CN108082250B - Linkage folding mechanism of children's barrow - Google Patents
Linkage folding mechanism of children's barrow Download PDFInfo
- Publication number
- CN108082250B CN108082250B CN201810052736.1A CN201810052736A CN108082250B CN 108082250 B CN108082250 B CN 108082250B CN 201810052736 A CN201810052736 A CN 201810052736A CN 108082250 B CN108082250 B CN 108082250B
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- joint
- cushion plate
- traction wire
- rear support
- groove
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- 230000007246 mechanism Effects 0.000 title claims abstract description 23
- 206010061258 Joint lock Diseases 0.000 claims description 13
- 230000009471 action Effects 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 2
- 230000002146 bilateral effect Effects 0.000 claims 1
- 230000006872 improvement Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- 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
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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
- B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The invention discloses a linkage folding mechanism of a baby carriage, which comprises a front bracket joint, a push handle joint and a rear bracket joint which are sequentially connected to the same rotating shaft in a rotating way, wherein joint locking teeth are arranged between the push handle joint and the rear bracket joint, and an unlocking handle is connected with the joint locking teeth through a first traction wire; the novel traction wire seat cushion is characterized by further comprising a front cushion plate, a rear cushion plate, two rear cushion plate linkage plates and two arc-shaped connecting rods, cushion plate locking teeth are arranged between the front cushion plate and the rear cushion plate, a cam groove is formed in a pushing handle joint, a rear support sliding block is arranged in the upper end of a rear support tube and is propped in the cam groove, a traction wire pulling block is fixed at the lower end of the rear support sliding block, a second traction wire is fixed on the traction wire pulling block, and the second traction wire cushion plate locking teeth are fixedly connected. The children cart linkage folding mechanism is simple in structure and convenient to operate, the two locks are in linkage, the cushion plate locking teeth can be unlocked only when the frame is folded, and unlocking can not be caused by misoperation, so that the safety of the frame is guaranteed.
Description
Technical Field
The invention relates to a children folding vehicle, in particular to a linkage folding mechanism of a children cart.
Background
In daily life, along with the continuous improvement of the living standard of people, people put forward higher requirements on consumer products, and especially, the attention of a plurality of consumers is obtained on the aspects of attractive appearance, convenience in use and carrying and space saving. The baby stroller is used as a product for parents to care babies, and is safe, reliable, attractive and comfortable, and convenient to use and integrated. Although most of the strollers on the market at present are provided with folding devices, the seat pocket is generally required to be taken down and put down for folding when folding, and even if the folding vehicle with the seat pocket is provided, the structure is complex, the manufacturing cost is high, and the operation is complex.
Disclosure of Invention
In order to overcome the defects, the invention provides the linkage folding mechanism of the children cart, which can fold with the bag or take down the bag to fold independently, and has the advantages of simple structure and convenient operation.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the upper ends of the push handle lower pipes are connected through the push handle upper pipes, the lower ends of the push handle upper pipes are slidably arranged in the push handle lower pipes, the lower ends of the push handle lower pipes are fixed on push handle joints, the upper ends of the rear support pipes are fixed on rear support joints, the upper ends of the front support pipes are fixed on front support joints, the push handle joints and the rear support joints are sequentially connected on the same rotating shaft in a rotating mode, a first joint locking moving groove is formed in one side face of each push handle joint, which is opposite to each rear support joint, a second joint locking moving groove is formed in one side face of each rear support joint, a joint locking spring and a movable joint locking tooth are arranged in each first joint locking moving groove, and two ends of each joint locking tooth are respectively arranged in each first joint locking moving groove and each second joint locking moving groove under the elastic action of the joint locking spring so that the push handle joints and the rear support joints are locked; an unlocking handle is arranged between the lower end of the pushing handle upper pipe and the upper end of the pushing handle lower pipe, a first traction wire is connected to the unlocking handle, the first traction wire penetrates through the pushing handle lower pipe, the pushing handle joint and the joint locking spring to be connected with the joint locking teeth, and when the first traction wire is pulled by the unlocking handle, the first traction wire can drive the joint locking teeth to compress the joint locking spring and completely move into a first joint locking movable groove so that the pushing handle joint and a rear bracket joint can freely rotate;
