CN110001845A - Foldable tricycle - Google Patents

Foldable tricycle Download PDF

Info

Publication number
CN110001845A
CN110001845A CN201910192430.0A CN201910192430A CN110001845A CN 110001845 A CN110001845 A CN 110001845A CN 201910192430 A CN201910192430 A CN 201910192430A CN 110001845 A CN110001845 A CN 110001845A
Authority
CN
China
Prior art keywords
frame
locking
saddle
state
connection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910192430.0A
Other languages
Chinese (zh)
Inventor
高翔
蔡辉
王春雷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Goodbaby Child Products Co Ltd
Original Assignee
Goodbaby Child Products Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Goodbaby Child Products Co Ltd filed Critical Goodbaby Child Products Co Ltd
Priority to CN201910192430.0A priority Critical patent/CN110001845A/en
Publication of CN110001845A publication Critical patent/CN110001845A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62KCYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K15/00Collapsible or foldable cycles
    • B62K15/006Collapsible or foldable cycles the frame being foldable
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62KCYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K9/00Children's cycles
    • B62K9/02Tricycles

Abstract

The invention discloses a kind of foldable tricycles, its vehicle frame includes front frame, Rear frame, and saddle, front frame includes at least front fork, front-wheel set on front fork lower part, handlebar set on front fork top and for controlling front-wheel steer, the lower part of Rear frame is provided with rear-wheel, vehicle frame further includes the connection frame being arranged between front frame and Rear frame, connection frame extends along the longitudinal direction, the front of connection frame rotationally connect with front frame and is locked by preceding locking mechanism therebetween, the rear portion of connection frame and the top of Rear frame rotationally connect and are locked by rear locking mechanism therebetween, saddle is set in Rear frame, when vehicle frame is in folded state, it holds up upwards at the rear portion of connection frame, fore-stock, connection frame is mutually drawn close along the longitudinal direction with after-poppet, saddle collapses the rear side in after-poppet.The folding of the foldable tricycle and opening operation are all very convenient, and its folding volume is small, are convenient for carrying and store with storage.

