside the fixed sleeve, a pulling part for pushing the driving block to extrude the metal wire of the button, and a plurality of switches connected with the metal wire, the switches comprise a base connected with the frame and a pull ring hinged with the base, the pull ring is provided with a rotating part connected with the end of the metal wire.

In an embodiment of the present invention, the running belt is provided with a pair of rollers hinged to the two ends of the frame, the running belt sleeve is provided outside the rollers, the motor is used for driving the rollers to rotate, and the motor is provided with a driving belt connected to the roller.

In one embodiment of the present invention, a pair of the rollers has a running plate for damping therebetween.

In an embodiment of the present invention, the first controllable gas spring and the second controllable gas spring are both composed of a cylinder body and a piston rod, and the end of the piston rod is provided with a button.

The utility model discloses an embodiment, the base be equipped with the arc spout that spacing post corresponds, the arc spout can restrict the rotation angle of rotating part.

In an embodiment of the present invention, when the button is pressed by the driving block, the first controllable gas spring and the second controllable gas spring are in the unlocking state, and when the button is pressed by the driving block, the first controllable gas spring and the second controllable gas spring are in the locking state.

The utility model discloses in, but through angle regulation's handrail assembly, make this treadmill have forward walk, backward walk, double forward walk simultaneously and backward walk, the multiple usage pattern of running.

Drawings

Fig. 1 is a schematic structural view of a treadmill with a function of backward walking and easy folding in the prior art.

Fig. 2 is a schematic structural view of a dual-mode treadmill with four controllable gas spring structure adjusting armrests according to a first embodiment of the present invention.

FIG. 3 is a front view of the dual mode treadmill with four controllable gas spring structure adjustable armrests of FIG. 2.

FIG. 4 is a bottom view of the motor housing of the dual mode treadmill with four controllable gas spring configuration adjustment armrests of FIG. 2.

FIG. 5 is a schematic view of the motor of the dual mode treadmill with four controllable gas spring configuration adjustment armrests of FIG. 2.

FIG. 6 is a cross-sectional schematic view of the dual mode treadmill body with four controllable gas spring structure and adjustable armrest of the dual mode treadmill with four controllable gas spring structure and adjustable armrest of FIG. 2.

FIG. 7 is a schematic structural view of the uprights and ramps of the dual mode four controllable gas spring structure handrail adjustable treadmill of FIG. 2.

FIG. 8 is a schematic structural view of the linkage and slider of the dual mode treadmill with four controllable gas spring configuration adjustment armrests of FIG. 2.

FIG. 9 is a cross-sectional view of the slider of the dual mode treadmill with four controllable gas spring configurations to adjust the armrest of FIG. 2.

FIG. 10 is a cross-sectional view of the linkage and slider of the dual mode treadmill with four controllable gas spring configuration adjustment armrests of FIG. 2.

FIG. 11 is an exploded view of the slider of the dual mode treadmill with four controllable gas spring configurations to adjust the armrest of FIG. 10.

FIG. 12 is an exploded view of the linkage of the dual mode treadmill with four controllable gas spring configuration adjustment armrests of FIG. 10.

FIG. 13 is a cross-sectional view of the gas spring of the dual mode treadmill with four controllable gas spring configurations and an adjustable armrest of FIG. 2.

FIG. 14 is an enlarged partial view of the dual mode treadmill with four controllable gas spring configurations adjusting armrests of FIG. 13 at gas spring A.

FIG. 15 is a schematic view of the switch and frame structure of the dual mode treadmill with four controllable gas spring structure adjustable armrests of FIG. 2.

FIG. 16 is a schematic structural view of the switch of the dual mode treadmill with four controllable gas spring configuration adjustment armrests of FIG. 2.

FIG. 17 is a top view of the switch of the dual mode treadmill with four controllable gas spring configuration adjustment armrests of FIG. 16.

FIG. 18 is a right side view of the switch of the dual mode treadmill with four controllable gas spring configuration adjustment armrests of FIG. 16.

FIG. 19 is a left side view of the switch of the dual mode treadmill with four controllable gas spring configuration adjustment armrests of FIG. 16.

Fig. 20 is a schematic structural view of the frame of the dual-mode treadmill with four controllable gas spring structure adjusting armrests according to the second embodiment of the present invention.

