CN103991498A - Folding bicycle wheel fixing device - Google Patents
Folding bicycle wheel fixing device Download PDFInfo
- Publication number
- CN103991498A CN103991498A CN201310052217.2A CN201310052217A CN103991498A CN 103991498 A CN103991498 A CN 103991498A CN 201310052217 A CN201310052217 A CN 201310052217A CN 103991498 A CN103991498 A CN 103991498A
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- CN
- China
- Prior art keywords
- locating dowel
- dowel pin
- fixed sleeving
- shoulder block
- permanent seat
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Motorcycle And Bicycle Frame (AREA)
Abstract
The invention discloses a folding bicycle wheel fixing device. The folding bicycle wheel fixing device comprises a fixing casing pipe, a locating pin, a spring, a locating pin fixing seat and a T-shaped nut. The fixing casing pipe is installed on a back fork body of a back bicycle frame body of the left side of a bicycle frame so that the locating pin can be inserted into the fixing casing pipe. The locating pin fixing seat is installed on a triangle zone of the lower portion of a rotary shaft on the lower portion of a bicycle frame middle pipe so that the locating pin can be inserted into the locating pin fixing seat. The spring is placed in the fixing casing pipe to abut against the locating pin and helps the locating pin to move left and right through the elasticity of itself, so that fixing pins have the effect of inserted pins during folding and the back fork body of a back wheel can be fixed to the bicycle frame middle pipe. The problem that after the back wheel of a folding bicycle is folded forward, the back wheel is prone to falling down, so that conveying is not convenient is solved, the purpose that after the bicycle is folded, the folding bicycle wheel fixing device is used for fixing the back fork body of the back bicycle frame body to the bicycle frame middle pipe is achieved, and after being folded, the folding bicycle is easy to convey.
Description
One, technical field: the present invention relates to a kind of folded bicycle wheel fixing device, particularly relate to the wheel fixing device after electric motor bicycle with folding folds.
Two, background technology:
Along with the development to lightness, miniaturization of bicycle, battery-driven car, various foldable bicycles, battery-driven car arise at the historic moment, folded bicycle becomes part indispensable in the modern means of communication gradually, and more show especially today that its portability, alerting ability, Portability are blocked up day by day in traffic.Existing folded bicycle major part is in vehicle frame pipe and back vent is provided with turning joint parts, and car load folding mode is that trailing wheel is folding forward downwards, folding after clothes hanger be parking support.Use after this folding mode, trailing wheel relies on turning joint parts to reach folding object, but due to trailing wheel self gravitation, trailing wheel easily down falls automatically after folding, affects folding effect, is also unfavorable for mobile.
Three, summary of the invention:
1, goal of the invention: the invention provides the folding rear wheel anchor fitting of a kind of folded bicycle, its objective is the folding rear problem automatically falling of wheel that solves, by the present invention, wheel and vehicle frame after folding can be fixed, it can not fallen because self gravitation is past after folding, meanwhile, after launching, folded bicycle do not affect the use of car.
2, technical scheme:
Wheel fixing device, comprises fixed sleeving, locating dowel pin, spring, locating dowel pin permanent seat, T-shaped nut.Locating dowel pin permanent seat is integral type structure, is arranged on the trigonum of managing rotating middle shaft below in vehicle frame, its mainly by circular arc dish, fixingly with cylinder, form, circular arc dish is arc sphere, there is a hole position, arc top, for locating dowel pin, inserts, and reaches the fixing effect of wheel and vehicle frame.
Fixed sleeving is integral type structure, is arranged on rear vehicle frame back vent body, tubular shell and a word shoulder block, consists of, and these two parts are integral type, make fixed sleeving be T font after connection.Empty in fixed sleeving, a small sircle hole is opened at one word shoulder block center, and Circularhole diameter is slightly larger than the diameter of locating dowel pin, and is less than tubular shell diameter, for locating dowel pin, penetrates.And fixed sleeving is fixed by T-shaped nut and rear vehicle frame back vent body.
Locating dowel pin, for carefully cylindrical, is positioned in the tubular shell of fixed sleeving, through a word shoulder block circular hole of fixed sleeving.Locating dowel pin middle part has a shoulder block, its width to be slightly larger than a word shoulder block Circularhole diameter of fixed sleeving, in order to can prop up circular hole at locating dowel pin top through after circular hole certain length, stops locating dowel pin to continue to pass forward.Locating dowel pin afterbody is worn and is hung an annulus, and user can pass through this annulus push-and-pull locating dowel pin.When folded bicycle is folding, locating dowel pin is through not exceeding locating dowel pin permanent seat circular arc dish and the fixing plane that is connected with cylinder after fixed sleeving one word shoulder block circular hole, otherwise the trigonum of managing in by circular arc dish and vehicle frame below rotating shaft nipped folding rear locating dowel pin.After folded bicycle is folding, locating dowel pin should penetrate in the hole of locating dowel pin permanent seat circular arc dish.
Spring is also positioned in the tubular shell of fixed sleeving, wears and is placed on locating dowel pin, is fixed in the middle of T-shaped nut and locating dowel pin shoulder block, and one end props up the shoulder block of locating dowel pin, and the inside shoulder block of the other end and T-shaped nut offsets.
In folded bicycle folding process, locating dowel pin is subject to pass through the shoulder block pressuring spring on it after the extruding of locating dowel pin permanent seat, spring inside contracts rear locating dowel pin and retreats thereupon, locating dowel pin top also will be gradually near locating dowel pin permanent seat circular hole, until locating dowel pin inserts hole, so after folded bicycle, vehicle frame is fixed together by pipe in locating dowel pin and vehicle frame.
When folded bicycle need to be opened, pull out the annulus of locating dowel pin afterbody, make locating dowel pin depart from locating dowel pin permanent seat circular hole, rear vehicle frame with vehicle frame is managed disengaging.
3, advantage and effect: the present invention, on existing folded bicycle basis, increases by a wheel fixing device, realize car folding after trailing wheel vehicle frame can be with pipe in vehicle frame fixing.By enforcement of the present invention, can be so that the folding rear trailing wheel vehicle frame of car can, because self gravitation reason is toward falling, not be easier to move.
Four, accompanying drawing explanation
Fig. 1 wheel fixing device section-drawing
Fig. 2 fixed sleeving External view
Fig. 3 locating dowel pin External view
Fig. 4 locating dowel pin permanent seat External view
Fig. 5 T-nut External view
Fig. 6 wheel fixing device site plan
Fig. 7 wheel fixing device External view
Five, the specific embodiment:
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
Wheel fixing device, comprises fixed sleeving 1, locating dowel pin 2, and spring 3, locating dowel pin permanent seat 4, T-shaped nut 5, nut plain cushion 6, draw ring 7, as shown in Figure 1.Fixed sleeving comprises tubular shell 21 and shoulder block 23, tubular shell is through rear vehicle frame back vent body 8 (Fig. 1), back vent body is withstood by shoulder block in one end, the other end is passed through the screw thread 22 and the top interlock of tubular sleeve pipe at tubular sleeve pipe top by nut and nut plain cushion, reach the effect that fixed sleeving is fixed on to back vent body.Shoulder block 23 central authorities of fixed sleeving open a circular hole 24, for locating dowel pin, pass therethrough.
Locating dowel pin permanent seat is integral type structure, mainly by circular arc dish 43, fixingly with cylinder 41, form, circular arc dish is semisphere, slightly larger in diameter is in fixing with cylinder, it is fixing with cylinder that centre has a circular hole 44 to extend to from circular arc dish, for locating dowel pin insertion.The fixing cylinder one end of using is connected with circular arc dish, and other end length is enough through the trigonum under pipe below rotating shaft in vehicle frame, and afterbody is threaded 42, fastening for nut interlock.During use, the fixing of locating dowel pin permanent seat penetrated by vehicle frame place one side after cylinder is from folding, circular arc dish is propped up and in vehicle frame, manages 9 (Fig. 1), opposite side passes through fixing screw thread 42 and the interlock of locating dowel pin permanent seat with cylinder by nut and nut plain cushion, reaches the effect that locating dowel pin is fixed on to pipe in vehicle frame.
