CN215822251U

CN215822251U - Lifting type running machine

Info

Publication number: CN215822251U
Application number: CN202121093368.9U
Authority: CN
Inventors: 叶全胜
Original assignee: Guangzhou Yuandong Smart Sports Technology Co Ltd
Current assignee: Guangzhou Yuandong Smart Sports Technology Co Ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2022-02-15
Anticipated expiration: 2031-05-20

Abstract

The utility model relates to a lifting type running machine which comprises an underframe, an upright post, a lifting assembly and a running platform, wherein the upright post is arranged on the underframe; the lifting assembly comprises a lifting frame, a first connecting rod, a second connecting rod and a lifting motor; one end of each of the first connecting rod and the second connecting rod is movably connected with the lifting frame, and the other end of each of the first connecting rod and the second connecting rod is movably connected with the underframe; one end of the lifting motor is movably connected with the lifting frame, and the other end of the lifting motor is movably connected with the underframe; the front end of the running platform is movably connected with the lifting frame; the lifting motor operates to enable the first connecting rod and the second connecting rod to rotate, further drives the lifting frame to ascend and move backwards, or drives the lifting frame to descend and move forwards, so that the running platform front end is lifted, the purpose of gradient adjustment is achieved, a groove is formed in the front end of the lifting frame and used for containing the stand column, the position conflict between the running platform front end and the stand column is avoided, and the width of the lifting type running machine is increased.

Description

Lifting type running machine

Technical Field

The utility model relates to the technical field of treadmills, in particular to a lifting type treadlemill.

Background

Along with the improvement of living standard, people also pay more and more attention to health, temper through various modes in order to improve self physical quality, the treadmill is convenient and be suitable for family expenses and receive people's liking widely by virtue of it controls. The slope of traditional treadmill race platform is fixed mostly, can not conveniently go up and down and angle regulation according to the person's of building-up body demand at any time, can not satisfy different person of building-up body and the same person of building-up body to the different demands of the slope of running at different periods. There is also the design that can realize the adjustment of treadmill running platform slope in the existing structure, it uses elevator motor to realize lift function usually, please refer to fig. 1, fig. 1 is the elevation type treadmill structure schematic diagram among the prior art, as shown in the figure, it includes chassis 10, stand 20, crane 30, run platform 40 and elevator motor 50, stand 20 is fixed to be set up in chassis 10, crane 30 is articulated with chassis 10 and the activity of running platform 40 front end respectively, elevator motor 50 sets up between running platform 40 and crane 30, and promote through elevator motor 50's screw rod and run platform 40 front end and rise, and drive and run platform 40 and wholly move forward, realize the purpose that the slope rised. But above design can lead to running platform 40 front end and stand 20 to produce the position and overlap, stand 20 can only set up into two stand designs, and it lies in the both sides of chassis 10 and strides the running platform setting, leads to the whole width grow of treadmill, has increased occupation space, does not conform to the miniaturized trend of domestic appliance now, and its increase in volume has increased the cost of packing transportation simultaneously.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims to provide an elevating treadmill which has the advantages of simple structure, small occupied space and capability of realizing gradient adjustment.

A lifting treadmill comprises an underframe, a stand column, a lifting assembly and a running platform; the upright post is fixedly arranged on the bottom frame, and the running platform is positioned above the bottom frame; the lifting assembly comprises a lifting frame, a first connecting rod, a second connecting rod and a lifting motor; one end of each of the first connecting rod and the second connecting rod is movably connected with the lifting frame, and the other end of each of the first connecting rod and the second connecting rod is movably connected with the underframe; one end of the lifting motor is movably connected with the lifting frame, and the other end of the lifting motor is movably connected with the underframe; the front end of the running platform is movably connected with the lifting frame; the lifting motor operates to enable the first connecting rod and the second connecting rod to rotate, and further drives the lifting frame to rise and move backwards, or drives the lifting frame to fall and move forwards, so that the front end of the running platform is lifted; the front end of the lifting frame is provided with a groove position for accommodating the upright post.

