阅读说明：本技术 滑动折叠式儿童推车 (Sliding folding type children's carriage ) 是由 施国成 于 2020-12-22 设计创作，主要内容包括：一种滑动折叠式儿童推车,包括前轮组件、后轮组件、推杆组件、座板组件、靠背组件、座板支撑件、下连杆、扶手支撑件及扶手组件；前轮组件包括前轮架杆、前轮安装座、第一连接件及滑套；后轮组件与第一连接件转动连接；推杆组件与前轮架杆滑动套接；座板支撑件与滑套转动连接；座板支撑件与座板组件转动连接；座板组件与靠背组件转动连接；座板组件与第一连接件转动连接；扶手支撑件与座板组件转动连接,顶端与扶手组件转动连接；扶手组件与靠背组件转动连接；下连杆的一端与滑套转动连接,另一端与后轮组件转动连接。如此可充分折叠,折叠后的体积较小且可靠性高。(A sliding folding type children stroller comprises a front wheel assembly, a rear wheel assembly, a push rod assembly, a seat plate assembly, a backrest assembly, a seat plate supporting piece, a lower connecting rod, a handrail supporting piece and a handrail assembly; the front wheel assembly comprises a front wheel frame rod, a front wheel mounting seat, a first connecting piece and a sliding sleeve; the rear wheel assembly is rotationally connected with the first connecting piece; the push rod component is sleeved with the front wheel frame rod in a sliding manner; the seat board supporting piece is rotationally connected with the sliding sleeve; the seat plate supporting piece is rotationally connected with the seat plate component; the seat plate component is rotationally connected with the backrest component; the seat plate component is rotationally connected with the first connecting piece; the armrest supporting piece is rotationally connected with the seat board component, and the top end of the armrest supporting piece is rotationally connected with the armrest component; the armrest component is rotationally connected with the backrest component; one end of the lower connecting rod is rotatably connected with the sliding sleeve, and the other end of the lower connecting rod is rotatably connected with the rear wheel assembly. Thus, the folding chair can be fully folded, and has small volume and high reliability after being folded.)

1. The utility model provides a slide foldable children's shallow which characterized in that: comprises a front wheel component, a rear wheel component, a push rod component, a seat board component, a backrest component, a seat board supporting component, a lower connecting rod, an armrest supporting component and an armrest component; the front wheel assembly comprises a front wheel frame rod, a front wheel mounting seat connected with the bottom end of the front wheel frame rod, a first connecting piece connected with the top end of the front wheel frame rod and a sliding sleeve sleeved in the middle of the front wheel frame rod in a sliding manner; the top end of the rear wheel assembly is rotatably connected with the bottom end of the first connecting piece; the push rod component is sleeved with the front wheel frame rod in a sliding manner; the bottom end of the seat plate supporting piece is rotatably connected with the bottom end of the sliding sleeve; the top end of the seat plate supporting piece is rotationally connected with the front end of the bottom of the seat plate component; the rear end of the top of the seat plate component is rotationally connected with the bottom of the backrest component; the rear end of the bottom of the seat plate component is rotationally connected with the top end of the first connecting piece; the bottom end of the handrail supporting piece is rotationally connected with the front end of the top of the seat board component, and the top end of the handrail supporting piece is rotationally connected with the middle part of the handrail component; the rear end of the armrest component is rotationally connected with the middle part of the backrest component; one end of the lower connecting rod is rotatably connected with the bottom end of the sliding sleeve, and the other end of the lower connecting rod is rotatably connected with the middle part of the rear wheel assembly.

2. A slide and fold stroller according to claim 1, wherein: the front wheel mounting seat is characterized in that the end face, facing the sliding sleeve, of the front wheel mounting seat is a first inclined face, the end face, facing the front wheel mounting seat, of the sliding sleeve is a second inclined face, and the first inclined face is parallel to the second inclined face.

