CN109018162A - Synchronous adjustment formula child's tricycle is ridden wheel - Google Patents

Synchronous adjustment formula child's tricycle is ridden wheel Download PDF

Info

Publication number
CN109018162A
CN109018162A CN201810671517.1A CN201810671517A CN109018162A CN 109018162 A CN109018162 A CN 109018162A CN 201810671517 A CN201810671517 A CN 201810671517A CN 109018162 A CN109018162 A CN 109018162A
Authority
CN
China
Prior art keywords
driving
adjusting
ring
pair
swing arm
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.)
Withdrawn
Application number
CN201810671517.1A
Other languages
Chinese (zh)
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201810671517.1A priority Critical patent/CN109018162A/en
Publication of CN109018162A publication Critical patent/CN109018162A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M1/00Rider propulsion of wheeled vehicles
    • B62M1/36Rider propulsion of wheeled vehicles with rotary cranks, e.g. with pedal cranks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M11/00Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
    • B62M11/04Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
    • B62M11/06Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with spur gear wheels

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Abstract

It rides wheel the invention discloses a kind of synchronous adjustment formula child's tricycle, includes: a rear cover;One front cover;One transmission ring, the transmission ring are removably disposed in the rear cover;One drive substrate;One adjusts disk, and the adjusting disk is between the drive substrate and the front cover;One adjusts component;A pair of pedals component;Wherein, the adjusting component includes a compression spring, an adjusting beam barrel, a pair of of latch spring, a pair of of regulating pin, a synchronizer and a circlip, the regulating pin is between an extended position and a retraction position, and the synchronizer synchronously drives the regulating pin to be on extended position or retraction position.It is highly-safe since user can be suitble to the child of different age group with the ride mode of unrestricted choice tricycle.