The lifting treadmill of the embodiment of the utility model is characterized in that the lifting frame, the first connecting rod and the second connecting rod are arranged, the first connecting rod and the second connecting rod are movably connected with the lifting frame, a lifting motor is used as a power mechanism, the front end of the treadmill is movably hinged with the lifting frame, the lifting motor can drive the first connecting rod and the second connecting rod to rotate, and further drive the lifting frame to rise and move backwards, or drive the lifting frame to fall and move forwards, so that the front end of the treadmill can rise and fall, the purpose of gradient adjustment is achieved, the position conflict between the front end of the treadmill and the upright post is avoided through the arrangement of the slot position of the front end of the lifting frame, and the problem that the width of the lifting treadmill is increased due to the adoption of a double-upright post structure crossing the treadmill in the prior art is avoided, is beneficial to reducing the occupied space and is suitable for the household environment.

Furthermore, the lifting frame, the first connecting rod, the underframe and the second connecting rod sequentially form a hinge four-bar structure, and hinged shafts of the four-bar structure are arranged along the width direction of the lifting type running machine, so that the parallel lifting motion of the lifting frame is convenient to realize.

Furthermore, the upright columns are arranged in the middle of the underframe, and at least two first connecting rods are arranged on two sides of each upright column along the width direction of the lifting treadmill; the lifting frame comprises lifting support rods and lifting cross rods, one end of each lifting support rod is correspondingly movably connected with the first connecting rod, and the other end of each lifting support rod is movably connected with the front end of the running platform; the two ends of the lifting cross rod are fixedly connected with the two lifting support rods respectively, and are enclosed with one ends, far away from the running platform, of the two lifting support rods to form the groove positions, and the lifting cross rod is movably connected with the second connecting rod. Through the structure setting of crane, the crane with when running the platform and descend and move forward, the stand can hold in two in the trench between the lift branch, effectively avoided the stand with the crane run the position conflict between the platform.

Further, the crane still includes motor hinge rod and first articulated shaft spare, the motor hinge rod is fixed set up in the lift horizontal pole middle part, it runs through and has seted up first motor hinge hole, the motor body arch is provided with the motor hinge seat, the motor hinge seat runs through and has seted up second motor hinge hole, first articulated shaft spare is worn to locate first motor hinge hole and second motor hinge hole.

Further, the crane still includes second articulated shaft spare, each the lift branch tip runs through and has seted up the first articulated hole of running the platform, it is provided with the articulated axle bed of running the platform to run the platform front end, it is provided with the second articulated hole of running the platform to run the articulated axle bed of platform, second articulated shaft spare is worn to locate the first articulated hole of running the platform and the second articulated hole of running the platform. Utilize articulated shaft spare to realize the activity articulated, simple structure and activity stability are good.

Further, the first hinge shaft member includes a first screw rod and a first nut, the first screw rod is movably disposed through the first motor hinge hole and the second motor hinge hole, and the first nut is sleeved on the first screw rod; the second articulated shaft spare includes the second screw rod, changes cover and packing ring, the second screw rod includes the body of rod and is fixed in the screw head of body of rod tip, the body of rod is worn to locate first race platform hinge hole and the platform hinge hole is run to the second, change the cover with the packing ring cover is located the body of rod, just it is located to change the cover the body of rod with between the lift branch, the packing ring is located change the cover with between the screw head, change the cover and the setting up of packing ring can reduce when the activity lift branch with the body of rod change the cover with friction between the screw head reduces structural damage, only need change after the wearing and tearing and change cover and packing ring, reduces maintenance cost and the degree of difficulty.

Further, the running platform comprises a running frame, a roller, a running belt and a driving device; the number of the rollers is at least two, and each roller is rotatably arranged on the running frame; the running belt is sleeved on the roller and moves along with the rotation of the roller; the driving device comprises a driving motor and a transmission belt; the driving motor comprises a motor body and a driving shaft, the motor body is fixed on the lifting frame, the end part of the driving shaft is rotatably connected with the motor body, and the driving shaft and one of the driving shaft and the roller are sleeved with the transmission belt. The driving device is in driving connection with the roller, the driving device is used for driving the roller to rotate so as to drive the running belt to rotate, the function of the treadmill is achieved, transmission is achieved through the transmission belt, and the treadmill is simple in structure and high in transmission efficiency.

