CN219635296U - Baby carriage - Google Patents

Abstract

The utility model discloses a baby stroller, which comprises a frame, a seat, a first locking piece and a first unlocking piece, wherein the frame comprises a first foot component, a second foot component and a handle component which is rotationally connected with at least one foot component; the seat is detachably arranged on the frame and comprises a seat assembly and a combining element which is rotationally connected with the seat assembly and can be combined with the frame; a first locking member movably mounted on the seat and having a locking position for limiting relative rotation of the coupling member and the seat assembly and a release position for permitting rotation of the coupling member and the seat assembly; the first unlocking piece is linked with the handle component, and is used for driving the first locking piece to move from the locking position to the unlocking position when the handle component rotates relative to the foot component, so that the seat can be rotated towards one of the foot components. The folding logic is more reasonable, and when the seat is folded, the consumer does not touch the seat, so that folding safety is improved.

Description

Baby carriage

Technical Field

The utility model relates to the technical field of baby strollers, in particular to a baby stroller with a foldable seat.

Background

Baby strollers are used for babies and children to sit on, and generally comprise a seat and a frame, wherein the frame and the seat can be folded for convenient storage, or the seat can be quickly detached from the frame and then can be folded and stored independently.

For example, patent publication No. US9493178B2 discloses a child support device comprising a frame and a seat assembly, the seat assembly comprising a backrest and a seat plate, wherein when the whole vehicle is folded, folding logic is to unlock the backrest and in the process of being folded back against the seat plate, the seat assembly is unlocked immediately and is folded back against the front foot against the frame, and the frame is folded individually. In particular operations, the hands of the consumer are not separated from the backrest when the backrest is turned over, and the sudden unlocking of the seat assembly pulls the backrest by turning over may cause injury to the hands and a feeling of being abrupt to the consumer. Especially for consumer of initial use.

Disclosure of Invention

The utility model provides a baby stroller, which is more reasonable in folding logic and safer to use.

The present utility model provides a stroller comprising:

the frame comprises a first foot component, a second foot component and a handle component which is rotationally connected with at least one foot component;

a seat detachably mounted on the frame and comprising a seat assembly and a combining element rotatably connected with the seat assembly and combined with the frame;

a first locking member movably mounted on the seat and having a locking position for limiting relative rotation of the coupling member and the seat assembly and a release position for allowing rotation of the coupling member and the seat assembly;

the first unlocking piece is linked with the handle component and used for driving the first locking piece to move from the locking position to the unlocking position when the handle component rotates relative to the foot component, so that the seat can be rotated towards one of the foot components.

The following provides several alternatives, but not as additional limitations to the above-described overall scheme, and only further additions or preferences, each of which may be individually combined for the above-described overall scheme, or may be combined among multiple alternatives, without technical or logical contradictions.

Optionally, the first unlocking piece is fixedly arranged on the handle assembly and can coaxially rotate along with the handle assembly.

Optionally, the seat assembly is rotatable about a first axis, and the first locking member is movable in a radial direction through the first axis.

Optionally, the combining element is provided with a clamping part, and a clamping groove matched with the clamping part is arranged on the corresponding frame.

Optionally, the coupling element is of a hollow structure, the first locking piece is slidably assembled in the cavity of the coupling element, the first locking piece is provided with a driving part axially extending out of the coupling element and a locking part radially extending out of the coupling element, and the bottom surface of the clamping groove is provided with an avoidance groove allowing the driving part to move.

Optionally, the top of draw-in groove has the opening that supplies the block portion to pass in and out, be provided with on the block portion and can horizontal slip restriction block portion break away from the second locking piece of draw-in groove, be provided with on the two opposite lateral walls of draw-in groove with second locking piece complex second locking groove.

Optionally, a second unlocking piece for driving the second locking piece to unlock the second locking piece is arranged on the seat.

Optionally, the seat has a plane that is abutted against the frame, and the engaging portion protrudes from the plane; the seat assembly has a sink in the plane and the coupling member has a rotating portion that mates with the sink.

Optionally, the seat comprises a backrest component rotationally connected with the seat component, a third locking piece which limits the relative rotation of the backrest component and the backrest component is movably installed on the backrest component, and a gear groove which is matched with the third locking piece and enables the backrest to stay at different inclination angles is formed in the seat component.

