CN2366345Y - Angle adjustable handle bar of bicycle - Google Patents
Angle adjustable handle bar of bicycle Download PDFInfo
- Publication number
- CN2366345Y CN2366345Y CN 99205567 CN99205567U CN2366345Y CN 2366345 Y CN2366345 Y CN 2366345Y CN 99205567 CN99205567 CN 99205567 CN 99205567 U CN99205567 U CN 99205567U CN 2366345 Y CN2366345 Y CN 2366345Y
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- Prior art keywords
- cam
- handle device
- rear end
- bicycle
- hollow cylinder
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Abstract
The utility model relates to an angle adjustable handle device of a bicycle, which comprises an operating rod, a casing, a cam operation zone, and a guide hole, wherein, the operating rod comprises a cam; the rear end of a tension rod is eccentrically connected to the cam; the casing comprises a hollow cylinder body and a containing part which is formed on the front part of the hollow cylinder body; a movable cover is arranged on the front end of an opening of the casing, and a fixing tooth is formed in the containing part and separated from the inner side of the hollow cylinder body and contacted with a shaft sleeve to be used for blocking one blocking part on the rear end of the hollow cylinder body. The cam operation zone is provided with three side openings on the outer side of the blocking part to be used for allowing the cam to eccentrically move, and the guide hole is used for guiding the rear end of the tension rod into the cam operation zone. The angle adjustable handle device of a bicycle provides a stable device structure and an improved appearance.
Description
The present invention relates to the bicycle handle device of adjustable angle joint, it can regulate an angle of declination of a bicycle handle.
Usually, common bicycle provides two wheels, be used for to wheel transmit a propulsive force pedal, be connected a chain between a wheel and the pedal, have a reservation shape with a vehicle frame of rotatably support wheel, be installed in a vehicle seat and leader on the vehicle frame.
Known various types of grip structure for example by making handle further downward-sloping, is used for a treadle effort of a bicyclist is passed to the biglyyest leader's structure of wheel; The one Level handle structure that can reach with a short range with the hand that is sitting in the bicyclist on the vehicle seat.
The type of handle has a horizontal structure or a warp architecture, and this depends on user's use.The grip structure of level is unsuitable for racing car or long distance travel, and crooked grip structure then is unsuitable for short range and travels, for example carrying load etc.Particularly, Gu Ding riding posture may cause waist, shoulder etc. to locate to produce the muscle problem.
Recently, promoted a kind of family expenses bicycle, it has as a push structure of bicycle feature and leader's structure.Yet the handle of making is or is the single form of horizontal class or crooked class.In the situation of bent handle, housewife or beginner are difficult for freely riding.Because a unsettled riding posture, a fixing Level handle for the user and be out of favour.In order in this structure, to guarantee a stable posture, the height of scalable one vehicle seat, but the user can not be crooked or upholds its back, to adapt to their height.
If a mono-grip structure can be changed to a horizontal shape or a curved shape according to user's height, then can address the above problem easily.
The clear 58-209674 of Japanese Patent Application Publication has disclosed a device of an angle that is used to regulate a bicycle handle, and wherein two handlebar stems are divided into left and right handle on the top of a steering shaft, to regulate a upper and lower angle.This left and right handle can be regulated identical angle up and down, because the engagement of they and tooth portion.
In order after adjusting one angle up and down, to carry out temporary transient locking, form the tooth of protrusion at the front end of tooth portion, and the fwd one lid structure of the tooth that is arranged on this protrusion movably is provided.
Therefore, be connected to the end that a tie rod that covers on the tooth passes tooth, and make a cam rotation by a predetermined device then, thus with engagement of lid tooth or disengagement.
A traditional locking structure that has a pin shape cam forms a control desk, and it is connected on the tie rod of the axle sleeve back that is positioned at tooth, and is inserting a shaft-like cam that is connected on the control lever between control desk and the tie rod.This is such structure, and the two ends of its cam are arranged between the tie rod, and is not provided for preventing cam accentric device.Therefore, the defective of the rotational force that needs one were very big when this structure had frequent damage and carries out a locking or releasing operation on the surface that is angle with respect to one of cam, even the smooth motion with respect to the one curved surface is provided, thereby can not provide level and smooth locking and releasing operation fully.
And, in order to address the above problem, Korean Utility Model Registration No. No.91480 (the open No.95-5336 of utility model) by same applicant's registration discloses a kind of cam tension structure, wherein a tie rod is installed in rotation on the pivotally attached camshaft, this camshaft is formed on the rear end of tie rod, and is provided with the control desk with a hook on this camshaft movingly.
But, owing to further extend to the rear end of housing as the control desk of mobile device, so using or making troubles in appearance.And the tension spacing that moves because of cam among clear 58-209674 of Japanese Patent Application Publication and the Korean Utility Model Registration No. No.91480 depends on the limited outer circumference surface of cam.Therefore, its defective is, the thickness that should increase cam is to elongate the motion of translation distance, and work as locking or when releasing cam spool, because this camshaft does not have support unit, the corresponding tooth of event portion will move together, and disengagement and left and right handle take place between tooth portion thus continually can not be supported securely.
For addressing the above problem, the purpose of this invention is to provide the bicycle handle device of adjustable angle joint, when carrying out a locking or releasing operation, need not to change the position of tooth portion.
The lid structure that another object of the present invention provides bicycle is used to cover traditional tie rod that exposes, and promptly one movably covers, and it comprises a predetermined supporting structure, and a control lever is in the free and motion prejudicially in the rear end of this supporting structure.
For finishing above-mentioned purpose of the present invention, a kind of bicycle handle device of adjustable angle joint is provided, comprise
One control lever, it comprises a cam, wherein the rear end of a tie rod is connected on this cam prejudicially; With
One housing, it comprises a hollow cylinder;
One holding portion, it is formed on the hollow cylinder front portion, at the front end of one opening one lid movably is set, and in the both sides of its opening axle sleeve is set relatively;
One fixed teeth, it is formed on the holding portion inboard, separates with the hollow inboard of cylinder and contacts with axle sleeve;
One stop portions is used to stop the cylinder rear end;
One operation of cam zone, it has from three side openings in the stop portions outside, is used to allow cam to move prejudicially; With
Be used for guide hole with the import operation cam region inboard, rear end of tie rod.
Below in conjunction with accompanying drawing preferred embodiment is described, wherein:
Fig. 1 is the transparent view of expression according to the bicycle handle device of an adjustable angle of the present invention;
Fig. 2 is the exploded drawings of expression according to the bicycle handle device of an adjustable angle of the present invention;
Fig. 3 A and 3B are the cutaway views according to the bicycle handle device of an adjustable angle of the present invention, and wherein Fig. 3 A represents its lockup state, and Fig. 3 B then represents its release position;
Fig. 4 A and 4B are the transparent view according to the bicycle handle device of an adjustable angle of the present invention, and wherein Fig. 4 A represents its lockup state, and Fig. 4 B then represents its release gear; With
Fig. 5 is a transparent view of the bicycle handle device of an adjustable angle according to another embodiment of the present invention.
A preferred embodiment of the present invention is now described in conjunction with the accompanying drawings.
Fig. 1 is the transparent view of expression according to the bicycle handle device of an adjustable angle of the present invention, and Fig. 2 is an exploded drawings of the bicycle handle device of this adjustable angle of expression.As illustrated in fig. 1 and 2, bicycle handle device comprises a housing 10, left and right bushing 20, many tie rods 30, a control lever 40, removable hood 50 and handlebar stem 60.
As shown in Figure 2, housing 10 has a hollow cylinder, forms a steering shaft attaching parts 11 in its underpart, and at its front end one head 12 is set.Form a holding portion 13 in the inboard of head 12, its front side and both sides all are openings.In the rear inside of holding portion 13, be provided with an octagonal fixed teeth 14, wherein be formed with a pipe hole 18.
The rear end of housing 10 is stopped by a stop portions 17, is formed with many pipe mouths (it links to each other with the guide hole that tie rod passes, and after this will describe) on this stop portions 17.Form the operation of cam zone 15 of one or three side openings in the outside of stop portions 17.Be formed with guide hole 16 in the both sides in operation of cam zone 15, it relatively extends, and links to each other with the inboard with stop portions 17.
Shown in Fig. 4 A, axle sleeve 20 comprises connecting bridge 21, and it links to each other with handlebar stem 60, and wherein this handlebar stem 60 extends from handle 61 and head 22.Be formed with gear 23 and 24 in the both sides of head 22.Each head 22 comprises a pipe hole 25 that connects, and it is inserted in the holding portion 13 of housing 10, with the gear 23 and 24 engagements of its left and right sides.
Shown in Fig. 2,3A and 3B, each tie rod 30 comprises a threaded portion 31 of its front end and with a shaft portion 32 of a predetermined angular bend.Two tie rods 30 pass the pipe mouth 25 of stop portions 17, fixed teeth 14, axle sleeve 20, the through hole 52 of removable hood 50, and then a packing ring 71 and a nut 72 are installed on threaded portion 31.At this moment, the rear portion of tie rod 30 is passed guide hole 16 movably and is provided with, and it is connected on the cam 42.
Shown in Fig. 2,3A and 3B, the cam 42 of control lever 40 is positioned at the operation of cam zone 15 of the rear end of housing 10, and meanwhile the shaft portion 32 of tie rod 30 is connected in the eccentric orfice 43.
As shown in Figure 2, removable hood 50 comprises an octagonal pressure tooth 51, and the front that it is pressed against the head 12 of housing 10 wherein is formed with many through holes 52.
The head 12 of housing 10 and left and right bushing 20, removable hood 50 and have the front end engagement of the tie rod 30 of nut 72, and cover by cap member 70 before then.That is to say, pass the central authorities of removable hood 50 after, an overbolt 73 that passes cap member 70 is fixed on the central authorities of fixed teeth 14, wherein fixed teeth 14 is formed between the hollow parts of holding portion 13 and housing 10.At this moment, removable hood 50 is unfixing by overbolt 73.
Fig. 3 A and 3B are the cutaway views that is used to describe operation of the present invention, and Fig. 4 A and 4B then are that expression is according to the lockup state of one embodiment of the invention and the transparent view of release position.Now operating process of the present invention is described in conjunction with Fig. 3 and 4.
Fig. 3 B and 4B represent to come by pull-up control lever 40 lockup state of release handle device.The control lever 40 of pull-up is in such state: the eccentric orfice 43 of cam 42 moves on to " b " from " a ".That is, when making shaft portion 32 motions by pull-up control lever 40, tie rod 30 moves linearly along guide hole 16, and the miles of relative movement of the shaft portion 32 that moved forward then.
When moving behind the tie rod 30, movably covering of linking to each other with threaded portion 31 50 separates on 22 the gear 23 from the head, and meanwhile from separating with another gear 24 that tooth 14 is meshed.
When left and right sides handlebar stem 60 was pulled up and leaves behind angle with necessity of gears in mesh 23 and 24 centerings, this gear 23 and 24 allowed left and right sides handlebar stems 60 to carry out the position adjustments of the angle of rotating corresponding to its tooth simultaneously.
After the angle of regulating handlebar stem 60, by the control lever 40 tension tie rods 30 of leaving behind, shown in Fig. 3 A and 4A, and the angle of temporarily having fixed handlebar stem 60 thus.
The serviceability of control lever 40 as shown in Figure 3A, is that the eccentric orfice 43 of cam 42 moves to " a " from " b ".That is, when making axostylus axostyle 32 motions by pull-up control lever 40, tie rod 30 moves linearly along the guide hole 16 in operation of cam zone 15, and has moved the shift motion of axostylus axostyle 32 then.
By moving behind the tie rod 30, the removable hood 50 that is connected to threaded portion 31 front portions is closed on the gear 23, and meanwhile another gear 24 links to each other with the fixed teeth 14 of holding portion 13 inboards.
Therefore, intermeshing left and right bushing 20 is in temporary transient halted state, and this moment, gear 23 and 24 was meshing with each other.As shown in Figure 5, the present invention can allow with reversible control control lever 40, and this makes control lever 40 have an opposite operation.
As mentioned above, the present invention is by handling the control lever with a curved surface like a cork, allow tension or discharge a tie rod, and allow a removable tooth and a fixed teeth to be meshed then, the locking of simplification axle sleeve and an effect of releasing operation are provided thus with the tooth of axle sleeve.
Particularly, when inserting a cam in one cam hole in order in traditional structure, to extend a linear movable length, can overcome problem such as the size-constrained system of cam hole with being connected of causing when the spreadet spreadet wheel with the defective in disconnecting, obtained thus gear can be each other ingear effect securely.Yet, when locking or release gear, because only in the engagement of tooth portion, the axle sleeve of traditional structure has change in location, and the invention provides the effect that solves traditional problem, because locking and releasing operation can not cause the variation of axle sleeve tooth portion position.In addition, the present invention has adopted a kind of predetermined lid structure, and it covers tie rod and removable hood, and impels the cam of control lever also to be bearing in movably on the rear end of housing.Therefore, compare, the invention provides a stable apparatus structure and an improved outward appearance that is used to regulate an angle with traditional device.
Though only specifically described some embodiment of the present invention at this, apparent under the prerequisite that does not break away from essence of the present invention and scope, can do multiple modification.
Claims (3)
1. the bicycle handle device of adjustable angle joint comprises:
One control lever, it comprises a cam, wherein the rear end of tie rod is connected on this cam prejudicially; With
One housing, it comprises the operation of cam zone of an opening that is formed on its rear end, with the guide hole that is formed on described operation of cam zone opposed inside, guide tie rod through these guide holes, described housing allows described control lever to rotate prejudicially in the described guide hole in operation of cam zone.
2. the bicycle handle device of adjustable angle joint as claimed in claim 1 is characterized in that described housing also comprises:
One hollow cylinder;
One holding portion, it has an opening shape of three sides, and is formed on the front of described hollow cylinder, at the front end of its opening one removable hood is set, and in the both sides of its opening axle sleeve is set relatively; With
One fixed teeth part, it is formed on the inboard that the described accommodation section is divided, and is used to make the described accommodation section branch to contact from the hollow inboard disengagement of cylinder and with axle sleeve.
3. the bicycle handle device of adjustable angle joint as claimed in claim 1 is characterized in that the gear forms of the gear of described axle sleeve for protrusion before and after it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99205567 CN2366345Y (en) | 1999-03-12 | 1999-03-12 | Angle adjustable handle bar of bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99205567 CN2366345Y (en) | 1999-03-12 | 1999-03-12 | Angle adjustable handle bar of bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2366345Y true CN2366345Y (en) | 2000-03-01 |
Family
ID=34000093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99205567 Expired - Fee Related CN2366345Y (en) | 1999-03-12 | 1999-03-12 | Angle adjustable handle bar of bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2366345Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106985948A (en) * | 2015-11-27 | 2017-07-28 | 株式会社岛野 | Bicycle use component fixture construction and bicycle use assembling components body |
-
1999
- 1999-03-12 CN CN 99205567 patent/CN2366345Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106985948A (en) * | 2015-11-27 | 2017-07-28 | 株式会社岛野 | Bicycle use component fixture construction and bicycle use assembling components body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |