CN108045492A - A kind of fast disassembly type bicycle middle shaft component and its quick-disassembling method - Google Patents
A kind of fast disassembly type bicycle middle shaft component and its quick-disassembling method Download PDFInfo
- Publication number
- CN108045492A CN108045492A CN201711407775.0A CN201711407775A CN108045492A CN 108045492 A CN108045492 A CN 108045492A CN 201711407775 A CN201711407775 A CN 201711407775A CN 108045492 A CN108045492 A CN 108045492A
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- Prior art keywords
- quick release
- sleeve
- middle shaft
- bearing
- shaft component
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M3/00—Construction of cranks operated by hand or foot
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Motorcycle And Bicycle Frame (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The invention discloses a kind of fast disassembly type bicycle middle shaft component and its quick-disassembling methods, are related to bicycle part, and the fast disassembly type bicycle middle shaft component includes axis rod, splined sleeve, left bearing, right bearing, Quick Release axle sleeve, fixed hub；Splined sleeve is arranged in axis rod by being socketed left axle bearing outer-ring and right bearing；Splined sleeve outer diameter is provided with external splines, and splined sleeve is connected with bicycle bottom bracket by spline, and splined sleeve left end is tightly locked with Quick Release axle sleeve right end by screw thread.The present invention by the thread connecting mode of the left and right bowl of existing axis and bicycle bottom bracket be improved to spline connection, screw-threaded coupling connection mode, the installation and removal of Middle shaft assembly are enormously simplified, reduce the difficulty and production, maintenance cost of the dismounting of bicycle middle shaft component.
Description
Technical field
The present invention relates to bicycle parts, and in particular to a kind of fast disassembly type bicycle middle shaft component and its quick-disassembling method.
Background technology
Bicycle acts not only as a kind of high-end competitive sport instrument and a kind of technical converter tools, is also used as
A kind of vehicles become increasingly popular.The function of bicycle is showed increasingly with becoming increasingly popular for bicycle to popular friendship
The trend of logical tool direction development.Bicycle spare parts and accessories is constantly to installation and the improvement in dismounting more easyization direction so that voluntarily
Vehicle R and M technology has no longer been the patent of a small number of professional athletes and professional player, and positive ordinary populace user is general
And.
Bicycle bottom bracket is located at the chain wheel position of bottom of frame, and external connection seat pipe, down tube, the crank of cycle frame
Axis and two back breeches pipes, inside is equipped with Middle shaft assembly.Middle shaft assembly in bicycle bottom bracket as bicycle rotating mechanism most
It is one of improved hot spot of current bicycle part for the parts of core.
The Middle shaft assembly that most of bicycle all uses at present is square hole integral type axis.However, current square hole integral type
Axis is provided at both ends with left bowl and right bowl, and external screw thread, five logical both ends of matched installation are respectively arranged on left bowl and right bowl
It is provided with internal thread, the external screw thread of left bowl and right bowl is interference fitted close connection cards with five logical internal threads respectively, and to be tightly placed in five logical
Interior, the left bowl and right bowl so set plays the role of the logical fixed axis of clamping five.However, the screw thread of left bowl and right bowl is to positive and negative
Need during both direction rotation direction two people with the help of axis specific purpose tool respectively from positive and negative both direction rotation direction simultaneously,
The logical axis of entire installation clamping five and its dismantlement work are extremely complex, the installation and removal of bicycle middle shaft be typically at present by
Professional person completes with the help of multiple types of tools, and the processing of these instruments includes monkey wrench, nipper plier, box spanner, rubber
Hammer, allen wrench, the instrument for further including special dismounting crank draw horse, five logical lid extracting tools, axis dustproof cover extracting tool
Etc. a variety of very professional axis instruments.These not only increase the production cost that axis peace is torn open, also add common people certainly
Difficulty in axis installation, dismounting and the maintenance process of driving a vehicle.
The content of the invention
It is existing to solve it is an object of the invention to provide a kind of fast disassembly type bicycle middle shaft component and its quick-disassembling method
The problem of Middle shaft assembly dismounting is difficult.
To achieve the above object, the technical scheme is that, a kind of fast disassembly type bicycle middle shaft component is provided, it is described fast
Tearing formula bicycle middle shaft component open includes axis rod, splined sleeve, left bearing, right bearing, Quick Release axle sleeve, fixed hub；In described
Axis rod both ends are respectively arranged with tapered left tenon and right tenon, and left axle neck and right axle neck are provided in the middle part of the axis rod,
The left bearing and the right bearing are respectively arranged at left axle neck and right axle neck, and the axis rod is worn by left bearing and right bearing
It is placed in the splined sleeve；The splined sleeve is socketed in bicycle bottom bracket, and the splined sleeve outer diameter is provided with outer flower
Key, bicycle bottom bracket inner wall are provided with the internal spline with external splines assembling；The splined sleeve right end is socketed on the right bearing
Left end, the fixed hub left end is socketed on the right end of the right bearing, the splined sleeve right side and spline right side
For concordant section, the fixed hub left side section concordant with the right end of the splined sleeve and spline is in the right bearing
Portion's docking is fixed；The outer collar of the Quick Release axle sleeve right side is axially disposed to have Quick Release to connect outward flange, the splined sleeve
The interior collar of left side is axially disposed sleeve connection inward flange, the Quick Release connection outward flange and the sleeve connection convex
Edge is connected through a screw thread.
As a kind of perferred technical scheme, the Quick Release end face of shaft bush is opened up there are two L-shaped groove, described two L-shaped grooves
It is formed by transverse groove and cannelure end vertical, two cannelures of described two L-shaped grooves are arranged in parallel in the two of axis rod
Side, two transverse grooves of described two L-shaped grooves are located at lower end of the upper end with another cannelure of a cannelure respectively, described
One end of the close transverse groove of cannelure offers spring blind hole, and one end of the separate transverse groove of the cannelure offers reinforcing
Montant through hole；Be separately installed with two threaded fasteners in described two L-shaped grooves, the threaded fastener include reinforcing montant,
Cross bar and compression spring are locked, the compression spring is arranged at the reinforcing montant one end, and the reinforcing montant is close to compression
Crossbar end is vertical is connected as a single entity with locking for one end of spring.
As a kind of prioritization scheme, Quick Release baffle ring, the Quick Release baffle ring are provided between the Quick Release axle sleeve and left bearing
For threaded collar.
As a kind of prioritization scheme, fixed baffle ring, the fixed baffle ring are provided between the fixed hub and right bearing
For circlip.
As a kind of prioritization scheme, the outer diameter of the outer collar of the Quick Release axle sleeve left side and the fixed hub right side
Circle is disposed radially five logical left side closure outward flanges and five logical right side closure outward flanges respectively.
As a kind of prioritization scheme, bolt hole, the bolt hole are offered inside the left tenon and the right tenon
Inner wall be provided with crank connection screw thread.
As a kind of prioritization scheme, the left bearing and right bearing are ball bearing.
As a kind of prioritization scheme, the Quick Release connection outward flange inner wall is provided with internal thread, the sleeve connection convex
Edge outer diameter is provided with external screw thread, and the Quick Release axle sleeve right end is connected the interior spiral shell of outward flange with the splined sleeve left end by Quick Release
Line is connected with the external screw thread of sleeve connection inward flange.
As another preferred technical solution, the Quick Release end face of shaft bush vertically offers locking through hole, the locking
Through-hole wall is provided with through hole ring screw, and locking through hole connecting hole, the locking are offered in the sleeve connection inward flange
Through hole connecting hole inner wall is provided with connecting hole ring screw, and the locking through hole connecting hole and the locking through hole are Heart-to-Heart
Structure.