the two sides of the front side of the front cushion plate are respectively connected to front support pipes positioned on the left side and the right side in a rotating mode, the rear side of the front cushion plate is connected with the front side of the rear cushion plate in a rotating mode, the two sides of the rear side of the rear cushion plate are respectively fixed on the two rear cushion plate linkage plates, connecting points are respectively arranged at the upper ends of the two rear cushion plate linkage plates, arc-shaped limiting grooves are respectively formed in the two arc-shaped connecting rods, the upper ends of the two arc-shaped connecting rods are respectively connected to pushing handle lower pipes positioned on the left side and the right side in a rotating mode, and the two rear cushion plate linkage plates are respectively and movably limited in the arc-shaped limiting grooves of the arc-shaped connecting rods through the connecting points;
the front cushion plate is provided with a first cushion plate lock movable groove, the rear cushion plate is provided with a second cushion plate lock movable groove, a cushion lock spring and cushion plate locking teeth are arranged in the first cushion plate lock movable groove, and two ends of the cushion plate locking teeth are respectively arranged in the first cushion plate lock movable groove and the second cushion plate lock movable groove under the action of the elasticity of the cushion lock spring so that the front cushion plate and the rear cushion plate are prevented from rotating; the push handle joint is provided with a cam groove, the upper end of the rear support tube is internally provided with a rear support sliding block, the upper end of the rear support sliding block is propped against the cam groove of the push handle joint, the lower end of the rear support sliding block is fixedly provided with a traction wire pulling block, a second traction wire is fixedly arranged on the traction wire pulling block, the second traction wire penetrates through the rear support tube, the front cushion plate and the cushion plate locking tooth to be fixedly connected with the cushion plate locking tooth, when the push handle joint is pushed to rotate towards the rear support tube, the cam groove is used for downwards pressing the rear support sliding block to move towards the rear support tube, and the traction wire pulling block is used for driving the traction wire to downwards move, and the traction wire downwards can drive the cushion plate locking tooth to compress the cushion locking spring and completely move into the first cushion plate locking movable groove to enable the front cushion plate and the rear cushion plate to freely rotate.
As a further improvement of the invention, the unlocking handle is provided with a two-way lock button for locking the unlocking handle.
As a further improvement of the invention, a pedal is arranged between the lower ends of the left and right front support pipes, and a front wheel set is arranged below the pedal.
As a further improvement of the invention, a cam is arranged on the rotating shaft of the pushing handle joint, a groove is arranged on the inner side of the cam to form a first joint lock moving groove, and a groove is arranged on the outer side of the cam to form a cam groove.
As a further improvement of the invention, the upper end of the rear support pipe is fixedly provided with a rear support cushion block, the rear support cushion block is internally provided with a traction wire sleeve fixing groove, a traction wire groove and a first traction wire through hole, the rear cushion plate is internally provided with a traction wire through groove and a second traction wire through hole, and the second traction wire sequentially passes through the traction wire sleeve fixing groove, the traction wire groove and the first traction wire through hole of the rear support cushion block and enters the traction wire through groove and the second traction wire through hole of the front cushion plate to be fixedly connected to the cushion plate locking teeth.
As a further improvement of the present invention, the rear cushion plate linkage plate is fixedly connected with the rear bracket tube through the rear bracket cushion block.
As a further improvement of the invention, a latch lock column is arranged on the rotating shaft between the front cushion plate and the rear cushion plate, and a latch spring for enabling the latch lock column to be sprung outwards is arranged on the inner side of the latch lock column.
As a further improvement of the invention, the traction wire pulling block is provided with a traction wire head fixing hole and a screw fixing hole.
As a further improvement of the invention, the lower end of the rear bracket tube is provided with a rear wheel group.
As a further improvement of the invention, the upper end of the front bracket tube is provided with a front bracket cushion block, and the two sides of the front side of the cushion plate are respectively and rotatably fixed on the front bracket cushion blocks of the two front bracket tubes.
The beneficial effects of the invention are as follows: this children's shallow linkage folding mechanism forms four point mechanism through pushing away down pipe, fore-stock pipe, arc connecting rod and cushion, and back support pipe and back cushion linkage board form pendulum rod structure simultaneously to set up joint locking tooth and cushion board locking tooth and to pushing away joint and back support joint, and preceding seat backing plate and back cushion board carry out locking operation respectively, and not only the structure is succinct, easy and simple to handle, and two lock linkage settings moreover, cushion board locking tooth can only be unlocked when the frame is folding, can not be because of the maloperation unblock, thereby guarantees the security of frame.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a partial structure of the present invention;
FIG. 3 is a second partial schematic view of the present invention;
FIG. 4 is a schematic view of a rear bracket pad structure according to the present invention;
FIG. 5 is a schematic drawing of a pulling block of the pulling wire according to the present invention;
FIG. 6 is a partial top cross-sectional view of the present invention;
FIG. 7 is a schematic view of the structure of the front cushion plate and the rear cushion plate of the present invention;
FIG. 8 is a section A-A of FIG. 7;
FIG. 9 is a side view of the invention in an open state;
FIG. 10 is a side view of the folding process of the present invention;
fig. 11 is a schematic structural view of the folded device of the present invention.
The following description is made with reference to the accompanying drawings:
1-pushing the upper tube; 2-pushing the handle down tube;
3-a rear support tube; 4-front support tube;
5-an armrest tube; 6-unlocking the handle;
7-rear bracket joint; 8-pushing the handle joint;
801—a first articulation lock movement slot; 802—cam groove;
78—joint locking teeth; 9-front support joint;
10-front cushion plate; 11-a squat pad;
111-draw wire passing through the slot; 112-a second pull wire via;
12-a rear cushion plate linkage plate; 13-arc connecting rod;
131-arc limiting groove; 14-cushion plate locking teeth;
15-rear bracket slide; 16-a traction wire pulling block;
161-a pulling head fixing hole; 162-screw fixation holes;
17-two lock buttons; 18-foot pedal;
19-front wheelset; 20-a rear bracket cushion block;
201-a traction wire sleeve fixing groove; 202-traction wire groove;
203-a first pull wire via; 21-latch lock post;
22-spring tongue spring; 23-rear wheelset;
24-front support cushion block; 25-cushion lock springs.
Detailed Description
A preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. The scope of the invention is not limited to the following examples, but is intended to be limited only by the appended claims and the equivalents and modifications thereof, which fall within the scope of the invention.
Referring to fig. 1 to 11, the invention provides a linkage folding mechanism of a stroller, comprising a push handle upper tube 1, a push handle lower tube 2, a rear bracket tube 3 and a front bracket tube 4 which are symmetrically arranged left and right, wherein the upper ends of the two push handle lower tubes are connected through the push handle upper tube, and the lower ends of the push handle upper tubes are slidably arranged in the push handle lower tube, and the linkage folding mechanism is characterized in that: the lower end of the push handle lower pipe is fixed on a push handle joint 8, the upper end of the rear support pipe is fixed on a rear support joint 7, the upper end of the front support pipe is fixed on a front support joint 9, the front support joint, the push handle joint and the rear support joint are sequentially connected on the same rotating shaft in a rotating mode, a first joint lock movable groove 801 is formed in one side face of the push handle joint, opposite to the rear support joint, of the rear support joint, a second joint lock movable groove is formed in one side face of the rear support joint, opposite to the push handle joint, a joint lock spring and a movable joint lock tooth 78 are arranged in the first joint lock movable groove, and two ends of the joint lock tooth are respectively placed in the first joint lock movable groove and the second joint lock movable groove under the elastic action of the joint lock spring so that the push handle joint and the rear support joint are prevented from rotating; an unlocking handle 6 is arranged between the lower end of the pushing handle upper tube and the upper end of the pushing handle lower tube, a first traction wire is connected to the unlocking handle, penetrates through the pushing handle lower tube, the pushing handle joint and the joint locking spring to be connected with the joint locking teeth, and when the first traction wire is pulled by the unlocking handle, the first traction wire can drive the joint locking teeth to compress the joint locking spring and completely move into a first joint locking movable groove, so that the pushing handle joint and the rear bracket joint can freely rotate.
The two sides of the front side of the front cushion plate are respectively connected to front bracket pipes positioned on the left side and the right side in a rotating mode, the rear side of the front cushion plate is connected with the front side of the rear cushion plate in a rotating mode, the two sides of the rear side of the rear cushion plate are respectively fixed on the two rear cushion plate linkage plates, connecting points are respectively arranged at the upper ends of the two rear cushion plate linkage plates, arc-shaped limiting grooves 131 are respectively arranged on the two arc-shaped connecting rods, the upper ends of the two arc-shaped connecting rods are respectively connected to pushing handle lower pipes positioned on the left side and the right side in a rotating mode, and the two rear cushion plate linkage plates are respectively and movably limited in the arc-shaped limiting grooves of the arc-shaped connecting rods through the connecting points;
the front cushion plate is provided with a first cushion plate lock movable groove, the rear cushion plate is provided with a second cushion plate lock movable groove, a cushion lock spring 25 and cushion plate locking teeth 14 are arranged in the first cushion plate lock movable groove, and two ends of the cushion plate locking teeth are respectively arranged in the first cushion plate lock movable groove and the second cushion plate lock movable groove under the action of the elasticity of the cushion lock spring so that the front cushion plate and the rear cushion plate are prevented from rotating; the push handle joint is provided with a cam groove 802, the upper end of the rear support tube is internally provided with a rear support sliding block 15, the upper end of the rear support sliding block is propped against the inside of the cam groove of the push handle joint, the lower end of the rear support sliding block is fixedly provided with a traction wire pulling block 16, a second traction wire is fixedly arranged on the traction wire pulling block, the second traction wire penetrates through the rear support tube, the front cushion plate and the cushion plate locking teeth to be fixedly connected with the cushion plate locking teeth, when the push handle joint is pushed to rotate towards the rear support tube, the cam groove is used for pushing the rear support sliding block to move towards the inside of the rear support tube, and the traction wire pulling block is used for driving the traction wire to move downwards, and the traction wire can drive the cushion plate locking teeth to compress the cushion locking springs and completely move into the first cushion plate locking movable grooves to enable the front cushion plate and the rear cushion plate to rotate freely.
Wherein, the unlocking handle is provided with a two-way lock button 17 for locking the unlocking handle. A foot pedal 18 is arranged between the lower ends of the left and right front support pipes, and a front wheel set 19 is arranged below the foot pedal. The rotating shaft of the pushing handle joint is provided with a cam, the inner side of the cam is provided with a groove to form a first joint lock moving groove, and the outer side of the cam is provided with a groove to form a cam groove.
The upper end of the rear support pipe is fixedly provided with a rear support cushion block 20, a traction wire sleeve fixing groove 201, a traction wire groove 202 and a first traction wire through hole 203 are arranged in the rear support cushion block, a traction wire through groove 111 and a second traction wire through hole 112 are arranged in the rear cushion plate, and the second traction wire sequentially passes through the traction wire sleeve fixing groove, the traction wire groove and the first traction wire through hole of the rear support cushion block and enters the traction wire through groove and the second traction wire through hole of the front cushion plate to be fixedly connected with the cushion plate locking teeth. The rear cushion plate linkage plate is fixedly connected with the rear support pipe through the rear support cushion block. A latch lock column 21 is arranged on the rotating shaft between the front cushion plate and the rear cushion plate, and a latch spring 22 for enabling the latch lock column to be sprung outwards is arranged on the inner side of the latch lock column. The traction wire pulling block is provided with a traction wire head fixing hole 161 and a screw fixing hole 162. The lower end of the rear bracket tube is provided with a rear wheel group 23. The upper end of the front support tube is provided with a front support cushion block 24, and the two sides of the front side of the cushion plate are respectively and rotatably fixed on the front support cushion blocks of the two front support tubes.
When the children cart linkage folding mechanism is normally used, namely in an open state, referring to fig. 1 and 9, the joint locking teeth and the cushion plate locking teeth are in a locking state. Namely, the joint locking teeth are arranged in the first cushion plate lock movable groove and the second cushion plate lock movable groove due to half of the elasticity of the cushion plate lock springs, so that the front cushion plate and the rear cushion plate are locked and cannot rotate relatively. The cushion plate locking teeth are arranged in the first cushion plate locking movable groove by half of the elastic force of the cushion lock springs, and the other half of the cushion plate locking teeth are arranged in the second cushion plate locking movable groove, so that the front cushion plate and the rear cushion plate are locked and cannot rotate relatively.
When the child cart is used and the frame needs to be folded, the two lock buttons are pressed firstly, the unlocking handle is pulled simultaneously, and the pushing handle is pressed downwards to be folded, so that the child cart is folded, and the specific process is as follows:
first, after pulling the unblock handle, the unblock handle pulls first traction wire, and first traction wire drives joint locking tooth compression joint locking spring and moves to first joint lock movable slot completely, pushes away the free rotation of handle joint and rear bracket joint this moment.
And secondly, when the joint locking teeth are unlocked, the pushing handle joint is pushed downwards to rotate towards the direction of the rear support tube, the cam groove of the pushing handle joint is pushed downwards to press the rear support sliding block to move towards the inside of the rear support tube, the traction wire is driven to move downwards through the traction wire pulling block, the traction wire moves downwards to drive the cushion plate locking teeth to compress the cushion locking springs and completely move into the first cushion plate locking movable groove, and the cushion plate locking teeth are locked, so that the front cushion plate and the rear cushion plate can be unlocked and can rotate freely.
And then, after the joint locking teeth and the cushion plate locking teeth are unlocked, the push handle lower tube is continuously rotated and folded, and the push handle lower tube, the front support tube, the arc-shaped connecting rod and the cushion plate form a four-point mechanism, meanwhile, the rear support tube and the rear cushion linkage plate form a swinging rod structure, so that the push handle lower tube rotates forwards, and when the front support tube rotates backwards, the cushion plate and the rear support tube are driven to fold through the arc-shaped connecting rod and the rear cushion linkage plate, so that the frame is folded, and the folded frame can stand with specific reference to fig. 9-11.
Therefore, the child stroller linkage folding mechanism is characterized in that the push handle lower tube, the front support tube, the arc-shaped connecting rod and the cushion plate form a four-point mechanism, meanwhile, the rear support tube and the rear cushion linkage plate form a swing rod structure, the joint locking teeth and the cushion plate locking teeth are arranged to lock the push handle joint and the rear support joint, and the front cushion plate and the rear cushion plate respectively, so that the child stroller linkage folding mechanism is simple in structure and convenient to operate, and the cushion plate locking teeth can be unlocked only when the frame is folded, and cannot be unlocked due to misoperation, so that the safety of the frame is ensured.
Claims (8)
1. The utility model provides a children's shallow linkage folding mechanism, includes that bilateral symmetry sets up push away upper pipe (1), push away lower pipe (2), back support pipe (3) and fore-stock pipe (4), pushes away through pushing away upper pipe connection between the upper end of lower pipe two, push away the lower extreme slip setting of upper pipe in pushing away lower pipe, its characterized in that: the lower end of the pushing handle lower pipe is fixed on a pushing handle joint (8), the upper end of the rear support pipe is fixed on a rear support joint (7), the upper end of the front support pipe is fixed on a front support joint (9), the front support joint, the pushing handle joint and the rear support joint are sequentially connected to the same rotating shaft in a rotating mode, a first joint locking movable groove (801) is formed in one side surface of the pushing handle joint, opposite to the rear support joint, of the rear support joint, a second joint locking movable groove is formed in one side surface of the rear support joint, opposite to the pushing handle joint, a joint locking spring and a movable joint locking tooth (78) are arranged in the first joint locking movable groove, and two ends of the joint locking tooth are respectively arranged in the first joint locking movable groove and the second joint locking movable groove under the elastic action of the joint locking spring so that the pushing handle joint and the rear support joint are prevented from rotating; an unlocking handle (6) is arranged between the lower end of the pushing handle upper pipe and the upper end of the pushing handle lower pipe, a first traction wire is connected to the unlocking handle, the first traction wire penetrates through the pushing handle lower pipe, the pushing handle joint and the joint locking spring to be connected with the joint locking teeth, and when the first traction wire is pulled by the unlocking handle, the first traction wire can drive the joint locking teeth to compress the joint locking spring and completely move into a first joint locking movable groove so that the pushing handle joint and a rear bracket joint can freely rotate;
the novel seat cushion is characterized by further comprising a front seat cushion plate (10), a rear seat cushion plate (11), two rear seat cushion plate linkage plates (12) and two arc-shaped connecting rods (13), wherein the two sides of the front side of the front seat cushion plate are respectively connected to front support pipes positioned on the left side and the right side in a rotating mode, the rear side of the front seat cushion plate is connected with the front side of the rear seat cushion plate in a rotating mode, the two sides of the rear side of the rear seat cushion plate are respectively fixed on the two rear seat cushion plate linkage plates, the upper ends of the two rear seat cushion plate linkage plates are respectively provided with a connecting point, the two arc-shaped connecting rods are respectively provided with an arc-shaped limiting groove (131), the upper ends of the two arc-shaped connecting rods are respectively connected to pushing handle lower pipes positioned on the left side and the right side in a rotating mode, and the two rear seat cushion plate linkage point plates are respectively limited in the arc-shaped limiting grooves of the arc-shaped connecting rods through connecting movement;
the front cushion plate is provided with a first cushion plate lock movable groove, the rear cushion plate is provided with a second cushion plate lock movable groove, a cushion lock spring (25) and cushion plate locking teeth (14) are arranged in the first cushion plate lock movable groove, and two ends of the cushion plate locking teeth are respectively arranged in the first cushion plate lock movable groove and the second cushion plate lock movable groove under the action of the elasticity of the cushion lock spring so that the front cushion plate and the rear cushion plate are prevented from rotating; the push handle joint is provided with a cam groove (802), a rear support sliding block (15) is arranged in the upper end of the rear support tube, the upper end of the rear support sliding block is propped against the inside of the cam groove of the push handle joint, the lower end of the rear support sliding block is fixedly provided with a traction wire pulling block (16), a second traction wire is fixedly arranged on the traction wire pulling block, the second traction wire penetrates through the rear support tube, a front cushion plate and a cushion plate locking tooth fixed connection, when the push handle joint is pushed to rotate towards the rear support tube, the cam groove is used for downwards pressing the rear support sliding block to move towards the inside of the rear support tube, the second traction wire pulling block drives the second traction wire to downwards move, the second traction wire downwards can drive the cushion plate locking tooth to compress the cushion locking spring and completely move into a first cushion plate locking movable groove, the front cushion plate and the rear cushion plate can freely rotate, a two-way locking button (17) for locking the unlocking handle is arranged on the pulling handle, and a pedal plate (18) is arranged at the lower end of the front support tube.
2. The stroller linkage fold mechanism of claim 1, wherein: the rotating shaft of the pushing handle joint is provided with a cam, the inner side of the cam is provided with a groove to form a first joint lock moving groove, and the outer side of the cam is provided with a groove to form a cam groove.
3. The stroller linkage fold mechanism of claim 1, wherein: the upper end of the rear support pipe is fixedly provided with a rear support cushion block (20), a traction wire sleeve fixing groove (201), a traction wire groove (202) and a first traction wire through hole (203) are formed in the rear support cushion block, a traction wire through groove (111) and a second traction wire through hole (112) are formed in the rear cushion plate, and the second traction wire sequentially penetrates through the traction wire sleeve fixing groove, the traction wire groove and the first traction wire through hole of the rear support cushion block and enters the traction wire through groove and the second traction wire through hole of the front cushion plate to be fixedly connected to the cushion plate locking teeth.
4. The stroller linkage fold mechanism of claim 3, wherein: the rear cushion plate linkage plate is fixedly connected with the rear support pipe through the rear support cushion block.
5. The stroller linkage fold mechanism of claim 1, wherein: a latch lock column (21) is arranged on the rotating shaft between the front cushion plate and the rear cushion plate, and a latch spring (22) for enabling the latch lock column to be sprung outwards is arranged on the inner side of the latch lock column.
6. The stroller linkage fold mechanism of claim 1, wherein: the traction wire pulling block is provided with a traction wire head fixing hole (161) and a screw fixing hole (162).
7. The stroller linkage fold mechanism of claim 1, wherein: the lower end of the rear bracket tube is provided with a rear wheel group (23).
8. The stroller linkage fold mechanism of claim 1, wherein: the upper end of the front support tube is provided with a front support cushion block (24), and the two sides of the front side of the front cushion plate are respectively and rotatably fixed on the front support cushion blocks of the two front support tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810052736.1A CN108082250B (en) | 2018-01-19 | 2018-01-19 | Linkage folding mechanism of children's barrow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810052736.1A CN108082250B (en) | 2018-01-19 | 2018-01-19 | Linkage folding mechanism of children's barrow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108082250A CN108082250A (en) | 2018-05-29 |
| CN108082250B true CN108082250B (en) | 2023-09-19 |
Family
ID=62183272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810052736.1A Active CN108082250B (en) | 2018-01-19 | 2018-01-19 | Linkage folding mechanism of children's barrow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108082250B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110325427B (en) * | 2019-05-22 | 2021-11-12 | 深圳市喜德盛自行车股份有限公司 | Large joint structure of baby carriage |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4294464A (en) * | 1978-02-17 | 1981-10-13 | Ettridge John P | Child's stroller |
| EP0890497A2 (en) * | 1997-07-11 | 1999-01-13 | Convaid Products, Inc. | Improved mobile seating arrangement |
| US6523840B1 (en) * | 2000-08-10 | 2003-02-25 | Ohio Steel Corporation | Combined shopping cart stroller |
| CN201800747U (en) * | 2010-08-03 | 2011-04-20 | 明门香港股份有限公司 | Foldable baby carriage |
| CN105398482A (en) * | 2015-12-01 | 2016-03-16 | 昆山市贝尔儿童用品有限公司 | Foldable baby carriage |
-
2018
- 2018-01-19 CN CN201810052736.1A patent/CN108082250B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4294464A (en) * | 1978-02-17 | 1981-10-13 | Ettridge John P | Child's stroller |
| EP0890497A2 (en) * | 1997-07-11 | 1999-01-13 | Convaid Products, Inc. | Improved mobile seating arrangement |
| US6523840B1 (en) * | 2000-08-10 | 2003-02-25 | Ohio Steel Corporation | Combined shopping cart stroller |
| CN201800747U (en) * | 2010-08-03 | 2011-04-20 | 明门香港股份有限公司 | Foldable baby carriage |
| CN105398482A (en) * | 2015-12-01 | 2016-03-16 | 昆山市贝尔儿童用品有限公司 | Foldable baby carriage |
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| Publication number | Publication date |
|---|---|
| CN108082250A (en) | 2018-05-29 |
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