FIG. 21 is a schematic structural view of the switch of the dual mode treadmill with four controllable gas spring configurations to adjust the armrest of FIG. 20.

FIG. 22 is a front view of the dual mode treadmill with four controllable gas spring structure adjustment armrests of FIG. 20 folded 0.

FIG. 23 is a front view of the dual mode treadmill with four controllable gas spring arrangements adjusting armrests of FIG. 20 as it folds through 82.

FIG. 24 is a front view of the dual mode treadmill with four controllable gas spring arrangements adjusting armrests of FIG. 20 folded 120.

FIG. 25 is a front view of the dual mode treadmill with four controllable gas spring arrangements adjusting armrests of FIG. 20 folded 20.

Fig. 26 is a schematic structural view of the connecting body and the sliding block of the dual-mode treadmill with four controllable gas spring structure adjusting armrests according to the third embodiment of the present invention.

Fig. 27 is a schematic structural view of a sliding block of a dual-mode treadmill with four controllable gas spring structure adjusting armrests according to a fourth embodiment of the present invention.

Fig. 28 is a schematic structural view of a dual-mode treadmill with four controllable gas spring structure adjustable armrests according to a fifth embodiment of the present invention.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the present invention, the following detailed description will be given with reference to the accompanying drawings and preferred embodiments in order to provide the best mode, structure, features and effects according to the present invention.

Please refer to fig. 2, fig. 3, fig. 4, and fig. 5, the dual-mode treadmill with four controllable gas spring structure adjusting armrests of the present invention includes a treadmill body 1 and an armrest assembly 2 movably connected to the treadmill body 1, and is characterized in that the treadmill body 1 includes a running belt 11 and a motor 12 located at the rear end of the running belt 11, the motor 12 is provided with a motor housing 13, the motor housing 13 is provided with a pedal 131 flush with the upper surface of the running belt 11, the bottom of the motor housing 13 is provided with a heat dissipation hole 132, the heat dissipation hole 132 is used for dissipating heat of the motor 12, and the motor housing 13 is further provided with a control circuit board 133 for controlling the motor 12.

Treadmill main part 1 still includes and is connected fixed frame 14 with motor casing 13, and frame 14 upper surface is equipped with slipmat 141, and motor casing 13 is located the both sides of running-board 131 and the parallel and level of slipmat 141. A frame base 145 is fixed to the bottom of the front end of the frame 14, and the frame base 145 and the motor housing 13 are also used for supporting the treadmill.

Referring to fig. 6, the running belt 11 is provided with a pair of rollers 15 respectively hinged to two ends of the frame 14, the running belt 11 is sleeved outside the pair of rollers 15, the motor 12 is used for driving the rollers 15 to rotate, and the motor 12 is provided with a driving belt 121 in transmission connection with the rollers 15. A running board 16 for shock absorption is provided between the pair of rollers 15.

Referring to fig. 7, 8 and 9, the armrest assembly 2 includes an armrest 21, a pillar 22, and a connecting body 23 located at a lower end of the pillar 22, wherein the connecting body 23 is provided with a rotating shaft 231 with an adjustable angle, and the rotating shaft 231 is provided with a plurality of radial limiting notches 232. The middle of the frame 14 is provided with a slide way 143, a slide block 17 rotatably connected with the connecting body 23 is arranged in the slide way 143, the slide block 17 is hinged with the connecting body 23 through a rotating shaft 231, the slide block 17 is provided with a limit column 171 corresponding to the limit notch 232, and one end of the limit column 171 is provided with a return spring 172. When the position-limiting column 171 is partially accommodated in the position-limiting notch 232, the resistance of the rotation of the rotating shaft 231 is increased; when the stopper posts 171 are pushed out of the stopper notches 232, resistance to rotation of the rotary shaft 231 is reduced. The sound and damping generated by the rotation shaft 231 during the rotation of the link body 23 contribute to the precise adjustment of the angle.

Slide holes 23a corresponding to the connection bodies 23 are opened on the outer side of the frame 14, and the slide holes 23a are used for the rotation shaft 231 to move along the longitudinal direction of the frame 14.

