CN210882285U - stroller - Google Patents

Abstract

The utility model discloses a children's barrow, which comprises a frame and a seat mechanism arranged on the frame, wherein the seat mechanism comprises a front support rod, a front seat rod, a rear seat rod and a rear support rod which are connected in sequence in a rotating way along the length direction, one of the front seat rod and the rear seat rod and the frame are connected with a reversing connecting rod in a rotating way, and can rotate relatively and can be connected with the frame in a relative sliding way along the front and rear directions, the extending direction is converted by the front and rear swinging and overturning of the front seat rod and the rear seat rod on the frame, and the positions are converted in the front and rear directions to be respectively used as seats, so that the seat mechanism can be rapidly converted between the forward using state and the reverse using state, the children's barrow can have a bidirectional using function without converting a push rod on the frame, and the conversion operation is very convenient, the structure of the frame is more concise, the folded stroller is also flat, and daily storage and carrying are facilitated.

Description

stroller

technical field

The utility model relates to a children's stroller.

Background technique

In the prior art, a baby stroller usually includes a stroller frame and a seat mechanism disposed on the stroller frame. The use direction of the seat mechanism on the stroller frame is often fixed in a single direction. , Reverse push use, the common way is to add a reversing push handle on the frame of the cart, and by turning the push handle back and forth so that the push end is located behind or in front of the seat mechanism, this will cause the push handle of the cart frame The number of rods increases, and it is not very convenient to use.

SUMMARY OF THE INVENTION

The purpose of the utility model is to provide a children's stroller whose seat mechanism can perform forward and reverse conversion.

In order to achieve the above purpose, the technical scheme adopted by the present invention is: a child stroller, comprising a frame with an unfolded state and a seat mechanism arranged on the frame, and the seat mechanism includes a sequence of rotations along the length direction. a front support rod, a front seat rod, a rear seat rod and a rear support rod are connected, and a reversing link is rotatably connected between one of the front seat rod and the rear seat rod and the frame, and one of the front seat post and the rear seat post is connected to the frame in a manner that can both rotate relatively and slide relatively in the front-rear direction.

The seat mechanism has a forward use state and a reverse use state. When the seat mechanism is in a forward use state, the front seat rod extends in the front-rear direction to serve as a seat, and the front support rod is seated from the front seat. The front part of the rod extends downward, and the rear seat rod and the rear support rod are located behind the front seat rod as a backrest; when the seat mechanism is in a reversed use state, the rear seat rod extends in the front-rear direction As a seat, the rear support rod extends downward from the rear of the rear seat rod, and the front seat rod and the front support rod are located in front of the rear seat rod as a backrest.

Preferably, the reversing link is rotatably connected between one of the two seat posts, the front seat post and the rear seat post, and the frame, and the seat post is capable of both It is connected to the frame in a relatively slidable manner along the front-rear direction.

Further, the reversing link is rotatably arranged between the front seat post and the frame, and the front seat post can be relatively rotatable and can be relatively slidably connected to the frame in the front-rear direction. On the other hand, the front seat post swings back and forth relative to the frame and flips vertically relative to the frame, and simultaneously slides back and forth relative to the frame to achieve the seat mechanism in the forward use state and reverse. To use state transitions between states.

Preferably, locking joints are respectively provided at the rotational connection between the front support rod and the front seat rod, and at the rotational connection between the rear seat rod and the rear support rod.

Preferably, the frame has two sets of side brackets arranged on the left and right sides, the side brackets on each side include a front support rod, a rear support rod, a push rod and a support link. On the side, the upper part of the front support rod is rotatably connected to the lower part of the push rod, the upper part of the rear support rod is rotatably connected to the push rod, and the front part of the support link is rotatably connected to the push rod. The front support rod and its rear part are rotatably connected to the rear support rod, the seat mechanism is arranged between the side brackets on both sides along the left-right direction, and when the vehicle frame is in a folded state, The front support rod, the rear support rod, the push rod and the support link in the side brackets on each side are folded together, and the seat mechanism is folded and folded with each rod in the side brackets.

