Foldable baby stroller seat and stroller

Abstract

The utility model discloses a foldable baby stroller seat and stroller wherein the baby stroller seat comprises a backrest frame, a seat frame, a front armrest and a joint device wherein the joint device comprises: a joint seat arranged on the seat frame; the first joint piece is pivotally mounted on the joint seat and is arranged on the backrest frame; the second joint piece is pivotally mounted on the joint seat and is connected with the front armrest; the first locking piece is inserted into the first joint piece and the joint seat; the second locking piece is inserted into the second locking piece and the joint seat; the first unlocking piece can push the first locking piece and is used for unlocking the first joint piece and the joint seat; and the second unlocking piece can push the second locking piece to move into the joint seat so as to unlock the second joint piece and the joint seat. The second unlocking piece can push the second locking piece to move, locking of the second joint piece and the front armrest is released, the front armrest and the seat frame can be folded in a relative rotating mode, and the baby stroller seat is small in size after being folded and convenient to carry and store.

Description

Technical Field

[0001] The utility model relates to the technical field of baby products, in particular to a baby stroller seat and a stroller. Background Art

[0002] A stroller seat typically consists of a backrest frame and a seat frame. The seat frame is mounted on the exterior of the stroller frame, while the backrest is mounted on the seat frame. Both the backrest and seat frames are covered with a fabric cover for the baby to sit or lie down on. Some stroller seats also have front armrests that restrain the baby when sitting, preventing them from falling forward.

[0003] Typically, the front armrest is fixedly mounted on the seat frame, with a retaining structure such as a buckle to prevent it from falling off during use. This ensures that the front armrest maintains a fixed relative position to the seat frame after installation. With this structure, when the stroller seat is folded, the front armrest remains fixed relative to the seat frame, preventing them from rotating and folding relative to each other. This results in the stroller seat still being quite bulky even after folding, making it inconvenient to carry and store. Utility Model Content

[0004] The purpose of the utility model is to provide a foldable baby stroller seat, which can solve the problem of being inconvenient to carry and store.

[0005] The utility model also provides a stroller with the foldable baby stroller seat.

[0006] To achieve the above-mentioned purpose, a foldable baby stroller seat is provided, which includes a backrest frame, a seat frame, a front armrest and a joint device, wherein the joint device includes: a joint seat, which is provided on the seat frame; a first joint component, which is pivotally mounted on the joint seat and is provided on the backrest frame; a second joint component, which is pivotally mounted on the joint seat and connected to the front armrest; a first locking component, which is inserted between the first joint component and the joint seat, and is used to limit the rotation of the first joint component relative to the joint seat; a second locking component, which is inserted between the second locking component and the joint seat, and is used to limit the rotation of the second joint component relative to the joint seat; a first unlocking component, which can push the first locking component to unlock the first joint component and the joint seat; and a second unlocking component, which can push the second locking component to move into the joint seat to unlock the second joint component and the joint seat.

[0007] According to the foldable baby stroller seat, the first locking member and the second locking member are both configured as gear members, and both sides of the joint seat and the first joint member and the second joint member are provided with tooth grooves, the first locking member is inserted into the tooth groove on one side of the joint seat and the tooth groove on the first joint member, and the second locking member is inserted into the tooth groove on the other side of the joint seat and the tooth groove on the second joint member.

[0008] According to the foldable baby stroller seat, a first elastic member is provided between the first locking member and the joint seat, and a second elastic member is provided between the second locking member and the joint seat.

[0009] According to the foldable baby stroller seat, the first unlocking member is rotatably inserted between the first joint member and the first locking member, and the first unlocking member has a pushing portion opposite to the end face of the first locking member, a pull rope is provided in the backrest frame, and one end of the pull rope is connected to the first unlocking member, the first unlocking member has a first guide bevel on the side facing the first joint member, and the first joint member has a second guide bevel in contact with the first guide bevel; when the pull rope is pulled, the first unlocking member can be pulled to rotate relative to the first joint member.

[0010] According to the foldable baby stroller seat, one end of the second unlocking member is connected to the first joint member, and the other end extends to pass through the first locking member and the second locking member, and is provided with a mounting portion. The mounting portion has a third guide bevel on a side close to the joint seat, and the second locking member has a fourth guide bevel that contacts and cooperates with the third guide bevel.

[0011] According to the foldable baby stroller seat, one end of the second unlocking member has a first tooth portion, and the first joint member has a second tooth portion engaged with the first tooth portion.