The armrest 21 is provided with a display screen electrically connected with the control circuit board 133, and the display screen is used for displaying the speed, time and mileage of the running belt.

Referring to fig. 10, 11 and 12, the slider 17 includes a slider main body 17a, and a first nylon bushing 18a and a second nylon bushing 18b located in the slider main body 17a, and the first nylon bushing 18a and the second nylon bushing 18b both have a tapered surface a contacting with an inner wall of the slider main body 17 a.

The slider body 17a is provided with a first shaft groove 17b and a second shaft groove 17c corresponding to the first nylon shaft sleeve 18a and the second nylon shaft sleeve 18b respectively, a limiting portion 17d is arranged between the first shaft groove 17b and the second shaft groove 17c, a detachable clamping ring 19a is arranged at the end portion of the rotating shaft 231, a limiting ring 231a is arranged at one end of the rotating shaft 231, which is opposite to the clamping ring 19a, two ends of the first nylon shaft sleeve 18a correspond to the limiting portion 17d and the limiting ring 231a respectively, and two ends of the second nylon shaft sleeve 18b correspond to the limiting portion 17d and the clamping ring 19a respectively. The rotary shaft 231 is provided with a catching groove 20a that can receive a portion of the catching ring 19 a.

First nylon axle sleeve 18a, second nylon axle sleeve 18b are made by nylon, and nylon has advantages such as wear-resisting, mechanical strength is high, chemical stability is good, light in weight. The first nylon bushing 18a has an inner diameter greater than that of the second nylon bushing 18 b. The tapered surfaces a of the first nylon bushing 18a and the second nylon bushing 18b are inclined toward the inside of the slider body 17 a. The inner walls of the first nylon bush 18a and the second nylon bush 18b are bonded to the outer wall of the rotary shaft 231, and a gap is provided between the rotary shaft 231 and the slider body 17 a. The nylon bush is used to reduce friction between the rotary shaft 231 and the slider 17.

In the process of installing the armrest assembly 2, the first nylon shaft sleeve 18a and the second nylon shaft sleeve 18b in the slider main body 17a are placed in the first shaft groove 17b and the second shaft groove 17c, and the conical surfaces a of the first nylon shaft sleeve 18a and the second nylon shaft sleeve 18b face the slider main body 17a during placement, so that the installation is convenient; then, the rotating shaft 231 is inserted into the slider 17, so that the limit ring 231a of the rotating shaft 231 limits the first nylon bushing 18a to move axially along the rotating shaft 231; finally, the snap ring 19a is fixed in the snap groove 20a, so that the snap ring limits the axial movement of the second nylon shaft sleeve 18b and also limits the axial movement of the rotating shaft 231, and the installation is completed.

In the process of rotating the connecting body 23, the rotating shaft 231 is hinged to the sliding block 17 through the first nylon shaft sleeve 18a and the second nylon shaft sleeve 18b, and a certain gap is kept between the rotating shaft 231 and the sliding block main body 17a, so that the abrasion between the rotating shaft 231 and the sliding block 17 is reduced, and the treadmill has the beneficial effects of being silent, smooth and not easy to damage when being folded.

Referring to fig. 10, the frame 14 includes a first controllable gas spring 3 for driving a sliding block 17, one end of the first controllable gas spring 3 is fixedly connected to the frame 14, and the other end of the first controllable gas spring 3 is fixedly connected to the sliding block 17. The frame 14 further comprises a second controllable gas spring 3a, which is hinged to the bottom of the frame 14 and below the upright 22 near the connecting body 23, respectively, the second controllable gas spring 3a being adapted to drive the upright 22 and thereby rotate the connecting body 23.

The first controllable gas spring 3 and the second controllable gas spring 3a are both composed of a cylinder 31 and a piston rod 32, and a button 33 is arranged at the end of the piston rod 32. The piston rod 32 of the second controllable gas spring 3a is provided with a first connecting piece 321, the piston rod 32 is hinged with the frame 14 through the first connecting piece 321, the cylinder body 31 of the second controllable gas spring 3a is provided with a second connecting piece 311, and the cylinder body 31 is hinged with the upright post 22 through the second connecting piece 311.

