CN110294061A - A kind of full formula cycle frame of symmetrical fold containing formula - Google Patents
A kind of full formula cycle frame of symmetrical fold containing formula Download PDFInfo
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- CN110294061A CN110294061A CN201910404802.1A CN201910404802A CN110294061A CN 110294061 A CN110294061 A CN 110294061A CN 201910404802 A CN201910404802 A CN 201910404802A CN 110294061 A CN110294061 A CN 110294061A
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- frame
- front frame
- cake
- fold
- handle
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- 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
- B62K15/008—Collapsible or foldable cycles the frame being foldable foldable about 2 or more axes
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- Mechanical Engineering (AREA)
- Motorcycle And Bicycle Frame (AREA)
Abstract
The present invention provides a kind of full formula cycle frame of symmetrical fold containing formula, including front frame, front fork, Rear frame, rear fork, faucet, vehicle seat, faucet is mounted on front frame front end, leading top and the bottom are combined together by separable structure, vehicle seat is mounted on above Rear frame by separable structure, there is connected body between front frame and Rear frame, between leading lower end and front fork, between Rear frame and rear fork and between front frame, fold mechanism is installed between Rear frame, front frame includes preceding front frame, front/rear frame, preceding front frame, front/rear frame and front fork constitute a hollow preceding pied geometry after folding, for accommodating front vehicle wheel, Rear frame includes rear front frame, Rear frame afterwards, front frame afterwards, Rear frame and rear fork constitute a hollow rear pied geometry after folding afterwards, for accommodating rear wheel.Folding ratio is high, and structure is simple, can quick-folding and expansion, it is easy to use.
Description
Technical field
The present invention relates to a kind of full formula cycle frames of symmetrical fold containing formula, belong to daily product bicycle class technical field.
Background technique
The advantages of Collapsible bicycle, is with the structure that is more compact convenient for storage, carrying or transport, well known
Folding bicycle have include it is two or more can be opened, fold or vehicle frame that part can be shortened, in certain well known foldings
In folded bicycle, decomposes their wheel by unloading and can further decrease folded size.But all because more or less there is
The disadvantages of folding ratio is low, method for folding is cumbersome, performance of riding is undesirable or manufacture is complicated, at high cost, appearance is unsightly generous
And it is difficult to be universally accepted.The outer dimension for being currently used for the ordinary bicycle ridden is to examine by long-term practice, meet people
Body is kinematic, and posture is natural when riding, it is tired to be not easy, and the adaptability of road pavement is also preferable.Therefore, it designs in any case voluntarily
The folding scheme of vehicle has to comply with and retains these structural advantages.
Application No. is a kind of folding bicycles of CN201610552542.9, including by front truck wheel portion, front connector and handle
Preceding folding unit, middle puckered ring and the rear folding unit being made of rear car wheel portion, rear connectors and rear seat of hand composition, it is preceding
Folding unit around its front connector lateral turnover and can be adjacent to middle puckered ring, it is rear fold unit can be around its rear connectors lateral turnover
And it is adjacent to the middle puckered ring, and keep folded preceding folding unit, rear folding unit concentric with middle puckered ring and radius size
It is of substantially equal, reduce folding volume to large extent, in addition, handle portion and rear seat are both designed as turnover folding, into
One step reduces folding volume；This kind of folding bicycle realizes zigzag and laterally folds with circle, reduces bicycle length, but
Folded width significantly increases, since the length or front and back wheel base of bicycle are in a certain range, to take such side
Can not be too small to the bicycle wheel diameter of three method for folding, so middle puckered ring is relatively large in diameter, after folding whole volume compared with
Greatly, vehicle is relatively heavy.
Application No. is three folding bicycle of CN200920210172.6 lantern ring type, vehicle frame is tubulose ring structure, vehicle frame
Front end is connect by vertical tube pin with handlebar stem, handlebar, constitutes the tap structure of car body, the loop frame below vertical tube pin passes through
Preceding bolt, front fork and front axle are connect with front-wheel, constitute the fore wheel structure of car body, the rear end of loop frame by rear bolt, rear fork,
Rear axle and flywheel are connect with rear-wheel, constitute the rear-wheel structure of car body, the top setting vehicle seat pin and vehicle seat of loop frame, front-wheel and
Rear-wheel is no spoke structure, and wheel the same side is slightly recessed inwardly, and front-wheel can rotate 180 to vehicle frame rear by preceding bolt
Degree, rear-wheel can enable front wheels and rear wheels to overlap in insertion loop frame by rear bolt to rotation 180 degree in front of vehicle frame；Faucet
Structure can pass through rear bolt with after by vehicle seat pin circular folding, chain type transmission structure by vertical tube pin circular folding, vehicle seat
Wheel is folded together, forms the bicycle that lantern ring type folds.Although three folding bicycle of lantern ring type also achieves zigzag side
Xiang Tongyuan is folded, and front and back wheel is embedded in tubulose loop frame, or even the front-wheel insertion of small diameter is taken to be relatively large in diameter
It is further risen after rear-wheel in the bigger loop frame of insertion diameter, further reduces folding width.But due to the length of bicycle
Or front and back wheel base be in a certain range, take bicycle wheel diameter from such embedded side to three method for folding not yet
May be too small, so tubulose loop frame diameter is also larger, whole volume is also larger after folding, and there is also heavier problems for vehicle.
Application No. is CN201110304543.9 Semi-containing-type symmetrical folding bicycle, including front frame, front fork, front vehicle wheel,
Rear frame, rear fork, rear wheel, faucet, vehicle seat, pedal, crank and transmission device, front vehicle wheel are mounted on front fork, rear wheel peace
On rear fork, faucet is mounted in front frame, and vehicle seat is mounted in Rear frame, between front frame and Rear frame, under faucet
Foldable fold mechanism is installed between end and front fork and between Rear frame and rear fork, transmission device is mounted on rear fork front end,
Pedal is mounted on crank, and the input terminal connection of crank and transmission device, rear wheel is connect with transmission device.The self-opened is symmetrical
The front and back wheel of folding bicycle surrounds rotatable into forward and backward semicircle with the axis of the forward and backward fold mechanism pitched and be linked together
In shape vehicle frame, further folded further through the axis rotation 180 degree around the fold mechanism for coupling forward and backward vehicle frame, volume after folding
It is smaller.This method for folding is substantially the improvement of three method for folding: front and back wheel is axial respectively to be screwed in the semicircle vehicle frame in front and back,
Then the semicircle vehicle frame in front and back side-foldable again, forms compound three and folds, it is straight that this method for folding has further reduced folding
Diameter, reduces the wheel diameter of selected folding bicycle, to reduce folding volume and alleviate folding bicycle weight.But
It is, it must be pointed out that, this method for folding is effectively, if further decreasing bicycle for the folding of minor diameter wheel bicycle
Folding volume and weight then need to fold the bicycle for being equipped with small diameter wheel；As previously mentioned, ordinary bicycle
Outer dimension is to examine by long-term practice, meet human motion engineering, in order to keep this advantage of bicycle, bicycle
Front and back wheel base be to keep in a certain range.By further test show application No. is
CN201110304543.9 Semi-containing-type symmetrical folding bicycle method for folding is not suitable for the folding of small diameter wheel bicycle.
Based on same reason, application No. is CN201610552542.9 and application No. is the folding bicycles of CN200920210172.6
Method for folding is less suitable for the folding of small diameter bicycle.
Summary of the invention
The bicycle for being equipped with small diameter wheel is carried out in order to overcome existing folding bicycle method for folding can't resolve
The shortcomings that folding and deficiency, the present invention provide a kind of full formula cycle frame of symmetrical fold containing formula, this kind of structure cycle frame
Bicycle compared with small-wheel-diameter can not only sufficiently be folded, and folding ratio is high, small in size, structure is simple.
What goal of the invention of the invention was mainly achieved by following technical proposals:
A kind of full formula cycle frame of symmetrical fold containing formula, comprising: front frame, front fork, Rear frame, rear fork, faucet, vehicle seat, it is preceding
Wheel is mounted on front fork, and rear wheel is mounted on rear fork, and faucet is mounted on front frame front end, leading upper part and lower end
It point is connected, is folded for convenience, separable when folding, vehicle seat passes through separable structure peace by separable structure in front frame position
Above Rear frame, be provided with connected body between front frame and Rear frame, it is leading between lower end and front fork and Rear frame with
The fold mechanism that can axially fold is provided between rear fork, it is characterised in that:
The front frame includes preceding front frame, front/rear frame, and being provided between preceding front frame and front/rear frame axially to fold
Fold mechanism, preceding front frame, front/rear frame and the front fork constitute a hollow preceding pied geometry after folding, in preceding cake
For accommodating front vehicle wheel, the Rear frame includes rear front frame, rear Rear frame, is also provided between rear front frame and rear Rear frame in portion
There is the fold mechanism that can axially fold, rear front frame, rear Rear frame and the rear fork constitute a hollow rear circle after folding
Cake structure, rear cake inside is for accommodating rear wheel.
A kind of full formula cycle frame of symmetrical fold containing formula as described above, it is characterised in that: the connected body is class square
Structure, connected body are directly an entirety front/rear frame and the connection of rear front frame.The beneficial effect is that: before can not only reinforcing
Rear frame and rear front frame linking intensity simplify structure, while also can according to need the full vehicle commander's degree of adjustment, to meet human body work
Ride needs.
A kind of full formula cycle frame of symmetrical fold containing formula as described above, it is characterised in that: the connected body either energy
The fold mechanism of enough side-foldables, for front/rear frame and rear front frame is active is bound up, the folding of the side-foldable
Rotary shaft is provided in folded mechanism, the rotary shaft is used for the rear cake phase of the preceding cake and receiving rear wheel receiving front vehicle wheel
180 degree is rotated between mutually, is formed laterally with circle foldable structure.The beneficial effect is that: folding volume can be further reduced.
A kind of full formula cycle frame of symmetrical fold containing formula as described above, it is characterised in that: the connected body either one
A hollow semi-cylindrical cake structure, fold mechanism and front/rear frame rear end of the hollow semi-cylindrical cake structure front end by energy side-foldable
Active connection, hollow semi-cylindrical cake structure rear end by can side-foldable fold mechanism with rear front frame front end is active couples, appearance
Receive front vehicle wheel preceding cake around fold mechanism rotation shaft side to rotation 180 degree with circle be fitted in hollow semi-cylindrical cake side, accommodate
The rear cake of rear wheel is fitted in the hollow semi-cylindrical cake other side with circle to rotation 180 degree around another fold mechanism rotation shaft side.
The beneficial effect is that: further reduce folding volume.
A kind of full formula cycle frame of symmetrical fold containing formula as described above, it is characterised in that: the connected body is either logical
Cross the active preceding hollow semi-cylindrical cake structure and rear hollow semi-cylindrical cake structure being linked together of the fold mechanism that can axially fold, it is preceding in
Empty half pied geometry front end by can side-foldable fold mechanism with front/rear frame rear end is active couples, rear hollow semi-cylindrical cake knot
Structure rear end by can side-foldable fold mechanism with rear front frame front end is active couples, accommodate the preceding cake of front vehicle wheel around rolling over
Hollow semi-cylindrical cake side before folded mechanism rotation shaft side is fitted in rotation 180 degree with circle accommodates the rear cake of rear wheel around another
One fold mechanism rotation shaft side is fitted in rear hollow semi-cylindrical cake opposite side, preceding hollow semi-cylindrical cake structure with circle to rotation 180 degree
Related preceding cake is around the fold mechanism rotary shaft axial-rotation between preceding hollow semi-cylindrical cake structure and rear hollow semi-cylindrical cake structure
About 180 degree and rear hollow semi-cylindrical cake structure are combined into a hollow cake, and form three cakes and fold with circle.Its advantages
It is: has further reduced folding volume.
A kind of full formula cycle frame of symmetrical fold containing formula as described above, it is characterised in that: the front frame includes: front truck
Frame I, front frame II and front frame III, between the front fork and front frame I, between front frame I and front frame II, II and of front frame
There is the active connection of the fold mechanism that can axially fold between front frame III；The Rear frame includes: Rear frame I, Rear frame II
With Rear frame III, between the rear fork and Rear frame I, between Rear frame I and Rear frame II, between Rear frame II and Rear frame III
There is the active connection of the fold mechanism that can axially fold；Front frame I, front frame II, front frame III and front fork surround respective folding
The rotary shaft of folded mechanism constitutes a hollow preceding cake I after axially folding, the internal hollow structure formed can accommodate front truck
Wheel；Rear frame I, Rear frame II, Rear frame III and rear fork constitute one after the rotary shaft axial direction folding of respective fold mechanism
A hollow rear cake I, the internal hollow structure formed can accommodate rear wheel.
A kind of full formula cycle frame of symmetrical fold containing formula as described above, it is characterised in that: the front frame includes: front truck
Frame A, front frame B, front frame C and front frame D, between the front fork and front frame A, between front frame A and front frame B, front truck
Between frame B and front frame C, there is the active connection of the fold mechanism that can axially fold between front frame C and front frame D；After described
Vehicle frame includes Rear frame A, Rear frame B, Rear frame C and Rear frame D, between the rear fork and Rear frame A, Rear frame A and rear car
There is the fold mechanism that can axially fold active between frame B, between Rear frame B and Rear frame C, between Rear frame C and Rear frame D
Connection；Front frame A, front frame B, front frame C, front frame D and front fork are axially folded around the rotary shaft of respective fold mechanism
A hollow preceding cake A is constituted afterwards, and the hollow structure formed inside preceding cake A can accommodate front vehicle wheel；Rear frame A, Rear frame
B, Rear frame C, Rear frame D and rear fork constitute a hollow rear circle after the rotary shaft axial direction folding of respective fold mechanism
The hollow structure formed inside cake A, rear cake A can accommodate rear wheel.
A kind of full formula cycle frame of symmetrical fold containing formula as described above, it is characterised in that: the front frame and Rear frame
It is almost symmetry structure, front fork and rear fork almost symmetry, folded hollow cake also forms almost symmetry structure.
A kind of full formula cycle frame of symmetrical fold containing formula as described above, it is characterised in that: the fold mechanism includes: the
One folded piece, the second folded piece, rotary shaft and folding axis；First folded piece and the second folded piece are hinged by rotary shaft, rotation
The axis of axis is parallel with the folding axis of axis；First folded piece respectively has a round auricle structure in rotary shaft and folding axis both ends,
There is through-hole on auricle, the second folded piece corresponding position among rotary shaft and between two auricle of the first folded piece has a band through-hole
Cylindrical structure, this cylindrical hole diameter and auricle through-hole diameter are equal in magnitude, have rotary shaft pin shaft is active hingedly to connect in through-hole
Two folded pieces are connect, rotary shaft plays rotation connection function；Second folded piece folding axis among and with two auricle of the first folded piece it
Between corresponding position have the tapped through-hole cylindrical structure in a both ends, the big portion of the thread parameter at hole both ends is identical but oppositely oriented,
Match multi-diameter shaft thick between respectively having the both ends detail with interior regular hexagon through-hole with hole both ends screw thread, among multi-diameter shaft compared with
The external screw thread that the thick hole column part Che Youyu screw thread matches, multi-diameter shaft both ends are small less than internal screw thread compared with the diameter of thin column part
Diameter, multi-diameter shaft outer end body diameter is equal with the auricle bore dia of corresponding position on the first folded piece, is beneficial to the progress that inserts in the hole
Connection locking；It is cooperating therewith that a regular polygon pin is provided in two multi-diameter shaft hexagonal holes, the setting of regular polygon pin right end
There is a radial small sircle hole, right multi-diameter shaft corresponding position is also equipped with an an equal amount of radial small sircle hole, has one in small sircle hole
Roundlet pin, roundlet pin are fixed together regular polygon pin and right multi-diameter shaft, and multi-diameter shaft outer end portion has there are a shallow slot
It is inserted into beneficial to regular polygon spanner with matching and carries out rotation process；Regular polygon pin length is less than folded piece width, greatly
It still has partial-length that should be in the just polygon hole of left multi-diameter shaft when two multi-diameter shafts are in outermost end latched position, prevents because of it
It is detached from left multi-diameter shaft and cisco unity malfunction；It opens and closes axis and plays opening or locking effect, it is right to rotate drive by regular polygon spanner
Multi-diameter shaft rotation to make right multi-diameter shaft precession or back-out in threaded hole, while driving left multi-diameter shaft by regular polygon pin
Rotated backward, precession or back-out similarly in its threaded hole, two multi-diameter shaft outer end roundlet post parts enter or exit with
The first folded piece matched on folding axis auricle hole reach and two folded pieces locked to be engaged or be separated
Fixed and isolated effect.Due to this full formula cycle frame of symmetrical fold containing formula between front frame, between Rear frame, faucet and
This fold mechanism is fitted between front fork and between Rear frame and rear fork and between connected body, so this is entirely symmetrical containing formula
Foldable bicycle frame folds, opens and lock convenient and reliable.
A kind of full formula cycle frame of symmetrical fold containing formula as described above, it is characterised in that: the faucet includes: horizontal
It hand and is stood perpendicular to the handle of Level handle, the Level handle includes: left handle, right handle, handle base, long flat axis and left handle
Pin shaft, right handle pin shaft；Level handle is mounted on vertical upper end, and handle base is in Qian shape slot structure, and Qian shape trench bottom both ends have scarce
Mouth structure can make left handle, right handle smoothly in vertical position when folding；Handle base left and right ends are respectively arranged with hole, and two
Left handle pin shaft, right handle pin shaft are respectively arranged in hole, left handle pin shaft is active solid left handle by left handle pin shaft hole
It is scheduled on the left of handle base, 90 degree of levels can be carried out around left handle pin shaft and rotated to plumbness, horizontal vertical angle is completed
Conversion, right handle pin shaft are fixed on the right side of handle base by right handle pin shaft hole right handle is active, and surrounding right handle pin shaft can
It carries out 90 degree of horizontal plumbness that arrive to rotate, completes the conversion of horizontal vertical angle, left handle right end structure, right handle left end knot
Structure answers front and back to be staggered at the flat axis of length, collision when avoiding combining, and is provided with hole before and after position among handle base, has length flat in hole
Axis, long flat axis both ends keep constant active be supported in the circular hole of handle base centre position front and back of cylinder to revolve for carrying out 90 degree of limits
Turn, position two sides symmetrically prune a part and form flat axis among long flat axis, and left handle right end and right handle left end have band to lack downwards
The circular hole of mouth, Circularhole diameter are equal to long flat shaft diameter, and gap width is shaved the thickness of rear remainder, a left side slightly larger than long flat axis
Handle grows flat axis laterally through left handle right end circular hole notch and in access aperture during the steering horizontal position of upright position,
Right handle is during the steering horizontal position of upright position, long flat axis access aperture laterally through right handle left end circular hole notch
In, the flat axis of this duration is rotated by 90 °, and can lock left and right handle makes them be in horizontal service position, and long flat axis reversely rotates 90
Degree can unlock.The beneficial effect is that: convenient to use and folding.
The beneficial effects of the present invention are: this contain full formula symmetrical fold formula cycle frame can not only to small diameter wheel from
Driving sufficiently folded, and folding ratio height, small in size, structure is simply firm, can quick-folding and expansion, use, collection
And convenient transportation.
Detailed description of the invention
Fig. 1 is the construction profile perspective view of the embodiment of the present invention.
Fig. 2 is the construction profile schematic diagram for removing faucet and vehicle seat of the embodiment of the present invention.
Fig. 3 is the front fork and front vehicle wheel and rear fork and rear wheel folded configuration appearance schematic diagram of the embodiment of the present invention.
Fig. 4 be the embodiment of the present invention folding after the preceding pied geometry that is formed and rear pied geometry appearance schematic diagram.
Fig. 5 is the fold mechanism construction profile perspective view that the connected body of the embodiment of the present invention is energy side-foldable.
Fig. 6 be the connected body of the embodiment of the present invention be can side-foldable fold mechanism intermediate folded state construction profile
Perspective view.
Fig. 7 be the connected body of the embodiment of the present invention be can side-foldable fold mechanism folded configuration shape it is three-dimensional
Figure.
Fig. 8 is that the connected body of the embodiment of the present invention is the intermediate folded state construction profile solid of hollow semi-cylindrical cake structure
Figure.
Fig. 9 is that the connected body of the embodiment of the present invention is the folded configuration shape perspective view of hollow semi-cylindrical cake structure.
