Seat bidirectional folding structure and infant carrier thereof
阅读说明:本技术 座位双向可收折结构及其婴幼儿载具 (Seat bidirectional folding structure and infant carrier thereof ) 是由 曾华洋 于 2019-10-30 设计创作,主要内容包括:本发明提供的座位双向可收折结构适用于婴幼儿载具,其包括前脚关节、后脚关节及座位支撑关节,前脚关节和后脚关节沿一转动轴线可转动连接,座位支撑关节可相对前脚关节和后脚关节转动,座位支撑关节向两侧凸伸分别形成第一支撑臂和第二支撑臂;前脚关节朝向前脚架的一侧设置有第一支撑部,后脚关节朝向后脚架的一侧有第二支撑部;当婴幼儿载具处于收折状态时,座位支撑关节可相对前脚关节和后脚关节前向转动以实现前向收折、或后向转动以实现后向收折;当婴幼儿载具处于张开状态时,第一支撑臂抵接于第一支撑部、第二支撑臂抵接于第二支撑部,以定位座位支撑关节。本发明还提供了一种具有前述座位双向可收折结构的婴幼儿载具。(The seat bidirectional foldable structure provided by the invention is suitable for infant carriers and comprises a front foot joint, a rear foot joint and a seat supporting joint, wherein the front foot joint and the rear foot joint are rotatably connected along a rotating axis; a first supporting part is arranged on one side of the front foot joint facing the front foot rest, and a second supporting part is arranged on one side of the rear foot joint facing the rear foot rest; when the infant carrier is in a folding state, the seat supporting joint can rotate forwards relative to the front foot joint and the rear foot joint to realize forward folding or rotate backwards to realize backward folding; when the infant carrier is in an open state, the first support arm abuts against the first support part, and the second support arm abuts against the second support part so as to position the seat support joint. The invention also provides an infant carrier with the seat bidirectional folding structure.)
1. A seat bidirectional folding structure is suitable for an infant carrier, the infant carrier comprises a front foot joint arranged at the upper end of a front foot rest, a rear foot joint arranged at the upper end of a rear foot rest and a seat supporting joint used for supporting a bearing part, the front foot joint and the rear foot joint are rotatably connected along a rotating axis, and the infant carrier is characterized in that: the seat supporting joint can rotate relative to the front foot joint and the rear foot joint, and the seat supporting joint protrudes towards two sides to respectively form a first supporting arm and a second supporting arm; a first supporting part is arranged on one side, facing the front foot rest, of the front foot joint in the direction parallel to the rotation axis, and a second supporting part is arranged on one side, facing the rear foot rest, of the rear foot joint in the direction parallel to the rotation axis; when the front foot joint and the rear foot joint rotate to the infant carrier in a folding state, the first supporting part and the second supporting part are close to each other, and the seat supporting joint can rotate forwards relative to the front foot joint and the rear foot joint to realize forward folding or rotate backwards to realize backward folding; when the front foot joint and the rear foot joint rotate to the state that the infant carrier is in an open state, the first supporting part and the second supporting part are far away, and the first supporting arm abuts against the first supporting part and the second supporting arm abuts against the second supporting part so as to position the seat supporting joint.
2. The bi-directional seat stowable structure according to claim 1, wherein: the front foot joint is provided with a first sliding groove, the rear foot joint is provided with a second sliding groove, and the first sliding groove and the second sliding groove are provided with an overlapping area in a plane perpendicular to the rotation axis; one side of the seat supporting joint, which faces the front foot joint and the rear foot joint, is fixedly connected with a connecting pin, and the connecting pin is inserted into the first sliding groove and the second sliding groove so as to realize the rotatable connection of the seat supporting joint with the front foot joint and the rear foot joint.
3. The bi-directional seat stowable structure according to claim 2, wherein: the first sliding chute and the second sliding chute are both arc-shaped with the rotating axis as the center; when the front foot joint and the rear foot joint rotate to the state that the infant carrier is in an open state, the overlapping area of the first sliding groove and the second sliding groove is reduced, and the connecting pin is limited by the first sliding groove and the second sliding groove; when the front foot joint and the rear foot joint rotate to the state that the infant carrier is folded, the overlapping area of the first sliding groove and the second sliding groove is enlarged, and the connecting pin can slide in the overlapping area.
4. The bi-directional seat stowable structure according to claim 3, wherein: the cross section of the connecting pin is in a non-perfect circle shape, and the width of a partial area of the cross section of the connecting pin is larger than that of the first sliding groove or the second sliding groove.
5. The bi-directional seat stowable structure according to claim 2, wherein: the first sliding groove and the second sliding groove are linear; the diameter of the cross section of the connecting pin is smaller than or equal to the width of the first sliding groove and the second sliding groove.
