CN109747768A - fluted disc mounting structure - Google Patents
fluted disc mounting structure Download PDFInfo
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- CN109747768A CN109747768A CN201711070153.3A CN201711070153A CN109747768A CN 109747768 A CN109747768 A CN 109747768A CN 201711070153 A CN201711070153 A CN 201711070153A CN 109747768 A CN109747768 A CN 109747768A
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- slot
- sliding part
- fluted disc
- mounting structure
- disc mounting
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Abstract
A kind of fluted disc mounting structure comprising sleeve member, the first sliding part, the second sliding part and an at least guide member.Sleeve member, the first sliding part and the second sliding part are installed along central axis, sleeve member is fixedly arranged on fluted disc, first sliding part connect with crank and is sheathed in sleeve member and has at least one first slot, second sliding part is sheathed between sleeve member and the first sliding part, and there is at least one second slot, the extending direction of the second slot to be not parallel to the extending direction of the first slot.Guide member is positioned at the inner wall of sleeve member, and extends radially through the second slot and be inserted in the first slot.Guide member is inserted in the first slot and move axially the first sliding part can relative to sleeve member, and guide member passes through the second slot and rotate the second sliding part can relative to sleeve member and the first sliding part.
Description
Technical field
The present invention relates to a kind of fluted disc mounting structures more particularly to one kind to allow fluted disc in laterally moved to adjust nipper
The fluted disc mounting structure of the lateral position difference of disk and rear tooth disk.
Background technique
In common bicycle, whether life leisure either racing match, the bicycle of variable-ratio be quite by
It welcomes.The bicycle of variable-ratio mainly has fluted discs and more in conjunction with rear-wheel before the majority in conjunction with pedal and crank
Several rear tooth disks, preceding fluted disc and rear tooth disk make crank rotate and nipper is driven to spiral by chain coupling, user's pushes pedals
Turn, to rotate by chain-driving rear tooth disk and make rear wheel, can so bicycle be made to advance.And it is dialled by derailleur
Dynamic chain and the preceding fluted disc and rear tooth disk for making chain combination different-diameter, and generate different speed changing effects.
Under general status of implementation, preceding fluted disc and rear tooth disk are variant on lateral position, so that chain is certain in combination
When the combination of the biggish preceding fluted disc of lateral position difference and rear tooth disk, there is a biggish inclined angle, chain is thus to matching
Close preceding fluted disc and rear tooth disk generate lateral force and thus generate biggish frictional force, can so accelerate the mill of fluted disc and chain
Consumption, and biggish noise can be also generated when riding.
U.S. Patent Bulletin US 6173982 proposes solution to the above problem, by the ring gear body of preceding fluted disc and song
The spoke that handle combines is formed such as the general construction in joint, and such ring gear body can be displaced sideways, and before adjusting whereby fluted disc with
The difference of lateral position between rear tooth disk, and the lateral force of fluted disc and chain is reduced, to reduce the abrasion of fluted disc and chain.But
Be the above-mentioned construction such as joint, need the structure of usage quantity considerable metal block and bolt, thus make to construct it is considerably complicated,
And junction is easy that stress is excessive that structural break is caused to damage.
This " background technique " paragraph is used only to help to understand the content of present invention, therefore disclosed in " background technique "
Content may include some prior arts without constituting road known to those skilled in the art.In addition, the institute in " background technique "
The content of exposure does not represent the content or the one or more embodiments of present invention problem to be solved, does not represent at this yet
It has been readily known to those persons skilled in the art or has recognized before patent application.
Summary of the invention
In view of this, the present invention provides a kind of fluted disc mounting structure, in the junction of preceding fluted disc and crank, by with nipper
The column or spherical guide member that disk combines are incorporated into having in the lantern ring of the slot extended laterally in conjunction with crank, so that it may
Before making fluted disc relative to crank laterally moved, and the difference before adjusting whereby on the lateral position of fluted disc and rear tooth disk, because
And reduce the abrasion of chain Yu front and back fluted disc.And the present invention only use guide member and lantern ring simple structure may achieve it is above-mentioned
Effect, the United States Patent (USP) US 6173982 for not needing to be previously mentioned such as background technique used multiple metal blocks to be formed with bolt
Labyrinth.
