CN207725464U

CN207725464U - A kind of rideable baby's folding tricycle

Info

Publication number: CN207725464U
Application number: CN201721856125.XU
Authority: CN
Inventors: 韦志强; 吴正
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-12-27
Filing date: 2017-12-27
Publication date: 2018-08-14
Anticipated expiration: 2027-12-27

Abstract

The utility model provides a kind of rideable baby's folding tricycle, it includes crossbeam, girder, the left and right ends rotation connection of the crossbeam is left, right montant, it is left, right montant lower end is fixed left, right front fork, it is left, right front fork installs two front-wheels, it is left, right montant upper end is fixed left respectively, handle before the right side, the front end baby seat sliding block that crossbeam fixes girder can slide back and forth or fix along the sliding slot on girder, rear wheel frame slides back and forth or fixes along fixed sliding rail on girder, trailing wheel is installed on rear wheel frame, it is connected by four rod structures between two front forks, connecting rod in four-bar mechanism, which is provided with, folds fastener two, crossbeam on both sides of the middle, which is provided with, folds fastener one, it is provided with arrangement of clutch between the trailing wheel and flywheel, realize the conversion carried out and ridden, facilitate the use of caregiver.

Description

A kind of rideable baby's folding tricycle

Technical field

The utility model is related to a kind of baby's folding tricycle more particularly to a kind of rideable baby's folding tricycles.

Background technology

Stroller is for having the daily necessities that the family of baby is indispensable, baby's outdoor activities to use stroller significantly Mitigate caregiver burden, the structure design of current stroller generally use cart type, and for go on a journey farther out when, push away Capable stroller just seems impracticable, in addition, when outdoor driving outing, stroller is needed with folder function, with side Just it places it in automobile trunk.

The technical solution of the utility model is exactly to overcome the defect of above-mentioned stroller and propose, on the one hand after rear side Wheel carrier can slide back and forth, and realize the conversion ridden and carried out；On the one hand front side is using double handlebars of folding crossbeam connection, double Front-wheel is connected using four-bar mechanism, realizes front side folding crossbeam, and another aspect baby seat can slide back and forth, raising ride with The comfort level of baby after the conversion of implementation, trailing wheel are connect using jaw clutch with rear sprocket wheel, realize that pedal does not turn when carrying out It is dynamic, improve comfort level and the safety of implementation.

Invention content

The purpose of this utility model is that：There is provided one kind can ride and carry out conversion, baby seat front and back position is adjustable The folding tricycle of section.

What the purpose of this utility model was realized in：A kind of rideable baby's folding tricycle, it includes the near front wheel 1, crossbeam 3, girder 8, trailing wheel 12, the crossbeam 3 are horizontally disposed in left-right direction, and the upper of left front fork 2 is fixed in 5 lower end of left montant End, the left end of crossbeam 3 are rotatablely connected with left montant 5, and the near front wheel 1 is installed in 2 lower ends of left front fork, and the upper end of the left montant 5 is solid Calmly left front 6, the front end of girder 8 is fixed at 3 middle part of crossbeam, and girder 8 is arranged along the longitudinal direction, and baby seat sliding block 7 can To slide back and forth or fix along the sliding slot on girder 8, and fixed position is adjustable, and baby is fixed on baby seat sliding block 7 Seat 16, fixes rear wheel frame sliding block 15 on rear wheel frame 13, rear wheel frame sliding block 15 slid back and forth along fixed sliding rail on girder 8 or It is fixed, and fixed position is adjustable, trailing wheel 12 is rotatablely installed on the rear wheel frame 13, trailing wheel 12 is by transmission mechanism with after Pedal 14 is installed in the middle axle driven being rotatablely installed on wheel carrier 13, the axis left and right sides；

The front end of left side link 20 is fixed on the left front fork 2, and the front end of right side link 22, Zuo Lian are fixed on right front fork Hack lever 20, right side link 22 rear end respectively with the both ends hinge connection of connecting rod 23, it is the off-front wheel 21, right front fork, right perpendicular Bar, it is right before, right side link 22 respectively with the near front wheel 1, left front fork 2, left montant 5, it is left front 6, left side link 20 about crossbeam 3 Symmetrical structure.

