CN208789864U - A kind of turning of bicycle link mechanism - Google Patents
A kind of turning of bicycle link mechanism Download PDFInfo
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- CN208789864U CN208789864U CN201821444390.1U CN201821444390U CN208789864U CN 208789864 U CN208789864 U CN 208789864U CN 201821444390 U CN201821444390 U CN 201821444390U CN 208789864 U CN208789864 U CN 208789864U
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- link mechanism
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Abstract
Originally practical to disclose a kind of turning of bicycle link mechanism, belong to mechanical steering transmission field, it is a kind of bilateral Tiebar structure with angle limit, the turning of bicycle link mechanism is mounted between vehicle frame and front-wheel front fork to be turned to for front wheel, it is characterised in that it includes turning to vertical tube, steering linkage, turning to double-action plate, the first transmission connection piece, the second transmission connection piece and universal shaft.This is practical especially suitable for middle article carrying bicycle, on the one hand the structure solves the disadvantage that discontinuity equalization, poor rigidity in traditional unilateral simplex pull rod structure, on the other hand the steering angle limit film of setting can ensure steering linkage can safe and reliable operation, avoid movement interference.
Description
Technical field
Originally practical to belong to mechanical steering transmission field more particularly to a kind of turning of bicycle link mechanism.
Background technique
Bicycle also has both certain loading function as the main means of transport of the daily commuting of people, and standard bicycle carries
Object location is divided into preposition and postposition, and preposition loading refers to that by way of preceding shelf or front basket loading, postposition loading refers to logical
Later shelf or the mode of rear bicycle basket loading.Either preposition or postposition, in climb and fall, since center of gravity can incline forward or backward
Tiltedly, it easily causes to shake, safety coefficient is low.Meanwhile if loading volume, weight are excessive, there are larger security risks.Therefore,
For above situation it is proposed that kinds of goods, i.e., is placed the middle part of bicycle, center of gravity is put into whole by middle article carrying bicycle
The steadily of centre of gravity of vehicle can be maximally maintained among vehicle under loading state.But middle article carrying bicycle structure is more multiple
Miscellaneous, standard bicycle handlebar, which is mounted on standpipe of front fork, goes to realization turning function drive front fork by carrousel, and in set
It needs to realize turning function using steering linkage connection side between formula article carrying bicycle front fork and handlebar.
Then, the steering mechanism of existing middle article carrying bicycle is unilateral simplex pull rod structure, before operation fork turn to or
Apparent discontinuity equalization sense can be experienced by returning timing.Meanwhile there is also defects in mechanism rigidity for simplex pull rod.Further,
The steering mechanism of existing middle article carrying bicycle lacks necessary angle limit or limiting steering device, and easy oversteering is made
At movement interference.
Utility model content
In view of this, this is practical using duplex pull rod position limiting structure, especially suitable for middle article carrying bicycle, the structure one
Aspect solves the disadvantage that discontinuity equalization, poor rigidity in traditional unilateral simplex pull rod structure, on the other hand the steering angle of setting
Limit film can ensure steering linkage can safe and reliable operation, avoid movement interference.
Originally practical to be solved the above problems by following technological means:
A kind of turning of bicycle link mechanism is mounted between vehicle frame and front-wheel front fork and turns to for front wheel,
It is characterized in that, including turns to vertical tube, steering linkage, turns to double-action plate, the first transmission connection piece, the second transmission connection piece and universal
Axis, in which:
The steering vertical tube is rotatably mounted in the vertical annulus of vehicle frame；
The quantity of the steering linkage is two, and steering linkage is divided into left steering pull rod and right turn pull rod；
Described turn to is mounted on the bottom for turning to vertical tube and can follow steering vertical tube rotation in the middle part of double-action plate；
The both ends for turning to double-action plate are separately installed with the first transmission connection piece, the quantity of first transmission connection piece
It is divided into left first transmission connection piece and right first transmission connection piece for two, the first transmission connection piece；
The quantity of second transmission connection piece is two and is divided into the second transmission connection of left second transmission connection piece and the right side
Part, one end of left second transmission connection piece connect left first transmission connection piece, left second transmission connection piece it is another
End connection left steering pull rod, one end of right second transmission connection piece connect right first transmission connection piece, and described right second passes
The other end of follower link connects right turn pull rod；
The other end of the left steering pull rod and the other end of right turn pull rod pass through universal shaft and connect with front-wheel front fork.