3. A slide and fold stroller according to claim 1, wherein: the rear wheel assembly comprises a rear wheel frame rod and two rear wheels rotatably arranged at the bottom end of the rear wheel frame rod, and the front wheel assembly also comprises two front wheels rotatably arranged on the front wheel mounting seat; the distance between the two front wheels is smaller than the distance between the two rear wheels.

4. A slide and fold stroller according to claim 1, wherein: the front end of the bottom of the seat plate component is provided with a U-shaped first connecting seat in a protruding mode, and the top end of the seat plate supporting piece is connected with the first connecting seat in a rotating mode through a fourth pin shaft.

5. A slide and fold stroller according to claim 1, wherein: the arc-shaped protrusion of the rear end of the top of the seat plate component is provided with a second connecting seat, and the bottom of the backrest component is rotatably connected with the second connecting seat through a fifth pin shaft.

6. A slide and fold stroller according to claim 1, wherein: the rear end of the bottom of the seat plate component is provided with a third connecting seat in a protruding mode, and the top end of the first connecting piece and the side, far away from the rear wheel component, of the first connecting piece are rotatably connected with the third connecting seat through a sixth pin shaft.

7. A slide and fold stroller according to claim 1, wherein: and the two sides of the middle part of the armrest component extend downwards to form connecting support legs, and the connecting support legs are rotatably connected with the top end of the armrest supporting part through eighth pin shafts.

8. A slide and fold stroller according to claim 1, wherein: a first locking unit is arranged between the seat plate assembly and the backrest assembly, a second locking unit is arranged between the push rod assembly and the front wheel carrier rod, and a third locking unit is arranged between the front wheel frame rod and the sliding sleeve.

9. A slide and fold stroller according to claim 8, wherein: the bottom of the push rod component is slidably positioned inside the front wheel frame rod, at least one first positioning hole is formed in the front wheel frame rod, a first positioning column is arranged on the push rod component in a protruding mode, a second spring is arranged between the first positioning column and the push rod component, and the first positioning column movably protrudes out of the first positioning hole.

10. A slide and fold stroller according to claim 1, wherein: the push rod assembly is rotatably connected with the top of the push rod assembly through a second pin shaft, and a fourth locking unit is arranged between the push rod assembly and the push rod assembly.

Technical Field

The invention relates to the technical field of children's carts, in particular to a sliding folding type children's cart.

Background

The baby stroller is a traffic tool very suitable for babies, and is also an essential product for mothers to go shopping with the babies. The stroller is large in size, large in occupied space for storage, and inconvenient to transport and transfer. The folded volume of some existing foldable baby strollers is still large, and the reliability is low.

Disclosure of Invention

In view of the above, the present invention provides a foldable stroller with small volume and high reliability after being folded, so as to solve the above problems.

A sliding folding type children stroller comprises a front wheel assembly, a rear wheel assembly, a push rod assembly, a seat plate assembly, a backrest assembly, a seat plate supporting piece, a lower connecting rod, a handrail supporting piece and a handrail assembly; the front wheel assembly comprises a front wheel frame rod, a front wheel mounting seat connected with the bottom end of the front wheel frame rod, a first connecting piece connected with the top end of the front wheel frame rod and a sliding sleeve sleeved in the middle of the front wheel frame rod in a sliding manner; the top end of the rear wheel assembly is rotatably connected with the bottom end of the first connecting piece; the push rod component is sleeved with the front wheel frame rod in a sliding manner; the bottom end of the seat plate supporting piece is rotatably connected with the bottom end of the sliding sleeve; the top end of the seat plate supporting piece is rotationally connected with the front end of the bottom of the seat plate component; the rear end of the top of the seat plate component is rotationally connected with the bottom of the backrest component; the rear end of the bottom of the seat plate component is rotationally connected with the top end of the first connecting piece; the bottom end of the handrail supporting piece is rotationally connected with the front end of the top of the seat board component, and the top end of the handrail supporting piece is rotationally connected with the middle part of the handrail component; the rear end of the armrest component is rotationally connected with the middle part of the backrest component; one end of the lower connecting rod is rotatably connected with the bottom end of the sliding sleeve, and the other end of the lower connecting rod is rotatably connected with the middle part of the rear wheel assembly.

