CN201439372U - Pedal crank coupling structure - Google Patents
Pedal crank coupling structure Download PDFInfo
- Publication number
- CN201439372U CN201439372U CN2009201586217U CN200920158621U CN201439372U CN 201439372 U CN201439372 U CN 201439372U CN 2009201586217 U CN2009201586217 U CN 2009201586217U CN 200920158621 U CN200920158621 U CN 200920158621U CN 201439372 U CN201439372 U CN 201439372U
- Authority
- CN
- China
- Prior art keywords
- ring seat
- clasp
- accommodation space
- chock
- wall
- 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 - Lifetime
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- Steering Devices For Bicycles And Motorcycles (AREA)
Abstract
A pedal crank coupling structure is mainly characterized in that a ring seat is connected with a crank and is combined with two retaining rings which are embedded and clamped in a connecting shaft of a pedal respectively through a wedge, the two wedges can be separated from the connecting shaft by pressing the two retaining rings from outside, and the pedal can be assembled on the crank by the user conveniently.
Description
Technical field
The utility model relates to the structure with the combination of bicycle pedal and crank, and this structure has is convenient to the function assembling and dismantle, can reduce the man-hour that is assembled in crank in the bicycle manufacturing line about pedal, and can change stretcher voluntarily for the user of a bicycle.
Background technology
A kind of pedal of bicycle and known techniques of crank combination of making as shown in Figure 1, comprises the drive-connecting shaft 21 that a pedal spindle 11, that combines with stretcher 10 combines with crank 20.This stretcher 10 can rotate freely around this pedal spindle 11, and an end of this drive-connecting shaft 21 has threaded shaft 22, combines with the tapped bore 23 of this crank 20.The other end of this drive-connecting shaft 21 has the hole 24 of this pedal spindle 11 of reception, the structural walls that constitutes this hole 24 has the ball 25 of a plurality of annular arrangements, this ball 25 is combined in these drive-connecting shaft 21 exterior control loops 26 by one and controls, and can be synchronous do to the axis direction of this drive-connecting shaft 21 or moving back and forth in its position in contrast to axis direction.The mobile some of this ball 25 that makes to axis direction is protruding in this hole 24, further to be fastened on the ball groove 12 of this pedal spindle 11, pedal spindle 11 is connected in this drive-connecting shaft 21.Move to the reversing sense in axle center and to make this ball 25 not protrude from this hole 24, and remove snap-fit relationship with this ball groove 12,11 of this pedal spindle can debouch in this drive-connecting shaft 21.
The structure of above-mentioned drive-connecting shaft 21 has related to small spring, groove, clasp, setting element etc., and this makes the complex structureization of this drive-connecting shaft 21, and because each element is small, assembling and location be difficulty more.Yet, a drive-connecting shaft 21 with structure flaw, will make in the bicycle manufacturing line increases about man-hour and the defect rate that stretcher is combined in crank.And, if stretcher has been combined in the blocking problem that control loop 26 and ball 25 just take place behind the crank, will make pedal spindle 11 stuck in this drive-connecting shaft 21, so that stretcher can't break away from crank, stretcher promptly is difficult to be disassembled the disengaging crank.
Summary of the invention
Main purpose of the present utility model is, a kind of pedal crank shaft access node structure is provided, and its characteristics are simplified for structure, and are convenient and simple for operation, laborsaving, quick, exempt to use instrument, have and be convenient to the function assembling and dismantle, can organize voluntarily for the user of a bicycle and unload stretcher.Especially aspect folded bicycle, after the pedal dismounting, can solve the problem that pedal takes up room.
