CN212327304U - Treadmill with secondary drive structure - Google Patents
Treadmill with secondary drive structure Download PDFInfo
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- CN212327304U CN212327304U CN202020670382.XU CN202020670382U CN212327304U CN 212327304 U CN212327304 U CN 212327304U CN 202020670382 U CN202020670382 U CN 202020670382U CN 212327304 U CN212327304 U CN 212327304U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 59
- 238000010009 beating Methods 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 8
- 238000005728 strengthening Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 abstract description 9
- 238000013016 damping Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a treadmill with second grade transmission structure, which comprises a frame, first drive wheel, the secondary drive wheel, the flywheel, left crank connecting rod and right crank connecting rod, first drive wheel, secondary drive wheel and flywheel respectively rotate the setting in the frame through a pivot respectively, are connected through first driving belt transmission between first drive wheel and the secondary drive wheel, and are connected and then form the second grade transmission structure that can improve the speed ratio through second driving belt transmission between secondary drive wheel and the flywheel. The utility model provides a flywheel passes through the second grade transmission structure to be connected with first drive wheel transmission, compares the machine of marking time that adopts one-level transmission structure among the prior art, and under the condition of the flywheel of adopting equal weight, the second grade transmission structure has improved the rotation ratio, has improved the motion smoothness nature of the machine of marking time, makes the person of taking exercise obtain good experience and feels.
Description
Technical Field
The utility model relates to a treadmill technical field, concretely relates to treadmill with secondary drive structure.
Background
Chinese document CN206285411U (application date: 2016, 12, 23) discloses a treadmill, which includes a treadmill frame, a first pedal, a second pedal, a first hydraulic damping device, a second hydraulic damping device, and a pulley assembly; the upper part of the front end of the treadmill support is provided with a first pivoting shaft and a second pivoting shaft, and the first pivoting shaft and the second pivoting shaft are V-shaped. When the first pedal is stepped down, the first hydraulic damping device arranged below plays a damping role, the first pedal is slowly stepped down, and meanwhile, the first pedal pulls the second pedal to rise through the pulley assembly through the steel rope; when stepping down the second running-board, second hydraulic damping device plays the damping effect, and the second running-board is slowly stepped down, and it passes through pulley assembly through the steel cable and pulls first running-board and rise simultaneously, so reciprocal exercise of stepping. However, the technology uses the first hydraulic damping device and the second damping device to provide the assisting force, and has the defect of unsmooth running during the stepping movement.
Chinese document CN207575653U (application date: 08 Yue 2017) discloses a stepping lacing wire machine, which comprises a frame, a left pedal, a right pedal, a rotating wheel, a left crank, a right crank and an inertia wheel; the rotating wheel and the inertia wheel are respectively and rotatably arranged on the frame and are in transmission connection through a belt; one end of the left crank and one end of the right crank are correspondingly and adaptively connected to the left end and the right end of the rotating shaft of the rotating wheel respectively; the frame having a front support; the front parts of the left pedal and the right pedal are respectively provided with a sliding chute along the length direction; the sliding grooves in the front parts of the left pedal and the right pedal are respectively in sliding fit with the left end and the right end of the upper part of the front support in a rotating mode, and the rear ends of the left pedal and the right pedal are respectively connected with the other ends of the left crank and the right crank in a rotating mode. Among this technical scheme, adopted the one-level transmission structure that rotates wheel and belt and formed to be connected with the flywheel transmission, though can improve the smooth and easy nature of its motion to a certain extent, still do not have very smoothly, can not be fine satisfy people's exercise demand.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a treadmill with secondary drive structure, it mainly solves is that the smooth and easy nature of motion of treadmill of prior art has the limitation, can not satisfy technical problem such as people's exercise demand well.
In order to achieve the purpose, the utility model is realized by the following technical proposal:
the utility model provides a treadmill with secondary drive structure, which comprises a frame, first drive wheel, the second drive wheel, the flywheel, left crank connecting rod and right crank connecting rod, first drive wheel, second drive wheel and flywheel rotate respectively through a pivot and set up in the frame, be connected through first drive belt transmission between first drive wheel and the second drive wheel, and be connected through second drive belt transmission between second drive wheel and the flywheel and then form the secondary drive structure that can improve the speed ratio, the front end of left crank connecting rod and right crank connecting rod rotates respectively and connects in frame front end both sides, left crank connecting rod and right crank connecting rod near rear end position respectively with the left and right sides adaptation of the pivot of first drive wheel is connected, and all be equipped with pedal subassembly on the rear end position of left crank connecting rod and right crank connecting rod.
Furthermore, the pedal assembly comprises a pedal plate and a pedal plate supporting kit, the pedal plate supporting kit comprises a supporting plate and a connecting part fixedly connected to the bottom of the supporting plate, the connecting part can be clamped at the rear end of the left crank connecting rod or the right crank connecting rod in a matched mode, and the connecting part is provided with a plurality of locking holes, so that the connecting part can be locked on the left crank connecting rod or the right crank connecting rod through locking screws in the locking holes.
Furthermore, connecting portion are the structure of falling U-shaped, make connecting portion can the adaptation ground back-off block on left crank connecting rod or right crank connecting rod rear end position.
Furthermore, locking holes are formed in the side face and the top of the connecting part.
Further, the support plate and the connecting portion are fixedly connected together by welding.
Furthermore, the pedal is locked on the supporting plate through screws.
Further, running-board support external member is still including strengthening the panel beating, strengthens panel beating fixed connection on the outside limit of connecting portion, and strengthens the upper end and the backup pad bottom fixed connection of panel beating in order to improve the running-board support external member and to the support steadiness of running-board.
Further, the side of strengthening the panel beating passes through welded fastening with the side of connecting portion to be connected, and the upper end of strengthening the panel beating passes through welded fastening with the backup pad bottom to be connected.
Treadmill with second grade transmission structure, have following advantage:
1. rotate in the frame and be provided with first drive wheel, the second drive wheel, the flywheel, and be connected through first drive belt transmission between first drive wheel and the second drive wheel, be connected and then form the second grade transmission structure that can improve the speed ratio through second drive belt transmission between second drive wheel and the flywheel, compare the machine of marking time that adopts one-level transmission structure among the prior art, under the condition of the flywheel of adopting equal weight, second grade transmission structure has improved the speed ratio, the motion smoothness nature of the machine of marking time has been improved, make the person of taking exercise obtain good experience and feel.
2. The pedal assembly comprises a pedal and a pedal supporting kit, the pedal supporting kit comprises a supporting plate and a connecting part fixedly connected to the bottom of the supporting plate, and the connecting part can be clamped at the rear end of the left crank connecting rod or the right crank connecting rod in a matched mode and locked through screws. Like this, temper the in-process, temper person's weight and be equivalent to on the rear end of falling on crank connecting rod, can reduce the motion in-process pedal assembly's junction and produce not hard up risk, guaranteed the safety in utilization, simultaneously, pedal assembly is through connecting portion card on crank connecting rod rear end and through the screw lock solid, compares in the grafting location connection structure among the prior art, and its connection steadiness is higher.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic view of another perspective structure according to an embodiment of the present invention.
Fig. 3 is a schematic view of another angle of the embodiment of the present invention.
Fig. 4 is an exploded perspective view of the footrest assembly according to the embodiment of the present invention.
Fig. 5 is an exploded perspective view of another embodiment of the footrest assembly.
FIG. 6 is a schematic view showing a structure of coupling the footrest assembly and the crank shaft in the prior art.
Description of reference numerals:
1. frame, 2, first drive wheel, 3, second drive wheel, 4, flywheel, 5, left crank connecting rod, 6, right crank connecting rod, 7, first drive belt, 8, second drive belt, 9, pedal subassembly, 91, running-board, 92, running-board supporting kit, 921, backup pad, 922, connecting portion, 923, reinforcing panel beating, 9221, locking hole.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1 to 5, in this embodiment, a treadmill with two-stage transmission structure includes a frame 1, a first transmission wheel 2, a second transmission wheel 3, a flywheel 4, a left crank link 5 and a right crank link 6, wherein the first transmission wheel 2, the second transmission wheel 3 and the flywheel 4 are respectively rotatably disposed on the frame 1 through a rotating shaft, the first transmission wheel 2 and the second transmission wheel 3 are in transmission connection through a first transmission belt 7, and the second transmission wheel 3 is in transmission connection with the flywheel 4 through a second transmission belt 8 so as to form a two-stage transmission structure capable of improving the rotation speed ratio, the front ends of the left crank connecting rod 5 and the right crank connecting rod 6 are respectively and rotatably connected to the two sides of the front end of the frame 1, the positions, close to the rear ends, of the left crank connecting rod 5 and the right crank connecting rod 6 are respectively and adaptively connected with the left side and the right side of the rotating shaft of the first transmission wheel 2, and pedal assemblies 9 are respectively arranged at the positions, close to the rear ends, of the left crank connecting rod 5 and the right. In this embodiment, frame 1 is last to rotate and is provided with first drive wheel 2, second drive wheel 3, flywheel 4, and be connected through the transmission of first drive belt 7 between first drive wheel 2 and the second drive wheel 3, be connected through the transmission of second drive belt 8 between second drive wheel 3 and the flywheel 4 and then form the second grade transmission structure that can improve the speed ratio, compare in the machine of marking time that adopts one-level transmission structure among the prior art, under the condition of adopting the flywheel 4 of equal weight, second grade transmission structure has improved the speed ratio, the motion smoothness nature of the machine of marking time has been improved, make the person of taking exercise obtain good experience and feel.
