CN108791667A - The child's tricycle easily adjusted is ridden wheel - Google Patents
The child's tricycle easily adjusted is ridden wheel Download PDFInfo
- Publication number
- CN108791667A CN108791667A CN201810671846.6A CN201810671846A CN108791667A CN 108791667 A CN108791667 A CN 108791667A CN 201810671846 A CN201810671846 A CN 201810671846A CN 108791667 A CN108791667 A CN 108791667A
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- CN
- China
- Prior art keywords
- driving
- plunger
- adjusting
- disk
- pair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M1/00—Rider propulsion of wheeled vehicles
- B62M1/36—Rider propulsion of wheeled vehicles with rotary cranks, e.g. with pedal cranks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
- B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
- B62M11/06—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with spur gear wheels
Abstract
It rides wheel the invention discloses a kind of child's tricycle easily adjusted, including：One rear cover；One protecgulum；One transmission ring, the transmission ring are removably disposed in the rear cover；One drive substrate, the drive substrate are arranged in the transmission ring；One adjusts disk, and the adjusting disk is between the drive substrate and the protecgulum；One adjusting part, the adjusting part are rotatably arranged in the driving spindle；A pair of pedals component, the pedal assembly are located at the both ends of the driving spindle；Wherein, the adjusting part includes an adjusting beam barrel, a pair of of plunger and a compression spring；Wherein, the plunger is between an extended position and a retraction position.It can be suitble to the child of different age group with the ride mode of unrestricted choice tricycle due to the use of person, it is safe.
Description
Technical field
The present invention relates to a kind of child's tricycle, more precisely, being that a kind of child's tricycle easily adjusted is ridden wheel.
Background technology
Existing child's tricycle mostly just only has a kind of ride mode, and safety row is not good enough.In addition, also there is a kind of band
The tricycle of push rod, when parent carries out, pedal rotates therewith, and is easy to reach the foot of child, damage.
Invention content
The present invention is mainly the technical problem solved present in the prior art, to provide the children that a kind of band adjusts structure soon
Tricycle is ridden wheel.
The above-mentioned technical problem of the present invention is mainly to be addressed by following technical proposals：
It rides wheel the invention discloses a kind of child's tricycle easily adjusted, including：
One circular rear cover；
One circular protecgulum, the protecgulum are removably connected with the rear cover；
One transmission ring, the transmission ring are removably disposed in the rear cover；
One drive substrate, the drive substrate are arranged in the transmission ring, and the drive substrate includes a drive
The circumferential direction of dynamic main shaft, the driving spindle is equipped with several guiding notches being radially arranged, and the guiding notch is interior respectively
Equipped with a slidable driving arm；
One adjusts disk, and the adjusting disk is between the drive substrate and the protecgulum, the tune
Pitch circle disk is equipped with the perforative guiding arc slot of several arcs, and the guiding arc slot is matched with the driving arm；
One adjusting part, the adjusting part are rotatably arranged in the driving spindle；
A pair of pedals component, the pedal assembly are located at the both ends of the driving spindle；
Wherein, the adjusting part includes an adjusting beam barrel, a pair of of plunger and a compression spring；
Wherein, the plunger is between an extended position and a retraction position, stretches out position when the plunger is in
When setting, the adjusting part locks the adjusting disk, when the plunger is in retraction position, the adjusting
Component discharges the adjusting disk；
Wherein, the adjusting disk is between a neutral, a deceleration position and a full speed position,
When the adjusting disk is in neutral, the driving arm is retracted in the guiding notch,
When the adjusting disk is in deceleration position, the driving arm slides in and out along guiding notch, institute
The driving arm stated locks the transmission ring, and the transmission ring drives the rear cover to carry out rotation and rear cover in the same direction
Rotating speed be less than the transmission ring rotating speed,
When the adjusting disk is in full speed position, the driving arm along guiding notch continue to
Outer sliding, the driving arm lock the transmission ring and rear cover.
It rides wheel the invention discloses a kind of child's tricycle easily adjusted, including：
One circular rear cover, the rear cover include the ring gear of an annular, are set in the inner wall circumferential direction of the ring gear
Have several internal tooth heads, the center of the rear cover is equipped with a rear cover axis hole, the inner circumferential of the ring gear be equipped with one by
The first fixed gear shaft array, second fixed gear shaft being made of the second fixed gear shaft for first fixed gear shaft composition
Array and the swing arm array axis that is made of arm shaft are respectively equipped with one first driving cog on first fixed gear shaft
Wheel, is respectively equipped with one second transmission gear on second fixed gear shaft, second transmission gear and described the
One transmission gear is meshed, and a dismountable swing arm unit is respectively equipped on the arm shaft, and the swing arm unit includes
One swing arm main body, a swing arm nut, a swing arm cam and a swing arm torsional spring, the swing arm main body include a cylindric swing arm
The side wall of cylinder, the swing arm cylinder is equipped with a cylinder convex block, and the outer wall of the cylinder convex block is equipped with a pair of parallel
The cylinder flange of setting is respectively equipped with a flange hole on the cylinder flange, and the both sides of the swing arm cam are set respectively
There are a convex block spindle nose, the convex block spindle nose to run through the flange hole, the bottom of the cylinder convex block is equipped with a torsional spring
Fixture block, the torsional spring fixture block are equipped with a fixture block circular hole, and the fixture block circular hole is run through in one end of the swing arm torsional spring；
One circular protecgulum, the protecgulum are removably connected with the rear cover, and the center of the protecgulum is set
There are a protecgulum axis hole, the circumferential direction of the protecgulum axis hole to be equipped with one first cue mark, one second cue mark and a third
Cue mark；
One transmission ring, the transmission ring are removably disposed in the rear cover, and the transmission ring includes a ring
