CN201511989U - Baby carriage having front wheel transformation positioning mechanism - Google Patents
Baby carriage having front wheel transformation positioning mechanism Download PDFInfo
- Publication number
- CN201511989U CN201511989U CN2009201538675U CN200920153867U CN201511989U CN 201511989 U CN201511989 U CN 201511989U CN 2009201538675 U CN2009201538675 U CN 2009201538675U CN 200920153867 U CN200920153867 U CN 200920153867U CN 201511989 U CN201511989 U CN 201511989U
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- wheel
- perambulator
- wheels
- machine structure
- posting machine
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Abstract
The utility model relates to a baby carriage having a front wheel transformation positioning mechanism, which comprises a baby carriage skeleton, a front wheel group and a transformation positioning mechanism, wherein the baby carriage skeleton is provided with a rear wheel shaft and is connected with at least one pair of rear wheels in a pivoting way through the rear wheel shaft; the front wheel group is provided with a wheel seat supporting arm, the wheel seat supporting arm presents in an oblique extension state, the upper end of the wheel seat supporting arm is connected with the front end of the baby carriage skeleton in a pivoting way through a straight pivot rod, and the lower end thereof is connected with at least one front wheel through a front wheel shaft; and the transformation positioning mechanism is arranged between the baby carriage skeleton and the wheel seat supporting arm. The transformation positioning mechanism not only can ensure that the front wheel can rotate leftwards and rightwards so as to change the forwarding direction of the baby carriage, but also can adjust the axle distance of the front and the rear wheels of the baby carriage, so the baby carriage is not only applicable to the fast forward, but also can flexibly rotate at a short distance. Therefore, the user can select and adjust the baby carriage according to different requirements, so the application of the baby carriage can be more convenient.
Description
Technical field
The utility model relates to a kind of stroller configuration, particularly relates to a kind of perambulator with front-wheel transfer posting machine structure that can adjust perambulator front and rear wheel wheelbase.
Background technology
According to the running condition classification, perambulator can be divided into two kinds of GENERAL TYPE and sports types usually, wherein, the vehicle frame of sports type perambulator is generally the three-wheel type, for example in U.S. Patent No. 6,196,572, No.5,876,309 and No.5, disclosed in 536,033 like that.The skeleton of this sports type perambulator has two serviceability usually, comprises normal promotion state and running state, and the latter promptly is the state of kinematic motion when pushing away perambulator and going out to jog.Satisfy the requirement of these two kinds of running conditions, perambulator just need have different characteristics.Specifically, under normal promotion state, the user wishes perambulator short range revolution neatly; And under the running state, the user wishes that then perambulator has the mobile stability and difficult turning of height, thereby can effectively avoid perambulator drift off the runway out of control in traveling process.
Traditional three-wheel type perambulator because the wheelbase of its front and rear wheel is fixed, is not easy to satisfy simultaneously the demand of above-mentioned two kinds of serviceability at present, therefore needs further improvement.
The utility model content
For overcoming the defective that exists in the above-mentioned prior art, the purpose of this utility model provides a kind of later-model perambulator with front-wheel transfer posting machine structure, this front-wheel transfer posting machine structure can be adjusted the wheelbase of perambulator front and rear wheel, perambulator both had been applicable to fast advances, short range is circled round neatly again.
In order to realize above-mentioned purpose of the present utility model, the utility model provides a kind of perambulator with front-wheel transfer posting machine structure, it comprises having the perambulator skeleton that launches stationary state and folding state, this perambulator skeleton has hind axle, by this hind axle, this perambulator skeleton and at least one pair of trailing wheel articulate; Preceding wheels, it is provided with a wheel seat support arm, and this wheel seat support arm is the state of tiltedly stretching, and its upper end is by directly being articulated in the front end of perambulator skeleton to hinged arm, and its lower end articulates at least one front vehicle wheel by front wheel spindle; And being installed in transfer posting machine structure between perambulator skeleton and the wheel seat support arm, wheels can be positioned the primary importance or the second place in rotating mode before this transfer posting machine structure made.
Front-wheel transfer posting machine structure of the present utility model not only can change the working direction of perambulator, but also can adjust the wheelbase of perambulator front and rear wheel, perambulator both had been applicable to fast advances, and short range is circled round neatly again.Current, trailing wheel be in wheelbase bigger primary importance the time, perambulator can stably advance fast; When current, trailing wheel is in the less second place of wheelbase, perambulator short range revolution neatly.Therefore, the user can select and adjusts according to different needs, makes the use of perambulator convenient more.
