IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0831880
(2015-08-21)
|
등록번호 |
US-9796404
(2017-10-24)
|
발명자
/ 주소 |
|
출원인 / 주소 |
- Dongguan Master Kids Toy Co., Ltd
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
6 |
초록
▼
An interlocking folding component for strollers, comprising: a handle lower tube, bending joints and folding joints installed on the upper end and lower end of the handle lower tube; the folding joint is configured with a first locking device to lock itself to prevent rotation; the bending joint is
An interlocking folding component for strollers, comprising: a handle lower tube, bending joints and folding joints installed on the upper end and lower end of the handle lower tube; the folding joint is configured with a first locking device to lock itself to prevent rotation; the bending joint is configured with a second locking device to lock itself to prevent rotation; the second locking device is interlocked with the first locking device and can unlock the first locking device; the upper end of the bending joint is configured with an unlocking device; the unlocking device can be driven to unlock the second locking device, so that the bending joint can rotate, and during rotation. After folding, the stroller occupies a small space and can stand, providing great convenience for transportation and storage.
대표청구항
▼
1. An interlocking folding component for strollers, comprising: a handle lower tube (21), first folding joints (1) and second folding joints (3) installed on an upper end and lower end of the handle lower tube (21); the first folding joint (1) is configured with a first locking device (4) which lock
1. An interlocking folding component for strollers, comprising: a handle lower tube (21), first folding joints (1) and second folding joints (3) installed on an upper end and lower end of the handle lower tube (21); the first folding joint (1) is configured with a first locking device (4) which locks the first folding joint (1) to avoid rotation; the second folding joint (3) is configured with a second locking device (5) which locks the second folding joint (3) to avoid rotation; the second locking device (5) is interlocked with the first locking device (4) and can unlock the first locking device (4); an upper end of the second folding joint (3) is configured with an unlocking device (6); the unlocking device (6) can be driven to unlock the second locking device (5), so that the second folding joint (3) can rotate, and during rotation, the second folding joint (3) will pull and unlock the first locking device (4), so that the first folding joint (1) can rotate to fold the stroller, wherein the second folding joint (3) includes lower joint (31) and upper joint (32) that are installed to match each other; the lower joint (31) and upper joint (32) are respectively connected with the handle lower tube (21) and unlocking device (6). 2. The device defined in claim 1, wherein the folding joint (1), wherein the first folding joint (1) is installed with a front leg tube (22) that can fold with respect to the handle lower tube (21); the lower end of the handle lower tube (21) is installed with a back leg tube (23) that can rotate, and between the back leg tube (23) and front leg tube, a seat frame tube (25) is installed; the handle lower tube (21), the front leg tube (22), and the back leg tube (23) are all in arc shape. 3. The device defined in claim 1, wherein the first folding joint (1) is installed with front leg tube (22), armrest (24) and back let tube (23) that can fold with respect to the handle lower tube (21); between the back leg tube (23), handle lower tube (21) and front leg tube (22), an interlocking hinge joint component (27) is installed. 4. The device defined in claim 3, wherein the first folding joint (1) includes: an inner joint seat (13), an outer joint seat (14) installed on the outer side of the inner joint seat (13) and capable of rotation with respect to the inner joint seat (13) and a middle joint seat (15) installed between the inner joint seat (13) and outer joint seat (14); the inner, outer, and middle joint seats (13, 14, 15) are respectively connected to the front leg tube (22), handle lower tube (21) and back leg tube (23), and the middle joint seat (15) is in the shape of a plate, which includes a positioning groove (151) defined in a periphery thereof. 5. The device defined in claim 3, wherein the interlocking hinge joint component (27) includes a first, second and third interlocking plates (271, 272, 273), each having one end hinged with each other; the first interlocking plate (271) having another end is connected with the front leg tube (22), the second interlocking plate (272) having another end is connected with the back leg tube (23), and the third interlocking plate (273) having another end is connected with the handle lower tube (21). 6. The device defined in claim 1, wherein the first folding joint (1) in installed with front leg tube (22) and back leg tube (23) that can fold with respect to the handle lower tube (21). 7. The device defined in claim 6, wherein the first folding joint (1) includes a first, second, and third joint seat (16, 17, 18) that are hinged with each other; the second joint seat (17) is in the shape of a plate, and the first, second, and third joint seats (16, 17, 18) are respectively connected with the back leg tube (23), front leg tube (22) and handle lower tube (21). 8. The device defined in claim 7, wherein the first joint seat (16) is configured with a positioning pulling bar (161) to position the first, second, and third joint seats (16, 17, 18) after unfolding, and the upper end of the positioning pulling bar (161) is installed with a sixth iron pin (162), and connected with the second and third joint seat (17, 18) through the sixth iron pin (162); the lower end of the positioning pulling bar (161) is installed with fourth spring (163) and positioning iron pin (164) that match each other; the positioning iron pin (164) is installed in the positioning chute configured inside the first joint seat (16). 9. The device defined in claim 1, wherein a seizing part (43) on the inner wall of the bottom edge of the filter container (4), the filter screen (42) comprises a silica gel cover (421) gripping the seizing part (43) and a screen (422) at the bottom of the silica gel cover (421). 10. The device defined in claim 9, wherein the first locking device (4) comprises a first spring (41) and a folding pulling bar (42) installed on the lower end of the handle lower tube (21) and extending into the rotating seat (12); the folding pulling bar (42) is installed with first and second iron pins (421, 422), and is connected to the rotating seat (12) and the joint seat (11) through the first and second iron pins (421, 422). 11. The device defined in claim 1, wherein the second locking device (5) includes a driving pulling bar (51) and a second spring (52) that extend into the upper joint (32), and an interlocking pulling bar (53) installed on an upper end of the handle lower tube (21) and extending into the lower joint (31); the driving pulling bar (51) is connected to the unlocking device (6) through a first steel wire; the interlocking pulling bar (53) is connected to the first locking device (4) through a second steel wire. 12. The device defined in claim 1, wherein the unlocking device (6) includes a handle U-tube (64) installed on the upper end of the second folding joint (3), an enclosure (61) installed in the middle of the handle U-tube (64), a driving button (62) installed inside the enclosure (61) to drive the second locking device (5) for unlocking, third spring to match the driving button (62), and a safe button (63) to lock the driving button (62) to prevent its movement. 13. An interlocking folding method for strollers, comprising the following steps: first step: provide a stroller, the stroller including an interlocking folding component for strollers as stated in claim 1;second step: activate the unlocking device (6) of the interlocking folding component for strollers, and drive the unlocking device (6) to unlock the locked second locking device (5) in the second folding joint (3), so that the second folding joint (3) can rotate;third step: rotate the second folding joint (3); during rotation, the second folding joint (3) will pull the locked first locking device (4) inside the first folding joint (1), and unlock the first locking device (4), so that the first folding joint (1) can rotate; then, by rotating the first folding joint (1), the front and back leg tubes, handle lower tubes, and bending joints connected with the first folding joint (1) can be closed to fold the stroller.
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