Other objects and advantages of the present invention can from disclosed herein technical characteristic in be further understood.
It is to propose a kind of fluted disc peace up to above-mentioned one or part or all of purpose or other purposes, one embodiment of the invention
Assembling structure links fluted disc and crank along central axis.This fluted disc mounting structure includes sleeve member, the first sliding part, the second cunning
Moving part and at least a guide member.Sleeve member has inner wall and outside wall surface, and outside wall surface is provided with an at least fluted disc mounting portion,
To connecting chainring, and inner wall is equipped at least a positioning hole.First sliding part is connect with crank, and is sheathed in sleeve member
And there is at least one first slot.Second sliding part is sheathed between sleeve member and the first sliding part, and has at least one second
Slot.The extending direction of each second slot is not parallel to the extending direction of each first slot.One end of guide member is set to positioning
Hole, and be radially arranged in the second slot and the first slot is set to the other end.Guide member is arranged in the first slot and makes
One sliding part can be moved axially relative to sleeve member.Guide member pass through the second slot and enable second the first slot of sliding part with
Second slot is limited relative to sleeve member and the rotation of the first sliding part.
In one embodiment of this invention, above-mentioned fluted disc mounting structure further includes the first limited part, and it is sliding to be sheathed on first
In moving part, and limit moving radially for an at least guide member.
In one embodiment of this invention, above-mentioned each first limited part includes the first noumenon and an at least limiting unit,
The first noumenon is annular in shape, and an at least limiting unit is axially extending towards fluted disc by the edge of the first noumenon, when the first limitation
When part is sheathed in the first sliding part, an at least limiting unit covers at least one first slot, described at least with limitation
One guide member moves radially.
In one embodiment of this invention, the first above-mentioned sliding part includes base portion, cylindrical portion and an at least slot, institute
The outside wall surface that at least one first slot is set to cylindrical portion is stated, base portion is connected to the inner wall of cylindrical portion, and base portion is equipped with mounting hole,
To be connect with crank.An at least slot is formed in inner wall and the base portion joint of cylindrical portion, and the limitation with the first limited part
Portion engages and covers at least one first slot, is moved radially with limiting an at least guide member.
In one embodiment of this invention, above-mentioned fluted disc mounting structure further includes the second limited part, and it is sliding to be incorporated into first
Moving part, and limit the second sliding part with the first sliding part and rotated along the outside wall surface of the first sliding part.
In one embodiment of this invention, the first above-mentioned sliding part is equipped with an at least fixation hole, and the second limited part is corresponding
An at least fixation hole is equipped at least one perforation, and corresponding fixation hole with perforation is locked with fixing element.
In one embodiment of this invention, the edge of the first above-mentioned sliding part is formed at least one first protrusion, described
At least one first protrusion is radially extended by the outer peripheral edge of the first sliding part.Second limited part is with the second ontology and at least
One second protrusion, the second ontology is annular in shape, and at least one second protrusion is the outer peripheral edge by the second ontology radially towards extension
It stretches to be formed.Second sliding part is cylindrical and has the first edge and second edge that are oppositely arranged, first edge corresponding the
One protrusion is formed at least one first limiting slot, and corresponding second protrusion of second edge is formed at least one second limiting slot.It is described
At least one first protrusions match is at least one first limiting slot, and at least one second protrusions match is in described at least one
Second limiting slot.The width of each first limiting slot is greater than the width of each first protrusion, and the width of each second limiting slot is greater than each the
The width of two protrusions rotates the second sliding part in a limited degree along the outside wall surface of the first sliding part.
In one embodiment of this invention, an at least guide member can be that bolt, roller bearing and ball etc. can rolling elements
One of which.
In one embodiment of this invention, one of them its extending direction of above-mentioned each first slot and each second slot
It is roughly parallel to central axis, and the extending direction and central axis of another each first slot and each second slot accompany acute angle theta, and
0 ° of 90 ° of < θ <.
In one embodiment of this invention, above-mentioned acute angle theta is 45 °.
