CN201405998Y - Quick release device for crank - Google Patents
Quick release device for crank Download PDFInfo
- Publication number
- CN201405998Y CN201405998Y CN2009201450861U CN200920145086U CN201405998Y CN 201405998 Y CN201405998 Y CN 201405998Y CN 2009201450861 U CN2009201450861 U CN 2009201450861U CN 200920145086 U CN200920145086 U CN 200920145086U CN 201405998 Y CN201405998 Y CN 201405998Y
- Authority
- CN
- China
- Prior art keywords
- quick release
- crank
- hole
- quick
- pedal
- 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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- Insertion Pins And Rivets (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
A quick release device for a crank comprises a crank and a quick release device, wherein a pedal hole is formed at one end of the crank; a quick release hole communicated with the pedal hole is formedon the side surface of the crank; the quick release device comprises a quick release rod, an elastic component, a fixed part and a quick release draw knob; the quick release rod is arranged in the quick release hole; a head part is arranged at one end of the quick release rod; the external diameter of the head part is larger than that of the quick release rod; the fixed part is clamped and fixedin the quick release hole; one end of the elastic component which is sleeved on the quick release rod is propped against the head part, and the other end thereof is propped against the fixed part; thehead part is pushed into the pedal hole by the elastic component; and the other end of the quick release rod penetrates through the fixed part and is combined with the quick release draw knob. The quick release device for the crank has the advantages of simple structure, convenient operation, simple and convenient processing, high structural strength and secure combination.
Description
Technical field
The utility model relates to a kind of structure that can separate bicycle pedal and crank fast, relates in particular to a kind of crank device for quickly disassembling.
Background technology
Existing crank device for quickly disassembling sees also No. 090220059 " bicycle pedal crank device for quickly disassembling " patent of TaiWan, China number of patent application, comprise: stretcher, one end of stretcher has protruded out a rotating shaft, then forms the externally threaded screw part of a tool on the free end of this rotating shaft; Fixing swivel nut, this fixedly swivel nut be the sleeve body of a central tool screw, make this fixedly the screw of swivel nut can be screwed together on the screw part of stretcher, fixedly swivel nut then is convexly equipped with out the blocking flange of five equilibrium at least by the fixing outer rim of swivel nut away from the end in addition of stretcher again; Pedal crank, on the free end of this pedal crank, wear the trepanning that to set for fixing swivel nut, this trepanning inside is with respect to the fixing blocking lugs position of swivel nut, each is recessed to have and can lead caulking groove for what the blocking flange embedded, then be arranged with a degree of depth and be slightly larger than the blocking thickness of flange with respect to a side of leading caulking groove in the side end face in addition of this pedal crank again by this end face away from fixing swivel nut, and distribute along the circle footpath of trepanning and with lead caulking groove and form the clamping slot that communicates.
Fixedly swivel nut in the existing structure needs processing screw hole, and processing screw hole is careless, will cause sliding tooth or accentric problem; Again, existing structure must be processed trepanning to install and fix swivel nut, causes the pedal end undercapacity of crank, the problem that is easy to generate fracture or destroys; In addition, utilize flange and lead the caulking groove mode of clamping mutually, if after the dismounting often, cause easily becoming flexible, even any problem of separating of pedal, moreover, dismounting mode like this, need utilize instrument to finish, can't be with the direct dismounting of hand, operation ease is restricted greatly.
The utility model content
Technical problem underlying to be solved in the utility model is, overcomes the above-mentioned defective that prior art exists, and a kind of crank device for quickly disassembling is provided, and it has simple in structure, and operation is convenient, processes easyly, and structural strength is good and in conjunction with firm advantage.
The technical scheme that its technical matters that solves the utility model adopts is:
A kind of crank device for quickly disassembling is characterized in that, comprises a crank and a device for quickly disassembling, and wherein: this crank one end is provided with a pedal hole, and this crank side is provided with a quick detach hole, and this quick detach hole communicates with the pedal hole; This device for quickly disassembling comprises a Quick release, an elastic component, a connecting element and a quick detach pull-button, this Quick release is to be located in the quick detach hole, this Quick release one end is provided with a head, and this head outer diameter is greater than Quick release, and this connecting element is to be fastened in the quick detach hole, this elastic component is sheathed on the Quick release, this elastic component one end is replaced head, and the other end of this elastic component is replaced connecting element, and this elastic component pushes head in the pedal hole, the other end of this Quick release passes connecting element, and combines with the quick detach pull-button.
Aforesaid crank device for quickly disassembling, wherein connecting element is the star pad.
Aforesaid crank device for quickly disassembling, wherein an end of Quick release is provided with a threaded portion, and this threaded portion combines with the quick detach pull-button.
Aforesaid crank device for quickly disassembling, wherein an end of Quick release is provided with a threaded portion, and this threaded portion combines with the quick detach pull-button.
Aforesaid crank device for quickly disassembling, the wherein vertical pedal in quick detach hole hole.
Aforesaid crank device for quickly disassembling, wherein an end of Quick release is provided with a profile groove.
Aforesaid crank device for quickly disassembling, wherein head is provided with a guiding face.
The utlity model has following advantage: one, simple in structure: device for quickly disassembling is simple in structure, and component count is few; Two, operation ease: utilizing pulling quick detach pull-button is dismantled and assembled pedal, and it is quite convenient to use, and one hand can be operated; Three, processing is easy: crank need not carry out screw thread and complicated processing; Four, structural strength is good: the pedal hole strength is not damaged, so intensity is good; Five, in conjunction with firm: utilize elastic component to fix, can separative risk.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the perspective exploded view of the utility model crank device for quickly disassembling.
Fig. 2 is the solid combination scheme drawing of the utility model crank device for quickly disassembling.
Fig. 3 is the generalized section at 3-3 shown in Figure 2 position.
Fig. 4 and Fig. 5 are the diagram of works of the utility model crank device for quickly disassembling.
Fig. 6 is the cut-away section scheme drawing of the utility model crank device for quickly disassembling second embodiment.
The number in the figure explanation:
12 quick detach holes, 10 cranks, 11 pedal holes
20 pedals, 21 pedal spindle, 22 fixing slots
23 first guiding faces, 30 device for quickly disassembling, 40 Quick releases
41 heads, 411 second guiding faces, 42 threaded portions
43 profile grooves, 50 unisexuality parts, 60 connecting elements
70 quick detach pull-buttons, 71 perforation, 80 screws
The specific embodiment
The utility model relates to a kind of crank device for quickly disassembling, sees also Fig. 1 to shown in Figure 3, is preferred embodiment of the present utility model, comprises a crank 10 and a pedal 20, wherein:
These crank 10 1 ends are provided with a pedal hole 11, and these crank 10 sides are provided with a quick detach hole 12, and this quick detach hole 12 and pedal hole 11 are orthogonal and communicate;
This pedal 20 comprises a pedal spindle 21, this pedal spindle 21 is installed in the pedal hole 11, this pedal spindle 21 is provided with a fixing slot 22, this fixing slot 22 is to be located on the pedal spindle 21, and it is corresponding with quick detach hole 12, these pedal spindle 21 1 ends are hexangle type, in order to the transmission stampede power, avoid idle running;
This crank device for quickly disassembling further comprises a device for quickly disassembling 30, this device for quickly disassembling 30 is installed in the quick detach hole 12, this device for quickly disassembling 30 comprises a Quick release 40, one elastic component 50, one connecting element 60, an one quick detach pull-button 70 and a screw 80, this Quick release 40 is to be installed in the quick detach hole 12, these Quick release 40 1 ends are a head 41, the other end is to be a threaded portion 42, the diameter of this head 41 is big than Quick release 40, this threaded portion 42 is provided with a profile groove 43, this connecting element 60 is a star pad 60 in the present embodiment, this star pad 60 is installed in the quick detach hole 12, utilize star pad 60 and quick detach hole 12 flush fits, snap fit is in wherein, and this quick detach pull-button 70 is provided with a perforation 71;
During assembling, the head 41 of Quick release 40 is inserted in the quick detach hole 12, and elastic component 50 is inserted on the Quick release 40, star pad 60 is pressed in the quick detach hole 12, and the threaded portion 42 of Quick release 40 passed star pad 60, and screw togather with the perforation 71 of quick detach pull-button 70, then utilize screw 80 to pass perforation 71, and screw togather with Quick release 40, enlarge threaded portion 42 by profile groove 43, with fixedly Quick release 40 and quick detach pull-button 70, utilize star pad 60 and head 41 compression elastic pieces 50, the head 41 of Quick release 40 is pushed in the pedal hole 11.