The outer wall circumferential direction of the external toothing of shape, the external toothing is equipped with several external tooth heads, is set in the inner wall circumferential direction of the external toothing
There are several guiding strips being radially arranged, the bottom of the external toothing to be equipped with the limited location snap ring of a pair of of annular, the limit
A limited ring groove is constituted between snap ring, the limited ring groove is matched with the swing arm cam of the swing arm unit, described
External tooth head is meshed with first transmission gear, and the internal tooth head is meshed with second transmission gear；
One drive substrate, the drive substrate are arranged in the transmission ring, and the drive substrate includes a drive
Dynamic main shaft, the driving spindle are equipped with main shaft keyway and spindle thread, and the outer end of the spindle thread is equipped with a main shaft
The circumferential direction of polished rod, the driving spindle is equipped with five guiding horizontal stripes to extend outward, is equipped on the guiding horizontal stripe
One guides notch, and a slidable driving arm is respectively equipped in the guiding notch, and the driving arm includes a length
The driving horizontal stripe of strip, the both sides of the driving horizontal stripe are respectively equipped with a pair of of driving guide rail, the driving guide rail with it is described
Guiding notch match, the tail portion of the described driving horizontal stripe is equipped with a rod-shaped adjusting rod, is set at the top of the adjusting rod
There are a limited cap, the head of the driving horizontal stripe to be equipped with the first locking protrusion of a pair of of wedge shape, first locking protrudes
Between be equipped with the guiding clip slot of a strip, the front of the described driving horizontal stripe is equipped with the engagement item of " L " font, and described nibbles
The head for closing item is equipped with the second locking protrusion of a pair of of wedge shape；
One adjusts disk, and the adjusting disk is between the drive substrate and the protecgulum, the tune
The center of pitch circle disk is equipped with a fluted disc circular hole, and the driving spindle runs through the fluted disc circular hole, the fluted disc circular hole
Circumferential direction is equipped with a cylindric positioning tube, and the top of the positioning tube is equipped with a pair of of limited bayonet, the adjusting disk
On set perforative guiding arc slot there are five arc, the guiding arc slot is arranged in the circumferential direction of the fluted disc circular hole, institute
The guiding arc slot stated is matched with the adjusting rod；
One adjusting part, the adjusting part are rotatably arranged in the driving spindle；
A pair of pedals component, the pedal assembly are located at the both ends of the driving spindle, the pedal group
Part includes a pedal crankshaft and a pedal, and the end of the pedal crankshaft is equipped with bent axle screw thread；
Wherein, the adjusting part includes an adjusting beam barrel, a pair of of plunger and a compression spring, the driving spindle
Through the adjusting beam barrel, the upper shell for adjusting lower shell and a cylindrical shape that beam barrel includes a cylindrical shape is described
Lower shell in be equipped with lower cylinder screw thread, the spring that an annular is equipped in the lower shell fixes annular groove, the compression spring
It is arranged and is fixed in annular groove in the spring, the side wall of the upper shell is equipped with anti-skid chequer, the bottom of the upper shell
Equipped with a pair of of grafting screw hole, the plunger runs through the grafting screw hole, and the plunger includes a cylindric plunger bushing
Cylinder, the plunger guide bush interior plunger snap ring, a plunger spring and a columnar chock plug equipped with a plunger driving lever, an annular,
The outer wall of the plunger guide bush is equipped with outer sleeve screw thread, and the inner wall of the plunger guide bush is equipped with inner sleeve screw thread and one
Driving lever bayonet, the plunger driving lever include the driving lever elbow and a driving lever screw head of " L " font, the plunger snap ring it is outer
Wall is equipped with a snap ring screw thread, and the snap ring screw thread is matched with the inner sleeve screw thread, and the chock plug includes a column
The limit cylinder of shape, the limited post body is interior to be equipped with a chock plug screw thread, the chock plug screw thread and the driving lever screw head phase
Cooperation；
Wherein, the adjusting disk is between a neutral, a deceleration position and a full speed position,
When the adjusting disk is in neutral, the driving arm is retracted in the guiding notch,
When the adjusting disk is in deceleration position, the driving arm slides in and out along guiding notch, institute
First locking of the driving arm stated, which protrudes, is caught in the guiding strip,
When the adjusting disk is in full speed position, the driving arm continues sliding outward along guiding notch
Dynamic, second locking, which protrudes, is caught in the internal tooth head.
As preferred embodiments of the present invention, the positioning tube of the described adjusting disk be equipped with a pair first assist bayonet and
A pair second assists bayonet.
The invention discloses it is a kind of for the child's tricycle that easily adjusts as the aforementioned ride wheel adjusting tool, packet
The head of operation horizontal stripe containing a strip, the operation horizontal stripe is equipped with the engaging column cap of a pair of of strip, the engaging
Arc slot is screwed equipped with one between column cap, the tail portion of the operation horizontal stripe is equipped with a rocking handle.
The invention discloses a kind of child's tricycle for easily adjusting as the aforementioned that is equipped with to ride the child's tricycle of wheel, packet
Containing a vehicle frame and a pair of rear wheels.
It rides the method that is adjusted of wheel to the child's tricycle easily adjusted as the aforementioned the invention discloses a kind of, including
Step：
1) beam barrel, will be adjusted counterclockwise to unscrew so that adjust disk unlock；
2) the plunger driving lever of plunger, is stirred, the chock plug of plunger driving lever downlink, plunger heads into corresponding limited bayonet；
3), rotation adjusts beam barrel so that the limited bayonet on positioning tube is directed toward the first cue mark or the second cue mark
Or third cue mark；
4) the plunger driving lever of plunger, is stirred again, and the chock plug of plunger driving lever uplink, plunger takes off from corresponding limited bayonet
From；
5) beam barrel, will be adjusted clockwise to screw so that adjust disk locking.
The child's tricycle wheel of riding of the present invention has the following advantages：It can riding with unrestricted choice tricycle due to the use of person
Row pattern is suitble to the child of different age group, safe.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is that the child's tricycle of the present invention is ridden the dimensional structure diagram of wheel；
Fig. 2 is that child's tricycle in Fig. 1 is ridden the stereochemical structure decomposing schematic representation of wheel；
Fig. 3 is the detail enlarged diagram of the a-quadrant in Fig. 2；
Fig. 4 is the detail enlarged diagram of the B area in Fig. 2；
Fig. 5 is that child's tricycle in Fig. 2 is ridden the further stereochemical structure decomposing schematic representation of wheel；
Fig. 6 is the detail enlarged diagram in the regions C in Fig. 5；
Fig. 7 be Fig. 5 in child's tricycle ride wheel transmission ring dimensional structure diagram；
Fig. 8 is sectional view of the transmission ring in Fig. 7 along line D-D；
Fig. 9 is the detail enlarged diagram in the regions E in Fig. 8；
Figure 10 is that child's tricycle in Fig. 5 is ridden the further stereochemical structure decomposing schematic representation of wheel；
Figure 11 is the detail enlarged diagram in the regions F in Figure 10；
Figure 12 is the stereochemical structure decomposing schematic representation of the swing arm unit in Figure 10；
Figure 13 is that child's tricycle in Fig. 5 is ridden the further stereochemical structure decomposing schematic representation of wheel；
Figure 14 is the detail enlarged diagram in the regions G in Figure 13；
Figure 15 is the detail enlarged diagram in the regions H in Figure 13；
Figure 16 be Fig. 2 in child's tricycle ride wheel adjusting beam barrel dimensional structure diagram；
Figure 17 be Figure 13 in child's tricycle ride wheel driving arm dimensional structure diagram；
Figure 18 be the present invention child's tricycle ride wheel use schematic diagram, at this point, adjust disk be in neutral；
Figure 19 is the detail enlarged diagram in the regions J1 in Figure 18；
Figure 20 is the detail enlarged diagram in the regions K1 in Figure 18；
Figure 21 be the present invention child's tricycle ride wheel use schematic diagram, at this point, adjust disk be in deceleration position；
Figure 22 is the detail enlarged diagram in the regions J2 in Figure 21；
Figure 23 is the detail enlarged diagram in the regions K2 in Figure 21；
Figure 24 be the present invention child's tricycle ride wheel use schematic diagram, at this point, adjust disk be in full speed position；
Figure 25 is the detail enlarged diagram in the regions J3 in Figure 24；
Figure 26 is the detail enlarged diagram in the regions K3 in Figure 24；
Figure 27 be the present invention child's tricycle ride wheel adjusting tool dimensional structure diagram；
Figure 28 be the present invention child's tricycle ride wheel second of embodiment dimensional structure diagram, at this time only
Only show part-structure；
Figure 29 is that child's tricycle in Figure 28 is ridden the stereochemical structure decomposing schematic representation of wheel；
Figure 30 is the detail enlarged diagram in the regions L in Figure 29；
Figure 31 be Figure 29 in child's tricycle ride wheel adjusting part stereochemical structure decomposing schematic representation；
Figure 32 is the dimensional structure diagram of the adjusting beam barrel of the adjusting part in Figure 31；
Figure 33 is the sectional view for adjusting beam barrel along M-M lines in Figure 32；
Figure 34 is the dimensional structure diagram of the adjusting inserted link of the adjusting part in Figure 31；
Figure 35 be the present invention child's tricycle ride wheel the third embodiment dimensional structure diagram, at this time only
Only show part-structure；
Figure 36 be Figure 35 in child's tricycle ride wheel adjusting part stereochemical structure decomposing schematic representation；
Figure 37 is the stereochemical structure decomposing schematic representation of the plunger of the adjusting part in Figure 36；
Figure 38 uses schematic diagram for the plunger in Figure 37, at this point, plunger is in stretching state；
Figure 39 uses schematic diagram for the plunger in Figure 37, at this point, plunger is in retracted state；
Figure 40 is that the ride stereochemical structure of another embodiment of adjusting disk of wheel of child's tricycle in Figure 35 is shown
It is intended to；
Figure 41 is the detail enlarged diagram of the n-quadrant in Figure 40.
Specific implementation mode
The preferred embodiment of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
As shown in Fig. 1 to Figure 16, it includes a circular rear cover 2 and a circular protecgulum 3 which, which rides and take turns 1,.
The protecgulum 3 is removably connected with the rear cover 2, can be connected by screw or be connected through a screw thread.The protecgulum 3 and rear cover
2 constitute a wheel body, and the rubber ring or air tyre of damping can be coated in the periphery of wheel body.
The rear cover 2 includes the ring gear 21 of an annular, and the inner wall circumferential direction of the ring gear 21 is equipped with several internal tooth heads 211,
The center of the rear cover 2 is equipped with a rear cover axis hole 22, and the inner circumferential of the ring gear 21 is equipped with one by the first fixed gear shaft 23
First fixed gear shaft array of composition, a second fixed gear shaft array and one being made of the second fixed gear shaft 24 is by putting
The swing arm array axis that arm axle 25 forms is respectively equipped with one first transmission gear 5 on first fixed gear shaft 23, this second is fixed
One second transmission gear 6 is respectively equipped on gear shaft 24, which is meshed with first transmission gear 5, the pendulum
A dismountable swing arm unit 7 is respectively equipped on arm axle 25, as shown in figure 12, which includes a swing arm main body 71, one
Swing arm nut 72, a swing arm cam 73 and a swing arm torsional spring 74, the swing arm main body 71 include a cylindric swing arm cylinder 711,
The side wall of the swing arm cylinder 711 is equipped with a cylinder convex block 712, and the outer wall of the cylinder convex block 712 is equipped with a pair of parallel setting
Cylinder flange 713, be respectively equipped with a flange hole 714 on the cylinder flange 713, the both sides of the swing arm cam 73 are respectively equipped with
One convex block spindle nose 731, the convex block spindle nose 731 run through the flange hole 714, and the bottom of the cylinder convex block 712 is equipped with a torsional spring card
Block 715, the torsional spring fixture block 715 are equipped with a fixture block circular hole 716, and the fixture block circular hole 716, pendulum are run through in one end of the swing arm torsional spring 74
The effect of arm torsional spring 74 is compressing swing arm main body 71 so that swing arm main body 71 has the trend inwardly rotated.
The protecgulum 3 is removably connected with the rear cover 2, and the center of the protecgulum 3 is equipped with a protecgulum axis hole 31, the protecgulum axis
The circumferential direction in hole 31 is equipped with one first cue mark 32, one second cue mark 33 and a third cue mark 34, corresponds to respectively
Alphabetical " A ", " B " and " C ".The effect of these cue marks can be hereinafter further described.
One transmission ring 4 is removably disposed in rear cover 2, which includes the external toothing 41 of an annular, the external tooth
The outer wall circumferential direction of circle 41 is equipped with several external tooth heads 411, the inner wall circumferential direction of the external toothing 41 be equipped with it is several be radially arranged draw
Strip 412 is led, the bottom of the external toothing 41 is equipped with the limited location snap ring 42 of a pair of of annular, and a limit is constituted between the limited location snap ring 42
Annular groove 421, the limited ring groove 421 are matched with the swing arm cam 73 of the swing arm unit 7, the external tooth head 411 and first transmission
Gear 5 is meshed, which is meshed with second transmission gear 6.
One drive substrate 8 is arranged in the transmission ring 4, which includes a driving spindle 81, the driving spindle 81
It is equipped with main shaft keyway 82 and spindle thread 811, the circumferential direction of the driving spindle 81 is equipped with five guiding horizontal stripes to extend outward
83, a guiding notch 84 is equipped on the guiding horizontal stripe 83, and a slidable driving arm is respectively equipped in the guiding notch 84
12, as shown in figure 17, which includes the driving horizontal stripe 121 of a strip, and the both sides of the driving horizontal stripe 121 are set respectively
There are a pair of of driving guide rail 1211, the driving guide rail 1211 to be matched with the guiding notch 84, the tail portion of the driving horizontal stripe 121 is equipped with
The top of one rod-shaped adjusting rod 122, the adjusting rod 122 is equipped with a limited cap 123, and the head of the driving horizontal stripe 121 is equipped with one
124 are protruded to the first locking of wedge shape, which protrudes the guiding clip slot 125 that a strip is equipped between 124, the driving
The front of horizontal stripe 121 is equipped with the engagement item 126 of " L " font, and the head of the engagement item 126 is equipped with the second locking of a pair of of wedge shape
Prominent 127.
One adjusting disk 9 is located between the drive substrate 8 and the protecgulum 3, and the center of the adjusting disk 9 is justified equipped with a fluted disc
Hole 91, the driving spindle 81 run through the fluted disc circular hole 91, and the circumferential direction of the fluted disc circular hole 91 is equipped with a cylindric positioning tube 92,
The top of the positioning tube 92 is equipped with a pair of of limited bayonet 921, and the perforative guiding arc slot there are five arc is set on the adjusting disk 9
93, which is arranged in the circumferential direction of the fluted disc circular hole 91, which matches with the adjusting rod 122.
It is equipped with one in 81 outer end of driving spindle and adjusts beam barrel 10, the driving spindle 81 is through adjusting beam barrel 10, the adjustment axis
Cylinder 10 includes a cylindric lower shell 101 and a cylindric upper shell 102, and lower cylinder screw thread is equipped in the lower shell 101
103, the side wall of the upper shell 102 is equipped with anti-skid chequer 104.
It is respectively equipped with a pedal assembly 4T at the both ends of driving spindle 81, pedal assembly 4T includes a pedal crankshaft 4T1
It is equipped with keyway and bent axle screw thread 4T3 with the end of a pedal 4T2, pedal crankshaft 4T1, facilitates different crankshaft installed modes.
It also is provided with corresponding keyway at the both ends of driving spindle 81, facilitates and is attached using spline.
Wherein, which is between a neutral, a deceleration position and a full speed position,
When the adjusting disk 9 is in neutral, which is retracted in the guiding notch 84；When the adjusting
When disk 9 is in deceleration position, which slides in and out along guiding notch 84, the first locking of the driving arm 12
Prominent 124 are caught in the guiding strip 412；When the adjusting disk 9 is in full speed position, the driving arm 12 is along guiding notch
84 continue to slide out, which protrudes 127 and be caught in the internal tooth head 211.Hereinafter will further it be illustrated.
The ride occupation mode of wheel of the child's tricycle is illustrated below.
As shown in Figure 18 to Figure 20, user rotates the positioning tube 92 for adjusting disk 9 so that the positioning card on positioning tube 92
Mouth 921 is directed toward the first cue marks 32, and the adjusting rod 122 of driving arm 12 is located at the inner terminal for being oriented to arc slot 93, driving arm
12 are retracted in guiding notch 84, are not caught in guiding strip 412 at this point, the first locking protrudes 124, the second locking protrudes
127 are not caught in internal tooth head 211 yet.At this point, child's foot pedal 4T2 is forward, guiding is detached from since the first locking protrudes 124
Strip 412, the second locking protrude 127 and are detached from internal tooth head 211, so, drive substrate 8, adjusting beam barrel 10 are synchronous with disk 9 is adjusted
Idle running, this when, child's tricycle can not move ahead, and parent can also freely carry out tricycle, and pedal 4T2 will not get to child
Foot.
As shown in Figure 21 to Figure 23, user continues the positioning tube 92 that rotation adjusts disk 9 so that determines on positioning tube 92
Position bayonet 921 is directed toward the second cue mark 33, and the adjusting rod 122 of driving arm 12 slides into the middle part for being oriented to arc slot 93, driving
Holder 12 slides in and out along guiding notch 84, is caught in guiding strip 412 until the first locking protrudes 124, and the second locking
Prominent 127 are not caught in internal tooth head 211 yet.At this point, child's foot pedal 4T2 is forward, guiding is caught in since the first locking protrudes 124
In strip 412, and the second locking protrudes 127 and is still detached from internal tooth head 211, so, drive substrate 8 adjusts beam barrel 10, adjusts disk
9 and transmission ring 4 rotate synchronously, the rotation of transmission ring 4 will drive the first transmission gear 5 and the second transmission gear 6, then power
It is transmitted to the ring gear 21 of rear cover 2, then, entire rear cover 2 rotates forward together with protecgulum 3.When the anti-pedal 4T2 of child to
When afterwards, entire rear cover 2 can also rotate backward together with protecgulum 3.It is driven by adjusting the external toothing 41, first of transmission ring 4
The transmission parameter, such as diameter, the number of teeth etc. of gear 5 and the second transmission gear 6, to obtain ideal reduction ratio, general 0.5-
0.6 is proper.
As shown in Figure 24 to Figure 26, user continues the positioning tube 92 that rotation adjusts disk 9 so that determines on positioning tube 92
Position bayonet 921 is directed toward third cue mark 34, and the adjusting rod 122 of driving arm 12 slides into the outermost end for being oriented to arc slot 93, drives
Dynamic holder 12 is continued to slide out along guiding notch 84, is caught in internal tooth head 211 until the second locking protrudes 127, at this point, the
One locking protrudes 124 and is still stuck in guiding strip 412.At this point, child's foot pedal 4T2 is forward, since the second locking protrudes 127
It is caught in internal tooth head 211 and the first locking protrudes 124 and is still stuck in guiding strip 412, so, drive substrate 8 adjusts beam barrel
10, it adjusts disk 9, transmission ring 4 and rear cover 2 to rotate synchronously, at this time the ride mode of as common child's tricycle, and complete
Fast mode.
No matter which kind of ride mode in user's three of the above, finally must will all adjust beam barrel 10 and screw so that adjust
Pitch circle disk 9 and the relative position of drive substrate 8 are locked.When reselecting ride mode every time, it is necessary to unscrew adjustment axis in advance
Cylinder 10.
How lower mask body introduction, which rotates, adjusts disk 9 and how using adjusting beam barrel 10.First, user utilizes hand
Portion pinches the upper shell 102 for adjusting beam barrel 10, and then rotation is dynamic counterclockwise adjusts beam barrel 10 so that adjusts the lower cylinder spiral shell of beam barrel 10
Line 103 and the spindle thread 811 of driving spindle 81 are detached from, and are unlocked at this point, adjusting disk 9.Then, user utilizes and changes
The vertex of a cone lives to adjust the limited bayonet 921 on disk 9, and rotates screwdriver and limited bayonet 921 is made to be directed toward the ride mode institute needed
Corresponding cue mark.Finally, it rotates clockwise and adjusts beam barrel 10, led with driving using the lower cylinder screw thread 103 for adjusting beam barrel 10
The cooperation of the spindle thread 811 of axis 81 will adjust beam barrel 10 and screw.At this point, adjusting the relative position of disk 9 and drive substrate 8
It is locked, it is locked to adjust disk 9.It when needing to adjust other ride modes, unscrews adjust beam barrel 10 again, repeat above-mentioned mistake
Journey.
It is described below and how to use the swing arm unit 7.When installing transmission ring 4, first swing arm unit 7 is pushed aside outward, so
Transmission ring 4 is put into rear cover 2 afterwards, and the external toothing 41 of transmission ring 4 is meshed with each first transmission gear 5.Most
Afterwards, swing arm unit 7 is discharged, under the action of swing arm torsional spring 74 so that swing arm main body 71 has inwardly rotation, swing arm cam 73 tight
Press limited ring groove 421.In the rotation process of transmission ring 4, swing arm cam 73 presses limited ring groove 421 always, and stability of rotation can
It leans on.
As shown in figure 27, user can also using the tool 13 in figure come exchange the limited bayonet 921 on pitch circle disk 9 into
Row operation, the tool 13 include the operation horizontal stripe 131 of a strip, and a pair of of strip is equipped on the head of operation horizontal stripe 131
Engage column cap 132, engages and equipped with one screw arc slot 133 between column cap 132, facilitate the operation of box spanner.In operation horizontal stripe 131
Tail portion be equipped with a rocking handle 134.In use, a pair of of engaging column cap 132 is directly snapped onto the limited bayonet adjusted on disk 9
In 921, then rotation crank 134 so that tool 13 rotates, until limited bayonet 921 is directed toward the cue mark needed.Most
Afterwards, beam barrel 10 will be adjusted manually to screw.
In addition, it is necessary to, it is noted that the quantity of the guiding horizontal stripe 83 of drive substrate 8 is not limited to 5, can also increase or
It reduces.Obviously, it is oriented to arc slot 93 accordingly and the quantity of driving arm 12 is consequently increased or reduces.
As shown in Figure 28 to Figure 34, second of embodiment of wheel of riding for child's tricycle of the invention.In driving base
The driving spindle 81A of plate 8A is equipped with spindle thread 811A, and the outer end of spindle thread 811A is equipped with a main shaft polished rod 812A.?
The outside for adjusting disk 9A is equipped with an adjusting part 10SA, and adjusting part 10SA is rotatably arranged on driving spindle 81A.
As shown in figure 31, adjusting part 10SA includes an adjusting beam barrel 10A, a pair of of adjusting inserted link 14A and a pressure bullet
Spring 11A.Adjusting beam barrel 10A includes a cylindric lower shell 101A and a cylindric upper shell 102A, the lower shell
Lower cylinder screw thread 103A is equipped in 101A, the spring that an annular is equipped in lower shell 101A fixes annular groove 106A, the compression spring
11A settings are fixed in the spring in annular groove 106A.It is internally provided with a positive stop lug boss 107A in lower shell 101A.The upper shell
The bottom of 102A is equipped with a pair of of grafting screw hole 105A, and adjusting inserted link 14A runs through grafting screw hole 105A, adjusting inserted link 14A
Including the top of a screw thread body of rod 141A, screw thread body of rod 141A be equipped with a sheet of inserted link plectrum 142A, convenient for users to
Finger manipulation.
It is specifically described below and how to use adjusting part 10SA.
First, user pinches the upper shell 102A for adjusting beam barrel 10A using hand, and then adjustment axis is moved in rotation counterclockwise
Cylinder 10A so that the spindle thread 811A for adjusting the lower cylinder screw thread 103A and driving spindle 81A of beam barrel 10A is detached from, and will be adjusted
Beam barrel 10A is slided on main shaft polished rod 812A, is unlocked at this point, adjusting disk 9A.Then, it rotates clockwise and adjusts inserted link 14A,
So that the head for adjusting inserted link 14A heads into the limited bayonet 921 on corresponding adjusting disk 9.Then, user is directly revolved manually
Modulation nodal axisn cylinder 10A so that limited bayonet 921 is directed toward the cue mark corresponding to the ride mode needed.Then, rotation counterclockwise
Modulation section inserted link 14A so that so that the head for adjusting inserted link 14A is deviate from from limited bayonet 921.Finally, tune is rotated clockwise
Nodal axisn cylinder 10A will be adjusted using the cooperation of the spindle thread 811A for the lower cylinder screw thread 103A and driving spindle 81A for adjusting beam barrel 10A
Nodal axisn cylinder 10A is screwed, meanwhile, compression spring 11A is compacted.At this point, adjusting the relative position quilt of disk 9A and drive substrate 8A
It is locked, it is locked to adjust disk 9A.It when needing to adjust other ride modes, unscrews adjust beam barrel 10A again, repeat above-mentioned mistake
Journey.
As shown in Figure 35 to Figure 39, the third embodiment for wheel of riding for child's tricycle of the invention.
As shown in figure 35, it only shows here and adjusts disk 9B, adjusting part 10SB and pedal assembly.The adjusting part
10SB includes an adjusting beam barrel 10B, a pair of plunger 15B and a compression spring 11B, and similarly, compression spring 11B settings are being adjusted
The spring of nodal axisn cylinder is fixed in annular groove, and a pair of of grafting screw hole 105B is equipped in the bottom of upper shell.Plunger 15B is arranged in grafting
In screw hole 105B.
As shown in figure 37, plunger 15B includes a cylindric plunger guide bush 154, and a column is equipped in the plunger guide bush 154
Plunger snap ring 152, a plunger spring 153 and the columnar chock plug 155 of 151, one annular of driving lever are filled in, the plunger guide bush 154
Outer wall is equipped with outer sleeve screw thread 1541, and the inner wall of the plunger guide bush 154 is equipped with inner sleeve screw thread 1543 and a driving lever bayonet
1542, which includes the driving lever elbow 1512 and a driving lever screw head 1511 of " L " font, the plunger snap ring 152
Outer wall is equipped with a snap ring screw thread 1521, which matches with the inner sleeve screw thread 1543, which includes
One columnar limit cylinder 1551, the limit cylinder 1551 is interior to be equipped with a chock plug screw thread 1552, the chock plug screw thread 1552 and this group
Bar screw head 1511 matches.
The application method of adjusting part 10SB is illustrated in detail below.
As shown in figure 38, when needing to adjust the operating position of disk 9B, it will first adjust beam barrel 10B and unscrew so that
Adjust disk 9B unlocks.Then, the plunger driving lever 151 of plunger 15B is stirred so that the driving lever elbow 1512 of plunger driving lever 151 blocks
Enter into driving lever bayonet 1542, under the action of plunger spring 153, the chock plug 155 of 151 downlink of plunger driving lever, plunger 15B heads into
In corresponding limited bayonet 921, at this point, plunger 15B is in stretching state.Then, user rotates as needed adjusts beam barrel
10B so that the limited bayonet 921 on positioning tube 92 is directed toward the first cue mark 32 or the second cue mark 33 or third indicateing arm
Note 34.Then, as shown in figure 39, the plunger driving lever 151 of plunger 15B, 151 uplink of plunger driving lever, by driving lever elbow are stirred again
1512 snap into the top of plunger guide bush 154 and rotate on the position for deviateing driving lever bayonet 1542, the chock plug 155 of plunger 15B from
It is detached from corresponding limited bayonet 921, plunger 15B is in retracted state at this time.Finally, beam barrel 10B will be adjusted clockwise to screw,
It is compacted so that adjusting disk 9B.
As shown in figure 40 to figure 41, it is the another embodiment for adjusting disk 9B in the present embodiment.At this point, positioning
On cylinder 92B other than limited bayonet 921B, it is additionally provided with a pair first and bayonet 922B and a pair second is assisted to assist bayonet 923B.
After adjusting disk 9B rotates to the position of needs, rotated on the operating position slowed down for example, adjusting disk 9B, user
It will adjust after beam barrel 10B screws, and the plunger driving lever 151 of plunger 15B can be stirred again so that 151 downlink of plunger driving lever, plunger
The chock plug 155 of 15B heads into the first auxiliary bayonet 922B, the loosening effectivelying prevent between screw-thread fit.Or adjust disk
9B has been rotated on the operating position of full speed, and the chock plug 155 of plunger 15B then heads into the second auxiliary bayonet 923B.
It can be suitble to the child of different age group with the ride mode of unrestricted choice tricycle due to the use of person, it is safe.
Not limited to this, any change or replacement expected without creative work should all cover the guarantor in the present invention
Within the scope of shield.Therefore, protection scope of the present invention should be determined by the scope of protection defined in the claims.
Claims (6)
- The wheel (1) 1. a kind of child's tricycle easily adjusted is ridden, including：One circular rear cover (2)；One circular protecgulum (3), the protecgulum (3) are removably connected with the rear cover (2)；One transmission ring (4), the transmission ring (4) are removably disposed in the rear cover (2)；One drive substrate (8,8A), the drive substrate (8,8A) are arranged in the transmission ring (4), the driving base Plate (8,8A) includes a driving spindle (81,81A), and the circumferential direction of the driving spindle (81,81A) is equipped with several radial settings Guiding notch (84), is respectively equipped with a slidable driving arm (12) in the guiding notch (84)；One adjusts disk (9,9B), and the adjusting disk (9,9B) is located at the drive substrate (8,8A) and the protecgulum (3) between, the adjusting disk (9,9B) is equipped with the perforative guiding arc slot (93) of several arcs, the guiding arc slot (93) it is matched with the driving arm (12)；One adjusting part (10SB), the adjusting part (10SB) are rotatably arranged in the driving spindle (81,81A) On；A pair of pedals component (4T), the pedal assembly (4T) are located at the both ends of the driving spindle (81,81A)；Wherein, the adjusting part (10SB) includes an adjusting beam barrel (10,10A, 10B), a pair of of plunger (15B) and a pressure Spring (11A, 11B)；Wherein, the plunger (15B) is between an extended position and a retraction position, when the plunger (15B) is in When extended position, the adjusting part (10SB) locks the adjusting disk (9,9B), at the plunger (15B) When retraction position, the adjusting part (10SB) discharges the adjusting disk (9,9B)；Wherein, the adjusting disk (9,9B) is between a neutral, a deceleration position and a full speed position,When the adjusting disk (9,9B) is in neutral, the driving arm (12) is retracted in the guiding groove In mouth (84),When the adjusting disk (9,9B) is in deceleration position, the driving arm (12) along guiding notch (84) to Outer sliding, the driving arm (12) lock the transmission ring (4), described in the transmission ring (4) drives in the same direction Rear cover (2) carry out rotation and rear cover (2) rotating speed be less than the transmission ring (4) rotating speed,When the adjusting disk (9,9B) is in full speed position, the driving arm (12) is along guiding notch (84) it continues to slide out, the driving arm (12) locks the transmission ring (4) and rear cover (2).
- The wheel (1) 2. a kind of child's tricycle easily adjusted is ridden, including：One circular rear cover (2), the rear cover (2) include one annular ring gear (21), the ring gear (21) it is interior Wall circumferential direction is equipped with several internal tooth heads (211), and the center of the rear cover (2) is equipped with a rear cover axis hole (22), the internal tooth The inner circumferential of circle (21) be equipped with one be made of the first fixed gear shaft (23) the first fixed gear shaft array, one by second The swing arm array axis that the second fixed gear shaft array and one that fixed gear shaft (24) forms are made of arm shaft (25), it is described It is respectively equipped with one first transmission gear (5) on first fixed gear shaft (23), distinguishes on second fixed gear shaft (24) Equipped with one second transmission gear (6), second transmission gear (6) is meshed with first transmission gear (5), described Arm shaft (25) on be respectively equipped with a dismountable swing arm unit (7), the swing arm unit (7) includes a swing arm main body (71), a swing arm nut (72), a swing arm cam (73) and a swing arm torsional spring (74), the swing arm main body (71) include a circle The side wall of the swing arm cylinder (711) of tubular, the swing arm cylinder (711) is equipped with a cylinder convex block (712), the cylinder The outer wall of convex block (712) is equipped with the cylinder flange (713) of a pair of parallel setting, is set respectively on the cylinder flange (713) There are a flange hole (714), the both sides of the swing arm cam (73) to be respectively equipped with a convex block spindle nose (731), the convex block Spindle nose (731) runs through the flange hole (714), and the bottom of the cylinder convex block (712) is equipped with a torsional spring fixture block (715), the torsional spring fixture block (715) is equipped with a fixture block circular hole (716), and institute is run through in one end of the swing arm torsional spring (74) The fixture block circular hole (716) stated；One circular protecgulum (3), the protecgulum (3) are removably connected with the rear cover (2), the protecgulum (3) Center be equipped with a protecgulum axis hole (31), the circumferential direction of the protecgulum axis hole (31) is equipped with one first cue mark (32), one Second cue mark (33) and a third cue mark (34)；One transmission ring (4), the transmission ring (4) are removably disposed in the rear cover (2), the transmission ring (4) Include the external toothing (41) of an annular, the outer wall circumferential direction of the external toothing (41) is equipped with several external tooth heads (411), described The inner wall circumferential direction of external toothing (41) is equipped with several guiding strips (412) being radially arranged, the bottom of the external toothing (41) Equipped with a pair of annular limited location snap ring (42), a limited ring groove (421), the limit are constituted between the limited location snap ring (42) Position annular groove (421) is matched with the swing arm cam (73) of the swing arm unit (7), the external tooth head (411) and described First transmission gear (5) is meshed, and the internal tooth head (211) is meshed with second transmission gear (6)；One drive substrate (8,8A), the drive substrate (8,8A) are arranged in the transmission ring (4), the driving base Plate (8,8A) includes a driving spindle (81,81A), and the driving spindle (81,81A) is equipped with main shaft keyway (82) and main shaft The outer end of screw thread (811,811A), the spindle thread (811,811A) is equipped with a main shaft polished rod (812A), the driving The circumferential direction of main shaft (81,81A) is equipped with five guiding horizontal stripes (83) to extend outward, is equipped on the guiding horizontal stripe (83) One guiding notch (84), the guiding notch (84) is interior to be respectively equipped with a slidable driving arm (12), the driving Holder (12) includes the driving horizontal stripe (121) of a strip, and the both sides of the driving horizontal stripe (121) are respectively equipped with a pair of of driving Guide rail (1211), the driving guide rail (1211) are matched with the guiding notch (84), the driving horizontal stripe (121) Tail portion be equipped with a rod-shaped adjusting rod (122), the top of the adjusting rod (122) is equipped with a limited cap (123), described Drive the first locking that the head of horizontal stripe (121) is equipped with a pair of of wedge shape to protrude (124), first locking protrude (124) it Between be equipped with the guiding clip slot (125) of a strip, the front of the driving horizontal stripe (121) is equipped with the engagement item of " L " font (126), the head of the engagement item (126) is equipped with the second locking protrusion (127) of a pair of of wedge shape；One adjusts disk (9,9B), and the adjusting disk (9,9B) is located at the drive substrate (8,8A) and the protecgulum (3) between, the center of the adjusting disk (9,9B) is equipped with a fluted disc circular hole (91), and the driving spindle (81,81A) is passed through The fluted disc circular hole (91) is worn, the circumferential direction of the fluted disc circular hole (91) is equipped with a cylindric positioning tube (92,92B), The top of the positioning tube (92,92B) is equipped with a pair of of limited bayonet (921), and the adjusting disk (9,9B) is equipped with five The circumferential direction in the fluted disc circular hole (91) is arranged in the perforative guiding arc slot (93) of a arc, the guiding arc slot (93) On, the guiding arc slot (93) is matched with the adjusting rod (122)；One adjusting part (10SB), the adjusting part (10SB) are rotatably arranged in the driving spindle (81,81A) On；A pair of pedals component (4T), the pedal assembly (4T) are located at the both ends of the driving spindle (81,81A), The pedal assembly (4T) includes a pedal crankshaft (4T1) and a pedal (4T2), the end of the pedal crankshaft (4T1) Equipped with bent axle screw thread (4T3)；Wherein, the adjusting part (10SB) includes an adjusting beam barrel (10,10A, 10B), a pair of of plunger (15B) and a pressure Spring (11A, 11B), the driving spindle (81,81A) run through the adjusting beam barrel (10,10A, 10B), the