Further, when the lifting frame is lifted and moved backwards or descended and moved forwards, the distance between the driving motor and the roller is not changed, so that the influence on the normal function of the running machine is avoided.

Further, the driving shaft and the end surface of the roller are provided with a plurality of annular grooves along the circumferential direction, and the transmission belt is in contact with the annular grooves. The annular groove is arranged to increase the friction coefficient, so that the driving motor can drive the roller to rotate better, and the transmission efficiency is improved.

Further, run the platform and still include two at least truckles, the truckle is located run the platform rear end, and rotate respectively and set up in two run the frame, so that reduce run the platform and use the friction on regional ground, be convenient for it moves forward or moves backward.

For a better understanding and practice, the utility model is described in detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic view of an elevating treadmill of the prior art;

FIG. 2 is a schematic perspective view of an elevating treadmill according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of the lifting assembly and the treadmill according to the embodiment of the present invention;

FIG. 4 is a schematic structural view of the lifting frame and the treadmill according to the embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a lift motor according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a driving device according to an embodiment of the present invention;

FIG. 7 is a schematic view of an initial state of the elevating treadmill according to the embodiment of the present invention;

fig. 8 is a schematic view of an ascending structure of the elevating treadmill according to the embodiment of the present invention.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Referring to fig. 2-4, fig. 2 is a schematic perspective view of an elevating treadmill according to an embodiment of the present invention, fig. 3 is a schematic structural view of an elevating assembly and a treadmill according to an embodiment of the present invention, fig. 4 is a schematic structural view of an elevating frame and a treadmill according to an embodiment of the present invention, and an embodiment of the present invention provides an elevating treadmill, which includes a base frame 10, a pillar 20, an elevating assembly 30, and a treadmill 40; the upright post 20 is fixedly arranged on the underframe 10; the lifting assembly 30 comprises a lifting frame 31, a first connecting rod 32, a second connecting rod 33 and a lifting motor 34; one ends of the first connecting rod 32 and the second connecting rod 33 are movably connected with the lifting frame 31, and the other ends are movably connected with the underframe 10; one end of the lifting motor 34 is movably connected with the lifting frame 31, and the other end is movably connected with the underframe 10; the lifting motor 34 operates to rotate the first connecting rod 32 and the second connecting rod 33, and further drives the lifting frame 31 to lift and move backwards, or drives the lifting frame 31 to descend and move forwards, so that the front end of the running platform 40 is lifted; the front end of the lifting frame 31 is provided with a slot 50 for accommodating the upright post 20.

As an optional embodiment, the lifting frame 31, the first connecting rod 32, the bottom frame 10 and the second connecting rod 33 sequentially form a hinge four-bar structure, and hinge shafts of the four-bar structure are all arranged along the width direction of the lifting treadmill, so that the parallel lifting motion of the lifting frame is conveniently realized.

Specifically, referring to fig. 5, fig. 5 is a schematic structural diagram of a lifting motor according to an embodiment of the present invention, in which the lifting motor 34 includes a lifting motor body 342 and a movable rod 344, the lifting motor body 342 is hinged to the lifting frame 31, one end of the movable rod 344 is fixedly connected to the lifting motor body 342, the other end is movably hinged to the bottom frame 10, and the lifting motor 34 drives the lifting frame 31 to generate parallel lifting motion under the action of the four-bar hinge.

As an alternative embodiment, the number of the first connecting rods 32 is at least two, and they are arranged on both sides of the upright post 20 along the width direction of the elevating treadmill; the lifting frame 31 comprises two lifting support rods 311 and two lifting cross rods 312, one end of each lifting support rod 311 is movably hinged with the corresponding first connecting rod 32, and the other end of each lifting support rod 311 is movably hinged with the front end of the running platform 40; the two ends of the lifting cross bar 312 are respectively fixedly connected with the middle parts of the two lifting support rods 311, and form a slot 50 with the end of the two lifting support rods 311 far away from the running platform 40, and the lifting cross bar 312 is movably hinged with the second connecting rod 33. Through the structure setting of crane 31, when running platform 40 and falling and crane 31 antedisplacement, stand 20 can hold in the trench 50 between two lift branch 311, has effectively avoided the position conflict between stand 20 and crane 31, the running platform 40.

