CN109250023B - Portable support walking structure of three-fold vehicle - Google Patents
Portable support walking structure of three-fold vehicle Download PDFInfo
- Publication number
- CN109250023B CN109250023B CN201811144782.0A CN201811144782A CN109250023B CN 109250023 B CN109250023 B CN 109250023B CN 201811144782 A CN201811144782 A CN 201811144782A CN 109250023 B CN109250023 B CN 109250023B
- Authority
- CN
- China
- Prior art keywords
- base plate
- seat frame
- saddle sleeve
- cross beam
- frame
- Prior art date
- 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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- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000758 substrate Substances 0.000 description 15
- 238000010586 diagram Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K15/00—Collapsible or foldable cycles
- B62K15/006—Collapsible or foldable cycles the frame being foldable
- B62K15/008—Collapsible or foldable cycles the frame being foldable foldable about 2 or more axes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K15/00—Collapsible or foldable cycles
- B62K2015/005—Collapsible or foldable cycles having additional wheels for use when folded or collapsed
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
The utility model relates to a portable supporting and walking structure of a three-fold vehicle, wherein two side surfaces of a cross beam are respectively hinged with a downward extending base plate, two walking wheels are hinged on the inner side of each base plate, the base plates can extend downwards to the ground when the front end of the cross beam is connected with a saddle sleeve, the walking wheels on the inner side of the base plates are positioned below a rear seat frame, and the base plates can be in a swinging state close to the ground when the cross beam swings below the saddle sleeve, and all the walking wheels are supported and walked on the ground. In the utility model, as the travelling wheel is larger than the existing travelling wheel, the three-fold frame is further lifted upwards by the base plate, so that the pollution of a cushion on the rear seat frame is avoided, the travelling wheel can provide better supporting performance through the obstacle of the common height, and the parts are more convenient to manufacture and cannot pollute the clothes of passengers on the rear seat frame.
Description
Technical Field
The utility model belongs to the technical field of improvement of folding structures of bicycles, and particularly relates to a portable supporting and walking structure of a three-fold bicycle.
Background
There are various structures of the three-fold vehicle, such as the structure shown in fig. 1: the bicycle saddle comprises a girder 9, a saddle sleeve 8, a swinging beam 10, a front fork sleeve 11, a front fork 12, a rear frame 17, a front wheel 13 and a rear wheel 26, wherein one end of the girder is arranged at the upper part of the front end surface of the saddle sleeve, the other end of the girder is connected with one end of the swinging beam through a hinge shaft, the other end of the swinging beam is connected with the front fork sleeve, the front fork is rotatably arranged in the front fork sleeve, the front wheel is arranged at the lower end part of the front fork, a chain wheel 14 and a hinge shaft 15 are arranged at the lower part of the front end surface of the saddle sleeve, the hinge shaft is hinged with a swinging frame 16 at the lower end of the rear frame, the upper end of the rear frame is movably connected with the upper part of the rear end surface of the saddle sleeve through a clamping structure 7, and a rear seat frame 1 is arranged on a cross beam 19 at the upper end of the rear frame through a plurality of clamps 6.
When folding, unclamp the clamping structure, rear frame upper end and saddle sleeve are disengaged, and rear frame drives the whole anticlockwise pendulum of rear wheel and changes, and the outer fringe of rear wheel is pressed close to the girder bottom surface, then swings the pendulum and changes the roof beam backward, makes the front end of front wheel paste in saddle sleeve department, and whole car's volume reduces greatly like this, can conveniently deposit. However, in practical use, it is found that although the volume of the three-folded bicycle is reduced, the transportation is inconvenient, some manufacturers install small wheels on the rear frame, and the wheels can be grounded and then pushed to move forward after the three-folded bicycle is folded, but the diameter of the wheels is too small, so that the pushing is inconvenient, and the wheels can scratch passengers on the rear frame when the whole bicycle is normally ridden, so that clothes of the passengers become dirty.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a portable supporting and walking structure of a three-fold vehicle, which can be used for supporting the structure of a three-fold rear vehicle frame by a reversible base plate and walking wheels arranged on the reversible base plate and can be used for stably pushing and avoiding polluting clothes of passengers.
The technical scheme adopted by the utility model is as follows:
the utility model provides a portable walking structure that supports of three-fold car, includes back frame, saddle sleeve pipe, girder and back seat frame, and the girder is connected on terminal surface upper portion before the saddle sleeve pipe, and the saddle sleeve pipe lower extreme articulates the back frame, sets up back seat frame on back frame upper end crossbeam, its characterized in that: the two side surfaces of the cross beam are hinged with a downward extending base plate respectively, the inner side of each base plate is hinged with two travelling wheels, the base plate can extend downwards to the ground when the front end of the cross beam is connected with the saddle sleeve, the travelling wheels on the inner side of the base plate are located below the rear seat frame, and the base plate can be in a swinging rear state close to the ground when the cross beam swings to the position below the saddle sleeve, and all the travelling wheels are supported and walked on the ground.
And the surfaces of two sides of each cross beam are provided with recesses, the surfaces in the recesses are hinged with the upper ends of the base plates through hinges, the front ends of the base plates, which are close to the saddle sleeve, are provided with front travelling wheels, and the rear ends of the base plates, which are far away from the saddle sleeve, are provided with rear travelling wheels.
Furthermore, a fixing piece is arranged on the bottom surface of each cross beam, the base plate and the fixing piece can be fixed together by bolts when being close to each other, the two side surfaces of the back seat frame are provided with a fixing hole, and the base plate and the two sides of the back seat frame can be fixed together by bolts when being close to each other.
And the cross beam gradually inclines downwards from the front end to the rear end, the bottom surface of the rear seat frame gradually inclines downwards from the front end to the rear end, the upper end surface of the rear seat frame connected with the cross beam through the clamp is in a horizontal state, and a cushion for taking passengers is arranged on the upper end surface.
The outer diameter of the front travelling wheel is larger than that of the rear travelling wheel.
The utility model has the advantages and positive effects that:
in the utility model, a substrate is hinged in the concave on two sides of the cross beam, two travelling wheels are arranged on the surface of each substrate, which is close to the rear wheel, from front to back, the outer diameter of the substrate, which is positioned at the front part and is larger than the outer diameter of the rear part, can be respectively fixed with the substrate when the substrate is close to the cross beam or the rear seat frame. When the saddle is used, the bolts are unscrewed, the base plate is separated from the cross beam, the base plate is swung upwards, the bolts are unscrewed again, the base plate is fixed with the back seat frame, the back frame is separated from the saddle sleeve and swung downwards, when the saddle sleeve is swung in place, the travelling wheels are just supported on the ground, and then the front wheels are swung backwards, so that the three-folded whole saddle or the upper end of the front fork of the whole saddle is completed, the travelling wheels can be utilized to push the three-folded whole saddle, and the travelling wheels are larger than the existing size.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged schematic view of the cross member, rear mount, cushion of FIG. 1;
FIG. 3 is an enlarged left side view of FIG. 2;
FIG. 4 is a schematic illustration of the three fold of FIG. 1;
fig. 5 is a schematic diagram of the prior art.
Detailed Description
The utility model will now be further illustrated by reference to the following examples, which are intended to be illustrative, not limiting, and are not intended to limit the scope of the utility model.
The utility model discloses a portable supporting and walking structure of a three-fold vehicle, which is shown in figures 1-5 and comprises a rear frame 17, saddle sleeves 8, a girder 9 and a rear seat frame 2, wherein the upper part of the front end surface of each saddle sleeve is connected with the girder, the lower end of each saddle sleeve is hinged with the rear frame, and the rear seat frame is arranged on a cross beam at the upper end of the rear frame, and the innovation of the portable supporting and walking structure is that: the two side surfaces of the cross beam 19 at the upper end of the rear frame are hinged with a downward extending base plate 3 respectively, and the inner side of each base plate is hinged with two travelling wheels.
The base plate can be to the ground sagging extension and make its inboard walking wheel be located the saddle frame below when crossbeam front end is connected with saddle sleeve pipe, for the structure as shown in fig. 1, 3, the walking wheel is located between base plate and rear wheel 26 when the base plate is decurrent state, and the walking wheel size only is limited by the position of back frame front and back sloping and the width of back frame, can be with the walking wheel as far as possible setting bigger, has guaranteed stable implementation promptly, can also improve the ground clearance of three-fold frame as far as possible.
The base plate can be in a swinging state close to the ground when the cross beam swings to the lower part of the saddle sleeve, and all travelling wheels can be supported and walk on the ground. When the structure is in the state shown in fig. 1 and 2, the substrate is firstly swung upwards and fixed, the travelling wheels face upwards, then the cross beam is swung below the saddle sleeve, the outer edge of the rear wheel is close to or attached to the bottom surface of the cross beam, the substrate shown in fig. 2 is in a swung state towards the ground, the travelling wheels can support a two-folded whole vehicle, and then the front wheel is swung backwards, so that three-fold operation is completed.
The height of the base plate can be properly prolonged, so that most of travelling wheels are shielded, the situation that sundries such as dust on the exposed travelling wheels pollute clothes of passengers sitting on the rear seat frame is avoided, the three-folded whole vehicle can be lifted upwards as much as possible, and the cushion arranged on the rear seat frame is kept away from the ground as much as possible, so that the rear seat frame is prevented from being polluted by sundries on the ground.
The specific mounting structure of the substrate is as follows: each cross beam is provided with a recess 23 on both side surfaces, which is located just between the two clips 6 for fixing the saddle frame, the surface in the recess is hinged to the upper end of the base plate by a hinge 5, the base plate is provided with a front travelling wheel 18 near the front end 21 of the saddle sleeve, the base plate is provided with a rear travelling wheel 22 far away from the rear end 24 of the saddle sleeve, and the outer diameter of the front travelling wheel is larger than that of the rear travelling wheel.
Each beam has a fixing plate 25 mounted on the bottom surface as shown in fig. 3, the fixing plate is provided with a fixing hole 20, when the substrate is in the state of fig. 1, 2 and 3, the substrate and the fixing plate can be fixed together by bolts 4 when they are close (see the structure on the left side of fig. 3), and the end parts on the outer sides of the bolts can be fixedly provided with wrench structures extending to the two sides by brackets, so that the mounting and dismounting of the wrench structures are facilitated. As shown in fig. 2, fixing holes 20 are also provided on both side surfaces of the rear seat frame above the fixing piece, and the size and internal threads of the fixing holes are the same as those of the fixing piece, that is, when the base plate is in the state of fig. 4, the base plate and both sides of the rear seat frame can be fixed together by bolts when they are close to each other (see the right structure of fig. 3).
The cross beam gradually inclines downwards from the front end to the rear end as shown in fig. 1 and 2, the bottom surface of the back seat frame also gradually inclines downwards from the front end to the rear end, the upper end surface of the back seat frame connected with the cross beam through the clamp is in a horizontal state, and a cushion 1 for taking a passenger is arranged on the upper end surface. The purpose of the tilt setting in the connection structure of the cross beam, the rear mount is: as shown in figure 4, the rear wheel and the front wheel swing to the position below the girder, so that the crossbeam is obliquely arranged for ensuring the stability during pushing after three folding, and when the crossbeam swings to the position below the saddle sleeve, the front travelling wheel with larger outer diameter is matched, so that the saddle sleeve can be lifted upwards as much as possible, and the rear wheel is lowered downwards as much as possible, the gravity center of the three-folding whole car can be approximately fallen between the front travelling wheel and the rear travelling wheel, the whole weight can be better dispersed on all travelling wheels, and the three-folding whole car can be ensured to be stably and vertically placed on the ground even if the three-folding whole car is not held by hands.
As shown in FIG. 3, the width of the upper end of the rear frame is larger than the widths of the rear seat frame and the cushion, so that the base plate can be attached to the side surfaces of the rear seat frame and the cushion when swinging upwards, and the fixing effect and the overall stability of the bolt are further improved.
In the utility model, a substrate is hinged in the concave on two sides of the cross beam, two travelling wheels are arranged on the surface of each substrate, which is close to the rear wheel, from front to back, the outer diameter of the substrate, which is positioned at the front part and is larger than the outer diameter of the rear part, can be respectively fixed with the substrate when the substrate is close to the cross beam or the rear seat frame. When the saddle is used, the bolts are unscrewed, the base plate is separated from the cross beam, the base plate is swung upwards, the bolts are unscrewed again, the base plate is fixed with the back seat frame, the back frame is separated from the saddle sleeve and swung downwards, when the saddle sleeve is swung in place, the travelling wheels are just supported on the ground, and then the front wheels are swung backwards, so that the three-folded whole saddle or the upper end of the front fork of the whole saddle is completed, the travelling wheels can be utilized to push the three-folded whole saddle, and the travelling wheels are larger than the existing size.
Claims (5)
1. The utility model provides a portable walking structure that supports of three-fold car, includes back frame, saddle sleeve pipe, girder and back seat frame, and the girder is connected on terminal surface upper portion before the saddle sleeve pipe, and the saddle sleeve pipe lower extreme articulates the back frame, sets up back seat frame on back frame upper end crossbeam, its characterized in that: the two side surfaces of the cross beam are hinged with a downward extending base plate respectively, the inner side of each base plate is hinged with two travelling wheels, the base plate can extend downwards to the ground when the front end of the cross beam is connected with the saddle sleeve, the travelling wheels on the inner side of the base plate are located below the rear seat frame, and the base plate can be in a swinging rear state close to the ground when the cross beam swings to the position below the saddle sleeve, and all the travelling wheels are supported and walked on the ground.
2. The portable support walking structure of a three-fold vehicle according to claim 1, wherein: the surface in the recess is hinged with the upper end of the base plate through a hinge, the front end of the base plate, which is close to the saddle sleeve, is provided with a front walking wheel, and the rear end of the base plate, which is far away from the saddle sleeve, is provided with a rear walking wheel.
3. The portable support walking structure of a three-fold vehicle according to claim 2, wherein: a fixing piece is arranged on the bottom surface of each beam, the base plate and the fixing piece can be fixed together through bolts when being close to each other, fixing holes are formed in the surfaces of two sides of the back seat frame, and the base plate and the two sides of the back seat frame can be fixed together through bolts when being close to each other.
4. A portable support walking structure for a three-fold vehicle according to claim 2 or 3, characterized in that: the crossbeam is gradually downward sloping from front end to rear end, the bottom surface of back seat frame is gradually downward sloping from front end to rear end, and the up end after the back seat frame passes through the clamp and is connected with the crossbeam is in the horizontality, installs the cushion that is used for the passenger to take on this up end.
5. The portable support walking structure of a three-fold vehicle according to claim 4, wherein: the outer diameter of the front travelling wheel is larger than that of the rear travelling wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811144782.0A CN109250023B (en) | 2018-09-29 | 2018-09-29 | Portable support walking structure of three-fold vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811144782.0A CN109250023B (en) | 2018-09-29 | 2018-09-29 | Portable support walking structure of three-fold vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109250023A CN109250023A (en) | 2019-01-22 |
| CN109250023B true CN109250023B (en) | 2023-08-22 |
Family
ID=65048183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811144782.0A Active CN109250023B (en) | 2018-09-29 | 2018-09-29 | Portable support walking structure of three-fold vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109250023B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018195547A1 (en) * | 2017-04-21 | 2018-10-25 | William Ho | System for rolling a folded bike |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010184523A (en) * | 2009-02-10 | 2010-08-26 | Yasuo Umaji | Bicycle |
| TWM403470U (en) * | 2010-11-17 | 2011-05-11 | zhong-yi Hong | Folding structure of bicycle front and rear wheel assemblies |
| TW201210880A (en) * | 2010-09-07 | 2012-03-16 | Joshua Hon | A trolley-like folding bicycle |
| CN106627936A (en) * | 2017-01-22 | 2017-05-10 | 常州摩本智能科技有限公司 | Foldable intelligent bicycle |
| CN106741446A (en) * | 2016-11-21 | 2017-05-31 | 天津飞踏自行车有限公司 | A kind of three folding portable bicycles |
| DE102016004528A1 (en) * | 2016-04-13 | 2017-10-19 | Marco Tutsch | Bicycle with foldable trained frame structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI541161B (en) * | 2014-11-25 | 2016-07-11 | Folding two-wheelers |
-
2018
- 2018-09-29 CN CN201811144782.0A patent/CN109250023B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010184523A (en) * | 2009-02-10 | 2010-08-26 | Yasuo Umaji | Bicycle |
| TW201210880A (en) * | 2010-09-07 | 2012-03-16 | Joshua Hon | A trolley-like folding bicycle |
| TWM403470U (en) * | 2010-11-17 | 2011-05-11 | zhong-yi Hong | Folding structure of bicycle front and rear wheel assemblies |
| DE102016004528A1 (en) * | 2016-04-13 | 2017-10-19 | Marco Tutsch | Bicycle with foldable trained frame structure |
| CN106741446A (en) * | 2016-11-21 | 2017-05-31 | 天津飞踏自行车有限公司 | A kind of three folding portable bicycles |
| CN106627936A (en) * | 2017-01-22 | 2017-05-10 | 常州摩本智能科技有限公司 | Foldable intelligent bicycle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109250023A (en) | 2019-01-22 |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231222 Address after: 301609 No.10 Tai'an Road, Jinghai Economic Development Zone South, Jinghai District, Tianjin Patentee after: Tianjin Gema Electric Technology Co.,Ltd. Address before: 300400 No.6, Shuangchen North Road, Beichen Economic Development Zone, Beichen District, Tianjin Patentee before: TIANJIN FEITA BICYCLE Co.,Ltd. |