Description

Foldable tricycle
Technical field
The present invention relates to a kind of foldable tricycles.
Background technique
Child's tricycle in the prior art including front fork, front-wheel that the front fork bottom is arranged in, is arranged before described On fork and the handlebar of the front-wheel steer, Rear frame, the saddle being arranged in the Rear frame can be controlled, and is arranged rear The rear-wheel at vehicle frame bottom rear portion.Child's tricycle in the prior art can not fold mostly or folded structure is not tight enough It gathers, child's tricycle is caused to be stored inconveniently and transport.
Summary of the invention
The object of the present invention is to provide a kind of novel foldable tricycles.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: a kind of foldable tricycle, including have expansion shape The vehicle frame of state and folded state, the vehicle frame include front frame, Rear frame and saddle, the front frame include at least front fork, Front-wheel set on the front fork lower part, the handlebar set on the front fork top and for controlling the front-wheel steer, the rear car The lower part of frame is provided with rear-wheel, and the vehicle frame further includes the connection frame being arranged between the front frame and the Rear frame, institute It states connection frame to extend along the longitudinal direction, before the front of the connection frame rotationally connect with the front frame and passes through therebetween Locking mechanism locking, the rear portion of the connection frame rotationally connect with the top of the Rear frame and lock after passing through therebetween Mechanism locking, the saddle is set in the Rear frame, when the vehicle frame is in folded state, the rear portion of the connection frame to On hold up, the fore-stock, the connection frame are mutually drawn close along the longitudinal direction with the after-poppet, and the saddle is collapsed described The rear side of after-poppet.
Preferably, linkage unit, the front frame phase are provided between the preceding locking mechanism and the rear locking mechanism The linkage unit drives the rear locking mechanism unlock during collapsing to connection frame rotation.
Further, the front of the connection frame is rotatablely connected by rotation axis and the front frame, in the Rear frame It is provided with the solution lock slide that the rear locking mechanism unlock can be driven in sliding, the linkage unit includes being set to the company It connects the actuator between frame and the front frame, be connected to the actuator and the hauling rope solved between lock slide, it is described Connection frame rotates relative to the front frame and makes the front frame and during the connection frame mutually collapses, the actuator It is rotated around the rotation axis and drives the rear locking mechanism unlock.
Further, the preceding locking mechanism includes locking joint, and the locking joint includes the first socket joint, second Socket joint, locking fluted disc and elastic component, one of both described first socket joint and the second joint seat with it is described before Vehicle frame is fixedly connected, and another one is fixedly attached to the front of the connection frame, first socket joint, locking fluted disc and second Socket joint is rotationally connected around the rotation axis, and the elastic component is set between first socket joint and the locking fluted disc, There are circumferentially spaced multiple first tooth sockets, between having circumferentially on the second joint seat in first socket joint Every multiple second tooth sockets of distribution, there are circumferentially spaced multiple locking teeths in the outside circumference of the locking fluted disc, When the preceding locking mechanism is in the lock state, the both ends of the locking teeth are plugged in first tooth socket and the second tooth respectively In slot, when the preceding locking mechanism is in the unlocked state, the locking teeth is detached from from second tooth socket, the actuator energy It is enough to be rotatably arranged at around the rotation axis between the locking fluted disc and first socket joint and in the preceding locking mechanism It is rotated when unlock by the locking teeth dish driving.
As specific embodiment, the actuator includes the installation being rotatably set in the rotation axis Ring, the rotating block being fixed on one side of mounting ring, the hauling rope are connected to the rotating block and the solution lock slide Between, limiting slot is offered in the circumference of the locking fluted disc, the rotating block is located in the limiting slot.
Further, the rear locking mechanism includes the lock slider being set on the connection frame, is set to locking cunning Lock pin on block is opened in the Rear frame top and the lockhole for cooperating with the lock pin, the sliding of the lock slider Direction and the glide direction of the solution lock slide are mutually perpendicular to, and unlock inclined-plane are provided on the solution lock slide, the locking is slided It is provided with the cooperation inclined-plane with unlock inclined-plane cooperation on block, is additionally provided between the solution lock slide and the lock slider For driving the lock slider far from the spring of elastic force needed for the unlock slide block movement.
Preferably, the front of the saddle is rotationally connected in the Rear frame, the relatively described Rear frame of the saddle With opening state and collapsed state, when the saddle is converted from opening state to collapsed state, the rear portion phase of the saddle The height of the Rear frame is reduced and is mutually collapsed with the Rear frame.
Preferably, the front of the saddle is rotationally connected in the Rear frame, the rear portion of the saddle be provided with to The saddle supporting element of lower extension has the supporting block that can be supported below the saddle supporting element in the Rear frame, described Supporting block is actively set in the Rear frame, and the relatively described Rear frame of the saddle has opening state and collapsed state, when In the open state, the supporting block is supported on the lower section of the saddle supporting element to the saddle;It is received when the saddle is in When folding state, the supporting block is detached from from the lower section of the saddle supporting element and the relatively described Rear frame of the saddle is received Hold together.