Specifically, the lifting frame 31 further comprises a motor hinge rod 313, a first hinge shaft 314 and a second hinge shaft 315, the motor hinge rod 313 is fixedly arranged on the lifting cross bar 312, preferably in the middle of the lifting cross bar 312, the motor connecting stem 313 is provided with a first motor hinge hole in a penetrating manner, the lifting motor body 342 is convexly provided with a motor hinge seat (not shown), the motor hinging seat is provided with a second motor hinging hole in a penetrating way, the first hinging shaft part 314 is arranged in a penetrating way in the first motor hinging hole and the second motor hinging hole, specifically, the first hinging shaft part 314 comprises a first screw rod 316 and a first nut 317, the first screw rod 316 is movably arranged in the first motor hinging hole and the second motor hinging hole, the first screw rod 316 is sleeved with the first nut 317, the hinging shaft part is utilized to realize movable hinging, and the structure is simple and the activity stability is good.

A first running platform hinge hole is formed in the end part of each lifting support rod 311 in a penetrating manner, a running platform hinge shaft seat is arranged at the front end of the running platform 40, a second running platform hinge hole is formed in the running platform hinge shaft seat, and a second hinge shaft 315 penetrates through the first running platform hinge hole and the second running platform hinge hole; specifically, second articulated shaft spare 315 includes second screw rod 318, changes cover 319 and packing ring 310, and second screw rod 318 includes the body of rod and is fixed in the screw head of body of rod tip, the body of rod is worn to locate first race platform hinge hole and the second is run the platform hinge hole, changes cover 319 and packing ring 310 cover and is located the body of rod, and change cover 319 is located between the body of rod and lift branch 311, packing ring 310 be located change cover 319 with between the screw head, change set 319 and packing ring 310 set up can reduce lift branch 31 when crane 31 parallel goes up and down to move about with the body of rod, change cover 319 with friction between the screw head reduces the structural damage, only need change after the wearing and tearing and change cover 319 and packing ring 310, reduces maintenance cost and the degree of difficulty.

As an alternative embodiment, in this embodiment, the running platform 40 includes two running frames 41, a roller 42, a running belt 43 and a driving device 44, the two running frames 41 are oppositely disposed, the roller 42 is disposed between the two running frames 41; the number of the rollers 42 is at least two, and two ends of each roller 42 are respectively connected with the running frame 41 in a rotating way; the running belt 43 is sleeved on the roller 42 and moves along with the rotation of the roller 42; the driving device 44 is connected with the roller 42 in a driving way, and the driving device 44 is used for driving the roller 42 to rotate so as to drive the running belt 43 to rotate, thereby realizing the function of the treadmill.

Specifically, referring to fig. 6, fig. 6 is a schematic structural diagram of a driving device according to an embodiment of the present invention, in which the driving device 44 includes a driving motor 441 and a driving belt 442; the driving motor 441 comprises a driving motor body and a driving shaft (not shown), the driving motor body is fixed on the lifting frame 31, the end part of the driving shaft is rotatably connected with the driving motor body, the driving shaft and one of the rollers 42 are sleeved with a transmission belt 442, transmission is realized by the transmission belt 442, and the structure is simple and the transmission efficiency is high. It is further preferred that the drive shaft and the end surface of the drum 42 are each provided with a plurality of annular grooves 45 along the circumferential direction, and the drive belt 442 is in contact with the annular grooves 45. The arrangement of the annular groove 45 can increase the friction coefficient, so that the driving motor 441 can drive the roller 42 to rotate better, and the transmission efficiency is improved. Further, when the lifting frame 31 is lifted and moved backwards or descended and moved forwards, the distance between the driving motor 441 and the roller 42 is unchanged, and the structure enables the driving motor 441 and the roller 42 to be lifted synchronously without adjusting the tensioning degree of the transmission belt in order to adapt to the position change of the treadmill, so that the transmission belt 442 is prevented from being loosened and further affecting the normal function of the treadmill.