The on both sides of the middle of the crossbeam 3, which is provided with, folds fastener 1, to realize the folding fastener 1 of crossbeam 3 Both sides are folded back, and the connecting rod 23, which is provided with, folds fastener 2 231, realizes that connecting rod 23 folds back along the both sides at middle part.

The trailing wheel 12 is by the structure of transmission mechanism and the middle axle driven being rotatablely installed on rear wheel frame 13：Described Trailing wheel 12 is rotatably installed on rear axle 11, and rear axle 11 is rotatablely connected with rear wheel frame 13, and fixed drive sprocket passes through chain on axis Transmission forms chain drive with flywheel 30.

It is provided with arrangement of clutch between the flywheel 30 and trailing wheel 12.

The structure that arrangement of clutch is provided between the flywheel 30 and trailing wheel 12 is：Trailing wheel 12 fixes right semi-clutch 24, cylindrical sleeve 31 is co-axially mounted on the rear axle 11 between right semi-clutch 24 and rear wheel frame 13, and be slidably installed a left side in cylindrical sleeve 31 Half-clutch device 25,25 external cylindrical surface of left half-clutch fix flywheel 30, and the flywheel 30 includes that sprocket wheel and endoporus are fixed One-way clutch, one-way clutch endoporus are fixed on 25 external cylindrical surface of left half-clutch, and 30 left side of flywheel is fixed to dial Rotating ring 29 is stirred and installs shift fork 26 in the collar in 29 outside of ring, and 29 left end face of ring fitting rear wheel frame, 13 right side U-shaped side is stirred, The rear side of the rear wheel frame 13 is provided with U-shaped structure, and nut 27 is screwed on the overhanging rear axle 11 in right side U-shaped side right side, described Stir 29 endoporus of the ring setting compression spring 28, the left side of compression spring 28 holds out against 13 right side U-shaped side of rear wheel frame, and right side holds out against left half Clutch 25, the shift fork 26 are mounted on rear wheel frame 13.

8 rear end of girder is provided with seat installing pipe 1, and one 801 endoporus of seat installing pipe installs seat tube 10, 10 upper end fixed saddle 9 of seat tube is provided with seat installing pipe 2 131 on rear wheel frame 13, and rear wheel frame sliding block 15 slides into rear end When, seat installing pipe 2 131 is coaxially disposed with seat installing pipe 1.

The upper end of left montant 5 fix it is left front 6 middle part, the left front front end 6 being provided with annulus, being nursed when for carrying out Personnel are hand-held, it is described it is left front 6 rear ends are set as column handle in the front-back direction, caregiver is hand-held when for riding.

The 3 middle part front side of crossbeam is equipped with protective fence 4 using connect-disconnect structure, occurs impact events when for riding When, protect baby and the personnel that ride.

The rear wheel frame sliding block 15 is along the structure that fixed sliding rail on girder 8 slides back and forth：The rear wheel frame Sliding bearing 17 is fixed on sliding block 15, sliding bearing 17 slides back and forth along fixed upper sliding rail 18, glidepath 19 on girder 8.

Guide rail clamp is installed on the rear wheel frame sliding block 15.

Compared with prior art, the utility model has the following advantages that：

1. the rear wheel frame of rear side can slide back and forth, the conversion ridden and carried out is realized.

2. front side is connected using the double handlebars of folding crossbeam connection, two front wheels using four-bar mechanism, front side crossbeam is realized It folds.

3. baby seat can slide back and forth, the comfort level ridden with baby after the conversion of implementation is improved, trailing wheel uses tooth Embedding clutch is connect with rear sprocket wheel, realizes that pedal does not rotate, and improves comfort level and the safety of implementation when carrying out.

Description of the drawings

Overall construction drawing when Fig. 1 is the riding condition of rideable baby's folding tricycle.

Overall construction drawing when Fig. 2 is the implementation state of rideable baby's folding tricycle.

Fig. 3 is the structural schematic diagram that girder is slidably connected with Rear frame.

Fig. 4 is folding crossbeam structure chart and two front wheels steering link foldable structure figure.

Fig. 5 is trailing wheel and rear sprocket wheel clutch structure schematic diagram.