Furthermore, the end face of the front wheel mounting seat facing the sliding sleeve is a first inclined plane, the end face of the sliding sleeve facing the front wheel mounting seat is a second inclined plane, and the first inclined plane is parallel to the second inclined plane.

Furthermore, the rear wheel assembly comprises a rear wheel frame rod and two rear wheels rotatably mounted at the bottom end of the rear wheel frame rod, and the front wheel assembly also comprises two front wheels rotatably mounted on the front wheel mounting seat; the distance between the two front wheels is smaller than the distance between the two rear wheels.

Furthermore, the front end of the bottom of the seat plate component is provided with a U-shaped first connecting seat in a protruding mode, and the top end of the seat plate supporting piece is rotatably connected with the first connecting seat through a fourth pin shaft.

Furthermore, the arc-shaped protrusion at the rear end of the top of the seat plate assembly is provided with a second connecting seat, and the bottom of the backrest assembly is rotatably connected with the second connecting seat through a fifth pin shaft.

Furthermore, the rear end of the bottom of the seat plate component is provided with a third connecting seat in a protruding mode, and the top end of the first connecting piece and the side, far away from the rear wheel component, of the first connecting piece are rotatably connected with the third connecting seat through a sixth pin shaft.

Furthermore, both sides of the middle part of the armrest component extend downwards to be provided with connecting support legs, and the connecting support legs are rotatably connected with the top end of the armrest supporting part through eighth pin shafts.

Furthermore, a first locking unit is arranged between the seat plate assembly and the backrest assembly, a second locking unit is arranged between the push rod assembly and the front wheel frame rod, and a third locking unit is arranged between the front wheel frame rod and the sliding sleeve.

Furthermore, the bottom of the push rod component is slidably located inside the front wheel frame rod, at least one first positioning hole is formed in the front wheel frame rod, a first positioning column is arranged on the push rod component in a protruding mode, a second spring is arranged between the first positioning column and the push rod component, and the first positioning column movably protrudes out of the first positioning hole.

Furthermore, the push rod assembly further comprises a push handle, the push handle is rotatably connected with the top of the push rod assembly through a second pin shaft, and a fourth locking unit is arranged between the push rod assembly and the push handle.

Compared with the prior art, the sliding folding type child stroller comprises a front wheel assembly, a rear wheel assembly, a push rod assembly, a seat plate assembly, a backrest assembly, a seat plate supporting piece, a lower connecting rod, a handrail supporting piece and a handrail assembly; the front wheel assembly comprises a front wheel frame rod, a front wheel mounting seat connected with the bottom end of the front wheel frame rod, a first connecting piece connected with the top end of the front wheel frame rod and a sliding sleeve sleeved in the middle of the front wheel frame rod in a sliding manner; the top end of the rear wheel assembly is rotatably connected with the bottom end of the first connecting piece; the push rod component is sleeved with the front wheel frame rod in a sliding manner; the bottom end of the seat plate supporting piece is rotatably connected with the bottom end of the sliding sleeve; the top end of the seat plate supporting piece is rotationally connected with the front end of the bottom of the seat plate component; the rear end of the top of the seat plate component is rotationally connected with the bottom of the backrest component; the rear end of the bottom of the seat plate component is rotationally connected with the top end of the first connecting piece; the bottom end of the handrail supporting piece is rotationally connected with the front end of the top of the seat board component, and the top end of the handrail supporting piece is rotationally connected with the middle part of the handrail component; the rear end of the armrest component is rotationally connected with the middle part of the backrest component; one end of the lower connecting rod is rotatably connected with the bottom end of the sliding sleeve, and the other end of the lower connecting rod is rotatably connected with the middle part of the rear wheel assembly. Thus, the folding chair can be fully folded, and has small volume and high reliability after being folded.

Drawings

Embodiments of the invention are described below with reference to the accompanying drawings, in which:

fig. 1 is a first side view of a sliding, folding stroller in accordance with the present invention.

Fig. 2 is a second side view of the stroller of the present invention.

Fig. 3 is a schematic view of the first state of the sliding foldable stroller according to the present invention when folded.

Fig. 4 is a schematic view of the second state of the sliding foldable stroller according to the present invention when folded.

Fig. 5 is a schematic view of a third state of the slide and fold stroller according to the present invention when folded.

Fig. 6 is a schematic view of a fourth state of the slide and fold stroller according to the present invention when folded.

Detailed Description

Specific embodiments of the present invention will be described in further detail below based on the drawings. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.

Referring to fig. 1 and 2, the stroller of the present invention includes a front wheel assembly 1, a rear wheel assembly 2, a push rod assembly 3, a push handle 4, a seat plate assembly 5, a backrest assembly 6, a seat plate support 7, a lower link 8, an armrest support 9 and an armrest assembly 10.

The front wheel assembly 1 comprises a front wheel frame rod 11, a front wheel mounting seat 12 connected with the bottom end of the front wheel frame rod 11, two front wheels 13 rotatably mounted on the front wheel mounting seat 12, a first connecting piece 14 connected with the top end of the front wheel frame rod 11, and a sliding sleeve 15 slidably sleeved in the middle of the front wheel frame rod 11.

The end face of the front wheel mounting seat 12 facing the sliding sleeve 15 is a first inclined plane, the end face of the sliding sleeve 15 facing the front wheel mounting seat 12 is a second inclined plane, and the first inclined plane is parallel to the second inclined plane. So that the sliding sleeve 15 can slide to the second inclined surface to be fully abutted with the first inclined surface of the front wheel mounting seat 12.

The rear wheel assembly 2 includes a rear wheel frame bar 21 and two rear wheels 22 rotatably mounted to the bottom end of the rear wheel frame bar 21.

The distance between the two front wheels 13 is smaller than the distance between the two rear wheels 22.

The top end of the rear wheel frame rod 21 is rotatably connected with one side of the bottom end of the first connecting piece 14 through a first pin shaft.

The push rod component 3 is sleeved with the front wheel frame rod 11 in a sliding way. In this embodiment, the bottom of the push rod assembly 3 is slidably positioned inside the front wheel frame lever 11. The push handle 4 is rotatably connected with the top of the push rod component 3 through a second pin shaft.

The bottom end of the seat board supporting piece 7 is rotatably connected with the bottom end of the sliding sleeve 15 and one side far away from the rear wheel component 2 through a third pin shaft. The bottom front end of the seat plate component 5 is provided with a first connecting seat 51 in a protruding U shape, and the top end of the seat plate supporting piece 7 is rotatably connected with the first connecting seat 51 through a fourth pin shaft.

The top rear end of the seat plate component 5 is convexly provided with a second connecting seat 52, and the bottom of the backrest component 6 is rotatably connected with the second connecting seat 52 through a fifth pin shaft.

The rear end of the bottom of the seat plate component 5 is provided with a third connecting seat in a protruding mode, and the top end of the first connecting piece 14 and the side, far away from the rear wheel component 2, of the first connecting piece are rotatably connected with the third connecting seat through a sixth pin shaft.

The bottom end of the handrail supporting part 9 is rotatably connected with the front end of the top part of the seat plate component 5 through a seventh pin shaft.

The two sides of the middle part of the armrest assembly 10 are both provided with connecting support legs 101 in a downward extending manner, and the connecting support legs 101 are rotatably connected with the top end of the armrest supporting member 9 through eighth pin shafts.

The rear end of the armrest component 10 is rotatably connected with the middle part of the backrest component 6 through a ninth pin shaft.

One end of the lower connecting rod 8 is rotatably connected with the bottom end of the sliding sleeve 15 and one side of the rear wheel assembly 2 through a tenth pin shaft. The other end of the lower connecting rod 8 is rotatably connected with the middle part of the rear wheel frame rod 21 through an eleventh pin shaft.

A first locking unit is arranged between the second connecting seat 52 and the backrest assembly 6, and the first locking unit can lock the rotation angle or contact locking of the backrest assembly 6 relative to the second connecting seat 52. In this embodiment, the bottom end surface of the backrest module 6 is concavely provided with at least one first positioning groove, the second connecting seat 52 is convexly provided with a fixture block, a first spring is arranged between the fixture block and the second connecting seat 52, the fixture block is movably located in the first positioning groove, and an operating button is used for pressing the fixture block, so that the first spring contracts, the fixture block exits from the first positioning groove, and the backrest module 6 can rotate relative to the second connecting seat 52.

A second locking unit is provided between the push rod assembly 3 and the front wheel frame bar 11, and the second locking unit can lock a position of the push rod assembly 3 in the front wheel frame bar 11. In this embodiment, at least one first positioning hole is formed on the front wheel carrier rod 11, a first positioning column is protruded from the push rod assembly 3, a second spring is arranged between the first positioning column and the push rod assembly 3, and the first positioning column is movably protruded from the first positioning hole.

A third locking unit is arranged between the front wheel frame rod 11 and the sliding sleeve 15, and the third locking unit can lock the position of the sliding sleeve 15 sleeved on the front wheel frame rod 11. In this embodiment, the sliding sleeve 15 is provided with at least one second positioning hole, the front wheel frame rod 11 is provided with a second positioning column in a protruding manner, a third spring is provided between the second positioning column and the front wheel frame rod 11, and the second positioning column movably protrudes out of the second positioning hole.

A fourth locking unit is arranged between the push rod assembly 3 and the push handle 4.

When folding, the first locking unit is first unlocked, so that the backrest assembly 6 is folded toward the seat plate assembly 5 by rotation, as indicated by arrow a in fig. 1.

Referring to fig. 3, the second locking unit is unlocked, so that the push rod assembly 3 is slidingly retracted in the front wheel frame 11, as indicated by arrow b.

Referring to fig. 4 to 6, the third locking unit is unlocked, such that the sliding sleeve 15 slides towards the front wheel mounting seat 12, and the seat plate assembly 5 rotates around the sixth pin towards the front wheel frame rod 11, as indicated by arrows c, d. At the same time, the fourth locking unit can be unlocked, so that the push handle 4 is rotated toward the rear wheel assembly 2.

Compared with the prior art, the sliding folding type child stroller comprises a front wheel assembly 1, a rear wheel assembly 2, a push rod assembly 3, a seat plate assembly 5, a backrest assembly 6, a seat plate support member 7, a lower connecting rod 8, an armrest support member 9 and an armrest assembly 10; the front wheel assembly 1 comprises a front wheel frame rod 11, a front wheel mounting seat 12 connected with the bottom end of the front wheel frame rod 11, a first connecting piece 14 connected with the top end of the front wheel frame rod 11 and a sliding sleeve 15 sleeved in the middle of the front wheel frame rod 11 in a sliding manner; the top end of the rear wheel component 2 is rotatably connected with the bottom end of the first connecting piece 14; the push rod component 3 is sleeved with the front wheel frame rod 11 in a sliding way; the bottom end of the seat board supporting piece 7 is rotatably connected with the bottom end of the sliding sleeve 15; the top end of the seat plate supporting piece 7 is rotationally connected with the front end of the bottom of the seat plate component 5; the rear end of the top of the seat plate component 5 is rotationally connected with the bottom of the backrest component 6; the rear end of the bottom of the seat plate component 5 is rotatably connected with the top end of the first connecting piece 14; the bottom end of the handrail supporting piece 9 is rotationally connected with the front end of the top part of the seat board component 5, and the top end is rotationally connected with the middle part of the handrail component 10; the rear end of the armrest component 10 is rotatably connected with the middle part of the backrest component 6; one end of the lower connecting rod 8 is rotatably connected with the bottom end of the sliding sleeve 15, and the other end is rotatably connected with the middle part of the rear wheel component 2. Thus, the folding chair can be fully folded, and has small volume and high reliability after being folded.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, and any modifications, equivalents or improvements that are within the spirit of the present invention are intended to be covered by the following claims.