CN107757688B - Baby carriage - Google Patents
Baby carriage Download PDFInfo
- Publication number
- CN107757688B CN107757688B CN201711156189.3A CN201711156189A CN107757688B CN 107757688 B CN107757688 B CN 107757688B CN 201711156189 A CN201711156189 A CN 201711156189A CN 107757688 B CN107757688 B CN 107757688B
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- China
- Prior art keywords
- rotating
- brake
- rotating sleeve
- transverse shaft
- locking
- Prior art date
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- 238000005452 bending Methods 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/062—Coupling unit between front wheels, rear wheels and handle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/064—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable the handle bar being parallel to the front leg
- B62B7/066—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable the handle bar being parallel to the front leg the handle bar moves in parallel relation during folding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
- B62B7/083—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis the wheel axes being moved from each other during folding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
- B62B7/086—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis becoming smaller in all three dimensions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/10—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable by folding down the body to the wheel carriage or by retracting projecting parts into the box-shaped body
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
- B62B9/08—Braking mechanisms; Locking devices against movement
- B62B9/082—Braking mechanisms; Locking devices against movement foot operated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
- B62B9/08—Braking mechanisms; Locking devices against movement
- B62B9/087—Braking mechanisms; Locking devices against movement by locking in a braking position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
- B62B9/20—Handle bars; Handles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
- B62B2205/20—Catches; Locking or releasing an articulation
- B62B2205/22—Catches; Locking or releasing an articulation remotely controlled, e.g. from the handlebar
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/06—Hand moving equipment, e.g. handle bars
- B62B5/067—Stowable or retractable handle bars
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Braking Elements And Transmission Devices (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The invention discloses a baby carriage, which comprises a first supporting leg and a second supporting leg which are connected with wheels, wherein a transverse shaft is arranged on the first supporting leg, a first rotating sleeve capable of rotating relative to the transverse shaft is connected on the transverse shaft, a second rotating sleeve capable of rotating relative to the transverse shaft only after the first rotating sleeve rotates is also connected on the transverse shaft, the lower end of the second rotating sleeve is connected with the second supporting leg, a locking device capable of preventing the first rotating sleeve from rotating is arranged between the first rotating sleeve and the transverse shaft, a supporting rod capable of rotating along with the first rotating sleeve is connected at the upper end of the first rotating sleeve, a hand pushing rod capable of sliding up and down in the supporting rod and driving the locking device to unlock is arranged in the supporting rod, and a locking device for locking the hand pushing rod and the supporting rod is arranged between the hand pushing rod and the supporting rod. The folding device is simple in structure, convenient to operate and small in size after folding.
Description
[ Field of technology ]
The present invention relates to a stroller.
[ Background Art ]
At present, the baby carriage is an indispensable article for the growth process of children. The baby carriages on the market can be folded or unfolded generally, but the existing baby carriage has a complex framework structure and still has a larger volume after folding. Therefore, a baby carriage which is convenient to use, simple in structure and small in size after being folded is highly desired. In addition, the unlocking of the braking state of the traditional baby carriage requires the pedal to be lifted upwards by the instep to drive the pedal to rotate and unlock, so that the operation is laborious, the operation is very inconvenient, and the shoes can be damaged after long-time operation.
Thus, the present invention has been completed.
[ Invention ]
The invention aims to overcome the defects of the prior art and provide the baby carriage which has the advantages of simple structure, convenient operation and small volume after folding.
The invention is realized by the following technical scheme:
A stroller, characterized in that: including first supporting leg 1 and the second supporting leg 2 that are connected with wheel 100, first supporting leg 1 on be equipped with horizontal transverse shaft 3, transverse shaft 3 on be connected with and to rotate relative its first cover 4 that rotates, transverse shaft 3 on still be connected with only rotate cover 4 after rotating relative transverse shaft 3 pivoted second cover 5, second cover 5 lower extreme connect second supporting leg 2, first cover 4 and transverse shaft 3 between be equipped with and prevent first cover 4 pivoted locking device 6, first cover 4 upper end be connected with and to rotate along with it bracing piece 7, bracing piece 7 in be equipped with and slide in it from top to bottom and can drive locking device 6 unlocking's pole 8 down after sliding, bracing piece 8 and bracing piece 7 between be equipped with the locking device 9 of locking two.
