CN204623543U - The Zuo Dou mechanism of doll carriage - Google Patents

Abstract

The utility model discloses a seat pocket mechanism of a baby stroller, which comprises a surrounding frame, an inserting piece which is rotatably connected with a connecting piece in the middle of the surrounding frame and used for plugging in with a vehicle frame, and a seat cushion rod assembly. The two sides of the assembly are respectively pinned with connecting pieces, and the upper end of the connecting piece is connected to the connecting piece in rotation. There is a second locking mechanism that locks the connecting piece at least in the seat pocket state, and a third locking mechanism that can realize locking in the seat pocket state and the sleeping basket state is provided between the lower end of the connecting piece and the seat post assembly; the utility model Not only can the switch between the seat pocket and the sleeping basket be realized at any time, but also the original backrest assembly and linkage structure are eliminated, the structure is simple, the cost is low, and the operation is convenient and fast.

Description

Seat mechanism for baby stroller

technical field

The utility model relates to a seat pocket mechanism of a baby stroller.

Background technique

Some existing baby strollers design the seat pocket or sleeping basket as a structure that can be plugged and installed with the frame, and the conversion of the two functions can be realized by replacing the seat pocket or sleeping basket. Although this design reduces the cost to a certain extent, However, it is still necessary to equip a frame with a seat pocket and a sleeping basket, the cost is still not low, and it cannot be replaced in real time as needed. The replacement can only be realized when the two accessories are available at the same time. It is obviously impractical to replace the sleeping cot with a seat pocket or the seat pocket with a sleeping cot when the car is going out, so even if it is equipped with two accessories, it cannot be replaced at any time, so it cannot better meet the needs of the child .

In order to solve the above problems, some existing baby strollers design their seat pocket mechanism as a structure that can be switched between the seat pocket and the sleeping basket. It is convenient, but most of the existing seat pocket mechanisms include a surrounding frame, a plug connector that is rotatably connected to the surrounding frame, a seat rod assembly and a backrest rod assembly, and a connection that can rotate relative to the surrounding frame needs to be provided between the seat rod assembly and the surrounding frame. Structure, there is a locking mechanism between the connecting structure and the surrounding frame, and a corresponding linkage structure is also required between the backrest bar assembly and the surrounding frame, so there are many overall parts, the structure is relatively complicated, the assembly is cumbersome and the cost is high.

Contents of the invention

The purpose of the utility model is to provide a seat pocket mechanism of a baby stroller, which can not only realize the switch between the seat pocket and the sleeping basket at any time, but also cancel the original backrest assembly and linkage structure, the structure is simple, and the cost is relatively low. Low, easy and fast operation.

The technical solution of the utility model is: a seat pocket mechanism of a baby stroller, including a surrounding frame, an inserting piece that is rotatably connected to the connecting piece in the middle of the surrounding frame and used for plugging into the vehicle frame, and a seat rod assembly. The two sides of the cushion rod assembly are respectively pinned with connecting pieces, the upper end of the connecting piece is connected to the connecting piece in rotation, and a first locking mechanism is provided between the connecting piece and the plug-in piece to prevent the relative rotation of the two. The connecting piece is provided with a second locking mechanism for locking the connecting piece at least in the seat state, and a third locking mechanism is provided between the lower end of the connecting piece and the seat post assembly, which can realize locking in the seat state and the sleeping basket state respectively.

The first locking mechanism includes a gear arranged in the first tooth groove of the plug connector, a first pressure spring arranged between the gear and the first tooth groove and extending axially, and a second tooth groove arranged in the connecting piece The sliding block inside and can slide relative to it, the unlocking knob arranged on the upper part of the surrounding frame, and the traction lock arranged between the unlocking knob and the sliding block, the side of the sliding block close to the gear has a convex and inclined sliding surface, The gear has a concave inclined sliding surface matched with the convex and inclined sliding surface. In the working state, the gear is stuck in the first tooth groove and the second tooth groove at the same time. At this time, the connecting piece and the socket are locked, and the two cannot Relative rotation, when unlocking, press the unlocking knob, the unlocking knob drives the sliding block to move up through the traction lock, at this time, the sliding block drives the gear to exit the second tooth slot and fully enter through the cooperation of the convex and concave sliding surface. The first tooth groove, at this moment, the locking between the connecting piece and the socket piece is released, and the two can rotate relatively.

