CN221293739U

CN221293739U - Children's shallow skeleton

Info

Publication number: CN221293739U
Application number: CN202323471399.5U
Authority: CN
Inventors: 廖整辉; 程群; 刘林兴
Original assignee: Zhongshan Tongxing Technology Co ltd
Current assignee: Zhongshan Tongxing Technology Co ltd
Filing date: 2023-12-19
Publication date: 2024-07-09
Anticipated expiration: 2033-12-19

Abstract

The utility model discloses a stroller frame, a support assembly is connected to a bottom support frame, the upper end of the support assembly is connected with a seat support and a push rod mechanism, the support assembly comprises a first support rod and a second support rod which are mutually crossed and rotatably connected around a first axis, the lower end of the first support rod is rotatably connected with the rear side of the bottom support frame, the upper end of the first support rod is movably connected to the seat support, a sliding piece capable of sliding back and forth relative to the first support rod is arranged on the bottom support frame, the lower end of the second support rod is rotatably connected to the sliding piece around a second axis, the upper end of the second support rod is rotatably connected with the push rod mechanism around a third axis, the rear end of the seat support member is rotatably connected to the push rod mechanism around a fourth axis, a front wheel assembly is arranged on the front side of the bottom support frame, and a rear wheel assembly is connected to the rear side of the bottom support frame or the lower end of the first support rod. The utility model has firm and safe structure, small volume after folding and convenient folding operation.

Description

Children's shallow skeleton

[ Field of technology ]

The utility model relates to a stroller frame.

[ Background Art ]

At present, the framework of the child cart in the market can be unfolded or folded, so that children can sit when unfolding the framework, and the framework is convenient to store or carry when folding. At present, the development of the child cart in the market is mature, but consumers put forth higher requirements on the child cart, especially on carrying children, the child cart is required to be more firm and safe in structure, compact in size after folding and more convenient to carry.

Accordingly, the present utility model provides a child stroller frame that differs from the prior art.

[ utility model ]

The utility model aims to overcome the defects of the prior art and provide the child stroller framework which is firm and safe in structure, small in volume after being folded and convenient to fold and operate.

The utility model is realized by the following technical scheme:

The utility model provides a children's shallow skeleton, can follow expansion position and remove to folding position after locking device unblock, includes bottom sprag frame 1, bottom sprag frame 1 on be connected with the support component 2 that can expand or fold, support component 2 upper end be connected with seat support 3 and push rod mechanism 4, support component 2 include the first bracing piece 21 and the second bracing piece 22 of intercrossing and rotationally connecting around first axis A, first bracing piece 21 lower extreme and bottom sprag frame 1 rear side rotatable coupling, first bracing piece 21 upper end movably connect on seat support 3, bottom sprag frame 1 on be equipped with the slider 5 that can slide around relative it, second bracing piece 22 lower extreme rotationally connect on slider 5 around second axis B, second bracing piece 22 upper end and push rod mechanism 4 rotationally connect around third axis C, and seat support 3's rear end rotationally connect on push rod mechanism 4 around fourth axis D, bottom sprag frame 1 front side be equipped with front end 1a front end of wheel support frame or bottom sprag frame 1 rear end connection has a wheel support 1B.

The push rod mechanism 4 comprises a handle bar 41, the lower end of the handle bar 41 is rotatably connected with the upper end of the second support bar 22 around a third axis C, and the seat support 3 is hinged on the handle bar 41 around a fourth axis D and is close to the lower end of the handle bar 41.

The upper end of the handle bar 41 is rotatably connected with a hand grip 42, and when the framework of the stroller is in a folded state, the hand grip 42 is rotatably folded to the front side of the front wheel assembly 1a and is closed to the front wheel assembly 1 a.

The seat support 3 comprises a support body 31, an extension rod 32 which is bent upwards and extends is arranged at the rear side of the support body 31, and the extension rod 32 is hinged on the push rod mechanism 4 around a fourth axis D.

The upper end of the first support bar 21 is slidably connected to the seat support 3.

The lower side of the seat support 3 is provided with a sliding groove 33 extending back and forth, a sliding block 23 capable of sliding back and forth in the sliding groove 33 is arranged in the sliding groove 33, and the upper end of the first support rod 21 is rotatably connected to the sliding block 23.

The upper end of the first support bar 21 is rotatably connected to the front side of the seat support 3.

The sliding piece 5 is a block-shaped sliding seat, rollers 51 are arranged on two sides of the sliding seat, two guide rails 11 matched with the rollers 51 are arranged on the bottom supporting frame 1, and the second supporting rod 22 is hinged to the sliding seat around the second axis B.

The two groups of the supporting components 2 are arranged on two sides of the bottom supporting frame 1, and the basket 6 is arranged below the seat supporting piece 3 and between the two groups of the supporting components 2.

The first support rod 21 or the bottom support frame 1 is provided with a basket fixing pipe 7 which can be unfolded or folded in a rotating way relative to the first support rod 21 or the bottom support frame 1, the front side of the basket 6 is connected to the upper end of the first support rod 21 or the seat support piece 3, and the rear side of the basket 6 is connected to the basket fixing pipe 7.

Compared with the prior art, the utility model has the following advantages:

1. The first support rod and the second support rod are connected in a crossed and rotatable mode, and in the unfolded state, the first support rod, the second support rod and the bottom support frame form a triangular support structure, so that the unfolded state of the child stroller is firm and safe. And when folding, the second bracing piece lower extreme rotates with the slider relatively and follows the slider and slide relative bottom sprag frame, and first bracing piece lower extreme rotates with the bottom sprag frame relatively, and first bracing piece upper end is seat support piece activity relatively to push rod mechanism rotates and draws close to the second bracing piece relatively second bracing piece, seat support piece rear end, finally makes children's shallow skeleton folding back small, and convenient operation is swift at folding in-process.

2. The two groups of the supporting components are arranged on two sides of the bottom supporting frame, so that a large storage basket is arranged below the seat supporting piece in a large enough space, and the traveling articles can be carried more conveniently.

3. The bottom support frame is provided with the two guide rails, and the two sides of the sliding seat are provided with the idler wheels, so that the framework of the baby carriage is smoothly folded by adopting a double-sliding-rail structure.

[ Description of the drawings ]

FIG. 1 is one of the perspective views of the present utility model;

FIG. 2 is one of the side views of the present utility model;

FIG. 3 is a second perspective view of the present utility model;

FIG. 4 is a third perspective view of the present utility model;

FIG. 5 is a fourth perspective view of the present utility model;

FIG. 6 is one of the side views of the present utility model during folding;

FIG. 7 is a second side view of the folding process of the present utility model;

FIG. 8 is a third side view of the present utility model during folding;

FIG. 9 is a fourth side view of the present utility model during folding;

FIG. 10 is a side view of the present utility model in a folded state;

FIG. 11 is one of the perspective views of the components of the present utility model;

FIG. 12 is one of the exploded views of the components of the present utility model;

FIG. 13 is a second perspective view of the component of the present utility model;

FIG. 14 is a third perspective view of the components of the present utility model;

fig. 15 is a second exploded view of the components of the present utility model.

[ Detailed description ] of the invention

The utility model is further described below with reference to the accompanying drawings:

As shown in fig. 1 to 10, a stroller frame can move from an unfolding position to a folding position after a locking device is unlocked, and comprises a bottom supporting frame 1, wherein a supporting component 2 capable of being unfolded or folded is connected to the bottom supporting frame 1, the upper end of the supporting component 2 is connected with a seat supporting member 3 and a push rod mechanism 4, the supporting component 2 comprises a first supporting rod 21 and a second supporting rod 22 which are mutually crossed and rotatably connected around a first axis a, the lower end of the first supporting rod 21 is rotatably connected with the rear side of the bottom supporting frame 1, the upper end of the first supporting rod 21 is movably connected with the seat supporting member 3, the bottom supporting frame 1 is provided with a sliding piece 5 capable of sliding back and forth relative to the first supporting rod, the lower end of the second supporting rod 22 is rotatably connected with the sliding piece 5 around a second axis B, the upper end of the second supporting rod 22 is rotatably connected with the push rod mechanism 4 around a third axis C, the rear end of the seat supporting member 3 is rotatably connected with the push rod mechanism 4 around a fourth axis D, the front side of the bottom supporting frame 1 is provided with a universal wheel assembly 1a, and the front side of the universal wheel assembly 1a is connected with a rear wheel assembly 1. The first support rod 21 and the second support rod 22 are connected in a crossed and rotatable mode, and in the unfolded state, the first support rod 21, the second support rod 22 and the bottom support frame 1 form a triangular support structure, so that the unfolded state of the child stroller is firm and safe. And when folding, the lower end of the second supporting rod 22 rotates relative to the sliding part 5 and slides along the sliding part 5 relative to the bottom supporting frame 1, the lower end of the first supporting rod 21 rotates relative to the bottom supporting frame 1, the upper end of the first supporting rod 21 moves relative to the seat supporting member 3, the push rod mechanism 4 rotates relative to the second supporting rod 22 and the rear end of the seat supporting member 3 to be close to the second supporting rod 22, and the height of the seat supporting member 3 also descends to be close to the bottom supporting frame 1, so that the folded stroller frame is small in size and convenient and quick to operate in the folding process. In the present embodiment, the rear wheel assembly 1b is attached to the rear side of the under-frame 1, but the rear wheel assembly 1b may be attached to the lower end of the first support bar 21.