Description of drawings
Fig. 1 is at the schematic perspective view of skeletal fixation during in primary importance according to the perambulator with front-wheel transfer posting machine structure of a preferred embodiment of the utility model;
Fig. 2 is a perambulator shown in Fig. 1 at the side schematic view of skeletal fixation during in primary importance;
Sectional perspective scheme drawing when Fig. 3 is transfer posting machine structure and the combination of preceding wheels;
Fig. 4 is the exploded view of transfer posting machine structure and preceding wheels;
Fig. 5 utilizes the transfer posting machine structure to adjust the hint effect figure of front and rear wheel wheelbase;
Fig. 6 is a perambulator shown in Fig. 1 at the schematic perspective view of skeletal fixation during in the second place;
Fig. 7 is a perambulator shown in Fig. 1 at the side schematic view of skeletal fixation during in the second place;
The action that Fig. 8 is the preceding wheels that schematically show the perambulator skeleton when primary importance turns to the second place;
Fig. 9 is the structural representation of a kind of alternate embodiment of conversion detent mechanism in the utility model; And
Figure 10 is the action scheme drawing that utilizes the preceding wheels of perambulator skeleton of the structure of transfer posting machine shown in Fig. 9.
Reference numeral:
2 permanent seats; Wheels before 3; 4 transfer posting machine structures; 5 transfer posting machine structures;
Wheels before 6; 10 perambulator skeletons; 11 front frames; 12 after poppets; 13 connecting rods;
14 mountings; 15 control joints; 16 handspikes; 17 seating positions; 18 back wheels;
19 cross bar portions; 21 fixed orifices; 22 pivoted holes; 31 wheel seat support arms; 32 front vehicle wheels;
33 spacers; 34 directly to hinged arm; 36 first knock holees; 37 second knock holees;
38 transverse pivot; 40 primary importances; 41 locationss; 42 elastic partss;
50 second places; 51 locationss; 52 elastic partss; 60 wheel seat support arms; 61 fixed plates; 63 front vehicle wheels; 70 primary importances; 71 second places; 100 big bearing surfaces;
200 less bearing surfaces; 331 directly to the pivot hole; 332 horizontal pivot holes; 611 first knock holees; 612 second knock holees; The wheelbase that D1 is long; The wheelbase that D2 is short.
The specific embodiment
Below with reference to accompanying drawings preferred implementation of the present utility model is elaborated.
Please referring to the front-wheel transfer posting machine structure shown in Fig. 1-4, will be specifically described as example with the skeleton 10 that uses the foldable three-wheel sport car of being generally of this front-wheel transfer posting machine structure (Jogger) below.But the utility model is not limited to implement on three-wheel vehicle, and general four-wheel perambulator also can be used.
Preferably, in the present embodiment, foldable three-wheel sport car skeleton 10 has fixing running condition of expansion and the folding state that is used to collect, transport, and this skeleton 10 is articulated each other by front frame 11, after poppet 12, connecting rod 13, mounting 14, control joint 15 and handspike 16 and forms.And this skeleton 10 comprises that is used for the seating position 17 that confession baby child takes.
In addition, the lower end of after poppet 12 is provided with hind axle and is pivoted pair of rear wheels group 18, and front frame 11 is by roughly being being configured to of " U " type, and the cross bar portion 19 of its lower end is provided with permanent seat 2, this front frame 11 by front wheel spindle be pivoted one or a pair of before wheels 3.As shown in Figure 5, preceding wheels 3 and back wheels 18 are by the switching of a wheelbase D1 and D2 big bearing surface 100 of common formation and a less bearing surface 200.
Please continue referring to Fig. 3 and Fig. 4.As seen from the figure, permanent seat 2 is provided with fixed orifice 21 and pivoted hole 22.Before wheels 3 comprise wheel seat support arm 31, front vehicle wheel 32, spacer 33, directly to hinged arm 34 and transverse pivot 38, wherein, front vehicle wheel 32 is hubbed on the front wheel spindle of wheel seat support arm 31 lower ends and can does freely to roll 33 upper ends of being fixed in wheel seat support arm 31 of spacer.This wheel seat support arm 31 is by directly articulating to hinged arm 34 and spacer 33, and then makes the wheel seat support arm 31 can be with respect to spacer 33 left and right revolutions, thereby drives front vehicle wheel 32 left and right revolutions, and then changes the direct of travel of perambulator.Preferably, this wheel seat support arm 31 is the state of tiltedly stretching, and forms and to stablize front vehicle wheel 32 the rotating directions required elevation angle or inclination angle, thereby can moderately stablize the direct of travel of perambulator.