[0012] According to the foldable baby stroller seat, a drive assembly is provided on the backrest frame, and the drive assembly is connected to the other end of the pull rope.

[0013] According to the foldable baby stroller seat, one of the second locking member and the second joint member has a positioning tooth, and the other has a positioning groove, and the positioning tooth is engaged and clamped in the positioning groove.

[0014] The utility model also provides a stroller, which comprises the foldable baby stroller seat.

[0015] Beneficial Effects: With the above structure, when the stroller is unfolded for use, the second joint member and the front armrest are in a locked state, effectively restraining the baby and preventing the baby from falling forward. When the stroller needs to be folded, the second unlocking member can drive the second locking member to move into the joint seat, releasing the lock of the second joint member and the front armrest. The front armrest and the seat frame can be relatively rotated and folded, so that the stroller seat can be smaller in size after folding, making it easier to carry and store.

[0016] The backrest frame and the front armrest can be rotated relative to the seat frame, making the baby stroller seat easy to fold and unfold, and facilitating portability and storage.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0019] Figure 1 A structural diagram of a foldable baby stroller seat;

[0020] Figure 2 A cross-sectional view of a partial structure of a foldable baby stroller seat;

[0021] Figure 3 A first exploded view of a partial structure of a foldable baby stroller seat;

[0022] Figure 4 The second exploded view is a partial structure diagram of the foldable baby stroller seat. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0024] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0025] In the description of this utility model, terms such as "greater than," "less than," and "exceed" are understood to exclude the number indicated, while terms such as "above," "below," and "within" are understood to include the number indicated. The terms "first" and "second" are used solely to distinguish technical features and are not to be construed as indicating or implying relative importance, or as implicitly specifying the number or order of the technical features indicated.

[0026] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0027] Reference Figure 1-4The embodiment of the present invention is a foldable baby stroller seat, which includes a backrest frame 10, a seat frame 20, a front armrest 30 and a joint device 40, wherein the joint device 40 includes a joint seat 41, a first joint component 42, a second joint component 43, a first locking component 44, a second locking component 45, a first unlocking component 461 and a second unlocking component 462, the joint seat 41 is fixed to the seat frame 20, the first joint component 42 is pivotally mounted on the joint seat 41, and the first joint component 42 is plug-connected to the backrest frame 10, the second joint component 43 is pivotally mounted on the joint seat 41, and the second joint component 43 is plug-connected to the front armrest 30, the first locking component 44 is simultaneously plug-connected to the first joint component 42 and the joint seat 41, and the first locking component 44 limits the first joint component 42 from rotating relative to the joint seat, the second locking component 45 is simultaneously plug-connected to the second locking component 45 and the joint seat 41, and the second locking component 45 limits the second joint component 43 from rotating relative to the joint seat.

[0028] The baby stroller seat is unfolded Figure 1 As shown, at this time, the first locking member 44 is simultaneously inserted into the first joint member 42 and the joint seat 41, and the second locking member 45 is simultaneously inserted into the second locking member 45 and the joint seat 41, and the first joint member 42 and the second joint member 43 are both in a locked state; when unlocking is required, the first locking member 44 is pushed to move by the first unlocking member 461 so that the first locking member 44 is only inserted into the first joint member 42 or the joint seat 41, and the first joint member 42 and the joint seat 41 are unlocked, and the second locking member 45 is pushed to move into the joint seat 41 by the second unlocking member 463 to unlock the second joint member 43 and the joint seat 41; the locks of the first joint member 42 and the second joint member 43 are released, and the baby stroller seat can be folded.

[0029] As described above, when the stroller is unfolded, the second joint member 43 and the front armrest 30 are locked, effectively restraining the baby and preventing the baby from falling forward. When the stroller needs to be folded, the second unlocking member 463 drives the second locking member 45 to move, releasing the lock between the second joint member 43 and the front armrest 30. The front armrest 30 and the seat frame 20 can then be rotated relative to each other and folded. This allows the stroller seat to be compact when folded, making it easier to carry and store. In this way, both the backrest frame 10 and the front armrest 30 can rotate relative to the seat frame 20, making the stroller seat easy to fold and unfold, and convenient for carrying and storing.

[0030] Specifically, in this embodiment, the joint seat 41 and the seat frame 20 are integrally formed. The first joint member 42 and the second joint member 43 are both rotatably mounted on the joint seat 41, and the rotation axes of the first joint member 42 and the second joint member 43 are collinear. A shaft member is sequentially provided through the first joint member 42, the joint seat 41, and the second joint member 43. The shaft member has a limiting portion at each end on the outside of the first joint member 42 and the second joint member 43 to assemble the three together. An end cap 50 is also provided on the outside of the second joint member 43 to shield the end of the shaft member.