6. The bi-directional seat stowable structure according to claim 1, wherein: the first supporting part and the second supporting part are respectively sleeved with shaft sleeves at the positions where the first supporting arm and the second supporting arm are clamped.
7. An infant carrier comprises a front foot rest, a rear foot rest and a bearing part, wherein a front foot joint is arranged at the upper end of the front foot rest, a rear foot joint is arranged at the upper end of the rear foot rest, and the front foot joint and the rear foot joint are rotatably connected along a rotating axis; the bearing part is installed forwards or backwards through a seat supporting joint; the method is characterized in that: the infant carrier further comprising seat bi-directional collapsible structures as recited in any of claims 1-6 symmetrically disposed on left and right sides of the infant carrier.
8. The infant carrier of claim 7, further comprising an armrest frame, wherein a lower end of the armrest frame is provided with an upper joint, the front foot joint, the rear foot joint and the upper joint are rotatably connected along a rotation axis, one of the front foot joint, the rear foot joint and the upper joint is provided with a detent, and the other two of the front foot joint, the rear foot joint and the upper joint are respectively provided with a detent groove; when the front foot joint, the rear foot joint and the upper joint rotate to the infant carrier in the opening state, the clamping pin moves into the clamping groove, so that the infant carrier keeps the opening state.
9. The infant carrier of claim 6, wherein the carrier includes a seat portion and a backrest portion, the backrest portion and the seat portion being rotatably connected, the seat portion being provided with at least two backrest angle adjusting notches along an arc direction centered on rotational axes of the backrest portion and the seat portion, the backrest portion being provided with an adjusting detent moving in a direction toward the rotational axes of the backrest portion and the seat portion; the adjusting bayonet lock can be selectively clamped into any one of the back rest angle adjusting bayonet locks to adjust the inclination angle of the back rest part, or withdrawn from the back rest angle adjusting bayonet lock so that the back rest part can rotate relative to the seat part to fold the bearing part.
10. The infant carrier of claim 9, wherein the adjustment detent constantly has a tendency to snap into the back angle adjustment detent; the bearing part also comprises a backrest adjusting handle which is arranged on one side of the backrest part far away from the seat part, and the backrest adjusting handle is connected with the adjusting bayonet lock through a rigid traction rope; the backrest adjusting handle is operated to drive the adjusting bayonet lock to withdraw from the backrest angle adjusting clamping groove, so that the backrest part and the seat part can rotate relatively to realize folding.
Technical Field
The present invention relates to an infant article, and more particularly to an infant carrier and a seat thereof with a bidirectional foldable structure.
Background
In the infant carrier in the current market, such as an infant stroller, the carrying portion and the frame are detachable, and the carrying portion can be mounted on the frame in a front-back two-way manner. When the bearing part is installed in the front direction, the infants in the bearing part can see the scenery in the front direction; when the bearing part is installed backwards, the baby in the bearing part can see the caretaker of the cart and the caretaker can also conveniently check the condition of the baby.
Most of the existing infant carriers have a folding function, but for the carrying part which is installed in two directions, the carrying part can be folded only when being installed in the forward direction, and the carrying part cannot be folded in two directions.
Therefore, there is a need to improve the folding structure of the current infant carrier to realize the bidirectional folding of the seat of the infant carrier, and at the same time, the folded infant carrier can stand, has a small volume after folding, and is convenient to carry and store.
Disclosure of Invention
The invention aims to provide a seat bidirectional folding structure to realize bidirectional folding of an infant carrier.
Another object of the present invention is to provide a baby carrier that can be folded in two directions on a seat, and the folded baby carrier can stand up, has a small size after being folded, and is convenient to carry and store.
In order to achieve the above object, the present invention provides a seat bidirectional foldable structure, which is suitable for an infant carrier, the infant carrier includes a front foot joint disposed at an upper end of a front foot rest, a rear foot joint disposed at an upper end of a rear foot rest, and a seat support joint for supporting a bearing portion, the front foot joint and the rear foot joint are rotatably connected along a rotation axis, the seat support joint can rotate relative to the front foot joint and the rear foot joint, and the seat support joint protrudes towards two sides to respectively form a first support arm and a second support arm; a first supporting part is arranged on one side, facing the front foot rest, of the front foot joint in the direction parallel to the rotation axis, and a second supporting part is arranged on one side, facing the rear foot rest, of the rear foot joint in the direction parallel to the rotation axis; when the front foot joint and the rear foot joint rotate to the infant carrier in a folding state, the first supporting part and the second supporting part are close to each other, and the seat supporting joint can rotate forwards relative to the front foot joint and the rear foot joint to realize forward folding or rotate backwards to realize backward folding; when the front foot joint and the rear foot joint rotate to the state that the infant carrier is in an open state, the first supporting part and the second supporting part are far away, and the first supporting arm abuts against the first supporting part and the second supporting arm abuts against the second supporting part so as to position the seat supporting joint.