The second locking mechanism includes an adjusting block arranged on the connecting piece which can move axially relative to it, a second pressure spring arranged between the adjusting blocking piece and the connecting piece, and a rear stop which is protrudingly arranged on the connecting piece Block, the front side edge of the adjustment block has a front block that matches the slot on the front side of the upper part of the connecting piece. The rear side of the rear edge is set against the front side of the rear block, and then the connecting piece is locked so that it cannot rotate in the circumferential direction. When unlocking, press the adjusting stopper, the second compression spring is compressed, and the adjusting stopper moves toward the connecting piece and withdraws. At this time, the connecting piece can rotate forward relative to the connecting piece.

The third locking mechanism includes a front locking hook and a rear locking hook which are arranged on the lower end of the connecting piece and are respectively located on the front and rear sides of the rotating shaft between it and the seat bar assembly, and a pull rod which can move forward and backward relative to the seat bar assembly. assembly, and the third compression spring arranged between the pull rod assembly and the seat cushion rod assembly, the front guide hole and the rear guide hole are respectively provided on both sides of the seat cushion rod assembly, and the front guide holes and the rear guide holes are respectively provided on both sides of the pull rod assembly. The front and rear protrusions of the hole and the rear guide hole, when the seat is in the working state, the front and rear protrusions are respectively located at the rear of the front and rear guide holes, and the front lock hook hooks the front protrusion to realize locking. At this time, the connecting piece cannot rotate relative to the seat rod assembly. When the seat is in the working state of the sleeping basket, the front and rear protrusions are respectively located at the rear of the front and rear guide holes, and the rear lock hook hooks the rear protrusion to realize locking. The piece cannot rotate relative to the seat rod assembly. When unlocking, you only need to pull the pull rod assembly forward, and the pull rod assembly drives the front and rear protrusions to move forward along the front guide hole and the rear guide hole, so that the front protrusion withdraws from the front lock hook or The rear post withdraws from the rear lock hook, and now the connecting piece can rotate relative to the seat post assembly.

When the utility model needs to be converted from the seat pocket state to the sleeping basket state, the pull rod assembly is pulled forward to release the lock of the third locking mechanism, the adjustment catch is pressed to release the second lock mechanism, and the unlocking handle is pinched to release the first locking mechanism. Locking of the locking mechanism, when rotating and adjusting to an appropriate position, the first locking mechanism will lock the connector and the connector again, and the rear locking hook in the third locking mechanism hooks the rear boss to realize locking.

When the utility model is converted from the sleeping basket state to the seat pocket state, the pull rod assembly is pulled forward to release the lock of the third locking mechanism, and the unlocking handle is squeezed to release the lock of the first lock mechanism, and then the rotation is adjusted to an appropriate position. , the first locking mechanism will lock the connecting piece and the plug-in piece again, the second locking mechanism will clamp the connecting piece again to prevent its circumferential rotation under the reset action of the second compression spring, and the front lock in the third locking mechanism Hook hooks over front post for lock in.

The utility model has the advantages that: the utility model not only can realize the switch between the seat pocket and the sleeping basket at any time, but also cancels the original backrest assembly and interlocking structure, and has simple structure, low cost, convenient and fast operation.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is the structural representation when the utility model is in seat pocket state;

Fig. 2 is a schematic side view of the utility model when it is in the seat pocket state;

Fig. 3 is the side schematic diagram when the utility model is in sleeping basket state;

Figure 4 is a partial enlarged view of the utility model when it is in the seat pocket state;

Fig. 5 is a schematic diagram of the assembly structure at Fig. 4;

Fig. 6 is a schematic diagram of the cooperation structure of the gear and the sliding part in the utility model;

Fig. 7 is a schematic cross-sectional structure diagram of Fig. 6;

Fig. 8 is a schematic diagram of the assembly structure of the seat bar assembly and the connecting piece in the present invention.

Among them: 1 surrounding frame; 11 connecting piece; 111 second alveolar;

2 connectors; 21 the first tooth groove;

3 seat cushion rod assembly; 31 front guide hole; 32 rear guide hole;

4 connecting pieces; 41 card slots;

5 first locking mechanism; 51 gear; 511 concave inclined sliding surface; 52 first compression spring; 53 sliding block; 531 convex inclined sliding surface; 54 unlocking knob; 55 traction lock;

6 second locking mechanism; 61 adjustment block; 611 front block; 62 second compression spring; 63 rear block;

7 the third locking mechanism; 71 front lock hook; 72 rear lock hook; 73 pull bar assembly; 731 front convex column; 732 rear convex column;

Detailed ways

Embodiment: As shown in Figures 1 to 8, a seat mechanism of a baby stroller includes a frame 1 and a connector rotatably connected to the connecting part 11 in the middle of the frame 1 and used for plugging into the frame 2. And the seat bar assembly 3, the two sides of the seat bar assembly 3 are respectively pinned with connecting pieces 4, and the upper end of the connecting piece 4 is rotatably connected with the connecting piece 11, and the connecting piece 11 and the plug-in piece 2 are provided There is a first locking mechanism 5 that can prevent the relative rotation of the two. The connecting piece 11 is provided with a second locking mechanism 6 that locks the connecting piece 4 at least in the seat pocket state. The lower end of the connecting piece 4 is connected to the seat rod assembly 3 A third locking mechanism 7 that can be locked in the seat pocket state and the sleeping basket state is provided between them.

In this embodiment, the second locking mechanism 6 is only locked when the connecting member 11 is in the seat pocket state. Since the seat pocket mechanism is converted into the sleeping basket state, the connecting piece 4 will automatically droop under its own gravity, so this state There is no need to lock the connecting piece 4, and there is another advantage of not locking the connecting piece 4 in this state: under the action of the cloth cover, the bottom of the sleeping basket can also be slightly rocked back and forth, which can make infants fall asleep or entertain better.

In this embodiment, the first locking mechanism 5 includes a gear 51 arranged in the first tooth groove 21 of the plug connector 2 , a first pressing force arranged between the gear 51 and the first tooth groove 21 and extending axially. The spring 52, the sliding block 53 that is arranged in the second tooth groove 111 of the connecting member 11 and can slide relative to it, the unlocking knob 54 that is arranged on the upper part of the surrounding frame 1, and is arranged between the unlocking knob 54 and the sliding block 53 The traction lock 55, the side of the sliding block 53 close to the gear 51 has a convex and inclined sliding surface 531, and the gear 51 has a concave and inclined sliding surface 511 matched with the convex and inclined sliding surface 531. In the working state, the gear 51 is locked at the same time It is located in the first tooth groove 21 and the second tooth groove 111. At this time, the connecting piece 11 and the plug-in piece 2 are locked, and the two cannot rotate relative to each other. When unlocking, press the unlocking knob 54, and the unlocking knob 54 passes through the traction lock. 55 drives the sliding block 53 to move upwards. At this time, the sliding block 53 drives the gear 51 to withdraw from the second tooth groove 111 and completely enters the first tooth groove 21 through the cooperation of the convex slope sliding surface 531 and the slope of the concave slope sliding surface 511. At this time, the connecting piece The locking between 11 and the connector 2 is released, and the two can rotate relative to each other.

In this embodiment, the second locking mechanism 6 includes an adjusting block 61 arranged on the connecting piece 11 that can move axially relative to it, and a second pressure spring 62 arranged between the adjusting blocking piece 61 and the connecting piece 11 , and the rear block 63 protrudingly arranged on the connector 11, the front side edge of the adjustment block 61 has a front block 611 that cooperates with the draw-in groove 41 on the upper front side of the connection sheet 4, during the working state, the adjustment block The front block 611 of the sheet 61 is engaged with the slot 41 of the connecting sheet 4, and the rear edge of the connecting sheet 4 is arranged on the front side of the rear block 63, and then the connecting sheet 4 is locked so that it cannot rotate circumferentially and is unlocked. , press the adjusting blocking piece 61, the second compression spring 62 is compressed, and the adjusting blocking piece 61 moves toward the connecting piece 11 and withdraws from the slot 41. At this time, the connecting piece 4 can rotate forward relative to the connecting piece 11.

In this embodiment, the third locking mechanism 7 includes a front locking hook 71 and a rear locking hook 72 which are arranged on the lower end of the connecting piece 11 and are respectively located on the front and rear sides of the rotation shaft between it and the seat rod assembly 3 , the pull rod assembly 73 that can move back and forth relative to the seat rod assembly 3, and the third compression spring 74 arranged between the pull rod assembly 73 and the seat rod assembly 3, and the front guide holes 31 respectively provided on both sides of the seat rod assembly 3 and the rear guide hole 32, the two sides of the pull rod assembly 73 have the front protruding post 731 and the rear protruding post 732 passing through the front guide hole 31 and the rear guide hole 32 respectively. Columns 731, 732 are respectively located at the rear of the front and rear guide holes 31, 32, and the front lock hook 71 hooks the front convex column 731 to realize locking. At this time, the connecting piece 4 cannot rotate relative to the seat rod assembly 3. In the normal state, the front and rear bosses 731, 732 are respectively located at the rear of the front and rear guide holes 31, 32, and the rear lock hook 72 hooks the rear boss 732 to realize locking. At this time, the connecting piece 4 cannot rotate relative to the seat bar assembly 3 , when unlocking, you only need to pull the pull rod assembly 73 forward, and the pull rod assembly 73 drives the front protrusion 731 and the rear protrusion 732 to move forward along the front guide hole 31 and the rear guide hole 32, so that the front protrusion 731 withdraws from the front lock hook 71 Or the rear post 732 withdraws from the rear locking hook 72 , and at this time the connecting piece 4 can rotate relative to the seat bar assembly 3 .

When the utility model needs to be converted from the seat pocket state to the sleeping basket state, respectively pull the lever assembly 73 to release the lock of the third locking mechanism 7, press the adjustment catch 61 to release the second locking mechanism 6, and pinch the unlocking knob 54 to release the lock of the first locking mechanism 5, and then rotate and adjust to an appropriate position, the first locking mechanism 5 will lock the connecting piece 11 and the plug-in piece 2 again, and the rear lock hook 72 in the third locking mechanism 7 is hooked The rear protrusion 732 realizes locking.

When the utility model is converted from the sleeping basket state to the seat pocket state, respectively pull the pull rod assembly 73 to release the lock of the third locking mechanism 7, and pinch the unlocking knob 54 to release the lock of the first locking mechanism 5, and then rotate and adjust When it reaches the appropriate position, the first locking mechanism 5 will lock the connecting piece 11 and the plug-in piece 2 again, and the second locking mechanism 6 will clamp the connecting piece 4 again to prevent its circumferential rotation under the reset action of the second compression spring 62 , and the front locking hook 71 in the third locking mechanism 7 hooks the front protrusion 731 to realize locking.

The utility model can not only realize the switch between the seat pocket and the sleeping basket at any time, but also cancels the original backrest assembly and the interlocking structure, and has simple structure, low cost, convenient and fast operation.

The above are only specific application examples of the utility model, and do not constitute any limitation to the protection scope of the utility model. In addition to the above-mentioned embodiments, the utility model can also have other implementations. All technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope of the utility model.

Claims (4)