Further, described turn to is provided with the mesoporous that installation turns to vertical tube in the middle part of double-action plate, turns to the two of double-action plate
End is provided with the side opening of the first transmission connection piece of installation, turns to and is provided with centrosymmetric two steering angles limit on double-action plate
Piece.
Further, the steering angle limit film is V-structure, and the side of the V-structure can be in the steering
Double-action plate is bonded the vehicle frame and avoids oversteering when rotating to certain angle.
Further, first transmission connection piece includes shaft and the U-shaped link slot that is arranged on shaft side wall, described
Cell wall hole is provided on U-shaped link slot.
Further, second transmission connection piece is the hollow cylinder structure of side fluting, and the fluting edge is outside
It digs to form connection wall, cell wall hole is provided in the connection wall, the hollow cylinder structure is close to the first transmission connection piece
One end is provided with connection flat head with holes.
Further, the steering linkage includes successively connected straight-bar, the first connecting bend, outer spreader bar, the second connection
Elbow, upper brace and third connecting bend, wherein one end of the straight-bar is mounted in the second transmission connection piece, the third
Elbow is connect by universal shaft with front-wheel front fork.
Further, the pedestal of installation universal shaft is provided on the yoke of the front-wheel front fork.
Further, the medium position of yoke is arranged in the pedestal of the universal shaft.
A kind of this practical turning of bicycle link mechanism has the advantages that
(1) steering linkage can improve existing simplex pull rod structure in operation unbalance stress the case where, improve turn
Safety to structure entirety.Left lever, right pull rod are that front-wheel front fork is separately connected by universal shaft, which can be real
It is now longitudinally, laterally driven, therefore, whole system can effectively be cleared up external dry in normal use or when being interfered by burst external force
Power is related to, the operation stability of product is improved.
(2) it turns to symmetrically arranged steering angle limit film on double-action plate and effectively increases vehicle security, avoid excessively
Movement interference or security risk caused by steering.
(3) when the vertical angles of front-wheel front fork and steering vertical tube are not identical, the first transmission connection piece and the second transmission connect
The longitudinally, laterally multiple degrees of freedom connection type of fitting dead angle can occur to avoid link mechanism.
Detailed description of the invention
It is further described with reference to the accompanying drawings and examples to originally practical.
Fig. 1 is a kind of positive structure schematic of turning of bicycle link mechanism of this practical offer；
Fig. 2 is a kind of bottom substance schematic diagram of turning of bicycle link mechanism of this practical offer；
Fig. 3 is a kind of concrete application schematic diagram of turning of bicycle link mechanism of this practical offer；
Fig. 4 is this practical middle vehicle frame and the mounting structure schematic diagram for turning to vertical tube；
Fig. 5 is this practical middle mounting structure schematic diagram for turning to double-action plate；
Fig. 6 is the mounting structure schematic diagram of this practical middle steering linkage and front-wheel front fork.
In figure, 1- front-wheel front fork, 101- pedestal, 2- vehicle frame, 201- casing, 3- turn to vertical tube, 4- steering linkage, the left side 41-
The outer spreader bar of the right pull rod of pull rod, 42-, 401- straight-bar, the first connecting bend of 402-, 403-, the second connecting bend of 404-, 405- are upper oblique
Bar, 406- third connecting bend, 5- steering double-action plate, 501- mesoporous, 502- side opening, 503- steering angle limit film, 504- are solid
Determine component, the first transmission connection piece of 6-, 601- shaft, 602-U type link slot, 603- cell wall hole, the second transmission connection piece of 7-,
701- fluting, 702- connection wall, 703- connection flat head, 8- universal shaft.