As shown in fig. 2, 8 and 9, the push rod mechanism 4 includes a handle bar 41, the lower end of the handle bar 41 is rotatably connected to the upper end of the second support bar 22 about a third axis C, and the seat support 3 is hinged to the handle bar 41 about a fourth axis D and is located near the lower end of the handle bar 41. Therefore, when the stroller frame is folded, the connecting position of the handle bar 41 and the second support bar 22 is far away from the front end of the seat support member 3, so that the support assembly 2 is folded in the height direction, and the seat support member 3 is lowered to be close to the bottom support frame 1, so that the stroller frame is ingenious in structural design and flexible to fold.

As shown in fig. 9 and 10, the upper end of the handle bar 41 is rotatably connected with a hand grip 42, and when the stroller frame is folded, the hand grip 42 is rotatably folded to the front side of the front wheel assembly 1a and is close to the front wheel assembly 1 a. The handle grip 42 can extend the handle bar 41 for convenient pushing by a user. And when folding, the handle 42 can be rotated to the front side of the front wheel assembly 1a and is close to the front wheel assembly 1a, so that the folded state of the framework of the stroller is compact in size and small in occupied space. And can be horizontally placed or vertically placed after being folded, namely, can stand in two directions, and is convenient to store.

As shown in fig. 7, 8 and 13 to 15, the seat support 3 includes a support main body 31, an extension rod 32 bent and extended upward is provided at the rear side of the support main body 31, the extension rod 32 is hinged on the push rod mechanism 4 around the fourth axis D, and the rear side of the support main body 21 is provided with the bent extension rod 32, so that when the stroller frame is in the unfolded state, the connection position of the handle rod 41 and the second support rod 22 is closer to the front side of the seat support 3, the first support rod 21 and the second support rod 22 still form a triangular support structure, so as to ensure stability and safety, and when the stroller frame is folded, the connection position of the handle rod 41 and the second support rod 22 is far away from the front side of the seat support 3, so that the support main body 31, the first support rod 21, the handle rod 41 and the second support rod 22 can be mutually closed, and the stroller frame can be folded smoothly.

As shown in fig. 6 to 10 and 13 to 15, the upper end of the first support bar 21 is slidably connected to the seat support 3, a sliding groove 33 extending back and forth is provided at the lower side of the seat support 3, a sliding block 23 capable of sliding back and forth in the sliding groove is provided in the sliding groove, and the upper end of the first support bar 21 is rotatably connected to the sliding block 23. When the stroller is folded, the sliding block 23 slides to the rear side of the seat support member 3 in the sliding groove 33, and the upper end of the first supporting rod 21 rotates relative to the sliding block 23, so that the stroller frame is flexible to fold, and the stroller frame is compact in size and small in occupied space after folding. Of course, the upper end of the first support rod 21 may be directly hinged to the front side of the seat support 3, and when the folding is performed, the handle bar 41 rotates forward relative to the extension bar 32 to close to the seat support 3, and the seat support 3 rotates relative to the first support rod 21 to close, and the second support rod 22 rotates relative to the handle bar 41 to close to the seat support 3, so that the folding is realized.

As shown in fig. 11 and 12, the sliding member 5 is a block-shaped sliding seat, rollers 51 are disposed on two sides of the sliding seat, two guide rails 11 matched with the rollers 51 are disposed on the bottom supporting frame 1, and the second supporting rod 22 is hinged to the sliding seat around the second axis B. Therefore, the double-slide rail structure is adopted, so that the framework of the baby carriage is smoothly folded.

As shown in fig. 1 and 2, the support assemblies 2 are arranged in two groups on two sides of the bottom support frame 1, and a basket 6 is arranged below the seat support 3 and between the two groups of support assemblies 2. Therefore, the large storage basket is arranged below the seat support piece in a large enough space, so that the travelling articles can be carried more conveniently

As shown in fig. 2, 7 and 11, the bottom support frame 1 is provided with a basket fixing tube 7 capable of being unfolded or folded in a rotating manner relative to the bottom support frame, the front side of the basket 6 is connected to the seat support 3, and the rear side of the basket 6 is connected to the basket fixing tube 7. Of course, the basket fixing pipe 7 may be rotatably connected to the lower end of the first support rod 21, and the front side of the basket 6 may be connected to the upper end of the first support rod 21. The basket fixing pipe 7 can fixedly support the basket 6, and can be rotated and folded when the stroller frame is folded, so that the compact size of the stroller frame in a folded state is ensured, and the stroller frame is convenient to carry or store.

The child can sit directly on the seat support 3 while sitting. Of course, as shown in fig. 1 to 10, it is also possible to connect to the seat support 3a foldable seat assembly 8 that is capable of rotational commutation with respect to the seat support 3. Fig. 1 is a schematic view of the seat support 8 in a reverse position, with the infant in the seat assembly 8 facing the adult, and fig. 5 is a schematic view of the seat assembly 8 in a forward position, with the infant in the seat assembly 8 facing forward.