Optionally, the second foot subassembly and the handle subassembly coaxial pivot connection, first foot subassembly articulates in the second foot subassembly just be provided with between handle subassembly and the first foot subassembly be used for driving first foot subassembly pivoted interlock piece, be provided with on the second foot subassembly with the adaptation seat of combining component cooperation.

When the handle component is folded (namely the frame is folded), the seat is folded to be close to one of the foot components, and a consumer does not contact the seat at the moment, so that the safety during folding is improved; and reasonable folding logic makes it clear to the consumer that the folding operation is being performed and does not feel abrupt to the consumer.

Drawings

FIG. 1 is a schematic view of a stroller according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the seat of FIG. 1 shown separated from the frame;

FIG. 3 is an exploded view of a coupling element and seat assembly of a stroller in accordance with an embodiment of the present utility model;

FIG. 4 is an assembled view of the coupling member and seat assembly of FIG. 3;

FIG. 5 is an exploded view of the coupling member of FIG. 3;

FIG. 6 is a schematic view of an adapter in a stroller according to an embodiment of the present utility model;

FIG. 7 is a schematic view of the structure of FIG. 6 at another view angle;

FIG. 8 is a schematic view of a first locking member of a stroller according to an embodiment of the present utility model;

FIG. 9 is a partial cross-sectional view of an embodiment of a stroller at a first locking member according to the present utility model;

FIG. 10 is a partial cross-sectional view of the first locking member of FIG. 9 in the unlocked position;

FIG. 11 is a schematic view of a first unlocking member of a stroller according to an embodiment of the present utility model;

FIG. 12 is a partial cross-sectional view of an embodiment of a stroller at a first unlocking member according to the present utility model;

FIG. 13 is a partial cross-sectional view of the first unlocking member of FIG. 12 unlocking the first locking member (corresponding to FIG. 10);

FIG. 14 is a partial cross-sectional view of an embodiment of the present utility model providing a stroller with a first leg assembly, a second leg assembly, and a handle assembly connected thereto;

FIG. 15 is a partial cross-sectional view (corresponding to FIG. 13) of the handle assembly of FIG. 14 during rotation;

FIG. 16 is a schematic view of the stroller of FIG. 1 with the backrest assembly folded;

FIG. 17 is a schematic view of the handle assembly of FIG. 16 folded to unlock the seat;

fig. 18 is a schematic view showing a structure of the stroller in a folded state in fig. 17.

Reference numerals in the drawings are described as follows:

1. a frame; 11. a first axis; 110. a first foot assembly; 120. a second foot component; 121. a first restriction groove; 122. a second limiting groove; 130. a handle assembly; 131. a first unlocking member; 132. a collar; 133. an action part; 1331. an inclined plane; 140. an adapter seat; 141. a clamping groove; 142. an opening; 143. an avoidance groove; 144. a groove; 145. a locking groove; 150. a linkage member;

2. a seat; 210. a seat assembly; 211. sinking grooves; 2111. a clamping seat;

220. a coupling member; 221. a first locking member; 2211. a driving section; 2212. a locking part; 222. an engagement portion; 223. a rotating part; 2231. a plane;

224. a second unlocking member; 225. a first elastic member; 226. a second elastic member; 227. a second locking member;

230. a backrest assembly; 240. a handrail assembly;

51. a first hinge point; 52. a second hinge point; 53. a third hinge point; 54. and a fourth hinge point.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, the present utility model provides a stroller having an unfolded state and a folded state. The stroller comprises a frame 1 and a seat 2, the frame 1 comprising a first leg assembly 110, a second leg assembly 120, and a handle assembly 130 rotatably connected to at least one of the leg assemblies. The seat 2 is detachably mounted on the frame 1 and comprises a seat assembly 210 and a coupling element 220 rotatably connected to the seat assembly 210 and engageable with the frame 1. The seat assembly 210 may be oriented to one side of the first leg assembly 110 or the second leg assembly 120, the first leg assembly being shown remote from the handle assembly and the second leg assembly being shown proximate to the handle assembly. In the folded state, the seat assembly 210 is folded toward the corresponding side, for example, in the unfolded state, the seat assembly 210 faces the first leg assembly 110, and in the folded state, the seat assembly 210 is folded toward the first leg assembly 110, and the following embodiments will be described with reference to the accompanying drawings.