The present invention is because that can make the preceding fluted disc for being fixed on sleeve member relative to the first sliding part in axial movement using sleeve member
Can be displaced sideways, i.e., be displaced sideways relative to rear tooth disk relative to vehicle frame, so when chain combine preceding fluted disc and after
When the lateral position difference of fluted disc is larger, fluted disc and rear tooth disk is lateral before can reducing by fluted disc mounting structure of the invention
The difference of position, so that the lateral force of fluted disc and rear tooth disk before chain pushes is reduced, and fluted disc and rear tooth disk and chain before reducing
Between frictional dissipation, keep speed change more smoothly, and reduce because chain and front and back fluted disc friction caused by noise.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the invention can
It is clearer and more comprehensible, it is special below to lift preferred embodiment, and cooperate attached drawing, detailed description are as follows.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of one embodiment of fluted disc mounting structure of the present invention.
Fig. 2 is the decomposition diagram of one embodiment of fluted disc mounting structure of the present invention.
Fig. 3 is the stereoscopic schematic diagram at another visual angle of the first sliding part in fluted disc mounting structure of the present invention.
Fig. 4 is the three-dimensional combination figure of fluted disc mounting structure of the present invention.
Fig. 5 A to Fig. 5 C is that cardon is made in the implementation of an embodiment of fluted disc mounting structure of the present invention.
Specific embodiment
For the present invention aforementioned and other technology contents, feature and effect, it is following cooperation with reference to schema one preferably
In the detailed description of embodiment, can clearly it present.The direction term being previously mentioned in following embodiment, such as: upper and lower, left,
It is right, front or rear etc., it is only the direction with reference to annexed drawings.Therefore, the direction term used is intended to be illustrative and not intended to limit
The present invention.
Fig. 1 is an embodiment of fluted disc mounting structure of the present invention: fluted disc mounting structure is incorporated into the solid of crank and fluted disc
Schematic diagram, Fig. 2 are the decomposition diagram of Fig. 1, and wherein fluted disc is omitted in Fig. 2.Please refer to Fig. 1 and Fig. 2, the fluted disc peace of the present embodiment
Assembling structure 100 is used to connect the fluted disc S and crank C of bicycle, and fluted disc mounting structure 100 is slided including sleeve member 10, first
Part 20, the second sliding part 30 and at least one guide member 40 (in figure for multiple), and installed along central axis X.Sleeve
Part 10 is fixedly arranged on the fluted disc S of bicycle, and the first sliding part 20 is connect with the crank C of bicycle, and the crank C connection of bicycle turns
Axis makes crank C be rotatably installed on the vehicle frame of bicycle (not shown).
First sliding part 20 of the present embodiment is axial to be sheathed in sleeve member 10, and the first sliding part 20 has at least one
First slot 22 (in figure for multiple).In the present embodiment, the first slot 22 is elongate slot.
Second sliding part 30 is axial to be sheathed between the first sliding part 20 and sleeve member 10, and the second sliding part 30 is equipped with extremely
Few second slot 32 (in figure for multiple).In the present embodiment, the second slot 32 is elongate slot, the first slot 22
Extending direction E1 be not parallel to the extending direction E2 of the second slot 32.Specifically, the first slot 22 and the second slot 32
One of them its extending direction is roughly parallel to central axis X, and the extending direction of another first slot 22 and the second slot 32 with
Acute angle theta, and 0 ° of 90 ° of < θ < are accompanied between central axis X.The best angle of the acute angle theta is 45 degree of angles.The present embodiment is with
The extending direction E1 of one slot 22 is roughly parallel to central axis X and presss from both sides between the extending direction E2 and central axis X of the second slot 32
For having an acute angle theta.In another embodiment, the extending direction E2 that can be the second slot 32 be roughly parallel to central axis X and
Acute angle theta is accompanied between the extending direction E1 and central axis X of one slot 22.
The inner wall 101 of sleeve member 10 is equipped at least one location hole 12 (being for multiple in figure).