Description

Synchronous adjustment formula child's tricycle is ridden wheel
Technical field
The present invention relates to a kind of child's tricycle, more precisely, being that a kind of synchronous adjustment formula child's tricycle is ridden wheel.
Background technique
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 is rotated with it, and is easy to reach the foot of child, damage.
Summary of the invention
The present invention mainly solves technical problem present in the prior art, to provide a kind of synchronous adjustment formula children three Wheel vehicle is ridden wheel.
Above-mentioned technical problem of the invention is mainly to be addressed by following technical proposals:
It rides wheel the invention discloses a kind of synchronous adjustment formula child's tricycle, includes:
One circular rear cover;
One circular front cover, the front cover 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 Dynamic main shaft, the circumferential direction of the driving spindle are equipped with several guidance notches being arranged radially, difference in the guidance notch Equipped with a slidable driving arm;
One adjusts disk, and the adjusting disk is between the drive substrate and the front cover, 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 adjusts component, and the adjusting component is 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 component is slotting comprising a compression spring, an adjusting beam barrel, a pair of of latch spring, a pair of of adjusting Pin, a synchronizer and a circlip, the regulating pin are between an extended position and a retraction position, the synchronizer The regulating pin is synchronously driven to be on extended position or retraction position;
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 guidance notch,
When the adjusting disk is in deceleration position, the driving arm slides in and out along guidance 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 Revolving speed be less than the transmission ring revolving speed,
When the adjusting disk is in full speed position, the driving arm along guidance notch continue to Outer sliding, the driving arm lock the transmission ring and rear cover.
It rides wheel the invention discloses a kind of synchronous adjustment formula child's tricycle, includes:
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 Cylinder, the side wall of the swing arm cylinder are 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 two sides of the swing arm cam are set respectively There is a convex block spindle nose, the convex block spindle nose runs through the flange hole, and 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 front cover, the front cover are removably connected with the rear cover, and the center of the front cover is set There is a front cover axis hole, the circumferential direction of the front cover axis hole is 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 gear ring of shape, the outer wall circumferential direction of the outer gear ring are equipped with several external tooth heads, set in the inner wall circumferential direction of the outer gear ring There are several guidance strips being arranged radially, the bottom of the outer gear ring is 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 Polished rod, the circumferential direction of the driving spindle are equipped with five guidance horizontal stripes to extend outward, are equipped on the guidance horizontal stripe One guides notch, and a slidable driving arm is respectively equipped in the guidance notch, and the driving arm includes one long The driving horizontal stripe of strip, the two 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 Guidance notch match, the tail portion of the described driving horizontal stripe is equipped with a rod-shaped adjusting rod, sets at the top of the adjusting rod There is a limited cap, the first locking that the head of the driving horizontal stripe is equipped with a pair of of wedge shape is prominent, and first locking is prominent Between be equipped with the guidance 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 a pair of the second wedge-shaped locking and protrudes;
One adjusts disk, and the adjusting disk is between the drive substrate and the front cover, 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 adjusts component, and the adjusting component is 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 crankshaft screw thread;
Wherein, the adjusting component is slotting comprising a compression spring, an adjusting beam barrel, a pair of of latch spring, a pair of of adjusting Pin, a synchronizer and a circlip, the driving spindle run through the adjusting beam barrel, and the adjusting beam barrel includes a cylinder The lower shell of shape and a cylindric upper shell, the lower shell is interior to be equipped with lower cylinder screw thread, is equipped with one in the lower shell The fixed annular groove of the spring of annular, the compression spring are arranged in the fixed annular groove of the spring, the side of the upper shell Wall is equipped with anti-skid chequer, and the bottom of the upper shell is equipped with a pair of of grafting screw hole, and the bottom of the grafting screw hole is set respectively Have a grommet of " C " font, the regulating pin runs through the latch spring and grafting screw hole, the upper shell it is interior Wall is equipped with a circlip annular groove, and the circlip is arranged in the circlip annular groove, and the regulating pin includes one rod-shaped Fork and a columned bolt limited post, the top of the bolt limited post is equipped with a bolt bulb, and described is same Walking device includes an inner ring and an outer ring, and a pair of synchronous plectrum, the outer wall of the outer ring are equipped between the inner ring and outer rings It is equipped with the compression ring plate of an annular, the end face of the outer ring is equipped with the driving slope surface of a pair of of arc, the driving slope The end in face is respectively equipped with a slope surface groove;
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 guidance notch,
When the adjusting disk is in deceleration position, the driving arm slides in and out along guidance notch, institute First locking of the driving arm stated is prominent to be caught in the guidance strip,
When the adjusting disk is in full speed position, the driving arm continues sliding outward along guidance notch Dynamic, second locking is prominent to be caught in the internal tooth head.
The invention discloses it is a kind of for be adjusted in synchronism as the aforementioned formula child's tricycle ride wheel adjusting tool, The head of operation horizontal stripe comprising a strip, the operation horizontal stripe is equipped with the engaging column cap of a pair of of strip, the card It is equipped with one between zygostyle head and screws arc slot, the tail portion of the operation horizontal stripe is equipped with a rocking handle.
The invention discloses a kind of are equipped with to be adjusted in synchronism formula child's tricycle as the aforementioned and ride the child's tricycle of wheel, Include a vehicle frame and a pair of rear wheels.
It rides the method that wheel is adjusted the invention discloses a kind of to the as the aforementioned formula child's tricycle that is adjusted in synchronism, packet Containing step:
1) beam barrel, will be adjusted counterclockwise to unscrew, so that adjusting disk unlock;
2) synchronizer, is stirred clockwise, the driving slope surface of synchronizer oppresses the bolt bulb of the regulating pin simultaneously, Regulating pin DL synchronization, regulating pin are in stretching state;
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) synchronizer, is stirred counterclockwise, and under the action of latch spring, regulating pin uplink synchronization, regulating pin is in Retracted state;
5) beam barrel, will be adjusted clockwise to screw, so that adjusting disk locking.
Child's tricycle of the invention is ridden to take turns and be had the advantage that since user can riding with unrestricted choice tricycle Row mode is suitble to the child of different age group, highly-safe.
Detailed description of the invention
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 technical 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 It obtains other drawings based on these drawings.
Fig. 1 is that child's tricycle of the invention is ridden the schematic perspective view 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 region C in Fig. 5;
Fig. 7 be Fig. 5 in child's tricycle ride wheel transmission ring schematic perspective view;
Fig. 8 is cross-sectional view of the transmission ring in Fig. 7 along line D-D;
Fig. 9 is the detail enlarged diagram in the region 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 region 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 region G in Figure 13;
Figure 15 is the detail enlarged diagram in the region H in Figure 13;
Figure 16 be Fig. 2 in child's tricycle ride wheel adjusting beam barrel schematic perspective view;
Figure 17 be Figure 13 in child's tricycle ride wheel driving arm schematic perspective view;
Figure 18 be child's tricycle of the invention ride wheel use schematic diagram, at this point, adjust disk be in neutral;
Figure 19 is the detail enlarged diagram in the region J1 in Figure 18;
Figure 20 is the detail enlarged diagram in the region K1 in Figure 18;
Figure 21 be child's tricycle of the invention ride wheel use schematic diagram, at this point, adjust disk be in deceleration position;
Figure 22 is the detail enlarged diagram in the region J2 in Figure 21;
Figure 23 is the detail enlarged diagram in the region K2 in Figure 21;
Figure 24 be child's tricycle of the invention ride wheel use schematic diagram, at this point, adjust disk be in full speed position;
Figure 25 is the detail enlarged diagram in the region J3 in Figure 24;
Figure 26 is the detail enlarged diagram in the region K3 in Figure 24;
Figure 27 be child's tricycle of the invention ride wheel adjusting tool schematic perspective view;
Figure 28 be child's tricycle of the invention ride wheel second of embodiment schematic perspective view, 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 region L in Figure 29;
Figure 31 be Figure 29 in child's tricycle ride wheel adjusting component stereochemical structure decomposing schematic representation;
Figure 32 is the schematic perspective view of the adjusting beam barrel of the adjusting component in Figure 31;
Figure 33 is to adjust beam barrel along the cross-sectional view of M-M line in Figure 32;
Figure 34 is the schematic perspective view of the adjusting inserted link of the adjusting component in Figure 31;
Figure 35 be child's tricycle of the invention ride wheel the third embodiment schematic perspective view, at this time Only show adjusting component;
Figure 36 is the stereochemical structure decomposing schematic representation of the adjusting component in Figure 35;
Figure 37 is the detail enlarged diagram of the n-quadrant in Figure 36;
Figure 38 is the schematic perspective view of the adjusting beam barrel of the adjusting component in Figure 36;
Figure 39 is to adjust beam barrel along the cross-sectional view of P-P line in Figure 38;
Figure 40 is the detail enlarged diagram in the region Q in Figure 39;
Figure 41 is the schematic perspective view of the regulating pin of the adjusting component in Figure 36;
Figure 42 is the schematic perspective view of the synchronizer of the adjusting component in Figure 36.
Specific embodiment
The preferred embodiment of the present invention is described in detail with reference to the accompanying drawing, 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 front cover 3 which, which rides and take turns 1,. The front cover 3 is removably connected with the rear cover 2, can be connected by screw to or be connected through a screw thread.The front cover 3 and rear cover 2 constitute a wheel body, can be coated with the rubber ring or air tyre of damping 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 is second 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 arranged in parallel equipped with a pair Cylinder flange 713, be respectively equipped with a flange hole 714 on the cylinder flange 713, the two 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 front cover 3 is removably connected with the rear cover 2, and the center of the front cover 3 is equipped with a front cover axis hole 31, the front cover 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, respectively corresponds 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 outer gear ring 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 outer gear ring 41 be equipped with it is several be arranged radially draw Strip 412 is led, the bottom of the outer gear ring 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 guidance horizontal stripes to extend outward 83, a guidance notch 84 is equipped on the guidance horizontal stripe 83, and a slidable driving arm is respectively equipped in the guidance notch 84 12, as shown in figure 17, which includes the driving horizontal stripe 121 of a strip, and the two sides of the driving horizontal stripe 121 are set respectively There is a pair of of driving guide rail 1211, which matches with the guidance notch 84, and the tail portion of the driving horizontal stripe 121 is equipped with One rod-shaped adjusting rod 122, the top of the adjusting rod 122 are equipped with a limited cap 123, and the head of the driving horizontal stripe 121 is equipped with one To the first locking prominent 124 of wedge shape, the guidance clip slot 125 of a strip, the driving are equipped between first locking prominent 124 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 front cover 3, and the center of the adjusting disk 9 is equipped with fluted disc circle 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.
One is equipped in 81 outer end of driving spindle and adjusts beam barrel 10, and 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, is equipped with lower cylinder screw thread 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 crankshaft 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 guidance notch 84;When the adjusting When disk 9 is in deceleration position, which slides in and out along guidance notch 84, the first locking of the driving arm 12 Prominent 124 are caught in the guidance strip 412;When the adjusting disk 9 is in full speed position, the driving arm 12 is along guidance notch 84 continue to slide out, and second locking prominent 127 is caught in the internal tooth head 211.Hereinafter will further it be illustrated.
The ride usage 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 of guiding arc slot 93, driving arm 12 are retracted in guidance notch 84, at this point, the first locking prominent 124 is not caught in guidance strip 412, the second locking is prominent 127 are not caught in internal tooth head 211 yet.At this point, child's foot pedal 4T2 is forward, since the first locking prominent 124 is detached from guidance Strip 412, the second locking prominent 127 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 determining 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 of guiding arc slot 93, driving Bracket 12 slides in and out along guidance notch 84, guides in strip 412 until the first locking prominent 124 is caught in, 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, since the first locking prominent 124 is caught in guidance In strip 412, and the second locking prominent 127 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 front cover 3.When the anti-pedal 4T2 of child to When afterwards, entire rear cover 2 can also rotate backward together with front cover 3.It is driven by adjusting the outer gear ring 41, first of transmission ring 4 Gear 5 and the transmission parameter, such as diameter, the number of teeth of the second transmission gear 6 etc., so that ideal reduction ratio is obtained, 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 determining 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 of guiding arc slot 93, drives Dynamic bracket 12 is continued to slide out along guidance notch 84, is caught in internal tooth head 211 until the second locking protrudes 127, at this point, the One locking prominent 124 is still stuck in guidance strip 412.At this point, child's foot pedal 4T2 is forward, due to the second locking prominent 127 It is caught in internal tooth head 211 and the first locking prominent 124 is still stuck in guidance 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 adjusting The relative position of pitch circle disk 9 and drive substrate 8 is 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.Firstly, 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 adjusting 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.Beam barrel 10 is adjusted finally, rotating clockwise, is led using the lower cylinder screw thread 103 and driving that adjust 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 outer gear ring 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 is 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, the limited bayonet 921 that user also can be used the tool 13 in figure to exchange on pitch circle disk 9 into Row operation, the tool 13 include the operation horizontal stripe 131 of a strip, are equipped with a pair of of strip on the head of operation horizontal stripe 131 Engage column cap 132, engages and screw arc slot 133 equipped with one 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 guidance horizontal stripe 83 of drive substrate 8 is not limited to 5, can also increase or It reduces.Obviously, the quantity of guiding arc slot 93 and driving arm 12 is consequently increased or reduces accordingly.
As shown in Figure 28 to Figure 34, ride second of embodiment of wheel 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 one and adjusts component 10SA, and adjusting component 10SA is rotatably arranged on driving spindle 81A.
As shown in figure 31, which includes an adjusting beam barrel 10A, a pair of of adjusting inserted link 14A and a pressure bullet Spring 11A.The adjusting beam barrel 10A includes a cylindric lower shell 101A and a cylindric upper shell 102A, the lower shell It is equipped with lower cylinder screw thread 103A in 101A, the fixed annular groove 106A of spring of an annular, the compression spring are equipped in lower shell 101A 11A setting is in the fixed annular groove 106A of the spring.Inside in lower shell 101A is equipped with a positive stop lug boss 107A.The upper shell The bottom of 102A is equipped with a pair of of grafting screw hole 105A, which runs through grafting screw hole 105A, adjusting inserted link 14A Comprising a screw thread body of rod 141A, the top of screw thread body of rod 141A is equipped with a sheet of inserted link plectrum 142A, convenient for users to Finger manipulation.
It how is specifically described below using adjusting component 10SA.
Firstly, user pinches the upper shell 102A for adjusting beam barrel 10A using hand, dynamic adjustment axis is then rotated counterclockwise Cylinder 10A will be adjusted 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 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 cue mark corresponding to the ride mode needed.Then, rotation counterclockwise Modulation section inserted link 14A, so that deviating from the head for adjusting inserted link 14A from limited bayonet 921.Finally, rotating clockwise tune 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 42, ride the third embodiment of wheel for child's tricycle of the invention, at this time only It shows and adjusts component 10SG.
The adjusting component 10SG is exchanged comprising a compression spring 11G, an adjusting beam barrel 10G, a pair of of latch spring 16G, one Save bolt 15G, a synchronizer 18G and a circlip 17G.Similarly, the bullet of an annular is equipped in the lower shell of adjusting beam barrel 10G Spring fixes annular groove, and compression spring 11G setting is in the fixed annular groove of the spring, the bottom of the upper shell 102G of adjusting beam barrel 10G Portion is equipped with a pair of of grafting screw hole 105G, and the bottom of grafting screw hole 105G is respectively equipped with the grommet 1051G of " C " font.The tune It saves bolt 15G and runs through latch spring 16G and grafting screw hole 105G.
As shown in figure 39, the inner wall of the upper shell 102G of adjusting beam barrel 10G is equipped with a circlip annular groove 108G, the circlip 17G is arranged in circlip annular groove 108G, and presses synchronizer 18G, hereinafter can further be illustrated.As shown in figure 41, Regulating pin 15G includes a rod-shaped columned bolt limited post 152G of fork 151G and one, the bolt limited post The top of 152G is equipped with a bolt bulb 153G.As shown in figure 42, synchronizer 18G includes an inner ring 181G and an outer ring 182G, is equipped with a pair of synchronous plectrum 184G between inner ring 181G and outer ring 182G, the outer wall of outer ring 182G is equipped with a ring The end face of the compression ring plate 183G of shape, outer ring 182G are equipped with the driving slope surface 185G, driving slope surface 185G of a pair of of arc End be respectively equipped with a slope surface groove 186G.
It is described below and how to use adjusting component 10SG.
When needing to adjust the operating position of disk 9, it will first adjust beam barrel 10G and unscrew, solved so that adjusting disk 9 Lock.Then, synchronizer 18G is stirred clockwise using synchronous plectrum 184G, two driving slope surface 185G of synchronizer 18G are pressed simultaneously The bolt bulb 153G for compeling regulating pin 15G, since the slope height of driving slope surface 185G is gradually increased, two regulating pin 15G are same Downlink is walked, last bolt bulb 153G is caught in corresponding slope surface groove 186G.At this point, regulating pin 15G is in stretching state.
Then, user rotates as needed adjusts beam barrel 10G, so that limited bayonet 921 on positioning tube 92 is directed toward the One cue mark 32 or the second cue mark 33 or third cue mark 34.
Then, synchronizer 18G is stirred counterclockwise using synchronous plectrum 184G, the driving slope surface 185G of synchronizer 18G is again It is matched with the bolt bulb 153G of regulating pin 15G, under the action of latch spring 16G, with the slope of driving slope surface 185G Height gradually decreases, two regulating pin 15G uplink synchronizations, at this point, regulating pin 15G is in retracted state.Finally, clockwise will It adjusts beam barrel 10G to screw, be compacted so that adjusting disk 9.
It is highly-safe since user can be suitble to the child of different age group with the ride mode of unrestricted choice tricycle.
Not limited to this, any change or replacement expected without creative work should all be covered in guarantor of the 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 (5)

1. a kind of synchronous adjustment formula child's tricycle is ridden wheel (1), include:
One circular rear cover (2);
One circular front cover (3), the front cover (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 be arranged radially Guidance notch (84), is respectively equipped with a slidable driving arm (12) in the guidance notch (84);
One adjusts disk (9), the adjusting disk (9) be located at the drive substrate (8,8A) and the front cover (3) it Between, the adjusting disk (9) is equipped with the perforative guiding arc slot (93) of several arcs, the guiding arc slot (93) and institute The driving arm (12) stated matches;
One adjusts component (10SG), and the adjusting component (10SG) is 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 component (10SG) include a compression spring (11A, 11G), one adjust beam barrel (10,10A, 10G), A pair of of latch spring (16G), a pair of of regulating pin (15G), a synchronizer (18G) and a circlip (17G), the regulating pin (15G) is between an extended position and a retraction position, and the synchronizer (18G) synchronously drives the regulating pin (15G) is on extended position or retraction position;
Wherein, the adjusting disk (9) is between a neutral, a deceleration position and a full speed position,
When the adjusting disk (9) is in neutral, the driving arm (12) is retracted in the guidance notch (84) in,
When the adjusting disk (9) is in deceleration position, the driving arm (12) is outside along guidance notch (84) Sliding, the driving arm (12) lock the transmission ring (4), and the transmission ring (4) drives described in the same direction Rear cover (2) carry out rotation and rear cover (2) revolving speed be less than the transmission ring (4) revolving speed,
When the adjusting disk (9) is in full speed position, the driving arm (12) is along guidance notch (84) it continues to slide out, the driving arm (12) locks the transmission ring (4) and rear cover (2).
2. a kind of synchronous adjustment formula child's tricycle is ridden wheel (1), include:
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 a pair of cylinder flange (713) disposed in parallel, sets respectively on the cylinder flange (713) Have a flange hole (714), the two sides of the swing arm cam (73) are 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 front cover (3), the front cover (3) are removably connected with the rear cover (2), the front cover (3) Center be equipped with a front cover axis hole (31), the circumferential direction of the front cover 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) Outer gear ring (41) comprising an annular, the outer wall circumferential direction of the outer gear ring (41) is equipped with several external tooth heads (411), described The inner wall circumferential direction of outer gear ring (41) is equipped with several guidance strips (412) being arranged radially, the bottom of the outer gear ring (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) matched with the swing arm cam (73) of the swing arm unit (7), the external tooth head (411) with it is 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 guidance horizontal stripes (83) to extend outward, is equipped on the guidance horizontal stripe (83) One guidance notch (84), the guidance notch (84) is interior to be respectively equipped with a slidable driving arm (12), the driving Bracket (12) includes the driving horizontal stripe (121) of a strip, and the two 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 guidance 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 The first locking for driving the head of horizontal stripe (121) to be equipped with a pair of of wedge shape is prominent (124), first locking prominent (124) it Between be equipped with the guidance 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 second locking that the head of the engagement item (126) is equipped with a pair of of wedge shape protrudes (127);
One adjusts disk (9), the adjusting disk (9) be located at the drive substrate (8,8A) and the front cover (3) it Between, the center of the adjusting disk (9) is equipped with a fluted disc circular hole (91), and the driving spindle (81,81A) is through described Fluted disc circular hole (91), the circumferential direction of the fluted disc circular hole (91) are equipped with a cylindric positioning tube (92), the positioning tube (92) top is equipped with a pair of of limited bayonet (921), and the perforative guiding arc there are five arc is set on the adjusting disk (9) Slot (93), the guiding arc slot (93) are arranged in the circumferential direction of the fluted disc circular hole (91), the guiding arc slot (93) It is matched with the adjusting rod (122);
One adjusts component (10SG), and the adjusting component (10SG) is 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 crankshaft screw thread (4T3);
Wherein, the adjusting component (10SG) include a compression spring (11A, 11G), one adjust beam barrel (10,10A, 10G), A pair of of latch spring (16G), a pair of of regulating pin (15G), a synchronizer (18G) and a circlip (17G), the driving spindle (81,81A) run through the adjusting beam barrel (10,10A, 10G), the adjusting beam barrel (10,10A, 10G) includes one cylindric Lower shell (101,101A) and a cylindric upper shell (102,102A, 102G), in the lower shell (101,101A) Equipped with lower cylinder screw thread (103,103A), the fixed annular groove of spring of an annular is equipped in the lower shell (101,101A) (106A), the compression spring (11A, 11G) are arranged in the spring fixed annular groove (106A), the upper shell The side wall of (102,102A, 102G) is equipped with anti-skid chequer (104), and the bottom of the upper shell (102,102A, 102G) is equipped with A pair of of grafting screw hole (105A, 105G), the grafting screw hole
The bottom of (105A, 105G) is respectively equipped with the grommet (1051G) of " C " font, and the regulating pin (15G) runs through institute The latch spring (16G) and grafting screw hole (105A, 105G) stated are set on the inner wall of the upper shell (102,102A, 102G) There is a circlip annular groove (108G), the circlip (17G) is arranged in the circlip annular groove (108G), the regulating pin (15G) includes a rod-shaped fork (151G) and a columned bolt limited post (152G), the bolt limited post The top of (152G) is equipped with a bolt bulb (153G), and the synchronizer (18G) includes an inner ring (181G) and an outer ring (182G) is equipped with a pair of synchronous plectrum (184G), the outer ring between the inner ring (181G) and outer ring (182G) The outer wall of (182G) is equipped with the compression ring plate (183G) of an annular, and the end face of the outer ring (182G) is equipped with a pair of of arc Driving slope surface (185G), the end of the driving slope surface (185G) is respectively equipped with a slope surface groove (186G);
Wherein, the adjusting disk (9) is between a neutral, a deceleration position and a full speed position,
When the adjusting disk (9) is in neutral, the driving arm (12) is retracted in the guidance notch (84) in,
When the adjusting disk (9) is in deceleration position, the driving arm (12) is outside along guidance notch (84) The first locking prominent (124) of sliding, the driving arm (12) is caught in the guidance strip (412),
When the adjusting disk (9) is in full speed position, the driving arm (12) continues along guidance notch (84) It slides in and out, second locking prominent (127) is caught in the internal tooth head (211).
3. it is a kind of for be adjusted in synchronism as claimed in claim 2 formula child's tricycle ride wheel adjusting tool, include The operation horizontal stripe (131) of one strip, the head of the operation horizontal stripe (131) are equipped with the engaging column cap of a pair of of strip (132), one is equipped between the engaging column cap (132) to screw arc slot (133), the tail portion of the operation horizontal stripe (131) is set There are a rocking handle (134).
It the as claimed in claim 2 formula child's tricycle that is adjusted in synchronism is installed rides the child's tricycle of wheel 4. a kind of, include One vehicle frame and a pair of rear wheels.
5. a kind of ride the method that wheel is adjusted to the as claimed in claim 2 formula child's tricycle that is adjusted in synchronism, include step It is rapid:
1) beam barrel (10,10A, 10G), will be adjusted counterclockwise to unscrew, so that adjusting disk (9) unlock;
2) it, stirs clockwise synchronizer (18G), the driving slope surface (185G) of synchronizer (18G) is oppressed the adjusting simultaneously and inserted The bolt bulb (153G) of (15G), regulating pin (15G) DL synchronization are sold, regulating pin (15G) is in stretching state;
3), rotation adjusts beam barrel (10,10A, 10G), so that the limited bayonet (921) on positioning tube (92) is directed toward the first indicateing arm Remember (32) or the second cue mark (33) or third cue mark (34);
4) synchronizer (18G), is stirred counterclockwise, and under the action of latch spring (16G), regulating pin (15G) uplink synchronization is adjusted Section bolt (15G) is in retracted state;
5) beam barrel (10,10A, 10G), will be adjusted clockwise to screw, so that adjusting disk (9) locking.
CN201810671517.1A 2018-06-26 2018-06-26 Synchronous adjustment formula child's tricycle is ridden wheel Withdrawn CN109018162A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810671517.1A CN109018162A (en) 2018-06-26 2018-06-26 Synchronous adjustment formula child's tricycle is ridden wheel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810671517.1A CN109018162A (en) 2018-06-26 2018-06-26 Synchronous adjustment formula child's tricycle is ridden wheel

Publications (1)

Publication Number Publication Date
CN109018162A true CN109018162A (en) 2018-12-18

Family

ID=64611320

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810671517.1A Withdrawn CN109018162A (en) 2018-06-26 2018-06-26 Synchronous adjustment formula child's tricycle is ridden wheel

Country Status (1)

Country Link
CN (1) CN109018162A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111491503A (en) * 2020-04-10 2020-08-04 刘华军 Quick clamp for surface mounting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111491503A (en) * 2020-04-10 2020-08-04 刘华军 Quick clamp for surface mounting device

Similar Documents

Publication Publication Date Title
CN108749990A (en) Child's tricycle front-wheel with shaft type adjustment structure
CN109018162A (en) Synchronous adjustment formula child's tricycle is ridden wheel
CN108820114A (en) The child's tricycle of tape synchronizer is ridden wheel
CN109018161A (en) Child's tricycle with fast pull-up structure is ridden wheel
CN108790590A (en) Axis mode child's tricycle is ridden wheel
CN108791674A (en) Band is fast to adjust the child's tricycle of structure to ride wheel
CN109018159A (en) Child's tricycle with rotary regulating structure is ridden wheel
CN108791629A (en) Child's tricycle with synchronous regulation mechanism is ridden wheel
CN108622275A (en) Child's tricycle with linkage adjustment structure is ridden wheel
CN108791659A (en) Child's tricycle with speed dial structure is ridden wheel
CN108639230A (en) The child's tricycle that band stirs adjustment structure is ridden wheel
CN108791667A (en) The child's tricycle easily adjusted is ridden wheel
CN108791665A (en) Child's tricycle is ridden wheel
CN108820111A (en) The fast child's tricycle front-wheel for adjusting structure of band
CN108621690A (en) Child's tricycle front-wheel with quick lock in structure
CN108791670A (en) The child's tricycle front-wheel of locking tongue structure
CN108621691A (en) The child's tricycle front-wheel easily adjusted
CN108820112A (en) Child's tricycle front-wheel with self-locking structure
CN109018164A (en) Child's tricycle front-wheel
CN108621686A (en) Child's tricycle front-wheel with tooth locking structure
CN109018160A (en) Child's tricycle front-wheel with quick locking structure
CN108791669A (en) Child's tricycle front-wheel with rotary regulating structure
CN108820113A (en) Child's tricycle front-wheel with driver plate adjustment structure
CN209552844U (en) A kind of wheel hub clutch
CN108621688A (en) Fast regulating child's tricycle front-wheel

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20181218

WW01 Invention patent application withdrawn after publication