adjusting Beam barrel (10,10A, 10B) includes a cylindric lower shell (101,101A) and a cylindric upper shell (102,102A), institute It is equipped with lower cylinder screw thread (103,103A) in the lower shell (101,101A) stated, a ring is equipped in the lower shell (101,101A) The spring of shape fixes annular groove (106A), and the compression spring (11A, 11B) is arranged fixes annular groove (106A) in the spring Interior, the side wall of the upper shell (102,102A) is equipped with anti-skid chequer (104), the bottom of the upper shell (102,102A) Equipped with a pair of of grafting screw hole (105A, 105B), the plunger (15B) runs through the grafting screw hole (105A, 105B), described Plunger (15B) include a cylindric plunger guide bush (154), be equipped with a plunger driving lever in the plunger guide bush (154) (151), plunger snap ring (152), a plunger spring (153) and a columnar chock plug (155) for an annular, the plunger guide bush (154) outer wall is equipped with outer sleeve screw thread (1541), and the inner wall of the plunger guide bush (154) is equipped with inner sleeve screw thread (1543) and a driving lever bayonet (1542), the plunger driving lever (151) include the driving lever elbow (1512) and one of " L " font The outer wall of driving lever screw head (1511), the plunger snap ring (152) is equipped with a snap ring screw thread (1521), the snap ring screw thread (1521) it is matched with the inner sleeve screw thread (1543), the chock plug (155) includes a columnar limit cylinder (1551), be equipped with a chock plug screw thread (1552) in the limit cylinder (1551), the chock plug screw thread (1552) with it is described Driving lever screw head (1511) match；Wherein, the adjusting disk (9,9B) is between a neutral, a deceleration position and a full speed position,When the adjusting disk (9,9B) is in neutral, the driving arm (12) is retracted in the guiding groove In mouth (84),When the adjusting disk (9,9B) is in deceleration position, the driving arm (12) along guiding notch (84) to Outer sliding, the first locking of the driving arm (12) protrude (124) and are caught in the guiding strip (412),When the adjusting disk (9,9B) is in full speed position, the driving arm (12) along guiding notch (84) after Continuous to slide in and out, second locking protrudes (127) and is caught in the internal tooth head (211).
- The wheel 3. child's tricycle according to claim 2 easily adjusted is ridden, which is characterized in that the adjusting disk The positioning tube (92,92B) of (9,9B) is equipped with a pair first and bayonet (922B) and a pair second is assisted to assist bayonet (923B).
- The tool of the adjusting of wheel 4. a kind of child's tricycle for easily adjusting as claimed in claim 2 is ridden, including one The operation horizontal stripe (131) of strip, the head of the operation horizontal stripe (131) are equipped with the engaging column cap (132) of a pair of of strip, Arc slot (133) is screwed equipped with one between the engaging column cap (132), the tail portion of the operation horizontal stripe (131) is shaken equipped with one Handle (134).
- It the child's tricycle easily adjusted as claimed in claim 2 is installed rides the child's tricycle of wheel 5. a kind of, including one Vehicle frame and a pair of rear wheels.
- 6. a kind of riding the method that is adjusted of wheel to the child's tricycle easily adjusted as claimed in claim 2, including step：1) beam barrel (10,10A, 10B), will be adjusted counterclockwise to unscrew so that adjust disk (9,9B) and unlock；2) the plunger driving lever (151) of plunger (15B), plunger driving lever (151) downlink, chock plug (155) top of plunger (15B), are stirred Enter in corresponding limited bayonet (921)；3), rotation adjusts beam barrel (10,10A, 10B) so that the limited bayonet (921) on positioning tube (92,92B) is directed toward first and refers to (32) or the second cue mark (33) or third cue mark (34) are remembered in indicating；4) the plunger driving lever (151) of plunger (15B), plunger driving lever (151) uplink, the chock plug of plunger (15B), are stirred again (155) it is detached from from corresponding limited bayonet (921)；5) beam barrel (10,10A, 10B), will be adjusted clockwise to screw so that adjust disk (9,9B) and lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810671846.6A CN108791667A (en) | 2018-06-26 | 2018-06-26 | The child's tricycle easily adjusted is ridden wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810671846.6A CN108791667A (en) | 2018-06-26 | 2018-06-26 | The child's tricycle easily adjusted is ridden wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108791667A true CN108791667A (en) | 2018-11-13 |
Family
ID=64071905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810671846.6A Withdrawn CN108791667A (en) | 2018-06-26 | 2018-06-26 | The child's tricycle easily adjusted is ridden wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108791667A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08121566A (en) * | 1994-10-27 | 1996-05-14 | Masayuki Ikeda | Continuously variable transmission |
| CN2466040Y (en) * | 2001-01-18 | 2001-12-19 | 李佳达 | Automatic speed changing mechanism of bicycle |
| CN106335317A (en) * | 2016-10-13 | 2017-01-18 | 叶雨玲 | Safe front wheel of child's tricycle |
| CN106379476A (en) * | 2016-10-13 | 2017-02-08 | 叶雨玲 | Axial regulation type front wheel for children tricycle |
| CN107323600A (en) * | 2017-04-21 | 2017-11-07 | 叶雨玲 | The multistage safe front-wheel of child's tricycle |
-
2018
- 2018-06-26 CN CN201810671846.6A patent/CN108791667A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08121566A (en) * | 1994-10-27 | 1996-05-14 | Masayuki Ikeda | Continuously variable transmission |
| CN2466040Y (en) * | 2001-01-18 | 2001-12-19 | 李佳达 | Automatic speed changing mechanism of bicycle |
| CN106335317A (en) * | 2016-10-13 | 2017-01-18 | 叶雨玲 | Safe front wheel of child's tricycle |
| CN106379476A (en) * | 2016-10-13 | 2017-02-08 | 叶雨玲 | Axial regulation type front wheel for children tricycle |
| CN107323600A (en) * | 2017-04-21 | 2017-11-07 | 叶雨玲 | The multistage safe front-wheel of child's tricycle |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181113 |
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| WW01 | Invention patent application withdrawn after publication |