As an optional embodiment, in this embodiment, the running platform 40 further includes at least two casters 46, and the casters 46 are located at the rear end of the running platform 40 and respectively rotatably disposed on the two running frames 41, so as to reduce friction between the running platform 40 and the ground of the use area, and facilitate the back and forth movement of the running platform 40 during the lifting process. The handrails 22 are movably hinged and fixed on two sides of the upright post 20 to improve the use safety, and the display panel integrating the control and function modules is arranged at the top of the upright post to facilitate the use of a user.

In the lifting treadmill of the embodiment of the present invention, the lifting frame 31, the first connecting rod 32 and the second connecting rod 33 are arranged to form a four-bar hinge structure with the base frame 10, the lifting motor 34 is used as a power mechanism, the first hinge shaft 314 is disposed through the first motor hinge hole and the second motor hinge hole to realize the movable hinge of the lifting motor body 342 and the lifting frame 31, the end of the movable rod 344 is movably hinged with the base frame 10, the lifting motor body 342 can drive the movable rod 344 to move along the axial direction thereof, please refer to fig. 7, fig. 7 is a schematic structural diagram of an initial state of the lifting treadmill of the embodiment of the present invention, as shown in the figure, when the lifting treadmill is in the initial state, a distance between a hinge point a of the lifting motor body 342 and the lifting frame 31 and a hinge point b of the movable rod 344 and the base frame 10 is L, at this time, the running platform 40 of the lifting type running machine is in a horizontal state, and the gradient of the running belt 43 is 0 degree; referring to fig. 8, fig. 8 is a schematic structural diagram of an upward slope state of the elevating treadmill according to the embodiment of the present invention, when a user needs to increase a slope, the elevating motor 34 works, the elevating motor body 342 drives the movable rod 344 to move along an axial direction thereof in a direction away from the elevating motor body 342, resulting in an increase of L, the elevating frame 31 is pushed to rise in parallel and move backward under a cooperation effect of the first connecting rod 32 and the second connecting rod 33, at this time, a parallelogram connecting rod structure is formed among the elevating frame 31, the first connecting rod 32, the second connecting rod 33 and the base frame 10, a front end of the treadmill 40 hinged to the elevating frame 31 rises, a rear end of the movably disposed treadmill 40 can move backward by rolling of the caster 46, at this time, the treadmill 40 is in a state of high front end and low rear end, the slope of the treadmill belt 43 increases, and the user's requirement for higher exercise intensity is met; on the contrary, when the user needs to reduce the gradient, the lifting motor body 342 drives the movable rod 344 to move along the axial direction thereof towards the direction close to the lifting motor body 342, so that the L is reduced, the lifting frame 31 descends and moves forwards in parallel, the front end of the running platform 40 is lowered, and the purpose of reducing the gradient of the running belt 43 is achieved.

In addition, in the lifting treadmill of the embodiment of the utility model, by optimizing the structure of the lifting frame, the two lifting support rods are respectively arranged at two sides of the upright post, the end parts of the two lifting support rods are movably hinged with the first connecting rod, and the middle parts of the two lifting support rods are fixedly connected with the lifting cross rod to form a slot for accommodating the upright post, so that the position conflict between the lifting frame and the running platform and the upright post in the gradient adjusting process can be avoided, and the technical problems that the double upright posts need to be arranged across the running platform in the prior art, the occupied space is larger, and the running platform is not suitable for the domestic environment due to the increase of the width are avoided.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. An over-and-under type treadmill which characterized in that: comprises an underframe, a stand column, a lifting component and a running platform; the upright post is fixedly arranged on the bottom frame, and the running platform is positioned above the bottom frame; the lifting assembly comprises a lifting frame, a first connecting rod, a second connecting rod and a lifting motor; one end of each of the first connecting rod and the second connecting rod is movably connected with the lifting frame, and the other end of each of the first connecting rod and the second connecting rod is movably connected with the underframe; one end of the lifting motor is movably connected with the lifting frame, and the other end of the lifting motor is movably connected with the underframe; the front end of the running platform is movably connected with the lifting frame; the lifting motor operates to enable the first connecting rod and the second connecting rod to rotate, and further drives the lifting frame to rise and move backwards, or drives the lifting frame to fall and move forwards, so that the front end of the running platform is lifted; the front end of the lifting frame is provided with a groove position for accommodating the upright post.

