CN204623743U - The adjustable crank of a kind of bicycle - Google Patents
The adjustable crank of a kind of bicycle Download PDFInfo
- Publication number
- CN204623743U CN204623743U CN201520141993.4U CN201520141993U CN204623743U CN 204623743 U CN204623743 U CN 204623743U CN 201520141993 U CN201520141993 U CN 201520141993U CN 204623743 U CN204623743 U CN 204623743U
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- CN
- China
- Prior art keywords
- base portion
- axis
- pedal
- matched
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of bicycle adjustable crank, belongs to technical field of bicycles.The adjustable crank of described bicycle, comprises axis base portion, pedal base portion and regulating part.Described axis base portion has some adjustment apertures matched with regulating part along its length, pedal base portion has along its length the lower adjustment hole matched with regulating part.Described axis mounting hole is arranged on axis base portion, and pedal mounting hole is arranged on pedal base portion; Distance between axis mounting hole and pedal mounting hole is adjustable.The adjustable crank of the bicycle that the utility model provides, split type setting, according to the length of the demand of user adjustment crank, can meet the individual demand of user, heightens the conversion ratio of user's force, makes to ride laborsaving, comfortable.
Description
Technical field
The utility model relates to technical field of bicycles, particularly relates to the adjustable crank of a kind of bicycle.
Background technology
Bicycle is the instrument of a kind of common traffic, amusement and recreation, body-building.When using bicycle, user drives crank, chain drum, blockchain and rear wheel to rotate by stepping on to ride successively, realizes moving ahead of bicycle.In order to the individual demand of satisfied different bicyclist, existing bicycle arranges multiple control apparatus.But this adjustment focuses mostly on greatly, the height of saddle, angle, distance etc. with handlebar tube, less to the adjustment of crank.
When riding, the length of crank determines the degree of crook of tricycle leg in operational process.Crank moves to vertex, and the degree of crook of people's leg is maximum.Existing crank length is fixed, and can not meet the individual demand of user.And use the crank of same specification easily to make the force of bicyclist not transform well, cause effort, ride uncomfortable.
Summary of the invention
Problem to be solved in the utility model is that in prior art, the length of crank is fixed, and can not meet the individual demand of user, easily cause ride uncomfortable.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: provide a kind of bicycle adjustable crank.The adjustable crank of described bicycle, it has the axis mounting hole matched with axis and the pedal mounting hole matched with crank shaft, comprises axis base portion, pedal base portion and regulating part.Axis base portion has along its length some adjustment apertures matched with regulating part, pedal base portion has along its length the lower adjustment hole matched with regulating part.Described axis mounting hole is arranged on axis base portion, and pedal mounting hole is arranged on pedal base portion.Distance between axis mounting hole and pedal mounting hole is adjustable.
Described axis base portion has regulating tank towards one end of pedal base portion, and pedal base portion is provided with towards one end of axis base portion the adjustment boss matched with regulating tank, and lower adjustment hole is arranged on the sidewall of adjustment boss.
Sidewall adjacent with having the sidewall of lower adjustment hole on described adjustment boss has groove, and the corresponding sidewall of regulating tank is provided with the chimb with fit depressions.
Described regulating part comprises adjusting shaft and setting nut;
One end of adjusting shaft is fixedly connected with adjustment cap, and the other end is provided with the outside thread matched with setting nut;
The diameter of described adjustment cap is greater than the diameter of adjusting shaft.
Also comprise and be arranged on the brace panel that axis base portion and pin stare at base portion the same side, it has along its length some reinforced holes matched with regulating part; Distance between described reinforced hole is equal with the distance between lower adjustment hole.
Also comprise and be arranged on the brace panel that axis base portion and pin stare at base portion the same side, it has along its length some reinforced holes matched with regulating part; Distance between described reinforced hole is equal with the distance between lower adjustment hole.
Described reinforced hole has holding tank away from one end of pedal base portion and/or axis base portion, the axes coincide of its axis and reinforced hole, and its diameter is not less than the diameter of adjustment cap.
Described brace panel and pedal base portion removably connect.
Also comprise connecting element, described brace panel has the fastener hole matched with connecting element near one end of pedal base portion, pedal base portion has the fixed orifice matched with connecting element away from one end of axis base portion.
The advantage that the utility model has and good effect are:
(1) the adjustable crank of bicycle that provides of the utility model, split type setting, according to the length of the demand adjustment crank of user, can meet the individual demand of user, heightens the conversion ratio of user's force, makes to ride laborsaving, comfortable.
(2) in the utility model, axis base portion and pedal base portion have the adjustment hole matched with regulating part, regulated the length of crank by the relative position of adjustment hole and axis base portion and pedal base portion, regulate simple and convenient, workable.
(3) in the adjustable crank of this bicycle, be also provided with brace panel, be arranged on the both sides of axis base portion and pedal base portion, further the two connection fastening, reduce the stressed of regulating part, strengthen the service life of whole crank.
The utility model structure is simple, and the length of crank can regulate according to user, and regulative mode is simple and efficient, reduces and rides to the damage of human body, improves the comfort level of riding.
Accompanying drawing explanation
Fig. 1 is using state schematic diagram of the present utility model.
Fig. 2 is another using state schematic diagram of the present utility model.
Fig. 3 is decomposing schematic representation of the present utility model.
Fig. 4 is the structural representation of axis base portion of the present utility model,
Fig. 5 is the structural representation of pedal base portion in the utility model.
In figure: 100-crank, 200-axis, 300-chain drum, 4-axis base portion, 401-axis mounting hole, 402-adjustment apertures, 403-regulating tank, 404-chimb, 5-pedal base portion, 501-pedal mounting hole, adjustment hole under 502-, 503-regulates boss, 504-groove, 505-fixed orifice, 6-regulating part, 601-adjusting shaft, 602-adjustment cap, 603-setting nut, 7-brace panel, 701-reinforced hole, 702-holding tank, 703-fastener hole, 8-connecting element.
Detailed description of the invention
In order to better understand the utility model, below in conjunction with specific embodiments and the drawings, the utility model is conducted further description.
As Figure 1-Figure 5, the adjustable crank 100 of a kind of bicycle, is fixedly connected with chain drum 300 with axis 200, comprises axis base portion 4, pedal base portion 5, regulating part 6, brace panel 7 and connecting element 8.
As shown in Figure 4, axis base portion 4 has the axis mounting hole 401 matched with axis 200.Side adjacent with the side having axis mounting hole 401 on axis base portion 4 has some adjustment apertures 402 matched with regulating part 6.Adjustment apertures 402 distributes along the length direction of axis base portion 4, the axis perpendicular of its axis and axis mounting hole 401.Axis base portion 4 has regulating tank 403 near one end (lower end in Fig. 1 and Fig. 2) of pedal base portion 5, and the interior side of regulating tank 403 is provided with chimb 404.
As shown in Figure 5, pedal base portion 5 has the pedal mounting hole 501 matched with pedal, for fixing crank shaft.The side that pedal base portion 5 is adjacent with the side having axis mounting hole 401 has some lower adjustment holes 502 matched with regulating part 6.Lower adjustment hole 502 distributes along the length direction of pedal base portion 5, the axis perpendicular of its axis and pedal mounting hole 501.Pedal base portion 5 is provided with towards one end of axis base portion 4 the adjustment boss 503 matched with regulating tank 403.The length direction phase axis base portion 4 of boss 503 from one end of pedal base portion 5 along pedal base portion 5 is regulated to extend.The sidewall regulating the sidewall that boss 503 has chimb 404 with regulating tank 403 corresponding has groove 504.The cooperation of regulating tank 403 and adjustment boss 503 facilitates the adjustment of the spacing of pedal base portion 5 and axis base portion 4, and the cooperation of chimb 404 and groove 504 makes adjustment more convenient, further the connection of firm pedal base portion 5 and axis base portion 4.
As shown in Figure 3, regulating part 6 comprises adjusting shaft 601 and setting nut 603.One end of adjusting shaft 601 is fixedly connected with adjustment cap 602, and the diameter that the other end is provided with the outside thread adjustment cap 602 matched with setting nut 603 is greater than the diameter of adjusting shaft 601.Regulating part 6 also can be the part of other its common secured adjusted effects such as bearing pin.
