CN101991303B

CN101991303B - Bi-purpose trolley for toddlers to learn and aid walking

Info

Publication number: CN101991303B
Application number: CN200910167508XA
Authority: CN
Inventors: 李月香
Original assignee: 李月香
Current assignee: Shenzhen Weimei Children's Products Co.,Ltd.
Priority date: 2009-08-19
Filing date: 2009-08-19
Publication date: 2012-07-04
Anticipated expiration: 2029-08-19
Also published as: CN101991303A

Abstract

The invention discloses a bi-purpose trolley for a toddler to learn and aid walking, comprising a base, pulleys mounted below the base, a bracket mounted above the base, and a walk-aiding device mounted at the top of the bracket. The walk-aiding device includes a top tray, a walk-aiding pushing handle, a seat cloth ring and a wheel. A top tray groove cavity is arranged under the top tray, a support button hole is arranged in the top tray groove cavity. A support button matched with the support button hole is arranged at the upper end of the support. The upper end of the support is sleeved in the top tray groove cavity and the support button is buttoned with the support button hole. The top tray is connected with the walk-aiding pushing handle to form an annular ring. The seat cloth ring is sleeved in the annular ring formed by the top tray and the walk-aiding pushing handle and is fixed with the top tray. The annular ring of the seat cloth ring is up and down corresponding to the annular ring of the base. The wheel is mounted under the top tray. The invention provides the bi-purpose trolley which is scientific and convenient and can be used for toddlers to learn and aid walking.

Description

A kind of child learns to walk and helps the step convertible car

Technical field

The invention belongs to a kind of device of auxiliary child walking, more specifically relate to a kind of child and learn to walk and help the step convertible car.

Background technology

The child learns walking has a process, and this process is broadly divided into three phases: with external world's help be master, oneself to walk be learning to walk the stage of assisting; With oneself walking be master, extraneous help be assist help the step section; Do not rely on the extraneous independent ambulation stage that helps.Child's key of learning to walk is in preceding two stages.The stage of learning to walk is continuous, a natural process with helping the step section, in this course, sometimes also need do the conversion of learning to walk and helping the step.At present, the device that auxiliary child practises walking or be go-kart, or be to help the step car; It is following not enough that this go-kart perhaps helps the step car to exist: owing to function singleness; The child the stage of learning to walk with help the step section need use go-kart respectively and help the step car, use neither science like this, also inconvenient; But also the waste resource has increased consumer's financial burden.

Summary of the invention

In order to address the above problem, the object of the present invention is to provide a kind of not only science but also convenient but also economize on resources the child learn to walk and help the step convertible car.

For realizing above-mentioned purpose; The technical scheme that the present invention adopted is: a kind of child learns to walk and helps the step convertible car; Comprise base, be installed in base below pulley, be installed in the support of base top, cantilever tip is installed one and is helped step car device, the said step car device that helps comprises taking over a business, helps step handle, seat cloth circle and wheel; Saidly take over a business the below and be provided with vallecular cavity; Saidly take over a business in the vallecular cavity support button hole is set, said support upper end is provided with the support buckle that is complementary with the support button hole, and said support upper end is sheathed in the vallecular cavity and support buckle and support button hole are interlocked; Saidly take over a business with said to help the step handle to be connected to form an annular ring; Said seat cloth snare be located at and help in the formed annular ring of step handle and with take over a business fixingly, the annular ring of said seat cloth circle is corresponding up and down with the annular ring of base, below said wheel is installed in.

More excellent, saidly take over a business both sides and respectively be provided with a turning gear that is connected to take over a business and helps the activity of step handle with helping step handle bilateral symmetry ground.

More excellent; Said help the step handle to be provided with to help the step handle reset lockhole with help the step handle to launch lockhole; Said turning gear comprises handle clutch, handle rotating shaft and back-moving spring, and the said step handle that helps passes shaft hole through the handle rotating shaft and is assembled in, and said clutch is installed on the bottom; Said clutch has a vallecular cavity, and said back-moving spring places the vallecular cavity of clutch one end interior and back-moving spring to be butted on and coils gear on the spring, the other end is butted on spring through gear.

More excellent, said front end top of taking over a business is provided with steering wheel.

More excellent, said base is provided with the base cavity, and said support lower end is sheathed in the said base cavity.

More excellent, said bracket base cavity is provided with locking hole, and the lower end of said support is provided with locked groove, and the lower end of said support also is provided with switching device, and said switching device is arranged in the locked groove.

More excellent; Said switching device comprises and two activities of locking hole coupling are protruding, be installed on two locking spring, unblank push rod and unlock buttons between the movable convexity; Said two movable protruding adjacent sides are equipped with triangle and carve face; The lower end of the said push rod of unblanking is provided with the word of the falling V recess of carving the face coupling with said triangle; Said unlock button is that a lower end is a scarf cylinder, and the upper end of the described push rod of unblanking is provided with the scarf with the scarf of said scarf cylinder coupling, and said two movable protruding bossings pass from the locked groove perforate on the locked groove.

More excellent, said support is provided with two roads lock and groove, and said two roads lock is the strip of one " L " shape, and said two roads lock is provided with two raised lines with the groove coupling.

After adopting technique scheme; Its advantage is: with the go-kart device with help step car device to be optimized Combination Design to go out to have and learn to walk and help a kind of child of step two kinds of functions to learn to walk and help the step convertible car; The child both can learn to walk with this child and help the step convertible car to learn to walk; Also can learn to walk to help on the step convertible car and use, and this child learns to walk and helps the step convertible car need use go-kart respectively and help two kinds of cars of step car just can reach to learn to walk and help the prior art of step purpose more to save material helping step car device to take off as the independent step car that helps from this child.This design has met the universal law that the child learns to walk, not only science but also convenient, and economize on resources.

Description of drawings

Fig. 1 is a sketch map of the present invention;

Fig. 2 is a switching device explosive view of the present invention;

Fig. 3 is a turning gear explosive view of the present invention;

Fig. 4 is that the present invention helps step handle one side structure sketch map;

Fig. 5 is support of the present invention and takes over a business dismounting back sketch map.

Among the figure:

1. go-kart device 11. bases 111. base annular rings 112. base cavitys 1121. locking holes 12. pulleys

2. help step car device 21. to take over a business 211 and take over a business vallecular cavity 212. support button holes

22. help step handle 221. to help the step handle lockhole 222. that resets to help the step handle to launch on 23. cloth circles of lockhole 223. shaft holes, 24. wheels, 25. turning gears, 251. handle clutches, 2511. pin structures, 2512. handle clutch circular holes, 2513. clutch vallecular cavities, 2514. springs dish gear 2515. springs through gear 2516. handle clutch cases 252. handle rotating shafts 253. back-moving springs

3. holder device 31. supports 311. support buckles 312. locked grooves 3121. locked groove perforates 32. 2 roads are locked the movable protruding 332. locking springs 333. of 321. raised lines, 33. switching devices 331. push rod 3331. inverted V-shaped recesses 334. unlock buttons 335. triangles of unblanking and are carved face

4. steering wheel

5. screw

The specific embodiment

Below in conjunction with accompanying drawing the present invention is done further detailed explanation.

To shown in Figure 5, a kind of child learns to walk and helps the step convertible car like Fig. 1, comprises go-kart device 1, helps step car device 2, connects go-kart device 1 and the holder device 3 that helps step car device 2.Go-kart device 1 comprises base 11, is installed in the pulley 12 that base 11 belows can be rotated all around; Help step car device 2 to comprise taking over a business 21, help step handle 22, seat cloth circle 23 and wheel 24; Holder device 3 comprises the support 31 that is installed in base 11 tops, and support 31 has fore-stock and after-poppet, and rack side wall can also be installed clutch.Take over a business 21 belows and be provided with vallecular cavity 211; Take over a business support button hole 212 is set in the vallecular cavity 211, support 31 upper ends are provided with the support buckle 311 that is complementary with support button hole 212, when mounting bracket 31 when taking over a business 21; Fore-stock and after-poppet are set with in taking over a business 21 correspondingly to take over a business in the vallecular cavity 211; Support buckle 311 forwards are packed into to take over a business in the vallecular cavity 211, and let support buckle 311 pass support button hole 212 fully, support 31 is accomplished assembling.When disassembling support 31 and taking over a business 21, push the support buckle 311 on the vallecular cavity 211 medium-height trestle button holes 212, make support buckle 311 break away from support button hole 212 fully after, can disassemble support 31 smoothly and take over a business 21.Take over a business 21 with help step handle 22 to be connected to form an annular ring, a seat cloth circle 23 be set in 21 with help in the step handle 22 formed annular rings and with take over a business 21 fixingly, seat cloth circle 23 is corresponding about in the of 111 with the base annular ring, wheel 24 is installed in 21 belows.Take over a business 21 both sides with help step handle 22 bilateral symmetry ground respectively be provided with one be connected to take over a business 21 with the turning gear 25 of the activity that helps step handle 22.Help step handle 22 to be provided with to help the step handle reset lockhole 221 with help the step handle to launch lockhole 222; Turning gear 25 comprises handle clutch 251, handle rotating shaft 252 and back-moving spring 253; Helping step handle 22 to pass shaft hole 223 through handle rotating shaft 252 is assembled on 21; Handle clutch 251 is installed on 21 bottoms; Back-moving spring 253 places handle clutch vallecular cavity 2513 ends interior and back-moving spring 253 to be butted on and coils gear 2514 on the spring, the other end is butted on spring through gear 2515, and pushes down clutch with handle clutch case 2516, with screw 5 lockings.When helping step handle 22 when launching; Symmetrical two handle clutches 251 are promoted toward center direction; The pin structure 2511 of handle clutch 251 is broken away from fully help the step handle lockhole 221 that resets, helping step handle 22 can be the manual rotary expansion of fulcrum with handle rotating shaft 252, when helping when going on foot handle 22 and being deployed into certain position; This moment is under the elastic force of back-moving spring 253 promotes; The pin structure 2511 of handle clutch 251 penetrates fully and helps the step handle to launch in the lockhole 222, helps step handle 22 in the position of launching with firm locking, so accomplishes and helps the handle of step car device 1 to help the step function of use; When help step car device 2 help step handle 22 to fold to reset the time; Symmetrical two handle clutches 251 are promoted toward center direction; The pin structure 2511 of handle clutch 251 is broken away from fully helps the step handle to launch lockhole 222, help step handle 22 can with handle rotating shaft 252 be fulcrum manually rotation fold, when helping when going on foot handle 22 and folding fully; This moment is under back-moving spring 253 elastic force promote; The pin structure 2511 of handle clutch 251 is penetrated fully help the step handle to reset in the lockhole 221, help step handle 22 in folding fully on the position that resets, so accomplish the handle closing function that helps the step car with firm locking.Take over a business 21 front end top and be provided with steering wheel 4.Base 11 is provided with base cavity 112, and support 31 lower ends are sheathed in the said base cavity 112.Base cavity 112 is provided with locking hole 1121, and the lower end of support is provided with locked groove 312, and the lower end of support 31 also is provided with switching device 33, and switching device 33 is arranged in the locked groove 312.Switching device 33 comprise and two of locking hole 1121 coupling movable protruding 331, be installed on locking spring 332, unblank push rod 333 and unlock button 334 between protruding 331 of two activities; Two movable protruding 331 adjacent sides are equipped with triangle and carve face 325; The unblank lower end of push rod 333 is provided with the inverted V-shaped recess 3331 of carving face 325 couplings with triangle; Unlock button 334 is that a lower end is a scarf cylinder; The unblank upper end of push rod 333 is provided with the scarf with the scarf coupling of this scarf cylinder, and two movable bossings of protruding 331 pass from the locked groove perforate 3121 on the locked groove 312.When after-poppet is installed, directly insert the lower end of after-poppet in the base cavity 112, two movable protruding 321 penetrate in the locking hole 1121, support can't be extracted from base; In the time will adjusting 21 height or extract support; Press unlock button 334; The push rod 333 of unblanking is moved down, and inverted V-shaped recess 3331 makes two movable protruding 331 and draws close to the centre, thereby breaks away from locking hole 1121; Can adjust 21 height when a little or extract support 31, make installation and removal all very efficient and convenient like this; Two activities protruding 331 make 21 three adjusting ranges highly can be arranged, because a seat cloth circle 23 is fixed on 21, therefore adjusts 21 height and can adjust a cloth circle 23 height.Support 31 is provided with two roads lock 32 and groove; Said two roads lock 32 is the strip of one " L " shape; Two roads locks is provided with two raised lines 321 with the groove coupling, and can stir two roads lock 32 and make two raised lines 321 embed groove respectively, be that a high position and locking position are to change between the low level thereby make two roads lock 34 at unlock position; When pushing low level to two roads lock 32; " L " shape two roads lock 32 places between two movable protruding 331, and two activities this moment protruding 331 can't be moved in opposite directions and broken away from locking hole, have therefore played the effect of safe locking.

During use; The child may stand in this child and learns to walk and learn to walk in the annular ring of annular ring and base of the corresponding up and down seat cloth circle that helps the step convertible car, also can learn to walk to help on the step convertible car from this child and help step car use helping step car device to take off as independent.

Above-described only is preferred implementation provided by the invention; Should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the invention design; Can also make some distortion and improvement, these all belong to protection scope of the present invention.

Claims

1. a child learns to walk and helps the step convertible car, comprise base, be installed in base below pulley, be installed in the support of base top, cantilever tip is installed one and is helped step car device; It is characterized in that; The said step car device that helps comprises taking over a business, helps step handle, seat cloth circle and wheel, saidly takes over a business the below and is provided with vallecular cavity, saidly takes over a business in the vallecular cavity support button hole is set; Said support upper end is provided with the support buckle that is complementary with the support button hole; Said support upper end is sheathed in the vallecular cavity and the support buckle is interlocked with the support button hole, saidly take over a business with said to help the step handle to be connected to form an annular ring, said seat cloth snare be located at and help the formed annular ring of step handle interior and with take over a business fixing; The annular ring of said seat cloth circle is corresponding up and down with the annular ring of base, and said wheel is installed in the below.

2. a kind of child as claimed in claim 1 learns to walk and helps the step convertible car, it is characterized in that, saidly takes over a business both sides and respectively is provided with a turning gear that is connected to take over a business and helps the activity of step handle with helping step handle bilateral symmetry ground.

3. a kind of child as claimed in claim 2 learns to walk and helps the step convertible car; It is characterized in that; The said step handle that helps is helping the step handle and is taking over a business the connection and be provided with shaft hole, help reset lockhole and help the step handle to launch lockhole of step handle; Said turning gear comprises handle clutch, handle rotating shaft and back-moving spring, and the said step handle that helps passes shaft hole through the handle rotating shaft and is assembled in, and said clutch is installed on the bottom; Said clutch has a vallecular cavity, and said back-moving spring places the vallecular cavity of clutch one end interior and back-moving spring to be butted on and coils gear on the spring, the other end is butted on spring through gear.

4. according to claim 1 or claim 2 a kind of child learns to walk and helps the step convertible car, it is characterized in that, said front end top of taking over a business is provided with steering wheel.

5. a kind of child as claimed in claim 1 learns to walk and helps the step convertible car, it is characterized in that, said base is provided with the base cavity, and said support lower end is sheathed in the said base cavity.

6. a kind of child as claimed in claim 5 learns to walk and helps the step convertible car, it is characterized in that, said base cavity is provided with locking hole, and the lower end of said support is provided with locked groove, and the lower end of said support also is provided with switching device, and said switching device is arranged in the locked groove.

7. a kind of child as claimed in claim 6 learns to walk and helps the step convertible car; It is characterized in that; Said switching device comprises and two activities of locking hole coupling are protruding, be installed on two locking spring, unblank push rod and unlock buttons between the movable convexity; Said two movable protruding adjacent sides are equipped with triangle and carve face, and the lower end of the said push rod of unblanking is provided with the word of the falling V recess of carving the face coupling with said triangle, and said unlock button is that a lower end is a scarf cylinder; The upper end of the described push rod of unblanking is provided with the scarf with the scarf of said scarf cylinder coupling, and said two movable protruding bossings pass from the locked groove perforate on the locked groove.

8. learn to walk like claim 1 or 5 or 6 described a kind of childs and help the step convertible car, it is characterized in that, said support is provided with two roads lock and groove, and said two roads lock is the strip of one " L " shape, and said two roads lock is provided with two raised lines with the groove coupling.