Locating dowel pin mainly comprises locating dowel pin main body 31, shoulder block 32, draw ring 34, it is carefully cylindrical that locating dowel pin main body is, during use, insert the tubular shell of fixed sleeving, and pass the circular hole of fixed sleeving, its length can not exceed circular arc dish and the fixing plane that is connected with cylinder of locating dowel pin permanent seat.
T-nut a bite is large, and one is young, large mouthful 51 can just with the cylindrical jacket gas thread phase interlock of fixed sleeving, osculum 52 is slightly less than spring overall diameter, for preventing that spring is from osculum out.
Spring string is in locating dowel pin main body, and along with locating dowel pin inserts in fixed sleeving, one end props up the shoulder block of locating dowel pin, and the other end, facing to screw thread one side of fixed sleeving, props up the osculum of T-nut.
Use when of the present invention, wheel fixing device is arranged in rear vehicle frame back vent body and vehicle frame to pipe upper, be positioned at vehicle frame left side, as Fig. 6, Fig. 7.In vehicle frame, manage 72 and transfer 77 punchings of trigonums under turning cylinder, locating dowel pin permanent seat 710 is inserted to this hole from left to right, prop up trigonum to its shoulder block, use on the right nut 79 and its interlock.Rear wheel back vent body 71 correspondence positions punchings in vehicle frame left side, insert fixed sleeving 77 from right to left, prop up rear wheel back vent body to its shoulder block.Then locating dowel pin 75 afterbodys are penetrated to fixed sleeving from left to right, pass the circular hole of fixed sleeving to propping up locating dowel pin permanent seat disk, spring 74 is through on locating dowel pin, one side props up the shoulder block of locating dowel pin, opposite side is more a little longer than fixed sleeving, reach the object of locating dowel pin energy left and right resilient movement, finally by T-nut 76 and fixed sleeving interlock, whole wheel fixing device successful installation.
In the time of folded bicycle, the locating dowel pin that props up locating dowel pin permanent seat disk in folding process by stressed by locating dowel pin shoulder block pressuring spring, locating dowel pin moves to left gradually, along locating dowel pin permanent seat disk, move to gradually the middle circular hole of disk, now spring will move to right locating dowel pin by compressing locating dowel pin shoulder block, make locating dowel pin insert the circular hole in locating dowel pin permanent seat disk, reach and will in rear wheel back vent body and vehicle frame, manage fixing effect.
In the time of need to opening folded bicycle, pull the annulus on locating dowel pin left, locating dowel pin is pulled out from the circular hole of locating dowel pin permanent seat, open folded bicycle, rear wheel back vent body drops, and decontrols annulus, and locating dowel pin is subject to spring force automatically to prop up permanent seat disk.
Above-described embodiment is just to allow one of ordinary skilled in the art can understand content of the present invention and implement according to this for technical conceive of the present invention and feature being described, its objective is, can not limit the scope of the invention with this.Without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention, and the claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (9)
1. a folded bicycle wheel fixing device, comprise fixed sleeving, locating dowel pin, locating dowel pin permanent seat, spring, T-nut, it is characterized in that, fixed sleeving is arranged on the rear vehicle frame back vent body in vehicle frame left side, locating dowel pin permanent seat is arranged on the trigonum of managing rotating shaft below, bottom in vehicle frame, locating dowel pin is through fixed sleeving, by being through the movement of the spring control locating dowel pin on locating dowel pin.
2. wheel fixing device according to claim 1, it is characterized in that, described fixed sleeving is integral type structure, be divided into tubular shell and word shoulder block two parts, the tubular shell one side word shoulder block of ining succession, opposite side outside is screw thread, cylindrical jacket length of tube be greater than rear vehicle frame back vent body thickness and guarantee its from back vent body through T-nut can be completely and its interlock fix, tubular shell interior diameter is greater than locating dowel pin diameter and spring diameter, to guarantee that locating dowel pin and spring can be put into wherein, also can move freely; In the middle of one word shoulder block, open a small sircle hole, diameter is than locating dowel pin slightly larger in diameter, to guarantee that locating dowel pin can pass therethrough.
3. wheel fixing device according to claim 1, it is characterized in that, described locating dowel pin permanent seat is integral type structure, mainly by circular arc dish, fixing with cylinder, form, circular arc dish is arc sphere, there is a hole position, arc top, its degree of depth is slightly larger than the height of circular arc dish, its slightly larger in diameter, in locating dowel pin diameter, is inserted for locating dowel pin, reaches the fixing effect of wheel and vehicle frame.The fixing trigonum thickness of managing rotating shaft below, bottom in vehicle frame that is greater than by cylinder length, guarantees can fix with nut interlock after it therefrom passes.
4. wheel fixing device according to claim 1, it is characterized in that, described locating dowel pin is integral type structure, and it penetrates fixed sleeving, through the circular hole of fixed sleeving, passes, mainly be divided into locating dowel pin main body, shoulder block and draw ring three parts, there is a circular hole locating dowel pin main body top, for draw ring, buckles into, and locating dowel pin principal length should guarantee that locating dowel pin can be inserted in locating dowel pin permanent seat hole from fixed sleeving passes when car is folding, and circular hole is stayed to T-nut outside, draw ring can be buckled into; Should guarantee that, when car exhibition is opened, locating dowel pin can just be against the outer of locating dowel pin permanent seat circular arc dish simultaneously.
5. wheel fixing device according to claim 4, it is characterized in that, described locating dowel pin shoulder block is disc, and its diameter is greater than the circular hole of locating dowel pin and fixed sleeving shoulder block, locating dowel pin is passed after fixed sleeving, and locating dowel pin shoulder block can be stuck in fixed sleeving shoulder block position; By fixed sleeving shoulder block, the distance to locating dowel pin permanent seat hole determines in the position of locating dowel pin shoulder block, and its length to locating dowel pin afterbody should guarantee that locating dowel pin shoulder block is blocked in locating dowel pin afterbody in fixed sleeving and can be inserted in locating dowel pin permanent seat circular arc dish hole.
6. wheel fixing device according to claim 1, is characterized in that, described T-nut is annular arrangement, and prosopyle is large, rear young, and prosopyle diameter is suitable with fixed sleeving overall diameter, and directly the screw thread of fixed sleeving is lived in interlock; Deutostoma diameter is less than spring diameter, guarantees from fixed sleeving, not eject after spring is squeezed.
7. wheel fixing device according to claim 1, it is characterized in that, described locating dowel pin permanent seat is passed the trigonum of managing rotating shaft below, bottom vehicle frame from inner side toward outside, prop up inner side, trigonum to the circular arc dish of locating dowel pin permanent seat, and nut and nut plain cushion are fixed and used cylinder interlock with locating dowel pin permanent seat; Vehicle frame back vent body described fixed sleeving is passed from inner side toward outside, props up back vent body inner side by fixed sleeving one word shoulder block; Then locating dowel pin is penetrated to fixed sleeving from outside toward inner side, through the circular hole of fixed sleeving one word shoulder block, by circular hole, blocked to locating dowel pin shoulder block; Afterwards spring is penetrated to fixed sleeving, be through on locating dowel pin, with T-nut, fixed sleeving is fixed on back vent body, finally annulus is buckled in the circular hole of locating dowel pin top.
8. wheel fixing device according to claim 7, is characterized in that, when mounted, spring is through on locating dowel pin, and a side props up locating dowel pin shoulder block, and the other end is squeezed in fixed sleeving by T-nut.
