CN210057267U - Treadmill and idler mechanism - Google Patents
Treadmill and idler mechanism Download PDFInfo
- Publication number
- CN210057267U CN210057267U CN201920798197.6U CN201920798197U CN210057267U CN 210057267 U CN210057267 U CN 210057267U CN 201920798197 U CN201920798197 U CN 201920798197U CN 210057267 U CN210057267 U CN 210057267U
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- support
- idler
- idler wheel
- running belt
- base
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Abstract
A treadmill and idler mechanism, the treadmill includes a base mechanism, a treadmill belt set mechanism, and an idler mechanism. The base mechanism comprises a base and two rotating shafts which are rotatably pivoted on the base. The running belt set mechanism is sleeved on the periphery of the rotating shaft of the base mechanism and used for rotating relative to the base. The idler wheel mechanism comprises a support arranged on the base and an idler wheel which is connected with the support and contacts with the inner surface of the running belt set mechanism. The idler wheel supports against the inner surface of the running belt set mechanism, and the idler wheel is used for maintaining a preset tension for the running belt set mechanism. By using the design of the idle wheel mechanism, the running belt set mechanism is maintained to be tightly sleeved on the base mechanism in a surrounding manner.
Description
Technical Field
The present invention relates to a treadmill, and more particularly to a treadmill with a non-loose running belt assembly mechanism and an idler mechanism suitable for installation on a treadmill.
Background
In recent years, running exercise has been flourishing. Since the treadmill is used indoors for body building, the treadmill cannot be limited by weather, and the harm of air pollution to the body does not need to be considered, so that a lot of people can choose to use the treadmill.
The prior treadmill mainly comprises a base and a crawler-type running belt sleeved on the base. The crawler-type running belt can be driven to run circularly so as to provide running motion for a user on the running belt. However, this crawler-type running belt can be along with the number of times of use and service life's increase and relax gradually because weight is heavier, when causing the user to use the treadmill, this crawler-type running belt can vibrate from top to bottom and rock, is unfavorable for the smooth and easy degree of running, and whole crawler-type running belt loosens from this base even. Therefore, it is a subject of research by those skilled in the art how to maintain the tightness of the track belt.
Disclosure of Invention
An object of the utility model is to provide a treadmill which can overcome the shortcomings of the background art at least.
The utility model discloses a treadmill contains base mechanism and running zone group mechanism, and this base mechanism includes the base, and interval and rotationally the pivot locate the pivot on this base around two, and this running zone group mechanism flexible ring cover is in this base mechanism the pivot is peripheral, and be used for the quilt the pivot drives changes and this base rotates relatively, and this running zone group mechanism includes internal surface, its characterized in that: the treadmill also comprises an idler wheel mechanism, wherein the idler wheel mechanism comprises a support arranged on the base of the base mechanism and an idler wheel which is connected with the support and supports against the inner surface of the running belt set mechanism, and the idler wheel is used for maintaining preset tension for the running belt set mechanism.
The treadmill of the present invention, the idler mechanism further comprises an arm support pivotally connected to the frame and capable of swinging relative to the frame and pivotally supporting the idler.
The treadmill, the idler mechanism further has an elastic device disposed between the support and the arm support, the elastic device applies the elastic force to the arm support, so that the arm support drives the idler to support the running belt set mechanism, and the running belt set mechanism maintains the predetermined tension.
Treadmill, this idler mechanism's support is including connecting in this body of base, and extend and connect in the connecting portion of this elastic appliance from this body, this idler mechanism's cantilever crane includes the pin joint in the pin joint portion of this body of support, extend and the pin joint in the atress portion of this elastic appliance from this pin joint portion, and extend and supply the force application portion that this idler pivot was established from this pin joint portion, the elasticity of this elastic appliance is pulled the atress portion of this cantilever crane toward the direction of the connecting portion of this support and is carried, make the force application portion of this cantilever crane use this pin joint portion as the swing of central point, drive this idler down prop the internal surface of this running belt group mechanism.
The arm support of the idler mechanism of the treadmill of the present invention is of an inverted V shape, and the force receiving portion and the force applying portion of the arm support are located on opposite sides of the pivot portion.
Treadmill, this idler mechanism still includes an adjuster, this idler mechanism's support is including connecting in this body portion of base, and extend and connect in the connecting portion of this adjuster from this body portion, this idler mechanism's cantilever crane includes the pin joint in the pin joint portion of this body portion of support, extend and connect in the atress portion of this adjuster from this pin joint portion, and extend and supply the force application portion that this idler pivot was established from this pin joint portion, this adjuster is used for adjusting the connecting portion of this support and the interval of the atress portion of this cantilever crane, make the force application portion of this cantilever crane use this pin joint portion as the swing of central point, be used for maintaining this idler and down prop to this running band group mechanism.
Treadmill, this idler mechanism's support has the long slot face that defines the through-hole, this through-hole is movably worn to locate by this idler of this idler mechanism, this idler mechanism still includes the regulator of wearing to locate this support and this idler, this regulator is used for adjusting the interval of this idler and the one end of this long slot face, and maintain this idler and down prop to this treadmill group mechanism.
Treadmill, this base mechanism's base include that two intervals set up and supply the side bearer that the pivot was established, this treadmill contains two idler mechanism, each idler mechanism's support set up in respective the side bearer.
Treadmill, this treadmill group mechanism include track group, and the area of running, this track group has rotationally the cover in this base mechanism pivot outlying track, and connect in this track and have the conduction band of this internal surface, should run the area and lay in the surface of this track and this conduction band and be applicable to and supply this user to trample.
It is another object of the present invention to provide an idler mechanism that overcomes at least the shortcomings of the background art.
The utility model discloses an idler mechanism is applicable to and installs on the treadmill, and this treadmill contains base mechanism, and rotationally the running zone group mechanism of ring cover in this base mechanism, and this running zone group mechanism includes internal surface, its characterized in that: the idler wheel mechanism comprises a support and an idler wheel, the support is suitable for being arranged on the base mechanism, the idler wheel is connected to the support and is suitable for supporting the inner surface of the running belt set mechanism, and therefore the running belt set mechanism can maintain preset tension.
The idler mechanism of the present invention further comprises an arm support pivotally connected to the support and capable of swinging relative to the support and pivotally supporting the idler.
The idler mechanism further comprises an elastic device disposed between the bracket and the arm support, wherein the elastic device applies an elastic force to the arm support to make the arm support drive the idler to support the running belt set mechanism, and the running belt set mechanism maintains the predetermined tension.
Idler mechanism, this support is including being applicable to the body portion of connecting in this base mechanism, and extend and connect in the connecting portion of this elastic appliance from this body portion, this cantilever crane includes the pin joint in the pin joint portion of this body portion of support, extend and the pin joint in this elastic appliance and with this connecting portion spaced atress portion from this pin joint portion, and extend and supply the force application portion that this idler pivot was established from this pin joint portion, the elasticity of this elastic appliance is pulled the atress portion of this cantilever crane toward the direction of the connecting portion of this support and is carried, make the force application portion of this cantilever crane use this pin joint portion as the swing of central point, drive this idler down prop the internal surface of this running belt group mechanism.
The idler mechanism of the present invention, the arm support is of an inverted "V" shape, and the force receiving portion and the force applying portion of the arm support are located on opposite sides of the pivot portion.
Idler mechanism, still contain the adjuster, this support is including being applicable to and connecting in this body of base mechanism, and extend and connect in the connecting portion of this adjuster from this body, this cantilever crane includes the pin joint in the pin joint portion of this body of support, extend and connect in the atress portion of this adjuster from this pin joint portion, and extend and supply the force application portion that this idler pivot was established from this pin joint portion, this adjuster is used for adjusting the connecting portion of this support and the interval of the atress portion of this cantilever crane, make the force application portion of this cantilever crane use this pin joint portion as the swing of central point, be used for maintaining this idler and down prop to this running zone group mechanism.
Idler mechanism, this support has the long flute profile that delimits the through-hole, this through-hole is worn to locate by this idler is movably, this idler mechanism still contains the regulator of wearing to locate this support and this idler, this regulator is used for adjusting the interval of this idler and the one end of this long flute profile, and be applicable to and maintain this idler down prop and support this treadmill group mechanism.
The beneficial effects of the utility model reside in that: the design of the idle wheel mechanism is utilized to maintain the preset tension of the running belt set mechanism, so that the running belt set mechanism is tightly sleeved on the base mechanism in a surrounding manner, and the conditions that the running belt set mechanism vibrates up and down and shakes due to looseness when the treadmill is used are avoided.
Drawings
Other features and advantages of the present invention will become apparent from the following detailed description of the preferred embodiments with reference to the accompanying drawings, in which:
FIG. 1 is a perspective view illustrating a first embodiment of the treadmill of the present invention;
FIG. 2 is a perspective view from another perspective of the first embodiment;
FIG. 3 is a side view of the first embodiment;
FIG. 4 is an enlarged view of a portion of FIG. 1, with a top portion of the base omitted;
FIG. 5 is an enlarged view of a portion of FIG. 2, with the top of the base omitted;
FIG. 6 is a sectional view taken along the section line I-I of FIG. 4, with the top of the base omitted;
FIG. 7 is a cross-sectional view similar to FIG. 6 illustrating a second embodiment of the treadmill of the present invention;
fig. 8 is a fragmentary perspective view illustrating a third embodiment of the running machine of the present invention.
Detailed Description
Before the present invention is described in detail, it should be noted that in the following description, like elements are represented by like reference numerals.
Referring to fig. 1 to 3, a first embodiment of the treadmill of the present invention includes a base mechanism 1, a power mechanism 2 installed on the base mechanism 1, a running belt set mechanism 3 sleeved on the base mechanism 1, and two idler mechanisms 4 installed on the base mechanism 1.
The base mechanism 1 includes a base 11 extending forward and backward, and two shafts 12 pivotally mounted on the base 11 in a left-right axial direction and spaced forward and backward. The base 11 includes two side frames 111 spaced apart from each other, each side frame 111 having a front end 113 and a rear end 112 opposite to each other. One of the rotating shafts 12 is rotatably pivoted between the two front ends 113 of the side frames 111, and the other is rotatably pivoted between the two rear ends 112 of the side frames 111. Since the base mechanism 1 is of many types and is not the main point of the improvement of the present invention, it will not be described in detail and the embodiment is not limited by the drawings.
The power mechanism 2 includes a motor body 21 mounted between the side frames 111 of the base 11, and a driving belt 22 sleeved on the motor body 21 and the rotating shaft 12 located at the rear end 112 of the side frame 111. The motor body 21 is used for driving the transmission belt 22, so that the transmission belt 22 drives the rotating shaft 12 to rotate.
The running belt assembly mechanism 3 is a flexible structure and includes two spaced caterpillar belt assemblies 31 respectively disposed on the left and right sides of the rotating shaft 12, and a running belt 32.
Referring to fig. 4 to 6, each track set 31 is adjacent to the respective side frame 111, and has a track 311, which is sleeved around the rotating shaft 12 (see fig. 1) to be driven to rotate, and a guide belt 312 integrally connected to the track 311 and having an inner surface 314. The track set 31 is a timing belt. The tread belt 32 is connected to the outer surface 315 of the track 311 and the belt 312 opposite to the inner surface 314, and is adapted to be stepped on by the user. The running belt 32 includes a plurality of running strips 321 connected to each other to form a circular belt, and the type of the running belt 32 is numerous and is not important to the improvement of the present invention, and thus, detailed description is omitted and the implementation is not limited to the drawings.
The idler wheel mechanisms 4 are respectively disposed on the left and right sides of the base 11, and include a bracket 41 mounted on the respective side frame 111 of the base 11, an arm frame 42 pivotally connected to the bracket 41, an idler wheel 43 pivotally connected to the arm frame 42, and an elastic device 44 disposed between the bracket 41 and the arm frame 42.
