CN104176103B - Baby stroller with single seat and double seat switching function - Google Patents

Abstract

The invention relates to a child stroller which can be converted between single and double persons, comprising a stroller frame, a front wheel assembly, a rear wheel assembly and a seat pocket detachably arranged on the stroller frame, and the stroller frame includes a lower end The front wheel bracket with the front wheel assembly, the rear wheel bracket with the rear wheel assembly at the lower end, the push rod connected with the rear wheel bracket at the lower end, and the first seat extending along the front and rear direction of the cart rod and a first side armrest located above the first seatpost, the seat pocket includes a seat pan frame detachably connected to the stroller frame, the seat pan frame includes a seat pan frame connected to the front wheel bracket A detachably connected second seatpost and a second side armrest detachably connected with the front end of the first seatpost. The conversion between the single seat and the double seat of the present invention is very simple and convenient.

Description

A kind of children's stroller that can be converted into a single person and a double person

technical field

The invention relates to the field of children's articles, in particular to a children's stroller which can be converted from one to two persons.

Background technique

In the prior art, some of the baby strollers are single-person strollers, some are double-person strollers, and there are also children's strollers that can be converted from a single person to a double person. Dear friends, the existing single and double convertible children's stroller includes a stroller frame, a first seat pocket connected to the stroller frame through the first seat pocket connecting portion, and a second seat pocket connecting portion connected to the stroller frame. The second seat pocket on the upper body, when two people are riding, connect the two seat pockets to the trolley frame at the same time, and when a single person is riding, one of the seat pockets is connected to the trolley frame, whether it is a single person or a When two people ride, the seat pockets are all connected to the stroller frame through the seat pocket connecting portion, and the volume of the stroller frame set in this way is relatively large, and it is also inconvenient to use when a single or double person rides. On the other hand, in the existing single-double conversion baby stroller, after the seat pocket is connected to the stroller frame, the seat pocket and the stroller frame cannot be folded, which is inconvenient to carry.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a detachable single-double convertible children's stroller.

In order to solve the above technical problems, the present invention adopts the following technical solutions:

A child stroller that can be converted between single and double persons includes a stroller frame, a front wheel assembly, a rear wheel assembly and a seat pocket detachably arranged on the stroller frame. The front wheel bracket of the front wheel assembly, the rear wheel bracket with the rear wheel assembly on the lower end, the push rod connected to the rear wheel bracket at the lower end, the first seat post extending in the front and rear direction of the cart, and the The first side armrest above the first seat post, the seat pocket includes a seat pan frame that is detachably connected to the stroller frame, and the seat pan frame includes a seat pan frame that is detachably connected to the front wheel bracket A connected second seat post and a second side armrest detachably connected to the front end of the first seat post.

A seat wheel is provided at the bottom of the seat frame.

The seat frame includes a seat wheel bracket rotatably connected to the second seat post and the second side armrest, and the seat wheel is arranged at the bottom of the seat wheel bracket.

The seat frame further includes a backrest bar, and the backrest bar is respectively rotatably connected to the second seatpost and the rear part of the second side armrest.

The seat frame includes seat side frames arranged symmetrically on both sides of the cart, and each seat frame includes the seat wheel bracket, the second seat post, and the second side armrest. The frame further includes a second front armrest whose two ends are respectively connected to the front ends of the second side armrests on both sides.

When in a two-person state, the second seat post is pivotally connected to the front wheel bracket, the second side armrest is fixedly connected to the first seat post, and the stroller also includes a A first locking mechanism for relatively locking the second seat post and the front wheel bracket.

The two ends of the first seat post are respectively connected to the upper part of the front wheel bracket and the upper part of the rear wheel bracket, and the front and rear parts of the first side armrest are respectively connected to the upper end of the front wheel bracket and the pusher. The lower part of the rod is connected, the upper end of the rear wheel bracket is connected with the first side armrest, the rear end of the second seatpost is detachably connected with the front wheel bracket, and the second side armrest The rear end of the first seatpost is detachably connected to the front end of the first seatpost.