In the unfolded state of the stroller frame, the first support bar 21, the second support bar 22 and the bottom support frame 1 form a triangular support structure, the seat support element, the first support bar 21 and the second support bar 22 also form a triangular support structure, and the two triangular support structures share the first support bar 21 and the second support bar 22 as edges, so that the stroller frame has enough stability in the unfolded state, and the firmness of the structure is ensured. And when folding, the four-bar linkage mechanism formed by the handle bar 41, the seat support 41, the first support bar 21 and the second support bar 22 is linked with the link slider mechanism formed by the first support bar 21, the second support bar 22 and the bottom support frame 1 when folding, so that the framework of the stroller is smoothly folded, and the volume is small after folding. When the folding device is folded, the folding device can be operated by one hand in two steps, the folding and unfolding operation of the vehicle is realized, the folding size is small and neat, and the vehicle can stand in two directions after being folded.

The locking device of the present utility model may be provided with a locking member at a position where the grip lever 42 is connected to the handle lever 41, and a locking member at a position where the handle lever 41 is connected to the second support lever 22. The locking member may be a conventional splined locking mechanism or a bayonet locking mechanism, which will not be described in detail herein.

Claims

1. The utility model provides a children's shallow skeleton, can follow the expansion position to folding position after locking device unblock, its characterized in that: including bottom sprag frame (1), bottom sprag frame (1) on be connected with support assembly (2) that can expand or fold, support assembly (2) upper end be connected with seat support (3) and push rod mechanism (4), support assembly (2) including first bracing piece (21) and second bracing piece (22) that cross each other and rotationally connect around first axis (A), first bracing piece (21) lower extreme and bottom sprag frame (1) rear side rotatable coupling, first bracing piece (21) upper end movably connect on seat support (3), bottom sprag frame (1) on be equipped with slider (5) that can slide around relative it, second bracing piece (22) lower extreme rotationally connect on slider (5), second bracing piece (22) upper end and push rod mechanism (4) rotationally connect around third axis (C), and seat support (3) rear end rotationally connect around fourth axis (D) on support frame (1) rear end (1) rear side rotatable coupling, support frame (1) front and rear end (1) have wheel assembly (1 a), bottom sprag frame (1) front and rear side (1).

2. The stroller frame of claim 1, wherein: the push rod mechanism (4) comprises a handle rod (41), the lower end of the handle rod (41) is rotatably connected with the upper end of the second support rod (22) around a third axis (C), and the seat support piece (3) is hinged on the handle rod (41) around a fourth axis (D) and is close to the lower end of the handle rod (41).

3. The stroller frame of claim 2, wherein: the upper end of the handle bar (41) is rotatably connected with a hand grip (42), and when the framework of the baby stroller is in a folded state, the hand grip (42) is rotatably folded to the front side of the front wheel assembly (1 a) and is close to the front wheel assembly (1 a).

4. The stroller frame of claim 2, wherein: the seat support (3) comprises a support main body (31), an extension rod (32) which is bent upwards and extends is arranged on the rear side of the support main body (31), and the extension rod (32) is hinged on the push rod mechanism (4) around a fourth axis (D).

5. The stroller frame of claim 1 or 2 or 3 or 4, wherein: the upper end of the first supporting rod (21) is slidably connected to the seat supporting piece (3).

6. The stroller frame of claim 5, wherein: the lower side of the seat support (3) is provided with a sliding groove (33) extending forwards and backwards, a sliding block (23) capable of sliding forwards and backwards in the sliding groove (33) is arranged in the sliding groove, and the upper end of the first support rod (21) is rotatably connected to the sliding block (23).

7. The stroller frame of claim 1 or 2 or 3 or 4, wherein: the upper end of the first supporting rod (21) is rotatably connected to the front side of the seat supporting piece (3).

8. The stroller frame of claim 1 or 2 or 3 or 4, wherein: the sliding piece (5) is a blocky sliding seat, rollers (51) are arranged on two sides of the sliding seat, two guide rails (11) matched with the rollers (51) are arranged on the bottom supporting frame (1), and the second supporting rod (22) is hinged to the sliding seat around the second axis (B).

9. The stroller frame of claim 1 or 2 or 3 or 4, wherein: the support components (2) are arranged in two groups and are arranged on two sides of the bottom support frame (1), and a storage basket (6) is arranged below the seat support piece (3) and positioned between the two groups of support components (2).

10. The stroller frame of claim 9, wherein: the first support rod (21) or the bottom support frame (1) is provided with a basket fixing pipe (7) which can be unfolded or folded in a rotating way relative to the first support rod or the bottom support frame (1), the front side of the basket (6) is connected to the upper end of the first support rod (21) or the seat support piece (3), and the rear side of the basket (6) is connected to the basket fixing pipe (7).