Location hole 12, the first slot 22, the second slot 32 and guide member 40 quantity correspond to each other, such as schema.Guiding
One end of part 40 is set to location hole 12, and is radially arranged in the second slot 32 and is set to the first slot 22 with the other end.
Guide member 40 can for bolt, roller bearing or ball etc. can rolling element one of which, but not limited to this.
In this present embodiment, the location hole 12 of sleeve member 10 is set to the inner wall 101 of sleeve member 10, and guide member 40 is in order
Across the second slot 32 and it is inserted in the first slot 22 and is resisted against the inner wall 101 of sleeve member 10.When fluted disc mounting structure
100 by chain-driving generate pulling force when, in the axial direction, guide member 40 is limited because being resisted against inner wall 101 of sleeve member 10
System axial movement；In radial direction, guide member 40 can the first sliding part 20 the first slot 22 and the second sliding part 30
Moved in two slots 32, make the first sliding part 20 relative to sleeve member 10 move axially, and drive the second sliding part 30 relative to
Sleeve member 10 and the first sliding part 20 rotate.
The outer peripheral edge of the sleeve member 10 of the embodiment of the present invention can also be equipped at least one fluted disc mounting portion 14 (with multiple in figure
For), as shown in Figure 1, fluted disc mounting structure 100 is to be fixed with fluted disc mounting portion 14 and fixing element 80 with preceding fluted disc S,
In, fixing element is, for example, bolt, rivet etc., and but not limited to this.In addition, sleeve member 10 is cylindrical, and formed at edge
There is one first concave edge 16, is cooperated with the first concave edge 16 and crank C.
In the present embodiment, for sleeve member 10 for example with nine location holes 12, above-mentioned nine location holes 12 are formed in sleeve
The inner wall 101 of part 10, the quantity of guide member 40 are also accordingly nine, and guide member 40 is columned roller bearing, guide member
40 one end are resisted against the location hole 12 on 10 inner wall 101 of sleeve member, and the other end then extends through the second of the second sliding part 30
Slot 32 is simultaneously inserted in the first slot 22.
First sliding part 20 of the present embodiment includes cylindrical portion 27, is axially sheathed in sleeve member 10, the first above-mentioned slot
Hole 22 is formed in the outside wall surface 271 of cylindrical portion 27.The extending direction E1 of first slot 22 is axially parallel to cylindrical portion 27, the first slot
Hole 22 provides the distance that fluted disc mounting structure 100 moves axially.First sliding part 20 further includes base portion 23, mounting hole 24 and
Two concave edges 26, base portion 23 are connected to the inner wall 272 of cylindrical portion 27, have at the inner wall 272 of the adjacent cylindrical portion 27 of base portion 23
Recess 25, base portion 23 are equipped with mounting hole 24, and crank C is to be connect with configuration with mounting hole 2, and by fixing piece (not shown) by the
One sliding part 22 is fixed on crank C.And the second concave edge 26 of the first sliding part 20 is right with the first concave edge 16 of sleeve member 10
Together, crank C is provided to pass through.
In the present embodiment, the first sliding part 20 also may include at least one slot 28 (in figure for multiple), slot
28 be that corresponding first slot 22 is formed between 23 joint of inner wall 272 and base portion of cylindrical portion 27.Due to the first sliding part
20 for example with nine the first slots 22, also accordingly have nine slots 28.
In the present embodiment, fluted disc mounting structure 100 may also include the first limited part 50, be sheathed on the first sliding part 20
It is interior, and limit moving radially for guide member 40.First limited part 50 includes the first noumenon 52 and at least one (figure of limiting unit 54
In for multiple), the first noumenon 52 is annular in shape, and the recess 25 of configuration and the first sliding part 20 matches, and be, for example, with
272 close-fitting of inner wall of cylindrical portion 27；Limiting unit 54 is axially extending towards preceding fluted disc S by the edge of the first noumenon 52, in assembling
When, limiting unit 54 is inserted in the slot 28 of the first sliding part 20, and covers the first slot 22, is moved with limiting the radial of guide member 40
It is dynamic.In addition, the first limited part 50 may also include the 4th concave edge 56, when the first limited part 50 is sheathed in the first sliding part 20,
4th concave edge 56 in alignment with the first sliding part 20 the second concave edge 26, and in alignment with the first concave edge 16 of sleeve member 10, for song
Handle C passes through.
