CN101934811B - Braking mechanism for a baby carriage - Google Patents
Braking mechanism for a baby carriage Download PDFInfo
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- CN101934811B CN101934811B CN2009101794002A CN200910179400A CN101934811B CN 101934811 B CN101934811 B CN 101934811B CN 2009101794002 A CN2009101794002 A CN 2009101794002A CN 200910179400 A CN200910179400 A CN 200910179400A CN 101934811 B CN101934811 B CN 101934811B
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Abstract
A braking mechanism is applied to a childs pram. The childs pram comprises a first support member and a first wheel. The first wheel has a first hub. The brake mechanism comprises a first wheel base, a ratchet, an operating member and a first engaging member. The first wheel is pivotally connected to the first supporting member, and the first wheel is pivotally connected to the wheel base. The ratchet is pivotally connected to the first wheel base. The ratchet comprises a plurality of first and second engaging teeth arranged interlacedly. The operating member is pivotally connected to the first wheel base and abuts against the ratchet. The first engaging member is pivotally connected to the first wheel base. When the operating member is pressed to drive the ratchet to rotate, the ratchet drives the first engaging member to move, so that the first engaging member is capable of selectively engaging with one of the first or second engaging teeth.
Description
Technical field
The present invention relates to a kind of braking mechanism that is used for perambulator, particularly relate to and a kind ofly realize that one steps on the braking mechanism of dual brake.
Background technology
The braking mechanism of general perambulator trailing wheel is of a great variety, and for example utilizing the inserted tooth embedding rear wheel hub connecting hole of brake pedal is present comparatively common braking mechanism.Yet; Because the brake of conventional pushchair control all is to be designed to use the braking mechanism that is arranged at respectively on the left and right wheels to carry out the control of left and right wheels brake usually; Therefore; If in case of emergency, the user often can't check the wheel that is positioned at the perambulator left and right sides simultaneously, so cause perambulator rolling to move easily or spin and topple over; And then jeopardizing the safety that is sitting in child in the perambulator, this design defect is pushing away the user that perambulator advances fast or show dangerous especially when running into the precipitous situation in road surface.In addition, need downward pushes pedals when comparatively traditional in the market braking mechanism locks, need upwards to collude pedal during release the lock and realize release the lock, make vamp be easy to by scratch with vamp.
Summary of the invention
The object of the present invention is to provide a kind of braking mechanism that is used for perambulator, it is simple to operate, easy to use, the brake reliability is higher and can realize that one steps on dual brake, no matter is release the lock or lock brake mechanism, all only needs downward pedal, to address the above problem.
Based on above-mentioned purpose, the present invention provides a kind of braking mechanism that is used for perambulator.Said perambulator comprises one first strut member and one first wheel, and said first wheel has a first wheel.Said braking mechanism comprises one first wheel seat, a ratchet, an operating parts and one first engagement piece.Said first wheel seat is connected in said first strut member, and said first wheel is articulated in said first wheel seat.Said ratchet is articulated in said first wheel seat, and said ratchet comprises one first roller seating space structure, and the said first roller seating space structure has a plurality of staggered first latches and second latch.Said operating parts is articulated in said first wheel seat, and said operating parts can be connected to said ratchet.Said first engagement piece is articulated in said first wheel seat and can be sticked in said second latch and the said first wheel of said ratchet simultaneously.Rotate to drive said ratchet when said operating parts is pressed, move, make said first engagement piece optionally be sticked in said first latch, and be sticked in one of them of said second latch thereby said ratchet drives said first engagement piece.
Said ratchet also comprises one second roller seating space structure, and the said second roller seating space structure has a plurality of the 3rd latches, and the roller seating space degree of depth of said first latch is less than the roller seating space degree of depth of said second latch.
Said braking mechanism comprises an actuator; Said actuator is connected with said operating parts and is arranged on movably in said first wheel seat; Said actuator has a drive division and an elastic portion, and said drive division optionally is sticked in one of them of said a plurality of the 3rd latches, and said elastic portion is connected to a madial wall of said operating parts; When said operating parts was pressed, said elastic portion can produce elastic deformation.
Have one first engagement section and one second engagement section at said first engagement piece; When said first engagement section is sticked in said first latch; Said second engagement section releases from from said first wheel; When said first engagement section is sticked in said second latch, said second engagement section is sticked in said first wheel.
Said braking mechanism comprises one first elastic component in addition; One end of said first elastic component is connected in said operating parts, and the other end is connected in said first wheel seat, when said operating parts is pressed; Said first elastic component can be stretched; When said operating parts was released, said first elastic component can produce a pulling force, so that said operating parts resets.
Said braking mechanism comprises one second elastic component in addition; One end of said second elastic component is connected in said first wheel seat, and the other end is connected in said first engagement piece, when said first engagement section is sticked in said first latch; Said second elastic component is in extended state; When said first engagement section releases from from said first latch, said second elastic component can produce a pulling force, so that said first engagement section is sticked in said second latch.
Said perambulator comprises one second strut member and one second wheel in addition, and said second wheel has one second wheel hub.Said braking mechanism comprises one second wheel seat, one second engagement piece and a moving part in addition.Said second wheel seat is connected in said second strut member, and said second wheel is articulated in said second wheel seat.Said second engagement piece is articulated in said second wheel seat, and said second engagement piece has one the 3rd engagement section.The first end of said moving part is connected in said first engagement piece, and the second end is connected in said second engagement piece.When said first engagement section is sticked in said first latch, said second engagement section releases from from said first wheel, and said the 3rd engagement section releases from from said second wheel hub.When said first engagement section is sticked in said second latch, said second engagement section is sticked in said first wheel, and said the 3rd engagement section is sticked in said second wheel hub.
Said braking mechanism comprises one the 3rd elastic component in addition, and an end of said the 3rd elastic component is connected in said second wheel seat, and the other end is connected in said second engagement piece.When said first engagement section is sticked in said first latch, said second engagement piece receives said moving part and said first engagement piece dilatory, and makes the 3rd elastic component be in extended state.When said first engagement section releases from from said first latch, said moving part is also released from, and said the 3rd elastic component can produce a pulling force, so that said the 3rd engagement section is sticked in said second wheel hub.
Said first engagement piece has a connecting hole, and said first wheel seat has a guide hole, and the second end of said moving part passes said connecting hole, passes said guide hole again, makes the first end of said moving part be stuck in said connecting hole place.
The width of the first end of said moving part is greater than the diameter of said connecting hole and said guide hole, and the width of the second end of said moving part is less than the diameter of said connecting hole and said guide hole.
Said second engagement piece has a perforation and a circular hole, and said perforation is connected with said circular hole, and the second end of said moving part passes from said perforation, thereby is stuck in said circular hole place.
According to technique scheme, the braking mechanism that is used for perambulator of the present invention has advantage and beneficial effect at least: no matter be release the lock or lock brake mechanism, the user all only needs downward pedal (being above-mentioned operating parts), can avoid vamp by scratch.In addition; The present invention utilizes moving part to come the braking mechanism of two wheels about interlock (being first, second above-mentioned wheel); The user only needs downward pedal, can realize that one steps on the braking effect of dual brake, thus; Not only can promote the operability of perambulator aspect braking mechanism widely; Also can let simultaneously the user in case of emergency can be fast and synchronously accomplish the brake of perambulator left and right wheels, reducing the generation probability that the perambulator rolling moves or spins widely, and then guarantee to be sitting in child's in the perambulator safety.
Above-mentioned explanation only is the general introduction of technical scheme of the present invention; In order to more clearly understand technological means of the present invention; And can implement according to the content of specification sheets, and for let of the present invention above-mentioned with other purposes, feature and advantage can be more obviously understandable, below a plurality of embodiment of special act; And conjunction with figs., specify as follows.
Description of drawings
Fig. 1 is the braking mechanism of one embodiment of the invention and the assembling scheme drawing of first, second wheel.
Fig. 2 is the scheme drawing of the braking mechanism among Fig. 1.
Fig. 3 is the decomposition diagram of the braking mechanism among Fig. 2.
Fig. 4 is the assembling scheme drawing of ratchet, actuator and first engagement piece among Fig. 3.
Fig. 5 is that operating parts is set in ratchet and the scheme drawing on the actuator among Fig. 3.
Fig. 6 is the scheme drawing of Fig. 5 at another visual angle.
Fig. 7 is the assembling scheme drawing of second elastic component, first wheel seat and first engagement piece among Fig. 3.
Fig. 8 is second wheel seat and the assembling scheme drawing of second engagement piece among Fig. 3.
Fig. 9 is that moving part and second engagement piece among Fig. 3 is at the scheme drawing at another visual angle.
Figure 10 is the block diagram that the braking mechanism among Fig. 1 is in the release the lock state.
Figure 11 is the cutaway view that the braking mechanism among Fig. 1 is in the release the lock state.
Figure 12 is the block diagram that the braking mechanism among Fig. 1 is in the lock state.
Figure 13 is the cutaway view that the braking mechanism among Fig. 1 is in the lock state.
The main element nomenclature
1 braking mechanism, 10 first wheel seats
12 ratchets, 14 actuators
16 operating parts, 18 first engagement pieces
20 first elastic components, 22 second elastic components
24 second wheel seats, 26 second engagement pieces
28 moving parts 30 the 3rd elastic component
32 first wheel shafts, 34 second wheel shafts
50 first strut members, 52 second strut members
54 first wheels, 56 second wheels
58 first shell fragments, 60 second shell fragments
62 first shock-proof springs, 64 second shock-proof springs
100 engaging ribs, 102 guide holes
104 trips, 120 first roller seating space structures
122 second roller seating space structures, 140 drive divisions
142 elastic portion, 144 bottom surfaces
160 madial walls, 162 operating portions
164,180 projections, 182 connecting holes
186 second engagement sections, 184 first engagement sections
200,220,222 ends, 202 ends
240 recesses, 242 riveted holes
262 perforation of 260 engagement sections
264 circular holes 266 the 3rd engagement section
280 first ends, 282 the second ends
300,302 ends, 540 first wheels
560 second wheel hubs, 1,200 first latches
1,202 second latches 1220 the 3rd latch
1222 dedendum flank A, B pivotal point
The specific embodiment
Please refer to Fig. 1 to Fig. 3.The braking mechanism 1 that is used for perambulator of the present invention is arranged on first strut member 50 and second strut member 52 of perambulator, and perambulator comprises first wheel 54 and second wheel 56 in addition.When practical application, first strut member 50 and second strut member 52 can be the rear feet of perambulator.First wheel 54 has first wheel 540, and second wheel 56 has second wheel hub 560.Braking mechanism 1 comprises first wheel seat 10, ratchet 12, actuator 14, operating parts 16, first engagement piece 18, first elastic component 20, second elastic component 22, second wheel seat 24, second engagement piece 26, moving part 28 and the 3rd elastic component 30.First elastic component 20, second elastic component 22 and the 3rd elastic component 30 can be respectively a spring.
In this embodiment, first wheel seat 10 is articulated in first wheel 54 through first wheel shaft 32, and second wheel seat 24 is articulated in second wheel 56 through second wheel shaft 34.In addition, first wheel seat 10 removably is connected in first strut member 50 through first shell fragment 58, and second wheel seat 24 removably is connected in second strut member 52 through second shell fragment 60.Moreover first shock-proof spring 62 is arranged between first strut member 50 and first wheel seat 10, and second shock-proof spring 64 is arranged between second strut member 52 and second wheel seat 24, runs into suffered impact behind the obstacle to slow down perambulator.
Please refer to Fig. 4 to Fig. 7.Ratchet 12 also is to be articulated in first wheel seat 10 through first wheel shaft 32.Ratchet 12 comprises the first roller seating space structure 120 and the second roller seating space structure 122.The first roller seating space structure 120 has a plurality of staggered first latches 1200 and second latch 1202.The second roller seating space structure 122 has a plurality of the 3rd latches 1220.As shown in Figure 4, the first roller seating space structure 120 has staggered three first latches 1200 and three second latches 1202, and the second roller seating space structure 122 has six the 3rd latches 1220.What need explanation is, the quantity of first latch 1200, second latch 1202 and the 3rd latch 1220 can design according to practical application.In addition, the roller seating space degree of depth of first latch 1200 is less than the roller seating space degree of depth of second latch 1202.
Like Fig. 4 and shown in Figure 5, actuator 14 has drive division 140 and elastic portion 142.Actuator 14 is installed in operating parts 16 in-to-ins one accommodation space and is arranged on movably in first wheel seat 10 with the action of operating parts 16, and drive division 140 optionally is sticked in a plurality of the 3rd latches 1220 one of them.In addition, operating parts 16 is set on the ratchet 12, and is articulated in first wheel seat 10 through first wheel shaft 32, makes operating parts 16 and ratchet 12 to pivot by relative first wheel shaft 32.When actuator 14 was installed on operating parts 16 inside, drive division 140 optionally was sticked in one the 3rd latch 1220, and the elastic portion 142 of actuator 14 is connected to the madial wall 160 of the accommodation space (drawing does not indicate) in the operating parts 16.When operating parts 16 is pressed; Actuator 14 also moves thereupon; Drive division 140 is except passing ratchet 12 rotates; Also receive the pushing and pressing of another adjacent the 3rd latch 1220, make elastic portion 142 produce elastic deformations and absorb another the 3rd latch 1220 and push against the strength on drive division 140 because of the rotation of ratchet 12.Operating parts 16 has operating portion 162, and operating portion 162 exposes to first wheel seat 10.One end 200 of first elastic component 20 is connected in the projection 164 on the operating parts 16, and the other end 202 is connected in first wheel seat 10.When operating parts 16 was pressed, first elastic component 20 can be stretched, and when said operating parts 16 was released, first elastic component 20 can produce a pulling force, so that operating parts 16 resets.
As shown in Figure 7, an end 220 of second elastic component 22 is connected on the engaging rib 100 of first wheel seat, 10 dorsal parts, and the other end 222 is connected on the projection 180 of first engagement piece 18.In addition, the second end 282 (as shown in Figure 3) of moving part 28 passes the connecting hole 182 of first engagement piece 18, passes the guide hole 102 of first wheel seat 10 again, makes the first end 280 of moving part 28 be stuck in connecting hole 182 places.When practical application, can make the diameter of the width of first end 280, and make the diameter of the width of the second end 282 less than connecting hole 182 and guide hole 102 greater than connecting hole 182 and guide hole 102.
Like Fig. 4 and shown in Figure 6; First engagement piece 18 has first engagement section 184 and second engagement section 186; First engagement section 184 and second engagement section 186 are positioned at the same end of first engagement piece 18; First engagement section 184 optionally is sticked in first latch 1200 or second latch 1202 of ratchet 12, and when first engagement section 184 was sticked in first latch 1200 of ratchet 12,186 of second engagement sections got into the trip 104 in first wheel seat 10 thereupon; When first engagement section 184 was sticked in second latch 1202 of ratchet 12, second engagement section 186 also broke away from the trip 104 of first wheel seat 10 thereupon.In addition, can first engagement piece 18 be riveted on the A point mutually with first wheel seat 10 through a riveting parts (not showing in the drawings), so that first engagement piece 18 can pivot around the A point.
Please refer to Fig. 8 and Fig. 9.Second engagement piece 26 is riveted on B point (as shown in Figure 2) through a riveting parts (not being shown among the figure) with second wheel seat 24 mutually, so that second engagement piece 26 can pivot around the B point.The second end 282 of moving part 28 passes from the perforation 262 of second engagement piece 26, makes the second end 282 of moving part 28 be stuck in circular hole 264 places again.One end 300 of the 3rd elastic component 30 is caught on a riveting parts (not showing in the drawings) and is connected in second wheel seat 24, and the other end 302 is connected in second engagement piece 26.Above-mentioned riveting parts passes the riveted holes 242 (as shown in Figure 3) of second wheel seat 24.But second engagement piece, 26 both sides have the operation of engagement section 260 compounding practice spares 16 optionally snaps in the recess 240 of second wheel seat 24, or receives the effect of the 3rd elastic component 30 and break away from recess 240.
Please refer to Fig. 4 and Figure 10 to Figure 13.Convert braking mechanism 1 into lock-out state (like Figure 12 and shown in Figure 13) from release the lock state (like Figure 10 and shown in Figure 11) like user's desire; The user need step on the operating portion 162 of operating parts 16 downwards, and operating parts 16 can drive actuator 14 and move down when first wheel shaft 32 pivots.Then, actuator 14 moves downward, the dedendum flank 1222 (as shown in Figure 4) of bottom surface 144 (as shown in Figure 4) meeting conflict the 3rd latch 1220 of actuator 14, and promote ratchet 12 clickwises.At this moment; Because ratchet 12 rotations make another adjacent the 3rd latch 1220 can push against the another side of actuator 14 thereupon; Actuator 14 is passed; Therefore the elastic portion 142 that is in drive division 140 other ends can produce elastic deformations, makes the drive division 140 of actuator 14 to move to the direction of elastic portion 142, crosses the 3rd present latch 1220 and receives the elastic restoring force effect of elastic portion 142 and snap into next the 3rd latch 1220 up to drive division 140.The rotation of ratchet 12 can make first engagement section 184 of the engagement piece 18 of winning break away from and the engaging of first latch 1200 (the shallow tooth as shown in Figure 4) of ratchet 12 simultaneously.At this moment; Second elastic component 22 that is in extended state can produce pulling force; First engagement piece 18 is upwards pivoted around pivotal point A; Thereby first engagement section 184 that makes the engagement piece 18 of winning is sticked in second latch 1202 (dark tooth as shown in Figure 4), second engagement section 186 of the engagement piece 18 of winning is engaged, with brake and the locking that realizes first wheel 54 with the first wheel 540 of first wheel 54.
When first engagement piece 18 makes progress pivoting action; The first end 280 of moving part 28 also can upward movement; At this moment, the 3rd elastic component 30 that is in extended state can produce pulling force, and spurs second engagement piece 26 around the downward pivoting action of pivotal point B (as shown in Figure 2); Make the 3rd engagement section 266 of second engagement piece 26 engage, thereby realize the brake and the locking of second wheel 56 with second wheel hub 560 of second wheel 56.When braking mechanism 1 left and right sides all locked, operating parts 16 can rotate up through the elastic force that first elastic component 20 is produced and reset, and the elastic portion 142 (as shown in Figure 4) of actuator 14 also can be replied original shape.
Convert braking mechanism 1 into release the lock state (like Figure 10 and shown in Figure 11) from lock-out state (like Figure 12 and shown in Figure 13) like user's desire, likewise, the user also need step on the operating portion 162 of operating parts 16 downwards, and operating parts 16 can drive actuator 14 and move down.Then, actuator 14 moves downward, the dedendum flank 1222 (as shown in Figure 4) of bottom surface 144 (as shown in Figure 4) meeting conflict the 3rd latch 1220 of actuator 14, and promote ratchet 12 clickwises.At this moment; Because ratchet 12 rotations make another adjacent the 3rd latch 1220 can push against the another side of actuator 14 thereupon; Actuator 14 is passed; Therefore the elastic portion 142 that is in drive division 140 other ends can produce elastic deformations, makes the drive division 140 of actuator 14 to move to the direction of elastic portion 142, crosses the 3rd present latch 1220 and receives the elastic restoring force effect of elastic portion 142 and snap into next the 3rd latch 1220 up to drive division 140.The rotation of ratchet 12 can make first engagement section 184 of the engagement piece 18 of winning break away from and the engaging of second latch 1202 (the dark tooth as shown in Figure 4) of ratchet 12 simultaneously.At this moment; When ratchet 12 continues rotation; When making first engagement section 184 of first engagement piece 18 be positioned at the adjacent next one first latch 1200; Under second elastic component, 22 tension, first engagement piece 18 pivots around pivotal point A, thereby makes first engagement section 184 of the engagement piece 18 of winning be sticked in first latch 1200 (shallow tooth as shown in Figure 4).The pivoting action that first engagement piece 18 is downward makes second engagement section 186 release from from the first wheel 540 of first wheel 54, to realize the release the lock of first wheel 54.
In the time of the downward pivoting action of first engagement piece 18; The first end 280 of moving part 28 also can move downward; Under the pulling function of moving part 28; Second engagement piece 26 is around pivotal point B (as shown in Figure 2) pivoting action upwards, makes the 3rd engagement section 266 of second engagement piece 26 break away from second wheel hub 560 of second wheel 56 and engages, thereby realize the release the lock that second wheel 56 brakes.In the equal release the lock in braking mechanism 1 left and right sides, operating parts 16 can rotate up through the elastic force that first elastic component 20 is produced and reset, and the elastic portion 142 (as shown in Figure 4) of actuator 14 also can be replied original shape.
According to technique scheme; The braking mechanism that is used for perambulator of the present invention has advantage and beneficial effect at least: no matter be release the lock or lock brake mechanism; The user all only needs downward pedal (being above-mentioned operating parts), can avoid vamp by scratch, and easy to operate.In addition; The present invention utilizes moving part to come the braking mechanism of two wheels about interlock (being first, second above-mentioned wheel); The user only needs downward pedal, can realize that one steps on the braking effect of dual brake, thus; Not only can promote the operability of perambulator aspect braking mechanism widely; Also can let simultaneously the user in case of emergency can be fast and synchronously accomplish the brake of perambulator left and right wheels, reducing the generation probability that the perambulator rolling moves or spins widely, and then guarantee to be sitting in child's in the perambulator safety.
The above is merely the preferred embodiments of the present invention, and is all according to equalization variation and modification that the present invention did, all should belong to covering scope of the present invention.
Claims (10)
1. braking mechanism that is used for perambulator, said perambulator comprises one first strut member and one first wheel, it is characterized in that, and said first wheel has a first wheel, and said braking mechanism comprises:
One first wheel seat is connected in said first strut member, and said first wheel is articulated in said first wheel seat;
One ratchet is articulated in said first wheel seat, and said ratchet comprises one first roller seating space structure, and the said first roller seating space structure has a plurality of staggered first latches and second latch;
One operating parts is articulated in said first wheel seat, and said operating parts can be connected to said ratchet; And
One first engagement piece is articulated in said first wheel seat and can be sticked in said second latch and the said first wheel of said ratchet simultaneously, and said first engagement piece has one first engagement section and one second engagement section;
Wherein, rotate to drive said ratchet, move thereby said ratchet drives said first engagement piece when said operating parts is pressed; Make said first engagement piece optionally be sticked in said first latch; Be sticked in one of them of said second latch, when said first engagement section is sticked in said first latch, said second engagement section releases from from said first wheel; When said first engagement section is sticked in said second latch, said second engagement section is sticked in said first wheel.
2. braking mechanism as claimed in claim 1 is characterized in that, said ratchet also comprises one second roller seating space structure, and the said second roller seating space structure has a plurality of the 3rd latches, and the roller seating space degree of depth of said first latch is less than the roller seating space degree of depth of said second latch.
3. braking mechanism as claimed in claim 2 is characterized in that said braking mechanism comprises an actuator; Said actuator is connected with said operating parts and is arranged on movably in said first wheel seat; Said actuator has a drive division and an elastic portion, and said drive division optionally is sticked in one of them of said a plurality of the 3rd latches, and said elastic portion is connected to a madial wall of said operating parts; When said operating parts was pressed, said elastic portion can produce elastic deformation.
4. braking mechanism as claimed in claim 1 is characterized in that, said braking mechanism comprises one first elastic component in addition; One end of said first elastic component is connected in said operating parts, and the other end is connected in said first wheel seat, when said operating parts is pressed; Said first elastic component can be stretched; When said operating parts was released, said first elastic component can produce a pulling force, so that said operating parts resets.
5. braking mechanism as claimed in claim 1; It is characterized in that said braking mechanism comprises one second elastic component in addition, an end of said second elastic component is connected in said first wheel seat; And the other end is connected in said first engagement piece; When said first engagement section is sticked in said first latch, said second elastic component is in extended state, when said first engagement section releases from from said first latch; Said second elastic component can produce a pulling force, so that said first engagement section is sticked in said second latch.
6. braking mechanism as claimed in claim 1 is characterized in that, said perambulator comprises one second strut member and one second wheel in addition, and said second wheel has one second wheel hub, and said braking mechanism comprises in addition:
One second wheel seat is connected in said second strut member, and said second wheel is articulated in said second wheel seat;
One second engagement piece is articulated in said second wheel seat, and said second engagement piece has one the 3rd engagement section; And
One moving part, the first end of said moving part are connected in said first engagement piece, and the second end is connected in said second engagement piece; When said first engagement section is sticked in said first latch; Said second engagement section releases from from said first wheel, and said the 3rd engagement section releases from from said second wheel hub, when said first engagement section is sticked in said second latch; Said second engagement section is sticked in said first wheel, and said the 3rd engagement section is sticked in said second wheel hub.
7. braking mechanism as claimed in claim 6 is characterized in that, said braking mechanism comprises one the 3rd elastic component in addition; One end of said the 3rd elastic component is connected in said second wheel seat, and the other end is connected in said second engagement piece, when said first engagement section is sticked in said first latch; Said second engagement piece is drawn by said moving part and said first engagement piece; And make the 3rd elastic component be in extended state, when said first engagement section releases from from said first latch, said moving part is also released from; Said the 3rd elastic component can produce a pulling force, so that said the 3rd engagement section is sticked in said second wheel hub.
8. braking mechanism as claimed in claim 6; It is characterized in that; Said first engagement piece has a connecting hole, and said first wheel seat has a guide hole, and the second end of said moving part passes said connecting hole; Pass said guide hole again, make the first end of said moving part be stuck in said connecting hole place.
9. braking mechanism as claimed in claim 8; It is characterized in that; The width of the first end of said moving part is greater than the diameter of said connecting hole and said guide hole, and the width of the second end of said moving part is less than the diameter of said connecting hole and said guide hole.
10. braking mechanism as claimed in claim 6 is characterized in that, said second engagement piece has a perforation and a circular hole, and said perforation is connected with said circular hole, and the second end of said moving part passes from said perforation, thereby is stuck in said circular hole place.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/818,144 US8418816B2 (en) | 2009-06-30 | 2010-06-17 | Brake mechanism for stroller |
| GB1010922.1A GB2471566B (en) | 2009-06-30 | 2010-06-30 | Brake mechanism for stroller |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22156609P | 2009-06-30 | 2009-06-30 | |
| US61/221,566 | 2009-06-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101934811A CN101934811A (en) | 2011-01-05 |
| CN101934811B true CN101934811B (en) | 2012-07-18 |
Family
ID=42516696
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101794002A Active CN101934811B (en) | 2009-06-30 | 2009-09-30 | Braking mechanism for a baby carriage |
| CN2009202193037U Expired - Lifetime CN201525403U (en) | 2009-06-30 | 2009-09-30 | Fixing mechanism for baby carriage |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202193037U Expired - Lifetime CN201525403U (en) | 2009-06-30 | 2009-09-30 | Fixing mechanism for baby carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN101934811B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103770826B (en) * | 2012-10-24 | 2015-12-02 | 昆山市贝尔儿童用品有限公司 | Motion brake structure |
| CN103892621B (en) * | 2012-12-26 | 2016-11-09 | 宝钜儿童用品香港股份有限公司 | Braking mechanism and there is the children dinning chair of this braking mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2895186Y (en) * | 2006-04-30 | 2007-05-02 | 中山市隆成日用制品有限公司 | Baby's cycle synchronous brake structure |
| CN201189883Y (en) * | 2008-02-26 | 2009-02-04 | 中山市隆成日用制品有限公司 | Brake mechanism for baby's carriage |
| US7537093B2 (en) * | 2005-09-08 | 2009-05-26 | Wonderland Nurserygoods Co., Ltd. | Brake device for pushcart |
| CN201258004Y (en) * | 2008-07-31 | 2009-06-17 | 好孩子儿童用品有限公司 | Baby carriage braking structure |
-
2009
- 2009-09-30 CN CN2009101794002A patent/CN101934811B/en active Active
- 2009-09-30 CN CN2009202193037U patent/CN201525403U/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7537093B2 (en) * | 2005-09-08 | 2009-05-26 | Wonderland Nurserygoods Co., Ltd. | Brake device for pushcart |
| CN2895186Y (en) * | 2006-04-30 | 2007-05-02 | 中山市隆成日用制品有限公司 | Baby's cycle synchronous brake structure |
| CN201189883Y (en) * | 2008-02-26 | 2009-02-04 | 中山市隆成日用制品有限公司 | Brake mechanism for baby's carriage |
| CN201258004Y (en) * | 2008-07-31 | 2009-06-17 | 好孩子儿童用品有限公司 | Baby carriage braking structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN201525403U (en) | 2010-07-14 |
| CN101934811A (en) | 2011-01-05 |
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