CN101934811A - Braking mechanism for a childs pram - Google Patents
Braking mechanism for a childs pram Download PDFInfo
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- CN101934811A CN101934811A CN2009101794002A CN200910179400A CN101934811A CN 101934811 A CN101934811 A CN 101934811A CN 2009101794002 A CN2009101794002 A CN 2009101794002A CN 200910179400 A CN200910179400 A CN 200910179400A CN 101934811 A CN101934811 A CN 101934811A
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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 invention provides a kind of braking mechanism that is used for perambulator.Described perambulator comprises one first strut member and one first wheel, and described first wheel has a first wheel.Described braking mechanism comprises one first wheel seat, a ratchet, an operating parts and one first engagement piece.Described first wheel seat is connected in described first strut member, and described first wheel is articulated in described first wheel seat.Described ratchet is articulated in described first wheel seat, and described ratchet comprises one first roller seating space structure, and the described first roller seating space structure has a plurality of staggered first latches and second latch.Described operating parts is articulated in described first wheel seat, and described operating parts can be connected to described ratchet.Described first engagement piece is articulated in described first wheel seat and can be sticked in described second latch and the described first wheel of described ratchet simultaneously.Rotate to drive described ratchet when described operating parts is pressed, move, make described first engagement piece optionally be sticked in described first latch, and be sticked in one of them of described second latch thereby described ratchet drives described first engagement piece.
Described ratchet also comprises one second roller seating space structure, and the described second roller seating space structure has a plurality of the 3rd latches, and the roller seating space degree of depth of described first latch is less than the roller seating space degree of depth of described second latch.
Described braking mechanism comprises an actuator, described actuator is connected with described operating parts and is arranged on movably in described first wheel seat, described actuator has a drive division and an elastic portion, described drive division optionally is sticked in one of them of described a plurality of the 3rd latches, described elastic portion is connected to a madial wall of described operating parts, when described operating parts was pressed, described elastic portion can produce elastic deformation.
Have one first engagement section and one second engagement section at described first engagement piece, when described first engagement section is sticked in described first latch, described second engagement section releases from from described first wheel, when described first engagement section is sticked in described second latch, described second engagement section is sticked in described first wheel.
Described braking mechanism comprises one first elastic component in addition, one end of described first elastic component is connected in described operating parts, and the other end is connected in described first wheel seat, when described operating parts is pressed, described first elastic component can be stretched, when described operating parts was released, described first elastic component can produce a pulling force, so that described operating parts resets.
Described braking mechanism comprises one second elastic component in addition, one end of described second elastic component is connected in described first wheel seat, and the other end is connected in described first engagement piece, when described first engagement section is sticked in described first latch, described second elastic component is in extended state, when described first engagement section releases from from described first latch, described second elastic component can produce a pulling force, so that described first engagement section is sticked in described second latch.
Described perambulator comprises one second strut member and one second wheel in addition, and described second wheel has one second wheel hub.Described braking mechanism comprises one second wheel seat, one second engagement piece and a moving part in addition.Described second wheel seat is connected in described second strut member, and described second wheel is articulated in described second wheel seat.Described second engagement piece is articulated in described second wheel seat, and described second engagement piece has one the 3rd engagement section.The first end of described moving part is connected in described first engagement piece, and the second end is connected in described second engagement piece.When described first engagement section is sticked in described first latch, described second engagement section releases from from described first wheel, and described the 3rd engagement section releases from from described second wheel hub.When described first engagement section is sticked in described second latch, described second engagement section is sticked in described first wheel, and described the 3rd engagement section is sticked in described second wheel hub.
Described braking mechanism comprises one the 3rd elastic component in addition, and an end of described the 3rd elastic component is connected in described second wheel seat, and the other end is connected in described second engagement piece.When described first engagement section is sticked in described first latch, described second engagement piece is subjected to described moving part and described first engagement piece dilatory, and makes the 3rd elastic component be in extended state.When described first engagement section releases from from described first latch, described moving part is also released from, and described the 3rd elastic component can produce a pulling force, so that described the 3rd engagement section is sticked in described second wheel hub.
Described first engagement piece has a connecting hole, and described first wheel seat has a guide hole, and the second end of described moving part passes described connecting hole, passes described guide hole again, makes the first end of described moving part be stuck in described connecting hole place.
The width of the first end of described moving part is greater than the diameter of described connecting hole and described guide hole, and the width of the second end of described moving part is less than the diameter of described connecting hole and described guide hole.
Described second engagement piece has a perforation and a circular hole, and described perforation is connected with described circular hole, and the second end of described moving part passes from described perforation, thereby is stuck in described circular hole place.