Further, the supporting block is slidably arranged in the Rear frame, is also slidably arranged in the Rear frame There is the top tongue that the supporting block sliding can be driven in sliding, when the vehicle frame is in unfolded state, the top tongue top is set At the rear portion of the connection frame, the supporting block and the saddle supporting element cooperate;When the vehicle frame is in folded state When, the top tongue is detached from the rear portion of the connection frame, and drives the supporting block to slide and make the supporting block far from described The lower section of saddle supporting block.
Further, the rear portion of the top tongue is provided with sliding pin, offers in the supporting block and slides for the sliding pin The sliding slot ordinatedly penetrated is additionally provided between the top tongue and the supporting block and is relatively distant from required elasticity for providing the two First elastic component of power is provided with for driving the top tongue towards far from the supporting block between the top tongue and the Rear frame Direction movement the second elastic component.
As a kind of specific embodiment, the Rear frame has the rear car pipe connecting with the connection frame, the branch Bracer is slidably set in the lumen of the rear car pipe, and the open slot being connected to its lumen, institute are also provided on the rear car pipe The lower part for stating saddle supporting element is plugged in the open slot and cooperates with the supporting block.
As a kind of specific embodiment, the Rear frame includes the rear car pipe connecting with the connection frame, Yi Jifen The two groups of back stays set on the left and right sides and vertically extended, the lower part of every group of back stay are provided with the rear-wheel, Back stay described in two groups is wholely set in downward opening U-shaped bar, and the rear car pipe extends along the longitudinal direction, the U-shaped bar Top opposite with the rear portion of the rear car pipe be arranged fixedly.
Preferably, the front frame further includes the preceding standpipe vertically extended, and the top of the front fork can be around certainly Body axial line is rotatably connect with the preceding standpipe, is rotationally connected between the front of the connection frame and the preceding standpipe.
Preferably, foldable locking structure is additionally provided between the Rear frame and the connection frame, when the vehicle frame is in When folded state, the Rear frame and the connection frame when mutually drawing close the foldable locking structure latches and make the rear car Frame and the connection frame are relatively fixed.
Preferably, the preceding locking mechanism have lock state and unlocked state, when the vehicle frame be in unfolded state and Under folded state, the preceding locking mechanism is in lock state and makes the connection frame and the front frame relatively fixed.
Further, the preceding locking mechanism includes locking joint, and the locking joint includes the first socket joint, the second pass Save seat, locking fluted disc and elastic component, one of both described first socket joint and the second joint seat and the front truck Frame is fixedly connected, and another one is fixedly attached to the front of the connection frame, and first socket joint, locking fluted disc and second are closed Section seat is rotationally connected around same rotary centerline, the elastic component be set to first socket joint and the locking fluted disc it Between, there are circumferentially spaced multiple first tooth sockets in first socket joint, have on the second joint seat along week To multiple second tooth sockets being spaced apart, there are circumferentially spaced multiple lockings in the outside circumference of the locking fluted disc Tooth, when the preceding locking mechanism is in the lock state, the both ends of the locking teeth be plugged in respectively first tooth socket with In second tooth socket, when the preceding locking mechanism is in the unlocked state, the locking teeth is detached from from second tooth socket.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages: folding of the invention Formula tricycle, wherein, when tricycle folds, being made respectively by being rotationally connected with connection frame between front frame and Rear frame It obtains front frame connection frame opposite with Rear frame to be turned folding, is just able to achieve the folding of vehicle frame, in the vehicle frame after folding, front truck Frame, connection frame and Rear frame mutually draw close along the longitudinal direction and are supported in ground jointly by front-wheel and rear-wheel, and saddle then collapses In the rear portion of Rear frame, since after-poppet is longer, folded height of chassis above ground will not be higher by by folding rear cradling along Rear frame, therefore So that folding rear carriage height is lower, and width is smaller in the front-back direction, and structure is extremely compact, and volume also very little, is user day Normal carrying and storage brings convenience.
Detailed description of the invention
Attached drawing 1 is the perspective view one under foldable tricycle unfolded state of the invention;
Attached drawing 2 is the perspective view two under foldable tricycle unfolded state of the invention;
Attached drawing 3 is the side view under foldable tricycle unfolded state of the invention;
Attached drawing 4 is the longitudinally cutting schematic diagram of attached drawing 3;
Attached drawing 5 is the structural decomposition diagram of foldable tricycle of the invention;
Attached drawing 6 is the structural decomposition diagram of preceding locking mechanism in foldable tricycle of the invention;
Attached drawing 7 is the structural decomposition diagram of rear locking mechanism in foldable tricycle of the invention;
Attached drawing 8 is the structural decomposition diagram of foldable tricycle medial saddle seat supports component of the invention;
Attached drawing 9 is foldable tricycle of the invention through the folded side view of the first step;
Attached drawing 10 is the longitudinally cutting schematic diagram of attached drawing 9;
Attached drawing 11 is foldable tricycle of the invention through the folded side view of second step;
Attached drawing 12 is the longitudinally cutting schematic diagram of attached drawing 11;
Attached drawing 13 is foldable tricycle of the invention through the folded side view of third step;
Attached drawing 14 is the longitudinally cutting schematic diagram of attached drawing 13;
Attached drawing 15 is the perspective view one under foldable tricycle folded state of the invention;
Attached drawing 16 is the perspective view two under foldable tricycle folded state of the invention;
Wherein:
1, front frame;10, front-wheel;11, front fork;12, handlebar;13, preceding standpipe;14, it rides;
2, Rear frame;20, rear-wheel;21, rear car pipe;21a, open slot;22, back stay;
3, connection frame;
4, saddle;41, saddle supporting element;
5, preceding locking mechanism;50, rotation axis;51, the first socket joint;52, second joint seat;53, fluted disc is locked;53a, locking Tooth;53b, limiting slot;54, elastic component (spring);55, unblock button;
6, rear locking mechanism;60, rotary shaft;61, lock slider;62, lock pin;63, lock slide is solved;64, spring;65, unlock is oblique Face;66, cooperate inclined-plane;67, lockhole;
7, linkage unit;71, actuator;71a, mounting ring;71b, rotating block;72, hauling rope;
8, saddle support component;81, supporting block;82, tongue is pushed up;83, the first elastic component;84, the second elastic component;85, sliding slot;86, Sliding pin;87, fixed guide sleeve;
9, foldable locking structure.
Specific embodiment
Technical solution of the present invention is further elaborated in the following with reference to the drawings and specific embodiments.
Referring to shown in Fig. 1 to attached drawing 16, a kind of foldable tricycle, including the vehicle with unfolded state and folded state Frame, the vehicle frame include front frame 1, Rear frame 2, the connection frame 3 being connected between front frame 1 and Rear frame 2, and after being set to Saddle 4 on vehicle frame 2, wherein connection frame 3 extends along the longitudinal direction, and the front of connection frame 3 is rotationally connect with front frame 1, even The rear portion for connecing frame 3 is rotationally connect with the top of Rear frame 2.
Preceding locking mechanism 5 is equipped between the front and front frame 1 of connection frame 3, between connection frame 3 and the top of Rear frame 2 It is provided with rear locking mechanism 6, is provided with linkage unit 7 between preceding locking mechanism 5 and rear locking mechanism 6, so that front frame 1 is opposite During the rotation of connection frame 3 is collapsed, linkage unit 7 can drive rear locking mechanism 6 to unlock, so that Rear frame 2 can Relative to connection frame 3 rotate and by the further folding of vehicle frame.
Referring to shown in each attached drawing, front frame 1 is including front fork 11, the front-wheel 10 that 11 bottom of front fork is arranged in, setting in front fork 11 tops and the handlebar 12 turned to for controlling front-wheel 10, the wheel shaft two sides of front-wheel 10 are also equipped with foot-operated 14, so that children step on It steps on and front-wheel 10 is driven to rotate.The front frame 1 further includes the preceding standpipe 13 vertically extended, and the top of front fork 11 can be around Self-axis line is rotatably connect with preceding standpipe 13.The front of connection frame 3 is real and rotationally connecting between preceding standpipe 13 Now with the rotation connection of front frame 1.
Referring to shown in each attached drawing, Rear frame 2 has the rear car pipe 21 connecting with connection frame 3, and is divided into the left and right sides And the two groups of back stays 22 vertically extended, the lower part of every group of back stay 22 are equipped with rear-wheel 20, herein, prop up after two groups Bar 22 is wholely set in downward opening U-shaped bar, and rear car pipe 21 extends along the longitudinal direction, the top of U-shaped bar and rear car pipe 21 Rear portion be arranged relatively fixedly, rear car pipe 21 using integrated molding or can be fixedly connected by when specific setting with U-shaped bar It is fixed.The front of rear car pipe 21 is connect with the posterior rotation of connection frame 3, to realize turn of Rear frame 2 and connection frame 3 Dynamic connection.
Connection frame 3 is arranged herein in the hollow tube extended in the longitudinal, and the front of connection frame 3 passes through rotation axis 50 and front frame Preceding standpipe 13 in 1 is rotatablely connected, and the rear portion of connection frame 3 is rotated by the front of rear car pipe 21 in rotary shaft 60 and Rear frame 2 Ground connection.Preceding locking mechanism 5 is arranged between preceding standpipe 13 and connection frame 3, rear locking mechanism 6 be set to rear car pipe 21 with connect Between frame 3.In the present embodiment, the solution lock slide that locking mechanism 6 unlocks after capable of driving in sliding is provided in Rear frame 2 63, linkage unit 7 includes the actuator 71 being set between connection frame 3 and front frame 1, is connected to actuator 71 and solution lock slide 63 Between hauling rope 72, when connection frame 3 relative to front frame 1 rotate and make front frame 1 with respect to connection frame 3 rotation gathering process In, actuator 71 is just rotated around rotation axis 50, so that hauling rope 72 is tensioned, to pull the sliding of solution lock slide 63 and make Locking mechanism 6 unlocks afterwards.
More specifically, referring to shown in Fig. 3 to Figure 14, preceding locking mechanism 5 includes locking joint, which includes the One socket joint 51, second joint seat 52, locking fluted disc 53 and elastic component 54, both the first socket joint 51 and second joint seat 52 One of be fixedly connected with preceding standpipe 13, another one is fixedly attached to the front of connection frame 3, herein, the first socket joint 51 The rear portion of standpipe 13, second joint seat 52 are fixedly arranged on the front of connection frame 3 before being fixedly arranged on.First socket joint 51, second joint seat 52 and locking fluted disc 53 rotationally connected around rotation axis 50.It is spring that elastic component 54, which uses, is arranged in the first socket joint 51 Between locking fluted disc 53.As shown in fig. 6, there are circumferentially spaced multiple first tooth sockets in the first socket joint 51, the There are circumferentially spaced multiple second tooth sockets, locking in the outside circumference of fluted disc 53 has circumferentially in two socket joints 52 The multiple locking teeth 53a being spaced apart, when Current lock mechanism 5 is in the lock state, the both ends of locking teeth 53a plug respectively In the first tooth socket and the second tooth socket;When Current lock mechanism 5 is in the unlocked state, locking teeth 53a is detached from from the second tooth socket. The locking joint further includes the unblock button 55 for being slidably set to 52 outside of second joint seat, passes through being unlocked by pressing button 55 Locking fluted disc 53 is driven to overcome the active force of elastic component 54 and be detached from the second tooth socket to realize the unlock of preceding locking mechanism 5.
Actuator 71 can be rotatably arranged between locking fluted disc 53 and the first socket joint 51 and preceding around rotation axis 50 Locking mechanism 5, which is driven after unlocking by locking fluted disc 53, to be rotated.Specifically, referring to fig. 4, shown in 6,10, actuator 71 include rotation Mounting ring 71a, the rotating block 71b being fixed on mono- side mounting ring 71a that ground is set in rotation axis 50, hauling rope 72 connect It between rotating block 71b and solution lock slide 63, locks and offers limiting slot 53b in the circumference of fluted disc 53, rotating block 71b is located at limit In the slot 53b of position.In this way, after Current lock mechanism 5 unlocks, it is shown in Figure 10, drive front frame 1 to rotate relative to connection frame 3, the One socket joint 51 drives locking fluted disc 53 to rotate with it, the cell wall of limiting slot 53b and rotating block 71b phase after turning an angle To when drive rotating block 71b rotate together so that hauling rope 72 be tensioned and pull solution lock slide 63 travel forward, and then will after Locking mechanism 6 unlocks.
In the present embodiment, using above-mentioned locking joint as preceding locking mechanism 5, it is used not only for vehicle frame unfolded state It is lower so that opposite locking between front frame 1 and connection frame 3, while after vehicle frame folding can also being made, i.e. front frame 1 and connection frame 3 The two is locked relatively after relatively rotating folding.Also that is, no matter vehicle frame is in preceding locking under unfolded state or under folded state Mechanism 5 is in lock state, so that keeping mutually locking between front frame 1 and connection frame 3.
Referring to shown in Fig. 3 to Figure 14, rear locking mechanism 6 includes the lock slider 61 being set on connection frame 3, is set to locking cunning Lock pin 62 on block 61 is opened in 2 top of Rear frame and the lockhole 67 for cooperating with lock pin 62, the sliding side of lock slider 61 It is mutually perpendicular to the glide direction with solution lock slide 63, specifically when setting, lock slider 61 and solution 63 company of being arranged at of lock slide In the lumen for connecing frame 3.It is provided with unlock inclined-plane 65 on solution lock slide 63, is provided on lock slider 61 and cooperates with unlock inclined-plane 65 Cooperation inclined-plane 66, solve and be additionally provided between lock slide 63 and lock slider 61 for driving lock slider 61 far from solution lock slide 63 move the spring 64 of required elastic force.When rear locking mechanism 6 is in the lock state, under the active force of spring 64, lock pin 62 are ordinatedly plugged in lockhole 67 and make connection frame 3 and Rear frame 2 fixed;When solution lock slide 63 travels forward, unlock Inclined-plane 65 and the cooperation of cooperation inclined-plane 66 and drive lock slider 61 to move so that lock pin 62 is detached from from lockhole 67, will after lock Determine the unlock of mechanism 6, after-poppet 2 can rotate folding relative to connection frame 3 around rotary shaft 60 at this time.
In the present embodiment, foldable locking structure 9, Rear frame 2 and connection frame 3 are additionally provided between Rear frame 2 and connection frame 3 The foldable locking structure 9 locks and to keep relatively fixed between Rear frame 2 and connection frame 3 when mutually drawing close.
Referring to shown in Fig. 3 to Figure 14, the front of saddle 4 is rotationally connected in Rear frame 2, and herein, the front of saddle 4 is logical It crosses rotary shaft 60 to be rotationally connected in Rear frame 2, the rear portion of saddle 4 is provided with the saddle supporting element 41 extended downwardly, rear car Saddle support component 8 is provided on frame 2, which at least has for mutually matched with saddle supporting element 41 Supporting block 81, the supporting block 81 are actively set in Rear frame 2.Saddle 4 has opening state with respect to Rear frame 2 and packs up shape State, when saddle 4 in the open state, the lower support of saddle supporting element 41 is in supporting block 81, as shown in Figure 3, Figure 4;When When saddle is in collapsed state, supporting block 81 is detached from from the lower section of saddle supporting element 41 and makes 4 rear portion of saddle with respect to Rear frame 2 Height reduce so that saddle 4 is mutually drawn close with Rear frame 2.
In this way, under vehicle frame unfolded state, user saddle 4 will can be lifted and be at relatively high position with Children's comfortable sitting support is provided, under vehicle frame folding state, saddle 4 can be overturn with respect to after-poppet 2 collapse and into one Step reduces the volume after vehicle frame folding.
In the present embodiment, supporting block 81 is slidably set in Rear frame 2, and top tongue 82 is also slidably provided in Rear frame 2, The top tongue 82 can drive supporting block 81 to slide in sliding, and when vehicle frame is in unfolded state, the top top of tongue 82 is located at connection frame 3 Rear portion, supporting block 81 and saddle supporting element 41 cooperate at this time;And when vehicle frame is in folded state, top tongue 82, which is detached from, to be connected Connect the rear portion of frame 3, and drive supporting block 81 together forward slip and make supporting block 81 far from the lower section of saddle supporting element 41.
Specifically, referring to shown in Fig. 8,10,12,14, the front of the rear car pipe 21 of Rear frame 2 has been fixedly disposed fixation and has led Set 87, to provide top tongue 82 with slide-and-guide and limit.Supporting block 81 is slidably arranged in the lumen of rear car pipe 21, rear car pipe The open slot 21a being connected to its lumen is also provided on 21, the lower part of saddle supporting element 41 is and being plugged in open slot 21a Cooperate with supporting block 81.
The rear portion of top tongue 82 is provided with sliding pin 86, and the sliding slot penetrated with being slidably matched for sliding pin 86 is offered in supporting block 81 85, it pushes up and is additionally provided between tongue 82 and supporting block 81 for providing that the two is relatively distant from required elastic force and the first elastic component 83, push up the second elasticity being provided between tongue 82 and Rear frame 2 for driving top tongue 82 to move towards the direction far from supporting block 81 Part 84.Herein, what the first elastic component 83 and the second elastic component 84 used is spring.
In the state that connection frame 3 and Rear frame 2 not yet rotate folding, as shown in Fig. 4, Figure 10, in the second elasticity Under the active force of part 84, top tongue 82 is kept out at the rear portion of connection frame 3, is specially kept out at the rear portion of lock slider 61, at this point, branch Bracer 81 is located at the lower section of saddle supporting element 41 and provides it to stablize support;When connection frame 3 rotates receipts with respect to Rear frame 2 After folding, as shown in figure 12, the rear portion of connection frame 3 and the front of Rear frame 2 are mutually disengaged, so that top tongue 82 is in the second elastic component 84 Active force under forward slip, and drive 81 forward slip of supporting block and progressively disengage the lower section of saddle supporting element 41, finally such as Shown in Figure 14, saddle 4 is manually rotated, saddle supporting element 41 further pushes supporting block 81 forward and makes its forward slip, So that saddle 4 is collapsed with respect to Rear frame 2, and supporting block 81 is kept out under the action of the first elastic component 83 in saddle supporting element 41 Side on, so that its is kept the opposite state collapsed with Rear frame 2.
The foldable tricycle is as shown in Figures 1 to 4 in the deployed state, and preceding locking mechanism 5, rear locking mechanism 6 are in Lock state, saddle 4 are in the open state with respect to Rear frame 2.When needing to be folded on the tricycle, first operation unlock is pressed Locking mechanism 5 unlocks before button 55 makes, and then drives front frame 1 to overturn around rotation axis 50 with respect to connection frame 3, such as Fig. 9, Tu10Suo Show, in above process, linkage unit 7 drives solution 63 forward slip of lock slide and makes rear locking mechanism 6 by linkage of unlocking;With Afterwards, front frame 1 is overturn into folding with respect to Rear frame 2 around rotary shaft 60 together with connection frame 3, as shown in Figure 11, Figure 12, at this time Top tongue 82 is disconnected the rear portion of frame 3, and drives 81 forward slip of supporting block and be detached from the lower part of saddle supporting element 41;Finally, It collapses it with respect to Rear frame 2 downward push of saddle 4, as shown in figs. 13 and 14, completes the folding of tricycle frame, fold Tricycle afterwards is integrally as shown in Figure 15,16, and front-wheel 10 and rear-wheel 20 are supported in ground jointly, and the rear portion of connection frame 3 is in upward The state holded up, fore-stock 1, connection frame 3 and Rear frame 2 are mutually drawn close along the longitudinal direction, and between fore-stock 1 and connection frame 3, Opposite locking is kept between connection frame 3 and Rear frame 2, saddle 4 collapses the rear side in Rear frame 2, very compact knot is presented Structure, volume also very little, it is convenient for collecting with carry.
When needing to be unfolded the tricycle, user can operate in accordance with the following steps: first release the lock of foldable locking structure 9 It is fixed, and by Rear frame 2 with respect to 3 rotating opening of connection frame, it then presses locking mechanism 5 before unblock button 55 makes and unlocks, and drive Make front frame 1 with respect to 3 rotating opening of connection frame, the actuator 71 in STATEMENT OF FEDERALLY SPONSORED 7 also gradually resets so that solution lock slide 63 also by It gradually resets and rear locking mechanism 6 is relocked.Finally, being lifted up saddle 4, the reset of supporting block 81 is re-formed to saddle 4 lower section saddle supporting elements 41 stablize support, and vehicle frame completes expansion.
To sum up, foldable tricycle of the invention, folds and opening operation is all very convenient, and its folding volume is small, side Portable belt and storage are stored.
It is to be in unfolded state referring to the tricycle to use for children's ride-on above with respect to orientation such as front, rear, top, and bottom When children observed by orientation referred to definition.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.