Specific embodiment
In this practical description, it is to be understood that term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship, be merely for convenience of description this it is practical and simplify description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation practical to this.Art
Language " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicate institute
The quantity of the technical characteristic of instruction." first " is defined as a result, the feature of " second " can explicitly or implicitly include one
Or more this feature.In this practical description, unless otherwise indicated, the meaning of " plurality " is two or more.
It is described in detail below with reference to attached drawing to originally practical.
As shown in Figure 1, Figure 2 and Figure 3, a kind of turning of bicycle link mechanism is mounted between front-wheel front fork 1 and vehicle frame 2 and uses
It is turned in front wheel.Wherein, steering linkage includes turning to vertical tube 3, steering linkage 4, turning to the biography of double-action plate 5, first
Follower link 6, the second transmission connection piece 7 and universal shaft 8.
It is rotatably mounted in the vertical annulus 201 of vehicle frame 2 specifically, turning to vertical tube 3, turns to vertical tube 3 and casing 201
Between shaft can be set with realize turn to vertical tube 3 rotatable installation, turn to vertical tube 3 top be connected with bogie car or turn
To disk, the bottom for turning to vertical tube 3, which is connected with, turns to double-action plate 5.
In Fig. 1, the quantity of steering linkage 4 is two, and steering linkage 4 is divided for left steering pull rod 41 and right turn pull rod 42,
Cooperate with each other the steering work for front-wheel.Specifically, steering linkage 4 includes the straight-bar 401, first being fixedly connected sequentially
Connecting bend 402, outer spreader bar 403, the second connecting bend 404, upper brace 405 and third connecting bend 406, wherein straight-bar 401
One end be mounted in the second transmission connection piece 7, third elbow is connect by universal shaft 8 with front-wheel front fork 1.
It should be noted that straight-bar 401, the first connecting bend 402, outer spreader bar 403, the second connecting bend 404, upper brace
Casing connection can be used between 405 and third connecting bend 406, can also be directly using being welded and fixed.From Fig. 1 and Fig. 3
As can be seen that
During rotation in order to avoid steering linkage 4, movement interference occurs with front-wheel and front mudguard, and also to
It avoids steering linkage 4 and loading frame from interfering and can be realized maximum angle of turn, steering linkage 4 is specially designed to straight-bar
401, the shape and structure that outer spreader bar 403 is combined with upper brace 405.
As shown in Figure 4 and Figure 5, the middle part for turning to double-action plate 5 is provided with the mesoporous 501 that installation turns to vertical tube 3, turns to and interlocks
The both ends of piece 5 are provided with the side opening 502 of the first transmission connection piece 6 of installation, turn to and are provided with centrosymmetric two on double-action plate 5
Steering angle limit film 503.
In figure, the steering angle limit film 503 of this implementation is V-structure, and the side of V-structure can turn to double-action plate
5, which are bonded vehicle frame 2 when rotating to certain angle, avoids oversteering.
Specifically, the middle part for turning to double-action plate 5 is mounted on the bottom for turning to vertical tube 3 by fixation kit 504 and can be with
It being rotated with vertical tube 3 is turned to, the both ends for turning to double-action plate 5 are separately installed with the first transmission connection piece 6,
Fixation kit 504 include turn to the standing screw of 3 bottom of vertical tube and be mounted on standing screw and mesoporous 501 it
Between bearing.It is left first transmission connection piece and the right side that the quantity of first transmission connection piece 6, which is two, the first transmission connection piece 6 divides
First transmission connection piece.
It should be noted that the first transmission connection piece 6 includes shaft 601 and the U-shaped connection being arranged on 601 side wall of shaft
Slot 602 is provided with cell wall hole on U-shaped link slot 602.The shaft 601 of first transmission connection piece 6 passes through plain bolt and the company of steering
The side opening 502 of movable plate 5 connects.
Specifically, the quantity of the second transmission connection piece 7 is two and is divided into the second transmission of left second transmission connection piece and the right side
Connector.It should be noted that the second transmission connection piece 7 be side fluting 701 hollow cylinder structure, fluting 701 edges to
It digs to form connection wall 702 outside, cell wall hole is provided in connection wall 702, hollow cylinder structure is close to the first transmission connection piece 6
One end is provided with connection flat head 703 with holes.