Referring to fig. 13 and 14, the treadmill further comprises a control device 4 for controlling the locking and/or unlocking of the first controllable gas spring 3 and the second controllable gas spring 3a, wherein the control device 4 comprises a fixed sleeve 41 in threaded connection with the piston rod 32, a driving block 42 hinged with the inside of the fixed sleeve 41, and a wire 43 for pulling the driving block 42 to press the button 33, and the wire 43 is connected and fixed with one end of the driving block 42. The fixing sleeve 41 is provided with a first through hole 411 corresponding to the wire 43.

Referring to fig. 15, 16, 17, 18, and 19, the control device 4 further includes a switch 5 connected to the plurality of wires 43, the switch 5 includes a base 51 connected to and fixed with the frame 14 and a pull ring 52 hinged to the base 51, the pull ring 52 is hinged to the base 51 through a position-limiting post 521 located at an end portion, the pull ring 52 is provided with a rotating portion 522 connected to and fixed with the end portion of the wire 43, the rotating portion 522 can rotate along an axis of the position-limiting post 521 in a radial direction, the base 51 is provided with an arc sliding slot 512 corresponding to the position-limiting post 521, and the arc sliding slot 512 can limit a rotation angle of the rotating portion 522.

Two sides of the base 51 are provided with four second through holes 511 respectively corresponding to the plurality of wires 43. An extension spring 523 is provided between the middle portion of the pull ring 52 and the base 51, and the extension spring 523 is used to keep the pull ring 52 in close contact with the base 51 and to return the rotary member 522.

When the pull ring 52 is pulled, the rotating part 522 moves the wire 43, and the indirect wire 43 causes the driving block 42 to press the button 33, thereby unlocking the first controllable gas spring 3 and the second controllable gas spring 3a simultaneously. When the pull ring 52 is released, the rotary portion 522 is reset by the extension spring 523, so that the first and second controllable gas springs 3, 3a are automatically locked.

When the driving block 42 presses the button 33, the first controllable gas spring 3 and the second controllable gas spring 3a are in an unlocked state, and when the driving block 42 releases the pressing of the button 33, the first controllable gas spring 3 and the second controllable gas spring 3a are in a locked state.

In the process of folding or unfolding the armrest assembly 2, the wire 43 is pulled through the pull ring 52, so that the driving block 42 presses the button 33, the first controllable gas spring 3 and the second controllable gas spring 3a are unlocked simultaneously, then the angle of the upright post 22 relative to the frame 14 can be adjusted, the armrest 21 is pushed or pulled, the upright post 22 is rotated to a proper position, the pull ring 52 is released, the button 33 automatically rebounds under the action of the internal pressure of the cylinder 31, and the first controllable gas spring 3 and the second controllable gas spring 3a are locked simultaneously, so that the rotation of the upright post 22 is limited.

The treadmill comprises a treadmill body 1 and a handrail component 2 movably connected with the treadmill body 1, wherein the handrail component 2 comprises a handrail 21, a column 22 and a connecting body 23, the treadmill body 1 comprises a frame 14, a slide way 143 is arranged in the middle of the frame 14, a slide block 17 corresponding to the connecting body 23 is arranged in the slide way 143, the frame 14 is provided with a first controllable gas spring 3 for driving the slide block 17 and a second controllable gas spring 3a for rotating the connecting body 23, the first controllable gas spring 3 and the second controllable gas spring 3a are both composed of a cylinder body 31 and a piston rod 32, the end part of the piston rod 32 is provided with a button 33, and the treadmill further comprises a control device 4 for controlling the locking and/or unlocking of the first controllable gas spring 3 and the second controllable gas spring 3 a.

Referring to fig. 20 and 21, in a second embodiment of the present invention, a water-drop-shaped frame cover 142 is fixed to the front end of the frame 14, and a pull-ring-type switch 5 is disposed below the frame 14 and near the slide way 143.

The switch 5 comprises a circular ring 5a and a concentration block 5b fixed with the frame 14, the concentration block 5b uses four pull holes 5c corresponding to the metal wires 43, the first controllable gas spring 3 and the second controllable gas spring 3a are unlocked by pulling the circular ring 5a, and after the circular ring 5a is loosened, the first controllable gas spring 3 and the second controllable gas spring 3a reset under the action of self air pressure to be locked.

