CN110001845A - Foldable tricycle - Google Patents
Foldable tricycle Download PDFInfo
- 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
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- China
- Prior art keywords
- frame
- locking
- saddle
- state
- connection
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- 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.)
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- 210000003781 Tooth Socket Anatomy 0.000 claims description 24
- 210000000515 Tooth Anatomy 0.000 claims description 20
- 239000002965 ropes Substances 0.000 claims description 9
- 210000001503 Joints Anatomy 0.000 claims description 2
- 230000000149 penetrating Effects 0.000 claims 1
- 238000003860 storage Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000005520 cutting process Methods 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 210000002421 Cell Wall Anatomy 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K15/00—Collapsible or foldable cycles
- B62K15/006—Collapsible or foldable cycles the frame being foldable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K9/00—Children's cycles
- B62K9/02—Tricycles
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
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.
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)
| 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 |
-
2019
- 2019-03-14 CN CN201910192430.0A patent/CN110001845A/en active Pending
Cited By (1)
| 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 |
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