Brace panel 7 is arranged on axis base portion 4 and pin stares at base portion 5 the same side.As shown in Figure 3, brace panel 7 is two, is separately positioned on the side that axis base portion 4 has the side of adjustment apertures 402.Brace panel 7 and pedal base portion 5 removably connect.As a kind of embodiment, brace panel 7 is stared at base portion 5 by connecting element 8 and pin and is removably connected.Connecting element 5 is bolt, and brace panel 7 has the fastener hole 703 matched with connecting element 8 near one end of pedal base portion 5, pedal base portion 5 has the fixed orifice 505 matched with connecting element 8 away from one end of axis base portion 4.It has some reinforced holes 701 matched with regulating part 6 to brace panel 7 along its length.Distance between reinforced hole 701 is equal with the distance between lower adjustment hole 502.Reinforced hole 701 has holding tank 702 away from one end of pedal base portion 5 and/or axis base portion 4, the axes coincide of its axis and reinforced hole 701, and its diameter is not less than the diameter of adjustment cap 602 and/or the overall diameter of setting nut 603.After holding tank 702 makes regulating part 6 fix, adjustment cap 602 and setting nut 603 arrange wherein, and firm regulating part 6, prevents it to be subject to environmental damage.
As depicted in figs. 1 and 2, during use, by regulating tank 403 and the cooperation regulating boss 503, chimb 404 and groove 504, adjust axis mounting hole 401 and the distance of pedal installation through between 501 axis, thus regulate the length of crank 100, after reaching correct position, regulating part axle 601, successively through after brace panel 7, adjustment apertures 402, lower adjustment hole 502, another brace panel 7, is conditioned nut 603 and fixes.By connecting element 8, brace panel 7 is fixedly connected with pedal base portion 5.
Above embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model scope change and improve, and all should still belong within this patent covering scope.
Claims (9)
1. the adjustable crank of bicycle, it has the axis mounting hole matched with axis and the pedal mounting hole matched with crank shaft, it is characterized in that: comprise axis base portion, pedal base portion and regulating part;
Axis base portion has along its length some adjustment apertures matched with regulating part, pedal base portion has along its length the lower adjustment hole matched with regulating part;
Described axis mounting hole is arranged on axis base portion, and pedal mounting hole is arranged on pedal base portion; Distance between axis mounting hole and pedal mounting hole is adjustable.
2. the adjustable crank of bicycle according to claim 1, it is characterized in that: described axis base portion has regulating tank towards one end of pedal base portion, pedal base portion is provided with towards one end of axis base portion the adjustment boss matched with regulating tank, and lower adjustment hole is arranged on the sidewall of adjustment boss.
3. the adjustable crank of bicycle according to claim 2, is characterized in that: sidewall adjacent with having the sidewall of lower adjustment hole on described adjustment boss has groove, and the corresponding sidewall of regulating tank is provided with the chimb with fit depressions.
4., according to the arbitrary described adjustable crank of bicycle of claim 1-3, it is characterized in that: described regulating part comprises adjusting shaft and setting nut;
One end of adjusting shaft is fixedly connected with adjustment cap, and the other end is provided with the outside thread matched with setting nut;
The diameter of described adjustment cap is greater than the diameter of adjusting shaft.
5. the adjustable crank of bicycle according to claim 1, is characterized in that: also comprise and be arranged on the brace panel that axis base portion and pin stare at base portion the same side, it has along its length some reinforced holes matched with regulating part; Distance between described reinforced hole is equal with the distance between lower adjustment hole.
6. the adjustable crank of bicycle according to claim 4, is characterized in that: also comprise and be arranged on the brace panel that axis base portion and pin stare at base portion the same side, it has along its length some reinforced holes matched with regulating part; Distance between described reinforced hole is equal with the distance between lower adjustment hole.
7. the adjustable crank of bicycle according to claim 6, is characterized in that: described reinforced hole has holding tank away from one end of pedal base portion and/or axis base portion, the axes coincide of its axis and reinforced hole, and its diameter is not less than the diameter of adjustment cap.
8., according to the arbitrary described adjustable crank of bicycle of claim 5-7, it is characterized in that: described brace panel and pedal base portion removably connect.
9. the adjustable crank of bicycle according to claim 8, it is characterized in that: also comprise connecting element, described brace panel has the fastener hole matched with connecting element near one end of pedal base portion, pedal base portion has the fixed orifice matched with connecting element away from one end of axis base portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520141993.4U CN204623743U (en) | 2015-03-12 | 2015-03-12 | The adjustable crank of a kind of bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520141993.4U CN204623743U (en) | 2015-03-12 | 2015-03-12 | The adjustable crank of a kind of bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204623743U true CN204623743U (en) | 2015-09-09 |
Family
ID=54042797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520141993.4U Expired - Fee Related CN204623743U (en) | 2015-03-12 | 2015-03-12 | The adjustable crank of a kind of bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204623743U (en) |
-
2015
- 2015-03-12 CN CN201520141993.4U patent/CN204623743U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 Termination date: 20160312 |