When specific connection, the connection flat head 703 of left second transmission connection piece is connected by plain bolt and the first transmission of a left side
The U-shaped link slot 602 of fitting connects, and the inside of left second transmission connection piece is equipped with left steering pull rod 41, since a left side second passes
The side fluting 701 of follower link, therefore bolt or screw are used after left steering pull rod 41 fills in left second transmission connection piece
Fastening tenses connection wall 702 so that the internal diameter of left second transmission connection piece is reduced, and realization left steering pull rod 41 and a left side second are driven
Connector is tightly fastened.Similarly, the connection flat head 703 of right second transmission connection piece is passed by bolt (number) and the right side first
The U-shaped link slot 602 of follower link connects, and the inside of right second transmission connection piece is equipped with right turn pull rod 42, due to right the
The side fluting 701 of two transmission connection pieces, thus after right turn pull rod 42 fills in right second transmission connection piece using bolt or
Fastened by screw tenses connection wall 702 so that the internal diameter of right second transmission connection piece is reduced, realizes right turn pull rod 42 and a left side second
Transmission connection piece is tightly fastened.
As shown in fig. 6, the other end of left steering pull rod 41 and the other end of right turn pull rod 42 pass through universal shaft 8 with before
Front fork 1 is taken turns to connect.In figure, the pedestal 101 of installation universal shaft 8, the pedestal 101 of universal shaft 8 are provided on the yoke of front-wheel front fork 1
The medium position of yoke is set.
Specifically, oscillating bearing universal shaft of the universal shaft 8 using ST-8TK model.
In actual work, user's carrousel handle, handlebar, which successively drives, to be turned to vertical tube 3, turns to the rotation of double-action plate 5, the company of steering
The rotation of movable plate 5 will drive left first transmission connection piece and right first transmission connection piece movement, due to left first transmission connection piece
The two sides for turning to double-action plate 5 are separately positioned on the first transmission connection piece of the right side, therefore left first transmission connection piece and the right side first pass
The direction of motion of follower link is different, when left first transmission connection piece stretches out, right first transmission connection piece withdrawal；When a left side first
When transmission connection piece is withdrawn, right first transmission connection piece stretches out.Since the first transmission connection piece 6 passes through the second transmission connection piece 7
Steering linkage is connected, therefore, turns to the forward and backward of double-action plate 5, left lever 41 and right pull rod 42 will be driven to push away respectively, roping
Dynamic, the pushing away of left lever 41 and right pull rod 42, roping be dynamic to be can be realized front-wheel front fork 1 by the rotation of universal shaft 8 and rotates special angle.
In steering procedure, the side of steering angle limit film 503 can be bonded vehicle frame 2 and avoid oversteering.
Finally, it should be noted that above embodiments are only to illustrate this practical technical solution, rather than its limitations；Although
It is described in detail with reference to the foregoing embodiments to originally practical, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, the spirit of this practical each embodiment technical solution that it does not separate the essence of the corresponding technical solution and
Range.
Claims (8)
1. a kind of turning of bicycle link mechanism is mounted between front-wheel front fork (1) and vehicle frame (2) and turns for front wheel
To, which is characterized in that including turning to vertical tube (3), steering linkage (4), turning to double-action plate (5), the first transmission connection piece (6), the
Two transmission connection pieces (7) and universal shaft (8), in which:
Turn to vertical tube (3) are rotatably mounted in the vertical annulus (201) of vehicle frame (2)；
The quantity of the steering linkage (4) is two, and steering linkage (4) is divided into left steering pull rod (41) and right turn pull rod
(42)；
Described turn to is mounted on the bottom for turning to vertical tube (3) and can follow steering vertical tube (3) rotation in the middle part of double-action plate (5)；
The both ends for turning to double-action plate (5) are separately installed with the first transmission connection piece (6), first transmission connection piece (6)
Quantity be two, the first transmission connection piece (6) is divided into left first transmission connection piece and right first transmission connection piece；
The quantity of second transmission connection piece (7) is two and is divided into the second transmission connection of left second transmission connection piece and the right side
Part, one end of left second transmission connection piece connect left first transmission connection piece, left second transmission connection piece it is another
End connection left steering pull rod (41), one end of right second transmission connection piece connect right first transmission connection piece, and described right the
The other end of two transmission connection pieces connects right turn pull rod (42)；
Before the other end of the left steering pull rod (41) and the other end of right turn pull rod (42) pass through universal shaft (8) and front-wheel
Pitch (1) connection.