[0031] In this embodiment, the first locking member 44 and the second locking member 45 are both configured as gear members. Tooth grooves 411 are provided on both sides of the joint seat 41 and the first joint member 42 and the second joint member 43. The first locking member 44 cooperates with the tooth grooves 411 on one side of the joint seat 41 and the tooth grooves 411 on the first joint member 42. The second locking member 45 cooperates with the tooth grooves 411 on the other side of the joint seat 41 and the tooth grooves 411 on the second joint member 43. A first elastic member 47 is provided between the first locking member 44 and the joint seat 41, and a second elastic member 48 is provided between the second locking member 45 and the joint seat 41.

[0032] When unlocking, the first locking piece 44 moves out of the tooth groove 411 on the first joint piece 42, and the second locking piece 45 moves out of the tooth groove 411 on the second joint piece 43; after the baby stroller seat is unfolded, the first elastic piece 47 pushes the first locking piece 44 to move so that it is simultaneously inserted into the tooth groove 411 on one side of the joint seat 41 and the tooth groove 411 on the first joint piece 42, and the second elastic piece 48 pushes the second locking piece 45 to move so that it is simultaneously inserted into the tooth groove 411 on the other side of the joint seat 41 and the tooth groove 411 on the second joint piece 43.

[0033] In this embodiment, the first unlocking member 461 is rotatably inserted between the first joint member 42 and the first locking member 44, and the first unlocking member 461 has a pushing portion 4611 opposite to the end surface of the first locking member 44. A pull rope 462 is provided in the backrest frame 10, and one end of the pull rope 462 is connected to the first unlocking member 461. The first unlocking member 461 has a first guide bevel 4612 on the side facing the first joint member 42, and the first joint member 42 has a second guide bevel 421 that contacts and cooperates with the first guide bevel 4612. When the pull rope 462 is pulled, the first unlocking member 461 can be pulled to rotate relative to the first joint member 42. The first guide bevel 4612 and the second guide bevel 421 cooperate to drive the first unlocking member 461 to move away from the first joint member 42, and then the pushing portion 4611 pushes the first locking member 44 to move and disengage from the tooth groove 411 on the first joint member 42. The lock between the first joint member 42 and the joint seat 41 is released, and the two can rotate relative to each other.

[0034] The backrest frame 10 is provided with a drive assembly 11, which is connected to the other end of the pull rope 462. By operating the drive assembly 11, the pull rope 462 can be pulled to move. The structure and working principle of the drive assembly 11 are already familiar to those skilled in the art and will not be described in detail here.

[0035] In this embodiment, the first joint component 42, the second joint component 43, the first unlocking member 461, and the second unlocking member 463 are all coaxially arranged, one end of the second unlocking member 463 is connected to the first joint component 42, and the other end of the second unlocking member 463 extends to pass through the first locking member 44 and the second locking member 45, and the other end of the second unlocking member 463 is provided with a mounting portion 4631, and the mounting portion 4631 has a third guide bevel 4632 on the side close to the joint seat, and the second locking member 45 has a fourth guide bevel 451 that contacts and cooperates with the third guide bevel 4632. After the lock between the first joint component 42 and the joint seat 41 is released, the backrest frame 10 and the first joint component 42 are rotated to drive the second unlocking member 463 to rotate synchronously. The contact and cooperation between the third guide bevel 4632 and the fourth guide bevel 451 can drive the second locking member 45 to move out of the tooth groove 411 on the second joint component 43, and the lock between the second joint component 43 and the joint seat 41 is released, and the second joint component 43 and the joint seat 41 can rotate relative to each other.

[0036] In this embodiment, the second unlocking member 463 has a first tooth portion 4633 at one end, and the first joint member 42 has a second tooth portion 422 that engages with the first tooth portion 4633. This structure coaxially connects the second unlocking member 463 to the first joint member 42. The two ends of the second unlocking member 463 respectively abut against the first joint member 42 and the second joint member 43 to limit their axial movement and prevent the first tooth portion 4633 and the second tooth portion 422 from disengaging.