The stroller further comprises a first locking member 221 and a first unlocking member 131, wherein the first locking member 221 is movably assembled on the seat 2 and has a locking position for limiting the relative rotation of the coupling element 220 and the seat assembly 210 and a unlocking position for allowing the rotation of the coupling element 220 and the seat assembly 210; in some embodiments, the first unlocking member 131 is coupled to the handle assembly and is configured to urge the first locking member 221 from the locking position to the unlocking position when the handle assembly 130 is rotated relative to one of the leg assemblies, such that the seat 2 can be rotated toward one of the leg assemblies. The corresponding folding logic is: the handle assembly 130 is first unlocked and rotated, and during rotation, the first locking member 221 is driven to move by the first unlocking member 131 to trigger and unlock the seat assembly 210, so that the seat assembly 210 is rotated to be folded.

The folding process prevents the consumer from touching the seat, so that the seat is prevented from suddenly rotating and folding to hurt other human body parts such as hands, and the use safety is improved. And the consumer realizes that the folding operation is being performed, so that the chair is prepared for folding, and no abrupt feeling is generated.

The linkage between the handle assembly 130 and the first unlocking member may be directly or indirectly fixed, or other linkage mechanisms may be provided between the two. In one embodiment, the first unlocking member 130 is fixedly disposed on the handle assembly 130 and can coaxially rotate with the handle assembly 130. Wherein the first unlocking member 130 is located on the inner side of the handle assembly 130 (the side on which the seat is located).

In an embodiment, the seat assembly 210 may rotate about the first axis 11, and the first locking member 221 may move along a radial direction passing through the first axis 11, which may simplify the structure of the seat and reduce manufacturing costs.

The axial direction is the direction in which the first axis 11 is located, which is not specifically described in the embodiments described below.

As shown in fig. 3 to 9, the coupling member 220 has a hollow structure, and the first locking member 221 is slidably mounted in the hollow of the coupling member 220, and has a driving portion 2211 axially protruding from the coupling member 220 and a locking portion 2212 radially protruding from the coupling member 220. The driving portion 2211 extends in a direction close to the handle assembly so that it can be acted on by the first unlocking member 131, and the locking portion 2212 radially protrudes to be engaged with the seat assembly 210.

The coupling member 220 has an engaging portion 222 coupled to the vehicle frame 1. Considering space assembly, the frame 1 has a clamping groove 141 (as shown in fig. 6) matched with the clamping part 222, the top of the clamping groove 141 has an opening 142 for the clamping part 222 to enter and exit, and the bottom surface has a avoiding groove 143 for allowing the driving part 2211 to move. In the drawing, an adapter seat 140 is fixedly provided on the second leg assembly 120 on the inner side (seat side) of the vehicle frame 1, and a locking groove 141 is provided on the adapter seat 140. The escape groove 143 extends upward and opens to allow the driving part 2211 to pass through.

As shown in fig. 9 and 10, in an embodiment, the engaging portion 222 is provided with a second locking member 227 capable of horizontally sliding to limit the engaging portion 222 from being separated from the slot 141, and a second unlocking member 224 for driving the second locking member 227 to unlock. For maintaining the fixation of the seat 2 and the frame 1. In the drawing, a locking groove 145 into which the second locking member 227 extends is formed on a side wall of the locking groove 141, and the second unlocking member 224 is slidably mounted on the engaging portion 222 and partially extends out of the engaging portion 222 to be pressed. An inclined plane matched with each other is arranged between the second unlocking piece 224 and the second locking piece 227, the second unlocking piece 224 is pressed during unlocking, and the second locking piece 227 is driven to slide out of the locking groove 145 through the inclined plane.

Wherein, two second locking pieces 227 are arranged between the two first elastic pieces 225 which act on the two second locking pieces 227 to extend into the corresponding locking grooves 145.

As shown in fig. 3 and 4, the seat has a plane 2231 abutting against the frame, i.e., abutting against the adapter 140, and the engaging portion 222 protrudes from the plane 2231, so as to prevent an occupant from being engaged into the gap, thereby improving safety.

The seat assembly 210 has a countersink 211 in a plane 2231, and the coupling member 220 has a rotation portion 223 that mates with the countersink 211. The plane 2231 is one axial side of the rotation portion 223. The engagement of the swivel 223 with the sink 211 serves as a fitting location and swivel guide between the seat assembly 210 and the coupling member 220.

As shown in fig. 3 to 5 and 8, the first locking member 221 includes a cylindrical body constituting the driving portion 2211, and a rectangular body constituting the locking portion 2212. The bottom of the seat assembly 210 extends along the axial direction and is matched with the locking part 2212, and the clamping groove matched with the locking part 2212 is formed in the clamping seat 2111. The coupling member 220 is provided therein with a second elastic member 226 acting on the first locking member 221 to restore it.

As shown in fig. 5, the second unlocking member 224, the second locking member 227, and the first locking member 221 are disposed between the engaging portion 222 and the rotating portion 223.

As shown in fig. 6, 7 and 11-13, in an embodiment, the coupling element and the first unlocking member are distributed on two axial sides of the adapter seat. In the illustration, the first unlocking member 131 rotates around the first axis, the first unlocking member 131 has a collar 132 matched with the adapter seat 140, an action portion 133 extending into the adapter seat 140 and matched with the driving portion 2211 is disposed on the inner wall of the collar 132, the action portion 133 is a bump with an arc structure, and a groove 144 matched with the action portion 133 and communicated with the avoiding groove 143 is formed in the adapter seat 140. The bump has an inclined surface 1331, and when the handle assembly 130 rotates, the inclined surface 1331 pushes the driving part 2211 to drive the first locking piece to switch to the unlocking position, and the first locking piece is always in the unlocking position in the subsequent folding rotation process of the handle assembly 130. That is, the bump abuts against the driving portion 2211 to limit the first locking member to reset.

Referring back to fig. 2, in one embodiment, the stroller includes a backrest assembly 230 rotatably coupled to the seat assembly 210, a third locking member movably mounted on the backrest assembly 230 to limit relative rotation of the backrest assembly and the seat assembly is provided with a gear slot configured to cooperate with the third locking member to allow the backrest to rest at different tilt angles. The seat assembly 210 is also provided with a armrest assembly 240. The backrest assembly 230 unlocks the armrest assembly 240 to rotate against the seat assembly 210 due to gravity during the rotational folding process.

It should be noted that, the folding operation of the backrest module 230 is independent from other folding operations, i.e. when the whole vehicle is folded, the backrest module 230 should preferably be folded first. The folding operation is performed on the frame.

In one embodiment, the first foot assembly 110, the second foot assembly 120, and the handle assembly 130 are coaxially pivotally connected.

Or in another embodiment, as shown in fig. 14 and 15, the second foot assembly 120 and the handle assembly 130 are pivotally connected coaxially (corresponding to the first hinge point 51), the first foot assembly 110 is hinged to the second foot assembly 120 (i.e. the second hinge point 52), and a linkage 150 for driving the first foot assembly 110 to rotate is disposed between the handle assembly 130 and the first foot assembly 110.

In the illustration, the linkage member 150 is a sheet body, and is movably mounted on the second leg assembly 120, and one end of the linkage member 150 is hinged to the third hinge point 53 at the handle assembly 130, and the other end is hinged to the fourth hinge point 54 at the first leg assembly 110. The four hinge points do not coincide, and when the folding handle assembly 130 rotates around the first hinge point 51, the driving linkage 150 moves to drive the first foot assembly 110 to rotate around the second hinge point 52.

In an embodiment, the second leg assembly 120 is provided with a first limiting groove 121 and a second limiting groove 122 defining a movement path of the linkage 150, and the linkage 150 is engaged with the first limiting groove 121 at the third hinge point 53 and engaged with the second limiting groove 122 at the fourth hinge point 54 by a latch. In the drawing, the two limiting grooves are arc grooves.

In one embodiment, a third latch member is slidably mounted within the handlebar assembly and acts on the second foot assembly to maintain the frame in the deployed state. The handle assembly is provided with a third unlocking piece and a stay wire connected between the third unlocking piece and the third locking piece.