Referring to fig. 22, 23, 24 and 25, when the first controllable gas spring 3 is fully extended and the second controllable gas spring 3a is fully compressed, the frame 14 and the upright post 22 are at 0 °, the rotating shaft 231 is located at the front end of the sliding hole 23a, the armrest 21 overlaps the frame 14, and the treadmill is in a horizontal storage state; when the first controllable gas spring 3 is fully compressed and the second controllable gas spring 3a is fully extended, the frame 14 and the upright post 22 are at 120 °, the rotating shaft 231 is located at the rear end of the sliding hole 23a, the handrail 21 is located above the front part of the frame 14, and the treadmill is in a running state; when the first controllable gas spring 3 is partially compressed or extended and the second controllable gas spring 3a is partially compressed or extended, the frame 14 and the upright 22 are at 82 ° and the handrail 21 is above the middle of the frame 14, the treadmill is in a middle walking and/or back walking state; when the frame 14 is at 20 ° to the upright 22 and the arm rests 21 are above the rear of the frame 14, the treadmill is in an upright storage position.

In the use process, for example, when the frame 14 and the upright post 22 are at 82 degrees, and the handrail 21 is located above the middle part of the frame 14, the treadmill can be used for walking backwards and forwards simultaneously, two users are respectively located at two sides of the handrail 21, after the motor is started, one user walks forwards and the other user walks backwards, and during the forward walking process, the foot board 131 is flush with the upper surface of the running belt 11, so that the danger caused by hitting the heel is avoided. The pedal 131 can also prevent the user from stepping empty, thus ensuring the use safety of the user. And the user who falls away because the motor is rearmounted and do not have running-board 131, in the in-process that falls away, can not hinder the heel, avoided falling down because of the different probably that cause of instep frictional force.

In the process of folding or unfolding the armrest assembly 2, the wire 43 is pulled through the switch 5, so that the driving block 42 presses the button 33, the first controllable gas spring 3 and the second controllable gas spring 3a are unlocked simultaneously, then the angle of the upright post 22 relative to the frame 14 can be adjusted, the armrest 21 is pushed or pulled, the upright post 22 is rotated to a proper position, the wire 43 is released, the button 33 automatically rebounds under the action of the internal pressure of the cylinder 31, and the first controllable gas spring 3 and the second controllable gas spring 3a are locked simultaneously, so that the rotation of the upright post 22 is limited.

Referring to fig. 26, in a third embodiment of the present invention, an external thread is disposed at an end of the rotating shaft 231, a nut 2311 is disposed between the second nylon shaft sleeve 18b and the snap ring 19a, and the nut 2311 can be in threaded connection with the rotating shaft 231. The nut 2311 makes the coupling of the rotation shaft 231 and the slider more tight.

Referring to fig. 27, in the fourth embodiment of the present invention, there are two limiting notches 232, and the angle between adjacent limiting notches 232 is 30 °. Fewer limit notches 232 facilitate angle determination during rotation of the column 22, avoiding frequent angle adjustments.

Referring to fig. 28, in the fifth embodiment of the present invention, the treadmill body 1 further includes a pair of elastic cords 6 detachably connected to the end portions of the motor housing 13, and a u-shaped limiting plate 7 for fixing the toes, wherein the end portions of the elastic cords 6 are provided with holding portions 61 for grasping, and the u-shaped limiting plate 7 is made of plastic. The u-shaped stopper plate 7 has an easily deformable elastic portion 71.

In use, the treadmill not only can realize the functions of forward walking, backward walking, running and forward walking and backward walking at the same time, but also can perform strength training through the elastic rope 6, for example, the user holds the holding part 61 to perform side lift training, thereby stimulating the triceps of the arm.

Sit up can carry out through u type limiting plate 7, at first lie in ground, the knee is crooked, leans on the sole to motor casing 13 again, and the elastic component 61 of u type limiting plate 7 is extruded to the tiptoe simultaneously, makes elastic component 61 warp to fixed whole sole can begin to move at last. The treadmill can also be used for push-up exercise, and a user can carry out push-up only by supporting the palm on one end of the frame 14.