9. wheel fixing device according to claim 1, it is characterized in that, described locating dowel pin inserts fixed sleeving and passes after the circular hole of fixed sleeving one word shoulder block, when opening, car exhibition is no more than locating dowel pin permanent seat circular arc dish and the fixing connection plane with cylinder, when car is folding, can just insert in the hole of locating dowel pin permanent seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310052217.2A CN103991498A (en) | 2013-02-18 | 2013-02-18 | Folding bicycle wheel fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310052217.2A CN103991498A (en) | 2013-02-18 | 2013-02-18 | Folding bicycle wheel fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103991498A true CN103991498A (en) | 2014-08-20 |
Family
ID=51305905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310052217.2A Pending CN103991498A (en) | 2013-02-18 | 2013-02-18 | Folding bicycle wheel fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103991498A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3979136A (en) * | 1974-06-03 | 1976-09-07 | A. Lassiere Ltd. | Foldable bicycle |
| EP0466196A1 (en) * | 1990-07-13 | 1992-01-15 | Yamaha Hatsudoki Kabushiki Kaisha | Motorcycle with pedal structure |
| WO1999042355A1 (en) * | 1998-02-18 | 1999-08-26 | Cong Xie | A locking means for front and rear frames of foldable bicycle |
| CN2362720Y (en) * | 1998-12-31 | 2000-02-09 | 中国人民解放军海军航空技术学院 | Retracting device for front wheel of starting vehicle |
| CN2421231Y (en) * | 2000-04-28 | 2001-02-28 | 陈清泉 | Folding positioner for bicycle ans scooter |
| CN2513864Y (en) * | 2001-08-29 | 2002-10-02 | 古正辉 | Structure for quickly detaching and assembling wheel |
| CN2878763Y (en) * | 2006-02-06 | 2007-03-14 | 陈秋田 | Fastening device |
| CN203237354U (en) * | 2013-02-18 | 2013-10-16 | 苏州小蜻蜓电动车有限公司 | Folding bicycle wheel fixing device |
-
2013
- 2013-02-18 CN CN201310052217.2A patent/CN103991498A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3979136A (en) * | 1974-06-03 | 1976-09-07 | A. Lassiere Ltd. | Foldable bicycle |
| EP0466196A1 (en) * | 1990-07-13 | 1992-01-15 | Yamaha Hatsudoki Kabushiki Kaisha | Motorcycle with pedal structure |
| WO1999042355A1 (en) * | 1998-02-18 | 1999-08-26 | Cong Xie | A locking means for front and rear frames of foldable bicycle |
| CN2362720Y (en) * | 1998-12-31 | 2000-02-09 | 中国人民解放军海军航空技术学院 | Retracting device for front wheel of starting vehicle |
| CN2421231Y (en) * | 2000-04-28 | 2001-02-28 | 陈清泉 | Folding positioner for bicycle ans scooter |
| CN2513864Y (en) * | 2001-08-29 | 2002-10-02 | 古正辉 | Structure for quickly detaching and assembling wheel |
| CN2878763Y (en) * | 2006-02-06 | 2007-03-14 | 陈秋田 | Fastening device |
| CN203237354U (en) * | 2013-02-18 | 2013-10-16 | 苏州小蜻蜓电动车有限公司 | Folding bicycle wheel fixing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| DD01 | Delivery of document by public notice |
Addressee: Suzhou little dragonfly battery-driven car Co., Ltd Document name: Notification of Publication of the Application for Invention |
|
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| DD01 | Delivery of document by public notice |
Addressee: Suzhou little dragonfly battery-driven car Co., Ltd Document name: Notification of Patent Invention Entering into Substantive Examination Stage |
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| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Suzhou little dragonfly battery-driven car Co., Ltd Document name: the First Notification of an Office Action |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140820 |
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| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhu Xiaoxi Document name: Notification that Application Deemed to be Withdrawn |