The present invention relates to a kind of quick-disassembling methods of fast disassembly type bicycle middle shaft component, provide a kind of above-mentioned fast disassembly type voluntarily
Vehicle Middle shaft assembly, the quick-disassembling method comprise the following steps：
The crank that the crank and right tenon that dismounting is connected with left tenon respectively are connected；
The locking cross bar of two threaded fasteners is transferred to respectively, and the compression spring elongation of two compressions promotes two reinforcings
Montant away from compression spring movement, two locking cross bars respectively away from original transverse groove and cannelure T-shaped mutually with one voice；
Left hand and the right hand hold on respectively two locking cross bars simultaneously along counterclockwise or rotate clockwise, two screw-threaded couplings
Part drives Quick Release axle sleeve to be rotated around axis rod by L-shaped groove, and Quick Release axle sleeve rotates the screw thread edge for driving Quick Release connection outward flange
The threaded line movement of sleeve connection inward flange until the completely out bicycle bottom bracket of Quick Release axle sleeve；
Right tenon is horizontally outward pulled out, the internal spline of external splines from the bicycle bottom bracket inner wall of splined sleeve skids off.
The invention has the advantages that：
The present invention by existing axis and five logical thread connecting modes be improved to spline be connected, the reinforcing of screw-threaded coupling, bolt
The connection mode that clamping or extension bar screw, enormously simplifies the installation and removal of Middle shaft assembly, the assembly and disassembly of Middle shaft assembly are no longer
Professional person is needed to operate, also no longer needs the axis instrument by specialty, greatly reduces the dismounting of bicycle middle shaft component
Difficulty and its production cost.
Description of the drawings
Fig. 1 is a kind of elevational view for fast disassembly type bicycle middle shaft component that embodiment 1 is related to.
Fig. 2 is a kind of longitudinal sectional view for fast disassembly type bicycle middle shaft component that embodiment 1 is related to.
Fig. 3 is a kind of front view for Quick Release axle sleeve that embodiment 1 is related to.
Fig. 4 is a kind of enlarged drawing for threaded fastener that embodiment 1 is related to.
Fig. 5 is sectional view along A-A in Fig. 3.
Fig. 6 is a kind of lateral plan for fast disassembly type bicycle middle shaft component that embodiment 1 is related to.
Fig. 7 is a kind of elevational view for fast disassembly type bicycle middle shaft component that embodiment 2 is related to.
Fig. 8 is a kind of longitudinal sectional view for fast disassembly type bicycle middle shaft component that embodiment 2 is related to.
Fig. 9 is a kind of front view for Quick Release axle sleeve that embodiment 2 is related to.
Figure 10 is the sectional view along A-A of the Quick Release axle sleeve of Fig. 8.
Figure 11 is a kind of lateral plan for fast disassembly type bicycle middle shaft component that embodiment 2 is related to.
Specific embodiment
Following embodiment is not limited to the scope of the present invention for illustrating the present invention.
Embodiment 1
The structure of the fast disassembly type bicycle middle shaft component provided with reference to figure to the present embodiment 1 is described in detail.
Referring to figs. 1 to Fig. 6, the fast disassembly type bicycle middle shaft component includes axis rod 1, splined sleeve 2, left bearing 3, the right side
Bearing 4, Quick Release baffle ring 31, fixed baffle ring 41, Quick Release axle sleeve 5 and fixed hub 6；1 both ends of axis rod, which are respectively arranged with, is in
Bolt hole, the spiral shell are offered inside the left tenon 11 of taper and right tenon 12, the left tenon 11 and the right tenon 12
The inner wall of keyhole is provided with crank connection screw thread；1 middle part of axis rod is provided with left axle neck 13 and right axle neck 14, the left axle
It holds 3 inner ring and the inner ring of the right bearing 4 is individually fixed in left axle neck 13 and right axle neck 14, the axis rod 1 passes through left axle
Hold 3 and right bearing 4 fixation be set in the splined sleeve 2；2 outer diameter of splined sleeve is provided with external splines 21, bicycle
Five logical inner walls are provided with internal spline, and the splined sleeve 2 is socketed on by spline in the bicycle bottom bracket；The splined sleeve
2 right ends are socketed on the left end of the right bearing 4, and 6 left end of fixed hub is socketed on the right end of the right bearing 4, the flower
2 right side of key sleeve is concordant section, 6 left side of fixed hub and the splined sleeve 2 and flower with 21 right side of spline
The concordant section of right end of key 21 is fixed in the 4 middle part docking of right bearing；It is provided between the Quick Release axle sleeve 5 and left bearing 3
Quick Release baffle ring 31 is provided with fixed baffle ring 41 between the fixed hub 6 and right bearing 4；Outside 5 right side of Quick Release axle sleeve
Collar is axially disposed to have Quick Release to connect outward flange 50, and the interior collar of 2 left side of splined sleeve is axially disposed sleeve
Inward flange 22 is connected, Quick Release connection 50 inner wall of outward flange is provided with internal thread, and 22 outer diameter of sleeve connection inward flange is set
Be equipped with external screw thread, 5 right end of Quick Release axle sleeve and 2 left end of splined sleeve by Quick Release be connected the internal thread of outward flange 50 with
The external screw thread connection of sleeve connection inward flange 22.
