CN201646991U - Child tricycle - Google Patents
Child tricycle Download PDFInfo
- Publication number
- CN201646991U CN201646991U CN2010201136684U CN201020113668U CN201646991U CN 201646991 U CN201646991 U CN 201646991U CN 2010201136684 U CN2010201136684 U CN 2010201136684U CN 201020113668 U CN201020113668 U CN 201020113668U CN 201646991 U CN201646991 U CN 201646991U
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- Prior art keywords
- frame
- leg rest
- rest frame
- child
- vehicle frame
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- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to a child tricycle, which comprises a front fork, a front wheel arranged on the lower part of the front fork, a handlebar arranged on the front fork, a rear frame rotationally connected with the front fork, a seat arranged on the rear frame, a pushing bar arranged on the rear part of the rear frame, a foot frame arranged on the rear frame and pedals arranged on the front wheel. The foot frame is movably arranged on the rear frame and is provided with a first working position and a second working position. A distance a between the frontest part of the foot frame and a first rotating shaft when the foot frame is positioned at the first working position is less than a distance b between the frontest part of the foot frame and the first rotating shaft when the foot frame is positioned at the second working position. A positioning mechanism is arranged between the foot frame and the rear frame. When the child tricycle is pushed to move by an adult, the foot frame is positioned at the first working position and feet of a child are arranged on the foot frame; when the child tricycle is ridden by the child, the foot frame is positioned at the second working position, the child cannot collide the foot frame when stepping the pedals and the child tricycle is comfortable to use.
Description
Technical field
The utility model relates to a kind of child's tricycle
Background technology
Child's tricycle of the prior art, comprise front fork, be arranged at the front-wheel of described front fork bottom by first rotating shaft, be arranged at the handlebar that also can control described front-wheel steering on the described front fork, with described front fork by second rotating shaft vehicle frame behind the bonded assembly that rotates, be arranged at the seat on the vehicle frame of described back, be arranged at the trailing wheel of the both sides of described back vehicle frame respectively, be arranged on the pulling handle rod at vehicle frame rear portion, described back, be arranged at the leg rest frame on the vehicle frame of described back, be arranged at riding on the described front-wheel, the axial line of described first rotating shaft parallels with horizontal surface, the axial line of described second rotating shaft extends along above-below direction, described leg rest frame is fixedly installed on the vehicle frame of described back, ride when sailing when children step on step on the front-wheel by pin, children's heel might collide with the leg rest frame.
Summary of the invention
The utility model provides a kind of child's tricycle
For achieving the above object, the technical solution adopted in the utility model is: a kind of child's tricycle, comprise front fork, be arranged at the front-wheel of described front fork bottom by first rotating shaft, be arranged at the handlebar that also can control described front-wheel steering on the described front fork, with described front fork by second rotating shaft vehicle frame behind the bonded assembly that rotates, be arranged at the seat on the vehicle frame of described back, be arranged at the trailing wheel of the both sides of described back vehicle frame respectively, be arranged on the pulling handle rod at vehicle frame rear portion, described back, be arranged at the leg rest frame on the vehicle frame of described back, be arranged at riding on the described front-wheel, the axial line of described first rotating shaft parallels with horizontal surface, the axial line of described second rotating shaft extends along above-below direction, described leg rest frame is arranged on the vehicle frame of described back versatilely, described leg rest frame has first control position and second control position, when described leg rest frame be between the forefront of described leg rest frame under first control position and described first rotating shaft apart from a, less than being in the forefront of described leg rest frame under second control position and the distance b between described first rotating shaft when described leg rest frame, described leg rest frame is locked in first control position and or the detent mechanism of second control position with described afterwards being provided with between the vehicle frame with described leg rest frame.