[0037] In this embodiment, the second locking member 45 has a positioning tooth 452, and the second joint member 43 has a positioning slot 431. The width of this positioning slot 431 is greater than the width of the other tooth slots 411 on the second joint member 43, and the positioning tooth 452 is engaged and locked in the positioning slot 431. With this structure, when the baby stroller seat is unfolded, the second joint member 43 rotates until the positioning tooth 452 aligns with the positioning slot 431. The second elastic member 48 pushes the second locking member 45 to move to the tooth slot 411 on the other side of the joint seat 41 and the tooth slot 411 on the second joint member 43, thereby ensuring that the front armrest 30 is fixed at a fixed angle relative to the seat frame 20.

[0038] In some embodiments, the first unlocking member 461 can be rotated and inserted into the first locking member 44, a fifth guide bevel is provided on the side of the first locking member 44 facing away from the first joint member 42, a sixth guide bevel that cooperates with the fifth guide bevel is provided on the first unlocking member 461, and the first elastic member 47 is provided between the first locking member 44 and the first joint member 42. When the first unlocking member 461 is rotated by pulling the pull rope 462, the cooperation between the fifth guide bevel and the sixth guide bevel can push the first locking member 44 toward the first joint member 42 to disengage the tooth groove 411 on the joint seat, thereby achieving unlocking.

[0039] In some embodiments, the first locking member 44 and the second locking member 45 may also be configured as prismatic blocks, and correspondingly, prismatic grooves are provided on the joint seat 41 , the first joint member 42 and the second joint member 43 .

[0040] The present invention also provides a stroller, which includes the foldable baby stroller seat as described above and a frame with wheels installed. A connecting portion 21 for connecting to the frame is provided at the bottom of the seat frame 20, and the baby stroller seat is covered with a cloth surface assembly.

[0041] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A foldable baby stroller seat, characterized in that: It includes a backrest frame, a seat frame, a front armrest and a joint device, wherein the joint device includes: a joint seat, provided on the seat frame; A first joint member is pivotally mounted on a joint seat and is provided on the backrest frame; A second joint member is pivotally mounted on the joint seat and connected to the front armrest; a first locking member, inserted between the first joint member and the joint seat, for limiting the rotation of the first joint member relative to the joint seat; A second locking member is inserted into the second joint member and the joint seat, and is used to limit the rotation of the second joint member relative to the joint seat; A first unlocking member, capable of pushing the first locking member to unlock the first joint member and the joint seat; The second unlocking member can push the second locking member to move into the joint seat to unlock the second joint member and the joint seat.

2. A foldable baby stroller seat according to claim 1, characterized in that: The first locking member and the second locking member are both configured as gear members, and both sides of the joint seat, the first joint member and the second joint member are provided with tooth grooves. The first locking member is inserted into the tooth groove on one side of the joint seat and the tooth groove on the first joint member, and the second locking member is inserted into the tooth groove on the other side of the joint seat and the tooth groove on the second joint member.

3. A foldable baby stroller seat according to claim 1 or 2, characterized in that: A first elastic member is provided between the first locking member and the joint seat, and a second elastic member is provided between the second locking member and the joint seat.

4. A foldable baby stroller seat according to claim 3, characterized in that: The first unlocking member is rotatably inserted between the first joint member and the first locking member, and the first unlocking member has a pushing portion opposite to the end surface of the first locking member. A pull rope is provided in the backrest frame, and one end of the pull rope is connected to the first unlocking member. The first unlocking member has a first guide inclined surface on a side facing the first joint member, and the first joint member has a second guide inclined surface in contact with the first guide inclined surface. When the pull rope is pulled, the first unlocking component can be pulled to rotate relative to the first joint component.

5. A foldable baby stroller seat according to claim 4, characterized in that: One end of the second unlocking member is connected to the first joint member, and the other end extends to pass through the first locking member and the second locking member, and is provided with a mounting portion. The mounting portion has a third guide bevel on the side close to the joint seat, and the second locking member has a fourth guide bevel that contacts and cooperates with the third guide bevel.

6. The foldable baby stroller seat according to claim 5, characterized in that: One end of the second unlocking member has a first tooth portion, and the first joint member has a second tooth portion engaged with the first tooth portion.

7. The foldable baby stroller seat according to claim 4, characterized in that: The backrest frame is provided with a driving assembly, and the driving assembly is connected to the other end of the pull rope.

8. The foldable baby stroller seat according to claim 2, characterized in that: One of the second locking component and the second joint component has a positioning tooth, and the other one of the second locking component and the second joint component has a positioning groove, wherein the positioning tooth is engaged and locked in the positioning groove.

9. A cart, characterized in that The invention comprises a foldable baby stroller seat according to any one of claims 1 to 8.

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