For achieving the above object, a kind of pedal crank shaft access node of the utility model structure is characterized in that, comprises:
One ring seat has an axis hole that axially runs through the center of being formed at, and one radially run through and be formed at the in-to-in accommodation space, and this axis hole and this accommodation space communicate; The outer wall of this ring seat has the open communication of two 180 degree of being separated by in this accommodation space;
Two clasps, each clasp all has body in the form of a ring, and the pushing and pressing part and the shaft-like chock that are divided into these body two ends; This two clasp is the accommodation space that is arranged at this ring seat of crossover up and down, and wherein the pushing and pressing part correspondence of a clasp the chock of another clasp;
One drive-connecting shaft has a threaded portion and a sleeve part that same axle center is connected, and this sleeve part is worn pivot in the axis hole and accommodation space of this ring seat; The sleeve part of this drive-connecting shaft has one first slotted hole and one second slotted hole of establishing along circumference, this two slotted holes center-point be separated by 180 the degree;
Two briquettings are located at respectively in two openings of this ring seat, and its inboard has one first stratum, receives the pushing and pressing part of this two clasp;
One semi-circular spring is located at this ring seat one end, and its two springs pin passes this briquetting respectively and the default spring of this clasp is worn the hole;
One capping, close-fitting are incorporated into this ring seat end, in order to locate this spring.
Wherein, this ring seat has the both sides that a pair of straight inwall is positioned at this accommodation space, and the body of this each clasp has two and is parallel straight outer wall, and this straight outer wall contacts the straight inwall of this ring seat.
Wherein, the intersection of this chock and this body has stratum's complications, so that this chock and this pushing and pressing part and the non-same level height of body.
Wherein, the outside of this two briquetting be one with the corresponding radian outer wall of radian of this ring seat outer wall.
Wherein, the inboard of this two briquetting has one second stratum and a three-layered, and this second stratum is relative with this chock.
In other words, a kind of pedal crank shaft access node structure comprises: a ring seat, its inside assembled two can parallel motion clasp, the wall of this ring seat is organized separately and is adorned two briquettings to control moving of this two clasp; A drive-connecting shaft is worn the center of pivot in this two clasp, and its wall is provided with two slotted holes at relative position, and this two clasp is that each blocks in this two slotted hole with a chock when quiescence; User's application of force is pushed these briquetting may command two clasps and is relatively moved, and this chock can break away from this two slotted hole.Therefore the center of this drive-connecting shaft can for the adapter shaft of a pedal in conjunction with or break away from, and discharge the external force of this briquetting, then chock snaps in this two slotted hole and embeds in the groove of this adapter shaft, and pedal and this drive-connecting shaft are fixed.
The utility model beneficial effect: the utlity model has structure and simplify, convenient and simple for operation, laborsaving, quick, exempt from use instrument, have and be convenient to the function assembling and dismantle, can supply the user of a bicycle organize voluntarily and unload stretcher.Especially aspect folded bicycle, after the pedal dismounting, can solve the problem that pedal takes up room.
Description of drawings
Fig. 1 is assembled in the prior art of crank about stretcher.
Fig. 2 is the be coupling three-dimensional exploded view of structure of the utility model.
Fig. 3 the utility model be coupling the combination outward appearance and and the three-dimensional exploded view of pedal, crank of structure.
The be coupling longitudinal diagram of structure of Fig. 4 the utility model.
Fig. 5 the utility model be coupling structure the elevation profile and the action scheme drawing.
The be coupling drawing in side sectional elevation of structure of Fig. 6 the utility model.
Fig. 7 the utility model be coupling structure the bench section and the action scheme drawing.
The specific embodiment
For ease of explanation the utility model represented central idea in foregoing invention content one hurdle, express with specific embodiment now.Various different objects system is described in the ratio that is suitable for illustrating, size, deflection or displacement among the embodiment, but not is drawn in the ratio of actual components, close chat earlier bright.And in the following description, similar elements is to represent with identical numbering.
As Fig. 2, Fig. 3, Fig. 4, Fig. 6, the utility model structure that is coupling comprises:
One ring seat 10 has an axis hole 11 that axially runs through the center of being formed at, and one radially run through and be formed at in-to-in accommodation space 12, and this axis hole 11 and this accommodation space 12 communicate.The opening 13 that the outer wall of this ring seat 10 has two 180 degree of being separated by is communicated in this accommodation space 12.This ring seat 10 has the both sides that a pair of straight inwall 14 is positioned at this accommodation space 12 in addition.
Two clasps 30, each clasp 30 all have general body 31 in the form of a ring, and this body 31 has two and is parallel straight outer wall 32, the pushing and pressing part 33 and a shaft-like chock 34 of a circular shape.The intersection of this chock 34 and this body 31 has stratum's complications 36, so that these chock 34 and this pushing and pressing part 33 and body 31 non-same level heights.Two clasps 30 are the accommodation space that is arranged at this ring seat 10 12 of crossover up and down, and wherein pushing and pressing part 33 correspondences of a clasp 30 chock 34 of another clasp 30.The straight inwall 14 of outer wall 32 these ring seats 10 of contact that this is straight, thus this two clasp 30 can't rotate in this accommodation space 12.
One drive-connecting shaft 40 has a threaded portion 41 and a sleeve part 42 that same axle center is connected, and this sleeve part 42 is worn pivot in the axis hole 11 and accommodation space 12 of this ring seat 10.The ring internal diameter of this two clasp 30 is greater than the external diameter of this sleeve part 42, therefore, this two clasp 30 still can be in this accommodation space 12 the moving of level.The sleeve part 42 of this drive-connecting shaft 40 has one first slotted hole 43 and one second slotted hole of establishing along circumference 44, these two slotted holes, 43,44 center-points be separated by 180 the degree.
Two briquettings 50 are the arc block structure, its outside be one with the corresponding radian outer wall 55 of these ring seat 10 outer walls, its inboard then has one first stratum 51, one second stratum 52 and a three-layered 53; This two briquetting 50 is filled at respectively in two openings 13 of this ring seat 10, and it receives the pushing and pressing part 33 of this two clasp 30 respectively with first stratum 51.This second stratum 52 is relative with this chock 34.
One semi-circular spring 60 is located at this ring seat 10 1 ends, and its two springs pin 61 passes this briquetting 50 respectively and these clasp 30 default springs are worn hole 56,35.
One capping 70, close-fitting are incorporated into this ring seat 10 1 ends, in order to locate this spring 60.
As Fig. 3, the above-mentioned structure that is coupling is with the threaded portion 41 of this drive-connecting shaft 40 and tapped bore 81 combinations of a crank 80, and 42 of this sleeve parts are set in adapter shaft 84 outsides of a pedal 83.These adapter shaft 84 external rings are established a groove 85, and these groove 85 bottoms have at least two plane stop surfaces 86.
As Fig. 4 and Fig. 6, the bullet tension force of this spring 60 makes this two briquetting 50 outwards protrude from the outer wall of this ring seat 10, two clasps 30 are pulled outwardly, and this two chock 34 is entered respectively in this first slotted hole 43 and second slotted hole 44, and protrude from the inwall of this sleeve part 42.Above-mentioned two chocks 34 that protrude from these sleeve part 42 inwalls embed respectively in this groove 85, and contact and blocking with these two stop surfaces 86.
As Fig. 5 and Fig. 7, dismantle the mode of this pedal 83, be to force in this two briquetting 50 to make it to relatively move, 30 of this two clasps produce rightabout horizontal displacement, make two chocks 34 from moving, enter second stratum 52 of relative briquetting 50 respectively, break away from the stop surface 86 and the groove 85 of this adapter shaft 84, this pedal 83 can break away from this sleeve part 42 along the axis direction of this adapter shaft 84.Based on the object of this two clasp 30 for relatively moving, these stratum's complications 36 can be long-pending in order to the relative contact that reduces by two clasps 30, to reduce the abrasion that relatively move and form between the two.
Though the utility model is to do explanation with a most preferred embodiment, is skillful in this skill person and can makes various multi-form changes not breaking away under the utility model spirit and the category.Above illustrated embodiment is only in order to explanation the utility model, and is non-in order to limit scope of the present utility model.Such as do not disobey various modifications or the variation that the utility model spirit is engaged in, all belong to the utility model claim.
Claims (5)
1. a pedal crank shaft access node structure is characterized in that, comprises:
One ring seat (10) has an axis hole (11) that axially runs through the center of being formed at, and one radially run through and be formed at in-to-in accommodation space (12), and this axis hole (11) and this accommodation space (12) communicate; The opening (13) that the outer wall of this ring seat (10) has two 180 degree of being separated by is communicated in this accommodation space (12);
Two clasps (30), each clasp (30) all have body (31) in the form of a ring, and the pushing and pressing part (33) and the shaft-like chock (34) that are divided into this body (31) two ends; This two clasp (30) is the up and down accommodation space that is arranged at this ring seat (10) (12) of crossover, wherein the pushing and pressing part (33) of a clasp (30) corresponding the chock (34) of another clasp (30);
One drive-connecting shaft (40) has a threaded portion (41) and a sleeve part (42) that same axle center is connected, and this sleeve part (42) is worn pivot in the axis hole (11) and accommodation space (12) of this ring seat (10); The sleeve part (42) of this drive-connecting shaft (40) has one first slotted hole (43) and one second slotted hole of establishing along circumference (44), this two slotted hole (43,44) center-point be separated by 180 the degree;
Two briquettings (50) are located at respectively in two openings (13) of this ring seat (10), and its inboard has one first stratum (51), receives the pushing and pressing part (33) of this two clasp (30);
One semi-circular spring (60) is located at this ring seat (10) one ends, and its two springs pin (61) passes this briquetting (50) respectively and the default spring of this clasp (30) is worn hole (56,35);
One capping (70) in order to locate this spring (60), close-fitting is incorporated into this ring seat (10) end.
2. pedal crank shaft access node structure according to claim 1, it is characterized in that, this ring seat (10) has the both sides that a pair of straight inwall (14) is positioned at this accommodation space (12), the body (31) of this each clasp (30) has two and is parallel straight outer wall (32), and this straight outer wall (32) contacts the straight inwall (14) of this ring seat (10).
3. pedal crank shaft access node structure according to claim 1 is characterized in that the intersection of this chock (34) and this body (31) has stratum's complications (36), this chock (34) and this pushing and pressing part (33) and the non-same level height of body (31).
4. pedal crank shaft access node structure according to claim 1 is characterized in that, the outside of this two briquetting (50) be one with the corresponding radian outer wall of radian (55) of this ring seat (10) outer wall.
5. pedal crank shaft access node structure according to claim 1 is characterized in that the inboard of this two briquetting (50) has one second stratum (52) and a three-layered (53), and this second stratum (52) is relative with this chock (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201586217U CN201439372U (en) | 2009-06-10 | 2009-06-10 | Pedal crank coupling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201586217U CN201439372U (en) | 2009-06-10 | 2009-06-10 | Pedal crank coupling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201439372U true CN201439372U (en) | 2010-04-21 |
Family
ID=42544039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201586217U Expired - Lifetime CN201439372U (en) | 2009-06-10 | 2009-06-10 | Pedal crank coupling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201439372U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110974071A (en) * | 2019-11-25 | 2020-04-10 | 台州市路桥爱森勒特机械有限公司 | Portable hand washing machine |
| US11661136B1 (en) * | 2022-06-30 | 2023-05-30 | Vp Components Co., Ltd. | Foldable pedal |
-
2009
- 2009-06-10 CN CN2009201586217U patent/CN201439372U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110974071A (en) * | 2019-11-25 | 2020-04-10 | 台州市路桥爱森勒特机械有限公司 | Portable hand washing machine |
| CN110974071B (en) * | 2019-11-25 | 2021-11-30 | 台州市路桥爱森勒特机械有限公司 | Portable hand washing machine |
| US11661136B1 (en) * | 2022-06-30 | 2023-05-30 | Vp Components Co., Ltd. | Foldable pedal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100421 |