The utility model discloses in, through the rearmounted motor, make this treadmill have simultaneously just walk and fall away, fall away safer beneficial effect.

The utility model discloses in, the slider passes through the rotation axis with the connector is articulated, makes this treadmill have the beneficial effect of adjustable stand angle and handrail position.

The utility model discloses in, through the unblock and the locking of on-off control air spring, make this treadmill have folding angle controllable, the fixed effectual beneficial effect of handrail component.

The utility model discloses in, first nylon axle sleeve, the second nylon axle sleeve that has the conical surface make the slider install or maintain more easily, make the rotation axis combine inseparabler with the slider simultaneously, have silence, smooth-going, not fragile beneficial effect during the rotation.

The utility model discloses in, through respectively with a pair of stretch cord and the u type limiting plate that motor casing end connection is fixed, make this treadmill have function diversification, temper effectual beneficial effect.

The utility model discloses in, but through angle regulation's handrail assembly, make this treadmill have forward walk, backward walk, double forward walk simultaneously and backward walk, the multiple usage pattern of running.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person can make modifications or changes equivalent to the above embodiments without departing from the scope of the present invention, but all the modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are within the scope of the present invention.

Claims (10)

1. A dual mode treadmill with four controllable gas spring structure adjustable armrests, comprising: treadmill main part, with treadmill main part moves the handrail subassembly of connecting, handrail subassembly includes a pair of stand, sets up the handrail between a pair of stand upper end and fixes the connector at the stand lower extreme, treadmill main part includes the frame, its characterized in that, the frame middle part is equipped with the slide, be equipped with in the slide with the slider of connecting is rotated to the connector, the frame is equipped with and is used for the drive the first controllable air spring of slider, the second controllable air spring that is used for rotary connector, treadmill still including being used for control first controllable air spring the locking of second controllable air spring and/or the controlling means of unblock.

2. The dual mode treadmill of claim 1, wherein the first controllable gas spring is fixedly connected to the frame and the slider, and the second controllable gas spring is hinged to the frame and the lower portion of the upright.

3. The dual-mode treadmill with four controllable gas spring structure adjusting armrests according to claim 1, wherein the connecting body is provided with a rotating shaft capable of adjusting an angle, the sliding block is hinged with the connecting body through the rotating shaft, the rotating shaft is provided with a plurality of radial limiting notches, the sliding block is provided with limiting columns corresponding to the limiting notches, and one end of each limiting column is provided with a return spring.

4. The dual-mode treadmill with four controllable gas spring structure adjusting armrests as claimed in claim 1, wherein the treadmill body further comprises a running belt, a motor located at the rear end of the running belt, the motor is externally provided with a motor casing fixedly connected with the frame, and the motor casing is provided with a pedal plate flush with the upper surface of the running belt.

5. The treadmill of dual mode with four gas spring configuration and adjustable armrest as recited in claim 3, wherein the first gas spring and the second gas spring each comprise a cylinder and a piston rod, wherein a button is disposed at an end of the piston rod.

6. The treadmill of claim 4, wherein the running belt comprises a pair of rollers hinged to two ends of the frame, the running belt is sleeved outside the pair of rollers, the motor is configured to drive the rollers to rotate, and the motor comprises a belt drivingly connected to the rollers.

7. A treadmill as set forth in claim 6, wherein a pair of said rollers have a deck therebetween for dampening vibrations.

8. A dual mode treadmill with four controllable gas spring structure adjustable armrests as defined in claim 5, wherein said control device comprises a fixed housing threadedly connected to said piston rod, a driving block hinged to the interior of said fixed housing, a wire for pulling said driving block to squeeze said button, and a switch connected to a plurality of said wires, said switch comprising a base fixedly connected to said frame and a pull ring hinged to said base, said pull ring having a rotating portion fixedly connected to the end of said wire.

9. A dual mode treadmill with four controllable gas spring structure adjustable armrests as defined in claim 8, wherein said base is provided with an arcuate slot corresponding to said posts, said arcuate slot limiting the rotational angle of said rotatable portion.

10. A treadmill as set forth in claim 8, wherein said first and second controllable gas springs are in an unlocked state when said drive block presses said button and said first and second controllable gas springs are in a locked state when said drive block releases said press of said button.

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