CN101244737B - Child tricycle - Google Patents
Child tricycle Download PDFInfo
- Publication number
- CN101244737B CN101244737B CN2008100805927A CN200810080592A CN101244737B CN 101244737 B CN101244737 B CN 101244737B CN 2008100805927 A CN2008100805927 A CN 2008100805927A CN 200810080592 A CN200810080592 A CN 200810080592A CN 101244737 B CN101244737 B CN 101244737B
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- attaching parts
- rotating shaft
- wheel support
- rear wheel
- child
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- 230000000903 blocking effect Effects 0.000 claims description 20
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention discloses a child tricycle, the frame of which comprises a front fork, a front standpipe rotatable to the front fork, a rear wheel support, a first connector rotating connects the front end and the front standpipe through the first rotating shaft, a second connector rotating connects the front end and the front standpipe through the second rotating shaft, a driving device for driving the rear wheel support to rotate. The front upper part of the rear wheel support and the rear end of the first connector rotating connected with each other through the third rotating shaft. The rear end of the first connector and the rear end of the second connector are slidingly arranged. Since the front end of the rear wheel support and the front standpipe are rotating connected, when the child tricycle is folded, the rear wheel support closes up to the front fork under the first connector, the second connector and the driving device. The folded child tricycle has the advantages of a relatively small volume and lower transportation costs.
Description
Technical field
The present invention relates to a kind of child's tricycle.
Background technology
Child's tricycle of the prior art, comprise vehicle frame, front-wheel, respectively be arranged at described vehicle frame both sides rear portion, the end trailing wheel, handlebar, be arranged at the saddle on the described vehicle frame, preceding standpipe, rear wheel support that described vehicle frame comprises front fork, is provided with rotationally mutually with described front fork, described front-wheel is arranged at the bottom of described front fork, and two described trailing wheels are arranged at the bottom of the both sides of described rear wheel support respectively.The leading section of common described rear wheel support and described before standpipe be connected to one, thereby child's tricycle can not fold, volume is big, traffic cost is higher.
Summary of the invention
The object of the invention provides a kind of child's tricycle, and its volume after folding is less.
For achieving the above object, the technical solution used in the present invention is: a kind of child's tricycle, comprise vehicle frame with expanded position and folding position, front-wheel, be arranged at the trailing wheel at rear portion, the end of the both sides of described vehicle frame respectively, handlebar, be arranged at the saddle on the described vehicle frame, described vehicle frame comprises front fork, the preceding standpipe that is provided with rotationally mutually with described front fork, rear wheel support, described front-wheel is arranged at the bottom of described front fork, two described trailing wheels are arranged at the bottom of the both sides of described rear wheel support respectively, described vehicle frame also comprise leading section and described before standpipe by first rotating shaft bonded assembly first attaching parts that rotates, leading section and described before standpipe by second rotating shaft bonded assembly second attaching parts that rotates, be used to the driver train that makes that described rear wheel support rotates, the front upper part of described rear wheel support is connected by the 3rd rotating shaft rotatedly with the rear portion of described first attaching parts, the rear portion of described first attaching parts, be provided with slidably mutually between the rear portion of described second attaching parts, and be provided for forbidding the upwards stop gear of rotation of described rear wheel support between described first attaching parts and the described rear wheel support or between described second attaching parts and the described rear wheel support.
Have the chute that extends along fore-and-aft direction on one in two parts in the rear portion of the rear portion of described first attaching parts, described second attaching parts, another parts are provided with pilot pin, and described pilot pin can be inserted in the described chute slidably along described chute fore-and-aft direction.
The upper end that described driver train comprises an end and described rear wheel support is by the 5th rotating shaft bonded assembly first connecting rod that rotates, the other end of one end and described first connecting rod is by the 6th rotating shaft bonded assembly second connecting rod that rotates, the other end of described second connecting rod is connected by the 7th rotating shaft rotatedly with described first attaching parts, and the other end of described second connecting rod has a plurality of second teeth, have a plurality of first teeth on the standpipe before described, described first tooth is meshed with described second tooth, it is on the circumferencial direction in the center of circle that a plurality of described first teeth are distributed in described first rotating shaft, and it is on the circumferencial direction in the center of circle that a plurality of described second teeth are distributed in described the 7th rotating shaft.
Described the 5th rotating shaft is positioned at the top of described the 3rd rotating shaft.
Described vehicle frame also comprises the blocking device of the relative position that is used to lock described second attaching parts or described first attaching parts and described rear wheel support.
Described blocking device comprises and is arranged on described second attaching parts rotationally or the latch hook on described first attaching parts, is arranged on the locking bar on the described rear wheel support, described blocking device has lock-out state and released state, when described blocking device is in the lock state down, described latch hook hooks described locking bar, when described blocking device is under the released state, described latch hook and described locking bar are separated.
Be provided with the elastic component that makes that described blocking device stably is in the lock state between described latch hook and described first attaching parts.
Described second rotating shaft is positioned at the top of described first rotating shaft.
Described stop gear is the stopper that is arranged on the described first attaching parts rear portion, and when described vehicle frame is under the expanded position, described stopper is against on the described rear wheel support.
Because technique scheme utilization, the present invention compared with prior art has following advantage: the setting because the leading section of described rear wheel support and described preceding standpipe rotate, when children's three-wheel vehicle is folding, under the effect of described first attaching parts, described second attaching parts and described driver train, make the described relatively front fork of described rear wheel support draw close, the volume of folding back child's tricycle is less, has reduced traffic cost.
Description of drawings
Accompanying drawing 1 is the scheme drawing of child's tricycle (child's tricycle is in deployed condition);
Accompanying drawing 2 is the scheme drawing of child's tricycle (child's tricycle is in folded state);
Accompanying drawing 3 is the A place enlarged drawing of accompanying drawing 1;
Accompanying drawing 4 is the B place enlarged drawing of accompanying drawing 2;
Accompanying drawing 5 is the block diagram of child's tricycle;
Accompanying drawing 6 is the connection diagram of driver train.
Wherein: 1, front-wheel; 2, trailing wheel; 3, front fork; 4, preceding standpipe; 5, extension behind the preceding standpipe; 6, rear wheel support; 7, saddle; 8, handlebar; 9, first attaching parts; 10, first tooth; 11, second connecting rod; 12, first connecting rod; 13, latch hook; 14, elastic component; 15, first rotating shaft; 16, second rotating shaft; 17, the 3rd rotating shaft; 18, pilot pin; 19, the 5th rotating shaft; 20, the 6th rotating shaft; 21, the 7th rotating shaft; 22, preceding standpipe body; 23, second attaching parts; 24, chute; 25, driver train; 26, second tooth; 27, vehicle frame; 28, locking bar; 29, blocking device; 30, stopper.
The specific embodiment
Shown in each accompanying drawing, a kind of child's tricycle, the vehicle frame 27 that comprises expanded position and folding position, front-wheel 1, be arranged at the trailing wheel 2 at rear portion, the end of the both sides of described vehicle frame 27 respectively, handlebar 8, be arranged at the saddle 7 on the described vehicle frame 27, described vehicle frame 27 comprises front fork 3, the preceding standpipe 4 that is provided with rotationally mutually with described front fork 3, rear wheel support 6, described front-wheel 1 is arranged at the bottom of described front fork 3, two described trailing wheels 2 are arranged at the bottom of the both sides of described rear wheel support 6 respectively, described vehicle frame 27 also comprise leading section and described before standpipe 4 by first rotating shaft 15 bonded assembly first attaching parts 9 that rotates, leading section and described before standpipe 4 by second rotating shaft 16 bonded assembly second attaching parts 23 that rotates, be used to the driver train 25 that makes that described rear wheel support 6 rotates around the 3rd rotating shaft 17, the front upper part of described rear wheel support 6 is connected by the 3rd rotating shaft 17 rotatedly with the rear portion of described first attaching parts 9, the rear portion of described first attaching parts 9, be provided with slidably mutually between the rear portion of described second attaching parts 23, and be provided for forbidding the upwards stop gear of rotation of described rear wheel support 6 between described first attaching parts 9 and the described rear wheel support 6 or between described second attaching parts 23 and the described rear wheel support 6.
Shown in accompanying drawing 3, accompanying drawing 4, have the chute 24 that extends along fore-and-aft direction on one in two parts in the rear portion of the rear portion of described first attaching parts 9, described second attaching parts 23, this fore-and-aft direction is under the expanded position at vehicle frame 27 and defines, another parts are provided with pilot pin 18, and described pilot pin 18 can be inserted in the described chute 24 slidably along described chute 24 fore-and-aft directions.
As accompanying drawing 3, accompanying drawing 4, shown in the accompanying drawing 6, the upper end that described driver train 25 comprises an end and described rear wheel support 6 is by the 5th rotating shaft 19 bonded assembly first connecting rod 12 that rotates, the other end of one end and described first connecting rod 12 is by the 6th rotating shaft 20 bonded assembly second connecting rod 11 that rotates, be arranged on a plurality of first teeth 10 on the described preceding standpipe 4, the other end of described second connecting rod 11 is connected described first connecting rod 12 rotatedly with described first attaching parts 9 by the 7th rotating shaft 21, described second connecting rod 11, described first attaching parts 9 constitutes four-bar linkage with described rear wheel support 6.And the other end of described second connecting rod 11 has a plurality of second teeth 26, described first tooth 10 is meshed with described second tooth 26, it is on the circumferencial direction in the center of circle that a plurality of described first teeth 10 are distributed in described first rotating shaft 15, and it is on the circumferencial direction in the center of circle that a plurality of described second teeth 26 are distributed in described the 7th rotating shaft 21.Described driver train also can replace with gear drive, as long as when first attaching parts 9 and second attaching parts 23 all upwards rotate, the preceding relatively standpipe 4 of rear wheel support 6 is rotated get final product.
Before described standpipe 4 comprise the preceding standpipe body 22 that is provided with rotationally mutually with described front fork 3, described before standpipe body 22 extension 5 behind the preceding standpipe of formation that extends back, described a plurality of first tooth 10 be arranged at described before behind the standpipe on the extension 5, described first attaching parts 9, described second attaching parts 23 respectively with described before behind the standpipe extension 5 rotate and be connected.
Described the 5th rotating shaft 19 is positioned at the top of described the 3rd rotating shaft 17.
Described vehicle frame 27 also comprises the blocking device 29 that is used to lock described second attaching parts 23 or described first attaching parts 9 and the relative position of described rear wheel support 6.
Described blocking device 29 comprises and is arranged on described second attaching parts 23 rotationally or the latch hook 13 on described first attaching parts 9, is arranged on the locking bar 28 on the described rear wheel support 6, described blocking device 29 has lock-out state and released state, when described blocking device 29 is in the lock state down, described latch hook 13 hooks described locking bar 28, when described blocking device 29 is under the released state, described latch hook 13 is separated with described locking bar 28.
Be provided with the elastic component 14 that makes that described blocking device 29 stably is in the lock state between described latch hook 13 and described first attaching parts 9.
Described second rotating shaft 16 is positioned at the top of described first rotating shaft 15.
Described saddle 7 is fixedly connected with described second attaching parts 23.
As shown in Figure 1, described child's tricycle is in deployed condition, after described blocking device 29 releases, second attaching parts 23 standpipe 4 before described is rotated, make described saddle 7 hold up, described relatively second attaching parts 23 of described first attaching parts 9 slides, and described first attaching parts 9 the rotating of standpipe 4 before described simultaneously, match with a plurality of described second teeth 26 by a plurality of described first teeth 10, under the transmission of described first connecting rod 12, make described rear wheel support 6 rotate relative to described first attaching parts 9, as shown in Figure 2, described child's tricycle is in folded state, described relatively front fork 3 folding the drawing close of described rear wheel support 6.Volume after folding is less.
As shown in Figure 6, described stop gear is the stopper 30 that is arranged on described first attaching parts 9 rear portions, this stopper also can be arranged on second attaching parts 23, and when described vehicle frame 27 is under the expanded position, described stopper 30 is against on the described rear wheel support 6.
Claims (9)
1. child's tricycle, comprise vehicle frame (27) with expanded position and folding position, front-wheel (1), be arranged at the trailing wheel (2) at rear portion, the end of the both sides of described vehicle frame (27) respectively, handlebar (8), be arranged at the saddle (7) on the described vehicle frame (27), described vehicle frame (27) comprises front fork (3), the preceding standpipe (4) that is provided with rotationally mutually with described front fork (3), rear wheel support (6), described front-wheel (1) is arranged at the bottom of described front fork (3), two described trailing wheels (2) are arranged at the bottom of the both sides of described rear wheel support (6) respectively, it is characterized in that: described vehicle frame (27) also comprise leading section and described before standpipe (4) by first rotating shaft (15) bonded assembly first attaching parts (9) that rotates, leading section and described before standpipe (4) by second rotating shaft (16) bonded assembly second attaching parts (23) that rotates, be used to the driver train (25) that makes that described rear wheel support (6) rotates, the front upper part of described rear wheel support (6) is connected by the 3rd rotating shaft (17) rotatedly with the rear portion of described first attaching parts (9), the rear portion of described first attaching parts (9), be provided with slidably mutually between the rear portion of described second attaching parts (23), and be provided for forbidding the upwards stop gear of rotation of described rear wheel support (6) between described first attaching parts (9) and the described rear wheel support (6) or between described second attaching parts (23) and the described rear wheel support (6).
2. child's tricycle according to claim 1, it is characterized in that: have the chute (24) that extends along fore-and-aft direction on one in two parts in rear portion of the rear portion of described first attaching parts (9), described second attaching parts (23), another parts are provided with pilot pin (18), and described pilot pin (18) can be inserted in the described chute (24) slidably along described chute (24) fore-and-aft direction.
3. child's tricycle according to claim 1, it is characterized in that: the upper end that described driver train (25) comprises an end and described rear wheel support (6) is by the 5th rotating shaft (19) the bonded assembly first connecting rod (12) that rotates, the other end of one end and described first connecting rod (12) is by the 6th rotating shaft (20) the bonded assembly second connecting rod (11) that rotates, the other end of described second connecting rod (11) is connected by the 7th rotating shaft (21) rotatedly with described first attaching parts (9), and the other end of described second connecting rod (11) has a plurality of second teeth (26), have a plurality of first teeth (10) on the standpipe (4) before described, described first tooth (10) is meshed with described second tooth (26), it is on the circumferencial direction in the center of circle that a plurality of described first teeth (10) are distributed in described first rotating shaft (15), and it is on the circumferencial direction in the center of circle that a plurality of described second teeth (26) are distributed in described the 7th rotating shaft (21).
4. child's tricycle according to claim 3 is characterized in that: described the 5th rotating shaft (19) is positioned at the top of described the 3rd rotating shaft (17).
5. child's tricycle according to claim 1 is characterized in that: described vehicle frame (27) also comprises the blocking device (29) that is used to lock described second attaching parts (23) or described first attaching parts (9) and the relative position of described rear wheel support (6).
6. child's tricycle according to claim 5, it is characterized in that: described blocking device (29) comprise be arranged on rotationally that described second attaching parts (23) is gone up or described first attaching parts (9) on latch hook (13), be arranged on the locking bar (28) on the described rear wheel support (6), described blocking device (29) has lock-out state and released state, when described blocking device (29) is in the lock state down, described latch hook (13) hooks described locking bar (28), when described blocking device (29) is under the released state, described latch hook (13) is separated with described locking bar (28).
7. child's tricycle according to claim 6 is characterized in that: be provided with the elastic component (14) that makes that described blocking device (29) stably is in the lock state between described latch hook (13) and described first attaching parts (9).
8. child's tricycle according to claim 1 is characterized in that: described second rotating shaft (16) is positioned at the top of described first rotating shaft (15).
9. child's tricycle according to claim 1, it is characterized in that: described stop gear is for being arranged on the stopper (30) at described first attaching parts (9) rear portion, when described vehicle frame (27) is under the expanded position, described stopper (30) is against on the described rear wheel support (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100805927A CN101244737B (en) | 2007-06-14 | 2008-02-21 | Child tricycle |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200398813U CN201045058Y (en) | 2007-06-14 | 2007-06-14 | Children tricycle |
| CN200720039881.3 | 2007-06-14 | ||
| CN2008100805927A CN101244737B (en) | 2007-06-14 | 2008-02-21 | Child tricycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101244737A CN101244737A (en) | 2008-08-20 |
| CN101244737B true CN101244737B (en) | 2010-07-28 |
Family
ID=39308533
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200398813U Expired - Lifetime CN201045058Y (en) | 2007-06-14 | 2007-06-14 | Children tricycle |
| CN2008100805927A Active CN101244737B (en) | 2007-06-14 | 2008-02-21 | Child tricycle |
| CNU200820002668XU Expired - Fee Related CN201228055Y (en) | 2007-06-14 | 2008-02-21 | Child tricycle |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200398813U Expired - Lifetime CN201045058Y (en) | 2007-06-14 | 2007-06-14 | Children tricycle |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820002668XU Expired - Fee Related CN201228055Y (en) | 2007-06-14 | 2008-02-21 | Child tricycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN201045058Y (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201125772A (en) * | 2010-01-28 | 2011-08-01 | Zhong-Qiang Huang | Spatial conversion mechanism of mobile vehicle |
| US8388005B2 (en) * | 2010-09-29 | 2013-03-05 | Lit Motors Corporation | Foldable scooter |
| KR101195751B1 (en) * | 2012-02-24 | 2012-11-27 | 주식회사 원진테크 | Foldable bicycle using gears |
| CN105620620B (en) * | 2016-03-29 | 2018-06-05 | 太仓市车中宝休闲用品有限公司 | Children's two-wheeled Sitting-type scooter |
| CN105836011B (en) * | 2016-03-29 | 2018-05-11 | 太仓市车中宝休闲用品有限公司 | Children's three-wheel Sitting-type scooter |
| CN105836018B (en) * | 2016-03-29 | 2018-05-08 | 太仓市车中宝休闲用品有限公司 | Foldable baby tricycle |
| CN108945247B (en) * | 2018-07-03 | 2020-12-18 | 郑先平 | Telescopic electric bicycle |
| CN110001845B (en) * | 2019-03-14 | 2024-05-10 | 好孩子儿童用品有限公司 | Folding tricycle |
| JP6748864B1 (en) * | 2020-03-04 | 2020-09-02 | 株式会社ワイディーエス | Drive device and electric vehicle |
-
2007
- 2007-06-14 CN CNU2007200398813U patent/CN201045058Y/en not_active Expired - Lifetime
-
2008
- 2008-02-21 CN CN2008100805927A patent/CN101244737B/en active Active
- 2008-02-21 CN CNU200820002668XU patent/CN201228055Y/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101244737A (en) | 2008-08-20 |
| CN201045058Y (en) | 2008-04-09 |
| CN201228055Y (en) | 2009-04-29 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |