CN202557702U - Self-propelled pram - Google Patents
Self-propelled pram Download PDFInfo
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- CN202557702U CN202557702U CN2012201816691U CN201220181669U CN202557702U CN 202557702 U CN202557702 U CN 202557702U CN 2012201816691 U CN2012201816691 U CN 2012201816691U CN 201220181669 U CN201220181669 U CN 201220181669U CN 202557702 U CN202557702 U CN 202557702U
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- girder
- self
- crossbeam
- outer tube
- front support
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Abstract
The utility model discloses a self-propelled pram which comprises wheels, a bicycle type driving mechanism and a frame assembly. The frame assembly is used for mounting the wheels and supporting the bicycle type driving mechanism, the wheels comprises a back wheel and two transverse juxtaposed front wheels, the frame assembly comprises a back frame and a front frame fixedly connected with the back frame, the front frame comprises two transverse juxtaposed front supporting rods, a head pipe is fixedly arranged on the front supporting rods respectively, and the two front wheels are mounted on the two head pipes through respective front forks in one-to-one correspondence and positioned between the two front supporting rods to form a space for mounting a baby crib or seat. The space for carrying a baby is effectively protected by the head pipes and the front supporting rods to make rapid moving of the pram possible, and the pram can rapidly move in a way of bicycle riding according to needs and is adaptive to rapid moving mode, so that the pram is safe and rapid moving is realized while baby safety is guaranteed, and application range of the pram is expanded to enable the pram to be better suitable for efficient and fast-paced lives.
Description
Technical field
The utility model relates to a kind of bicycle of function expansion, particularly a kind of self-propelled perambulator.
Background technology
Perambulator is the quickening gradually of one of a kind of baby's maintenance necessary tool, particularly Along with people's rhythm of life, and in order to practice thrift baby's cost of accompanying and attending to, perambulator is requisite articles for use in baby's developmental process especially.Existing perambulator generally adopts the structure of hand push, comprises the perambulator of the structure that lies low and the perambulator of sitting posture, and along with development of science and technology, the perambulator that lies low can be folded into the perambulator of sitting posture according to condition of service, and it is comparatively convenient to use.But above-mentioned perambulator can only hand push, and action speed is slower, and floor area is bigger, carries inconvenience, limits its range of use.
For addressing the above problem, Chinese patent 200620158365.8 discloses a kind of folding bicycle, behind folded deformation, can form perambulator etc., and the bicycle function is expanded; But because its function diversity is not considered the detailed problem that bicycle should be considered as perambulator; Such as safety and comfort feature; Can not adjust size as required, thereby commonality is relatively poor.
Therefore, need a kind of car for baby, can be as required with by bike mode fastrunning, and adapt to the walking manner of this car fastrunning, make this perambulator have safety, guarantee baby's safety when guaranteeing fastrunning.
The utility model content
In view of this, the purpose of the utility model provides a kind of self-propelled perambulator, can be as required with by bike mode fastrunning, and adapt to the walking manner of this car fastrunning, make this perambulator have safety, guarantee baby's safety when guaranteeing fastrunning.
The self-propelled perambulator of the utility model; Comprise wheel, bicycle type driver train and be used to the frame assembly wheel being installed and being supported the bicycle type driver train; Said wheel comprises trailing wheel and two horizontal front-wheels arranged side by side; Frame assembly comprises back vehicle frame and the front vehicle frame of captiveing joint with it, and said front vehicle frame comprises two front support rods that laterally are set up in parallel, and two front support rods are fixed with the head pipe respectively; The corresponding one by one front fork through separately of two front-wheels is installed on two stature pipes, between two front support rods, is formed for installing the space of baby carrier or seat.
Further, the front fork of two front-wheels is upwards corresponding respectively to be provided with the handlebar that is used for the control vehicle direction of travel, and on the direction of Vehicular turn, is in transmission connection at least between two front forks;
Further, two front support rods form the triangular structure of facade longitudinally with cooresponding head pipe respectively, and the space that is used to install baby carrier or seat is formed between two triangular structures;
Further; Front frame also comprises two entablature and preceding girders that front support rod is fixedly connected; Said back vehicle frame comprises the central axis seat that is used to install axis, be fixedly connected on central axis seat is used to support the back girder of bike saddle and is fixedly connected on the chain stay that central axis seat is used to install trailing wheel, said before girder be fixedly connected on central axis seat and form tripod structure jointly with the back girder;
Further; Be provided with the bracing frame that is used to support baby carrier or seat between two front support rods; Support frame as described above comprises corresponding respectively two montants on the front support rod and the vertical pole that is connected in two montant lower ends of being connected in, and said vertical pole also is connected with cooresponding front support rod or head pipe;
Further, said preceding girder is articulated in entablatrance, and entablatrance is fixed with the dowel disc of preceding girder along hinged rotation direction multipoint positioning; Said entablatrance and preceding girder are length-adjustable structure;
Further, said vertical pole front end captive joint and to extending below and be provided with the pedal pipe link, said pedal pipe link is provided with tabular pedal, and said pedal pipe link extends tabular pedal downwards and is provided with the damper spring to tabular pedal vibration damping;
Further, the bicycle type driver train comprises the driven sprocket that is installed on the drive sprocket of central axis seat and cooperates with the drive sprocket transmission through messenger chain through the axis normal-running fit, and said driven sprocket cooperates with the trailing wheel transmission;
Further; Said crossbeam comprises the crossbeam inner sleeve that is placed in the crossbeam outer tube in crossbeam outer tube and apportion crossbeam outer tube two ends and the bearing fit; Be equipped with the crossbeam locking piece between two crossbeam inner sleeves and the crossbeam outer tube, two front support rod correspondences are fixedly connected on two crossbeam inner sleeve outboard end; The preceding girder inner sleeve of girder outer tube before being placed in girder outer tube and the bearing fit before girder comprises before said, girder locking piece before being provided with between said preceding girder outer tube and the preceding girder inner sleeve; Be in transmission connection on the direction of Vehicular turn through the deflecting bar assembly between two front forks; Said deflecting bar assembly comprises corresponding respectively two vertical rocking bars of captiveing joint and extending back with two front forks; Two vertical rocking bars are hinged with horizontal rocking bar respectively, connect through steering lock spare between the two horizontal rocking bars;
Further; Said dowel disc is a girder both lateral sides before two apportions; Two dowel discs are equipped with along the deep-slotted chip breaker of the hinged rotation direction of preceding girder; Its arcuate directions of deep-slotted chip breaker upper edge is distributed with the positioning groove of radial depressions, and said preceding girder is provided with the locating dowel pin that the two ends correspondence is passed two deep-slotted chip breakers on the locating plate, and said locating dowel pin vertically has along preceding girder makes it embed the elasticity predetermincd tension of positioning groove.
The beneficial effect of the utility model: the self-propelled perambulator of the utility model, adopt two front-wheels and corresponding to a front support rod and a tubular construction of two front-wheels, and the space that baby carrier or seat be installed is between two front support rods; By head pipe and front support rod this space is formed effective protection; Make the perambulator fastrunning become possibility, can be as required with by bike mode fastrunning, and adapt to the walking manner of this car fastrunning; Make this perambulator have safety; Guarantee baby's safety in the time of with the assurance fastrunning, make the Applicable scope of perambulator obtain bigger expansion, more can be adapted to efficient allegro life.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model plan structure scheme drawing;
Fig. 3 is a kind of status architecture scheme drawing for the utility model is folded into;
Fig. 4 is folded into second kind of status architecture scheme drawing for the utility model;
Fig. 5 is the structural representation after the utility model lateral contraction;
Fig. 6 is the locating plate structural representation;
Fig. 7 is the beam structure scheme drawing;
Fig. 8 is a deflecting bar unit construction scheme drawing;
Fig. 9 is the deflecting bar assembly plan view;
Figure 10 is preceding girder inner sleeve structural representation;
Figure 11 is preceding girder outer sleeve structure scheme drawing.
The specific embodiment
Fig. 1 is the utility model structural representation, and Fig. 2 is the utility model plan structure scheme drawing, and Fig. 3 is a kind of status architecture scheme drawing for the utility model is folded into; Fig. 4 is folded into second kind of status architecture scheme drawing for the utility model, and Fig. 5 is the structural representation after the utility model lateral contraction, and Fig. 6 is the locating plate structural representation; Fig. 7 is the beam structure scheme drawing, and Fig. 8 is a deflecting bar unit construction scheme drawing, and Fig. 9 is the deflecting bar assembly plan view; Figure 10 is preceding girder inner sleeve structural representation; Figure 11 is preceding girder outer sleeve structure scheme drawing, and is as shown in the figure: the self-propelled perambulator of present embodiment comprises wheel, bicycle type driver train and is used to the frame assembly wheel being installed and being supported the bicycle type driver train; Said wheel comprises trailing wheel 16 and two horizontal front-wheels arranged side by side 1; Frame assembly comprises back vehicle frame and the front vehicle frame of captiveing joint with it, and said front vehicle frame comprises that 7, two front support rods 7 of two front support rods that laterally are set up in parallel are fixed with head pipe 6 respectively; The corresponding one by one front fork 8 through separately of two front-wheels 1 is installed on two stature pipes 6, between two front support rods 7, is formed for installing the space of baby carrier or seat; During practical application, for less baby, baby carrier can be installed in this space, for bigger baby the seat can be installed, and is detachable connection, realizes removable purpose; The bicycle type driver train refers to consistent with bicycle type of drive of the prior art, comprises manually and the bicycle drive pattern of pedal; Present embodiment is a foot pedal type.
In the present embodiment; The upwards corresponding respectively handlebar 19 that is used for the control vehicle direction of travel that is provided with of the front fork 8 of two front-wheels 1; And on the direction of Vehicular turn, be in transmission connection at least between two front forks 8; This mode of being in transmission connection can be the synchronous steering structure of existing three-wheel vehicle, all can realize the utility model purpose.
In the present embodiment, two front support rods 7 form the triangular structure of facade longitudinally with cooresponding head pipe 6 respectively, and vertically facade is meant along the perpendicular of vehicle fore-and-aft direction; The space that is used to install baby carrier or seat is formed between two triangular structures, because each front support rod forms a triangular form structure with its cooresponding head pipe, thereby triangular structure is two; Triangular structure has firm structure, further increases resistance to overturning and reaches safety preferably; Simultaneously, this space has and utilizes effect preferably, can make this stroller configuration compact.
In the present embodiment, front vehicle frame comprises also that with the entablatrance of two front support rod 7 captive joints and preceding girder the captive joint mode can be direct captive joint, such as welding, bolted connection etc.; Also can be the captive joint that to adjust the connection side position, pass through bolted connection such as a plurality of knock holees; Said back vehicle frame comprises the central axis seat 29 that is used to install axis, be fixedly connected on central axis seat 29 is used to support the back girder 14 of bike saddle 13 and is fixedly connected on the chain stay 23 that central axis seat 29 is used to install trailing wheel 16, said before girder be fixedly connected on central axis seat 29 and with the back girder 14 common tripod structures that form; Structural arrangement is neatly compact, the compactness of assurance the utility model structure, neat and light.
In the present embodiment; Be provided with the bracing frame that is used to support baby carrier or seat between two front support rods 7; Support frame as described above comprises corresponding respectively two montants 9 on the front support rod 7 and the vertical pole 20 that is connected in two montant 9 lower ends of being connected in; Said vertical pole 20 also is connected with cooresponding front support rod 7 or head pipe 6, and present embodiment is connected with front support rod 7; As shown in the figure; Between vertical pole 20 and the cooresponding front support rod 7 and between montant and the cooresponding front support rod respectively the axostylus axostyle 28 through separately be articulated and connected; Make bracing frame can have the corresponding movable surplus; Thereby make seat or baby carrier on the bracing frame have the better damping effect, improve traveling comfort, be applicable to perambulator; Can certainly be captive joint, also can realize the purpose of the utility model to a certain extent.
In the present embodiment; Girder is articulated in entablatrance before said; Entablatrance is fixed with the dowel disc 10 of preceding girder along hinged rotation direction multipoint positioning, but multipoint positioning is meant the stationary positioned in the direction many places of hinged rotation, comprises the structure of screw or locating dowel pin and so on; Said entablatrance and preceding girder are length-adjustable structure; This structure can reduce the volume of the utility model when not using; Perhaps adjust length as required; Improve the adjusting of the commonality, particularly lateral length of the utility model, be beneficial to and lay baby carrier and according to the big minor adjustment of baby carrier; Length-adjustable structure can adopt any adjustable structure of prior art, comprises sleeve structure or many bolt fastening structures etc.
In the present embodiment, said vertical pole 20 front end captive joints and to extending below and be provided with pedal pipe link 4, said pedal pipe link 4 is provided with tabular pedal 3, and said pedal pipe link 4 extends tabular pedal 3 downwards and is provided with the damper spring to tabular pedal vibration damping; Improve traveling comfort and strengthen safety, further be applicable to perambulator; As shown in the figure, also be provided with handrail 5 simultaneously, handrail 5 is fixedly set in vertical pole 20 front ends and extends upward, and is suitable for sitting posture.
In the present embodiment, the bicycle type driver train comprises the driven sprocket 17 that is installed on the drive sprocket 18 of central axis seat 29 and cooperates with drive sprocket 18 transmissions through messenger chain 15 through the axis normal-running fit, and said driven sprocket 17 cooperates with trailing wheel 16 transmissions.
In the present embodiment; Said crossbeam comprises the crossbeam inner sleeve 23 that is placed in crossbeam outer tube 22 in crossbeam outer tube 22 and apportion crossbeam outer tube 22 two ends and the bearing fit; Be equipped with the crossbeam locking piece between two crossbeam inner sleeves 23 and the crossbeam outer tube 22; The crossbeam locking piece uses bolt or screw usually, also can adopt the jackscrew structure; As shown in the figure, crossbeam outer tube 22 is provided with vertical bar shaped groove 22a, and crossbeam inner sleeve 23 also can be shifted one's position along crossbeam through the lock bolt locking of passing vertical bar shaped groove 22a; Two front support rod 7 correspondences are fixedly connected on two crossbeam inner sleeve 23 outboard end, can weld, but also bolted connection; The preceding girder inner sleeve 11 of girder outer tube 12 before being placed in girder outer tube 12 and the bearing fit before girder comprises before said; Girder locking piece before being provided with between girder outer tube 12 and the preceding girder inner sleeve 11 before said; Equally; Preceding girder locking piece also can adopt bolt or screw, also can adopt the jackscrew structure, and is as shown in the figure; Preceding girder inner sleeve 11 is provided with vertical bar shaped groove 11a, and preceding girder outer tube 12 also can vertically be shifted one's position along preceding girder through the lock bolt locking of passing vertical bar shaped groove 11a; Be in transmission connection on the direction of Vehicular turn through the deflecting bar assembly between two front forks 8; Said deflecting bar assembly comprises corresponding respectively two vertical rocking bars 21 of captiveing joint and extending back with two front forks 8; Two vertical rocking bars 21 are hinged with horizontal rocking bar 24 respectively; Then laterally rocking bar 24 corresponds to two, connects through steering lock spare between two horizontal rocking bars 24; As shown in the figure, in the present embodiment, steering lock spare is a bolt 27; Bolt 27 also has vertical edge of a wing 26; The bolt hole 24a that two horizontal rocking bars 24 are opened and this edge of a wing 26 corresponding radial depressions 24b that the edge of a wing 26 is embedded that form, for can normal direction of rotation after the lateral adjustments that guarantees front vehicle frame, corresponding with the flexible state of crossbeam; Radial depressions 24b is many groups and column distribution at circumferencial direction, and present embodiment is three groups (two every group corresponding with vertical edge of a wing 26); Can make two angles between the horizontal rocking bar 24 be adapted to the flexible state of crossbeam, prevent to rotate between two horizontal rocking bars 24, influence turns to.
In the present embodiment; Said dowel disc 10 is a girder both lateral sides before two apportions, and two dowel discs 10 are equipped with along the deep-slotted chip breaker 10a of the hinged rotation direction of preceding girder, and its arcuate directions of deep-slotted chip breaker 10a upper edge is distributed with the positioning groove 10b of radial depressions; As shown in the figure; Present embodiment positioning groove 10b is three, makes perambulator be in three kinds of different state respectively, i.e. Fig. 1, Fig. 3 and three kinds of configuration states shown in Figure 4; Easy to use; Girder is provided with the locating dowel pin 25 that the two ends correspondence is passed two deep-slotted chip breaker 10a on the locating plate before said, and said locating dowel pin 25 vertically has along preceding girder makes it embed the elasticity predetermincd tension of positioning groove 10b; In the state wherein shown in Figure 3, when locating dowel pin 25 cooperates with middle positioning groove 10b, the state of perambulator for pushing away away; Certainly, also can adopt and wear the directly fixing mode of pin, also can realize the utility model purpose.
In the said structure; Because the montant 9 of two front-wheels 1, front fork 8, front support rod 7, head pipe 6, bracing frame and vertical pole 20, pedal pipe link 4, tabular pedal 3, crossbeam inner sleeve 23, vertically rocking bar 21 and laterally rocking bar 24 be two; And two block constructions are identical, thereby all adopt identical Reference numeral among the embodiment.
The utility model combines the advantage of perambulator and bicycle; Make the utility model diverse in function, simple in structure, use or easy to carry, cost is low, has marketable value widely.
Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model; And not breaking away from the aim and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (10)
1. self-propelled perambulator; It is characterized in that: comprise wheel, bicycle type driver train and be used to the frame assembly wheel being installed and being supported the bicycle type driver train; Said wheel comprises trailing wheel and two horizontal front-wheels arranged side by side; Frame assembly comprises back vehicle frame and the front vehicle frame of captiveing joint with it, and said front vehicle frame comprises two front support rods that laterally are set up in parallel, and two front support rods are fixed with the head pipe respectively; The corresponding one by one front fork through separately of two front-wheels is installed on two stature pipes, between two front support rods, is formed for installing the space of baby carrier or seat.
2. self-propelled perambulator according to claim 1 is characterized in that: the front fork of two front-wheels is upwards corresponding respectively to be provided with the handlebar that is used for the control vehicle direction of travel, and on the direction of Vehicular turn, is in transmission connection at least between two front forks.
3. self-propelled perambulator according to claim 2 is characterized in that: two front support rods form the triangular structure of facade longitudinally with cooresponding head pipe respectively, and the space that is used to install baby carrier or seat is formed between two triangular structures.
4. self-propelled perambulator according to claim 3; It is characterized in that: front vehicle frame also comprises the entablatrance of two front support rod captive joints and preceding girder; Said back vehicle frame comprises the central axis seat that is used to install axis, be fixedly connected on central axis seat is used to support the back girder of bike saddle and is fixedly connected on the chain stay that central axis seat is used to install trailing wheel, said before girder be fixedly connected on central axis seat and form tripod structure jointly with the back girder.
5. self-propelled perambulator according to claim 4; It is characterized in that: be provided with the bracing frame that is used to support baby carrier or seat between two front support rods; Support frame as described above comprises corresponding respectively two montants on the front support rod and the vertical pole that is connected in two montant lower ends of being connected in, and said vertical pole also is connected with cooresponding front support rod or head pipe.
6. self-propelled perambulator according to claim 5 is characterized in that: girder is articulated in entablatrance before said, and entablatrance is fixed with the dowel disc of preceding girder along hinged rotation direction multipoint positioning; Said entablatrance and preceding girder are length-adjustable structure.
7. self-propelled perambulator according to claim 6; It is characterized in that: said vertical pole front end captive joint and to extending below and be provided with the pedal pipe link; Said pedal pipe link is provided with tabular pedal, and said pedal pipe link extends tabular pedal downwards and is provided with the damper spring to tabular pedal vibration damping.
8. self-propelled perambulator according to claim 7; It is characterized in that: the bicycle type driver train comprises the driven sprocket that is installed on the drive sprocket of central axis seat and cooperates with the drive sprocket transmission through messenger chain through the axis normal-running fit, and said driven sprocket cooperates with the trailing wheel transmission.
9. self-propelled perambulator according to claim 8; It is characterized in that: said crossbeam comprises the crossbeam inner sleeve that is placed in the crossbeam outer tube in crossbeam outer tube and apportion crossbeam outer tube two ends and the bearing fit; Be equipped with the crossbeam locking piece between two crossbeam inner sleeves and the crossbeam outer tube, two front support rod correspondences are fixedly connected on two crossbeam inner sleeve outboard end; The preceding girder inner sleeve of girder outer tube before being placed in girder outer tube and the bearing fit before girder comprises before said, girder locking piece before being provided with between said preceding girder outer tube and the preceding girder inner sleeve; Be in transmission connection on the direction of Vehicular turn through the deflecting bar assembly between two front forks; Said deflecting bar assembly comprises corresponding respectively two vertical rocking bars of captiveing joint and extending back with two front forks; Two vertical rocking bars are hinged with horizontal rocking bar respectively, connect through steering lock spare between the two horizontal rocking bars.
10. self-propelled perambulator according to claim 9; It is characterized in that: said dowel disc is a girder both lateral sides before two apportions; Two dowel discs are equipped with along the deep-slotted chip breaker of the hinged rotation direction of preceding girder; Its arcuate directions of deep-slotted chip breaker upper edge is distributed with the positioning groove of radial depressions, and said preceding girder is provided with the locating dowel pin that the two ends correspondence is passed two deep-slotted chip breakers on the locating plate, and said locating dowel pin vertically has along preceding girder makes it embed the elasticity predetermincd tension of positioning groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201816691U CN202557702U (en) | 2012-04-25 | 2012-04-25 | Self-propelled pram |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201816691U CN202557702U (en) | 2012-04-25 | 2012-04-25 | Self-propelled pram |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202557702U true CN202557702U (en) | 2012-11-28 |
Family
ID=47207391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201816691U Withdrawn - After Issue CN202557702U (en) | 2012-04-25 | 2012-04-25 | Self-propelled pram |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202557702U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632955A (en) * | 2012-04-25 | 2012-08-15 | 重庆交通大学 | Self-propelled baby carriage |
-
2012
- 2012-04-25 CN CN2012201816691U patent/CN202557702U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632955A (en) * | 2012-04-25 | 2012-08-15 | 重庆交通大学 | Self-propelled baby carriage |
| CN102632955B (en) * | 2012-04-25 | 2014-02-12 | 重庆交通大学 | Self-propelled baby carriage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121128 Effective date of abandoning: 20140212 |
|
| RGAV | Abandon patent right to avoid regrant |