In some embodiments, can be that described leg rest frame is arranged on the vehicle frame of described back rotationally, axial line between described leg rest frame and the described back vehicle frame extends along above-below direction, distance c between the most external of the axial line between described leg rest frame and the described back vehicle frame and the toe side of described leg rest frame, greater than between the most external of the heel side of axial line between described leg rest frame and the described back vehicle frame and described leg rest frame apart from d, when described leg rest frame is under first control position, the toe side of described leg rest frame is near described first rotating shaft, when described leg rest frame is under second control position, the heel side of described leg rest frame is near described first rotating shaft.Also can be that described leg rest frame is slidingly arranged on the vehicle frame of described back.
In some further embodiment, described back vehicle frame comprises back vehicle frame body, is fixed on the erecting frame on the vehicle frame body of described back, described erecting frame is positioned at the below of described back vehicle frame body, described leg rest frame is connected rotatedly with described erecting frame, and described detent mechanism is arranged between described leg rest frame and the described erecting frame.Also can be that described erecting frame and described leg rest frame are permanently connected, described erecting frame be connected rotatedly with described back vehicle frame body.
At some further in the embodiment, have jack on the described leg rest frame, described erecting frame is inserted in the described jack, described detent mechanism comprises and is arranged on the locations in two in described leg rest frame and the described erecting frame, be opened in first positioning groove and second positioning groove on another, described detent mechanism has latched position and unlocked position, when described detent mechanism is under the latched position, described locations is inserted in described first positioning groove or described second positioning groove, described leg rest frame only can be slidingly arranged on the described erecting frame along the length direction of described erecting frame, when described detent mechanism is in the unlocked position down, described locations and described first positioning groove, described second positioning groove all is separated, described leg rest frame can slide along the length direction of described erecting frame and can be provided with rotatedly with described erecting frame again, and described detent mechanism also comprises makes described detent mechanism stably be in the elastic component under the latched position.
Again further in the embodiment, offer length direction on the described erecting frame at some, have annular groove on the described leg rest frame, be interspersed with locating dowel pin in described annular groove and the described guide groove along the guide groove that above-below direction extends.Slide up and down in guide groove by described locating dowel pin, thereby the sliding stroke of described leg rest frame is by the length decision of described guide groove.
Continuing further at some, the locating dowel pin described in the embodiment is arranged on the described leg rest frame, described locations is arranged on the described erecting frame, described locations is positioned at the below of described locating dowel pin, the upper end of described elastic component is connected with described locating dowel pin, and the bottom of described elastic component is connected with described locations.
In some embodiments, be provided with the draw bar that is used to control described front-wheel steering between the bottom of described pulling handle rod and the described front fork.
In some embodiments, described leg rest frame comprises the bracing frame that is rigidity, is arranged on the toe board on the described bracing frame.
Scope of the present utility model is not limited to the technical scheme that the particular combinations of above-mentioned technical characterictic forms, and also should contain simultaneously by above-mentioned technical characterictic or its equivalent feature to carry out combination in any and other technical scheme of forming.The technical characterictic that disclosed (but being not limited to) has a similar functions among for example above-mentioned feature and the application is replaced mutually and technical scheme of forming etc.
Because technique scheme utilization, the utility model compared with prior art has following advantage: when children's three-wheel vehicle is carried out by the adult, described leg rest frame is in first control position, children's pin is positioned on the described leg rest frame, when children's three-wheel vehicle during by children's ride-on, described leg rest frame is in second control position, and children step on when riding and can not bump with the leg rest frame, use comfortable.
Description of drawings
Accompanying drawing 2 is block diagram of the present utility model (the leg rest frame is in first control position);
Accompanying drawing 3 is front view of the present utility model (the leg rest frame is in first control position);
Accompanying drawing 4 is front view of the present utility model (the leg rest frame is in second control position);
Accompanying drawing 5 is the cutaway view of the junction of leg rest frame and erecting frame;
Accompanying drawing 6 is the exploded drawings one of leg rest frame and erecting frame;
Accompanying drawing 7 is the exploded drawings two of leg rest frame and erecting frame.
Wherein: 1, front fork; 2, first rotating shaft; 3, front-wheel; 4, trailing wheel; 5, second rotating shaft; 6, back vehicle frame; 7, seat; 8, pulling handle rod; 9, leg rest frame; 10, foot-operated; 11, toe side; 12, heel side; 13, erecting frame; 14, jack; 15, locations; 16, first positioning groove; 18, elastic component; 19, guide groove; 20, locating dowel pin; 21, draw bar.
The specific embodiment
Referring to accompanying drawing 1, a kind of child's tricycle, comprise front fork 1, be arranged at the front-wheel 3 of described front fork 1 bottom by first rotating shaft 2, be fixedly arranged on the described front fork 1 and also can control the handlebar that described front-wheel 3 turns to, with described front fork 1 by second rotating shaft 5 vehicle frame 6 behind the bonded assembly that rotates, be arranged at the seat 7 on the vehicle frame 6 of described back, be arranged at the trailing wheel 4 of the both sides of described back vehicle frame 6 respectively, be arranged on the pulling handle rod 8 at vehicle frame 6 rear portions, described back, be arranged at the leg rest frame 9 on the vehicle frame 6 of described back, be arranged at foot-operated 10 on the described front-wheel 3, the axial line of described first rotating shaft 2 parallels with horizontal surface, the axial line of described second rotating shaft 5 extends along above-below direction, described leg rest frame 9 is arranged on the vehicle frame 6 of described back rotationally, is provided with between the bottom of described pulling handle rod 8 and the described front fork 1 to be used to control the draw bar 21 that described front-wheel 3 turns to.Described front-wheel can be controlled it by dual mode and turn to, and a kind of is that the children that are sitting on the seat 7 make front-wheel steering by the operation handlebar; Another kind is to be positioned at adult after the child's tricycle by rotating pulling handle rod 8, makes its rotation by draw bar 21, and at this moment, children's pin is placed on the toe board.Described leg rest frame 9 comprises the bracing frame that is rigidity, is arranged on the toe board on the described bracing frame.
Described leg rest frame 9 has first control position and second control position, shown in accompanying drawing 3, accompanying drawing 4, when described leg rest frame 9 be between the forefront of described leg rest frame 9 under first control position and described first rotating shaft 2 apart from a, less than being in the forefront of described leg rest frame 9 under second control position and the distance b between described first rotating shaft 2 when described leg rest frame 9, described leg rest frame 9 is locked in first control position and or the detent mechanism of second control position with described afterwards being provided with between the vehicle frame 6 with described leg rest frame 9.
Shown in accompanying drawing 1-accompanying drawing 5, axial line between described leg rest frame 9 and the described back vehicle frame 6 extends along above-below direction, distance c between the most external of the axial line between described leg rest frame 9 and the described back vehicle frame 6 and the toe side 11 of described leg rest frame 9, greater than between the most external of the heel side 12 of axial line between described leg rest frame 9 and the described back vehicle frame 6 and described leg rest frame 9 apart from d, when described leg rest frame 9 is under first control position, the toe side 11 of described leg rest frame 9 is near described first rotating shaft 2, when described leg rest frame 9 is under second control position, the heel side 12 of described leg rest frame 9 is near described first rotating shafts 2.Shown in accompanying drawing 5-accompanying drawing 7, described back vehicle frame 6 comprises back vehicle frame body, is fixed on the erecting frame 13 on the vehicle frame body of described back, described erecting frame 13 is positioned at the below of described back vehicle frame body, described leg rest frame 9 is connected rotatedly with described erecting frame 13, and described detent mechanism is arranged between described leg rest frame 9 and the described erecting frame 13.
Shown in accompanying drawing 5-accompanying drawing 7, have jack 14 on the described leg rest frame 9, described erecting frame 13 is inserted in the described jack 14, described detent mechanism comprises locations 15 and the locations 17 that is arranged on described erecting frame 13 both sides, be opened in first positioning groove 16 and second positioning groove on the described leg rest frame 9, described detent mechanism has latched position and unlocked position, when described detent mechanism is under the latched position, described locations 15 is inserted in in two of described first positioning groove 16 and described second positioning grooves one, described locations 17 is inserted in in two of described first positioning groove 16 and described second positioning grooves another, described leg rest frame 9 only can be slidingly arranged on the described erecting frame 13 along the length direction of described erecting frame 13, when described detent mechanism is in the unlocked position down, described locations 15, described locations 17 respectively with described first positioning groove 16, described second positioning groove all is separated, described leg rest frame 9 can slide along the length direction of described erecting frame 13 and can be provided with rotatedly with described erecting frame 13 again, and described locating dowel pin 20 slides in following described annular groove.Described detent mechanism also comprises makes described detent mechanism stably be in the elastic component 18 under the latched position.When described leg rest frame is in first control position, described locations 15 is inserted in described first positioning groove 16, described locations 17 is inserted in described second positioning groove, when described leg rest frame is in second control position, described locations 15 is inserted in described second positioning groove, and described locations 17 is inserted in described first positioning groove.
Offer length direction on the described erecting frame 13 along the guide groove 19 that above-below direction extends, have annular groove on the described leg rest frame 9, be interspersed with locating dowel pin 20 in described annular groove and the described guide groove 19.
Described locating dowel pin 20 is arranged on the described leg rest frame 9, described locations 15 is arranged on the described erecting frame 13, described locations 15 is positioned at the below of described locating dowel pin 20, the upper end of described elastic component 18 is connected with described locating dowel pin 20, and the bottom of described elastic component 18 is connected with described locations 15.
Described erecting frame has the erecting frame inner chamber, and described locating dowel pin 20, described guide groove 19, described locations all are positioned at described erecting frame inner chamber.
After described leg rest frame 9 was upwards spurred, detent mechanism was in the unlocked position, thereby described leg rest frame 9 can be changed under first control position and second control position.
The foregoing description only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (8)
1. child's tricycle, comprise front fork (1), be arranged at the front-wheel (3) of described front fork (1) bottom by first rotating shaft (2), be arranged at described front fork (1) and upward also can control the handlebar that described front-wheel (3) turns to, with described front fork (1) by second rotating shaft (5) vehicle frame (6) behind the bonded assembly that rotates, be arranged at the seat (7) on the described back vehicle frame (6), be arranged at the trailing wheel (4) of the both sides of described back vehicle frame (6) respectively, be arranged on the pulling handle rod (8) at vehicle frame (6) rear portion, described back, be arranged at the leg rest frame (9) on the described back vehicle frame (6), be arranged at foot-operated (10) on the described front-wheel (3), the axial line of described first rotating shaft (2) parallels with horizontal surface, the axial line of described second rotating shaft (5) extends along above-below direction, it is characterized in that: described leg rest frame (9) is arranged on the described back vehicle frame (6) versatilely, described leg rest frame (9) has first control position and second control position, when described leg rest frame (9) be between the forefront of described leg rest frame (9) under first control position and described first rotating shaft (2) apart from a, less than being in the forefront of described leg rest frame (9) under second control position and the distance b between described first rotating shaft (2) when described leg rest frame (9), described leg rest frame (9) is locked in first control position and or the detent mechanism of second control position with described afterwards being provided with between the vehicle frame (6) with described leg rest frame (9).
2. child's tricycle according to claim 1, it is characterized in that: described leg rest frame (9) is arranged on the described back vehicle frame (6) rotationally, axial line between described leg rest frame (9) and the described back vehicle frame (6) extends along above-below direction, distance c between the most external of the axial line between described leg rest frame (9) and the described back vehicle frame (6) and the toe side (11) of described leg rest frame (9), greater than between the most external of the heel side (12) of axial line between described leg rest frame (9) and the described back vehicle frame (6) and described leg rest frame (9) apart from d, when described leg rest frame (9) is under first control position, the toe side (11) of described leg rest frame (9) is near described first rotating shaft (2), when described leg rest frame (9) is under second control position, the heel side (12) of described leg rest frame (9) is near described first rotating shaft (2).
3. child's tricycle according to claim 2, it is characterized in that: described back vehicle frame (6) comprises back vehicle frame body, is fixed on the erecting frame (13) on the vehicle frame body of described back, described erecting frame (13) is positioned at the below of described back vehicle frame body, described leg rest frame (9) is connected rotatedly with described erecting frame (13), and described detent mechanism is arranged between described leg rest frame (9) and the described erecting frame (13).
4. child's tricycle according to claim 3, it is characterized in that: have jack (14) on the described leg rest frame (9), described erecting frame (13) is inserted in the described jack (14), described detent mechanism comprises and is arranged on the locations (15) in two in described leg rest frame (9) and the described erecting frame (13), be opened in first positioning groove (16) and second positioning groove on another, described detent mechanism has latched position and unlocked position, when described detent mechanism is under the latched position, described locations (15) is inserted in described first positioning groove (16) or described second positioning groove, described leg rest frame (9) only can be slidingly arranged in along the length direction of described erecting frame (13) on the described erecting frame (13), when described detent mechanism is in the unlocked position down, described locations (15) and described first positioning groove (16), described second positioning groove all is separated, described leg rest frame (9) can slide along the length direction of described erecting frame (13) and can be provided with rotatedly with described erecting frame (13) again, and described detent mechanism also comprises makes described detent mechanism stably be in the elastic component (18) under the latched position.
5. child's tricycle according to claim 4, it is characterized in that: offer the guide groove (19) that length direction extends along above-below direction on the described erecting frame (13), have annular groove on the described leg rest frame (9), be interspersed with locating dowel pin (20) in described annular groove and the described guide groove (19).
6. child's tricycle according to claim 5, it is characterized in that: described locating dowel pin (20) is arranged on the described leg rest frame (9), described locations (15) is arranged on the described erecting frame (13), described locations (15) is positioned at the below of described locating dowel pin (20), the upper end of described elastic component (18) is connected with described locating dowel pin (20), and the bottom of described elastic component (18) is connected with described locations (15).
7. child's tricycle according to claim 1 is characterized in that: be provided with between the bottom of described pulling handle rod (8) and the described front fork (1) and be used to control the draw bar (21) that described front-wheel (3) turns to.
8. child's tricycle according to claim 1 is characterized in that: described leg rest frame (9) comprises the bracing frame that is rigidity, is arranged on the toe board on the described bracing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201136684U CN201646991U (en) | 2010-02-09 | 2010-02-09 | Child tricycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201136684U CN201646991U (en) | 2010-02-09 | 2010-02-09 | Child tricycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201646991U true CN201646991U (en) | 2010-11-24 |
Family
ID=43112214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201136684U Expired - Fee Related CN201646991U (en) | 2010-02-09 | 2010-02-09 | Child tricycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201646991U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104071273A (en) * | 2013-03-26 | 2014-10-01 | 叶礼发 | Novel three-wheel baby carrier with rear-control steering |
| CN111377029A (en) * | 2018-12-28 | 2020-07-07 | 张钧迪 | Front pedal bicycle driving device |
-
2010
- 2010-02-09 CN CN2010201136684U patent/CN201646991U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104071273A (en) * | 2013-03-26 | 2014-10-01 | 叶礼发 | Novel three-wheel baby carrier with rear-control steering |
| CN111377029A (en) * | 2018-12-28 | 2020-07-07 | 张钧迪 | Front pedal bicycle driving device |
| CN111377029B (en) * | 2018-12-28 | 2021-04-23 | 张钧迪 | Front pedal bicycle driving device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20190209 |