The stroller as described above, wherein: the locking device 6 comprises a locking pin 61 which is arranged in the transverse shaft 3 and can slide along the transverse shaft 3 in the radial direction, the first rotating sleeve 4 is provided with a locking groove 62 for the locking pin 61 to be inserted, the end part of the locking pin 61 is an arc surface, the lower end of the hand push rod 8 is provided with an arc surface groove 63 matched with the end part of the locking pin 61, and a first spring 64 which can keep the locking pin 61 in the locking groove 62 is arranged between the locking pin 61 and the transverse shaft 3.
The stroller as described above, wherein: the locking device 9 comprises an articulated arm 91 hinged on the hand push rod 8, wherein the articulated arm 91 is provided with a locking part 92 extending towards one side of the articulated arm, the supporting rod 7 is provided with a locking hole 93 for locking one end of the locking part 92, the articulated arm 91 is also provided with an extension arm 94 extending towards the other side of the articulated arm, the hand push rod 8 is internally provided with a dragline 95 connected with the extension arm 94 to pull the articulated arm 91 to rotate, and a second spring 96 which enables the locking part 92 to be locked with the locking hole 93 is further arranged between the hand push rod 8 and the articulated arm 91.
The stroller as described above, wherein: the second rotating sleeve 5 on be equipped with spacing hole 10 along its circumference direction, horizontal axle 3 on establish the projecting column 11 that penetrates spacing hole 10, the second rotating sleeve 5 on still be equipped with spacing groove 12 along its circumference direction, first rotating sleeve 4 on be equipped with the spacing column 13 that blocks into spacing groove 12, when the perambulator is expanded, spacing column 13 and projecting column 11 jack-up spacing groove 12 and the lateral wall of spacing hole 10 respectively and prevent second rotating sleeve 5 rotation.
The stroller as described above, wherein: the lower ends of the second supporting legs 2 are provided with brake assemblies 14 capable of limiting the rotation of the wheels 100, the brake assemblies 14 comprise first brake seats 141 and second brake seats 142 which are respectively arranged at the lower ends of the two second supporting legs 2, the first brake seats 141 and the second brake seats 142 are connected with the wheels 100, the first brake seats 141 are connected with rotating pedals 143 which can rotate relatively to each other after being stepped on by feet and can drive brake pins 140 to lock the wheels 100 when rotating, a first reset spring 144 capable of driving the rotating pedals 143 to rotate and reset is arranged between the rotating pedals 143 and the first brake seats 141, a rotating block 146 which is connected with the rotating pedals 143 through a transverse shaft 145 and can rotate along with the rotating pedals 143 is arranged in the second brake seats 142, a second reset spring 147 capable of driving the rotating blocks 146 to rotate and reset is arranged between the rotating blocks 146 and the second brake seats 142, and a driving part 15 capable of enabling the brake assemblies 14 to keep a braking state and enabling the brake assemblies 14 to unlock after being stepped on by feet is also arranged on the second brake seats 142.
The stroller as described above, wherein: the driving part 15 comprises an arc hole 151 arranged on the rotating block 146 and extending along the circumferential direction of the rotating block 146, a bar hole 152 communicated with the arc hole 151 and extending along the radial direction of the rotating block 146 is further arranged on the rotating block 146, a treading piece 153 capable of being treaded is connected on the second brake seat 142, a clamping column 154 capable of being clamped into the bar hole 152 and the arc hole 151 is arranged on the treading piece 153, and a third spring 155 capable of enabling the clamping column 154 to be kept in the bar hole 152 is further arranged between the treading piece 153 and the second brake seat 142.
The stroller as described above, wherein: the treading piece 153 comprises a hinging rod 1531 hinged with the second brake seat 142, the hinging rod 1531 is provided with an upward bending rod 1532, the bending rod 1532 is provided with a treading part 1533 exposed out of the second brake seat 142, and the clamping column 154 is arranged on the hinging rod 1531 or the bending rod 1532.
The stroller as described above, wherein: the second brake seat 142 is provided with a spring slot 156, the bending rod 1532 is provided with a protruding portion 157, the third spring 155 is disposed in the spring slot 156, and the upper end of the third spring 155 abuts against the protruding portion 157.
The stroller as described above, wherein: the rotating pedal 143 is provided with a first concave arc-shaped groove 148a, the inner wall of the first brake seat 141 is provided with a first limit boss 148b which can extend into the first arc-shaped groove 148a, and the first return spring 144 is arranged between the groove wall of the first arc-shaped groove 148a and the first limit boss 148 b; the rotating block 146 is provided with a second concave arc-shaped groove 149a, the inner wall of the second brake seat 142 is provided with a second limit boss 149b capable of extending into the second arc-shaped groove 149a, and the second return spring 147 is arranged between the wall of the second arc-shaped groove 149a and the second limit boss 149 b.
The stroller as described above, wherein: the baby carriage also comprises a fixing and locking part 16 which can keep the baby carriage in a folded state, the fixing and locking part 16 comprises a sliding part 161 which can slide up and down relative to the support rod 7 or the first rotating sleeve 4, an inserting hole is formed in the transverse shaft 3, a bolt 162 which can be clamped with the inserting hole after the first rotating sleeve 4 rotates is connected to the sliding part 161, and a fourth spring which can keep the bolt 162 clamped with the inserting hole is further arranged between the sliding part 161 and the support rod 7 or the first rotating sleeve 4.
Compared with the prior art, the invention has the following advantages:
1. When the baby carriage is folded, the locking device is unlocked firstly, the push rod is pushed to slide downwards in the support rod, the locking device is driven to unlock when the lower end of the push rod is retracted to a certain position in the support rod, the first rotating sleeve can rotate relative to the transverse shaft, the upper end of the support rod is closed towards the second support leg, and after the first rotating sleeve rotates, the second rotating sleeve can rotate relative to the transverse shaft, so that after the support rod is closed towards the second support leg, the second support leg and the support rod can be closed towards the first support leg only by lifting the transverse shaft upwards, and the folding of the whole baby carriage is realized. The whole baby carriage has the advantages of simple structure, convenient folding, small volume after folding and convenient carrying.
2. When the baby carriage is unfolded, the protruding column and the limiting column respectively prop against the side walls of the limiting hole and the limiting groove, so that the second rotating sleeve is prevented from rotating. When the first rotating sleeve rotates, the limiting column on the first rotating sleeve slides in the limiting groove, and the limiting column does not lean against the groove wall of the limiting groove any more, so that the second rotating sleeve can rotate relative to one side of the first supporting leg in the transverse axial direction. The protruding column is in abutting fit with the hole wall of the limiting hole, so that the second supporting leg of the unfolded baby carriage can be prevented from rotating in the direction away from the first supporting leg. The whole structural design is ingenious, so that the interlocking control of the folding actions of the support rod and the second support leg is realized when the baby carriage is folded, and the baby carriage is more compact in structure.
3. When the baby carriage needs to be braked, only the rotating pedal is needed to be stepped on by feet, and the brake pin is driven to be clamped into the wheel when the rotating pedal rotates, so that the braking is realized. When the rotating pedal rotates, the rotating pedal drives the rotating block in the second brake seat to rotate through the transverse shaft, at the moment, the first reset spring and the second reset spring are compressed, and the clamping column in the arc-shaped hole moves into the strip-shaped hole when the rotating block rotates. The clamping column is clamped into the strip-shaped hole, so that the rotating block cannot rotate continuously, and the braking state of the baby carriage is maintained. When the baby carriage needs to walk, the pedal piece is stepped downwards by feet, the clamping column is withdrawn from the strip-shaped hole and enters the arc-shaped hole, the clamping column can not limit the rotation of the rotating block, the second reset spring drives the rotating block to rotate, and the clamping column continuously slides into the arc-shaped hole, so that the braking state of the baby carriage is relieved. Therefore, the braking or braking unlocking of the baby carriage is completed through the action of stepping down by feet, the unlocking mode that the traditional baby carriage needs to lift the brake pedal upwards by the instep is changed, the operation is simpler, more convenient and quicker, and the shoe can not be damaged even if the sole is stressed.
4. The folding device has the advantages of simple and compact structure, small folding volume, convenient operation and low cost, and is suitable for popularization and application.
[ Description of the drawings ]
FIG. 1 is one of the perspective views of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is an exploded view of the present invention;
fig. 4 is an enlarged view at a in fig. 3;
FIG. 5 is an exploded view of the components of the present invention;
FIG. 6 is a cross-sectional view of the present invention;
fig. 7 is an enlarged view at B in fig. 6;
fig. 8 is an enlarged view at C in fig. 6;
FIG. 9 is one of the perspective views of the components of the present invention;
FIG. 10 is a second perspective view of the component of the present invention;
FIG. 11 is a third perspective view of the components of the present invention;
FIG. 12 is one of the exploded views of the components of the present invention;
FIG. 13 is a perspective view of the rotating pedal of the present invention;
Fig. 14 is a second exploded view of the components of the present invention.
[ Detailed description ] of the invention
The invention is further described below with reference to the accompanying drawings:
As shown in fig. 1 to 8, a stroller comprises a first supporting leg 1 and a second supporting leg 2, wherein the first supporting leg 1 is connected with wheels 100, a transverse shaft 3 is arranged on the first supporting leg 1, a first rotating sleeve 4 capable of rotating relative to the transverse shaft 3 is connected on the transverse shaft 3, a second rotating sleeve 5 capable of rotating relative to the transverse shaft 3 only after the first rotating sleeve 4 rotates is also connected on the transverse shaft 3, the lower end of the second rotating sleeve 5 is connected with the second supporting leg 2, a locking device 6 capable of preventing the first rotating sleeve 4 from rotating is arranged between the first rotating sleeve 4 and the transverse shaft 3, a supporting rod 7 capable of rotating along with the first rotating sleeve is connected at the upper end of the first rotating sleeve, a hand pushing rod 8 capable of sliding up and down in the transverse shaft 7 and driving the locking device 6 to unlock is arranged in the supporting rod 7, and a locking device 9 capable of locking the hand pushing rod 8 and the supporting rod 7 is arranged between the hand pushing rod 8 and the supporting rod 7. When the baby carriage is folded, the locking device 9 is unlocked firstly, the push rod 8 is pushed to slide downwards in the support rod 7, the locking device 6 is driven to unlock when the lower end of the push rod 8 is retracted to a certain position in the support rod 7, the first rotating sleeve 4 can rotate relative to the transverse shaft 3, the upper end of the support rod 7 is closed towards the second support leg 2, and after the first rotating sleeve 4 rotates, the second rotating sleeve 5 can rotate relative to the transverse shaft 3, so that after the support rod 7 is closed towards the second support leg 2, the transverse shaft 3 is lifted upwards, and the second support leg 2 and the support rod 3 can be closed towards the first support leg 1, so that the whole baby carriage is folded. The whole baby carriage has the advantages of simple structure, convenient folding, small volume after folding and convenient carrying.
As shown in fig. 6 and 8, the locking device 6 includes a locking pin 61 disposed in the transverse shaft 3 and capable of sliding radially along the transverse shaft 3, the first rotating sleeve 4 is provided with a locking groove 62 for inserting the locking pin 61, the end of the locking pin 61 is a cambered surface, the lower end of the push rod 8 is provided with a cambered surface groove 63 matched with the end of the locking pin 61, and a first spring 64 capable of keeping the locking pin 61 in the locking groove 62 is disposed between the locking pin 61 and the transverse shaft 3.
As shown in fig. 2,6 and 7, the locking device 9 includes an articulated arm 91 hinged to the hand push rod 8, the articulated arm 91 is provided with a locking portion 92 extending to one side of the articulated arm, the support rod 7 is provided with a locking hole 93 for locking one end of the locking portion 92, the articulated arm 91 is further provided with an extension arm 94 extending to the other side of the articulated arm, the hand push rod 8 is provided with a pull rope 95 connected with the extension arm 94 to pull the articulated arm 91 to rotate, and a second spring 96 for enabling the locking portion 92 to be locked with the locking hole 93 is further arranged between the hand push rod 8 and the articulated arm 91.
As shown in fig. 3 to 5, the second rotating sleeve 5 is provided with a limiting hole 10 along the circumferential direction thereof, the transverse shaft 3 is provided with a protruding column 11 penetrating into the limiting hole 10, the second rotating sleeve 5 is further provided with a limiting groove 12 along the circumferential direction thereof, the first rotating sleeve 4 is provided with a limiting column 13 clamped into the limiting groove 12, and when the stroller is unfolded, the limiting column 13 and the protruding column 11 respectively prop against the side walls of the limiting hole 10 and the limiting groove 12 to prevent the second rotating sleeve 5 from rotating. When the first rotating sleeve 4 rotates, the limiting column 13 on the first rotating sleeve 4 slides in the limiting groove 12, and the limiting column 13 does not abut against the groove wall of the limiting groove 12 any more, so that the second rotating sleeve 5 can rotate towards one side of the first supporting leg 1 relative to the transverse shaft 3. The protruding column 11 is in abutting fit with the hole wall of the limit hole 10, so that the second support leg 2 of the unfolded stroller can be prevented from rotating in a direction away from the first support leg 1. The whole structural design is ingenious, so that the interlocking control of the folding actions of the supporting rod 7 and the second supporting leg 2 is realized when the baby carriage is folded, and the baby carriage is more compact in structure.
As shown in fig. 1,2 and 9 to 11, the lower end of the second supporting leg 2 is provided with a brake assembly 14 capable of limiting the rotation of the wheel 100, the brake assembly 14 comprises a first brake seat 141 and a second brake seat 142 which are respectively arranged at the lower ends of the two second supporting legs 2, the first brake seat 141 and the second brake seat 142 are connected with the wheel 100, the first brake seat 141 is connected with a rotating pedal 143 which can rotate relative to the first brake seat after being stepped by a foot and can drive a brake pin 140 to lock the wheel 100 when rotating, a first reset spring 144 capable of driving the rotating pedal 143 to reset is arranged between the rotating pedal 143 and the first brake seat 141, a rotating block 146 which is connected with the rotating pedal 143 through a transverse shaft 145 and can rotate along with the rotating pedal 143 is arranged in the second brake seat 142, a second reset spring 147 capable of driving the rotating block 146 to reset is arranged between the rotating block 146 and the second brake seat 142, and a brake assembly 14 is also arranged on the second brake seat 142 and can drive the brake assembly 15 to unlock after being kept in a brake assembly 14 to rotate.
As shown in fig. 10, 11, 12 and 14, the driving part 15 includes an arc hole 151 formed in the rotating block 146 and extending along the circumferential direction of the rotating block 146, the rotating block 146 is further provided with a bar hole 152 communicated with the arc hole 151 and extending along the radial direction of the rotating block 146, the second brake seat 142 is connected with a treading part 153 capable of being treaded, the treading part 153 is provided with a clamping column 154 capable of being clamped into the bar hole 152 and the arc hole 151, and a third spring 155 capable of keeping the clamping column 154 in the bar hole 152 is further arranged between the treading part 153 and the second brake seat 142.
As shown in fig. 11, the pedal 153 includes a hinge rod 1531 hinged to the second brake seat 142, the hinge rod 1531 is provided with a bending rod 1532 bent upwards, the bending rod 1532 is provided with a pedal portion 1533 exposed from the second brake seat 142, and the clip 154 is provided on the hinge rod 1531 or the bending rod 1532.
As shown in fig. 14, the second brake seat 142 is provided with a spring slot 156, the bending rod 1532 is provided with a protrusion 157, the third spring 155 is disposed in the spring slot 156, and the upper end of the third spring 155 abuts against the protrusion 157.
As shown in fig. 10 and 11, the rotating pedal 143 is provided with a first concave arc-shaped slot 148a, the inner wall of the first brake seat 141 is provided with a first limit boss 148b capable of extending into the first arc-shaped slot 148a, and the first return spring 144 is arranged between the slot wall of the first arc-shaped slot 148a and the first limit boss 148 b; the rotating block 146 is provided with a second concave arc-shaped groove 149a, the inner wall of the second brake seat 142 is provided with a second limit boss 149b capable of extending into the second arc-shaped groove 149a, and the second return spring 147 is arranged between the wall of the second arc-shaped groove 149a and the second limit boss 149 b.
As shown in fig. 2 and 4, the stroller further includes a locking member 16 capable of maintaining a folded state, the locking member 16 includes a sliding portion 161 capable of sliding up and down relative to the support rod 7 or the first rotating sleeve 4, an insertion hole (not shown in the drawing) is provided on the transverse shaft 3, the sliding portion 161 is connected with a latch 162 capable of being engaged with the insertion hole after the first rotating sleeve 4 rotates, and a fourth spring (not shown in the drawing) capable of maintaining the latch 162 engaged with the insertion hole is further provided between the sliding portion 161 and the support rod 7 or the first rotating sleeve 4. When the first rotating sleeve 4 rotates, the end of the latch 162 slides on the outer peripheral wall of the transverse shaft 3, and when the latch 162 is aligned with the insertion hole on the transverse shaft 3, the latch 162 is engaged with the insertion hole by the elastic force of the fourth spring, so that the folded state of the stroller is maintained. When the stroller needs to be unfolded, the sliding portion 161 is pulled upward, and then the first rotating sleeve 4 is rotated.
As shown in fig. 13, the rotating pedal 143 is provided with a groove 143a with an inclined side wall, and when the rotating pedal 143 rotates, the inclined side wall of the groove 143a pushes the brake pin 140 to move laterally and clip into a brake hole (not shown) of the wheel 100, and the first brake seat 141 is further provided with a third return spring (not shown) capable of pushing the brake pin 140 to move laterally and return. Of course, the same groove with an inclined surface can be provided on the rotating block 146, so that the rotating block 146 can push the brake pin to lock the wheels when rotating, and thus both wheels can be locked.
Working principle:
when it is desired to fold the stroller, the pull cord 95 is pulled and the hinge arm 91 is rotated, the second spring 96 is compressed, and the latch 92 is withdrawn from the latch hole 93 in the support bar 7 (see fig. 7). At this time, the hand push rod 8 can be pushed downwards, the hand push rod 8 slides downwards in the supporting rod 7, the lower end of the hand push rod 8 touches the locking pin 61 and pushes the locking pin 61 out of the locking groove 62 on the first rotating sleeve 4, and at this time, the arc-shaped groove 63 at the lower end of the hand push rod 8 and the inner wall of the first rotating sleeve 4 enclose a circular arc shape, so that the first rotating sleeve 4 can rotate relative to the transverse shaft 3, and the supporting rod 7 and the hand push rod 8 also rotate to close and fold towards the second supporting leg 2.
As shown in fig. 4 and 5, in the rotation process of the first rotating sleeve 4, the limiting post 13 on the first rotating sleeve 4 slides in the limiting groove 12, and the limiting post 13 no longer abuts against the groove wall of the limiting groove 12, so that the second rotating sleeve 5 can rotate towards one side of the first supporting leg 1 relative to the transverse shaft 3. At this time, as long as the transverse shaft 3 is lifted upwards, the second rotating sleeve 5 can rotate relative to the transverse shaft 3, and at this time, the second supporting leg 2 and the supporting rod 7 are close to and folded with the first supporting leg 1. And when the first rotating sleeve 4 rotates to the fully folded position, the latch 162 on the sliding part 161 is aligned and engaged with the socket on the transverse shaft 3, so that the folded state of the baby carriage is maintained.
As shown in fig. 9 to 14, when the stroller needs to be braked, the rotating pedal 143 is depressed downward, and the brake pin 140 is driven to be engaged with the wheel 100 when the rotating pedal 143 rotates, thereby realizing braking. When the rotating pedal 143 rotates, the rotating pedal 143 drives the rotating block 146 in the second brake seat 142 to rotate through the transverse shaft 145, at this time, the first return spring 144 and the second return spring 147 are compressed, when the rotating block 146 rotates, and when the clamping post 154 in the arc-shaped hole 151 aligns with the strip-shaped hole 152, the third spring 155 pushes the treading piece 15 to move upwards, and the clamping post 154 moves into the strip-shaped hole 152. The locking posts 154 are locked into the bar-shaped holes 152, so that the rotating block 146 cannot rotate continuously, and the braking state of the stroller is maintained. When the stroller needs to walk, the foot steps down on the treading member 153, the clamping column 154 is withdrawn from the bar-shaped hole 152 and enters the arc-shaped hole 151, at this time, the clamping column 154 cannot limit the rotation of the rotating block 146, the second return spring 147 drives the rotating block 146 to rotate, the first return spring 144 drives the rotating pedal 143 to rotate, the clamping column 154 continues to slide into the arc-shaped hole 151 in the rotating process of the rotating block 146, at this time, the third spring 155 is compressed, and the braking state of the stroller is released.
Claims (4)
1. A stroller, characterized in that: the novel bicycle comprises a first supporting leg (1) and a second supporting leg (2) which are connected with wheels (100), wherein a transverse shaft (3) is arranged on the first supporting leg (1), a first rotating sleeve (4) which can rotate relative to the transverse shaft is connected to the transverse shaft (3), a second rotating sleeve (5) which can rotate relative to the transverse shaft (3) only after the first rotating sleeve (4) rotates is also connected to the transverse shaft (3), the lower end of the second rotating sleeve (5) is connected with the second supporting leg (2), a locking device (6) which can prevent the first rotating sleeve (4) from rotating is arranged between the first rotating sleeve (4) and the transverse shaft (3), a supporting rod (7) which can rotate along with the first rotating sleeve is connected to the transverse shaft (3), a hand pushing rod (8) which can slide up and down in the supporting rod (7) and can drive the locking device (6) after the first rotating sleeve rotates downwards is arranged in the supporting rod (7), and a locking device (9) is arranged between the supporting rod (8) and the hand pushing rod (7);
The locking device (6) comprises a locking pin (61) which is arranged in the transverse shaft (3) and can slide along the transverse shaft (3) in the radial direction, a locking groove (62) into which the locking pin (61) can be inserted is formed in the first rotating sleeve (4), the end part of the locking pin (61) is an arc surface, an arc surface groove (63) matched with the end part of the locking pin (61) is formed in the lower end of the hand pushing rod (8), and a first spring (64) which can enable the locking pin (61) to be kept in the locking groove (62) is further arranged between the locking pin (61) and the transverse shaft (3); the locking device (9) comprises an articulated arm (91) hinged on a hand push rod (8), wherein a locking part (92) extending towards one side of the articulated arm (91) is arranged on the articulated arm (91), a locking hole (93) for locking one end of the locking part (92) is formed in the supporting rod (7), an extension arm (94) extending towards the other side of the articulated arm (91) is further arranged on the articulated arm (91), a pull rope (95) connected with the extension arm (94) and used for pulling the articulated arm (91) to rotate is arranged in the hand push rod (8), and a second spring (96) capable of enabling the locking part (92) to be locked with the locking hole (93) is further arranged between the hand push rod (8) and the articulated arm (91);
The baby stroller is characterized in that a limiting hole (10) is formed in the second rotating sleeve (5) along the circumferential direction of the second rotating sleeve, a protruding column (11) penetrating into the limiting hole (10) is arranged on the transverse shaft (3), a limiting groove (12) is further formed in the second rotating sleeve (5) along the circumferential direction of the second rotating sleeve, a limiting column (13) clamped into the limiting groove (12) is arranged on the first rotating sleeve (4), and when the baby stroller is unfolded, the limiting column (13) and the protruding column (11) respectively support against the limiting groove (12) and the side wall of the limiting hole (10) to prevent the second rotating sleeve (5) from rotating;
The lower ends of the second supporting legs (2) are provided with brake assemblies (14) capable of limiting the wheels (100) to rotate, the brake assemblies (14) comprise first brake seats (141) and second brake seats (142) which are respectively arranged at the lower ends of the two second supporting legs (2), the first brake seats (141) and the second brake seats (142) are connected with the wheels (100), the first brake seats (141) are connected with rotating pedals (143) which can rotate relatively to the first brake seats after being stepped on by feet and can drive brake pins (140) to lock the wheels (100) during rotation, a first reset spring (144) capable of driving the rotating pedals (143) to reset is arranged between the rotating pedals (143) and the first brake seats (141), rotating blocks (146) which are connected with the rotating pedals (143) through a transverse shaft (145) and can follow rotation when the rotating pedals (143) are arranged in the second brake seats (142), and reset springs (146) which can drive the second brake blocks (146) to rotate are arranged between the rotating blocks (146) and the second brake seats (142) are arranged between the rotating blocks and can drive the second brake assemblies (14) to reset, and the brake assemblies (15) to be unlocked;
The driving part (15) comprises an arc-shaped hole (151) which is arranged on the rotating block (146) and extends along the circumferential direction of the rotating block (146), a strip-shaped hole (152) which is communicated with the arc-shaped hole (151) and extends along the radial direction of the rotating block (146) is further arranged on the rotating block (146), a treading piece (153) which can be treaded is connected onto the second brake seat (142), a clamping column (154) which can be clamped into the strip-shaped hole (152) and the arc-shaped hole (151) is arranged on the treading piece (153), and a third spring (155) which can enable the clamping column (154) to be kept in the strip-shaped hole (152) is further arranged between the treading piece (153) and the second brake seat (142);
The pedal piece (153) comprises a hinge rod (1531) hinged with the second brake seat (142), the hinge rod (1531) is provided with a bending rod (1532) which bends upwards, the bending rod (1532) is provided with a pedal part (1533) which is exposed out of the second brake seat (142), and the clamping column (154) is provided with the hinge rod (1531) or the bending rod (1532).
2. A stroller according to claim 1, wherein: the second brake seat (142) is provided with a spring groove (156), the bending rod (1532) is provided with a protruding part (157), the third spring (155) is arranged in the spring groove (156), and the upper end of the third spring (155) is propped against the protruding part (157).
3. A stroller according to claim 1, wherein: the rotating pedal (143) is provided with a first concave arc-shaped groove (148 a), the inner wall of the first brake seat (141) is provided with a first limit boss (148 b) which can extend into the first arc-shaped groove (148 a), and the first return spring (144) is arranged between the groove wall of the first arc-shaped groove (148 a) and the first limit boss (148 b); the rotating block (146) is provided with a second concave arc-shaped groove (149 a), the inner wall of the second brake seat (142) is provided with a second limit boss (149 b) which can extend into the second arc-shaped groove (149 a), and the second return spring (147) is arranged between the groove wall of the second arc-shaped groove (149 a) and the second limit boss (149 b).
4. A stroller according to claim 1, wherein: the baby carriage also comprises a fixing and locking part (16) capable of keeping the baby carriage in a folded state, the fixing and locking part (16) comprises a sliding part (161) capable of sliding up and down relative to the supporting rod (7) or the first rotating sleeve (4), a jack is arranged on the transverse shaft (3), the sliding part (161) is connected with a bolt (162) capable of being clamped with the jack after the first rotating sleeve (4) rotates, and a fourth spring capable of keeping the bolt (162) clamped with the jack is further arranged between the sliding part (161) and the supporting rod (7) or the first rotating sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711156189.3A CN107757688B (en) | 2017-11-20 | 2017-11-20 | Baby carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711156189.3A CN107757688B (en) | 2017-11-20 | 2017-11-20 | Baby carriage |
Publications (2)
| Publication Number | Publication Date |
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| CN107757688A CN107757688A (en) | 2018-03-06 |
| CN107757688B true CN107757688B (en) | 2024-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711156189.3A Active CN107757688B (en) | 2017-11-20 | 2017-11-20 | Baby carriage |
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| Country | Link |
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| CN (1) | CN107757688B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108995699B (en) * | 2018-08-21 | 2023-11-10 | 中山恒之宝婴童用品有限公司 | Folding mechanism of baby carriage |
| GB2591211B (en) * | 2018-09-18 | 2022-04-27 | Jijibaba Ltd | A push chair |
| CN109606451A (en) * | 2019-02-02 | 2019-04-12 | 昆山爱思贝儿童用品有限公司 | Articles for children folding joint and children trolley |
| US11577132B2 (en) * | 2019-08-23 | 2023-02-14 | Walker Trolleys, LLC | Collapsible golf trolley |
| NL2029222B1 (en) * | 2021-09-22 | 2023-03-29 | Royalty Bugaboo Gmbh | Folding stroller |
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| CN202574322U (en) * | 2012-05-02 | 2012-12-05 | 昆山威凯儿童用品有限公司 | Folding joint structure of baby stroller |
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| JPH09228706A (en) * | 1996-02-27 | 1997-09-02 | Alpha Corp | Steering lock device |
| CN201082719Y (en) * | 2006-09-21 | 2008-07-09 | 明门实业股份有限公司 | Foldable baby carriage |
| CN201214442Y (en) * | 2008-01-18 | 2009-04-01 | 杜富波 | Synchronous brake structure of baby-carrier |
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| CN107757688A (en) | 2018-03-06 |
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