According to technique scheme, the braking mechanism that is used for perambulator of the present invention has following 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 allow simultaneously the user in case of emergency can be fast and synchronously finish the brake of perambulator left and right wheels, reducing the generation probability that perambulator rolling moves or spins widely, and then guarantee to be sitting in the safety of child in the perambulator.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, in order to more clearly understand technological means of the present invention, and can be implemented according to the content of specification sheets, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by a plurality of embodiment, and conjunction with figs., be described in detail 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 among Fig. 3 and the scheme drawing on the actuator.
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 among Fig. 3 and the assembling scheme drawing of second engagement piece.
Fig. 9 is moving part among Fig. 3 and second engagement piece 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 by first wheel shaft 32, and second wheel seat 24 is articulated in second wheel 56 by second wheel shaft 34.In addition, first wheel seat 10 removably is connected in first strut member 50 by first shell fragment 58, and second wheel seat 24 removably is connected in second strut member 52 by 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 by 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.It should be noted that 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.
As 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 by first wheel shaft 32, makes operating parts 16 can pivot by relative first wheel shaft 32 with ratchet 12.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 be subjected to 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 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 described 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.
As 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, when first engagement section 184 is sticked in first latch 1200 of ratchet 12,186 of second engagement sections enter 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 by 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) by a riveting parts (not being shown among the figure) mutually with second wheel seat 24, 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 is subjected to the effect of the 3rd elastic component 30 and breaks away from recess 240.
Please refer to Fig. 4 and Figure 10 to Figure 13.As user's desire braking mechanism 1 is converted to lock-out state (as Figure 12 and shown in Figure 13) from release the lock state (as Figure 10 and shown in Figure 11), 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 deformation, make the drive division 140 of actuator 14 to move, cross the 3rd present latch 1220 and be subjected to the elastic restoring force effect of elastic portion 142 and snap into next the 3rd latch 1220 up to drive division 140 to the direction of elastic portion 142.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 spur 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 by 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.
As user's desire braking mechanism 1 is converted to release the lock state (as Figure 10 and shown in Figure 11) from lock-out state (as Figure 12 and shown in Figure 13), similarly, 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 deformation, make the drive division 140 of actuator 14 to move, cross the 3rd present latch 1220 and be subjected to the elastic restoring force effect of elastic portion 142 and snap into next the 3rd latch 1220 up to drive division 140 to the direction of elastic portion 142.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, make the 3rd engagement section 266 of second engagement piece 26 engage, thereby realize the release the lock of second wheel, 56 brakes with second wheel hub, 560 disengagings of second wheel 56.In the equal release the lock in braking mechanism 1 left and right sides, operating parts 16 can rotate up by 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 following 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 allow simultaneously the user in case of emergency can be fast and synchronously finish the brake of perambulator left and right wheels, reducing the generation probability that perambulator rolling moves or spins widely, and then guarantee to be sitting in the safety of child in the perambulator.
The above only is 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 (11)
1. braking mechanism that is used for perambulator, described perambulator comprises one first strut member and one first wheel, it is characterized in that, and described first wheel has a first wheel, and described braking mechanism comprises:
One first wheel seat is connected in described first strut member, and described first wheel is articulated in described first wheel seat;
One ratchet is articulated in described first wheel seat, and described ratchet comprises one first roller seating space structure, and the described first roller seating space structure has a plurality of staggered first latches and second latch;
One operating parts is articulated in described first wheel seat, and described operating parts can be connected to described ratchet; And
One first engagement piece is articulated in described first wheel seat and can be sticked in described second latch and the described first wheel of described ratchet simultaneously;
Wherein, rotate to drive described ratchet, move, make described first engagement piece optionally be sticked in described first latch, and be sticked in one of them of described second latch thereby described ratchet drives described first engagement piece when described operating parts is pressed.
2. braking mechanism as claimed in claim 1 is characterized in that, described ratchet also comprises one second roller seating space structure, and the described second roller seating space structure has a plurality of the 3rd latches, and the roller seating space degree of depth of described first latch is less than the roller seating space degree of depth of described second latch.
3. braking mechanism as claimed in claim 2, it is characterized in that, described braking mechanism comprises an actuator, described actuator is connected with described operating parts and is arranged on movably in described first wheel seat, described actuator has a drive division and an elastic portion, and described drive division optionally is sticked in one of them of described a plurality of the 3rd latches, and described elastic portion is connected to a madial wall of described operating parts, when described operating parts was pressed, described elastic portion can produce elastic deformation.