Transfer posting machine structure 4 of the present utility model is installed between preceding wheels 3 and the front frame 11, it comprises locations 41 and elastic parts 42, wherein, locations 41 is installed in permanent seat 2 movably, and keep running through first or second knock hole 36,37 of spacer 33 by elastic parts 42, thereby realize fixed orifice 21 snap fit with permanent seat 2.
Shown in Fig. 2,5 and 8, the user can pull locations 41 make its run through before wheels 3 first knock hole 36 and with fixed orifice 21 snaps into position, thereby make before wheels 3 be positioned at primary importance 40.The user also can pull locations 41 makes it break away from the fixed orifice 21 and first knock hole 36, at this moment, the spacer 33 of preceding wheels 3 is that the axle center turns to the second place 50 from primary importance 40 with transverse pivot 38, run through second knock hole 37 by locations 41 again and realize and fixed orifice 21 buckles, thereby wheels 3 are fixed in the second place 50 before making.
Shown in Fig. 5,8, when current wheels 3 are positioned at primary importance 40, have long wheelbase D1 between the front and rear wheel, thereby make perambulator have a bigger bearing surface 100, perambulator is stablized working direction easily like this, is suitable for using under the situation faster in running or other speed.Please be simultaneously referring to shown in Fig. 6-8, when current wheels 3 are positioned at the second place 50, have short wheelbase D2 between the front and rear wheel, thereby make perambulator have less bearing surface 200, perambulator can be finished revolution in short range like this, the flexibility ratio when having improved steer direction.
From Fig. 8, can also see, can make perambulator both go for general promotion, also can when running, promote according to the different center of gravity height of adjusting seating position 17 of the radian that preceding wheels 3 rotate.For example, when preceding wheels 3 are transferred to primary importance 40, the center of gravity the when center of gravity of seating position 17 is lower than it and is positioned at the second place 50, the degree of stability in the time of so just can improving skeleton 10 quick travel.
Fig. 9,10 shows a kind of alternate embodiment according to transfer posting machine structure of the present utility model, and wherein, transfer posting machine structure 5 is articulated between preceding wheels 6 and the permanent seat 2.Should comprise wheel seat support arm 60, fixed plate 61 and the front vehicle wheel of tiltedly stretching 63 by preceding wheels 6, wherein, the wheel seat support arm of tiltedly stretching 60 articulates by front wheel spindle and the front vehicle wheel 63 that its lower end is provided with, and its upper end is connected with fixed plate 61.This fixed plate 61 articulates by vertical axostylus axostyle (not shown) and permanent seat 2, and is provided with first knock hole 611 and second knock hole 612 on this fixed plate 61.
In the present embodiment, transfer posting machine structure 5 comprises locations 51 and elastic parts 52, and wherein, locations 51 is installed in permanent seat 2 movably, and it keeps buckling into first knock hole 611 or second knock hole 612 by elastic parts 52.By the pivot joint of fixed plate 61 with permanent seat 2, wheel seat support arm 60 can with respect to permanent seat 2 along the revolution of vertical axostylus axostyle (not shown) and forward, the fixing primary importance 70 and the second place 71 of tiltedly stretching in backwards, thereby produce as long wheelbase D1 shown in Figure 8 and the effect of short wheelbase D2.
In addition, transfer posting machine structure 4,5 of the present utility model also can substitute enforcement with other technology commonly used, as in U.S. Patent No. 6,671, and the structure disclosed in 926.
More than disclosed only be preferred embodiment of the present utility model, can not limit rights protection scope of the present utility model with this certainly.Be appreciated that the equivalent variations of doing according to the utility model essence defined in the appended claims and scope, still belong to the scope that the utility model is contained.
Claims (11)
1. perambulator with front-wheel transfer posting machine structure comprises:
Have the perambulator skeleton that launches stationary state and folding state, it has hind axle, and described perambulator skeleton articulates by described hind axle and at least one pair of trailing wheel;
Preceding wheels, it is provided with a wheel seat support arm, and described wheel seat support arm is the state of tiltedly stretching, and its upper end is by directly being articulated in the front end of described perambulator skeleton to hinged arm, and its lower end articulates at least one front vehicle wheel by front wheel spindle;
It is characterized in that described perambulator also comprises the transfer posting machine structure that is installed between described perambulator skeleton and the described wheel seat support arm, described transfer posting machine structure makes described preceding wheels be positioned the primary importance or the second place in rotating mode.
2. the perambulator with front-wheel transfer posting machine structure as claimed in claim 1, it is characterized in that, described perambulator skeleton is provided with a seating position, when wheels are positioned described primary importance before described, the center of gravity of described seating position be lower than described before the center of gravity of wheels when being positioned the described second place.
3. the perambulator with front-wheel transfer posting machine structure as claimed in claim 1 is characterized in that, when wheels are positioned described primary importance before described, has one relative to the wheelbase of growing between described front wheel spindle and the described hind axle.
4. the perambulator with front-wheel transfer posting machine structure as claimed in claim 1 is characterized in that, when wheels are positioned the described second place before described, has one relative to the wheelbase of lacking between described front wheel spindle and the described hind axle.
5. the perambulator with front-wheel transfer posting machine structure as claimed in claim 1 is characterized in that, described perambulator skeleton comprises a front frame, and described preceding wheels are installed in the lower end of described front frame rotationally.
6. the perambulator with front-wheel transfer posting machine structure as claimed in claim 5 is characterized in that, is fixed with the permanent seat that is used to install described preceding wheels on the described front frame, and described permanent seat comprises fixed orifice.
7. the perambulator with front-wheel transfer posting machine structure as claimed in claim 5, it is characterized in that, wheels include spacer before described, and described spacer articulates by transverse pivot and described permanent seat, is provided with first knock hole and second knock hole on described spacer.
8. the perambulator with front-wheel transfer posting machine structure as claimed in claim 7 is characterized in that, described before wheels when described primary importance moves to the described second place along described transverse pivot rotation.
9. the perambulator with front-wheel transfer posting machine structure as claimed in claim 1 is characterized in that, described transfer posting machine structure comprises:
Be installed in the locations of described permanent seat, its run through movably described first or second knock hole and with described fixed orifice snap fit;
Be installed in the elastic parts between described skeleton and the described locations, it is used to keep the snap fit of described locations to described fixed orifice.
10. the perambulator with front-wheel transfer posting machine structure as claimed in claim 9 is characterized in that, when described locations runs through described first knock hole and during with described fixed orifice buckle, described before wheels be positioned at described primary importance; When described locations runs through described second knock hole and during with described fixed orifice buckle, described before wheels be positioned at the described second place.
11. the perambulator with front-wheel transfer posting machine structure as claimed in claim 1, it is characterized in that, wheels are provided with the wheel seat support arm of tiltedly stretching before described, its upper end articulates with described perambulator skeleton and can be along described directly to a hinged arm left side, right-hand rotation, its lower end is connected with described front vehicle wheel by described front wheel spindle, when described preceding wheels are positioned described primary importance, described wheel seat support arm is tiltedly stretched forward, when described preceding wheels are positioned the described second place, described wheel seat support arm is stretched towards retreading, and can form relative long wheelbase between described front wheel spindle and the described hind axle or relatively than the wheelbase of weak point thereby make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201538675U CN201511989U (en) | 2009-05-07 | 2009-05-07 | Baby carriage having front wheel transformation positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201538675U CN201511989U (en) | 2009-05-07 | 2009-05-07 | Baby carriage having front wheel transformation positioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201511989U true CN201511989U (en) | 2010-06-23 |
Family
ID=42483390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201538675U Expired - Fee Related CN201511989U (en) | 2009-05-07 | 2009-05-07 | Baby carriage having front wheel transformation positioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201511989U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104015776A (en) * | 2014-06-03 | 2014-09-03 | 好孩子儿童用品有限公司 | Stroller |
-
2009
- 2009-05-07 CN CN2009201538675U patent/CN201511989U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104015776A (en) * | 2014-06-03 | 2014-09-03 | 好孩子儿童用品有限公司 | Stroller |
| CN104015776B (en) * | 2014-06-03 | 2017-01-25 | 好孩子儿童用品有限公司 | Stroller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528414 No. 28 Kwai Hing Road, Dongsheng Town, Zhongshan, Guangdong Patentee after: ZHONGSHAN LERUI INFANT AND CHILDREN PRODUCTS CO., LTD. Address before: 528414 No. 28 Kwai Hing Road, Dongsheng Town, Zhongshan, Guangdong Patentee before: Zhongshan City Longcheng Daily-Use Article Co., Ltd. |
|
| 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: 20100623 Termination date: 20160507 |