Preferably, the outer collar of 6 right side of outer collar and the fixed hub of 5 left side of Quick Release axle sleeve edge respectively
The five logical logical right side closure outward flanges 61 of left side closure outward flange 51 and five are radially set.Five logical left side closure flanges and five logical right sides
The setting purpose of flange is blocked, is to realize the closure to bicycle bottom bracket left and right side.
Preferably, the Quick Release baffle ring 31 is threaded collar.
Preferably, the left bearing 3 and right bearing 4 are ball bearing.
Preferably, the fixed baffle ring 41 is circlip.
As a kind of perferred technical scheme, 5 end face of Quick Release axle sleeve is opened up there are two L-shaped groove 7, described two L-shaped
Slot 7 is formed by transverse groove 71 and 72 end vertical of cannelure, and two cannelures 72 of described two L-shaped grooves 7 are arranged in parallel in
The both sides of axis rod 1, two transverse grooves 71 of described two L-shaped grooves 7 be located at respectively cannelure 72 upper end and another
The lower end of cannelure 72, one end of the close transverse groove of the cannelure 72 offer spring blind hole 73, the cannelure 72
The other end offers reinforcing montant through hole 74；Two threaded fasteners 8, the screw thread are separately installed in described two L-shaped grooves 7
Locking member 8 includes reinforcing montant 81, locking cross bar 82 and compression spring 83, and the compression spring 83 is arranged at the reinforcing montant
81 one ends, the reinforcing montant 81 are integrally connected shaping close to one end of compression spring 83 and locking 82 end vertical of cross bar.
The present embodiment is related to a kind of quick-disassembling method of fast disassembly type bicycle middle shaft component, provides a kind of above-mentioned fast disassembly type certainly
Driving Middle shaft assembly, the quick-disassembling method comprise the following steps：
The crank that the crank and right tenon 12 that dismounting is connected with left tenon 11 respectively are connected；
The locking cross bar 82 of two threaded fasteners 8 is transferred to respectively, and the compression spring 83 of two compressions extends, and promotes two
Reinforcing montant 81 is moved away from compression spring 83, and two locking cross bars 82 are respectively away from the fourth of original transverse groove 71 and cannelure 72
Word phase is with one voice；
Left hand and the right hand hold on respectively two locking cross bars 82 simultaneously along counterclockwise or rotate clockwise, two screw fastenings
Tight part 8 drives Quick Release axle sleeve 5 to be rotated around axis rod 1 by L-shaped groove 7, and Quick Release axle sleeve 5, which rotates, drives Quick Release connection outward flange 50
The threaded line of screw thread along sleeve connection inward flange 22 move until 5 completely out bicycle bottom bracket of Quick Release axle sleeve；
Right tenon 12 is horizontally outward pulled out, the internal spline of external splines 21 from the bicycle bottom bracket inner wall of splined sleeve 2 skids off.
Embodiment 2
The structure of the fast disassembly type bicycle middle shaft component provided with reference to figure to the present embodiment 2 is described in detail.
With reference to figure 7 to Figure 11, the fast disassembly type bicycle middle shaft component include axis rod 1, splined sleeve 2, left bearing 3,
Right bearing 4, Quick Release baffle ring 31, fixed baffle ring 41, Quick Release axle sleeve 5 and fixed hub 6；1 both ends of axis rod are respectively arranged with
Bolt hole is offered inside tapered left tenon 11 and right tenon 12, the left tenon 11 and the right tenon 12, it is described
The inner wall of bolt hole is provided with crank connection screw thread；1 middle part of axis rod is provided with left axle neck 13 and right axle neck 14, the left side
The inner ring of the inner ring of bearing 3 and the right bearing 4 is individually fixed in left axle neck 13 and right axle neck 14, and the axis rod 1 passes through a left side
Bearing 3 and the fixation of right bearing 4 are set in the splined sleeve 2；2 outer diameter of splined sleeve is provided with external splines 21, voluntarily
Che Wutong inner walls are provided with internal spline, and the splined sleeve 2 is socketed on by spline in the bicycle bottom bracket；The spline housing
2 right ends of cylinder are socketed on the left end of the right bearing 4, and 6 left end of fixed hub is socketed on the right end of the right bearing 4, described
2 right side of splined sleeve and 21 right side of spline are concordant section, 6 left side of fixed hub and the splined sleeve 2 and
The concordant section of right end of spline 21 is fixed in the 4 middle part docking of right bearing；It is set between the Quick Release axle sleeve 5 and left bearing 3
There is Quick Release baffle ring 31, fixed baffle ring 41 is provided between the fixed hub 6 and right bearing 4；5 right side of Quick Release axle sleeve
Outer collar is axially disposed to have Quick Release to connect outward flange 50, and the interior collar of 2 left side of splined sleeve is axially disposed set
Cylinder connection inward flange 22, Quick Release connection 50 inner wall of outward flange are provided with internal thread, 22 outer diameter of sleeve connection inward flange
External screw thread is provided with, 5 right end of Quick Release axle sleeve is connected the internal thread of outward flange 50 with 2 left end of splined sleeve by Quick Release
It is connected with the external screw thread of sleeve connection inward flange 22.
Preferably, the outer collar of 6 right side of outer collar and the fixed hub of 5 left side of Quick Release axle sleeve edge respectively
The five logical logical right side closure outward flanges 61 of left side closure outward flange 51 and five are radially set.Five logical left side closure flanges and five logical right sides
The setting purpose of flange is blocked, is to realize the closure to bicycle bottom bracket left and right side.
Preferably, the Quick Release baffle ring 31 is threaded collar.
Preferably, the left bearing 3 and right bearing 4 are ball bearing.
Preferably, the fixed baffle ring 41 is circlip.
As a kind of perferred technical scheme, 5 end face of Quick Release axle sleeve vertically offers locking through hole 52, the locking
52 inner wall of through hole is provided with through hole ring screw, and locking through hole connecting hole 53, institute are offered in the sleeve connection inward flange 22
It states 53 inner wall of locking through hole connecting hole and is provided with connecting hole ring screw, and the locking through hole connecting hole 53 and the locking are logical
Hole 52 is concentric structure.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention belong to the scope of protection of present invention.