Specific implementation mode

In conjunction with Fig. 1-5, a kind of rideable baby's folding tricycle, it include the near front wheel 1, off-front wheel 21, it is left front fork 2, Right front fork, crossbeam 3, protective fence 4, left montant 5, right montant, it is left front 6, it is right before handle, baby seat sliding block 7, girder 8, saddle 9, Seat tube 10, rear axle 11, trailing wheel 12, rear wheel frame 13, pedal 14, rear wheel frame sliding block 15, baby seat 16, sliding bearing 17, on Sliding rail 18, glidepath 19, left side link 20, right side link 22, connecting rod 23, right semi-clutch 24, left half-clutch 25, shift fork 26, nut 27, compression spring 28, stir ring 29, flywheel 30, cylindrical sleeve 31, bearing definition when riding according to baby-monitoring personnel is left Right, front-rear direction, in order to describe the application.The crossbeam 3 is horizontally disposed in left-right direction, the left end endoporus of crossbeam 3 with The external cylindrical surface of left montant 5 is rotatablely connected, and 5 lower end endoporus of left montant fixes the upper end of left front fork 2, and left front fork 2 is in lower section trepanning U-shaped, the fixed left front axis in 2 lower ends of left front fork installs the near front wheel 1, and the upper end of the left montant 5 is fixed left front 6 Middle part, the left front front end 6 are provided with annulus, and caregiver is hand-held when for carrying out, it is described it is left front 6 rear ends are set as before The column handle of rear direction, caregiver is hand-held when for riding, and the girder 8 is arranged along the longitudinal direction, the cunning on girder 8 Slot is slidably installed baby seat sliding block 7, baby seat 16 is fixed on baby seat sliding block 7, baby seat sliding block 7 can be along master Sliding slot on beam 8 slides back and forth, and fixed position is adjustable, for example, be equipped on baby seat sliding block 7 guide rail clamp or Person's lock fastener, baby seat sliding block 7 can be slid back and forth along the sliding slot on girder 8 and fixed position it is adjustable be ability The conventional design in domain is not repeating here, and the 3 middle part front side of crossbeam is equipped with protective fence 4 using connect-disconnect structure, for riding It is hit when row, protection baby and the personnel that ride, the rear wheel frame 13 fixation rear wheel frame sliding block 15, on rear wheel frame sliding block 15 Fixed sliding bearing 17, sliding bearing 17 slides back and forth along fixed upper sliding rail 18, glidepath 19 on girder 8, for adjusting The front and back position of trailing wheel 12, when rear wheel frame sliding block 15 slides into front end, trailing wheel 12 is located at front end, and caregiver station is suitble to exist at this time Front side faces baby's implementation, and when rear wheel frame sliding block 15 slides into rear end, trailing wheel 12 is located at rear end, is suitble to caregiver to sit at this time It rides in the same direction on saddle 9, with baby, 8 rear end of girder is provided with seat installing pipe 1, seat installing pipe 1 Endoporus installs seat tube 10, and 10 upper end fixed saddle 9 of seat tube is provided with seat installing pipe 2 131, rear wheel frame on rear wheel frame 13 When sliding block 15 slides into rear end, seat installing pipe 2 131 is coaxially disposed with seat installing pipe 1, for installing seat tube 10, Axis is rotatablely installed on the rear wheel frame 13, the fixed pedal 14 in axis both sides is rotatablely connected with rear wheel frame 13, solid on axis Fixed drive sprocket is driven by the sprocket wheel on chain drive and flywheel 30, and rear axle 11 is fixedly mounted on the rear wheel frame 13, after Trailing wheel 12 is rotatablely installed on axis.

The on both sides of the middle of the crossbeam 3, which is provided with, folds fastener 1, realizes one 301 both sides of folding fastener of crossbeam 3 It folds back, realizes the folding of baby tricycle, the front end of left side link 20 is fixed on the left front fork 2, is consolidated on right front fork The front end of fixed right side link 22, left side link 20, right side link 22 rear end respectively with the both ends hinge connection of connecting rod 23, realize It is left front 6, it is right before a rotation in, drive that another handlebar is in the same direction, same to angular turn, the connecting rod 23 is provided with folding Folded fastener 2 231 realizes that connecting rod 23 folds back along the both sides at middle part, before the off-front wheel 21, right front fork, right montant, the right side , right side link 22 respectively with the near front wheel 1, left front fork 2, left montant 5, it is left front 6, left side link 20 about crossbeam 3 in left and right Symmetrical structure is arranged.

The fixed right semi-clutch 24 in 12 left side of the trailing wheel, on the rear axle 11 between right semi-clutch 24 and rear wheel frame 13 It is co-axially mounted cylindrical sleeve 31, be slidably installed left half-clutch 25 in cylindrical sleeve 31, and 25 external cylindrical surface of left half-clutch fixes flywheel 30, the flywheel 30 includes sprocket wheel and the fixed one-way clutch of endoporus, and one-way clutch endoporus is fixed on left half-clutch On 25 external cylindrical surface of device, ring 29 is stirred in the 30 left side fixation of flywheel, is stirred and is installed shift fork 26 in the collar in 29 outside of ring, dials 29 left end face of rotating ring is bonded 13 right side U-shaped side of rear wheel frame, and the rear side of the rear wheel frame 13 is provided with U-shaped structure, right side U-shaped Nut 27 is screwed on the right side of side on overhanging rear axle 11, described stirs 29 endoporus of the ring setting compression spring 28, a left side for compression spring 28 Side holds out against 13 right side U-shaped side of rear wheel frame, and right side holds out against left half-clutch 25, after unclamping shift fork 26, left half-clutch 25 with Right semi-clutch 24 engages, and the shift fork 26 is mounted on rear wheel frame 13.

When baby-monitoring personnel carry out, front and back position of the baby seat sliding block 7 on girder 8 is adjusted, baby is made more to relax Suitable, fixed baby seat sliding block 7 is extracted install seat tube 10 upwards, in 10 seat of seat tube only installing pipe 1, Huo Zhean It is arranged in seat installing pipe three on rear wheel frame 13, adjustment rear wheel frame sliding block 15 slides into front end and fixation, stirs and fixes Shift fork 26 makes right semi-clutch 24 be detached from left half-clutch 25, pulls up protective fence 4, be placed on the protection being arranged on tricycle 4 mounting groove of column, such as on rear wheel frame 13 or on rear side of baby seat, caregiver's two-handed hand-held is left front preceding front end the 6, right side Annulus is carried out.

When baby-monitoring personnel ride, front and back position of the baby seat sliding block 7 on girder 8 is adjusted, baby is made more to relax Suitable, fixed baby seat sliding block 7, adjustment rear wheel frame sliding block 15 slides into rear end, and seat tube 10 is inserted into seat installing pipe simultaneously One 801, in seat installing pipe 2 131, loosen shift fork 26, right semi-clutch 24 is made to be combined with left half-clutch 25, installation protection Column 4, caregiver's two-handed hand-held it is left front 6, it is right before the column handle of rear end is ridden.

When tricycle needs to fold, rear wheel frame sliding block 15 slides into front end, unclamps the folding of the on both sides of the middle setting of crossbeam 3 Folded fastener 1, unclamps and folds fastener 2 231 on connecting rod 23, realizes that connecting rod 23 folds back along the both sides at middle part, while crossbeam It folds back 3 301 both sides of folding fastener.

Claims

1. a kind of rideable baby's folding tricycle, it includes the near front wheel（1）, crossbeam（3）, girder（8）, trailing wheel（12）, It is characterized in that：The crossbeam（3）It is horizontally disposed in left-right direction, left montant（5）Left front fork is fixed in lower end（2）Upper end, it is horizontal Beam（3）Left end and left montant（5）Rotation connection, left front fork（2）Lower end is installed by the near front wheel（1）, the left montant（5）It is upper End is left front fixed（6）, the crossbeam（3）Girder is fixed at middle part（8）Front end, girder（8）It is arranged along the longitudinal direction, baby Seat sliding block（7）It can be along girder（8）On sliding slot slide back and forth or fix, and fixed position is adjustable, baby seat Baby seat is fixed on sliding block 7（16）, rear wheel frame（13）Upper fixed rear wheel frame sliding block（15）, rear wheel frame sliding block（15）Along girder （8）Upper fixed sliding rail slides back and forth or fixes, and fixed position is adjustable, the rear wheel frame（13）After upper rotational installation Wheel（12）, trailing wheel（12）Pass through transmission mechanism and rear wheel frame（13）The middle axle driven of upper rotational installation, the installation of the axis left and right sides Pedal（14）；

The left front fork（2）The upper left side link of fixation（20）Front end, fix right side link on right front fork（22）Front end, it is left Side link（20）, right side link（22）Rear end respectively with connecting rod（23）Both ends hinge connection, the off-front wheel（21）, it is right Handle, right side link before front fork, right montant, the right side（22）Respectively with the near front wheel（1）, left front fork（2）, left montant（5）, left front（6）、 Left side link（20）About crossbeam（3）Symmetrical structure.

