CN205311684U - Convertible children's shallow that is seat pocket mechanism of sleeping basket and has it - Google Patents

Abstract

<b>The utility model discloses a seat mechanism that can be converted into a sleeping basket and a stroller with it, wherein the seat mechanism includes a seat frame with a seat state and a sleeping basket state, and the seat frame includes a bib Frame, seat post and back bar, one end of the seat post and the back bar are rotatably connected, the seat frame also includes a strut and a first connecting rod, one end of the strut is rotatably connected with the surrounding frame, and the other end of the strut One end of the first link is rotatably connected with the frame, and the other end of the first link is rotatably connected with the back bar. The frame, the strut, the back bar, the first link A four-bar linkage mechanism is formed between them, and the seat frame also includes a linkage mechanism that drives the seat post to rotate when the surrounding frame rotates relative to the support rod. The structure of the seat bag mechanism is simple, the user only needs to unlock the locking mechanism, and then drive the surrounding frame to rotate, so that the seat post and the back bar can rotate synchronously, so that the seat frame is in the position between the seat bag and the sleeping basket. Conversion, very convenient to use. </b>

Description

Seat mechanism convertible into sleeping basket and child stroller with same

technical field

The utility model relates to the technical field of children's products, in particular to a seat pocket mechanism which can be converted into a sleeping basket and a children's stroller with the same.

Background technique

On existing strollers, the seat mechanism can mostly be adjusted as a sleeping basket, so that the user can adjust its use state according to the use needs of the child. The seat mechanism includes a seat frame with a sleeping basket state and a seat state. The seat frame usually includes a surrounding frame, a connecting rod extending in the front-rear direction, a backrest rod and a seat with one end respectively pivotally connected to the rear end of the connecting rod. pole. When the seat frame is in the seat position, the seat post and the back bar are set at a certain angle for children to sit, stand and lean on; All placed flat on the same plane. However, during the conversion process of the above-mentioned seat frame, the positions of the backrest bar and the seat post need to be adjusted and locked respectively, the structure is relatively complicated, and it is not easy to operate.

Contents of the invention

The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art and provide a seat pocket mechanism that can be converted into a sleeping basket.

For achieving the above object, the technical scheme that the utility model adopts is:

A seat mechanism that can be converted into a sleeping basket, comprising a seat frame with a seat state and a sleeping basket state, the seat frame includes a surrounding frame, a seat post and a back bar, the seat post and the back bar The seat frame also includes a support rod and a first connecting rod, one end of the support rod is rotatably connected with the surrounding frame, and the other end of the support rod is connected with the backrest Rods are rotatably connected, one end of the first connecting rod is rotatably connected to the surrounding frame, the other end of the first connecting rod is rotatably connected to the backrest rod, the surrounding frame, the brace A four-bar linkage mechanism is formed among the rod, the backrest rod, and the first connecting rod. When the seat frame is switched between the seat bag state and the sleeping basket state, the surrounding frame rotates relative to the support rod, The backrest rod is driven to rotate through the four-bar linkage mechanism, and the seat frame also includes a linkage mechanism that drives the seat post to rotate when the surrounding frame rotates relative to the support rod.

Preferably, the linkage mechanism includes a second link, one end of the second link is rotatably connected to the seat post, and the other end of the second link is rotatably connected to the strut , A four-bar linkage mechanism is formed between the strut, the second connecting rod, the seat post and the back bar.

Preferably, the other end of the strut is rotatably connected to the seatpost, the linkage mechanism includes a third link and a fourth link, and the third link and the fourth link One end is rotatably connected to the support rod through the first shaft, the other end of the third connecting rod is rotatably connected to the seat post, and the other end of the fourth connecting rod is connected to the surrounding frame The first shaft is slidably arranged on the strut, and the seat post, the strut, the first shaft, and the third connecting rod form a crank slider mechanism. A slider crank mechanism is formed between the surrounding frame, the struts, the first shaft, and the fourth connecting rod.

Further, the support rod is provided with a sliding slot extending along the length direction of the supporting rod, and the first shaft passes through the sliding slot and can slide along the extending direction of the sliding slot.

Further, the support rod, the seat post, and the back rod are connected with the same axis through a second shaft for rotation.

Preferably, the seat frame further includes a locking mechanism for locking the seat frame in the seat state or the sleeping basket state, and for unlocking the locking mechanism so that the seat frame is in the seat state and the sleeping basket. An unlocking mechanism that transitions between states.

Further, the locking mechanism is arranged between the surrounding frame and the support bar, and the locking mechanism includes a locking member slidably arranged between the surrounding frame and the support bar, when the locking When the mechanism is in the locked state, the locking part cooperates with the surrounding frame and the support rod; when the locking mechanism is in the unlocked state, the locking part cooperates with the surrounding frame and the support rod. One of the parts mates and dismates the other.

Furthermore, the unlocking mechanism includes an unlocking handle arranged on the surrounding frame, a driving member rotatably arranged between the surrounding frame and the support rod and cooperating with the locking member, the The unlocking handle is connected to the driving part through a traction cable, and the unlocking handle is operated to pull the driving part to rotate through the traction cable, thereby driving the locking part to slide with the two parts of the surrounding frame and the support rod The other part in the disengagement.

Preferably, the seat frame further includes a plug for grafting the seat mechanism on the stroller, and the plug is fixedly connected to the support rod.

Another object of the present utility model is to provide a baby stroller, which has the seat mechanism described in any one of the above items that can be converted into a sleeping basket.

Due to the application of the above-mentioned technical solutions, the utility model has the following advantages compared with the prior art: the seat pocket mechanism of the utility model that can be converted into a sleeping basket is simple in structure, and the seat pocket frame can be placed between the seat pocket state and the sleeping basket state. When converting, the user only needs to unlock the locking mechanism, and then drive the frame to rotate, so that the seat post and the back bar can rotate synchronously, so that the seat frame can be switched between the seat bag and the sleeping basket. conversion, the seat mechanism can easily adjust the working state of the seat frame, and is very convenient to use.

Description of drawings

Accompanying drawing 1 is the structure schematic diagram of the seat pocket mechanism of the utility model that can be converted into a sleeping basket under the use state of the seat pocket (embodiment 1);

Accompanying drawing 2 is the structural diagram of the seat pocket mechanism of the utility model that can be converted into a sleeping basket when the sleeping basket is in use (embodiment 1);

Accompanying drawing 3 is the structure diagram of the seat frame in the seat mechanism of the utility model that can be converted into a sleeping basket (embodiment 1);

Accompanying drawing 4 is the structural diagram of the seat pocket mechanism convertible into a sleeping basket of the utility model under the use state of the seat pocket (embodiment 2);

Accompanying drawing 5 is the structural diagram of the seat pocket mechanism of the utility model that can be converted into a sleeping basket when the sleeping basket is in use (embodiment 2);

Accompanying drawing 6 is the structural diagram of the seat frame of the seat bag mechanism convertible into a sleeping basket of the present invention (embodiment 2).

detailed description

The technical solution of the present utility model will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

Example 1

Referring to the seat mechanism that can be converted into a sleeping basket as shown in Figures 1 to 3, the seat mechanism includes a seat frame and a cloth cover arranged on the seat frame.

The seat frame has a seat state and a sleeping basket state. The seat frame includes an upper frame 1, a support rod 2 supported on the lower part of the frame 1 and extending downward, a seat post 3 and a backrest post 4. The seat post 3 It is rotatably connected with one end of the backrest bar 4 . Specifically, the surrounding frame 1 includes an upper surrounding frame 11, a connecting piece 12 and a lower surrounding frame 13 which are fixedly connected head to tail in sequence; 4-phase rotational connection; the seat frame also includes a first connecting rod 5 , one end of the first connecting rod 5 is rotationally connected to the connector 12 , and the other end of the first connecting rod 5 is rotationally connected to the backrest rod 4 . In this way, a four-bar linkage mechanism is formed among the connecting piece 12 , the strut 2 , the backrest bar 4 and the first connecting rod 5 .

When the seat frame is converted between the seat state and the sleeper state, the surrounding frame 1 is rotated relative to the strut 2, and in the process, the backrest bar 4 can be driven to rotate through the four-bar linkage. The seat frame is also included in the surrounding frame. The linkage mechanism that drives the seat post 3 to rotate during the rotation of the frame 1 relative to the support rod 2, the linkage mechanism includes a second link 61, one end of the second link 61 is rotatably connected to the seat post 3, and the second link 61 The other end of the other end is rotatably connected with the strut 2, so that a four-bar linkage mechanism is also formed between the seat post 3, the back bar 4, the strut 2 and the second connecting rod 61.

The seat frame also includes a locking mechanism for locking the seat frame in the seat state or the sleeping basket state, and the locking mechanism can be arranged between any two parts that are rotationally connected in the above two four-bar linkage mechanisms. In an example, the locking mechanism is arranged between the connecting piece 12 and the strut 2 . Specifically, the locking mechanism includes a locking piece 7 slidably arranged between the connecting piece 12 and the strut 2, the locking piece 7 is provided with a ratchet, and the connecting piece 12 and the strut 2 are respectively provided with When the locking mechanism is in the locked state, the ratchet teeth on the locking piece 7 are respectively engaged with the tooth grooves on the connecting piece 12 and the strut 2. When the locking mechanism is in the unlocked state, the ratchet teeth on the locking piece 7 Engage with the tooth grooves on one of the two parts of the connecting piece 12 and the strut 2, and disengage with the tooth grooves on the other part.

The seat frame also includes an unlocking mechanism for unlocking the locking mechanism so that the seat frame can switch between the seat state and the sleeping basket state. The unlocking mechanism includes an unlocking handle 81 arranged on the surrounding frame 1, which can rotate The driving part 82 is arranged between the connecting part 12 and the strut 2. The driving part 82 is connected with the unlocking handle 81 through a traction cable, and the driving part 82 is matched with the locking part 7. When the unlocking handle 81 is operated, it is pulled The driving member 82 rotates, and the cooperation between the driving member 82 and the locking member 7 drives the locking member 7 to slide between the connecting member 12 and the strut 2, so that the locking member 7 is connected to the other two parts of the connecting member 12 and the strut 2. One part disengages, unlocking the locking mechanism.

The seat frame also includes a reset element 9 for driving the locking member 7 from the unlocked state to the locked state. In this embodiment, the reset element 9 adopts a compression spring, and one end of the compression spring is connected with the locking member 7. The other end is connected with one of the two parts of the connecting piece 12 and the strut 2 .

The seat frame also includes a plug 10, which is fixedly arranged on the support rod 2, and the seat mechanism can be detachably arranged on the stroller through the plug 10.

When the seat frame is in the seat state, a certain angle is set between the seat post 3 and the backrest post 4 for children to sit, stand and lean on. , operate the unlocking handle 81 to unlock the locking mechanism, and then turn the rear of the enclosure 1 downward around the rotational connection point between the enclosure 1 and the strut 2. During the overturning of the enclosure 1, the first connecting rod 5 drives the The back bar 4 turns downwards around the rotational connection point of the strut 2 and the back bar 4, and the second connecting rod 61 drives the seat post 3 to turn downwards around the rotational connection point of the seat post 3 and the back bar 4 until the seat post 3 and The backrest bars 4 are all approximately in a horizontal state, and both are approximately in the same horizontal plane, as shown in Figure 2, the seat pocket is in the sleeping basket state at this time, the unlocking handle 81 is released, and the locking mechanism is reset to the position under the action of the reset element 9. locked state. The conversion process of the seat bag mechanism from the sleeping basket state to the seat seat state is opposite to the above process. After the unlocking handle 81 is operated to unlock the locking mechanism, the rear part of the frame 1 is turned upward around the rotational connection point of the frame 1 and the pole 2. That's it.

Example 2

Referring to Figures 4 to 6, one end of the seat post 3 is rotatably connected to the other end of the strut 2. In this embodiment, one end of the seat post 3, the other end of the strut 2 and the back bar 4 One end of one end of the second shaft 65 is connected to the same axis, and the linkage mechanism includes a third connecting rod 62 and a fourth connecting rod 63, and one end of the third connecting rod 62 and the fourth connecting rod 63 is connected to the strut 2 through the first The shaft 64 is rotatably connected with the same axis, the other end of the third connecting rod 62 is rotatably connected with the seat post 3 , the other end of the fourth connecting rod 63 is rotatably connected with the connecting piece 12 , and the first shaft 64 can move along the strut 2 Slidingly set on the strut 2 in the direction of extension. Specifically, the strut 2 is provided with a chute 21 extending along the length direction of the strut 2, the first shaft 64 passes through the chute 21 and can slide in the chute 21 along its extending direction, when the seat frame is in the When the seat is in the state of the seat, the first shaft 64 is located at the upper end of the chute 21 , and when the seat frame is in the state of the sleeping basket, the first shaft 64 is located at the lower end of the chute 21 . In this way, a slider crank mechanism is formed between the seatpost 3, the strut 2, the first shaft 64 and the third connecting rod 62, and between the connecting piece 12, the strut 2, the first shaft 64 and the fourth connecting rod 63. A slider crank mechanism is also formed.

The rest are the same as in Embodiment 1, and will not be repeated here.

When the seat mechanism in this embodiment is converted from the seat state shown in FIG. 4 to the sleeping basket state described in FIG. 5 , the unlocking handle 81 is operated to unlock the locking mechanism, and then the rear portion of the surrounding frame 1 is wound around the surrounding frame. 1 and the pivoting connection point of the strut 2 are turned downwards. During the turning over of the surrounding frame 1, the first connecting rod 5 is used to drive the backrest bar 4 to turn downwards around the rotational connection point of the strut 2 and the backrest bar 4, and at the same time, the The fourth connecting rod 63 turns over so that the first shaft 64 slides downward on the strut 2, and the third connecting rod 62 drives the seat post 3 to turn downward around the rotational connection point between the seat post 3 and the back bar 4 until the seat post 3 and the backrest bar 4 are approximately in a horizontal state, and the two are approximately in the same horizontal plane, as shown in Figure 5, at this time the seat pocket is in the sleeping basket state, the unlocking handle 81 is released, and the locking mechanism resets under the action of the reset element 9 to the locked state. The conversion process of the seat bag mechanism from the sleeping basket state to the seat seat state is opposite to the above process. After the unlocking handle 81 is operated to unlock the locking mechanism, the rear part of the frame 1 is turned upward around the rotational connection point of the frame 1 and the pole 2. That's it.

The above-mentioned embodiments are only to illustrate the technical conception and characteristics of the present utility model, and its purpose is to allow those familiar with this technology to understand the content of the utility model and implement it accordingly, and not to limit the protection scope of the utility model. All equivalent changes or modifications made according to the spirit of the utility model shall fall within the protection scope of the utility model.

Claims (10)

1. the Zuo Dou mechanism that can be exchanged into sleeping basket, including the seat pocket frame with a pocketed state and sleeping basket state, described seat pocket frame includes peripheral frame, seat bar and back support bar, the one end of described seat bar and described back support bar rotates connection, it is characterized in that: described seat pocket frame also includes strut and first connecting rod, the one end of described strut rotates with described peripheral frame and is connected, the other end of described strut rotates with described back support bar and is connected, the one end of described first connecting rod rotates with described peripheral frame and is connected, the other end of described first connecting rod rotates with described back support bar and is connected, described peripheral frame, described strut, described back support bar, quadric chain is formed between described first connecting rod, described seat pocket frame is present when mutually changing between pocketed state and sleeping basket state, described peripheral frame rotates relative to described strut, order about described back support bar by described quadric chain to rotate, described seat pocket frame is additionally included in described peripheral frame and orders about the interlinked mechanism that described seat bar rotates when described strut rotates.

2. the Zuo Dou mechanism that can be exchanged into sleeping basket according to claim 1, it is characterized in that: described interlinked mechanism includes second connecting rod, the one end of described second connecting rod rotates with described seat bar and is connected, the other end of described second connecting rod rotates with described strut and is connected, and forms quadric chain between described strut, described second connecting rod, described seat bar, described back support bar.

3. the Zuo Dou mechanism that can be exchanged into sleeping basket according to claim 1, it is characterized in that: the other end of described strut rotates with described seat bar and is connected, described interlinked mechanism includes third connecting rod and fourth link, the one end of described third connecting rod and described fourth link is rotationally connected by the first axle and described strut same axis, the other end of described third connecting rod rotates with described seat bar and is connected, the other end of described fourth link rotates with described peripheral frame and is connected, described first axle can be slidably arranged on institute's strut, described seat bar, described strut, described first axle, slider-crank mechanism is formed between described third connecting rod, described peripheral frame, described strut, described first axle, slider-crank mechanism is formed between described fourth link.

4. the Zuo Dou mechanism that can be exchanged into sleeping basket according to claim 3, it is characterised in that: described strut is provided with the chute that the length direction along described strut extends, and described first axle is located in described chute and can slide along the bearing of trend of described chute.

5. the Zuo Dou mechanism that can be exchanged into sleeping basket according to claim 3, it is characterised in that: described strut, described seat bar, described back support bar are rotationally connected by the second axle same axis.

6. the Zuo Dou mechanism that can be exchanged into sleeping basket according to claim 1, it is characterised in that: described seat pocket frame also includes the locking mechanism for the locking of described seat pocket frame be present pocketed state or sleeping basket state, is used for making the unblock of described locking mechanism the present solution latch mechanism of conversion mutually between pocketed state and sleeping basket state of described seat pocket frame.

7. the Zuo Dou mechanism that can be exchanged into sleeping basket according to claim 6, it is characterized in that: described locking mechanism is arranged between described peripheral frame and described strut, described locking mechanism includes the locking piece that can be slidably arranged between described peripheral frame and described strut, when described locking mechanism is in the lock state, described locking piece all matches with described peripheral frame and described strut, when described locking mechanism is in released state, described locking piece matches with parts in described peripheral frame and two parts of described strut, disengages with another parts.

8. the Zuo Dou mechanism that can be exchanged into sleeping basket according to claim 7, it is characterized in that: described solution latch mechanism includes the actuator unlocking handle, can being rotatably arranged between described peripheral frame with described strut and match with described locking piece being arranged in described peripheral frame, the described handle that unlocks is connected by hauling rope with described actuator, operate described unblock to shake hands, pulling described actuator to rotate by described hauling rope, disengaging with another parts in described peripheral frame and two parts of described strut thus ordering about the slip of described locking piece.

9. the Zuo Dou mechanism that can be exchanged into sleeping basket according to claim 1, it is characterised in that: described seat pocket frame also includes for by described Zuo Dou mechanism grafting plug on children trolley, and described plug is fixedly connected on described strut.

10. a children trolley, it is characterised in that: there is the Zuo Dou mechanism that can be exchanged into sleeping basket as according to any one of claim 1 ~ 9.