Claims (9)
1. a kind of fast disassembly type bicycle middle shaft component, which is characterized in that the fast disassembly type bicycle middle shaft component includes axis rod
(1), splined sleeve (2), left bearing (3), right bearing (4), Quick Release axle sleeve (5) and fixed hub (6)；The axis rod (1) two
End is respectively arranged with tapered left tenon (11) and right tenon (12), and left axle neck (13) is provided in the middle part of the axis rod (1)
With right axle neck (14), the left bearing (3) and the right bearing (4) are respectively arranged at left axle neck (13) and right axle neck (14), institute
Axis rod (1) is stated to be set in the splined sleeve (2) by left bearing (3) and right bearing (4)；Splined sleeve (2) set
Be connected in bicycle bottom bracket, splined sleeve (2) outer diameter is provided with external splines (21), bicycle bottom bracket inner wall be provided with outside
The internal spline of spline (21) assembling；Splined sleeve (2) right end is socketed on the left end of the right bearing (4), the fixing axle
Set (6) left end is socketed on the right end of the right bearing (4), and splined sleeve (2) right side is with external splines (21) right side
Concordant section, fixed hub (6) the left side section concordant with the right end of the splined sleeve (2) and external splines (21) is in institute
Docking in the middle part of right bearing (4) is stated to fix；The outer collar of Quick Release axle sleeve (5) right side is axially disposed to have Quick Release to connect evagination
Edge (50), the interior collar of splined sleeve (2) left side is axially disposed sleeve connection inward flange (22), and the Quick Release connects
Outward flange (50) is connect to be connected through a screw thread with the sleeve connection inward flange (22).
2. fast disassembly type bicycle middle shaft component as described in claim 1, which is characterized in that open Quick Release axle sleeve (5) end face
If there are two L-shaped grooves (7), described two L-shaped grooves (7) are formed by transverse groove (71) and cannelure (72) end vertical, described
Two cannelures (72) of two L-shaped grooves (7) are arranged in parallel in the both sides of axis rod (1), two of described two L-shaped grooves (7)
Transverse groove (71) is located at lower end of the upper end with another cannelure (72) of a cannelure (72), the cannelure (72) respectively
One end of close transverse groove offer spring blind hole (73), one end of the separate transverse groove (71) of the cannelure (72) opens up
Reinforce montant through hole (74)；Two threaded fasteners (8), the threaded fastener are separately installed in described two L-shaped grooves (7)
(8) reinforcing montant (81), locking cross bar (82) and compression spring (83) are included, the compression spring (83) is arranged at the reinforcing
Montant (81) one end, the reinforcing montant (81) connect close to one end of compression spring (83) and locking cross bar (82) end vertical
Connect integrated molding.
3. fast disassembly type bicycle middle shaft component as described in claim 1, which is characterized in that Quick Release axle sleeve (5) left side
Outer collar and the fixed hub (6) right side outer collar be disposed radially respectively five logical left side closure outward flanges (51) and
Five logical right side closure outward flanges (61).
4. fast disassembly type bicycle middle shaft component as described in claim 1, which is characterized in that the Quick Release axle sleeve (5) and left axle
It holds and Quick Release baffle ring (31) is provided between (3), the Quick Release baffle ring (31) is threaded collar.
5. fast disassembly type bicycle middle shaft component as described in claim 1, which is characterized in that the fixed hub (6) and right axle
It holds and fixed baffle ring (41) is provided between (4), the fixed baffle ring (41) is circlip.
6. fast disassembly type bicycle middle shaft component as described in claim 1, which is characterized in that the left tenon (11) and the right side
Bolt hole is offered inside square tenon (12), the inner wall of the bolt hole is provided with crank connection screw thread.
7. fast disassembly type bicycle middle shaft component as described in claim 1, which is characterized in that the left bearing (3) and right bearing
(4) it is ball bearing.
8. fast disassembly type bicycle middle shaft component as described in claim 1, which is characterized in that hang down Quick Release axle sleeve (5) end face
It heads straight for being equipped with locking through hole (52), described locking through hole (52) inner wall is provided with through hole ring screw, the sleeve connection convex
Locking through hole connecting hole (53) is offered in edge (22), described locking through hole connecting hole (53) inner wall is provided with connecting hole annular spiral shell
Line, and the locking through hole connecting hole (53) and the locking through hole (52) they are concentric structure.