1. A seat pocket mechanism for a baby stroller, comprising a frame (1), a connector (2) that is rotatably connected to the connecting piece (11) in the middle of the frame (1) and used to be plugged into the vehicle frame, and the seat bar assembly (3), characterized in that: the two sides of the seat bar assembly (3) are respectively pinned with connecting pieces (4), and the upper end of the connecting piece (4) is rotatably connected with the connecting piece (11). A first locking mechanism (5) is provided between the connecting piece (11) and the plug-in piece (2) to prevent the relative rotation of the two, and the connecting piece (11) is provided with a locking connecting piece at least in the seat pocket state. (4) the second locking mechanism (6), between the lower end of the connecting piece (4) and the cushion bar assembly (3) is provided with a third locking mechanism (7) that can be locked in the seat pocket state and the sleeping basket state respectively ). 2. The seat pocket mechanism of a stroller according to claim 1, characterized in that: the first locking mechanism (5) includes a first tooth groove (21) arranged in the socket (2) The gear (51), the first compression spring (52) that is arranged between the gear (51) and the first tooth groove (21) and extends axially, and the second tooth groove (111) that is arranged on the connecting piece (11) The sliding block (53) inside and can slide relative to it, the unlocking handle (54) arranged on the upper part of the surrounding frame (1), and the traction lock (54) arranged between the unlocking handle (54) and the sliding block (53) 55), the sliding block (53) has a convex inclined sliding surface (531) on the side close to the gear (51), and the gear (51) has a concave inclined sliding surface (511) matched with the convex inclined sliding surface (531) ), in the working state, the gear (51) is stuck in the first tooth groove (21) and the second tooth groove (111) at the same time, at this time the connector (11) and the connector (2) are locked, and both Unable to rotate relatively, when unlocking, press the unlocking knob (54), the unlocking knob (54) drives the sliding block (53) to move up through the traction lock (55), and now the sliding block (53) passes through the convex sliding surface (531 ) cooperates with the inclined surface of the concave inclined sliding surface (511) to drive the gear (51) to exit the second tooth groove (111) and completely enter the first tooth groove (21). The lock between them is released, and the two can rotate relative to each other. 3. The seat pocket mechanism of a baby stroller according to claim 1, characterized in that: the second locking mechanism (6) includes an adjustment device arranged on the connecting piece (11) that can move axially relative to it. The blocking plate (61), the second compression spring (62) arranged between the adjusting blocking plate (61) and the connecting piece (11), and the rear stopper (63) protrudingly arranged on the connecting piece (11), so The front side edge of the adjustment block (61) has a front block (611) that matches the draw-in groove (41) on the upper front side of the connecting piece (4). During the working state, the front block of the adjustment block (61) (611) engages with the draw-in slot (41) of the connecting piece (4), and the rear side of the connecting piece (4) is arranged on the front side of the rear stopper (63), thereby locking the connecting piece (4), making it Unable to rotate in the circumferential direction. When unlocking, press the adjusting block (61), the second pressure spring (62) is compressed by force, and the adjusting block (61) moves toward the connecting piece (11) and exits the card slot (41). At this time The connecting piece (4) can rotate forward relative to the connecting piece (11). 4. The seat pocket mechanism of a baby stroller according to claim 1, 2 or 3, characterized in that: the third locking mechanism (7) is provided at the lower end of the connecting piece (11) and is respectively located The front locking hook (71) and the rear locking hook (72) on the front and rear sides of the rotating shaft between the seat cushion bar assembly (3) and the pull bar assembly (73) that can move back and forth relative to the seat cushion bar assembly (3), And the third compression spring (74) arranged between the pull rod assembly (73) and the cushion rod assembly (3), the front guide hole (31) and the rear guide hole respectively provided on both sides of the cushion rod assembly (3) (32), the two sides of the pull rod assembly (73) have the front convex column (731) and the rear convex column (732) passing through the front guide hole (31) and the rear guide hole (32) respectively. During the working state, the front and rear bosses (731, 732) are respectively located at the rear of the front and rear guide holes (31, 32), and the front locking hook (71) hooks the front boss (731) to realize locking. The sheet (4) cannot rotate relative to the seat rod assembly (3). When the seat is in the working state of the sleeping basket, the front and rear bosses (731, 732) are respectively located at the rear of the front and rear guide holes (31, 32). The lock hook (72) hooks the rear boss (732) to realize locking, and now the connecting piece (4) cannot rotate relative to the cushion rod assembly (3). When unlocking, only the pull rod assembly (73) needs to be pulled forward, and the pull rod assembly ( 73) Drive the front convex column (731) and the rear convex column (732) to move forward along the front guide hole (31) and the rear guide hole (32), so that the front convex column (731) withdraws from the front locking hook (71) or the rear The post (732) withdraws from the rear lock hook (72), and now the connecting piece (4) can rotate relative to the seat post assembly (3).