CN201745620U - Baby stroller - Google Patents

Abstract

The utility model relates to a baby stroller which comprises a stroller frame, a front wheel component, a rear wheel component and a seat device arranged on the stroller frame for leading a baby to sit or lie, wherein the stroller frame comprises side supports positioned on two sides of the stroller frame and a plurality of cross connecting rods arranged between the side supports on the two sides, each side support comprises a front wheel support, a rear wheel support which is rotationally connected with the rear end part of the front wheel support, a push handle rod which is rotationally connected with the upper end part of the rear wheel support, a connecting seat used for connecting with the seat device, a second locking mechanism arranged between the front wheel support and the rear wheel support, and a first locking mechanism arranged between the push handle rod and the rear wheel support, and the connecting seat and the push handle rod are fixedly arranged. After the first locking mechanism is unlocked, the push handle rod can be close to the rear wheel support relatively, and the seat device can automatically turn over along with the push handle rod, and after the second locking mechanism is unlocked, the front wheel support can be close to the rear wheel support relatively, thereby folding the baby stroller and leading the volume after folding to be smaller.

Description

a children's stroller

technical field

The utility model relates to a stroller for children. the

Background technique

A child stroller in the prior art includes a stroller frame, a front wheel assembly, a rear wheel assembly, and a seat device for children to sit or lie on the stroller frame. The cart frame includes side supports on both sides of the cart frame, a plurality of transverse links between the side supports on both sides, each side support includes a front wheel support, and the The rear wheel bracket that is rotatably connected to the rear end of the front wheel bracket, the push lever that is rotatably connected to the upper end of the rear wheel bracket, the connecting seat used to connect with the seat device, is arranged on the The second locking mechanism between the front wheel bracket and the rear wheel bracket, the first locking mechanism arranged between the push handle bar and the rear wheel bracket, the connecting seat and the The rear wheel bracket is fixedly arranged, and the seat device cannot be folded together with the cart frame. the

Utility model content

The technical problem to be solved by the utility model is to provide a stroller for children. the

To solve the above technical problems, a technical solution adopted by the utility model is: a children's stroller, including a stroller frame, a front wheel assembly, a rear wheel assembly, and a As for the seat device for children to sit or lie down, the stroller frame includes side brackets located on both sides of the stroller frame, and a plurality of horizontal connecting rods arranged between the side brackets on both sides, each Each side support includes a front wheel support, a rear wheel support that is rotatably connected to the rear end of the front wheel support, a push bar that is rotatably connected to the upper end of the rear wheel support, and is used to connect with the described rear wheel support. The connecting seat connected with the seat device, the second locking mechanism arranged between the front wheel bracket and the rear wheel bracket, the second locking mechanism arranged between the push handle bar and the rear wheel bracket For the first locking mechanism, the connecting base is fixedly arranged with the push handle rod. the

In some embodiments, the seat device is detachably connected to the connecting seat, and a third locking mechanism is provided between the seat device and the connecting seat. the

In some embodiments, a first horizontal link is arranged between the rear wheel brackets on both sides, a second horizontal link is arranged between the front wheel brackets on both sides, and the second The locking mechanism is arranged between the first horizontal link and the second horizontal link. the

In some further embodiments, the second locking mechanism includes a lock hook provided on one of the first horizontal link and the second horizontal link, and the second The locking mechanism has a locking position and an unlocking position. When the second locking mechanism is in the locking position, the lock hook hooks the other of the two, and the second locking mechanism also includes a The first elastic member between one of the first horizontal connecting rod, the second horizontal connecting rod and the lock hook. the

In some embodiments, the upper part of the rear wheel bracket is located between the lower part of the connecting base and the lower part of the push handle rod, the upper part of the rear wheel bracket, the connecting base The lower part and the lower part of the push handle bar are connected through a rotating shaft, and the lower part of the connecting seat is connected with the lower part of the push handle bar through a pin shaft. The connecting seat and the push handle bar are fixedly connected by a rotating shaft and a bearing pin, the connecting seat and the rear wheel are rotatably connected by a rotating shaft, and the push handle bar and the rear wheel bracket are rotatably connected by a rotating shaft. And the rear wheel bracket is arranged between the push handle bar and the connecting seat, when the push handle bar is shaken, the impact on the connecting seat is less, so that the sitting on the The child is more comfortable in the seat arrangement described above. the

In some further embodiments, the first locking mechanism includes a first gear groove set on the push handle bar, a second gear groove set on the rear wheel bracket, a first gear block , the first locking mechanism has a locked position and an unlocked position, when the first locking mechanism is in the locked position, the first gear block is inserted between the first gear slot and the second gear slot During this period, when the first locking mechanism is in the unlocked position, the first gear block is only inserted into the second gear slot. the

In some further embodiments, a fourth locking mechanism is provided between the lower part of the connecting seat and the upper part of the rear wheel bracket, and the fourth locking mechanism includes The third gear groove, the fourth gear groove and the second gear block arranged on the rear wheel bracket, and the upper part of the rear wheel bracket has a through hole, and the part of the second gear block passes through The through hole is in conflict with the first gear block, the fourth locking mechanism has a locked position and an unlocked position, when the fourth locking mechanism is in the locked position, the second gear block Inserted between the third gear slot and the fourth gear slot, when the fourth locking mechanism is in the unlocked position, the second gear block is only inserted in the third gear slot, so A second elastic member is provided between the second gear block and the connecting seat to make the fourth locking mechanism stably in the locking position. Since part of the second gear block is in conflict with the first gear block, the second elastic member can also stably keep the first locking mechanism in the locked position. the

In some still further embodiments, the push handle bar is provided with a control mechanism for controlling the transition of the first locking mechanism from the locked position to the unlocked position. the

In some still further embodiments, the control mechanism includes a first rotating part, a second rotating part, an end part and the The traction cable connected with the first rotating part, the operating part movably arranged on the push handle rod, the other end of the traction cable is connected with the operating part, and the second rotating part Located between the first rotating part and the first gear block, the first rotating part has a first slope, the second rotating part has a second slope, and the first slope and The second inclined surface matches. The movable setting includes sliding setting and rotating setting. the

In some still further embodiments, a fourth locking mechanism is provided between the lower part of the connecting seat and the upper part of the rear wheel bracket. the

The scope of the present utility model is not limited to technical solutions formed by a specific combination of the above technical features, but also covers other technical solutions formed by any combination of the above technical features or equivalent features. For example, technical solutions formed by replacing the above-mentioned features with (but not limited to) technical features with similar functions disclosed in this application. the

Due to the application of the above-mentioned technical solutions, the utility model has the following advantages compared with the prior art: after the first locking mechanism is unlocked, the push handle bar moves closer to the rear wheel bracket, the seat device automatically turns over with the push handle bar, and the second lock mechanism is unlocked Finally, the front wheel bracket can be moved closer relative to the rear wheel bracket, so that the stroller is folded, and the folded volume is small. the

Description of drawings

Accompanying drawing 1 is the perspective view of the present utility model (cart frame is in unfolded position);

Accompanying drawing 2 is the front view of the present utility model (cart frame is in unfolded position);

Accompanying drawing 3 is the front view of the present utility model (cart frame is in the conversion process of expanded position and folded position);

Accompanying drawing 4 is the front view of the utility model (cart frame is in folded position);

Accompanying drawing 5 is the connection sectional view of connecting seat, push handle bar, rear wheel support (the third locking mechanism, the fourth locking mechanism are all in unlocking position);

Accompanying drawing 6 is the connection sectional view of connecting seat, push handle bar, rear wheel bracket (the third locking mechanism, the fourth locking mechanism are all in locked position);

Accompanying drawing 7 is the connection schematic diagram of connecting seat, push bar, rear wheel support. the

Among them: 1. Cart frame; 2. Front wheel assembly; 3. Rear wheel assembly; 4. Seat device; 5. Front wheel support; 6. Rear wheel support; 7. Push handle bar; 8. Connecting seat; 9 1, the first horizontal connecting rod; 10, the second horizontal connecting rod; 11, the lock hook; 13, the rotating shaft; 14, the pin shaft; 15, the first gear groove; 16, the second gear groove; 17, the first gear block; 18, the third gear groove; 19, the fourth gear groove; 20, the second gear block; 21, the second elastic member. the

Detailed ways

As shown in accompanying drawing 1-accompanying drawing 2, a kind of stroller for children, comprises stroller frame 1, front wheel assembly 2, rear wheel assembly 3, is arranged on described stroller frame 1 and is used for children Seating device 4 for sitting or lying down. the

The cart frame 1 includes side brackets positioned on both sides of the cart frame 1, and a plurality of transverse connecting rods arranged between the side brackets on both sides, and each side bracket includes a front wheel bracket 5. The rear wheel bracket 6 that is rotatably connected to the rear end of the front wheel bracket 5, the push lever 7 that is rotatably connected to the upper end of the rear wheel bracket 6, and is used to connect with the seat The connection seat 8 connected with the device 4, the second locking mechanism arranged between the front wheel bracket 5 and the rear wheel bracket 6, the push handle bar 7 and the rear wheel bracket The first locking mechanism between 6, the connecting base 8 and the push handle rod 7 are fixedly arranged. The front wheel assembly 2 is arranged on the front part of the front wheel bracket 5 , and the rear wheel assembly 3 is arranged on the bottom of the rear wheel bracket 6 . the

The seat device 4 is detachably connected to the connecting seat 8 , and a third locking mechanism is arranged between the seat device 4 and the connecting seat 8 . The third locking mechanism is not the invention point of the present utility model, as long as it is a locking mechanism that can lock two detachable parts, it can be used here. For example, the seat device 4 is provided with a lock head, so The connecting seat is provided with a lock hole, the third locking mechanism has a locking position and an unlocking position, when the third locking mechanism is in the locking position, the lock head is inserted into the locking hole , when the third locking mechanism is in the unlocked position, the lock head is disengaged from the lock hole, and the third locking mechanism also includes a button capable of stably placing the third locking mechanism in the locked position spring. the

As shown in accompanying drawing 1, a first transverse link 9 is arranged between the described rear wheel supports 6 on both sides, and a second transverse link 10 is arranged between the described front wheel supports 5 on both sides, so The second locking mechanism is arranged between the first horizontal connecting rod 9 and the second horizontal connecting rod 10 . the

As shown in Figure 1, the second locking mechanism includes a lock hook 11 arranged on the second horizontal link 10, the second locking mechanism has a locked position and an unlocked position, when the When the second locking mechanism is in the locking position, the lock hook 11 hooks the first horizontal link 9, and the second locking mechanism also includes a The first elastic member between the locking hooks 11. the

The top of the rear wheel bracket 6 is located between the bottom of the connecting seat 8 and the bottom of the push handle bar 7, the top of the rear wheel bracket 6, the bottom of the connecting seat 8, The three lower parts of the push handle bar 7 are connected by a rotating shaft 13 , and the lower part of the connecting seat 8 is also connected with the lower part of the push handle bar 7 by a pin shaft 14 . the

As shown in accompanying drawings 5 and 6, the first locking mechanism includes a first gear slot 15 provided on the push handle bar 7 and a second gear provided on the rear wheel bracket 6. Slot 16, first gear block 17, the first locking mechanism has a locked position and an unlocked position, when the first locking mechanism is in the locked position, the first gear block 17 is inserted into the first Between the first gear slot 15 and the second gear slot 16 , when the first locking mechanism is in the unlocked position, the first gear block 17 is only inserted into the second gear slot 16 . the

As shown in accompanying drawing 5 and accompanying drawing 6, a fourth locking mechanism is provided between the lower part of the connecting base 8 and the upper part of the rear wheel bracket 6, and the fourth locking mechanism includes The third gear slot 18 on the connecting base 8, the fourth gear slot 19 and the second gear block 20 arranged on the rear wheel bracket 6, and the upper part of the rear wheel bracket 6 has a through hole, so The part of the second gear block 20 passes through the through hole and interferes with the first gear block 17, and the fourth locking mechanism has a locked position and an unlocked position. When the fourth locking mechanism When in the locked position, the second gear block 20 is inserted between the third gear slot 18 and the fourth gear slot 19, and when the fourth locking mechanism is in the unlocked position, the second gear block 20 The gear block 20 is only inserted into the third gear slot 18, and a locking mechanism is provided between the second gear block 20 and the connecting seat 8 so that the fourth locking mechanism is stably in the locked position. The second elastic member 21. the

The push lever 7 is provided with a control mechanism for controlling the transition of the first locking mechanism from the locked position to the unlocked position. The control mechanism includes a first rotating part, a second rotating part, a first rotating part that is rotatably arranged in the first gear slot 15 through the rotating shaft 13, and a traction device with one end connected to the first rotating part. Cable, the operating piece that is slidably arranged on the push handle bar 7, the other end of the traction rope is connected with the operating piece, and the second rotating part is located at the first rotating Between the part and the first gear block, the first rotating part has a first slope, the second rotating part has a second slope, and the first slope is opposite to the second slope Cooperate. Lift up the operating part arranged on the push handle bar 7, and the first rotating part rotates around the rotating shaft 13 under the drive of the traction cable. Since the first inclined surface cooperates with the second inclined surface, the The second rotating part moves from the first gear groove 15 to the second gear groove 16. Since the first gear block 17 is closely attached to the second rotating part, the first gear block 17 is also Then move in the second gear groove 16. the

As mentioned above, we have fully described according to the purpose of the utility model, but the utility model is not limited to the above-mentioned embodiment and implementation method. Practitioners in the relevant technical fields can make different changes and implementations within the scope permitted by the technical ideas of the present utility model. the

Claims (10)

1. A kind of stroller for children, comprising stroller frame (1), front wheel assembly (2), rear wheel assembly (3), be arranged on described stroller frame (1) and be used for sitting for children Or lie seat device (4), described cart frame (1) comprises the side support that is positioned at described cart frame (1) both sides, is arranged between the described side support of both sides A transverse link, each side support includes a front wheel support (5), a rear wheel support (6) that is rotatably connected to the rear end of the front wheel support (5), and the rear wheel support ( 6) The push bar (7) that is rotatably connected to the upper end, the connecting seat (8) that is used to connect with the said seat device (4), is arranged on the said front wheel bracket (5) and said The second locking mechanism between the rear wheel brackets (6), the first locking mechanism arranged between the push handle bar (7) and the rear wheel bracket (6), is characterized in that: The connection seat (8) is fixedly arranged with the described push handle bar (7). 2. A stroller for children according to claim 1, characterized in that: the seat device (4) is detachably connected to the connecting seat (8), and the seat device (4) is connected to the A third locking mechanism is arranged between the connecting seats (8). 3. A kind of stroller for children according to claim 1, characterized in that: a first transverse link (9) is arranged between the said rear wheel brackets (6) on both sides, and said rear wheel brackets (6) on both sides A second horizontal link (10) is arranged between the front wheel brackets (5), and the second locking mechanism is arranged between the first horizontal link (9) and the second horizontal link (10). )between. 4. A stroller for children according to claim 3, characterized in that: the second locking mechanism includes the first horizontal link (9), the second horizontal link ( 10) The locking hook (11) on one of the two, the second locking mechanism has a locking position and an unlocking position, when the second locking mechanism is in the locking position, the locking hook (11) Hooking the other of the two, the second locking mechanism also includes one of the first horizontal link (9) and the second horizontal link (10) and the second horizontal link (10). The first elastic piece between the aforementioned lock hooks (11). 5. A stroller for children according to claim 1, characterized in that: the upper part of the rear wheel bracket (6) is located between the lower part of the connecting seat (8) and the push handle rod (7) ), the upper part of the rear wheel bracket (6), the lower part of the connecting seat (8), and the lower part of the push bar (7) are connected by a rotating shaft (13), The lower part of the connecting seat (8) is also connected with the lower part of the push bar (7) through a pin shaft (14). 6. A stroller for children according to claim 5, characterized in that: said first locking mechanism includes a first gear groove (15) set on said push handle rod (7), set in a The second gear slot (16) and the first gear block (17) on the rear wheel bracket (6), the first locking mechanism has a locked position and an unlocked position, when the first locking mechanism is in In the locked position, the first gear block (17) is inserted between the first gear slot (15) and the second gear slot (16). When the first locking mechanism is in the unlocked position, The first gear block (17) is only inserted into the second gear slot (16). 7. A children's stroller according to claim 6, characterized in that: a fourth locking mechanism is arranged between the lower part of the connecting seat (8) and the upper part of the rear wheel bracket (6), The fourth locking mechanism includes a third gear groove (18) arranged on the connecting base (8), a fourth gear groove (19) arranged on the rear wheel bracket (6), a second Two gear blocks (20), and the top of the rear wheel bracket (6) has a through hole, the part of the second gear block (20) passes through the through hole and the first gear block (17) contradicts, the fourth locking mechanism has a locked position and an unlocked position, when the fourth locking mechanism is in the locked position, the second gear block (20) is inserted into the third Between the gear slot (18) and the fourth gear slot (19), when the fourth locking mechanism is in the unlocked position, the second gear block (20) is only inserted in the third gear slot ( 18), a second elastic member (21) is provided between the second gear block (20) and the connecting seat (8) to make the fourth locking mechanism stably in the locked position. 8. A stroller for children according to claim 6, characterized in that: said push handle bar (7) is provided with a control mechanism for controlling said first locking mechanism to switch from a locked position to an unlocked position . 9. A stroller for children according to claim 8, characterized in that: said control mechanism comprises a first gear rotatably arranged in said first gear slot (15) via said rotating shaft (13) A rotating part, a second rotating part, a traction cable with one end connected to the first rotating part, an operating member movably arranged on the push handle rod (7), and the other part of the traction cable One end is connected to the operating member, the second rotating portion is located between the first rotating portion and the first gear block, the first rotating portion has a first slope, and the The second rotating part has a second slope, and the first slope is matched with the second slope. 10. A stroller for children according to claim 5, characterized in that a fourth locking mechanism is provided between the lower part of the connecting seat (8) and the upper part of the rear wheel bracket (6). the

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