The disclosure relates to a frame folding (retracting) and fixing device and a baby carrier including the frame folding and fixing device.
The baby carrier can alleviate the fatigue caused by holding the baby for a long time, and improve the comfort of people's life. The main structure of the baby carrier usually includes a handle (grip) portion and a front leg portion. For conveniently storing and carrying the baby carrier when not in use temporarily, usually the handle portion and the front leg portion may be folded up relative to each other so as to reduce the occupied volume of the baby carrier.
Specifically, referring to
In order to lock the folded state of the baby carrier and prevent it from being opened (unfolded) undesirably, according to the related art shown in
However, the above-mentioned frame folding and fixing hook 40′ in the related art has following problems. The frame folding and fixing hook 40′ exposed to the outside of the frame has poor aesthetics, and needs to be manufactured separately and then connected to the baby carrier, thereby increasing the manufacture processes and production cost. In addition, when the baby carrier is in the unfolded state, the exposed frame folding and fixing hook 40′ naturally hangs down on the handle 10′ or the front leg 20′, so that it is very easy to accidentally injure the user and reduce the use safety of the baby carrier.
In view of the above, an objective of the disclosure is to provide a frame folding and fixing device and a baby carrier including the frame folding and fixing device, and specifically, to provide such a frame folding and fixing device which can overall improve the aesthetics and use safety of the baby carrier, and can effectively reduce the technological processes and production cost.
Thus, according to an aspect of the disclosure, there is provided a frame folding and fixing device, including a first locking device on a front leg of a frame and a second locking device on a handle of the frame. When the front leg of the frame is folded relative to the handle of the frame, the first locking device and the second locking device are rotated towards each other and locked; when the front leg of the frame is unfolded relative to the handle of the frame, the first locking device and the second locking device are rotated away from each other and unlocked.
In an embodiment, the first locking device includes a base and a boss, and the boss is disposed on the base and at a side of the base.
In an embodiment, the second locking device includes an arc rib and a locking projection, and the arc rib is fitted on the base and can slides on the base.
In an embodiment, when the front leg of the frame is folded relative to the handle of the frame, the arc rib slides on the base, and the locking projection and the boss can be locked; when the front leg of the frame is unfolded relative to the handle of the frame, the arc rib slides on the base in reverse, and the locking projection can be unlocked with the boss.
In an embodiment, the arc rib extends an arc length corresponding to a specific angle by which the handle needs to rotate relative to the front leg when being fully folded up.
In an embodiment, the first locking device includes a boss and a stopper, and the boss and the stopper are disposed opposite to each other.
In an embodiment, the second locking device includes an arc groove and a locking projection, the locking projection is disposed in the arc groove and protrudes toward the interior of the arc groove, and the boss and the stopper are fitted in the arc groove.
In an embodiment, when the front leg of the frame is folded relative to the handle of the frame, the boss and the stopper slide in the arc groove, and the locking projection is locked with the boss; when the front leg of the frame is unfolded relative to the handle of the frame, the boss and the stopper slide in the arc groove in reverse, and the locking projection is unlocked with the boss.
In an embodiment, the arc groove extends an arc length corresponding to a specific angle by which the handle needs to rotate relative to the front leg when being fully folded up.
According to another aspect of the disclosure, there is provided a baby carrier, including a handle, a front leg, a joint between the handle and the front leg, and the above-mentioned frame folding and fixing device, and the frame folding and fixing device is arranged at the joint.
In an embodiment, the handle is provided with a handle fastener, and the front leg is provided with a front leg fastener.
In an embodiment, the joint includes a first housing, a second housing, and a close cover for covering the first housing and the second housing. The front leg fastener is connected with the first housing, and the first locking device is disposed on the first housing; the handle fastener is connected with the second housing, and the second locking device is disposed on the second housing.
In an embodiment, the baby carrier further includes a frame unfolding and locking member and an resilient member arranged in the joint.
According to the frame folding and fixing device and the baby carrier including the frame folding and fixing device of the disclosure, the frame folding and fixing device is hidden in the joint of the baby carrier, so as to improve the overall aesthetics and use safety of the baby carrier. In addition, the frame folding and fixing device according to the disclosure has a simple structure, and does not need to be separately manufactured and then be connected, so that the technological processes and production cost can be effectively reduced. Further, the frame folding and fixing device according to the disclosure is more convenient to operate.
The accompanying drawings are included herein to provide a further understanding of the disclosure, and are incorporated into this specification to constitute a part of this specification. The accompanying drawings illustrating embodiments of the disclosure are used together with the following description to explain the concept of the disclosure.
In the drawings:
Hereinafter, exemplary embodiments will be described in detail with reference to the accompanying drawings. Although the disclosure is susceptible to various modifications and alternative forms, its specific embodiments are shown by way of example in the accompanying drawings. However, the disclosure should not be construed as being limited to the embodiments set forth herein, and instead, the disclosure will cover all modifications, equivalents, and alternatives falling within the spirit and scope of the embodiments.
The frame folding and fixing device of the disclosure may be used in combination with various forms of baby carriers, for example baby strollers, children's tricycles, children's bicycles, children's balance vehicles, fan handle vehicles, etc., to lock folded states of various baby carriers. For the convenience of description, the following detailed description mainly refers to an example of the baby carrier in the form of the baby stroller.
The following is a detailed description of the frame folding and fixing device 40 and the baby carrier 1 including the frame folding and fixing device 40 according to the disclosure with reference to the accompanying drawings.
Next, referring to
Hereafter, the specific actions of the first locking device 42 and the second locking device 44 during the front leg 20 is folded relative to the handle 10 will be described in detail with reference to
When the handle 10 is in the unfolded state relative to the front leg 20, referring to
The handle 10 needs to rotate a specific angle when the handle is fully folded relative to the front leg 20. In an embodiment, the handle needs to rotate about 90-180 degrees, preferably about 100-120 degrees, and more preferably about 103-110. Thus, according to the preferred embodiment shown in this figure, the arc rib 441 extends an arc length corresponding to the specific angle, which the handle 10 needs to rotate relative to the front leg 20 when being fully folded up, to meet the travel distance of the handle 10 relative to the front leg 20 during being fully folded up. For example, the arc length of the arc rib may be in the range of about one-quarter to about one-half of the circumference length.
Next, referring to
The first locking device 42 of the frame folding and fixing device 40 includes a boss 422 and a stopper 423, and the boss 422 and the stopper 423 are disposed opposite to each other. The second locking device 44 of the frame folding and fixing device 40 includes a locking projection 442 and an arc groove 443. The locking projection 442 is disposed in the arc groove 443 and protrudes towards the interior of the arc groove 443. The boss 422 and the stopper 423 of the above mentioned first locking device 42 are also fitted in the arc groove 443. Based on the above structure, in the unlocked state as shown in
Likewise, the arc length of the arc groove 443 also corresponds to the specific angle, which the handle 10 needs to rotate relative to the front leg 20 when being fully folded up, to meet the travel distance of the handle 10 relative to the front leg 20 during the fully folding process.
The frame folding and fixing device 40 according to the disclosure is hidden in the joint 30, which increases the overall aesthetics of the baby carrier 1. The hidden frame folding and fixing device 40 avoids the security risks caused by the exposed arrangement of the frame folding and fixing hook in the related art, and greatly improve the use safety of the baby carrier. The frame folding and fixing device 40 according to the disclosure is simple in structure, does not need additional processing steps and assembly processes, and thereby may reduce the production cost. Further, the frame folding and fixing device 40 according to the disclosure also has the beneficial effect of being easy to operate.
Since the features of the disclosure can be embodied in various forms without departing from the characteristics of the disclosure, it should also be understood that the above-mentioned embodiments are not limited to any details described above, unless otherwise noted, and should be broadly interpreted as falling within the scope defined by the appended claims. Therefore, all modifications and alterations falling within the scope and limit of the claims or equivalent solutions of such scope and limit shall be covered by the appended claims.
Number | Date | Country | Kind |
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2021 10880960.1 | Aug 2021 | CN | national |
Filing Document | Filing Date | Country | Kind |
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PCT/EP2022/071584 | 8/1/2022 | WO |