2. rideable baby's folding tricycle according to claim 1, it is characterised in that：The crossbeam（3）In Portion both sides, which are provided with, folds fastener one（301）, to realize crossbeam（3）Folding fastener one（301）Both sides are folded back, described Connecting rod（23）It is provided with and folds fastener two（231）, realize connecting rod（23）It folds back both sides along middle part.

3. rideable baby's folding tricycle according to claim 1, it is characterised in that：The trailing wheel（12）Pass through Transmission mechanism and rear wheel frame（13）The structure of the middle axle driven of upper rotational installation is：The trailing wheel（12）It is rotatably installed in rear axle （11）On, rear axle（11）With rear wheel frame（13）It is rotatablely connected, fixed drive sprocket passes through chain drive and flywheel on axis（30） Form chain drive.

4. rideable baby's folding tricycle according to claim 3, it is characterised in that：The flywheel（30）With it is rear Wheel（12）Between be provided with arrangement of clutch.

5. rideable baby's folding tricycle according to claim 4, it is characterised in that：The flywheel（30）With it is rear Wheel（12）Between be provided with the structure of arrangement of clutch and be：Trailing wheel（12）Fixed right semi-clutch（24）, right semi-clutch（24）With Rear wheel frame（13）Between rear axle（11）On be co-axially mounted cylindrical sleeve（31）, cylindrical sleeve（31）On be slidably installed left half-clutch （25）, left half-clutch（25）External cylindrical surface fixes flywheel（30）, the flywheel（30）It is fixed including sprocket wheel and endoporus One-way clutch, one-way clutch endoporus are fixed on left half-clutch（25）On external cylindrical surface, the flywheel（30）Left side is solid Surely ring is stirred（29）, stir ring（29）Shift fork is installed in the collar in outside（26）, stir ring（29）Left end face is bonded rear wheel frame （13）Right side U-shaped side, the rear wheel frame（13）Rear side be provided with U-shaped structure, overhanging rear axle on the right side of the U-shaped side of right side（11） On screw nut（27）, described stirs ring（29）Endoporus is provided with compression spring（28）, compression spring（28）Left side hold out against rear wheel frame （13）Right side U-shaped side, right side holds out against left half-clutch（25）, the shift fork（26）Mounted on rear wheel frame（13）On.

6. rideable baby's folding tricycle according to claim 5, it is characterised in that：The girder（8）Rear end It is provided with seat installing pipe one（801）, seat installing pipe one（801）Endoporus installs seat tube（10）, seat tube（10）Upper end is solid Determine saddle（9）, rear wheel frame（13）On be provided with seat installing pipe two（131）, rear wheel frame sliding block（15）When sliding into rear end, seat Installing pipe two（131）With seat installing pipe one（801）Coaxial arrangement.

7. according to the rideable baby's folding tricycle of claim 1-6 any one of them, it is characterised in that：Left montant（5） Upper end fix left front（6）Middle part, left front（6）Front end be provided with annulus, caregiver is hand-held when for carrying out, institute Left front stated（6）Rear end is set as column handle in the front-back direction, and caregiver is hand-held when for riding.

8. according to the rideable baby's folding tricycle of claim 1-6 any one of them, it is characterised in that：The crossbeam （3）Protective fence is equipped with using connect-disconnect structure on front side of middle part（4）, when occurring impact events when for riding, protecting baby and riding Administrative staff.

9. according to the rideable baby's folding tricycle of claim 1-6 any one of them, it is characterised in that：The trailing wheel Frame sliding block（15）Along girder（8）Going up the structure that fixed sliding rail slides back and forth is：The rear wheel frame sliding block（15）Upper fixation Sliding bearing（17）, sliding bearing（17）Along girder（8）Upper fixed upper sliding rail（18）, glidepath（19）It slides back and forth.

10. according to the rideable baby's folding tricycle of claim 1-6 any one of them, it is characterised in that：The institute The rear wheel frame sliding block stated（15）On guide rail clamp is installed.