Figure 10 is that the connected body of the embodiment of the present invention is the preceding hollow semi-cylindrical cake structure and rear hollow semi-cylindrical that can axially fold
The forward and backward cake folded state construction profile schematic diagram of cake structure.
Figure 11 is that the connected body of the embodiment of the present invention is the preceding hollow semi-cylindrical cake structure and rear hollow semi-cylindrical that can axially fold
The forward and backward cake side-foldable status architecture shape perspective view of cake structure.
Figure 12 is that the connected body of the embodiment of the present invention is the preceding hollow semi-cylindrical cake structure and rear hollow semi-cylindrical that can axially fold
Status architecture shape perspective view after the folding of cake structure.
Figure 13 be the embodiment of the present invention front frame and Rear frame be all consist of three parts remove faucet and vehicle seat
Construction profile perspective view.
After Figure 14 is the front frame of the embodiment of the present invention and Rear frame is all the front and rear part doubling consisted of three parts
Folded state construction profile perspective view.
Figure 15 is the front frame of the embodiment of the present invention and Rear frame is all the folded status architecture consisted of three parts
Shape perspective view.
Figure 16 be the front frame of the embodiment of the present invention and Rear frame be all it is quadruple remove faucet and vehicle seat
Construction profile schematic diagram.
Figure 17 is the front frame of the embodiment of the present invention and Rear frame is all quadruple folded status architecture
Shape perspective view.
Figure 18 is the fold mechanism three-dimensional cutaway view of the embodiment of the present invention.
Figure 19 is the Level handle construction profile perspective view of the embodiment of the present invention.
Symbol description in attached drawing:
Fig. 1: faucet 1, fold mechanism 2, front fork 3, front vehicle wheel 4, preceding front frame 5, front/rear frame 6, connected body 7, rear front frame 8,
Rear frame 9 afterwards, rear fork 10, rear wheel 11, vehicle seat 12.
Fig. 4: by preceding front frame 5, the preceding pied geometry 21 that front/rear frame 6 and front fork 3 form after folding, by rear front frame 8,
The rear pied geometry 22 that Rear frame 9 and rear fork 10 are formed afterwards.
Fig. 5: fold mechanism 2.
Fig. 8: hollow semi-cylindrical cake structure 23, fold mechanism 2.
Figure 10: preceding hollow semi-cylindrical cake structure 24, rear hollow semi-cylindrical cake structure 25, fold mechanism 2.
Figure 13: front frame I 26, front frame II 27, front frame III 28, Rear frame I 31, Rear frame II 30, Rear frame III 29,
Fold mechanism 2.
Figure 16: front frame A32, front frame B33, front frame C34, front frame D35, Rear frame A39, Rear frame B38, rear car
Frame C37, Rear frame D36, fold mechanism 2.
Figure 18: the first folded piece 41, rotary shaft pin shaft 42, the second folded piece 43, right multi-diameter shaft 44, regular hexagon pin 45,
Roundlet pin 46 opens and closes axis 47, left multi-diameter shaft 48, rotary shaft 49.
Figure 19: left handle 51, left handle pin shaft 52, handle base 53, long flat axis 54, right handle pin shaft 55, right handle 56.
Specific embodiment
Below in conjunction with attached drawing, embodiments of the present invention is further illustrated, and examples of the embodiments are shown in the accompanying drawings,
In which the same or similar labels are throughly indicated same or similar element or elements with the same or similar functions.Under
Face is exemplary by reference to the embodiment that attached drawing describes, it is intended to is used to explain the present invention, and be should not be understood as to the present invention
Limitation, any modification, equivalent replacement or improvement for being made all within the spirits and principles of the present invention etc. should be included in this
It within the scope of the claims of invention, is not addressed in detail in the technical program, is well-known technique.
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the present invention contain entirely symmetrical foldable bicycle frame include: front frame, it is preceding
Fork 3, Rear frame, rear fork 10, leading 1, vehicle seat 12, connected body 7, the front frame include preceding front frame 5, front/rear frame 6 again,
The Rear frame includes rear front frame 8, rear Rear frame 9 again.
Front vehicle wheel 4 is mounted on front fork 3, and rear wheel 11 is mounted on rear fork 10, and faucet 1 is mounted on the front truck of front frame
The front end of frame 5, leading 1 upper part and end portion are linked together in preceding 5 junction of front frame by helicitic texture, in order to
It is convenient for folding, leading 1 upper part separation, vehicle seat 12 can be mounted on above rear Rear frame 9 by separable structure when folding,
In order to facilitate folding, when folding, can separate vehicle seat 12, there is connected body 7 between front/rear frame 6 and rear front frame 8, under faucet 1
Between end and front fork 3 and between preceding front frame 5 and front/rear frame 6, between rear Rear frame 9 and rear fork 10 and rear front frame 8 with
The fold mechanism 2 that can axially fold is fitted between Rear frame 9 afterwards.
Preceding front frame 5, front/rear frame 6 and rear front frame 8,9 main body of rear Rear frame be radius it is equal and cross its axis
∩ shape section surrounds the nearly half hollow round pie structure that its axis is rotated into, and preceding front frame 5 and rear Rear frame 9, front and back
Vehicle frame 6 and rear front frame 8 are basic respectively symmetrical about the 7 front and back plane of symmetry of connected body, that is, front frame and Rear frame are about connection
7 front and back plane of symmetry almost symmetry of junctor, front fork 3 and 10 shape main body of rear fork and vehicle frame forming process are essentially identical, only its
The ∩ shape section of axis encloses that the angle rotated about the axis thereof is smaller, and formation is small fan-shaped door opening shape structure, since front fork 3 is with after
Pitch 10 shape main bodys and installation site be also about 7 front and back plane of symmetry almost symmetry of connected body, make so entirely fold voluntarily
Vehicle carriage manufacture simplifies, and shape is also more beautiful.The inner space radius of turn and axial width of the equal front/rear frame of radius are answered
It is all larger than or the radius and thickness of the front vehicle wheel 4 equal equal to diameter and rear wheel 11, to accommodate the cycle wheel, front and back
The inner space radius of turn and thickness of fork are all slightly larger than the radius and thickness of diameter equal front vehicle wheel 4 and rear wheel 11, protect
There is gap between card cycle wheel and front and rear fork to rotate.
Front fork 3 has the fold mechanism that can axially fold 2 to couple with the leading lower end of 5 front end of front frame before active be fixed on,
When handle-bar forward direction, the rotating shaft axis of the fold mechanism and 3 axis of front fork, 5 axis of preceding front frame parallel and perpendicular to
Bicycle bilateral symmetry face, in bicycle bilateral symmetry face, the fold mechanism rotating shaft axis point is in 3 axis point of front fork with before
On the perpendicular bisector of 5 axis point line of front frame, so working as the rotation that front fork 3 surrounds the fold mechanism with front vehicle wheel 4 together
When before shaft rotating in front frame 5,3 axis of front fork is just overlapped with preceding 5 axis of front frame.Rear fork 10 and rear Rear frame 9 are logical
The fold mechanism 2 that crossing axially to fold couples, the rotating shaft axis and 10 axis of rear fork, 9 axis of rear Rear frame of the fold mechanism
Parallel and perpendicular to bicycle bilateral symmetry face, in bicycle bilateral symmetry face, the fold mechanism rotating shaft axis point is rear
On the perpendicular bisector for pitching 10 axis points and rear 9 axis point line of Rear frame, so when rear fork 10 encloses together with rear wheel 11
When rotating in rear Rear frame 9 around the rotary shaft of the fold mechanism, 10 axis of rear fork is just overlapped with rear 9 axis of Rear frame.
There is the fold mechanism that can axially fold 2 to couple between preceding front frame 5 and front/rear frame 6, the rotation of the fold mechanism
Axis and preceding front frame 5, front/rear frame 6 axis all parallel and perpendicular to bicycle bilateral symmetry face, in bicycle bilateral symmetry
In face, perpendicular bisector of the fold mechanism rotating shaft axis point in preceding 5 axis point of front frame and 6 axis point line of front/rear frame
On, so current front frame 5 rotates to front/rear frame 6 around the rotary shaft of the fold mechanism together with front vehicle wheel 4 with front fork 3
When interior, 3 axis of front fork, 5 axis of preceding front frame and 6 axis of front/rear frame are overlapped, and forming an inside can be comprising before front vehicle wheel 4
Pied geometry 21；There is the fold mechanism that can axially fold 2 to couple between front frame 8 and rear Rear frame 9 afterwards, the rotation of the fold mechanism
Shaft and rear front frame 8, rear Rear frame 9 axis all parallel and perpendicular to bicycle bilateral symmetry face, in bicycle or so pair
In title face, vertical dividing of the fold mechanism rotating shaft axis point in rear 8 axis point of front frame and rear 9 axis point line of Rear frame
On line, thus when after Rear frame 9 with rear fork 10 and rear wheel 11 together around the rotary shaft of the fold mechanism rotate to after before
When in vehicle frame 8,10 axis of rear fork, 9 axis of rear Rear frame and 8 axis of rear front frame are overlapped, and forming an inside can include rear car
The rear pied geometry 22 of wheel 11.Front and back has basically formed a two vehicle frame folding pied geometries, folded external knot in this way
Structure is fusiform cake, and almost symmetry in overall structure is beautiful and generous, easy to carry, the hollow structure also class that inside is formed
Like circular hollow, convenient for accommodating front and back wheel, space utilization rate is high.
There are connected body 7, connected body 7 between the front end of the rear front frame 8 of the rear end and Rear frame of the front/rear frame 6 of front frame
It is class box structure, is directly an entirety front/rear frame 6 and the connection of rear front frame 8, can not only reinforce 6 He of front/rear frame
8 linking intensity of front frame afterwards simplifies structure, while also can according to need the full vehicle commander's degree of adjustment, is ridden with meeting ergonomics
It needs.
Referring to Fig. 5, Fig. 6 and Fig. 7, connected body is also possible to be capable of the fold mechanism 2 of side-foldable, 6 He of front/rear frame
Front frame 8 is active afterwards is bound up, and can surround preceding pied geometry 21 of the rotary shaft receiving front vehicle wheel 4 of the fold mechanism
180 degree is rotated with the rear pied geometry 22 for accommodating rear wheel 11 laterally to fold with circle, can further reduce folding in this way
Stack product.
Referring to Fig. 8 and Fig. 9, connected body is also possible to a hollow semi-cylindrical cake structure 23, the hollow semi-cylindrical cake structure 23
Front end by can side-foldable fold mechanism 2 with 6 rear end of front/rear frame is active couples, 23 rear end of hollow semi-cylindrical cake structure passes through
Can side-foldable fold mechanism 2 with rear 8 front end of front frame is active couples, accommodate the preceding pied geometry 21 of front vehicle wheel 4 around rolling over
Folded mechanism rotation shaft side is fitted in 23 side of hollow semi-cylindrical cake with circle to rotation 180 degree, accommodates the rear pied geometry of rear wheel 11
22 are fitted in 23 other side of hollow semi-cylindrical cake with circle to rotation 180 degree around another fold mechanism rotation shaft side, further reduce
Folding volume.
Referring to Figure 10, Figure 11 and Figure 12, connected body is also possible to be connected in by the way that the fold mechanism 2 that can axially fold is active
Preceding hollow semi-cylindrical cake structure 24 and rear hollow semi-cylindrical cake structure 25 together, preceding 24 front end of hollow semi-cylindrical cake structure are lateral by energy
The fold mechanism 2 of folding with 6 rear end of front/rear frame is active couples, rear 25 rear end of hollow semi-cylindrical cake structure is by can side-foldable
Fold mechanism 2 with rear 8 front end of front frame is active couples, the preceding pied geometry 21 for accommodating front vehicle wheel 4 surrounds fold mechanism rotary shaft
24 side of hollow semi-cylindrical cake before side rotary turnback is fitted in circle accommodates the rear pied geometry 22 of rear wheel 11 around another
Fold mechanism rotation shaft side is fitted in rear 25 other side of hollow semi-cylindrical cake, preceding hollow semi-cylindrical cake structure 24 with circle to rotation 180 degree
Pied geometry 22 surrounds preceding 24 He of hollow semi-cylindrical cake structure after related preceding pied geometry 21 and rear hollow semi-cylindrical cake structure 25 are related
Fold mechanism rotary shaft axial-rotation about 180 degree between hollow semi-cylindrical cake structure 25 afterwards, preceding hollow semi-cylindrical cake structure 24 is with after
Hollow semi-cylindrical cake structure 25 synthesizes a hollow cake, in addition the preceding pied geometry 21 and rear pied geometry 22 that have folded,
Three cakes are formed with circle folded state, have further reduced folding volume.
Referring to Figure 13, Figure 14 and Figure 15, front frame includes front frame I 26, front frame II 27 and front frame III 28, before described
There is energy between fork 3 and front frame I 26, between front frame I 26 and front frame II 27, between front frame II 27 and front frame III 28
The active connection of fold mechanism 2 axially folded, Rear frame includes Rear frame I 31, Rear frame II 30 and Rear frame III 29, after described
Have between fork 10 and Rear frame I 31, between Rear frame I 31 and Rear frame II 30, between Rear frame II 30 and Rear frame III 29
The active connection of fold mechanism 2 that can axially fold；Due to the increased amount of relationship of forward and backward vehicle frame, each vehicle frame thickness and preceding up and down
Length reduces afterwards, and compared with aforementioned two vehicle frame foldings form, each vehicle frame upper circular geometry of three vehicle frame foldings here is convex
Basic disappearance is played, and then forms a planar structure, together forms relatively simple cuboid shape with following plane, in order to
Reduce manufacturing cost, each vehicle frame geometric shape is almost the same, the space structure of each frame interior substantially with aforementioned two vehicle frame folding
Similar, in this way when each vehicle frame, which is folded mechanism, to link together, contour structures are further simplified, entire cycle frame
The succinct rectangle strip structure of shape is formd, almost symmetry in overall structure is beautiful and generous.Front frame I 26, front frame II
27, front frame III 28 and front fork 3 constitute a hollow preceding class three after the rotary shaft axial direction folding of respective fold mechanism
Prism structure, the internal hollow structure formed can accommodate front vehicle wheel 4；Rear frame I 31, Rear frame II 30, III 29 and of Rear frame
Rear fork 10 constitutes a hollow rear prism class structure after the rotary shaft axial direction folding of respective fold mechanism, inside
The hollow structure of formation can accommodate rear wheel 11.Front and back prism class is around lateral between front frame III 28 and Rear frame III 29
The rotation shaft side of fold mechanism forms two prism class and folds with one heart, further reduce folded formation to rotation 180 degree doubling
Product.
Referring to Figure 16 and Figure 17, front frame includes front frame A32, front frame B33, front frame C34 and front frame D35, institute
State between front fork 3 and front frame A32, between front frame A32 and front frame B33, between front frame B33 and front frame C34, front truck
Have the active connection of fold mechanism 2 that can axially fold between frame C34 and front frame D35, Rear frame include Rear frame A39, after
Vehicle frame B38, Rear frame C37 and Rear frame D36, between the rear fork 10 and Rear frame A39, Rear frame A39 and Rear frame B38 it
Between, have the fold mechanism 2 that can axially fold active between Rear frame B38 and Rear frame C37, Rear frame C37 and Rear frame D36
Connection；Due to the increased amount of relationship of forward and backward vehicle frame, thickness and anterior-posterior length reduce each vehicle frame up and down, with aforementioned two vehicle
Frame folded form is compared, similar to above-mentioned three vehicle frame folding, each vehicle frame upper circular geometry protrusion base of four vehicle frame foldings here
This disappearance, and then a planar structure is formed, relatively simple cuboid shape is together formed with following plane, in order to reduce
Manufacturing cost, each vehicle frame geometric shape is almost the same, and the space structure of each frame interior is substantially similar with aforementioned two vehicle frame folding,
In this way when each vehicle frame, which is folded mechanism, to link together, contour structures are further simplified, and entire cycle frame is formed
Shape succinct rectangle strip structure, almost symmetry in overall structure are beautiful and generous.It is front frame A32, front frame B33, preceding
Before composition one is hollow after the rotary shaft that vehicle frame C34, front frame D35 and front fork 3 surround respective fold mechanism 2 axially folds
The tetragonous rod structure of class, the internal hollow structure formed can accommodate front vehicle wheel 4；Rear frame A39, Rear frame B38, Rear frame C37,
It is tetragonous that Rear frame D36 and rear fork 10 constitute a hollow rear class after the rotary shaft axial direction folding of respective fold mechanism 2
Rod structure, the internal hollow structure formed can accommodate rear wheel 11；Class tetragonous rod structure in front and back surrounds front frame D35 and rear car
The rotation shaft side of side-foldable mechanism between frame D36 forms two class quadrangulars and folds knot with one heart to rotation 180 degree doubling
Structure further reduces folding volume.Four vehicle frame foldings are compared with three vehicle frame foldings, and the two method for folding is similar, in front and back
All under the same conditions, four vehicle frame foldings volume more folded than three vehicle frame foldings is smaller for wheel, similarly, is further added by vehicle frame folding
It is folded to form five vehicle frame foldings or be further added by two vehicle frame foldings, six vehicle frame foldings of formation, folding volume can be further decreased, but
While increasing folding, complex degree of structure is increased, and manufacturing cost also will increase, and the stiffness of vehicle frame can reduce, unfavorable
In running at high speed.
Referring to Figure 18, fold mechanism is made of the first folded piece 41, the second folded piece 43, rotary shaft 49 and folding axis 47,
First folded piece 41 and the second folded piece 43 are articulated and connected by rotary shaft 49, the axis of rotary shaft 49 and the axis of folding axis 47
In parallel；First folded piece 41 respectively has a round auricle structure in rotary shaft 49 and folding 47 both ends of axis, there is through-hole on auricle, and second
There is a cylinder knot with through-hole in corresponding position to folded piece 43 among rotary shaft 49 and between 41 liang of auricles of the first folded piece
Structure, this cylindrical hole diameter and auricle through-hole diameter are equal in magnitude, there is two foldings of active articulated connection of rotary shaft pin shaft 42 in through-hole
Folded block, rotary shaft pin shaft 42 play rotation connection function；Second folded piece 43 among folding axis 47 and with 41 liang of the first folded piece
There is a tapped through-hole cylindrical structure in a both ends in corresponding position between auricle, the big portion of the thread parameter at hole both ends it is identical but
It is oppositely oriented, thick multi-diameter shaft between respectively having the both ends detail with interior regular hexagon through-hole with the hole both ends screw thread place of matching,
The external screw thread that the hole thicker column part Che Youyu screw thread matches among two multi-diameter shaft, the thinner column part in multi-diameter shaft both ends
Diameter is less than internal screw thread path, and multi-diameter shaft outer end body diameter is equal with the auricle bore dia of corresponding position on the first folded piece 41,
Connection locking is carried out in order to insert in the hole when its stretching；There is a regular hexagon pin 45 phase therewith in two multi-diameter shaft hexagonal holes
Cooperation, 45 right end of regular hexagon pin have a radial small sircle hole, and also there is an an equal amount of radial direction in right 44 corresponding position of multi-diameter shaft
Circular hole has a roundlet pin 46 in circular hole, and roundlet pin 46 is fixed together regular hexagon pin 45 and right multi-diameter shaft 44, right rank
There are a shallow slots for terraced 44 outer end of axis, facilitate insertion into regular hexagon spanner with matching and carry out rotation process；Regular hexagon pin
45 length are less than 42 width of the second folded piece, and when two multi-diameter shafts are in outermost end latched position, regular hexagon pin 45 still has portion
Point length be in left multi-diameter shaft 48 positive six it is lateral opening in, prevent cisco unity malfunction due to it is detached from left multi-diameter shaft 48；Open and close axis 47
Opening or locking effect are played, is driven by the rotation of regular hexagon spanner and is rotated with right multi-diameter shaft 44, to make right multi-diameter shaft 44
Precession or back-out in threaded hole, while driving left multi-diameter shaft 48 to be rotated backward by regular hexagon pin 45, similarly exist
Precession or back-out in its threaded hole, two multi-diameter shaft outer end roundlet post parts enter or exit the first folded piece 41 with matching
On folding axis 47 at auricle hole to be engaged or be separated have the function that two folded pieces are locked and separated；
Because this full formula cycle frame of symmetrical fold containing formula between front frame, between Rear frame, leading 1 and front fork 3 between and after
It is fitted with this fold mechanism 2 between vehicle frame and rear fork 10, and between 7 bodies of connection, so this full formula of symmetrical fold containing formula is certainly
Folding, unlatching and the locking of driving vehicle frame are convenient and reliable.
Referring to Figure 19, faucet 1 is formed by Level handle and perpendicular to the handle of Level handle is vertical, and Level handle is by left handle
51, right handle 56, handle base 53, long flat axis 54 and left handle pin shaft 52, right handle pin shaft 55 composition；Handle base 53 is mounted on handle
Vertical upper end, handle base 53 are in Qian shape groove-like structure, and the jagged structure in Qian shape trench bottom both ends can make left handle 51, right handle 56
It is smoothly in vertical position when folding；There are hole in 53 left and right ends of handle base respectively, there is left handle pin shaft 52, right in two holes respectively
Hand pin shaft 55, left handle pin shaft 52 are fixed on the left side of handle base 53, left handle left handle 51 is active by left handle pin shaft hole
51 can carry out 90 degree of rotations around left handle pin shaft 52, complete the horizontal conversion for arriving plumbness, and right handle pin shaft 55 passes through the right side
Handle pin shaft hole is fixed on the right side of handle base 53 right handle 56 is active, and right handle 56 can carry out 90 degree around right handle pin shaft 55
Rotation completes the horizontal conversion for arriving plumbness, before 51 right end structure of left handle, 56 left end structure of right handle are answered at the flat axis of length
After be staggered, collision when avoiding combining has hole before and after the intermediate position of handle base 53, there is long flat axis 54 in hole, and long flat 54 both ends of axis are protected
Hold cylinder it is constant it is active be supported on before and after the intermediate position of handle base 53 in circular hole, long flat axis 54 can carry out 90 degree of rotary limiteds, long
The intermediate position two sides of flat axis 54 symmetrically prune a part and form flat axis, and 51 right end of left handle and 56 left end of right handle have band to lack downward
The circular hole of mouth, Circularhole diameter are equal to long flat shaft diameter, and gap width is shaved the thickness of rear remainder, a left side slightly larger than long flat axis
During the steering horizontal position of upright position, long flat axis 54 enters handle 51 laterally through 51 right end circular hole notch of left handle
Kong Zhong, during the steering horizontal position of upright position, long flat axis 54 lacks right handle 56 laterally through right 56 left end circular hole of handle
Mouthful and in access aperture, the flat axis of this duration is rotated by 90 °, and can lock left and right handle makes them be in horizontal service position, grows flat axis
54, which reversely rotate 90 degree, to unlock, and left and right handle can return to vertical folded up position, which facilitates handle to fold and use.
In the description of the present invention, it is to be understood that, term " length ", "upper", "lower", "left", "right", " vertical ",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation ",
Terms such as " connected " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be with
It is mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of the connection of a component inside or two components, unless otherwise restricted clearly.For the common of this field
For technical staff, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
Claims (10)
1. a kind of full formula cycle frame of symmetrical fold containing formula, comprising: front frame, front fork, Rear frame, rear fork, faucet, vehicle seat,
Front vehicle wheel is mounted on front fork, and rear wheel is mounted on rear fork, and faucet is mounted on front frame front end, leading upper part and lower end
Part is connected in front frame position by separable structure, and vehicle seat is mounted on above Rear frame by separable structure, leading upper end
Part and vehicle seat are separable when folding, and are provided with connected body between front frame and Rear frame, it is leading between lower end and front fork and
The fold mechanism that can axially fold is provided between Rear frame and rear fork, it is characterised in that:
The front frame includes preceding front frame, front/rear frame, and being provided between preceding front frame and front/rear frame axially to fold
Fold mechanism, preceding front frame, front/rear frame and the front fork constitute a hollow preceding pied geometry after folding, in preceding cake
For accommodating front vehicle wheel, the Rear frame includes rear front frame, rear Rear frame, is also provided between rear front frame and rear Rear frame in portion
There is the fold mechanism that can axially fold, rear front frame, rear Rear frame and the rear fork constitute a hollow rear circle after folding
Cake structure, rear cake inside is for accommodating rear wheel.
2. a kind of full formula cycle frame of symmetrical fold containing formula as described in claim 1, it is characterised in that: the connected body is class
Box structure, connected body are directly an entirety front/rear frame and the connection of rear front frame.
3. a kind of full formula cycle frame of symmetrical fold containing formula as described in claim 1, it is characterised in that: the connected body or
It is the fold mechanism for capableing of side-foldable, for front/rear frame and rear front frame is active is bound up, the side-foldable
Fold mechanism in be provided with rotary shaft, the rotary shaft is used for the preceding cake receiving front vehicle wheel and accommodates the rear circle of rear wheel
Cake rotates 180 degree between each other, is formed laterally with circle foldable structure.
4. a kind of full formula cycle frame of symmetrical fold containing formula as described in claim 1, it is characterised in that: the connected body or
It is a hollow semi-cylindrical cake structure, the fold mechanism and front/rear frame that hollow semi-cylindrical cake structure front end passes through energy side-foldable
The active connection in rear end, hollow semi-cylindrical cake structure rear end are active by the fold mechanism of energy side-foldable and rear front frame front end
It connecing, the preceding cake for accommodating front vehicle wheel is fitted in hollow semi-cylindrical cake side with circle to rotation 180 degree around fold mechanism rotation shaft side,
Accommodating the rear cake of rear wheel, to rotation 180 degree, with circle, to be fitted in hollow semi-cylindrical cake another around another fold mechanism rotation shaft side
Side.
5. a kind of full formula cycle frame of symmetrical fold containing formula as described in claim 1, it is characterised in that: the connected body or
Be by the active preceding hollow semi-cylindrical cake structure and rear hollow semi-cylindrical cake structure being linked together of the fold mechanism that can axially fold,
Preceding hollow semi-cylindrical cake structure front end by can side-foldable fold mechanism with front/rear frame rear end is active couples, rear hollow semi-cylindrical
Cake structure rear end by can side-foldable fold mechanism with rear front frame front end is active couples, the preceding cake for accommodating front vehicle wheel encloses
It is fitted in preceding hollow semi-cylindrical cake side with circle to rotation 180 degree around fold mechanism rotation shaft side, the rear cake for accommodating rear wheel encloses
Rear hollow semi-cylindrical cake opposite side, preceding hollow semi-cylindrical cake are fitted in circle to rotation 180 degree around another fold mechanism rotation shaft side
The related preceding cake of structure is axial around the fold mechanism rotary shaft between preceding hollow semi-cylindrical cake structure and rear hollow semi-cylindrical cake structure
Rotation about 180 degree and rear hollow semi-cylindrical cake structure are combined into a hollow cake, and form three cakes and fold with circle.
6. a kind of full formula cycle frame of symmetrical fold containing formula as described in claim 1, it is characterised in that: the front frame packet
Include: front frame I, front frame II and front frame III, between the front fork and front frame I, between front frame I and front frame II, it is preceding
There is the active connection of the fold mechanism that can axially fold between vehicle frame II and front frame III；The Rear frame include: Rear frame I,
Rear frame II and Rear frame III, between the rear fork and Rear frame I, between Rear frame I and Rear frame II, Rear frame II and rear car
There is the active connection of the fold mechanism that can axially fold between frame III；Front frame I, front frame II, front frame III and front fork surround
The rotary shaft of respective fold mechanism constitutes a hollow preceding cake I after axially folding, the internal hollow structure formed can
Accommodate front vehicle wheel；Rear frame I, Rear frame II, Rear frame III and rear fork are axially folded around the rotary shaft of respective fold mechanism
A hollow rear cake I is constituted afterwards, and the internal hollow structure formed can accommodate rear wheel.
7. a kind of full formula cycle frame of symmetrical fold containing formula as described in claim 1, it is characterised in that: the front frame packet
Include: front frame A, front frame B, front frame C and front frame D, between the front fork and front frame A, front frame A and front frame B it
Between, between front frame B and front frame C, between front frame C and front frame D have the active connection of the fold mechanism that can axially fold；
The Rear frame includes Rear frame A, Rear frame B, Rear frame C and Rear frame D, between the rear fork and Rear frame A, Rear frame A
There is the folding machine that can axially fold between Rear frame B, between Rear frame B and Rear frame C, between Rear frame C and Rear frame D
The active connection of structure；Front frame A, front frame B, front frame C, front frame D and front fork surround the rotary shaft axis of respective fold mechanism
A hollow preceding cake A is constituted after to folding, the hollow structure formed inside preceding cake A can accommodate front vehicle wheel；Rear frame A,
Rear frame B, Rear frame C, Rear frame D and the rear fork composition one after the rotary shaft axial direction folding of respective fold mechanism are hollow
Rear cake A, the hollow structure formed inside rear cake A can accommodate rear wheel.
8. a kind of full formula cycle frame of symmetrical fold containing formula as described in claim 1, it is characterised in that: the front frame is with after
Vehicle frame is almost symmetry structure, front fork and rear fork almost symmetry, and folded hollow cake also forms almost symmetry structure.
9. a kind of full formula cycle frame of symmetrical fold containing formula as described in claim 1, it is characterised in that: the fold mechanism packet
It includes: the first folded piece, the second folded piece, rotary shaft and folding axis；First folded piece and the second folded piece are hinged by rotary shaft,
The axis of rotary shaft is parallel with the folding axis of axis；First folded piece respectively has a round auricle knot in rotary shaft and folding axis both ends
Structure has through-hole on auricle, and corresponding position has a band to the second folded piece among rotary shaft and between two auricle of the first folded piece
The cylindrical structure of through-hole, this cylindrical hole diameter and auricle through-hole diameter are equal in magnitude, there is the active hinge of rotary shaft pin shaft in through-hole
Two folded pieces are connect in succession, and rotary shaft plays rotation connection function；Second folded piece folding axis among and with two ear of the first folded piece
Corresponding position has a tapped through-hole cylindrical structure in a both ends between piece, and the big portion of the thread parameter at hole both ends is identical but rotation direction phase
Instead, multi-diameter shaft thick between respectively having the both ends detail with internal regular polygon through-hole is matched with hole both ends screw thread, in multi-diameter shaft
Between the external screw thread that matches of the hole thicker column part Che Youyu screw thread, the diameter of the thinner column part in multi-diameter shaft both ends is less than interior spiral shell
Line path, multi-diameter shaft outer end body diameter are equal with the auricle bore dia of corresponding position on the first folded piece；Two multi-diameter shafts are just polygon
It is cooperating therewith that a regular polygon pin is provided in shape hole, regular polygon pin right end is provided with a radial small sircle hole, right multi-diameter shaft
Corresponding position is also equipped with an an equal amount of radial small sircle hole, has a roundlet pin in small sircle hole, roundlet pin is just more
Side shape pin is fixed together with right multi-diameter shaft, and there are a shallow slots for multi-diameter shaft outer end portion；Regular polygon pin length is less than folded piece
Width, and be greater than two multi-diameter shafts and be in outermost end latched position Shi Qiyou partial-length and should be in the just polygon hole of left multi-diameter shaft；
It opens and closes axis and plays opening or locking effect, drive right multi-diameter shaft to rotate by the rotation of regular polygon spanner, so that right multi-diameter shaft be made to exist
Precession or back-out in threaded hole, while driving left multi-diameter shaft to be rotated backward by regular polygon pin, similarly in its screw thread
Precession or back-out in hole, two multi-diameter shaft outer end roundlet post parts enter or exit the folding on the first folded piece with matching
Axis auricle hole to be engaged or be separated has the function that two folded pieces are locked and separated.
10. a kind of full formula cycle frame of symmetrical fold containing formula as described in claim 1, it is characterised in that: the faucet includes:
Level handle and stood perpendicular to the handle of Level handle, the Level handle include: left handle, right handle, handle base, long flat axis and
Left handle pin shaft, right handle pin shaft；Level handle is mounted on vertical upper end, and handle base is in Qian shape slot structure, Qian shape trench bottom two
Jagged structure is held, left handle, right handle can be made smoothly in vertical position when folding；Handle base left and right ends are respectively arranged with
Hole, left handle pin shaft, right handle pin shaft are respectively arranged in two holes, and left handle pin shaft is living left handle by left handle pin shaft hole
Network is fixed on the left of handle base, can be carried out 90 degree of levels around left handle pin shaft and be rotated to plumbness, complete horizontal vertical angle
The conversion of degree, right handle pin shaft is fixed on the right side of handle base by right handle pin shaft hole right handle is active, around right handle pin
Axis can carry out 90 degree of levels and rotate to plumbness, complete the conversion of horizontal vertical angle, and left handle right end structure, right handle are left
End structure at the flat axis of length can front and back be staggered, be provided with hole before and after position among handle base, there is long flat axis, long flat axis both ends in hole
Cylinder constant active be supported among handle base before and after position is kept to be used to carry out 90 degree of rotary limiteds in circular hole, among long flat axis
Position two sides symmetrically prune a part and form flat axis, and there are the circular hole with downward notch, circular hole in left handle right end and right handle left end
Diameter is equal to long flat shaft diameter, and gap width is greater than the thickness that long flat axis is shaved rear remainder, and left handle is from upright position
During steering horizontal position, long flat axis is laterally through left handle right end circular hole notch and in access aperture, and right handle is from vertical position
During setting steering horizontal position, long flat axis is laterally through right handle left end circular hole notch and in access aperture, when the flat axis rotation of length
At 90 degree, that is, locking left and right handle makes them be in horizontal service position, unlocks when the flat axis of length reversely rotates 90 degree.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811214083 | 2018-10-18 | ||
| CN2018112140839 | 2018-10-18 |
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| CN110294061A true CN110294061A (en) | 2019-10-01 |
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|---|---|---|---|
| CN201910404802.1A Pending CN110294061A (en) | 2018-10-18 | 2019-05-16 | A kind of full formula cycle frame of symmetrical fold containing formula |
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