The bracket 41 includes a body 411 vertically connected to the bottom of the corresponding side frame 111, and a connecting portion 412 extending from the top side of the body 411 along the length direction of the corresponding side frame 111.
The arm support 42 includes a pivot portion 421 pivotally connected to the body portion 411 of the bracket 41, a force receiving portion 422 extending obliquely downward from the pivot portion 421 and pivotally connected to the elastic device 44, and a force applying portion 423 extending obliquely downward from the pivot portion 421 in a direction different from the extending direction of the force receiving portion 422 and pivotally connected to the idle pulley 43, such that the force receiving portion 422 and the force applying portion 423 of the arm support 42 are located on opposite sides of the pivot portion 421 and are in an inverted "V" shape.
The idler pulley 43 is rotatably pivoted to the force application portion 423 of the arm support 42, and includes a connecting rod 431 pivotally connected to the force application portion 423 of the arm support 42, and a wheel body 432 connected to the connecting rod 431. The wheel 432 has a wheel surface 433 contacting the inner surface 314 of the corresponding belt 312, and is capable of pressing against the inner surface 314. The tread 433 is smooth and has no gear teeth.
The elastic device 44 includes a linkage 441 connected to the connecting portion 412 of the stand and pivotally connected to the force-receiving portion 422 of the arm support 42, and a spring 442 sleeved on the linkage 441. The elastic device 44 applies an elastic force (as indicated by an arrow) to the force-receiving portion 422 of the arm 42 and pull the force-receiving portion toward the connecting portion 412 of the bracket 41.
Referring to fig. 1 and 6, when a user uses the treadmill and runs on the running belt set mechanism 3, the power mechanism 2 (see fig. 3) drives the rotating shaft 12 to rotate the running belt set mechanism 3 relative to the base 11, and the idle wheel 43 is also rolling supported on the guiding belt 312. When the running belt set mechanism 3 is loosened after long-term use and cannot be tightly looped around the rotating shaft 12 of the base mechanism 1, the elastic device 44 of the idler wheel mechanism 4 constantly provides an elastic force for pulling the force-receiving portion 422 of the bracket 41, so that the force-applying portion 423 of the arm support 42 swings and sinks downwards with the pivot portion 421 as a central point, and drives the idler wheel 43 to downwards support the inner surface 314 of the guide belt 312, thereby maintaining the predetermined tension of the running belt set mechanism 3 and further tightening the running belt set mechanism 3.
It should be noted that the number of the idler gear mechanisms 4 is not limited to two, and in other variations of the present embodiment, the number of the idler gear mechanisms 4 may be one, and the idler gear mechanisms 4 are disposed at the bottom of one of the side frames 111 of the base 11.
Referring to fig. 7, a second embodiment of the treadmill of the present invention is similar to the first embodiment, except that the second embodiment replaces the elastic device 44 of the first embodiment with an adjuster 45 (see fig. 6). More specifically, the adjuster 45 is a screw and is disposed through the connecting portion 412 of the bracket 41 and the force-receiving portion 422 of the arm support 42, so that the distance between the connecting portion 412 and the force-receiving portion 422 can be adjusted by screwing the adjuster 45. When the distance is reduced, the force-receiving portion 422 swings counterclockwise (as shown by the arrow) about the pivot portion 421 as the center point, so that the force-applying portion 423 sinks downward in the direction indicated by the arrow, and the idle wheel 43 is kept downward to support the running belt set mechanism 3.
Referring to fig. 8, a third embodiment of the treadmill of the present invention is similar to the first embodiment, except that the idler mechanism 4 does not include the arm 42 and the elastic device 44 (see fig. 6); in addition, the bracket 41 of the idler mechanism 4 has two spaced elongated slot surfaces 413. Each slot face 413 defines a through-going aperture 414 extending along the length of the holder 41. The idler 43 of the idler mechanism 4 includes a connecting rod 431 passing through the through hole 414 and capable of moving up and down relative to the side frame 111 of the base 11, and a wheel body 432 connected to the connecting rod 431 and contacting the inner surface 314 of the guide belt 312. The idler gear mechanism 4 further includes an adjuster 46 passing through the top of the bracket 41 and the connecting rod 431. More specifically, the adjuster 46 is a screw. The adjuster 46 adjusts the distance between the idler pulley 43 and the top end of the elongated slot 413, so that the idler pulley 43 can support the running belt set mechanism 3 downward, thereby maintaining a predetermined tension of the running belt set mechanism 3.
In conclusion, the idler mechanism 4 of the treadmill of the present invention can support the running belt set mechanism 3, so that the running belt set mechanism 3 can maintain the predetermined tension and tightly cover the rotating shaft 12 of the base mechanism 1, thereby avoiding the problem that the running belt set mechanism 3 is easily loosened from the base mechanism 1, and avoiding the vertical vibration and shaking caused by the loosening of the running belt set mechanism 3.
The above description is only an example of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still within the scope of the present invention.
Claims (16)
1. A treadmill comprises a base mechanism and a running belt set mechanism, wherein the base mechanism comprises a base and two rotating shafts which are arranged on the base in a pivoted mode at intervals in the front and back direction and can rotate, the running belt set mechanism can be sleeved on the periphery of the rotating shafts of the base mechanism in a flexible mode and is driven by the rotating shafts to rotate relative to the base, the running belt set mechanism comprises an inner surface, and the treadmill is characterized in that: the treadmill also comprises an idler wheel mechanism, wherein the idler wheel mechanism comprises a support arranged on the base of the base mechanism and an idler wheel which is connected with the support and supports against the inner surface of the running belt set mechanism, and the idler wheel is used for maintaining preset tension for the running belt set mechanism.
2. The treadmill of claim 1, wherein: the idler wheel mechanism also comprises an arm support which is pivoted on the support and can swing relative to the support and is used for pivoting the idler wheel.
3. The treadmill of claim 2, wherein: the idler wheel mechanism is also provided with an elastic device arranged between the bracket and the arm support, and the elastic device applies elastic force to the arm support so that the arm support drives the idler wheel to support the running belt set mechanism and the running belt set mechanism maintains the preset tension.
4. The treadmill of claim 3, wherein: the arm support of the idler mechanism comprises a pivoting part pivoted to the body part of the support, a stress part extending from the pivoting part and pivoted to the elastic device, and a force application part extending from the pivoting part and pivoted to the idler, wherein the stress part of the arm support is pulled towards the connecting part of the support by the elasticity of the elastic device, so that the force application part of the arm support swings by taking the pivoting part as a central point to drive the idler to downwards support against the inner surface of the running belt set mechanism.
5. The treadmill of claim 4, wherein: the arm support of the idler wheel mechanism is in an inverted V shape, and the stress part and the force application part of the arm support are positioned on two opposite sides of the pivot joint part.
6. The treadmill of claim 1, wherein: the idler mechanism further comprises an adjuster, the support of the idler mechanism comprises a body part connected to the base and a connecting part extending from the body part and connected to the adjuster, the arm support of the idler mechanism comprises a pivoting part pivoted to the body part of the support, a stress part extending from the pivoting part and connected to the adjuster, and a force application part extending from the pivoting part and pivoted to the idler, and the adjuster is used for adjusting the distance between the connecting part of the support and the stress part of the arm support, so that the force application part of the arm support swings with the pivoting part as a central point, and is used for maintaining the idler downwards supporting against the running belt set mechanism.
7. The treadmill of claim 1, wherein: the support of the idler wheel mechanism is provided with a long groove surface for defining a through hole, the idler wheel of the idler wheel mechanism can movably penetrate through the through hole, the idler wheel mechanism also comprises an adjuster penetrating through the support and the idler wheel, and the adjuster is used for adjusting the distance between the idler wheel and one end of the long groove surface and maintaining the idler wheel to downwards support the running belt set mechanism.
8. The treadmill of claim 1, wherein: the base of the base mechanism comprises two side frames which are arranged at intervals and used for the pivot of the rotating shaft, the treadmill comprises two idler wheel mechanisms, and the bracket of each idler wheel mechanism is arranged on the respective side frame.
9. The treadmill of claim 1, wherein: the running belt set mechanism comprises a track set and a running belt, wherein the track set is provided with a track which can be rotatably sleeved on the periphery of the rotating shaft of the base mechanism in a surrounding manner, and a guide belt which is connected with the track and is provided with an inner surface, and the running belt is laid on the outer surfaces of the track and the guide belt and is suitable for being trampled by the user.
10. The utility model provides an idler mechanism is applicable to and installs on the treadmill, and this treadmill contains base mechanism to reach and can rotate the race belt group mechanism of ground ring cover on this base mechanism, and this race belt group mechanism includes internal surface, its characterized in that: the idler wheel mechanism comprises a support and an idler wheel, the support is suitable for being arranged on the base mechanism, the idler wheel is connected to the support and is suitable for supporting the inner surface of the running belt set mechanism, and therefore the running belt set mechanism can maintain preset tension.
11. The idler mechanism of claim 10, wherein: the idler wheel mechanism also comprises an arm support which is pivoted on the support and can swing relative to the support and is used for pivoting the idler wheel.
12. The idler mechanism of claim 11, wherein: the idler wheel mechanism also comprises an elastic device arranged between the support and the arm support, and the elastic device applies elastic force to the arm support so that the arm support drives the idler wheel to support the running belt set mechanism and the running belt set mechanism maintains the preset tension.
13. The idler mechanism of claim 12, wherein: the arm support comprises a pivoting part pivoted to the body part of the arm support, a stress part extending from the pivoting part and pivoted to the elastic device and spaced from the connecting part, and a force application part extending from the pivoting part and pivoted to the idler, wherein the stress part of the arm support is pulled towards the connecting part of the arm support by the elasticity of the elastic device, so that the force application part of the arm support swings by taking the pivoting part as a central point to drive the idler to downwards support against the inner surface of the running belt set mechanism.
14. The idler mechanism of claim 13, wherein: the arm frame is in an inverted V shape, and the force bearing part and the force applying part of the arm frame are positioned on two opposite sides of the pivot joint part.
15. The idler mechanism of claim 10, wherein: the idler mechanism also comprises an adjuster, the support comprises a body part suitable for being connected to the base mechanism, a connecting part extending from the body part and connected to the adjuster, the arm support comprises a pivoting part pivoted to the body part of the support, a stress part extending from the pivoting part and connected to the adjuster, and a force application part extending from the pivoting part and pivoted to the idler, and the adjuster is used for adjusting the distance between the connecting part of the support and the stress part of the arm support, so that the force application part of the arm support swings with the pivoting part as a central point and is used for maintaining the idler to downwards support the running belt set mechanism.
16. The idler mechanism of claim 10, wherein: the support is provided with a long groove surface for defining a through hole, the idler wheel can be movably arranged in the through hole in a penetrating mode, the idler wheel mechanism further comprises an adjuster arranged in the support and the idler wheel in a penetrating mode, the adjuster is used for adjusting the distance between the idler wheel and one end of the long groove surface, and the adjuster is suitable for maintaining the idler wheel to downwards support the running belt set mechanism.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920798197.6U CN210057267U (en) | 2019-05-30 | 2019-05-30 | Treadmill and idler mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920798197.6U CN210057267U (en) | 2019-05-30 | 2019-05-30 | Treadmill and idler mechanism |
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CN210057267U true CN210057267U (en) | 2020-02-14 |
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Application Number | Title | Priority Date | Filing Date |
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CN201920798197.6U Expired - Fee Related CN210057267U (en) | 2019-05-30 | 2019-05-30 | Treadmill and idler mechanism |
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CN (1) | CN210057267U (en) |
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2019
- 2019-05-30 CN CN201920798197.6U patent/CN210057267U/en not_active Expired - Fee Related
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200214 |
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