Further, the reversing link is rotatably connected between the front support rod and the front seat post, and the front seat post can be relatively rotatable and relatively slidable along the front-rear direction with the support link. connect.

Further, the front seat post has two groups which are arranged on the left and right sides, and on the left and right sides of the frame, the front seat post and the front strut on the same side pass through a group of the reversing directions. The connecting rod is connected, and a sliding piece is rotatably connected to the front seat post, and the sliding piece is slidably arranged on the supporting link along the length extending direction of the supporting link.

Further, on the left and right sides of the frame, the end of the reversing link, the upper part of the front strut and the lower part of the push rod are connected together in rotation around the same rotation centerline.

Further, when the seat mechanism is in the forward use state, the frame is converted from the unfolded state to the folded state, and when the frame is in the folded state, the front support rod sits opposite the front The rod is folded and folded, the front seat rod, the rear seat rod and the rear support rod extend along the lengthwise extension direction of the push rod, and the push rod, the front support rod, the rear support rod and the seat mechanism are folded together together.

In order to achieve the above purpose, another technical solution adopted by the present invention is: a child stroller, comprising a frame with an unfolded state and a seat mechanism arranged on the frame, and the frame includes a front support rod, A rear support rod, a push rod and a support link, the support link is rotatably connected between the front support rod and the rear support rod, the seat mechanism includes a front seat rod and a rear seat rod that are rotatably connected to each other, the front seat rod One of the rod and the rear seat post is connected with a reversing link, the reversing link is rotatably connected to the front strut or the rear strut, and the front seat is connected with the reversing link. The rod or the rear seat rod is relatively slidably connected to the support link, the seat mechanism has a forward use state and a reverse use state, and when the seat mechanism is in the forward use state, the front seat rod is in the forward use state. The rear seat bar is located behind the front seat bar to serve as a seat; when the seat mechanism is in a reversed use state, the rear seat bar extends in the front and rear direction to serve as a seat, and the front seat bar is used as a seat. The seat post is located in front of the rear seat post as a backrest.

Due to the application of the above-mentioned technical solutions, the present utility model has the following advantages compared with the prior art: the stroller of the present utility model is provided with a seat mechanism with a front seat rod and a rear seat rod, and through the front seat rod and the rear seat rod The front and rear swings on the frame are reversed to switch the extension direction, and the positions are changed in the front and rear directions to be used as seats respectively, so that the seat mechanism can be quickly switched between the forward use state and the reverse use state, so there is no need to switch the vehicle. The push rod on the frame can make the stroller have a two-way use function, the conversion operation is very convenient, and the structure of the frame is more concise. The folded stroller is also flat as a whole, which is convenient for daily storage and carrying.

Description of drawings

1 is a side view of the child stroller of the present invention in an unfolded state, wherein the seat mechanism is in a forward use state;

Accompanying drawing 2 is the three-dimensional schematic diagram of the stroller of accompanying drawing 1;

Accompanying drawing 3 is the structural exploded schematic diagram of the seat mechanism in the stroller of the present invention;

4 is a side view of the child stroller of the present invention in an unfolded state, wherein the seat mechanism is in a reversed use state;

Accompanying drawing 5 is the three-dimensional schematic diagram of the stroller of accompanying drawing 4;

6 is a side view of the stroller of the present invention in a half-folded state;

Accompanying drawing 7 is the perspective view of the stroller of the present utility model in the half-folded state;

8 is a side view of the stroller of the present invention in a folded state;

9 is a perspective view of the stroller of the present invention in a folded state;

Among them: 1, front strut; 2, rear strut; 21, rear crossbar; 3, push rod; 4, support link; 5, front strut; 6, front seat rod; 7, rear seat rod; 8, Rear support rod; 9. Reversing link; 10. Sliding piece (sleeve); 11. Locking joint; 20. Front wheel; 30. Rear wheel.

Detailed ways

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

Referring to Figures 1 to 9, a children's stroller includes a frame with an unfolded state and a seat mechanism disposed on the frame, the seat mechanism including a front support rod 5, a front support rod 5, a front The seat post 6, the rear seat post 7 and the rear support rod 8, that is, the rear part of the front support rod 5 and the front part of the front seat post 6 are rotatably connected, and the rear part of the front seat post 6 is connected with the front part of the rear seat post 7 There is a rotational connection between the rear seat rod 7 and the front part of the rear support rod 8, and the rotational connection between the rear part of the front support rod 5 and the front part of the front seat rod 6, the rear seat rod 7 Locking joints 11 are provided at the rotational connection between the rear part of the rear support rod 8 and the front part of the rear support rod 8 to lock the two parts of the rotational connection relative to each other.

A reversing link 9 is rotatably connected between one of the front seat post 6 and the rear seat post 7 and the frame, and one of the front seat post 6 and the rear seat post 7 can both It is connected to the frame in a relatively slidable manner along the front-rear direction. This enables the seat mechanism to have a forward use state and a reverse use state on the frame. When the seat mechanism is in a forward use state, as shown in Figures 1 and 2, the front seat post 6 extends in the front and rear direction to serve as a seat. The front support rod 5 extends downward from the front portion of the front seat post 6 , and the rear seat rod 7 and the rear support rod 8 are located behind the front seat rod 6 and extend in the up-down direction as a backrest. When the seat mechanism is converted to the reverse use state, as shown in Fig. 4 and Fig. 5 , the rear seat post 7 extends in the front-rear direction to serve as a seat, the rear support rod 8 extends downward from the rear of the rear seat post 7, and the front seat post 6 The front support bar 5 is located in front of the recoil bar 7 and extends in the up-down direction to serve as a backrest.

As a preferred arrangement, the above-mentioned reversing link 9 is rotatably connected between one of the two seat posts, the front seat post 6 and the rear seat post 7 , and the frame, and the seat post can both be opposite to each other at the same time. It can be rotated and connected to the frame in a relatively sliding manner in the front-rear direction. In this embodiment, the seat post is the front seat post 6, that is, the reversing link 9 is rotatably connected between the front seat post 6 and the frame, and the front seat post 6 can both rotate relatively and can move along the front and rear. The direction is relatively slidably connected to the frame. The state switching of the seat mechanism between the forward use state and the reverse use state is realized by the front seat post 6 swinging back and forth relative to the frame, flipping relative to the frame in the vertical direction, and sliding back and forth relative to the frame at the same time.

Referring to the drawings, in this embodiment, the vehicle frame has two sets of side brackets arranged on the left and right sides, and the side brackets on each side include a front support rod 1, a rear support rod 2, a push rod 3 and a support link 4. The bottom of the front strut 1 is provided with a front wheel 20 , and the bottom of the rear strut 2 is provided with a rear wheel 30 . On the left and right sides of the frame, the upper part of the front strut 1 is rotatably connected to the lower part of the push rod 3, the upper part of the rear strut 2 is rotatably connected to the push rod 3, and the front part of the support link 4 is rotatably connected to the push rod 3. The front strut 1 and its rear part are rotatably connected to the rear strut 2 .

The seat mechanism is arranged between the side brackets on both sides along the left and right direction. Specifically, the reversing link 9 is rotatably connected between the front support rod 1 and the front seat rod 6, and the front seat rod 6 can be relatively rotated and can be rotated along the same direction. It is connected to the support link 4 in a relatively sliding manner in the front-rear direction. When the frame is in the folded state, the front strut 1, the rear strut 2, the push rod 3 and the support link 4 in each side bracket are folded together, and the seat mechanism is folded and folded with each rod in the side brackets together.

Here, in the seat mechanism, the front seat rod 6 and the rear seat rod 7 both have two located on the left and right sides, the front support rod 5 is a U-shaped rod, and the rear parts of the rods on both sides are respectively connected with the front seat rods 6 on both sides. The front part of the rear support rod 8 is also a U-shaped rod, and the front parts of the rods on both sides are rotatably connected with the rear parts of the recoil rods 7 on both sides respectively. On the left and right sides of the frame, the front seat post 6 and the front strut 1 on the same side are connected by a set of reversing links 9, and one end of the reversing link 9 is rotatably connected to the front seat post 6. , the other end is connected with the upper part of the front strut 1 and the lower part of the push rod 3 relatively rotatably around the same rotation center line. In other embodiments, the front end of the reversing link 9 may The support rod 1 or the push rod 3 is rotatably connected; the front seat post 6 is rotatably connected with a sliding piece 10 , and the sliding piece 10 is specifically a sliding sleeve here, and the sliding sleeve 7 can extend along the length of the supporting link 4 It is sleeved on the support link 4 in a direction sliding manner.

When the stroller is switched from the forward use state to the reverse use state, the front seat rod 6 is moved forward, so that when it moves, the sliding member 10 is driven to slide on the support link 4. When the sliding member 10 slides, The reversing link 9 and the front seat post 6 are rotated to change the extension direction, so as to switch to the reverse use state, and then adjust the positions of the front support rod 5 and the rear support rod 8 .

Referring to FIG. 2 and FIG. 5 , in this embodiment, a rear crossbar 21 is also provided between the rear struts 2 on both sides of the frame, and the rear crossbar 21 is connected to the rear strut 2 at a position higher than the support The connection position of the connecting rod 4 on the rear strut 2. When the seat mechanism is in the forward use state, the rear seat bar 6 as a backrest is located on the front side of the rear cross bar 21, as shown in FIG. 2; when the seat mechanism is switched from the forward use state to the reverse use state, the rear seat The cross bar 21 can provide the back seat bar 7 to support, so as to prevent the back seat bar 7 from turning down and falling down during the conversion process. on the rod 21, as shown in FIG. 5 .

As a preferred way, as shown in FIGS. 6 and 7 , when the seat mechanism is in the forward use state, the frame is converted from the unfolded state to the folded state, and when the frame is in the folded state, see FIGS. 8 and 9 . It is shown that the front support rod 5 is folded and folded relative to the front seat rod 6, and the front seat rod 6, the rear seat rod 7 and the rear support rod 8 extend along the extension direction of the push rod 3 in turn and are connected with the push rod 3, the front support rod 1 and the rear support rod 8. The struts 2 are folded together with each rod in the frame.

Of course, in some other embodiments, the reversing link 9 can also be connected between the rear seat post 7 and the frame, and the rear seat post 7 can be both slid back and forth and connected to the frame in a relatively rotatable manner. For example, when the frame structure of this embodiment is used as the basic frame, the reversing link 9 is rotatably connected between the seat post 7 and the rear support rod 2, and a sliding member is slidably arranged on the seat post 7, and The sliding member is rotatably connected to the support link 4, which can also realize the fast switching between the forward and reverse use states of the seat mechanism.

To sum up, in the stroller of the present invention, a seat mechanism with a front seat rod 6 and a rear seat rod 7 is provided, and the extension direction is converted by the front and rear seat rods 6 and the rear seat rod 7 swinging over and over on the frame, And change the position in the front and rear directions and use it as a seat respectively, so that the seat mechanism can be quickly switched between the forward use state and the reverse use state, so that the push rod on the frame can be made to have a bidirectional The use of functions and the conversion operation are very convenient, which also makes the structure of the frame more concise, and the folded baby stroller is also very flat as a whole, which is convenient for daily storage and carrying.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present invention, and the purpose thereof is to enable those who are familiar with the technology to understand the content of the present invention and implement accordingly, and cannot limit the protection scope of the present invention with this. All equivalent changes or modifications made according to the spirit of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A stroller comprising a frame having a deployed state and a seat mechanism disposed on the frame, characterized in that: the seat mechanism comprises a front support rod, a front seat rod, a rear seat rod and a rear support rod which are sequentially and rotatably connected along the length direction, a reversing connecting rod is rotatably connected between one of the front seat rod and the rear seat rod and the frame, one of the front seat rod and the rear seat rod can relatively rotate and can relatively slide along the front and rear directions and is connected to the frame,

the seat mechanism has a forward use state and a reverse use state, when the seat mechanism is in the forward use state, the front seat rod extends along the front-back direction to serve as a seat, the front support rod extends downwards from the front part of the front seat rod, and the rear seat rod and the rear support rod are positioned behind the front seat rod to serve as a backrest; when the seat mechanism is in a reverse use state, the rear seat rod extends in the front-rear direction to serve as a seat, the rear support rod extends downwards from the rear part of the rear seat rod, and the front seat rod and the front support rod are positioned in front of the rear seat rod to serve as a backrest.

2. The stroller of claim 1, wherein: one of the two seat rods of the front seat rod and the rear seat rod is rotatably connected with the frame through the reversing connecting rod, and the seat rods can rotate relatively and can be connected to the frame in a relative sliding mode along the front-rear direction.

3. The stroller of claim 2, wherein: the reversing connecting rod is rotatably arranged between the front seat rod and the frame, the front seat rod can relatively rotate and can relatively slide along the front-back direction to be connected to the frame, the front seat rod swings back and forth relative to the frame and overturns in the vertical direction relative to the frame, and simultaneously slides back and forth relative to the frame to realize the state conversion of the seat mechanism between the forward use state and the reverse use state.

4. The stroller of claim 1, wherein: and locking joints are respectively arranged at the rotating connection part between the front support rod and the front seat rod and the rotating connection part between the rear seat rod and the rear support rod.

5. The stroller of claim 1, wherein: the frame has two sets of collateral branch framves that the left and right sides was located to the branch, every side the collateral branch frame all includes preceding branch, back branch, push rod and supporting link, on each side of the left and right sides of frame, the upper portion of preceding branch with the lower part of push rod is connected with rotating, the upper portion of back branch is connected with rotating on the push rod, the front portion of supporting link is connected with rotating on the preceding branch and its rear portion is connected with rotating on the back branch, the seat mechanism sets up in both sides along left and right sides between the collateral branch frame, work as when the frame is in fold condition, each side in the collateral branch frame preceding branch, back branch, push rod and supporting link draw in each other, the seat mechanism fold up and with each member in the collateral branch frame draws in each other.

6. The stroller of claim 5, wherein: the reversing connecting rod is rotatably connected between the front supporting rod and the front seat rod, and the front seat rod can rotate relatively and can be connected with the supporting connecting rod in a relative sliding manner along the front-back direction.

7. The stroller of claim 6, wherein: the front seat rod is provided with two groups which are respectively arranged on the left side and the right side, the left side and the right side of the frame are respectively provided with the front seat rod and the front support rod on the same side, the front seat rod is connected with the reversing connecting rod through a group, the front seat rod is rotatably connected with a sliding piece, and the sliding piece is arranged on the supporting connecting rod in a sliding manner along the length extension direction of the supporting connecting rod.

8. The stroller of claim 6, wherein: the end part of the reversing connecting rod, the upper part of the front supporting rod and the lower part of the push rod are connected together in a rotating way around the same rotating center line on the left side and the right side of the frame.

9. The stroller of claim 5, wherein: when the seating mechanism is in during the forward user state, the frame is by the expansion state to fold condition conversion, and works as when the frame is in fold condition, preceding bracing piece is relative preceding bracing piece turns over to fold in, preceding bracing piece, back bracing piece reach back bracing piece is followed the length extending direction of push rod extends, push rod, preceding bracing piece, back bracing piece reach the seating mechanism fold in together each other.

10. The utility model provides a children's shallow, is in including the frame that has the expansion state and setting seat mechanism on the frame, the frame includes preceding branch, back branch, push rod and support link, its characterized in that: the seat mechanism comprises a front seat rod and a rear seat rod which are mutually and rotatably connected, one of the front seat rod and the rear seat rod is connected with a reversing connecting rod, the reversing connecting rod is rotatably connected to the front supporting rod or the rear supporting rod, the front seat rod or the rear seat rod connected with the reversing connecting rod is relatively and slidably connected with the supporting connecting rod, the seat mechanism has a forward using state and a reverse using state, when the seat mechanism is in the forward using state, the front seat rod extends along the front-back direction to be used as a seat, and the rear seat rod is positioned behind the front seat rod to be used as a backrest; when the seat mechanism is in a reverse use state, the rear seat rod extends in the front-rear direction to serve as a seat, and the front seat rod is positioned in front of the rear seat rod to serve as a backrest.

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