CN201127818Y - Double-dead pulley structure of elliptical trainer - Google Patents
Double-dead pulley structure of elliptical trainer Download PDFInfo
- Publication number
- CN201127818Y CN201127818Y CNU2007201941309U CN200720194130U CN201127818Y CN 201127818 Y CN201127818 Y CN 201127818Y CN U2007201941309 U CNU2007201941309 U CN U2007201941309U CN 200720194130 U CN200720194130 U CN 200720194130U CN 201127818 Y CN201127818 Y CN 201127818Y
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Abstract
The utility model provides a cross trainer double idler wheel structure, in particular relates to a structure which can tighten a consequent transmission belt and a converse transmission belt to cause the belts not to slide easily. The structure can prop an upper idler wheel and a lower idler wheel by operating an upper stop double-screw bolt and a lower stop double-screw bolt to prevent a belt pulley when rotates positively and reversely from causing the resilience quantity on the idler wheel group, so as to cause the belts not to slide easily.
Description
Technical field
The utility model is a kind of motion machine, is meant a kind of elliptical exercise machine especially, and is relevant with elliptical machine dual-idle gear structure.
Background technology
Known elliptical machine has a base basically, being provided with in base can be for the big belt pulley of crank axle drive, utilize a driving belt to link big belt pulley and small belt pulley, this small belt pulley is that concentric links weight wheel basically, the mode that the user tramples foot-driven lever with both feet makes crank axle drive big belt pulley and is rotated motion.The unidirectional function of trampling motion that this kind elliptical machine not only provides the user to trample forward, that is to say that only to allow big belt pulley carry out one unidirectional, for example be rotatablely moving clockwise, another function, if the user is with the motion of trampling of the other direction trampled backward, then big belt pulley certainly will so change over anti-clockwise rotatablely moving.Only this kind belt pulley that can suitable, reversely be rotated motion causes the skidding of driving belt easily when changing direction of rotation, makes the sporter produce the motion phenomenon of pause and transition in rhythm or melody.The design people promptly is because known elliptical machine is being carried out suitable, the reverse disappearance that causes the driving belt skidding when moving easily of trampling, actively researched and developed, accumulating design experiences and the effort of being engaged in sports equipment for many years through the designer, is to develop the utility model eventually.
The utility model content
Main purpose of the present utility model provides a kind of elliptical machine dual-idle gear structure, can prevent that belt pulley from causing the phenomenon of resilience to the idle pulley group when forward and backward is changed, make belt be difficult for skidding.
For this reason, the utility model is adopted following scheme and is reached above-mentioned purpose: a kind of elliptical machine dual-idle gear structure, has a base, this base is provided with two mullions of being separated by, and mullion is provided with a pivot, and this pivot then provides the pivoting point that is connected with crank, wherein an end of the pivot of a mullion is installed with a big belt pulley, the both sides of another mullion simultaneously with a pivot fixedly small belt pulley and weight take turns, driving belt is attached on aforementioned big belt pulley and the small belt pulley, it is characterized in that:
Base is provided with, following idle pulley group, this upper idler group is identical with following idle pulley group structure, on, following idle pulley group includes: on, under control double-screw bolt, at one end be provided with, on the following idle pulley, lower platen, spring, protruding seat, shock-resistant element, the compacting seat, on aforementioned, lower platen is located at mullion with a pivot work, on being somebody's turn to do, following idle pulley is butted on the outer surface of aforementioned driving belt simultaneously, on, controlling double-screw bolt down is arranged on the spacer set on the mullion, one protruding seat is planted on aforementioned, on the lower platen, the bottom of one spring can be sheathed on the periphery of aforementioned protruding seat, one shock-resistant element is placed in spring inner and is butted on the aforementioned protruding seat, one end of one compacting seat also is to be placed in spring inner and to be butted on the shock-resistant element, the other end of this compacting seat then is the outside that is emerging in spring end, aforementioned on, controlling end on the side that double-screw bolt is positioned at spacer down then presses on the compacting seat and goes up a set hole, footpath; By this kind structure, be enough to prevent the springback capacity that driving belt is caused for upper and lower idle pulley group when suitable, reverse transmission, make driving belt be difficult for skidding.
This shock-resistant element is the element of chemical rubber or plastics.
Adopt such scheme, the utlity model has following characteristics:
1, upper and lower idle pulley group of the present utility model not only can allow driving belt be in the user mode that normally is tauted, and when big belt pulley changes the direction of rotation of motion, also can not produce the phenomenon of skidding.
2, the utility model is adjusted the decrement of spring by adjusting the control double-screw bolt, can allow upper and lower idle pulley tightly push down driving belt, and then upper and lower idle pulley is produced resilience when preventing that belt pulley from carrying out suitable, backwards rotation, makes belt be difficult for skidding.
3, the utility model in addition by shock-resistant element between between compacting seat and the protruding seat, have more and eliminate the reaction force that upper and lower pressing plate was produced because of the driving belt application of force stage, that is more be difficult for the phenomenon that allows the driving belt generation skid.
Description of drawings
Fig. 1 is a side-looking structure chart of the present utility model;
Fig. 2 is the structure enlarged drawing of upper idler group of the present utility model.
The main element symbol description
1 base, 11,12 mullions, 13,14,15,16 pivots
2 big belt pulleys, 3 small belt pulleys, 4 driving belts
51 top boards, 52 upper idlers, 61 lower platens
8 times control of control double-screw bolt double-screw bolt on 62 times idle pulleys 7
70,80 spacers, 71,81 springs, 72,82 protruding seats
73,83 shock- resistant element 74,84 compacting seats 9 weight wheels
The specific embodiment
Relevant concrete structure of the present utility model, action and effect thereof, assistant with accompanying drawing detailed serve as explanation as after.
Because elliptical machine is a kind of general sports equipment that communicates, so the design people only gives the icon expression with regard to the patent characteristic of the utility model institute demand.Please refer to Fig. 1, Fig. 2, the utility model elliptical machine still has a base 1 basically, and this base 1 is provided with two mullions of being separated by 11,12, is provided with a pivot 13 in mullion 11, and 13 on this pivot provides the pivoting point that is connected with crank.Simultaneously, an end of pivot 13 is installed with a big belt pulley 2.Fixedly small belt pulley 3 and weight take turns 9 with a pivot 14 simultaneously for the both sides of mullion 12.4 of driving belts are to be attached on aforementioned big belt pulley 2 and the small belt pulley 3.
The utility model principal character promptly is to be provided with upper and lower idle pulley group, and this upper idler group is identical with following idle pulley group structure.Upper and lower idle pulley group respectively includes: upper and lower control double- screw bolt 7,8, at one end be provided with the upper and lower pressing plate 51,61, spring 71,81 of upper and lower idle pulley 52,62, protruding seat 72,82, shock- resistant element 73,83, compacting seat 74,84.Aforementioned upper and lower pressing plate 51,61 is to live with a pivot 15,16 in being located at mullion 12, and this upper and lower idle pulley 52,62 is butted on the outer surface of aforementioned driving belt 4 simultaneously.Upper and lower control double- screw bolt 7,8 is to be arranged on the spacer set on the mullion 12 70,80.One protruding seat 72,82 is planted on aforementioned upper and lower pressing plate 51,61; The bottom of one spring 71,81 can be sheathed on the periphery of aforementioned protruding seat 72,82; One shock- resistant element 73,83 is placed in spring 71,81 inside and is butted on the aforementioned protruding seat 72,82; One end of one compacting seat 74,84 also is that to be placed in spring 71,81 inner and be butted on the shock- resistant element 73,83, and the other end of this compacting 74,84 then is the outside that is emerging in spring 71,81 ends; The end that aforementioned upper and lower control double- screw bolt 7,8 is positioned on the side of spacer 70,80 then can press on set hole, footpath on the compacting seat 74,84.
When big belt pulley 2 rotated with counterclockwise, the driving belt 4 that is positioned at pivot 13,14 tops can produce the phenomenon of tightening, and the driving belt 4 that is positioned at pivot 13,14 belows then can produce lax phenomenon.Otherwise, when big belt pulley 2 when rotating clockwise, the driving belt 4 that is positioned at pivot 13,14 belows can produce the phenomenon of tightening, the driving belt 4 that is positioned at pivot 13,14 tops then can produce lax phenomenon.The utility model promptly is by upper and lower idle pulley group, not only can allow driving belt 4 be in the user mode that normally is tauted, and when allowing big belt pulley 2 change the direction of rotation of motion, also can not produce the phenomenon of skidding.Explicit word it, by upper and lower control double- screw bolt 7,8 the tight fully support of upper and lower pressing plate 51,61 is located, make upper and lower pressing plate 51,61 can not produce the phenomenon that bullet moves back, just be not easy to allow compressing of 52,62 of driving belt 4 and upper and lower idle pulleys produce the phenomenon of skidding because of the active force that driving belt 4 is applied.
Driving belt 4 has the lax phenomenon of elastic fatigue during use, in order to overcome this kind phenomenon and to allow upper and lower idle pulley 52,62 push against driving belt 4 more accurately, the user can adjust the decrement of spring 71,81 by adjusting control double- screw bolt 7,8, can allow upper and lower idle pulley 52,62 tightly push down driving belt 4, and then when preventing that belt pulley from carrying out suitable, backwards rotation for upper and lower idle pulley 52,62 springback capacities that produced, make belt be difficult for skidding.The utility model in addition by shock- resistant element 73,83 between compacting seat 74,84 is with protruding 72,82, have more and eliminate the reaction force that upper and lower pressing plate 51,61 was produced because of 4 application of force stages of driving belt, that is more be difficult for allowing driving belt 4 produce the phenomenon of skidding.Certainly, this shock- resistant element 73,83 can be the element of chemical rubber or plastics.
Overall view the utility model structurally not only differs from the structure of known product, and its novelty of tool and practicality are to propose novel patent application.
Claims (2)
1, a kind of elliptical machine dual-idle gear structure, this elliptical machine still has a base basically, this base is provided with two mullions of being separated by, be provided with a pivot in mullion, one end of one mullion pivot is installed with a big belt pulley, the both sides of another mullion simultaneously with a pivot fixedly small belt pulley and weight take turns, driving belt then is to be attached on aforementioned big belt pulley and the small belt pulley, it is characterized in that:
Base is provided with, following idle pulley group, this upper idler group is identical with following idle pulley group structure, on, following idle pulley group includes: on, under control double-screw bolt, at one end be provided with, on the following idle pulley, lower platen, spring, protruding seat, shock-resistant element, the compacting seat, on aforementioned, lower platen system is located at mullion with a pivot work, on being somebody's turn to do, following idle pulley is butted on the outer surface of aforementioned driving belt simultaneously, on, controlling double-screw bolt system down is arranged on the spacer set on the mullion, one protruding seat is planted on aforementioned, on the lower platen, the bottom of one spring can be sheathed on the periphery of aforementioned protruding seat, one shock-resistant element is placed in spring inner and is to be butted on the aforementioned protruding seat, one end of one compacting seat also is to be placed in spring inner and to be butted on the shock-resistant element, the other end of this compacting seat then is the outside that is emerging in spring end, aforementioned on, controlling end on the side that double-screw bolt is positioned at spacer down then can press on the compacting seat and go up a set hole, footpath.
2, elliptical machine dual-idle gear structure as claimed in claim 1, it is characterized in that: this shock-resistant element is the element of chemical rubber or plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201941309U CN201127818Y (en) | 2007-11-19 | 2007-11-19 | Double-dead pulley structure of elliptical trainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201941309U CN201127818Y (en) | 2007-11-19 | 2007-11-19 | Double-dead pulley structure of elliptical trainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201127818Y true CN201127818Y (en) | 2008-10-08 |
Family
ID=40015643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201941309U Expired - Fee Related CN201127818Y (en) | 2007-11-19 | 2007-11-19 | Double-dead pulley structure of elliptical trainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201127818Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967451A (en) * | 2011-09-24 | 2013-03-13 | 奇瑞汽车股份有限公司 | Durability test device for safety belt retractor |
| CN103111042A (en) * | 2013-01-15 | 2013-05-22 | 浙江利佳运动器材有限公司 | Shock exercise bicycle |
-
2007
- 2007-11-19 CN CNU2007201941309U patent/CN201127818Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967451A (en) * | 2011-09-24 | 2013-03-13 | 奇瑞汽车股份有限公司 | Durability test device for safety belt retractor |
| CN102967451B (en) * | 2011-09-24 | 2015-04-29 | 奇瑞汽车股份有限公司 | Durability test device for safety belt retractor |
| CN103111042A (en) * | 2013-01-15 | 2013-05-22 | 浙江利佳运动器材有限公司 | Shock exercise bicycle |
| CN103111042B (en) * | 2013-01-15 | 2015-08-19 | 浙江利佳运动器材有限公司 | A kind of Vibrated body-building car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081008 Termination date: 20111119 |