Second sliding part 30 of the present embodiment is cylindrical, is axially sheathed between the first sliding part 20 and sleeve member 10,
And second the extending direction E2 of the second slot 32 of sliding part 30 be not parallel to central axis X, i.e., the second slot 32 is relative to axis
To the inclined angle in direction.Second sliding part 30 may also include third concave edge 36, the second concave edge 26 and set with the first sliding part 20
First concave edge 16 of cylinder part 10 is aligned, and is provided crank C and is passed through.
In the present embodiment, the inclination angle of the second slot 32 and axial direction is acute angle theta, and 0 ° of 90 ° of < θ <.It is described sharp
The best angle of angle θ is 45 degree of angles.
Fluted disc mounting structure 100 of the invention further includes the second limited part 60, the second limited part 60 and the first sliding part 20
In conjunction with, and limit the second sliding part 30 with the first sliding part 20 and rotated along the outside wall surface 271 of the first sliding part 20.Second limited part
60 have the second ontology 62, and the second ontology 62 is for example annular in shape.In the axial direction, fluted disc mounting structure 100 is with the second limited part
60 the second ontology 62 and the first sliding part 20 are supported.
As shown in figure 3, the fluted disc mounting structure 100 of the present embodiment, wherein the side towards preceding fluted disc S of the first sliding part 20
To equipped with an at least fixation hole 21 (in figure for multiple)；Second ontology 62 of the second limited part 60 be equipped with it is corresponding at least
One 65 (in figures for multiple) of perforation.Again with fixing element 70, such as bolt, rivet etc., sequentially passes through perforation 65 and fix
Hole 21 is fixed by the first sliding part 20 and the second limited part 60, and makes the second sliding part 30 can be along the outside wall surface of the first sliding part 20
271 rotations.
In this present embodiment, the first sliding part 20 can be set there are four equidistant fixation hole 21, and the second limited part 60 can be set
There are corresponding four equidistant perforation 65, and perforation 65 and fixation hole 21 are sequentially passed through for the first sliding part with fixing element 70
20 and second limited part 60 it is fixed.
First sliding part 20 of fluted disc mounting structure 100 also may include that at least one first protrusion 29 (is with multiple in figure
Example), the first protrusion 29 is radially extended by the outer peripheral edge of the first sliding part 20；Second limited part 60 more may include at least one
Second protrusion 64 (in figure for multiple), the second protrusion 64 are radially extended to form by the outer peripheral edge of the second ontology 62；
Second sliding part 30 has the first edge 31 and second edge 33 being oppositely arranged.First edge 31 is equipped with towards crank C
At least one first limiting slot 34 (in figure for multiple) of corresponding first protrusion 29, towards the second edge of preceding fluted disc S
33 are equipped at least one second limiting slot 35 of corresponding second protrusion 64 (in figure for multiple).Wherein, the first protrusion 29
Width W1 the width W2 less than the first limiting slot 34, the width W4 of the width W3 of the second protrusion 64 less than the second limiting slot 35.
In this way, which first limiting slot 34 and the second limiting slot 35 provide when the second sliding part 30 is rotated relative to the first sliding part 20
64 1 movable distance of first protrusion 29 and the second protrusion, and prevent the second sliding part 30 from making guide member 40 inclined because excessively rotating
It moves.
In the present embodiment, there are three the first protrusion 29, the first protrusion 29 is equally spaced in outer wall the first sliding part 20 tool
The side neighbouring crank C in face 271, there are three the first limiting slot 34, the first limiting slots for the formation of first edge 31 of the second sliding part 30
34 position corresponds to the position of the first protrusion 29 of the first sliding part 20；The second protrusion 64 that there are four second limited part 60 tools,
Second protrusion 64 is set to the outer peripheral edge of the second ontology 62 each other equidistantly, and the second edge 33 of the second sliding part 30 is formed with
Four the second limiting slots 35, the position of the second limiting slot 35 correspond to the position of the second protrusion 64 of the second limited part 60.First
Protrusion 29 is matched with the first limiting slot 34, and the second protrusion 64 is matched with the second limiting slot 35, and the width W2 of the first limiting slot 34
It is greater than the width W3 of the second protrusion 64 greater than the width W1 of the first protrusion 29, the width W4 of the second limiting slot 35, makes the second sliding
Part 30 can only do limited rotation along the outer peripheral surface of the first sliding part 20.