Referring to fig. 1 to 6, in the present embodiment, preferably, the pedal assembly 9 includes a pedal plate 91 and a pedal plate support assembly 92, the pedal plate support assembly 92 includes a support plate 921 and a connection portion 922 fixedly connected to the bottom of the support plate 921, the connection portion 922 can be fittingly clamped to the rear end of the left crank link 5 or the right crank link 6, and the connection portion 922 is provided with a plurality of locking holes 9221, so that the connection portion 922 can be locked to the left crank link 5 or the right crank link 6 by locking screws into the locking holes 9221. In the embodiment, a two-stage transmission structure is adopted, so that the rotating speed ratio is improved, and thus, higher requirements are also provided for the connection stability of the pedal assembly 9, the connection structure of the pedal assembly in the prior art is shown in figure 6, the pedal assembly and the crank connecting rod are fixed through the locking screw after being inserted and positioned, but the connection stability of the connection structure is poor, gravity mainly falls on the pedal assembly in the exercise process, and high requirements are provided for the connection strength of the insertion part, otherwise, the insertion connection part of the pedal assembly is easy to loosen and even fall, and further safety accidents are caused; in this embodiment, the pedal assembly 9 includes a pedal plate 91 and a pedal plate support assembly 92, the pedal plate support assembly 92 includes a support plate 921 and a connection portion 922 fixedly connected to the bottom of the support plate 921, and the connection portion 922 can be fittingly clamped at the rear end of the left crank link 5 or the right crank link 6 and locked by screws. Like this, temper the in-process, temper person's weight and be equivalent to on falling on crank connecting rod's rear end, can reduce the motion in-process pedal assembly 9's junction and produce not hard up risk, guaranteed the safety in utilization, simultaneously, pedal assembly 9 is through connecting portion 922 card on crank connecting rod rear end and through the screw lock solid, compares in prior art's grafting location connection structure, and its connection steadiness is higher.
Referring to fig. 4 and 5, in the present embodiment, preferably, the connecting portion 922 has an inverted U-shaped structure, so that the connecting portion 922 can be adaptively and inversely clamped at the rear end of the left crank link 5 or the right crank link 6. However, it should be understood by those skilled in the art that in other embodiments, the connecting portion 922 may have other structures, and is not limited to the inverted U-shaped structure disclosed in the present embodiment, such as an elliptical ring shape adapted to the shape of the crank link, and can be inserted from the rear end of the crank link during assembly, and then fixed by screw fastening.
Referring to fig. 4 and 5, in the embodiment, preferably, the connecting portion 922 is provided with a locking hole 9221 at both the side and the top. In this embodiment, the connection portion 922 can be fixed from multiple directions through the locking holes 9221 on the side and top of the connection portion 922, thereby improving the connection stability between the connection portion 922 and the crank link.
Referring to fig. 4 and 5, in the present embodiment, the support plate 921 and the connecting portion 922 are preferably fixedly connected together by welding.
Referring to fig. 4 and 5, in the present embodiment, the pedal 91 is preferably fastened to the support plate 921 by screws. In this embodiment, the pedal plate 91 can be easily assembled and replaced and maintained in a later period on the support plate 921 by the screw fastener.
Referring to fig. 4 and 5, in the embodiment, preferably, the pedal support assembly 92 further includes a reinforcing metal plate 923, the reinforcing metal plate 923 is fixedly connected to the outer side edge of the connecting portion 922, and the upper end of the reinforcing metal plate 923 is fixedly connected to the bottom of the support plate 921 to improve the support stability of the pedal support assembly 92 on the pedal 91. In this embodiment, because when the pedal motion, the outside atress of running-board 91 is compared and can be bigger in the inboard, consequently, will strengthen panel beating 923 and establish on the outside edge of connecting portion 922 and support backup pad 921 bottom, can improve the support steadiness of running-board support external member 92.
Referring to fig. 4 and 5, in the embodiment, preferably, the side edge of the reinforcing metal plate 923 is fixedly connected to the side edge of the connecting portion 922 by welding, and the upper end of the reinforcing metal plate 923 is fixedly connected to the bottom of the support plate 921 by welding.
The above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; these modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and therefore, all other embodiments obtained by those skilled in the art without any creative effort fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a treadmill with secondary drive structure which characterized in that: comprises a frame (1), a first transmission wheel (2), a second transmission wheel (3), a flywheel (4), a left crank connecting rod (5) and a right crank connecting rod (6), wherein the first transmission wheel (2), the second transmission wheel (3) and the flywheel (4) are respectively and rotatably arranged on the frame (1) through a rotating shaft, the first transmission wheel (2) is in transmission connection with the second transmission wheel (3) through a first transmission belt (7), the second transmission wheel (3) is in transmission connection with the flywheel (4) through a second transmission belt (8) to form a two-stage transmission structure capable of improving the rotating speed ratio, the front ends of the left crank connecting rod (5) and the right crank connecting rod (6) are respectively and rotatably connected with the two sides of the front end of the frame (1), the positions close to the rear end of the left crank connecting rod (5) and the right crank connecting rod (6) are respectively and adaptively connected with the left side and the right side of the rotating shaft of the first transmission wheel, and pedal assemblies (9) are arranged at the rear ends of the left crank connecting rod (5) and the right crank connecting rod (6).
2. The treadmill with two-stage transmission structure of claim 1, wherein: pedal subassembly (9) are including running-board (91) and running-board supporting kit (92), and running-board supporting kit (92) are including backup pad (921) and connecting portion (922) of fixed connection in backup pad (921) bottom, and connecting portion (922) can block on the rear end position of left crank connecting rod (5) or right crank connecting rod (6) with the adaptation, and have seted up a plurality of locking holes (9221) on connecting portion (922), make through lock-in screw in locking hole (9221) can with connecting portion (922) lock solid on left crank connecting rod (5) or right crank connecting rod (6).
3. The treadmill with two-stage transmission structure of claim 2, wherein: connecting portion (922) are the structure of falling U-shaped, make connecting portion (922) can the adaptation ground back-off block on left crank connecting rod (5) or right crank connecting rod (6) rear end position.
4. The treadmill with two-stage transmission structure of claim 3, wherein: and locking holes (9221) are formed in the side surface and the top position of the connecting part (922).
5. The treadmill with two-stage transmission structure of claim 2, wherein: the supporting plate (921) and the connecting part (922) are fixedly connected together through welding.
6. The treadmill with two-stage transmission structure of claim 2, wherein: the pedal (91) is locked on the support plate (921) through screws.
7. The treadmill with two-stage transmission structure according to any one of claims 2 to 6, wherein: the pedal supporting kit (92) further comprises a reinforcing metal plate (923), the reinforcing metal plate (923) is fixedly connected to the outer side edge of the connecting portion (922), and the upper end of the reinforcing metal plate (923) is fixedly connected with the bottom of the supporting plate (921) to improve the supporting stability of the pedal supporting kit (92) on the pedals (91).
8. The treadmill with two-stage transmission structure of claim 7, wherein: the side of strengthening panel beating (923) passes through welded fastening with the side of connecting portion (922), and the upper end of strengthening panel beating (923) passes through welded fastening with backup pad (921) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020670382.XU CN212327304U (en) | 2020-04-28 | 2020-04-28 | Treadmill with secondary drive structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020670382.XU CN212327304U (en) | 2020-04-28 | 2020-04-28 | Treadmill with secondary drive structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212327304U true CN212327304U (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020670382.XU Active CN212327304U (en) | 2020-04-28 | 2020-04-28 | Treadmill with secondary drive structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212327304U (en) |
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2020
- 2020-04-28 CN CN202020670382.XU patent/CN212327304U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 8 Sunshine Road, Haicang District, Xiamen City, Fujian Province, 361000 Patentee after: XIAMEN WEIDIKANG TECHNOLOGY CO.,LTD. Country or region after: China Address before: 361000 No.5-2, Yangtai Road, Xinyang Industrial Zone, Haicang District, Xiamen City, Fujian Province Patentee before: XIAMEN WEIDIKANG TECHNOLOGY CO.,LTD. Country or region before: China |
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