The stroller frame has an unfolded state and a folded state, and the children's stroller also includes a second locking mechanism for locking the stroller frame in the unfolded state, and the rear wheel bracket is provided with a The sliding part that slides in the longitudinal direction of the rear wheel bracket, the lower end of the push rod is rotatably connected with the sliding part through a pivot, and the lower part of the push rod is connected with the rear end of the first side armrest through a pivot The two ends of the first seat post are respectively connected in rotation with the front wheel bracket and the sliding member, and the upper end of the front wheel bracket and the upper end of the rear wheel bracket pass through the same pivot It is rotatably connected with the front part of the first side armrest.

The second locking mechanism is arranged between the sliding member and the rear wheel bracket for relatively locking the two.

The cart frame includes symmetrically arranged side brackets located on both sides of the cart, each side bracket includes the front wheel bracket, the rear wheel bracket, the first seat post, the first side armrest, and the push rod. The stroller frame further includes a first front armrest whose two ends are respectively connected to the front ends of the first side armrests on both sides.

Due to the use of the above-mentioned technical solutions, the present invention has the following advantages compared with the prior art:

The stroller of the present invention includes a stroller frame and a seat pocket, and the seat pocket and the stroller frame are detachably connected. When the stroller frame and the seat pocket are disassembled, the stroller frame can independently form a single-person stroller , when the stroller frame is connected with the seat pocket, the stroller frame and the seat pocket together form a double stroller, so that when only one child is required to travel, the seat pocket can be removed, so that only the stroller frame can be used. A single child stroller; when two children need to be pushed to travel, the seat pocket is connected with the stroller frame, so that the seat pocket and the stroller frame are suitable for a double stroller formed by the seat pocket and the stroller frame, which is very convenient to use. On the other hand, when the seat is connected with the stroller frame, the seat is located in front of the stroller frame, the second side armrest of the seat is connected with the first seatpost of the stroller frame, and the second seatpost of the seat is connected with the stroller frame. The front wheel brackets are connected, so that when two children are riding, there is a height difference between the seat of the seat pocket and the seat of the stroller frame, and the child sitting on the seat pocket will not block the sight of the child riding on the stroller frame.

Description of drawings

Figure 1 is a schematic diagram of the unfolded state of the children's stroller of the present invention (the seat pocket and the stroller frame are in a connected state);

Fig. 2 is a half-expanded schematic diagram of the children's stroller of the present invention (the seat pocket and the stroller frame are in a connected state);

Fig. 3 is a schematic diagram of the fully folded children's stroller of the present invention (the seat pocket and the stroller frame are in a connected state);

Fig. 4 is an exploded view of the children's stroller of the present invention;

Fig. 5 is a schematic diagram of the folded seat pocket of the children's stroller of the present invention;

Fig. 6 is a schematic diagram of the folded stroller frame of the children's stroller of the present invention;

Figure 7 is an enlarged view of A in Figure 1;

In the figure: 1. Cart frame; 2. Front wheel assembly; 3. Rear wheel assembly; 4. Front wheel support; 5. Rear wheel support; 6. Push rod; 7. First seat post; 8. First side Armrest; 9. Slider; 10. First front armrest; 11. Seat frame; 12. Seat wheel; 13. Seat wheel support; 14. Second seat post; 15. Second side armrest; 16. The second Two front armrests; 17, backrest bar; 18, first pivot; 19, second pivot; 20, third pivot; 21, fourth pivot; 22, fifth pivot; 23, sixth pivot ;24, the seventh pivot; 25, the eighth pivot; 26, the ninth pivot; 27, the tenth pivot; 28, the button; 29, the first connector; 30, the second connector; 31, the first Three connectors; 32, the fourth connector.

detailed description

The present invention will be further described below in conjunction with accompanying drawing of description:

As shown in accompanying drawings 1 to 7, a child stroller that can be converted between single and double persons includes a stroller frame 1, a front wheel assembly 2, a rear wheel assembly 3, and a seat pocket detachably arranged on the stroller frame 1, The cart frame 1 comprises a front wheel support 4 with a front wheel assembly 2 at the lower end, a rear wheel support 5 with a rear wheel assembly 3 at the lower end, a push rod 6 connected to the rear wheel support 5 at the lower end, The first seat post 7 extending in the front and rear direction, the first side armrest 8 above the first seat post 7, the seat pocket includes a seat frame 11 detachably connected with the stroller frame 1, seat wheel 12, and the seat pocket The frame 11 includes a seat wheel bracket 13 with a seat wheel 12 at the bottom, a second seat post 14 arranged on the seat wheel support 13, and a second side armrest 15 extending along the front and back directions above the second seat post 14, and the child The stroller has a single state and a double state, the second seat post 14 is detachably connected with the front wheel bracket 4, and the second side armrest 15 is detachably connected with the front end of the first seat post 7. state, the second seat post 14 is separated from the front wheel bracket 4, and the second side armrest 15 is separated from the first seat post 7; when in a double state, the second seat post 14 is connected to the front wheel bracket 4, and the second The side armrest 15 is connected to the first seat post 7 .

When in the double state, the second seat post 14 is rotatably connected with the front wheel bracket 4 through the first pivot 18, the second side armrest 15 is fixedly connected with the first seat post 7, and the stroller also includes a second The first locking mechanism for locking the seatpost 14 and the front wheel bracket 4 relative to each other. When the first locking mechanism locks the second seatpost 14 and the front wheel bracket 4 relatively, the second seatpost 14 is fixedly connected to the front wheel bracket 4 .

The seat frame 11 has an unfolded state and a folded state, the front portion of the second seat post 14 is rotationally connected with the seat wheel bracket 13 through the second pivot 19, the front portion of the second side armrest 15 is connected with the seat wheel bracket 13 The upper end is rotatably connected, and a first connecting piece 29 is fixedly arranged on the front of the second side armrest 15 , and the upper end of the seat wheel bracket 13 is rotatably connected to the first connecting piece 29 through the third pivot 20 .

The seat frame 11 also includes a backrest bar 17 which is rotatably connected to the second seat post 14 and the rear part of the second side armrest 15 respectively. On the rear portion of the second seatpost 14 and the second side armrest 15, a second connecting piece 30 and a third connecting piece 31 are fixedly connected respectively, and the backrest bar 17 is connected with the fourth pivot 21 and the fifth pivot 22 respectively. The second connecting piece 30 is rotatably connected to the third connecting piece 31 .

The seat frame 11 of the present invention includes seat frame side frames that are positioned at two sides of the stroller opposite to the cart. Each seat frame side frame includes a seat wheel bracket 13, a second seat post 14, a second side armrest 15, and 11 also includes a second front armrest 16 whose two ends are respectively connected to the front ends of the second side armrests 15 on both sides.

In the present invention, the two ends of the first seat post 7 are connected with the top of the front wheel bracket 4 and the top of the rear wheel bracket 5 respectively, and the front and rear parts of the first side armrest 8 are connected with the upper end of the front wheel bracket 4 and the push rod respectively. 6, the upper end of the rear wheel bracket 5 is connected to the first side armrest 8, the rear end of the second seat post 14 is detachably connected to the front wheel bracket 4, and the rear end of the second side armrest 15 is connected to the The front end of the first seatpost 7 is detachably connected.

The stroller frame 1 has an unfolded state and a folded state, and the children's stroller also includes a second locking mechanism for locking the stroller frame 1 in the unfolded state. Sliding slider 9, the lower end of the push rod 6 is rotatably connected with the slider 9 through the sixth pivot 23, and the lower part of the push rod 6 is rotatably connected with the rear end of the first side armrest 8 through the seventh pivot 24 The rear end of the first seat post 7 is rotatably connected with the slider 9 through the eighth pivot 25, the front end of the first seat post 7 is rotatably connected with the front wheel bracket 4, and the front end of the first seat post 7 The fourth connecting piece 32 is fixedly connected, and the front wheel bracket 4 is rotatably connected with the fourth connecting piece 32 through the ninth pivot 26; 27 is rotatably connected with the front portion of the first side armrest 8 .

The second locking mechanism is arranged between the slider 9 and the rear wheel bracket 5 for relatively locking the two.

The stroller frame 1 of the present invention includes symmetrically arranged side supports located on both sides of the stroller, and each side support includes a front wheel support 4, a rear wheel support 5, a first seat post 7, a first side armrest 8, and a push rod 6 The stroller frame 1 further includes a first front armrest 10 whose two ends are respectively connected to the front ends of the first side armrests 8 on both sides.

The specific structure of the first locking mechanism in the present invention is not limited, as can install lock hook on the rear end portion of second seat post 14, offer hook groove on front wheel support 4, when stroller is in double state and is positioned at When in the unfolded position, the lock hook is hooked into the hook groove to limit the rotation of the second seat post 14 and the front wheel bracket 4. When it is in a double state and needs to be folded, the lock hook breaks away from the hook groove, and the second seat post 14 and the front wheel bracket 4 4 can be rotated. The specific structure of the second locking mechanism is not limited, as long as the sliding part 9 and the rear wheel bracket 5 can be relatively locked, for the unlocking of the first locking mechanism, a button 28 is provided on the push rod 6, and only the button 28 needs to be operated. The first locking mechanism can be unlocked.

First pivot 18, second pivot 19, third pivot 20, fourth pivot 21, fifth pivot 22, sixth pivot 23, seventh pivot 24, eighth pivot 25 of the present invention The extending directions of the ninth pivot 26 and the tenth pivot 27 all extend along the horizontal direction.

The working principle of the children's stroller of the present invention:

As shown in Figure 1, when the seat pocket is connected with the stroller frame 1 and the stroller is in the unfolded state, the second locking mechanism locks the slider 9 with the rear wheel bracket 5, so that the push rod 6, the first seat post 7 just cannot slide up and down along the rear wheel bracket 5, the cart frame 1 is in the unfolded position, the first locking mechanism locks the second seatpost 14 and the front wheel bracket 4, the second seatpost 14 and the front wheel bracket 4 cannot rotate, When the stroller is to be folded, it is necessary to unlock the first locking mechanism and press the button 28 to unlock the slider 9, the push rod 6 is forced downward, and slides downward on the rear wheel bracket 5 through the slider 9, because the slider 9 is rotatably connected to the first seatpost 7 through the eighth pivot 25, and the front wheel bracket 4 is rotatably connected to the first side armrest 8 through the tenth pivot 27, and the front wheel bracket 4 approaches the rear wheel bracket 5, and the second The side armrest 15 is connected with the first seatpost 7 as a whole through the ninth pivot 26 and the front wheel bracket 4 is rotatably connected, the second side armrest 15 and the first seatpost 7 move upward, and the seat wheel bracket 13 and the second side The armrest 15 is rotationally connected, so the seat wheel support 13 is pulled up and separated from the ground, and the second seat post 14 is rotationally connected with the second pivot 19 seat wheel support 13, the second seat post 14 moves upwards, and the second seat post 14 moves upward. The rod 14 is rotatably connected to the front wheel bracket 4 through the first pivot 18, and the second seat post 14 approaches the front wheel bracket 4. When the push rod 6 slides down to a certain position, the baby stroller is folded, and the folded The baby stroller is shown in Figure 3.

When the seat pocket and the stroller frame 1 were in a separated state, the folding principle of the seat pocket and the stroller frame 1 was the same as described above.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present invention. Equivalent changes or modifications made in the spirit shall fall within the protection scope of the present invention.

Claims (9)

1. A child stroller that can be converted between single and double persons, comprising a stroller frame, a front wheel assembly, a rear wheel assembly, and a seat pocket detachably arranged on the stroller frame, and the stroller frame includes a lower end set There is a front wheel bracket with the front wheel assembly, a rear wheel bracket with the rear wheel assembly at the lower end, a push rod connected with the rear wheel bracket at the lower end, and a first seatpost extending along the front and rear direction of the cart and the first side armrest located above the first seat post, characterized in that: the seat pocket includes a seat pocket frame detachably connected to the stroller frame, and the seat pocket frame includes a seat pocket frame connected to the front a second seat post detachably connected to the wheel bracket and a second side armrest detachably connected to the front end of said first seat post; The stroller frame has an unfolded state and a folded state, and the children's stroller also includes a second locking mechanism for locking the stroller frame in the unfolded state, and the rear wheel bracket is provided with a The sliding part that slides in the longitudinal direction of the rear wheel bracket, the lower end of the push rod is rotatably connected with the sliding part through a pivot, and the lower part of the push rod is connected with the rear end of the first side armrest through a pivot The two ends of the first seat post are respectively connected in rotation with the front wheel bracket and the sliding member, and the upper end of the front wheel bracket and the upper end of the rear wheel bracket pass through the same pivot It is rotatably connected with the front part of the first side armrest. 2. The baby stroller that can be converted between single and double persons according to claim 1, characterized in that: seat wheels are provided at the bottom of the seat frame. 3. The baby stroller that can be converted between single and double persons according to claim 2, wherein the seat frame includes a seat wheel bracket that is rotatably connected to the second seat post and the second side armrest, The seat wheel is arranged at the bottom of the seat wheel bracket. 4. The baby stroller that can be converted between single and double persons according to claim 3, wherein the seat frame further includes a backrest bar, and the backrest bar is respectively connected to the second seatpost and the second side The rear portion of the armrest is connected in rotation. 5. The baby stroller that can be converted between single and double persons according to claim 3, wherein the seat frame includes seat frame side frames that are symmetrically arranged on both sides of the stroller, each of the seat frame side frames includes There are the seat wheel bracket, the second seat post, and the second side armrest, and the seat frame also includes a second front armrest whose two ends are respectively connected with the front ends of the second side armrests on both sides. 6. The baby stroller convertible between single and double persons according to claim 1, characterized in that: when in a double state, the second seatpost is pivotally connected to the front wheel bracket, and the second side armrest Fixedly connected with the first seat post, the stroller further includes a first locking mechanism for relatively locking the second seat post and the front wheel bracket. 7. The single- and double-person convertible children's stroller according to any one of claims 1 to 6, characterized in that: the two ends of the first seat post are respectively connected to the upper part of the front wheel bracket and the upper part of the front wheel bracket The upper part of the rear wheel bracket is connected, the front and rear parts of the first side armrest are respectively connected with the upper end of the front wheel bracket and the lower part of the push rod, the upper end of the rear wheel bracket is connected with the first side armrest The rear end of the second seat post is detachably connected to the front wheel bracket, and the rear end of the second side armrest is detachably connected to the front end of the first seat post. 8 . The baby stroller convertible between single and double persons according to claim 1 , wherein the second locking mechanism is arranged between the sliding member and the rear wheel support for locking them relative to each other. 9 . 9. The child stroller that can be converted between single and double persons according to claim 1, wherein the stroller frame includes symmetrically arranged side brackets located on both sides of the stroller, and each of the side brackets includes the front wheel bracket, rear wheel bracket, first seat post, first side armrest, push rod, and the cart frame also includes a first front armrest whose two ends are respectively connected to the front ends of the first side armrests on both sides.