Compared with the prior art, the seat bidirectional folding structure provided by the invention has the advantages that the seat supporting joint can rotate relative to the front foot joint and the rear foot joint, the first supporting part is arranged on one side, close to the front foot frame, of the front foot joint, the second supporting part is arranged on one side, close to the rear foot frame, of the rear foot joint, and the seat supporting joint protrudes towards two sides to form the first supporting arm and the second supporting arm respectively. According to the seat bidirectional folding structure provided by the invention, the position of the bearing part is not limited when the infant carrier is folded, and the bearing part can be conveniently folded no matter the bearing part is in the forward direction or the backward direction.
Preferably, the front foot joint is provided with a first sliding chute, the rear foot joint is provided with a second sliding chute, and the first sliding chute and the second sliding chute are provided with an overlapping area in a plane perpendicular to the rotation axis; one side of the seat supporting joint, which faces the front foot joint and the rear foot joint, is fixedly connected with a connecting pin, and the connecting pin is inserted into the first sliding groove and the second sliding groove so as to realize the rotatable connection of the seat supporting joint with the front foot joint and the rear foot joint. In the preferred embodiment, the overlapping area of the first sliding groove and the second sliding groove changes along with the rotation of the front foot joint and the rear foot joint, and the connecting pins inserted in the first sliding groove and the second sliding groove lock or unlock the relative rotation of the front foot joint and the rear foot joint while realizing the connection of the seat supporting joint with the front foot joint and the rear foot joint.
In an embodiment, the first sliding chute and the second sliding chute are both arc-shaped with the rotation axis as a center; when the front foot joint and the rear foot joint rotate to the state that the infant carrier is in an open state, the overlapping area of the first sliding groove and the second sliding groove is reduced, and the connecting pin is limited by the first sliding groove and the second sliding groove; when the front foot joint and the rear foot joint rotate to the state that the infant carrier is folded, the overlapping area of the first sliding groove and the second sliding groove is enlarged, and the connecting pin can slide in the overlapping area; in this embodiment, when the infant carrier is in the folded state, the position of the seat supporting joint is changed along with the sliding of the connecting pin in the first sliding groove and the second sliding groove, so as to facilitate folding.
Further, the cross section of the connecting pin is in a non-perfect circle shape, and the width of a partial area of the cross section of the connecting pin is larger than the width of the first sliding groove or the second sliding groove; according to the structure, the connecting pin cannot rotate relative to the first sliding groove and the second sliding groove, the connecting pin can only slide in the overlapping area when the front foot joint and the rear foot joint rotate to the infant carrier is in the folding state and the overlapping area of the first sliding groove and the second sliding groove is increased, so that the seat supporting joint can rotate forwards and backwards to realize folding, and when the front foot joint and the rear foot joint rotate to the infant carrier is in the opening state, the overlapping area of the first sliding groove and the second sliding groove is reduced, the connecting pin is limited by the first sliding groove and the second sliding groove, and the connecting pin can play a role in auxiliary limiting on the seat supporting joint.
In another embodiment, the first and second chutes are linear; the diameter of the cross section of the connecting pin is smaller than the width of the first sliding groove and the second sliding groove; the connecting pin can rotate in the first sliding groove and the second sliding groove, and the seat supporting joint cannot be limited even if the infant carrier is in an open state.
Preferably, the first supporting portion and the second supporting portion are respectively sleeved with shaft sleeves at positions clamped with the first supporting arm and the second supporting arm.
In order to achieve the above object, the present invention further provides an infant carrier, including a front foot rest, a rear foot rest and a carrying portion, wherein a front foot joint is disposed at an upper end of the front foot rest, a rear foot joint is disposed at an upper end of the rear foot rest, and the front foot joint and the rear foot joint are rotatably connected along a rotation axis; the bearing part is installed forwards or backwards through a seat supporting joint; the infant carrier further comprises the seat bidirectional foldable structure, and the seat bidirectional foldable structure is symmetrically arranged on the left side and the right side of the infant carrier.
Compared with the prior art, the infant carrier provided by the invention has the seat bidirectional folding structure, so that the front and back bidirectional folding of the bearing part can be realized, and the infant carrier is convenient for a user to use.
Preferably, the infant carrier further comprises an armrest frame, wherein an upper joint is arranged at the lower end of the armrest frame, the front foot joint, the rear foot joint and the upper joint are rotatably connected along a rotating axis, one of the front foot joint, the rear foot joint and the upper joint is provided with a bayonet lock, and the rest two of the front foot joint, the rear foot joint and the upper joint are respectively provided with a clamping groove; when the front foot joint, the rear foot joint and the upper joint rotate to the infant carrier in the opening state, the clamping pin moves into the clamping groove, so that the infant carrier keeps the opening state.
Specifically, the bearing part comprises a seat part and a back rest part, the back rest part and the seat part are rotatably connected, the seat part is provided with at least two back rest angle adjusting clamping grooves along an arc direction taking the rotation axes of the back rest part and the seat part as a center, and the back rest part is provided with an adjusting clamping pin moving towards the rotation axes of the back rest part and the seat part; the adjusting bayonet lock can be selectively clamped into any one of the back rest angle adjusting bayonet locks to adjust the inclination angle of the back rest part, or withdrawn from the back rest angle adjusting bayonet lock so that the back rest part can rotate relative to the seat part to fold the bearing part.
Furthermore, the adjusting bayonet lock has the action trend of being clamped into the backrest angle adjusting bayonet lock; the bearing part also comprises a backrest adjusting handle which is arranged on one side of the backrest part far away from the seat part, and the backrest adjusting handle is connected with the adjusting bayonet lock through a rigid traction rope; the backrest adjusting handle is operated to drive the adjusting bayonet lock to withdraw from the backrest angle adjusting clamping groove, so that the backrest part and the seat part can rotate relatively to realize folding.
Drawings
Fig. 1 is a schematic structural view of an infant carrier according to the present invention.
Fig. 2 is a schematic view of a separated structure of a frame and a carrying portion of the infant carrier of the present invention.
Fig. 3 is an exploded view of the bi-directional collapsible structure of the seat of the present invention.
Figure 4a is a schematic view of the forefoot and hindfoot joints in an open position.
Fig. 4b is a schematic view of the forefoot joint and the hindfoot joint in a collapsed state.
FIG. 5 is a schematic view of the seat support joint of the present invention shown folded in a forward direction in a bi-directional foldable configuration.
FIG. 6 is a schematic view of the seat support joint of the present invention shown folded in a backward direction with the bi-directional foldable structure.
Figure 7a is a schematic view of the forefoot and hindfoot joints in another embodiment in an expanded state.
Fig. 7b is a schematic view of the front and rear foot joints in a collapsed state and the seat support joint in a forward collapsed state according to another embodiment.
Fig. 7c is a schematic view of the front and rear foot joints in a collapsed state and the seat support joint in a collapsed state according to another embodiment.
Fig. 8 is a schematic structural view of the carrying part.
Fig. 9 is an enlarged view of a portion a in fig. 8.
Fig. 10-12 are schematic views illustrating a folding process of the infant carrier seat portion of the present invention during forward mounting.
Fig. 13-15 are schematic views illustrating a folding process of the infant carrier seat portion of the present invention when mounted backward.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
As shown in fig. 1, the present invention provides an infant carrier, which comprises a
The infant carrier provided by the invention can be a high-leg chair for children, an infant stroller and the like. The infant carrier shown in fig. 1 is illustratively an infant stroller. Specifically, as shown in fig. 1, the infant carrier includes a frame and a carrying
Further, as shown in fig. 1 to fig. 3, the
Preferably, in order to fold the infant carrier orderly, a one-way limiting structure may be further disposed between the
Referring to fig. 1 and 2, in the frame of the infant carrier, the
In order to fold the
preferably, as shown in fig. 3-6, the forefoot joint 110 and the rearfoot joint 210 are rotatably coupled along a rotational axis; the front leg joint 110 has a first sliding
In one embodiment shown in fig. 4a and 4 b: the
Further, as shown in fig. 4a to 6, the cross section of the connecting
In another embodiment shown in fig. 7 a-7 c: the
In other embodiments different from the two embodiments, the first sliding
As shown in fig. 2, 6 and 7: a
It will be appreciated that the
Specifically, as shown in fig. 2 and 3, in the present embodiment, the first supporting
Further, as shown in fig. 2 and 3, the first supporting
The infant carrier provided by the invention can be conveniently folded in a forward or backward mounting state of the
Specifically, as shown in fig. 8 and 9, the
Specifically, as shown in fig. 8, the adjusting
Compared with the prior art, the seat bidirectional folding structure provided by the invention has the advantages that the seat supporting joint 310 can rotate relative to the front foot joint 110 and the rear foot joint 210, the first supporting
The above disclosure 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, therefore, the present invention is not limited by the appended claims.
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