Such as Fig. 4, be combined into when sleeve member 10, the first sliding part 20, the second sliding part 30 and guide member 40 shown in knot
When structure, the crank C of Fig. 1 is incorporated into the first sliding part 20, and the preceding fluted disc S of Fig. 1 is incorporated into sleeve member 10, and sleeve member 10 is by guiding
Part 40 is axially displaceably coupled to the first sliding part 20.When user's pushes pedals rotate crank C, sleeve will drive
Part 10 rotates, to make to rotate with the affixed preceding fluted disc S of sleeve member 10.Preceding fluted disc S herein may include single fluted disc or including
The fluted disc of multiple and different sizes, Fig. 1 are by taking single fluted disc as an example.
In the prior art, when user carry out speed change when, chain via derailleur stir afterwards be incorporated into it is different before
Fluted disc and rear tooth disk, thus generate different speed change combinations.And when the preceding fluted disc of chain combination and the lateral position of rear tooth disk are poor
When different larger, a biggish lateral force can be generated, while the chain of fluted disc and rear tooth disk before connecting being made to generate biggish inclination angle,
It allows between chain and fluted disc and is relatively also easy to produce noise and abrasion.In order to improve this problem, first sliding part 20 of the present embodiment by
First slot 22 can axially move relative to sleeve member 10, and the second sliding part 30 is by the second slot with tilt angle
32 radially move relative to sleeve member 10.Therefore current fluted disc chain elapses and changes the lateral position of preceding fluted disc and rear tooth disk
When change, fluted disc mounting structure 100 can adapt to axial force and radial force caused by lateral force simultaneously, reduce fluted disc before chain pushes
With the lateral force of rear tooth disk.
Fig. 5 A to Fig. 5 C is the showing when sleeve member of the fluted disc mounting structure of one embodiment of the invention is moved to different location
It is intended to.In Fig. 5 A to Fig. 5 C, preceding fluted disc S is by taking single fluted disc as an example, and multiple fluted discs that rear tooth disk P has size different, figure
The chain Q of 5A to Fig. 5 C is linked to three different fluted discs of size in rear tooth disk P, and wherein chain Q is only with partially schematic, then tooth
Fluted disc in disk P is also omitted sprocket and is only illustrated with disk.
When user carries out speed change, and keeps the position of chain contact rear tooth disk P mobile as shown in Fig. 5 A to Fig. 5 B, sleeve
Part 10 is moved axially relative to the first sliding part 20 towards crank C, and the preceding fluted disc S for being fixed on sleeve member 10 is shifted along.
It is therefore seen that change of the guide member 40 in 32 position of the second slot of the second sliding part 30, by the closer preceding fluted disc S of Fig. 5 A
It is moved to 32 middle of the second slot of Fig. 5 B.Also it can be seen that, the end face 201 of the end face 17 of sleeve member 10 and the first sliding part 20
The change of relative position be moved to the end face 201 of Fig. 5 B by the end face 201 of Fig. 5 A compared to the closer crank C in end face 17
It is substantially aligned with end face 17.
When the movement of the position of chain contact rear tooth disk P is as shown in Fig. 5 B to Fig. 5 C, sleeve member 10 is relative to the first sliding
Part 20 is moved axially in towards crank C, and the preceding fluted disc S for being fixed on sleeve member 10 is shifted along.It can thus be seen that guide member
40 32 position of the second slot of the second sliding part 30 change, by 32 middle of the second slot of Fig. 5 B be moved to Fig. 5 C compared with
At crank C.Also it can be seen that the change of the relative position of the end face 17 of sleeve member 10 and the end face 201 of the first sliding part 20,
It is substantially aligned by end face 17 in Fig. 5 B and end face 201, be moved in Fig. 5 C end face 201 compared to the closer fluted disc S in end face 17 at.