Of the present utility model simple in structure, easy to operate, in addition, pedal 20 need not thread locking with crank 10 and cooperates, and not only reduces the flow process of processing, more increases the convenience on using; In addition, the intensity in pedal hole 11 can not destroyed in the quick detach hole 12 that side is offered; Utilize the elastic force of elastic component 50, more can avoid the possibility of accidental separation.
Second embodiment of the present utility model sees also shown in Figure 6ly, and wherein identical with first embodiment person repeats no more for this reason, only with regard to the explanation of different place.These pedal spindle 21 1 ends are provided with one first guiding face 23, this head 41 is provided with one second guiding face 411, cooperate with second guiding face 411 by first guiding face 23, when pedal spindle 21 is inserted, head 41 guiding earlier can be pushed open, engage with fixing slot 22 more afterwards, finish the action of automatic engaging, and need not spur quick detach pull-button 70.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (7)
1. a crank device for quickly disassembling is characterized in that, comprises a crank and a device for quickly disassembling, wherein:
This crank one end is provided with a pedal hole, and this crank side is provided with a quick detach hole, and this quick detach hole communicates with the pedal hole;
This device for quickly disassembling comprises a Quick release, an elastic component, a connecting element and a quick detach pull-button, this Quick release is to be located in the quick detach hole, this Quick release one end is provided with a head, and this head outer diameter is greater than Quick release, and this connecting element is to be fastened in the quick detach hole, this elastic component is sheathed on the Quick release, this elastic component one end is replaced head, and the other end of this elastic component is replaced connecting element, and this elastic component pushes head in the pedal hole, the other end of this Quick release passes connecting element, and combines with the quick detach pull-button.
2. crank device for quickly disassembling according to claim 1 is characterized in that: described connecting element is the star pad.
3. crank device for quickly disassembling according to claim 1 is characterized in that: an end of described Quick release is provided with a threaded portion, and this threaded portion combines with the quick detach pull-button.
4. crank device for quickly disassembling according to claim 2 is characterized in that: an end of described Quick release is provided with a threaded portion, and this threaded portion combines with the quick detach pull-button.
5. according to each described crank device for quickly disassembling in the claim 1 to 4, it is characterized in that: vertical pedal hole, described quick detach hole.
6. according to each described crank device for quickly disassembling in the claim 1 to 4, it is characterized in that: an end of described Quick release is provided with a profile groove.
7. according to each described crank device for quickly disassembling in the claim 1 to 4, it is characterized in that: described head is provided with a guiding face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201450861U CN201405998Y (en) | 2009-03-06 | 2009-03-06 | Quick release device for crank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201450861U CN201405998Y (en) | 2009-03-06 | 2009-03-06 | Quick release device for crank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201405998Y true CN201405998Y (en) | 2010-02-17 |
Family
ID=41676925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201450861U Expired - Lifetime CN201405998Y (en) | 2009-03-06 | 2009-03-06 | Quick release device for crank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201405998Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101817384A (en) * | 2010-03-05 | 2010-09-01 | 大行科技(深圳)有限公司 | Quick release pedal device without tool |
| CN102975812A (en) * | 2010-03-05 | 2013-03-20 | 大行科技(深圳)有限公司 | Quick pedal release device without tool |
-
2009
- 2009-03-06 CN CN2009201450861U patent/CN201405998Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101817384A (en) * | 2010-03-05 | 2010-09-01 | 大行科技(深圳)有限公司 | Quick release pedal device without tool |
| WO2011107016A1 (en) * | 2010-03-05 | 2011-09-09 | 大行科技(深圳)有限公司 | Quickly detachable pedal device without instruments |
| CN102975812A (en) * | 2010-03-05 | 2013-03-20 | 大行科技(深圳)有限公司 | Quick pedal release device without tool |
| CN101817384B (en) * | 2010-03-05 | 2013-04-10 | 大行科技(深圳)有限公司 | Quick release pedal device without tool |
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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 |
Granted publication date: 20100217 |
|
| CX01 | Expiry of patent term |