4. braking mechanism as claimed in claim 1, it is characterized in that, described first engagement piece has one first engagement section and one second engagement section, when described first engagement section is sticked in described first latch, described second engagement section releases from from described first wheel, when described first engagement section is sticked in described second latch, described second engagement section is sticked in described first wheel.
5. braking mechanism as claimed in claim 1, it is characterized in that, described braking mechanism comprises one first elastic component in addition, one end of described first elastic component is connected in described operating parts, and the other end is connected in described first wheel seat, when described operating parts is pressed, described first elastic component can be stretched, when described operating parts was released, described first elastic component can produce a pulling force, so that described operating parts resets.
6. braking mechanism as claimed in claim 1, it is characterized in that, described braking mechanism comprises one second elastic component in addition, one end of described second elastic component is connected in described first wheel seat, and the other end is connected in described first engagement piece, when described first engagement section is sticked in described first latch, described second elastic component is in extended state, when described first engagement section releases from from described first latch, described second elastic component can produce a pulling force, so that described first engagement section is sticked in described second latch.
7. braking mechanism as claimed in claim 4 is characterized in that, described perambulator comprises one second strut member and one second wheel in addition, and described second wheel has one second wheel hub, and described braking mechanism comprises in addition:
One second wheel seat is connected in described second strut member, and described second wheel is articulated in described second wheel seat;
One second engagement piece is articulated in described second wheel seat, and described second engagement piece has one the 3rd engagement section; And
One moving part, the first end of described moving part is connected in described first engagement piece, and the second end is connected in described second engagement piece, when described first engagement section is sticked in described first latch, described second engagement section releases from from described first wheel, and described the 3rd engagement section releases from from described second wheel hub, when described first engagement section is sticked in described second latch, described second engagement section is sticked in described first wheel, and described the 3rd engagement section is sticked in described second wheel hub.
8. braking mechanism as claimed in claim 7, it is characterized in that, described braking mechanism comprises one the 3rd elastic component in addition, one end of described the 3rd elastic component is connected in described second wheel seat, and the other end is connected in described second engagement piece, when described first engagement section is sticked in described first latch, described second engagement piece is drawn by described moving part and described first engagement piece, and make the 3rd elastic component be in extended state, when described first engagement section releases from from described first latch, described moving part is also released from, and described the 3rd elastic component can produce a pulling force, so that described the 3rd engagement section is sticked in described second wheel hub.
9. braking mechanism as claimed in claim 7, it is characterized in that, described first engagement piece has a connecting hole, described first wheel seat has a guide hole, the second end of described moving part passes described connecting hole, pass described guide hole again, make the first end of described moving part be stuck in described connecting hole place.
10. braking mechanism as claimed in claim 9, it is characterized in that, the width of the first end of described moving part is greater than the diameter of described connecting hole and described guide hole, and the width of the second end of described moving part is less than the diameter of described connecting hole and described guide hole.
11. braking mechanism as claimed in claim 7 is characterized in that, described second engagement piece has a perforation and a circular hole, and described perforation is connected with described circular hole, and the second end of described moving part passes from described perforation, thereby is stuck in described 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 true CN101934811A (en) | 2011-01-05 |
| CN101934811B CN101934811B (en) | 2012-07-18 |
Family
ID=42516696
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202193037U Expired - Lifetime CN201525403U (en) | 2009-06-30 | 2009-09-30 | Fixing mechanism for baby carriage |
| CN2009101794002A Active CN101934811B (en) | 2009-06-30 | 2009-09-30 | Braking mechanism for a baby carriage |
Family Applications Before (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) | CN201525403U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103770826A (en) * | 2012-10-24 | 2014-05-07 | 昆山市贝尔儿童用品有限公司 | Motion brake structure |
| CN103892621A (en) * | 2012-12-26 | 2014-07-02 | 宝钜儿童用品香港股份有限公司 | Brake mechanism and child dinning chair with brake mechanism |
Family Cites Families (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 |
-
2009
- 2009-09-30 CN CN2009202193037U patent/CN201525403U/en not_active Expired - Lifetime
- 2009-09-30 CN CN2009101794002A patent/CN101934811B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103770826A (en) * | 2012-10-24 | 2014-05-07 | 昆山市贝尔儿童用品有限公司 | Motion brake structure |
| CN103770826B (en) * | 2012-10-24 | 2015-12-02 | 昆山市贝尔儿童用品有限公司 | Motion brake structure |
| CN103892621A (en) * | 2012-12-26 | 2014-07-02 | 宝钜儿童用品香港股份有限公司 | Brake mechanism and child dinning chair with brake mechanism |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101934811B (en) | 2012-07-18 |
| CN201525403U (en) | 2010-07-14 |
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