Claims (16)

1. a kind of foldable tricycle, including the vehicle frame with unfolded state and folded state, the vehicle frame include front frame, after Vehicle frame and saddle, the front frame include at least front fork, set on the front fork lower part front-wheel, be set to the front fork top And the handlebar for controlling the front-wheel steer, the lower part of the Rear frame are provided with rear-wheel, it is characterised in that: the vehicle frame is also Including the connection frame being arranged between the front frame and the Rear frame, the connection frame extends along the longitudinal direction, the company The front for connecing frame rotationally connect with the front frame and is locked by preceding locking mechanism therebetween, the rear portion of the connection frame It rotationally connect with the top of the Rear frame and is locked by rear locking mechanism therebetween, the saddle is set to the rear car On frame, when the vehicle frame is in folded state, the rear portion of the connection frame is holded up upwards, the fore-stock, the connection frame It is mutually drawn close along the longitudinal direction with the after-poppet, the saddle collapses the rear side in the after-poppet.
2. foldable tricycle according to claim 1, it is characterised in that: the preceding locking mechanism and the rear locking machine Be provided with linkage unit between structure, the front frame relative to connection frame rotation collapse during the linkage unit drive Locking mechanism unlock after described.
3. foldable tricycle according to claim 2, it is characterised in that: the front of the connection frame by rotation axis with The front frame is rotatablely connected, and the unlock that the rear locking mechanism unlock can be driven in sliding is provided in the Rear frame Sliding block, the linkage unit include the actuator being set between the connection frame and the front frame, are connected to the actuator With the hauling rope between the solution lock slide, the connection frame rotates relative to the front frame and makes the front frame and the company Connect during frame mutually collapses, the actuator around the rotation axis rotate and drive it is described after locking mechanism unlock.
4. foldable tricycle according to claim 3, it is characterised in that: the preceding locking mechanism includes locking joint, The locking joint includes the first socket joint, second joint seat, locking fluted disc and elastic component, first socket joint and described the One of both two socket joints are fixedly connected with the front frame, before another one is fixedly attached to the connection frame Portion, first socket joint, locking fluted disc and second joint seat are rotationally connected around the rotation axis, and the elastic component is set to institute It states between the first socket joint and the locking fluted disc, there are circumferentially spaced multiple first teeth in first socket joint Slot, has circumferentially spaced multiple second tooth sockets on the second joint seat, in the outside circumference of the locking fluted disc With circumferentially spaced multiple locking teeths, when the preceding locking mechanism is in the lock state, the both ends of the locking teeth Portion is plugged in respectively in first tooth socket and the second tooth socket, when the preceding locking mechanism is in the unlocked state, the locking teeth It is detached from from second tooth socket,
The actuator can be rotatably arranged between the locking fluted disc and first socket joint simultaneously around the rotation axis It is rotated in preceding locking mechanism unlock by the locking teeth dish driving.
5. foldable tricycle according to claim 4, it is characterised in that: the actuator includes rotatably being arranged In the mounting ring in the rotation axis, the rotating block that is fixed on one side of mounting ring, the hauling rope is connected to described Between rotating block and the solution lock slide, limiting slot is offered in the circumference of the locking fluted disc, the rotating block is located at described In limiting slot.
6. foldable tricycle according to claim 3, it is characterised in that: locking mechanism includes being set to the company after described The lock slider on frame, the lock pin on the lock slider are connect, the Rear frame top is opened in and is used for and the lock The lockhole of cooperation is sold, the glide direction of the lock slider and the glide direction of the solution lock slide are mutually perpendicular to, the unlock It is provided with unlock inclined-plane on sliding block, the cooperation inclined-plane with unlock inclined-plane cooperation, the solution are provided on the lock slider It is additionally provided between lock slide and the lock slider for driving the lock slider far from needed for the unlock slide block movement The spring of elastic force.
7. foldable tricycle according to claim 1, it is characterised in that: the front of the saddle is rotationally connected to institute It states in Rear frame, the relatively described Rear frame of the saddle has opening state and collapsed state, when the saddle is by opening state When converting to collapsed state, the height of the relatively described Rear frame in the rear portion of the saddle is reduced and is mutually received with the Rear frame Hold together.
8. foldable tricycle according to claim 1, it is characterised in that: the front of the saddle is rotationally connected to institute It states in Rear frame, the rear portion of the saddle is provided with the saddle supporting element extended downwardly, and having in the Rear frame can support Supporting block below the saddle supporting element, the supporting block are actively set in the Rear frame, and the saddle is with respect to institute Rear frame is stated with opening state and collapsed state, when the saddle in the open state, the supporting block is supported on described The lower section of saddle supporting element;When the saddle is in folding state, the supporting block is de- from the lower section of the saddle supporting element From and the saddle Rear frame relatively is collapsed.
9. foldable tricycle according to claim 8, it is characterised in that: the supporting block be slidably arranged in it is described after The top tongue that the supporting block sliding can be driven in sliding is also slidably provided on vehicle frame, in the Rear frame, when described When vehicle frame is in unfolded state, the top tongue top is located at the rear portion of the connection frame, the supporting block and the saddle supporting element It cooperates;When the vehicle frame is in folded state, the top tongue is detached from the rear portion of the connection frame, and drives the support Block slides and makes the supporting block far from the lower section of the saddle supporting block.
10. foldable tricycle according to claim 9, it is characterised in that: the rear portion of the top tongue is provided with sliding pin, institute The sliding slot for offering in supporting block and penetrating with being slidably matched for the sliding pin is stated, is also set up between the top tongue and the supporting block There is the first elastic component for being relatively distant from required elastic force for providing the two, is arranged between the top tongue and the Rear frame useful In the second elastic component for driving the top tongue to move towards the direction far from the supporting block.
11. according to the described in any item foldable tricycles of claim 8 to 10, it is characterised in that: the Rear frame have with The rear car pipe of the connection frame connection, the supporting block are slidably set in the lumen of the rear car pipe, on the rear car pipe also Offer the open slot being connected to its lumen, the lower part of the saddle supporting element be plugged in the open slot and with the support Block cooperation.
12. foldable tricycle according to claim 1, it is characterised in that: the Rear frame includes and the connection frame The rear car pipe of connection, and the left and right sides and two groups of back stays vertically extending are divided into, under every group of back stay Portion is provided with the rear-wheel, and back stay described in two groups is wholely set in downward opening U-shaped bar, and the rear car pipe is along front and back Direction extends, and the top of the U-shaped bar is opposite with the rear portion of the rear car pipe to be arranged fixedly.
13. foldable tricycle according to claim 1, it is characterised in that: the front frame further includes along the vertical direction The preceding standpipe extended, the top of the front fork can rotatably be connect with the preceding standpipe around self-axis line, the connection frame Front and the preceding standpipe between rotationally connect.
14. foldable tricycle according to claim 1, it is characterised in that: between the Rear frame and the connection frame It is additionally provided with foldable locking structure, when the vehicle frame is in folded state, the Rear frame is mutually drawn close with the connection frame Shi Suoshu foldable locking structure latches and make the Rear frame and the connection frame relatively fixed.
15. foldable tricycle according to claim 1, it is characterised in that: the preceding locking mechanism has lock state With unlocked state, when the vehicle frame is under unfolded state and folded state, the preceding locking mechanism be in lock state and So that the connection frame and the front frame are relatively fixed.
16. foldable tricycle according to claim 15, it is characterised in that: the preceding locking mechanism includes that locking is closed Section, the locking joint include the first socket joint, second joint seat, locking fluted disc and elastic component, first socket joint and institute It states one of both second joint seats to be fixedly connected with the front frame, another one is fixedly attached to the connection frame Front, first socket joint, locking fluted disc and second joint seat are rotationally connected around same rotary centerline, the elastic component Between first socket joint and the locking fluted disc, with circumferentially spaced multiple in first socket joint First tooth socket has circumferentially spaced multiple second tooth sockets, the outside of the locking fluted disc on the second joint seat There are circumferentially spaced multiple locking teeths, when the preceding locking mechanism is in the lock state, the locking in circumference The both ends of tooth are plugged in respectively in first tooth socket and the second tooth socket, when the preceding locking mechanism is in the unlocked state, institute Locking teeth is stated to be detached from from second tooth socket.
CN201910192430.0A 2019-03-14 2019-03-14 Foldable tricycle Pending CN110001845A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910192430.0A CN110001845A (en) 2019-03-14 2019-03-14 Foldable tricycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910192430.0A CN110001845A (en) 2019-03-14 2019-03-14 Foldable tricycle

Publications (1)

Publication Number Publication Date
CN110001845A true CN110001845A (en) 2019-07-12

Family

ID=67167041

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910192430.0A Pending CN110001845A (en) 2019-03-14 2019-03-14 Foldable tricycle

Country Status (1)

Country Link
CN (1) CN110001845A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110879024A (en) * 2019-11-19 2020-03-13 江西洪都航空工业集团有限责任公司 Single-handle folding wheel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110879024A (en) * 2019-11-19 2020-03-13 江西洪都航空工业集团有限责任公司 Single-handle folding wheel

Similar Documents

Publication Publication Date Title
CN101844576B (en) Stroller
CN105480342B (en) Foldable child tricycle and its method for folding
CN110001845A (en) Foldable tricycle
CN106660598B (en) Cyclist's cart
KR20190042769A (en) Robotrike
CN104401380A (en) Foldable umbrella handle type buggy
CN201516863U (en) Foldable children's cart, folding locking apparatus and back support adjusting device
CN106043402B (en) Children trolley
KR20190106991A (en) stroller
CN211844589U (en) Baby carriage framework and baby carriage
CN211442450U (en) Foldable support and baby carriage frame with same
CN209064267U (en) A kind of child's tricycle
CN209719809U (en) Foldable tricycle
CN209904854U (en) Baby carriage
CN208344303U (en) Bi-directional foldable stroller
CN211001524U (en) Baby's handcart convenient to folding operation
CN101544242B (en) Folding baby carriage
CN210707576U (en) Infant stroller
CN208585300U (en) Children trolley
CN211918801U (en) Foldable stroller
CN211844595U (en) Children's barrow
CN211391420U (en) Folding auxiliary carrying vehicle for children
CN210027757U (en) Folding tricycle
CN211995988U (en) Children's vehicle
CN212099030U (en) Baby carriage with automatically-folded backrest

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination