CN220577337U - Frame folding structure of walking baby car - Google Patents
Frame folding structure of walking baby car Download PDFInfo
- Publication number
- CN220577337U CN220577337U CN202322237902.4U CN202322237902U CN220577337U CN 220577337 U CN220577337 U CN 220577337U CN 202322237902 U CN202322237902 U CN 202322237902U CN 220577337 U CN220577337 U CN 220577337U
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- connecting seat
- seat
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- lock
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Abstract
The utility model provides a frame beta structure of child car of walking, includes seat subassembly, front wheel support, rear wheel support, push rod subassembly and linkage subassembly, linkage subassembly includes driving piece and connecting rod. Still include first connecting seat, rotate between seat subassembly and the first connecting seat and be connected and be equipped with first locking mechanical system spacing, rotate between driving piece and the first connecting seat and be connected and be equipped with the second locking mechanical system spacing. When the bicycle is folded, the movable rod is pushed downwards to drive the second locking mechanism to unlock, the driving piece can rotate relative to the first connecting seat, the first locking mechanism is driven to unlock along with the rotation of the driving piece, the seat assembly can rotate relative to the first connecting seat, the seat assembly can be folded towards the front wheel bracket, and the push rod assembly can be folded towards the rear wheel bracket along with the rotation of the driving piece. The seat components and the push rod components at the front end and the rear end are folded towards the middle at the same time, so that the vehicle folding efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of child carts, in particular to a frame folding structure of a walking child cart.
Background
The baby walking vehicle is suitable for babies with six months or more, and has the advantages of being more economical, lighter, smaller in size and convenient to carry when going out. The main light portable baby walking vehicle naturally provides a one-key vehicle collecting function in the aspect of vehicle collecting, a baby walking vehicle frame and a baby walking vehicle disclosed in China patent No. 216580663U in the prior art are provided, a telescopic sleeve rod of a push rod assembly is retracted into a fixed sleeve rod to unlock a buckling lock structure, and a rear wheel support, a front wheel support and a seat are sequentially driven to rotate along with the rotation of a driving sleeve under the external acting force. The specific folding track of the walking baby car is that the push rod assembly is folded towards the rear wheel support, the push rod assembly and the rear wheel support after being folded are folded towards the front wheel support, and the push rod assembly, the rear wheel support and the front wheel support after being folded are folded towards the seat. The folding of the walking baby car is completed from the push rod assembly to the seat direction according to the part, the folding speed of the frame is common, and the folding speed of the frame needs to be improved through structural improvement.
Disclosure of Invention
The utility model provides a frame folding structure of a walking child car, aiming at the problems, and the frame folding speed can be improved.
The technical scheme for solving the problems is as follows: the utility model provides a frame folding structure of child car is walked, includes seat subassembly, front wheel support, rear wheel support, push rod subassembly and linkage subassembly, linkage subassembly includes driving piece and connecting rod, still includes first connecting seat, the upper end of rear wheel support and the rear side fixed connection of first connecting seat lower extreme, the upper end of front wheel support and the front side of first connecting seat lower extreme rotate to be connected, the lower extreme of seat subassembly and the front side of first connecting seat upper end rotate to be connected, the driving piece rotates to be connected with the rear side of first connecting seat upper end;
the push rod assembly comprises a fixed rod and a movable rod, the lower end of the fixed rod is connected with the driving piece, and the movable rod is slidably connected in the fixed rod;
a second locking mechanism is arranged between the driving piece and the first connecting seat, the driving piece and the first connecting seat rotate to limit under the locking state of the second locking mechanism, the movable rod slides to the lower end of the fixed rod to drive the second locking mechanism to unlock, and the driving piece can rotate towards the rear wheel bracket after the second locking mechanism is unlocked;
the upper end of the connecting rod is rotationally connected with the driving piece, the lower end of the connecting rod is rotationally connected with the upper end of the front wheel bracket, and the driving piece rotationally drives the front wheel bracket to rotate towards the frame direction of the rear wheel;
the seat assembly is characterized in that a first locking mechanism is arranged between the seat assembly and the first connecting seat, the seat assembly and the first connecting seat rotate to limit under the locking state of the first locking mechanism, the driving piece rotates to drive the first locking mechanism to unlock, and the seat assembly can rotate towards the front wheel support after the first locking mechanism is unlocked.
The seat component of the frame folding structure of the walking baby vehicle is rotationally connected with the first connecting seat and is provided with a first locking mechanism limit, and the driving piece is rotationally connected with the first connecting seat and is provided with a second locking mechanism limit. The driving piece is fixed with the frame is whole when first connecting seat locking state, and the push rod subassembly can be folded along with the rotation of driving piece to rear wheel support direction to the folding of frame when pushing down the movable rod, drive second locking mechanical system unblock, and the driving piece can rotate relative first connecting seat, and the first locking mechanical system unblock of drive behind the rotation of driving piece, seat subassembly can rotate relative first connecting seat, and seat subassembly can be folded along with the front wheel support direction. Compared with the prior art, the folding structure of the frame of the child walking vehicle does not need to be sequentially carried out according to the part, and the seat components and the push rod components at the front end and the rear end are folded towards the middle at the same time, so that the vehicle folding efficiency is improved.
Preferably, a first groove is formed in the front side of the lower end of the first connecting seat, a second groove is formed in the front side of the upper end of the first connecting seat, a third groove is formed in the rear side of the upper end of the first connecting seat, and the first groove, the second groove and the third groove are communicated through grooves; the upper end of front wheel support is equipped with the second connecting seat, the second connecting seat rotates to be connected in first recess, the lower extreme of seat subassembly is equipped with the third connecting seat, the third connecting seat rotates to be connected in the second recess, the driving piece rotates to be connected in the third recess.
Preferably, the first locking mechanism comprises a lock tongue and a locking groove, the lock tongue is slidably connected in a third connecting seat, the locking groove is formed in the wall of the second groove, a first reset piece which enables the lock tongue to keep close to the trend of the locking groove is arranged in the third connecting seat, a driving piece for pushing the lock tongue to be separated from the locking groove is arranged on the driving piece, and the driving piece pushes the lock tongue along with the rotation of the driving piece.
Preferably, the second locking mechanism comprises a lock hook and a fixed pin, the fixed pin is connected in the first connecting seat, the middle part of the lock hook is rotationally connected in the driving part, the upper end of the driving part is provided with a sleeve, one end of the lock hook is positioned in the sleeve, the other end of the lock hook is provided with a hook part, a second reset part which enables one end of the lock hook to keep away from the trend of the sleeve bottom is arranged between one end of the lock hook and the sleeve bottom, the hook part is connected with the fixed pin in a second reset part free state, the lower end of the fixed rod is connected with the sleeve, and when the movable rod slides to the lower end of the fixed rod, the lower end of the movable rod is contacted with one end of the lock hook, the other end of the lock hook is tilted, and the hook part is separated from the fixed pin.
Preferably, a lock tongue cavity is arranged in the third connecting seat, the lock tongue is slidably connected in the lock tongue cavity, the first reset piece is a spring, one end of the first reset piece is propped against the inner wall of the lock tongue cavity, the other end is propped against one end of the lock tongue, and the middle part of the other end of the lock tongue is provided with a concave; the driving block is arranged on the outer wall of the driving piece in a protruding mode and can penetrate through the through groove to be in contact with the lock tongue, the driving block is provided with an upper inclined plane and a lower inclined plane, and when the other end of the lock tongue is located in the lock groove, the upper inclined plane abuts against the lower end of the indent.
Preferably, a movable cavity for accommodating the lock hook is arranged in the driving piece, the movable cavity is communicated with the inner cavity of the sleeve, the middle part of the lock hook is rotationally connected in the movable cavity through a pin shaft, and the hook part of the lock hook extends out of the movable cavity; the sleeve barrel bottom is provided with a connecting groove, one side of one end of the lock hook facing the barrel bottom is provided with a connecting column, the second reset piece is a spring, one end of the second reset piece is positioned in the connecting groove, and the other end of the second reset piece is sleeved on the connecting column.
Drawings
Fig. 1 is a schematic structural view of a frame folding structure of a walking baby vehicle of the present utility model.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a connection state diagram of the first, second, third and linkage components of the frame folding structure of the walking baby vehicle of the present utility model.
Fig. 4 is a schematic structural view of a first connection seat of the frame folding structure of the walking baby vehicle.
Fig. 5 is a schematic structural view of a third connecting seat of the frame folding structure of the walking baby vehicle.
Fig. 6 is a schematic structural view of a linkage assembly of the frame folding structure of the walking baby vehicle of the present utility model.
As shown in the figure: 1. the seat assembly, 11, third connecting seat, 110, tongue cavity, 111, tongue, 1110, indent, 112, first reset member, 2, front wheel bracket, 21, second connecting seat, 3, rear wheel bracket, 41, fixed lever, 42, movable lever, 5, driving member, 50, movable cavity, 51, driving block, 511, upper inclined surface, 512, lower inclined surface, 52, latch hook, 521, hook portion, 522, connecting post, 53, sleeve, 531, connecting slot, 54, second reset member, 6, connecting rod, 7, first connecting seat, 71, first groove, 72, second groove, 721, latch slot, 73, third groove, 74, through slot.
Detailed Description
The utility model is further described below with reference to the drawings and detailed description.
As shown in fig. 1, 2, 3, 4, 5 and 6, a frame folding structure of a walking baby car comprises a seat assembly 1, a front wheel bracket 2, a rear wheel bracket 3, a push rod assembly and a linkage assembly, wherein the linkage assembly comprises a driving piece 5 and a connecting rod 6, and further comprises a first connecting seat 7. The upper end of rear wheel support 3 is connected with the rear side fixed connection of first connecting seat 7 lower extreme, and the front side of the upper end of front wheel support 2 and first connecting seat 7 lower extreme rotates to be connected, and the lower extreme of seat subassembly 1 rotates to be connected with the front side of first connecting seat 7 upper end, and driving piece 5 rotates to be connected with the rear side of first connecting seat 7 upper end. The front and back are the directions close to the cart person are the rear directions, and the directions of the cart person are the front directions. The upper end of the connecting rod 6 is rotationally connected with the driving piece 5, the lower end of the connecting rod 6 is rotationally connected with the upper end of the front wheel bracket 2, and the driving piece 5 rotates to drive the front wheel bracket 2 to rotate.
The front side of first connecting seat 7 lower extreme is equipped with first recess 71, and the front side of first connecting seat 7 upper end is equipped with second recess 72, and the rear side of first connecting seat 7 upper end is equipped with third recess 73, and first recess 71, second recess 72 and third recess 73 pass through logical groove 74 intercommunication. The upper end of front wheel support 2 is equipped with second connecting seat 21, and second connecting seat 21 rotates to be connected in first recess 71, and the lower extreme of seat subassembly 1 is equipped with third connecting seat 11, and third connecting seat 11 rotates to be connected in second recess 72, and driving piece 5 rotates to be connected in third recess 73.
The push rod assembly comprises a fixed rod 41 and a movable rod 42, wherein the lower end of the fixed rod 41 is connected with the driving piece 42, and the movable rod 42 is slidably connected in the fixed rod 41. The structure of the push rod assembly can be the same as that of CN 216580663U.
A first locking mechanism is arranged between the seat assembly 1 and the first connecting seat 7, in a locking state of the first locking mechanism, the seat assembly 1 and the first connecting seat 7 rotate to limit, the driving piece 5 rotates to drive the first locking mechanism to unlock, and the seat assembly 1 can rotate in the direction of the front wheel bracket 2 after the first locking mechanism is unlocked; a second locking mechanism is arranged between the driving piece 5 and the first connecting seat 7, the driving piece 5 and the first connecting seat 7 rotate to limit under the locking state of the second locking mechanism, the movable rod 42 slides to the lower end of the fixed rod 41 to drive the second locking mechanism to unlock, and after the second locking mechanism is unlocked, the driving piece 5 can rotate towards the rear wheel bracket 3.
The first locking mechanism comprises a lock tongue 111 and a lock groove 721, wherein the lock tongue 111 is slidably connected in the third connecting seat 11, the lock groove 721 is arranged on the wall of the second groove 72, and a first reset piece 112 which enables the lock tongue 111 to be kept close to the lock groove 721 is arranged in the third connecting seat 11. The driving member 5 is provided with a driving block 51 for pushing the locking tongue 111 out of the locking groove 721, and the driving block 51 pushes the locking tongue 111 along with the rotation of the driving member 5.
The third connecting seat 11 is internally provided with a lock tongue cavity 110, a lock tongue 111 is slidably connected in the lock tongue cavity 110, the first reset piece 112 is a spring, one end of the first reset piece 112 abuts against the inner wall of the lock tongue cavity 110, the other end abuts against one end of the lock tongue 111, and the middle part of the other end of the lock tongue 111 is provided with an indent 1110. The driving block 51 is convexly arranged on the outer wall of the driving piece 5, the driving block 51 moves in the through groove 74 and can pass through the through groove 74 to be in contact with the lock tongue 111, the driving block 51 is provided with an upper inclined surface 511 and a lower inclined surface 512, and when the other end of the lock tongue 111 is positioned in the lock groove 721, the upper inclined surface 511 is abutted against the lower end of the concave 1110. When the driving member 5 rotates, the lock tongue 111 is far away from the locking groove 721 through the cooperation of the upper inclined surface 511 and the concave 1110. When the frame of the walking baby car is used, the driving member 5 is generally fixed with the first connecting seat 7, if the third connecting seat 11 is connected with the first connecting seat 7, the lower inclined surface 512 can be utilized to eject the lock tongue 111 when the driving member 5 returns.
The second locking mechanism comprises a lock hook 52 and a fixed pin 75, the fixed pin 75 is connected in the first connecting seat 7, the middle part of the lock hook 52 is rotationally connected in the driving piece 5, the upper end of the driving piece 5 is provided with a sleeve 53, one end of the lock hook 52 is positioned in the sleeve 53, the other end of the lock hook 52 is provided with a hook 521, a second reset piece 54 which enables one end of the lock hook 52 to keep away from the bottom trend of the sleeve 53 is arranged between one end of the lock hook 52 and the bottom of the sleeve 53, the hook 521 is connected with the fixed pin 75 when the second reset piece 54 is in a free state, the lower end of the fixed rod 41 is connected with the sleeve 53, and when the movable rod 42 slides to the lower end of the fixed rod 41, the lower end of the movable rod 42 contacts with one end of the lock hook 52, the other end of the lock hook 52 is tilted, and the hook 521 is separated from the fixed pin 75.
The driving piece 5 is internally provided with a movable cavity 50 for accommodating the lock hook 52, the movable cavity 50 is communicated with the inner cavity of the sleeve 53, the middle part of the lock hook 52 is rotationally connected in the movable cavity 50 through a pin shaft, and a hook 521 of the lock hook 52 extends out of the movable cavity 50; the sleeve 53 barrel bottom is equipped with spread groove 531, and latch hook 52 one end is equipped with spliced pole 522 towards barrel bottom one side, and second restoring element 54 is the spring, and second restoring element 54 one end is located spread groove 531, and the other end cup joints on spliced pole 522.
The seat component 1 of the frame folding structure of the walking baby vehicle is rotationally connected with the first connecting seat 7 and is provided with a first locking mechanism limit, and the driving piece is rotationally connected with the first connecting seat 7 and is provided with a second locking mechanism limit. When the driving piece is in a locking state with the first connecting seat 7, the frame is integrally fixed, the movable rod 42 is pushed downwards during retraction, the movable rod 42 is contacted with one end of the lock hook 52, then the other end of the lock hook 52 is tilted, the hook 521 is separated from the fixing pin 75, and the second locking mechanism is driven to unlock. The driving piece 5 can rotate relative to the first connecting seat 7 after the second locking mechanism is unlocked, the driving piece 5 rotates towards the rear wheel bracket 3, and the driving piece 51 drives the lock tongue 111 to be far away from the locking groove 721 along with the rotation of the driving piece 5, so that the first locking mechanism is driven to be unlocked. Simultaneously, the front wheel bracket 2 is driven to rotate towards the rear wheel bracket 3 along with the rotation of the driving piece 5 through the connecting rod 6. After the first locking mechanism is unlocked, the seat assembly 1 can rotate relative to the first connecting seat 7, the seat assembly 1 can rotate and fold towards the front wheel support 2, and the push rod assembly can rotate along with the driving piece 5 and fold towards the rear wheel support 3. The seat components and the push rod components at the front end and the rear end are folded towards the middle at the same time, so that the vehicle folding speed is improved.
Claims (6)
1. The utility model provides a frame beta structure of child car of walking, includes seat subassembly (1), front wheel support (2), rear wheel support (3), push rod subassembly and linkage subassembly, linkage subassembly includes driving piece (5) and connecting rod (6), its characterized in that: the seat comprises a seat body, a rear wheel support (3) and a driving piece (5), wherein the rear wheel support is fixedly connected with the front side of the upper end of the seat body, the rear wheel support is fixedly connected with the rear side of the lower end of the rear wheel support (3), the upper end of the front wheel support (2) is rotatably connected with the front side of the lower end of the first connecting seat (7), the lower end of the seat assembly (1) is rotatably connected with the front side of the upper end of the first connecting seat (7), and the driving piece (5) is rotatably connected with the rear side of the upper end of the first connecting seat (7);
the push rod assembly comprises a fixed rod (41) and a movable rod (42), the lower end of the fixed rod (41) is connected with the driving piece (5), and the movable rod (42) is slidably connected in the fixed rod (41);
a second locking mechanism is arranged between the driving piece (5) and the first connecting seat (7), the driving piece (5) and the first connecting seat (7) rotate and limit under the locking state of the second locking mechanism, the movable rod (42) slides to the lower end of the fixed rod (41) and then drives the second locking mechanism to unlock, and after the second locking mechanism is unlocked, the driving piece (5) can rotate towards the rear wheel bracket (3);
the upper end of the connecting rod (6) is rotationally connected with the driving piece (5), the lower end of the connecting rod (6) is rotationally connected with the upper end of the front wheel support (2), and the driving piece (5) rotationally drives the front wheel support (2) to rotate towards the rear wheel support (3);
the novel bicycle seat is characterized in that a first locking mechanism is arranged between the seat assembly (1) and the first connecting seat (7), the seat assembly (1) and the first connecting seat (7) rotate to limit under the locking state of the first locking mechanism, the driving piece (5) rotates and then drives the first locking mechanism to unlock, and the seat assembly (1) can rotate towards the front wheel support (2) after the first locking mechanism is unlocked.
2. The frame folding structure of a walking baby car as claimed in claim 1, wherein: the front side of the lower end of the first connecting seat (7) is provided with a first groove (71), the front side of the upper end of the first connecting seat (7) is provided with a second groove (72), the rear side of the upper end of the first connecting seat (7) is provided with a third groove (73), and the first groove (71), the second groove (72) and the third groove (73) are communicated through a through groove (74);
the upper end of front wheel support (2) is equipped with second connecting seat (21), second connecting seat (21) rotate and connect in first recess (71), the lower extreme of seat subassembly (1) is equipped with third connecting seat (11), third connecting seat (11) rotate and connect in second recess (72), driving piece (5) rotate and connect in third recess (73).
3. The frame folding structure of the walking baby car as claimed in claim 2, wherein: the first locking mechanism comprises a lock tongue (111) and a lock groove (721), wherein the lock tongue (111) is slidably connected in a third connecting seat (11), the lock groove (721) is formed in the groove wall of a second groove (72), a first reset piece (112) which enables the lock tongue (111) to be kept close to the trend of the lock groove (721) is arranged in the third connecting seat (11), a driving piece (51) which is used for pushing the lock tongue (111) to be separated from the lock groove (721) is arranged on the driving piece (5), and the driving piece (51) pushes the lock tongue (111) along with the rotation of the driving piece (5).
4. The frame folding structure of the walking baby car as claimed in claim 2, wherein: the second locking mechanism comprises a lock hook (52) and a fixed pin (75), the fixed pin (75) is connected in the first connecting seat (7), the middle part of the lock hook (52) is rotationally connected in the driving piece (5), the upper end of the driving piece (5) is provided with a sleeve (53), one end of the lock hook (52) is positioned in the sleeve (53), the other end of the lock hook (52) is provided with a hook part (521), a second reset piece (54) which enables one end of the lock hook (52) to keep away from the barrel bottom trend of the sleeve (53) is arranged between one end of the lock hook (52) and the barrel bottom of the sleeve (53), the hook part (521) is connected with the fixed pin (75) in a free state, the lower end of the fixed rod (41) is connected with the sleeve (53), and when the movable rod (42) slides to the lower end of the fixed rod (41), the lower end of the movable rod (42) is contacted with one end of the lock hook (52), the other end of the lock hook (52) is tilted, and the hook part (521) is separated from the fixed pin (75).
5. A frame fold structure for a walking baby vehicle as claimed in claim 3, wherein: a lock tongue cavity (110) is arranged in the third connecting seat (11), the lock tongue (111) is slidably connected in the lock tongue cavity (110), the first reset piece (112) is a spring, one end of the first reset piece (112) is propped against the inner wall of the lock tongue cavity (110), the other end is propped against one end of the lock tongue (111), and the middle part of the other end of the lock tongue (111) is provided with a concave (1110); the driving block (51) is convexly arranged on the outer wall of the driving piece (5) and passes through the through groove (74) to be in contact with the lock tongue (111), the driving block (51) is provided with an upper inclined surface (511) and a lower inclined surface (512), and when the other end of the lock tongue (111) is positioned in the lock groove (721), the upper inclined surface (511) is propped against the lower end of the indent (1110).
6. The folding frame structure of a walking baby car as defined in claim 4, wherein: a movable cavity (50) for accommodating the lock hook (52) is arranged in the driving piece (5), the movable cavity (50) is communicated with the inner cavity of the sleeve (53), the middle part of the lock hook (52) is rotationally connected in the movable cavity (50) through a pin shaft, and a hook part (521) of the lock hook (52) extends out of the movable cavity (50); the sleeve (53) barrel bottom is equipped with spread groove (531), latch hook (52) one end is equipped with spliced pole (522) towards barrel bottom one side, second restoring member (54) are the spring, and second restoring member (54) one end is located spread groove (531), and the other end cup joints on spliced pole (522).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322237902.4U CN220577337U (en) | 2023-08-18 | 2023-08-18 | Frame folding structure of walking baby car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322237902.4U CN220577337U (en) | 2023-08-18 | 2023-08-18 | Frame folding structure of walking baby car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220577337U true CN220577337U (en) | 2024-03-12 |
Family
ID=90115205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322237902.4U Active CN220577337U (en) | 2023-08-18 | 2023-08-18 | Frame folding structure of walking baby car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220577337U (en) |
-
2023
- 2023-08-18 CN CN202322237902.4U patent/CN220577337U/en active Active
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