The fluted disc mounting structure 100 of the present embodiment by sleeve member 10 can relative to the first sliding part 20 in axial movement,
It is displaced sideways the preceding fluted disc S for being fixed on sleeve member 10 relative to vehicle frame, i.e., is displaced sideways relative to rear tooth disk, such as
This installs knot when the lateral position difference of the chain Q preceding fluted disc S combined and rear tooth disk P is larger, by the fluted disc of the present embodiment
The difference of the lateral position of fluted disc S and rear tooth disk P before structure 100 can be reduced, so that reducing chain Q pushes preceding fluted disc S and rear tooth
The lateral force of disk P, and the frictional dissipation before reducing between fluted disc S and rear tooth disk P and chain Q, keep speed change more smoothly, and reduce
Because of noise caused by chain Q and preceding fluted disc S, rear tooth disk P friction.
In addition, 100 utilizations of fluted disc mounting structure of the invention are incorporated into guide member 40 and the first sliding of sleeve member 10
Relative movement between first slot 22 of part 20 may achieve make before fluted disc do the effect being displaced sideways, and described in background technique
United States Patent (USP) US 6173982 compare, there is fairly simple structure, do not need using more than complicated and quantity metal block with
The construction as joint that bolt is formed, can save the cost of manufacture assembling, and reduce the risk of overall mechanism failure.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the method and technique content using the disclosure above make it is a little more
Equivalent embodiment that is dynamic or being modified to equivalent variations, but anything that does not depart from the technical scheme of the invention content, according to the present invention
Technical spirit any simple modification, equivalent change and modification to the above embodiments, still fall within technical solution of the present invention
In the range of.In addition, the terms such as " first " that refers in this specification or claim, " second " are only to name element
(element) title or the different embodiments of difference or range, and not it is used to the quantitative upper limit of restriction element or lower limit.
Claims (10)
1. a kind of fluted disc mounting structure, which links fluted disc and crank along central axis, which is characterized in that should
Fluted disc mounting structure includes:
Sleeve member, with inner wall and outside wall surface, and the outside wall surface is provided with an at least fluted disc mounting portion, to connect the tooth
Disk, and the inner wall is equipped at least a positioning hole；
First sliding part is connect with the crank, and is sheathed in the sleeve member and has at least one first slot；
Second sliding part is sheathed between the sleeve member and first sliding part, and have at least one second slot, respectively this second
The extending direction of slot is not parallel to the extending direction of respectively first slot；And
An at least guide member, one end of the guide member are set to the location hole, and are arranged in second slot and radially with another
One end is set to first slot, and wherein the guide member is arranged in first slot and makes first sliding part can be relative to the set
Cylinder part axial movement, the guide member pass through second slot and enable second sliding part, first slot and second slot
It is limited relative to the sleeve member and first sliding part rotation.
2. fluted disc mounting structure according to claim 1, which is characterized in that the fluted disc mounting structure further includes the first limit
Product is sheathed in first sliding part, and limits moving radially for an at least guide member.
3. fluted disc mounting structure according to claim 2, which is characterized in that respectively first limited part include the first noumenon with
And an at least limiting unit, the first noumenon is annular in shape, and an at least limiting unit by the edge of the first noumenon towards the fluted disc
It is axially extending, when first limited part is sheathed in first sliding part, an at least limiting unit cover this at least one first
Slot, to limit this, at least a guide member is moved radially.
4. fluted disc mounting structure according to claim 3, which is characterized in that first sliding part includes base portion, cylindrical portion
And an at least slot, at least one first slot are set to the outside wall surface of the cylindrical portion, which is connected to the interior of the cylindrical portion
Wall surface, the base portion are equipped with mounting hole to connect with the crank；An at least slot is formed in the inner wall of the cylindrical portion and is somebody's turn to do
Base portion joint, and engage with the limiting unit of first limited part and cover at least one first slot, to limit this at least
One guide member moves radially.
5. fluted disc mounting structure according to claim 1, which is characterized in that the fluted disc mounting structure further includes the second limit
Product is incorporated into first sliding part, and limits second sliding part along the outer wall of first sliding part with first sliding part
Face rotation.
6. fluted disc mounting structure according to claim 5, which is characterized in that first sliding part is fixed equipped at least one
Hole, which corresponds to an at least fixation hole equipped at least one perforation, and the corresponding fixation hole is with the perforation
Locked with fixing element.
7. fluted disc mounting structure according to claim 5, which is characterized in that the edge of first sliding part is formed at least
One first protrusion, which radially extended by the outer peripheral edge of first sliding part；Second limited part
With the second ontology and at least one second protrusion, second ontology is annular in shape, and at least one second protrusion is by this second
The outer peripheral edge of body radially extends to form；Second sliding part is cylindrical and has the first edge that is oppositely arranged and the
Two edges, the first edge correspond to first protrusion and are formed at least one first limiting slot, and it is second prominent which corresponds to this
Rise and be formed at least one second limiting slot, at least one first protrusions match at least one first limiting slot and this at least 1 the
Two protrusions match are at least one second limiting slot；Wherein, respectively the width of first limiting slot is greater than the width of each first protrusion
Degree, respectively the width of second limiting slot is greater than the width of respectively second protrusion, makes second sliding part along first sliding part
Outside wall surface rotates in a limited degree.
8. fluted disc mounting structure according to claim 1, which is characterized in that an at least guide member be bolt, roller bearing and
Ball etc. can rolling element one of which.
9. fluted disc mounting structure according to claim 1, which is characterized in that respectively first slot and respectively second slot
One of them its extending direction is roughly parallel to the central axis, and the extension of another respectively first slot and respectively second slot
Acute angle theta, and 0 ° of 90 ° of < θ < are accompanied between direction and the central axis.
10. fluted disc mounting structure according to claim 9, which is characterized in that the acute angle theta is 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711070153.3A CN109747768A (en) | 2017-11-03 | 2017-11-03 | fluted disc mounting structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711070153.3A CN109747768A (en) | 2017-11-03 | 2017-11-03 | fluted disc mounting structure |
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| CN109747768A true CN109747768A (en) | 2019-05-14 |
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| CN201711070153.3A Withdrawn CN109747768A (en) | 2017-11-03 | 2017-11-03 | fluted disc mounting structure |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1057236A (en) * | 1990-06-11 | 1991-12-25 | 米齐尔·杰·穆里恩 | Automatic derailleur shifter |
| US6173982B1 (en) * | 1998-08-19 | 2001-01-16 | W. David Westergard | Self aligning crank assembly and method |
| CN104039641A (en) * | 2011-07-08 | 2014-09-10 | 帕哈设计有限责任公司 | Floating front ring |
| US20150274253A1 (en) * | 2014-03-26 | 2015-10-01 | Shimano Inc. | Bicycle crank assembly |
| CN107031786A (en) * | 2015-12-15 | 2017-08-11 | Sram德国有限公司 | Fluted disc |
| CN107082102A (en) * | 2016-02-12 | 2017-08-22 | 株式会社岛野 | Bicycle transmission system and its multiple rear sprocket assembly |
-
2017
- 2017-11-03 CN CN201711070153.3A patent/CN109747768A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1057236A (en) * | 1990-06-11 | 1991-12-25 | 米齐尔·杰·穆里恩 | Automatic derailleur shifter |
| US6173982B1 (en) * | 1998-08-19 | 2001-01-16 | W. David Westergard | Self aligning crank assembly and method |
| CN104039641A (en) * | 2011-07-08 | 2014-09-10 | 帕哈设计有限责任公司 | Floating front ring |
| US20150274253A1 (en) * | 2014-03-26 | 2015-10-01 | Shimano Inc. | Bicycle crank assembly |
| CN107031786A (en) * | 2015-12-15 | 2017-08-11 | Sram德国有限公司 | Fluted disc |
| CN107082102A (en) * | 2016-02-12 | 2017-08-22 | 株式会社岛野 | Bicycle transmission system and its multiple rear sprocket assembly |
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