2. The elevating treadmill of claim 1, wherein: the lifting frame, the first connecting rod, the underframe and the second connecting rod sequentially form a hinge four-bar structure, and hinged shafts of the four-bar structure are arranged along the width direction of the lifting treadmill.

3. The elevating treadmill of claim 2, wherein: the upright posts are arranged in the middle of the underframe, and at least two first connecting rods are arranged on two sides of each upright post along the width direction of the lifting treadmill; the lifting frame comprises lifting support rods and lifting cross rods, one end of each lifting support rod is correspondingly movably connected with the first connecting rod, and the other end of each lifting support rod is movably connected with the front end of the running platform; the two ends of the lifting cross rod are fixedly connected with the two lifting support rods respectively, and are enclosed with one ends, far away from the running platform, of the two lifting support rods to form the groove positions, and the lifting cross rod is movably connected with the second connecting rod.

4. The elevating treadmill of claim 3, wherein: the crane still includes motor hinge arm and first articulated shaft spare, the motor hinge arm fixed set up in lift horizontal pole middle part, it runs through and has seted up first motor hinge hole, the motor body arch is provided with the motor hinge seat, the motor hinge seat runs through and has seted up second motor hinge hole, first articulated shaft spare is worn to locate first motor hinge hole and second motor hinge hole.

5. The elevating treadmill of claim 4, wherein: the lifting frame further comprises a second hinged shaft piece, each lifting support rod end portion penetrates through the lifting support rod end portion and is provided with a first running platform hinged hole, the front end of the running platform is provided with a running platform hinged shaft seat, the running platform hinged shaft seat is provided with a second running platform hinged hole, and the second hinged shaft piece is arranged in a penetrating mode in the first running platform hinged hole and the second running platform hinged hole.

6. The elevating treadmill of claim 5, wherein: the first hinge shaft piece comprises a first screw rod and a first nut, the first screw rod is movably arranged in the first motor hinge hole and the second motor hinge hole in a penetrating mode, and the first nut is sleeved on the first screw rod; the second articulated shaft piece includes the second screw rod, changes cover and packing ring, the second screw rod includes the body of rod and is fixed in the screw head of body of rod tip, the body of rod is worn to locate first race platform hinge hole and the platform hinge hole is run to the second, change the cover with the packing ring cover is located the body of rod, just it is located to change the cover the body of rod with between the lift branch, the packing ring is located change the cover with between the screw head.

7. The elevating treadmill of claim 6, wherein: the running platform comprises a running frame, a roller, a running belt and a driving device; the number of the rollers is at least two, and each roller is rotatably arranged on the running frame; the running belt is sleeved on the roller and moves along with the rotation of the roller; the driving device comprises a driving motor and a transmission belt; the driving motor comprises a motor body and a driving shaft, the motor body is fixed on the lifting frame, the end part of the driving shaft is rotatably connected with the motor body, and the driving shaft and one of the driving shaft and the roller are sleeved with the transmission belt.

8. The elevating treadmill of claim 7, wherein: when the lifting frame is lifted and moves backwards or descends and moves forwards, the distance between the driving motor and the roller is unchanged.

9. The elevating treadmill of claim 7, wherein: the driving shaft and the surface of the end part of the roller are both provided with a plurality of annular grooves along the circumferential direction, and the driving belt is in contact with the annular grooves.

10. The elevating treadmill of claim 7, wherein: run the platform and still include two at least truckles, the truckle is located run the platform rear end, and rotate respectively and set up in two run the frame.