9. a kind of quick-disassembling method of fast disassembly type bicycle middle shaft component as described in claim 1 to 7 is any, which is characterized in that
The quick-disassembling method comprises the following steps：
The crank that the crank and right tenon (12) that dismounting is connected with left tenon (11) respectively are connected；
The locking cross bar (82) of two threaded fasteners (8) is transferred to respectively, and compression spring (83) elongation of two compressions promotes two
A montant (81) that reinforces is mobile away from compression spring (83), and two locking cross bars (82) are respectively away from original transverse groove (71) with indulging
To slot (72) T-shaped mutually with one voice；
Left hand and the right hand hold on respectively two locking cross bars (82) and meanwhile along counterclockwise or rotate clockwise, two screw-threaded couplings
Part (8) drives Quick Release axle sleeve (5) to be rotated around axis rod (1) by L-shaped groove (7), and Quick Release axle sleeve (5), which rotates, drives Quick Release connection
The screw thread of outward flange (50) is along the threaded line movement of sleeve connection inward flange (22) until Quick Release axle sleeve (5) is completely out voluntarily
Che Wutong；
Right tenon (12) is horizontally outward pulled out, the external splines (21) of splined sleeve (2) is slided from the internal spline of bicycle bottom bracket inner wall
Go out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711407775.0A CN108045492B (en) | 2017-12-22 | 2017-12-22 | Quick-dismantling type bicycle middle shaft assembly and quick-dismantling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711407775.0A CN108045492B (en) | 2017-12-22 | 2017-12-22 | Quick-dismantling type bicycle middle shaft assembly and quick-dismantling method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108045492A true CN108045492A (en) | 2018-05-18 |
| CN108045492B CN108045492B (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711407775.0A Active CN108045492B (en) | 2017-12-22 | 2017-12-22 | Quick-dismantling type bicycle middle shaft assembly and quick-dismantling method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN108045492B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB370283A (en) * | 1931-07-17 | 1932-04-07 | Bayliss Wiley And Company Ltd | Improvements relating to bottom-bracket bearing mountings for the crank-axles of cycles |
| CN1814499A (en) * | 2005-01-31 | 2006-08-09 | 李政 | Rapid-folding crank for bicycle |
| CN203864905U (en) * | 2014-04-04 | 2014-10-08 | 陈海军 | Balance bike and bike integrated middle shaft device |
| CN205707124U (en) * | 2016-02-18 | 2016-11-23 | 上海赤焰实业有限公司 | A kind of bicycle center shaft structure |
| CN206218129U (en) * | 2016-12-03 | 2017-06-06 | 浙江超级电气科技有限公司 | Bicycle bottom bracket moment sensing mechanism |
| CN206634138U (en) * | 2017-03-20 | 2017-11-14 | 利奇机械工业股份有限公司 | The device for quickly disassembling of bicycle quick |
| CN207931910U (en) * | 2017-12-22 | 2018-10-02 | 史非 | A kind of fast disassembly type bicycle middle shaft component |
-
2017
- 2017-12-22 CN CN201711407775.0A patent/CN108045492B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB370283A (en) * | 1931-07-17 | 1932-04-07 | Bayliss Wiley And Company Ltd | Improvements relating to bottom-bracket bearing mountings for the crank-axles of cycles |
| CN1814499A (en) * | 2005-01-31 | 2006-08-09 | 李政 | Rapid-folding crank for bicycle |
| CN203864905U (en) * | 2014-04-04 | 2014-10-08 | 陈海军 | Balance bike and bike integrated middle shaft device |
| CN205707124U (en) * | 2016-02-18 | 2016-11-23 | 上海赤焰实业有限公司 | A kind of bicycle center shaft structure |
| CN206218129U (en) * | 2016-12-03 | 2017-06-06 | 浙江超级电气科技有限公司 | Bicycle bottom bracket moment sensing mechanism |
| CN206634138U (en) * | 2017-03-20 | 2017-11-14 | 利奇机械工业股份有限公司 | The device for quickly disassembling of bicycle quick |
| CN207931910U (en) * | 2017-12-22 | 2018-10-02 | 史非 | A kind of fast disassembly type bicycle middle shaft component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108045492B (en) | 2023-06-30 |
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