2. a kind of turning of bicycle link mechanism as described in claim 1, which is characterized in that steering double-action plate (5)
Middle part is provided with the mesoporous (501) that installation turns to vertical tube (3), and the both ends for turning to double-action plate (5) are provided with the first transmission of installation and connect
The side opening (502) of fitting (6) turns to and is provided with centrosymmetric two steering angle limit films (503) on double-action plate (5).
3. a kind of turning of bicycle link mechanism as claimed in claim 2, which is characterized in that the steering angle limit film
It (503) is V-structure, the side of the V-structure can be bonded institute when the steering double-action plate (5) rotates to certain angle
It states vehicle frame (2) and avoids oversteering.
4. a kind of turning of bicycle link mechanism as claimed in claim 3, which is characterized in that first transmission connection piece
(6) include shaft (601) and U-shaped link slot (602) on shaft (601) side wall is set, on the U-shaped link slot (602)
It is provided with cell wall hole.
5. a kind of turning of bicycle link mechanism as claimed in claim 4, which is characterized in that second transmission connection piece
It (7) is the hollow cylinder structure of side fluting (701), described fluting (701) edge is dug to form connection wall (702), institute outward
It states and is provided with cell wall hole on connection wall (702), the hollow cylinder structure is provided with close to one end of the first transmission connection piece (6)
Connection flat head (703) with holes.
6. a kind of turning of bicycle link mechanism as claimed in claim 5, which is characterized in that the steering linkage (4) includes
Successively connected straight-bar (401), the first connecting bend (402), outer spreader bar (403), the second connecting bend (404), upper brace
(405) and third connecting bend (406), wherein one end of the straight-bar (401) is mounted in the second transmission connection piece (7), institute
Third connecting bend is stated to connect by universal shaft (8) with front-wheel front fork (1).
7. a kind of turning of bicycle link mechanism as claimed in claim 6, which is characterized in that the fork of the front-wheel front fork (1)
The pedestal (101) of installation universal shaft (8) is provided on arm.
8. a kind of turning of bicycle link mechanism as claimed in claim 7, which is characterized in that the pedestal of the universal shaft (8)
(101) medium position of yoke is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821444390.1U CN208789864U (en) | 2018-09-05 | 2018-09-05 | A kind of turning of bicycle link mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821444390.1U CN208789864U (en) | 2018-09-05 | 2018-09-05 | A kind of turning of bicycle link mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208789864U true CN208789864U (en) | 2019-04-26 |
Family
ID=66208277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821444390.1U Active CN208789864U (en) | 2018-09-05 | 2018-09-05 | A kind of turning of bicycle link mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208789864U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110877651A (en) * | 2018-09-05 | 2020-03-13 | 天津市路士美科技发展有限公司 | Steering linkage mechanism of bicycle |
| EP3868637A1 (en) | 2020-02-21 | 2021-08-25 | Koninklijke Gazelle N.V. | Bike |
-
2018
- 2018-09-05 CN CN201821444390.1U patent/CN208789864U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110877651A (en) * | 2018-09-05 | 2020-03-13 | 天津市路士美科技发展有限公司 | Steering linkage mechanism of bicycle |
| EP3868637A1 (en) | 2020-02-21 | 2021-08-25 | Koninklijke Gazelle N.V. | Bike |
| NL2024962B1 (en) | 2020-02-21 | 2021-10-13 | Koninklijke Gazelle N V | Bike |
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