The following operations of folding and unfolding of the stroller are described again:

folding operation: as shown in fig. 1, 16-18, the second locking member is driven to withdraw from the gear groove, so that the backrest assembly is folded close to the seat assembly; operating the third unlocking piece to drive the third locking piece to move, so that the handle component can rotate to close the second foot component; in the folding process of the handle assembly, the first locking piece is driven to move so that the seat is folded by gravity rotation, and the first foot assembly is driven to rotate and close to the second foot assembly through the linkage piece until final folding is completed.

Unfolding operation: and rotating the handle assembly and driving the first foot assembly to be far away from the second foot assembly until the third locking piece is reset to enable the frame to be in a unfolding state, rotating the backrest assembly until the second locking piece enters the gear groove, and continuing rotating the backrest assembly to drive the whole seat to rotate until the first locking piece is reset to complete unfolding operation.

It should be noted that, the consumers mentioned in the effect do not touch the seat, mainly for the process of rotating the seat to close to one of the foot assemblies, and the folding of the backrest assembly during the folding operation is not in conflict.

According to the baby stroller, in the folding process, a consumer does not touch the seat, so that the phenomenon that the seat suddenly rotates and folds to hurt other human body parts such as hands and the like is avoided, and the use safety is improved. And the consumer realizes that the folding operation is performed, so that the chair is ready to be folded, and no abrupt feeling is generated. And the orientation of the seat can not influence the folding operation, and the operation is convenient.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description. When technical features of different embodiments are embodied in the same drawing, the drawing can be regarded as a combination of the embodiments concerned also being disclosed at the same time.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims (10)

1. Baby stroller, characterized by comprising:

the frame comprises a first foot component, a second foot component and a handle component which is rotationally connected with at least one foot component;

a seat detachably mounted on the frame and comprising a seat assembly and a combining element rotatably connected with the seat assembly and combined with the frame;

a first locking member movably mounted on the seat and having a locking position for limiting relative rotation of the coupling member and the seat assembly and a release position for allowing rotation of the coupling member and the seat assembly;

the first unlocking piece is linked with the handle component and used for driving the first locking piece to move from the locking position to the unlocking position when the handle component rotates relative to the foot component, so that the seat can be rotated towards one of the foot components.

2. The stroller of claim 1, wherein the first unlocking member is fixedly disposed on the handle assembly for coaxial rotation therewith.

3. The stroller of claim 2, wherein the seat assembly is rotatable about a first axis and the first lock moves in a radial direction through the first axis.

4. A stroller according to claim 3, wherein the coupling members have engagement portions, and the respective frames are provided with engagement grooves for engaging the engagement portions.

5. The stroller of claim 4, wherein the coupling member is hollow, the first locking member is slidably mounted in the cavity of the coupling member, the first locking member has a driving portion axially extending from the coupling member and a locking portion radially extending from the coupling member, and the bottom surface of the clamping groove is provided with a recess allowing the driving portion to move.

6. The stroller of claim 4, wherein the top of the clamping groove is provided with an opening for the clamping part to enter and exit, the clamping part is provided with a second locking piece which can slide horizontally and limit the clamping part to separate from the clamping groove, and two opposite side walls of the clamping groove are provided with second locking grooves matched with the second locking piece.

7. The stroller of claim 6, wherein the seat is provided with a second unlocking member that drives the second locking member to unlock the second locking member.

8. The stroller of claim 4, wherein the seat has a planar surface against the frame, the engagement portion protruding from the planar surface; the seat assembly has a sink in the plane and the coupling member has a rotating portion that mates with the sink.

9. A stroller according to claim 1, comprising a backrest assembly rotatably connected to the seat assembly, wherein the backrest assembly is movably mounted with a third locking member which limits relative rotation of the backrest assembly and wherein the seat assembly is provided with a gear slot which cooperates with the third locking member to allow the backrest to rest at different tilt angles.

10. The stroller of claim 1, wherein the second leg assembly and the handle assembly are pivotally connected coaxially, the first leg assembly is hinged to the second leg assembly, a linkage member is disposed between the handle assembly and the first leg assembly for driving the first leg assembly to rotate, and an adapter seat is disposed on the second leg assembly for mating with the coupling member.