Supporting and folding structure and baby care equipment

Abstract

The invention discloses a supporting and folding structure which comprises a base, a rotating part, a plurality of supporting legs and a locking and unlocking mechanism, every two supporting legs form a group and are arranged at intervals, each supporting leg comprises a connecting end and a supporting end, the supporting ends are used for being supported on the ground, the rotating part is pivoted to the base, and the connecting ends of every two supporting legs in one group are pivoted to the rotating part; comprising a using state and a folding state, and the locking mechanism at least locks the supporting legs in the using state; in the two supporting legs in one group, the distance between the outer side edges of the two supporting ends is increased when the supporting legs are used, and the distance between the outer side edges of the two supporting ends is reduced when the supporting legs are folded, so that the occupied space is small after the supporting legs are folded on the premise of ensuring stable supporting and high safety when the supporting legs are used. The invention further discloses baby care equipment applying the supporting and folding structure.

Description

Technical Field

[0001] This invention relates to the field of infant and child products technology, and in particular to a support folding structure and an infant care device. Background Technology

[0002] Existing infant care equipment, such as infant rockers, requires that the distance between the support ends of multiple support legs be made as large as possible in order to make the support legs more stable when they are supported on the ground. For example, the support legs can be made to tilt outwards to meet safety test requirements.

[0003] With technological advancements and market demands, some designers have incorporated folding functionality to minimize space usage when not in use and facilitate storage and portability. However, in existing technologies, the distance between the support ends of the two relatively spaced support legs remains unchanged after folding, resulting in a relatively large space requirement. If the distance between the support ends is made larger to ensure stability during use, the folded space remains substantial; conversely, a smaller distance makes it difficult to meet safety testing requirements.

[0004] Therefore, it is necessary to propose a new folding scheme for the support legs. Summary of the Invention

[0005] In order to overcome at least one of the defects of the prior art, the present invention provides a support folding structure to control the distance between the support ends of two support legs arranged at relative intervals, so that the distance increases when in use and decreases when folded, thereby ensuring stable support and high safety when in use, while also making the space occupied after folding smaller.

[0006] The technical solution adopted by this invention to solve its problem is:

[0007] A folding support structure is used in infant care equipment, comprising: a base, a rotating component, and several supporting legs, with two supporting legs arranged in a group and spaced apart. Each supporting leg includes a connecting end and a supporting end, the supporting end being used to support the ground. The rotating component is pivotally connected to the base, and the connecting ends of the two supporting legs arranged in a group are respectively pivotally connected to the rotating component.

[0008] Including the use state and the folded state, in the use state, the support legs are unfolded so that the support ends of the support legs are supported on the ground, and the distance between the outer edges of the support ends of the two support legs in a pair is L1; in the folded state, the rotating part rotates relative to the base, and the two support legs in a pair retract upward relative to the base as the rotating part rotates, and the support legs can rotate relative to the rotating part or relative to the base, so that the distance between the outer edges of the support ends of the two support legs in a pair is L2, where L2 is less than L1;

[0009] It also includes a locking and unlocking mechanism, which is located between the rotating part and the base or between the rotating part and the support leg. The locking mechanism at least locks the support leg in the use state.

[0010] Furthermore, it also includes a first linkage mechanism, which is disposed between the rotating member and the support foot or between the support foot and the base. Through the first linkage mechanism, when the two support feet that form a pair expand downward or retract upward relative to the base as the rotating member rotates, the distance between the outer edges of the support ends of the two support feet that form a pair changes synchronously.

[0011] Furthermore, the first linkage mechanism includes a universal joint and a limiting member. The universal joint is connected between the connecting end of the support foot and the rotating member to realize the pivot connection between the support foot and the rotating member and to realize the transmission of torque. In the use state, the limiting member restricts the support foot from supporting the ground, so that the support foot supports the base.

[0012] Furthermore, the limiting member is fixed to the base, and the connecting end of the support leg is also pivotally connected to the limiting member. The limiting member enables the support leg to rotate relative to the base. The pivot axis between the support leg and the limiting member is arranged at an angle to the arrangement direction of the two support legs in a group. When the two support legs in a group rotate downward relative to the base as the rotating member rotates, the two support legs in a group expand outward relative to each other, increasing the distance between the outer edges of the supporting ends of the two support legs in a group, and are used to support the ground. When the two support legs in a group rotate upward relative to the base as the rotating member rotates, the two support legs in a group close together relative to each other, decreasing the distance between the outer edges of the supporting ends of the two support legs in a group.

[0013] Furthermore, the support foot includes a rod and a connector. The connector is fixed to one end of the rod and is used as a connection end. The other end of the rod is provided with a support end or is used as a support end. The connector is connected to a universal joint and to a limiting member. In the use state, the extension direction of the rod is inclined downward and biased outward. In the folded state, the extension direction of the rod is vertically upward.

[0014] Furthermore, one end of the connector is fixed to the rod body, the other end of the connector passes through the limiting member and rotates relative to the limiting member, and the other end of the connector is also connected to the universal joint.

[0015] Furthermore, the connecting end of the support foot and the rotating part are pivotally connected through the first rotating shaft. The axis of the first rotating shaft forms an angle with the arrangement direction of the two support feet that form a pair. When the rotating part rotates relative to the base, the support foot rotates up and down with the rotating part relative to the base. When the two support feet that form a pair rotate relative to the rotating part, the distance between the outer edges of the support ends of the two support feet that form a pair increases or decreases.

[0016] When in use, the support legs rotate downward relative to the base as the rotating component rotates, and the support legs also rotate outward relative to the rotating component to open, so that the support ends of the two support legs in a pair can be unfolded to support the ground, thereby increasing the distance between the outer edges of the support ends of the two support legs in a pair.

[0017] When folded, the support feet rotate upward relative to the base as the rotating component rotates, and the support feet also rotate inward relative to the rotating component to fold in or rotate towards the rotating component to fit together, thereby reducing the distance between the outer edges of the support ends of the two support feet that form a pair.

[0018] Furthermore, the two supporting legs that form a pair are pivotally connected to the two ends of the rotating part. When in use, the two supporting legs that form a pair expand outward in a V-shape, and the extension direction of the supporting legs is inclined downward and biased outward; when in the folded state, the extension direction of the supporting legs is vertically upward.

[0019] Furthermore, one end of the rotating component is pivotally connected to the base, and two opposite sides of the other end of the rotating component are pivotally connected to a support foot. In the use state, the support foot rotates outward relative to the rotating component to open, so that the support end of the support foot is on the outside of the rotating component; in the folded state, the support foot rotates towards the rotating component to fit against it or rotates to the inside of the rotating component.

[0020] Furthermore, the locking and unlocking mechanism includes a first locking part for locking or unlocking the rotating member and a second locking part for locking or unlocking the support foot. The first locking part is disposed between the rotating member and the base, and the second locking part is disposed between the rotating member and the support foot.

[0021] Furthermore, the second locking part includes a second locking block, a second stop block, a third elastic reset member, and a fourth elastic reset member. The second locking block is slidably disposed on the support foot, and the second stop block is slidably disposed on the second locking block. One end of the third elastic reset member is connected to the support foot, and the other end of the third elastic reset member is connected to the second locking block. One end of the fourth elastic reset member is connected to the second locking block, and the other end of the fourth elastic reset member is connected to the second stop block. A second pin hole is provided on the connecting member, and a second pin is provided on the second locking block to cooperate with the second pin hole. The third elastic reset member provides elastic force to keep the second pin inserted into the second pin hole. A limiting groove is provided on the support foot to cooperate with the second stop block. When the second pin is inserted into the second pin hole, the second stop block pops out under the action of the fourth elastic reset member and inserts into the limiting groove. The second stop block can abut against the side wall of the limiting groove to prevent the second locking block from being moved, so that the second pin remains inserted into the second pin hole.

[0022] Furthermore, there are four support feet, which are arranged in pairs. The two groups of support feet are arranged opposite each other. There are two rotating parts, which correspond to the two groups of support feet respectively. The two rotating parts are arranged at intervals. In the use state, the two groups of support feet are separated and unfolded relative to each other under the action of the two rotating parts. In the folded state, the two groups of support feet are folded and close together relative to each other under the action of the two rotating parts.

[0023] Furthermore, a second linkage mechanism is provided between the two rotating parts to enable the two rotating parts to rotate simultaneously relative to the base.

[0024] Furthermore, the second linkage mechanism includes two gears respectively mounted on the two rotating parts, which mesh with each other, causing the two rotating parts to rotate simultaneously relative to the base.

[0025] Furthermore, the locking and unlocking mechanism includes a first locking part for locking or unlocking the rotating member. The first locking part is disposed between the rotating member and the base. The first locking part includes a first slider and a first locking block. The first slider is slidably disposed on the base along a first direction, and the first locking block is slidably disposed on the base along a second direction. The first slider and the first locking block are connected, and the first direction and the second direction intersect. A first pin hole is provided on the gear, and a first pin is provided on the first locking block to cooperate with the first pin hole. Moving the first slider causes the first slider to drive the first locking block to slide, thereby causing the first pin to insert into the first pin hole to form a lock or disengage from the first pin hole to form an unlock.

[0026] Furthermore, at least two first pin holes are provided, with the two first pin holes corresponding to the folded position and the unfolded support position of the support foot, respectively.

[0027] Furthermore, a first elastic reset member is provided between the first locking block and the base. The first elastic reset member provides elastic force to keep the first pin inserted into the first pin hole. The base includes a housing and a seat body. The housing is connected to and covers the seat body. The rotating member, the first slider, and the first locking block are all provided on the seat body. The housing is provided with a first through groove. A part of the first slider extends out of the first through groove. The first slider is provided with a first stop and a second elastic reset member. The first stop is movably disposed on the first slider. The two ends of the second elastic reset member are respectively connected to the first slider and the first stop. When the first pin is inserted into the first pin hole, the first stop pops out under the action of the second elastic reset member and is located outside the first through groove. The first stop can abut against the housing to prevent the first slider from being moved, so that the first pin is kept inserted into the first pin hole.

[0028] Based on the same inventive concept, the present invention also discloses an infant care device that uses the support folding structure described above. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the infant care device in use according to Embodiment 1 of the present invention;

[0030] Figure 2 This is a structural example diagram of the infant care device of Embodiment 1 of the present invention in a folded state;

[0031] Figure 3 for Figure 1 The front view of the infant care equipment shown;

[0032] Figure 4 for Figure 2 The side view of the infant care equipment shown;

[0033] Figure 5 for Figure 1 The diagram shows the structure of the infant care equipment after part of the outer casing has been removed.

[0034] Figure 6 for Figure 5 The enlarged view of part A shown below;

[0035] Figure 7 This is a partial exploded view of the support foot, rotating component, and base body in Embodiment 1 of the present invention;

[0036] Figure 8 This is a partial enlarged schematic diagram of the bottom surface of the base of Embodiment 1 of the present invention;

[0037] Figure 9 This is a schematic diagram of the structure connecting the first locking part, the rotating part, and the seat body in Embodiment 1 of the present invention;

[0038] Figure 10 for Figure 9 A partial cross-sectional view and enlarged schematic diagram of the structure shown at the first locking part;

[0039] A schematic diagram of the structure;

[0040] Figure 11 This is an exploded schematic diagram showing the first locking part of Embodiment 1 of the present invention disintegrating from the base body;

[0041] Figure 12 This is a front view of the infant care device of Embodiment 2 of the present invention in use.

[0042] Figure 13 This is a side view of the infant care device of Embodiment 2 of the present invention in a folded state;

[0043] Figure 14 This is a schematic diagram and partial sectional view of the infant care device of Embodiment 2 of the present invention after the seat frame and part of the outer shell have been removed;

[0044] Figure 15 for Figure 14 The enlarged view of part B shown;

[0045] Figure 16 This is an exploded view of the support leg in Embodiment 2 of the present invention;

[0046] Figure 17 This is a front view of the infant care device of Embodiment 3 of the present invention in use.

[0047] Figure 18 This is a side view of the infant care device of Embodiment 3 of the present invention in a folded state;

[0048] Figure 19 This is a schematic diagram and partial sectional view of the infant care device of Embodiment 3 of the present invention after the seat frame and part of the outer shell have been removed;

[0049] Figure 20 for Figure 19 The enlarged view of part C shown;

[0050] Figure 21 This is an exploded view of the support foot of Embodiment 3 of the present invention.

[0051] The meanings of the reference numerals in the attached figures are as follows:

[0052] 1. Base; 11. Outer shell; 111. First through groove; 112. Limiting component; 12. Seat body; 2. Rotating component; 21. Middle section; 22. Side section; 23. Universal joint; 24. First pivot; 25. Second pin hole; 3. Support foot; 31. Connecting end; 32. Supporting end; 33. Rod body; 34. Connector; 35. Limiting groove; 36. First rod; 37. Second rod; 41. First locking part; 411. First slider; 4111. Inclined... 412. Slot; 4121. First locking block; 4121. Drive block; 413. First pin; 414. First elastic reset member; 415. First stop block; 416. Second elastic reset member; 42. Second locking part; 421. Second locking block; 422. Second stop block; 423. Third elastic reset member; 424. Fourth elastic reset member; 425. Second pin; 426. Toggle block; 5. Second linkage mechanism; 51. Gear; 511. First pin hole; 6. Seat frame. Detailed Implementation

[0053] To better understand and implement this invention, the technical solutions in the embodiments of this invention will be clearly and completely described below with reference to the accompanying drawings.

[0054] In the description of this invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0055] Unless otherwise defined, 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 invention pertains. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

[0056] Example 1

[0057] See Figures 1 to 11 This invention discloses a supporting folding structure, which includes a base 1, a rotating component 2, several supporting legs 3, and a locking and unlocking mechanism. Two supporting legs 3 are arranged in a group and spaced apart. Each supporting leg 3 includes a connecting end 31 and a supporting end 32. The supporting end 32 is used to support the ground. The rotating component 2 is pivotally connected to the base 1. The connecting ends 31 of the two supporting legs 3 are respectively pivotally connected to the rotating component 2. The locking and unlocking mechanism is disposed between the rotating component 2 and the base 1 or between the rotating component 2 and the supporting legs 3. The locking and unlocking mechanism is used to directly or indirectly lock or unlock the supporting legs 3.

[0058] It also includes a use state and a folded state. In the use state, the support leg 3 is unfolded so that the support end 32 of the support leg 3 is supported on the ground, and the distance between the outer edges of the support ends 32 of the two support legs 3 is L1. In the folded state, the rotating member 2 rotates relative to the base 1, and the two support legs 3 of the pair retract upward relative to the base 1 as the rotating member 2 rotates. The support leg 3 can rotate relative to the rotating member 2 or relative to the base 1, and the distance between the outer edges of the support ends 32 of the two support legs 3 of the pair is L2, where L2 is less than L1. The locking mechanism locks the support leg 3 at least in the use state.

[0059] The aforementioned support folding structure pivotally connects the rotating member 2 to the base 1 and pivotally connects the connecting ends 31 of the two supporting legs 3 that form a pair to the rotating member 2. This allows the two supporting legs 3 to rotate simultaneously with the rotating member 2 when the rotating member 2 rotates relative to the base 1. In the use state, the distance between the outer edges of the supporting ends 32 of the two supporting legs 3 that form a pair is larger, while in the folded state, the distance between the outer edges of the supporting ends 32 of the two supporting legs 3 that form a pair is smaller. In other words, the distance between the supporting ends 32 of the two relatively spaced supporting legs 3 can be controlled so that the distance increases in the use state and decreases in the folded state.

[0060] Compared to existing designs where two support legs 3 are pivotally connected to the base 1 along an axis, the distance between the support ends 32 of the two support legs 3 remains unchanged in both the used and folded states. If the distance between the support ends 32 of the two support legs 3 is made larger to ensure support stability during use, the space occupied after folding will be large, and interference with the seat frame 6 is likely. If the distance between the support ends 32 of the two support legs 3 is made smaller, it will be difficult to meet safety testing requirements. In contrast, the solution of this application increases the distance between the support ends 32 of the two support legs 3 in the used state and decreases the distance in the folded state. Moreover, the support legs 3 fold upwards, ensuring stable support and high safety during use while also minimizing the space occupied after folding, thus meeting the needs for easy storage and portability.

[0061] This invention also discloses an infant care device using the folding support structure, which is used to care for and soothe infants. The seat frame 6 is mounted above the base 1. For ease of storage, the seat frame 6 is preferably foldable, allowing the entire infant care device to be folded. Alternatively, in other examples, the seat frame 6 can be detachable from the base 1. The inventive concept of this invention does not lie in the structure of the seat frame 6; therefore, the seat frame 6 will not be limited or described in detail here.

[0062] See Figures 1 to 5 In this embodiment, specifically, four support legs 3 are provided, arranged in pairs, with the two groups of support legs 3 facing each other. Two rotating members 2 are provided, each corresponding to one of the two groups of support legs 3, and the two rotating members 2 are arranged at intervals. In the use state, the two groups of support legs 3 are separated and unfolded relative to each other under the action of the two rotating members 2. In the folded state, the two groups of support legs 3 are folded and close together relative to each other under the action of the two rotating members 2. Thus, under the action of the rotating members 2, the four support legs fold upwards towards the middle, making the overall folded volume very small.

[0063] As a specific example, two support legs 3 arranged as a group are arranged along the X direction, while two groups of support legs 3 are arranged along the Y direction. The X direction corresponds to the left-right direction of the seat, and the Y direction corresponds to the front-back direction of the seat. It can be understood that the front-back direction of the seat refers to the overall length direction of the seat frame 6, and the left-right direction refers to the overall width direction of the seat frame 6. According to safety testing requirements, in the usage state, the distance between the support ends 32 arranged along the front-back direction of the seat should be larger, and the distance between the support ends 32 arranged along the left-right direction of the seat should be smaller. Thus, in this invention, in the folded state, the support ends 32 arranged along the front-back direction of the seat are folded together, and the distance between the support ends 32 arranged along the left-right direction of the seat is reduced, thereby meeting safety testing requirements while further reducing the space occupied after folding. Of course, in some other examples, the X direction can also be the front-back direction of the seat, and the Y direction can be the left-right direction of the seat.

[0064] Based on the aforementioned scheme of four supporting feet 3 and two rotating parts 2, preferably, a second linkage mechanism 5 is also provided between the two rotating parts 2 to enable the two rotating parts 2 to rotate simultaneously relative to the base 1. The second linkage mechanism 5 can be used to enable the four supporting feet 3 to move synchronously when folding or unfolding, thereby facilitating operation.

[0065] As a preferred specific example, the second linkage mechanism 5 includes two gears 51 respectively disposed on the two rotating parts 2. The two gears mesh with each other, so that the two rotating parts 2 rotate relative to the base 1 at the same time. When one rotating part 2 rotates in the forward direction, the other rotating part 2 will rotate in the reverse direction, so that the two sets of support feet 3 arranged opposite to each other along the Y direction can be synchronously separated and unfolded or synchronously folded and fitted together under the action of the rotating parts 2. The overall structure is relatively simple and the production cost is low.

[0066] It should be noted that the second linkage mechanism 5 can also be other structures that enable the two rotating parts 2 to rotate simultaneously relative to the base 1, such as a rope pulley system, etc. The specific details of the second linkage mechanism 5 are not limited here.

[0067] See Figure 5 and Figure 6 In this embodiment, a linkage scheme is adopted in the two supporting legs 3 that form a group. The purpose is to make the distance between the outer edges of the two supporting ends 32 change synchronously when the two supporting legs 3 unfold downward or retract upward relative to the base 1 as the rotating member 2 rotates. Therefore, the support folding structure also includes a first linkage mechanism. The first linkage mechanism is set between the rotating member 2 and the supporting legs 3 or between the supporting legs 3 and the base 1. The above purpose is achieved through the first linkage mechanism, that is, the rotation of the supporting legs 3 relative to the base 1 and the change in distance between the two supporting ends 32 are synchronized.

[0068] In this embodiment, the first linkage mechanism includes a universal joint 23 and a limiting member 112. The universal joint 23 is connected between the connecting end 31 of the support leg 3 and the rotating member 2 to realize the pivot connection between the support leg 3 and the rotating member 2 and to realize the transmission of torque. The overall structure is relatively simple and facilitates the transmission of force so that the two support legs 3 can move synchronously. Whether the rotating member 2 is driven to rotate by electric means to drive the two support legs 3 to rotate synchronously, or one of the support legs 3 is rotated to drive the other support leg 3 to rotate synchronously through the rotating member 2, the support legs 3 can be unfolded or folded. In the use state, the limiting member 112 restricts the support legs 3 to support the ground, so that the support legs 3 support the base 1 and will not move freely upwards, which would cause loosening and failure to form stable support. That is to say, when the rotating member 2 does not rotate, the limiting member 112 can also prevent the support legs 3 from moving.

[0069] Specifically, the limiting member 112 is fixed to the base 1, and the connecting end 31 of the support leg 3 is also pivotally connected to the limiting member 112. The limiting member 112 enables the support leg 3 to rotate relative to the base 1. The pivot axis between the support leg 3 and the limiting member 112 is arranged at an angle to the arrangement direction of the two support legs 3 in a group. When the two support legs 3 in a group rotate downward relative to the base 1 as the rotating member 2 rotates, the two support legs 3 in a group expand outward relative to each other, increasing the distance between the outer edges of the supporting ends 32 of the two support legs 3 in a group, and are used to support the ground. When the two support legs 3 in a group rotate upward relative to the base 1 as the rotating member 2 rotates, the two support legs 3 in a group retract relative to each other, decreasing the distance between the outer edges of the supporting ends 32 of the two support legs 3 in a group.

[0070] Thus, through the above-mentioned refined scheme, the distance between the support ends 32 of the two support legs 3 increases when in use, and decreases when folded. Moreover, the rotation of the rotating part 2 with the support legs 3 relative to the base 1 is synchronized with the change in the distance between the two support ends 32.

[0071] It should be noted that in other preferred embodiments, the limiting member 112 may also adopt other solutions to limit the supporting leg 3, as long as it can satisfy the function of limiting the supporting leg 3 to support the ground to form a stable support for the base 1 when in use.

[0072] Combined Figure 7The support foot 3 includes a rod 33 and a connector 34. The connector 34 is fixed to one end of the rod 33 and is used as a connector 31. The other end of the rod 33 is provided with a support end 32 or is used as a support end 32. The connector 34 is connected to the universal joint 23 and the limiting member 112, thereby realizing the pivot connection between the support foot 3 and the base 1 and the pivot connection between the support foot 3 and the rotating member 2. In the use state, the extension direction of the rod 33 is inclined downward and biased outward. In the folded state, the extension direction of the rod 33 is vertically upward. In other words, when in use, the two rods 33 expand outward in a V-shape, with the support end 32 lower than the connector 34 in the height direction and the distance between the two support ends 32 greater than the distance between the two connector ends 31 in the X direction, thus forming a stable support and allowing the base 1 to be suspended. When folded, the rods 33 are vertically upward, with the support end 32 located above the connector end 31, and the distance between the two support ends 32 equal to or close to the distance between the two connector ends 31 in the X direction, thereby reducing the space occupied.

[0073] The base 1 includes a shell 11 and a seat 12. The shell 11 is connected to and encloses the seat 12. The rotating member 2 is disposed on the seat 12. The limiting member 112 is detachably connected to the shell 11. The connector 34 passes through the limiting member 112 and can rotate relative to the limiting member 112. Using the shell 11 to install the limiting member and to pivotally connect the connector 34 helps to simplify the structure of the seat 12 and reduce the overall volume of the base 1.

[0074] Among them, combined Figure 6 and Figure 7 The connector 34 is L-shaped. One end of the connector 34 is fixed to the rod 33, and the other end of the connector 34 passes through the limiting member 112 and rotates relative to the limiting member 112. The other end of the connector 34 is also connected to the universal joint 23. Among them, axis S1 is the pivot axis between the rotating member 2 and the base 1, and axis S1 extends along the X direction. Axis S2 is the pivot axis between the connector 34 and the outer shell 11 (that is, the pivot axis between the support leg 3 and the base 1). Axis S1 and axis S2 intersect at an angle. The size of the angle between the two is related to the size of the outward expansion angle of the support leg 3. In addition, the size of the L-shaped angle of the connector 34 is also related to the size of the outward expansion angle of the support leg 3. These angles can be adjusted according to design requirements.

[0075] Since the rotation of the supporting leg 3 and the rotation of the rotating component 2 are correspondingly related and mutually restrictive, the locking and unlocking mechanism can lock either the supporting leg 3 or the rotating component 2. In this embodiment, the locking and unlocking mechanism indirectly locks the supporting leg 3 by locking the rotating component 2.

[0076] For details, please refer to Figures 8 to 11The locking and unlocking mechanism includes a first locking part 41 for locking or unlocking the rotating member 2, and the first locking part 41 is disposed between the rotating member 2 and the base 1.

[0077] The first locking part 41 includes a first slider 411, a first locking block 412, a first elastic reset member 414, a first stop block 415, and a second elastic reset member 416. The first slider 411 is slidably disposed on the base 1 along a first direction, and the first locking block 412 is slidably disposed on the base 1 along a second direction. The first slider 411 and the first locking block 412 are connected, and the first and second directions intersect. A first pin hole 511 is provided on the gear, and a first pin 413 that cooperates with the first pin hole 511 is provided on the first locking block 412. Using the gear that plays a linkage role to set the first pin hole 511 helps to simplify the structure of the rotating part 2; moving the first slider 411 causes... The first slider 411 drives the first locking block 412 to slide, thereby causing the first pin 413 to insert into the first pin hole 511 to form a lock or to disengage from the first pin hole 511 to form an unlock. When locked, the rotating part 2 is not allowed to rotate, and thus the supporting foot 3 is not allowed to rotate. When unlocked, the rotating part 2 and the supporting foot 3 are allowed to rotate. The first elastic reset member 414 is disposed between the first locking block 412 and the base 1. The first elastic reset member 414 is preferably a spring. The function of the first elastic reset member 414 is to provide elastic force to the first locking block 412, thereby keeping the first pin 413 inserted into the first pin hole 511 to form a lock, and also keeping the first slider 411 in the reset state.

[0078] Preferably, at least two first pin holes 511 are provided, with the two first pin holes 511 corresponding to the folded position and the unfolded support position of the support leg 3, respectively. Of course, more first pin holes 511 can be provided, such as three or four, to lock the support leg 3 in other required positions.

[0079] In order to enable the first slider 411 to drive the first locking block 412 when it slides, as a specific example, the first slider 411 is provided with a groove 4111, and the first locking block 412 is provided with a driving block 4121. The driving block 4121 is slidably disposed in the groove 4111. When the first slider 411 slides along the first direction, it drives the driving block 4121 to slide relative to the groove 4111, and the driving block 4121 carries the first locking block 412 to slide along the second direction.

[0080] Of course, the settings of the inclined groove 4111 and the drive block 4121 can also be interchanged. For example, the inclined groove 4111 can be set on the first locking block 412, while the drive block 4121 can be set on the first slider 411.

[0081] In other preferred embodiments, other known connection methods of the first slider 411 and the first locking block 412 may be used to satisfy the function of limiting the first slider 411 from driving the first locking block 412, which will not be elaborated here.

[0082] The first stop 415 is used to lock or unlock the first slider 411 to prevent accidental operation. Specifically, the rotating part 2, the first slider 411, and the first locking block 412 are all disposed on the base 12. The outer shell 11 is provided with a first through groove 111. A part of the first slider 411 extends out of the first through groove 111. The first slider 411 is provided with a first stop 415 and a second elastic reset member 416. The first stop 415 is movably disposed on the first slider 411, and the two ends of the second elastic reset member 416 are... The first slider 411 and the first stop 415 are connected respectively. The second elastic reset member 416 is preferably a spring. The second elastic reset member 416 mainly provides elastic force to act on the first stop 415. When the first pin 413 is inserted into the first pin hole 511, the first stop 415 pops out under the action of the second elastic reset member 416 and is located outside the first through groove 111. The first stop 415 can abut against the outer shell 11 to prevent the first slider 411 from being moved, so that the first pin 413 remains inserted into the first pin hole 511.

[0083] It should be noted that the base 1 may also include a drive device disposed on the seat body 12. The drive device is connected to the seat frame 6 and can be used to drive the seat frame 6 to rock, thereby being used as a rocking chair. The drive device can be any structure used to drive the seat frame 6 to rock, which is unrelated to the inventive concept of this application. Therefore, the specific solution of the drive device is not limited.

[0084] Example 2

[0085] See Figure 12 and Figure 16 This embodiment also discloses a support folding structure and an infant care device using the support folding structure. The difference between this embodiment and embodiment 1 is that the detailed scheme for controlling the distance between the two support ends 32 in the two support legs 3 that are in a group is different. Specifically, the support leg 3 is only pivotally connected to the rotating part 2 and not to the base 1.

[0086] In this embodiment, the connecting end 31 of the support leg 3 and the rotating member 2 are pivotally connected through the first rotating shaft 24. The axis of the first rotating shaft 24 forms an angle with the arrangement direction of the two support legs 3 that form a group. When the rotating member 2 rotates relative to the base 1, the support leg 3 rotates up and down with the rotating member 2 relative to the base 1. When the two support legs 3 that form a group rotate relative to the rotating member 2, the distance between the outer edges of the support ends 32 of the two support legs 3 that form a group increases or decreases.

[0087] Specifically, the pivot axis between the rotating component 2 and the base 1 extends along the X direction, and the axis of the first rotating shaft 24 is perpendicular to the X direction. (See also...) Figure 15 In this configuration, axis S1 is the pivot axis between the rotating part 2 and the base 1, and axis S1 extends along the X direction. Axis S3 is the axis of the first rotating shaft 24. Axis S1 and axis S3 are perpendicular to each other. Thus, when the support foot 3 rotates relative to the rotating part 2, the support end 32 of the support foot 3 moves inward or outward.

[0088] In the use state, the support leg 3 rotates downward relative to the base 1 as the rotating member 2 rotates, and the support leg 3 also rotates outward relative to the rotating member 2 to open, so that the support ends 32 of the two support legs 3 in a pair are unfolded to support the ground, thereby increasing the distance between the outer edges of the support ends 32 of the two support legs 3 in a pair; in the folded state, the support leg 3 rotates upward relative to the base 1 as the rotating member 2 rotates, and the support leg 3 also rotates inward relative to the rotating member 2 to close or rotates towards the rotating member 2 to fit together, thereby reducing the distance between the outer edges of the support ends 32 of the two support legs 3 in a pair.

[0089] Thus, through the above-mentioned refined scheme, the distance between the support ends 32 of the two support legs 3 increases when in use, and decreases when folded.

[0090] In this context, the rotation of the rotating component 2 with the supporting foot 3 relative to the base 1 and the change in distance between the two supporting ends 32 can be performed separately. It is understood that the rotation of the rotating component 2 with the supporting foot 3 relative to the base 1 and the change in distance between the two supporting ends 32 can also be performed synchronously. For example, a first linkage mechanism can also be provided between the supporting foot 3 and the rotating component 2, so that when the two supporting feet 3 of the pair expand downward or retract upward relative to the base 1 as the rotating component 2 rotates, the distance between the outer edges of the supporting ends 32 of the two supporting feet 3 of the pair changes synchronously. At this time, the specific structure of the first linkage mechanism can change accordingly to meet the linkage purpose, such as a pull rope structure, a linkage structure, etc. The specific structure of the first linkage mechanism is not limited here.

[0091] See Figures 12 to 14The two supporting legs 3, forming a pair, are pivotally connected to both ends of the rotating component 2. In the use state, the two supporting legs 3 are relatively outwardly extended in a V-shape, and the extension direction of the supporting legs 3 is inclined downward and biased outward. In the folded state, the extension direction of the supporting legs 3 is vertically upward. That is to say, in the use state, the supporting end 32 is lower than the connecting end 31 in the height direction, and the distance between the two supporting ends 32 is greater than the distance between the two connecting ends 31 in the X direction, which can form a stable support and also allow the base 1 to be suspended. In the folded state, the supporting end 32 is located above the connecting end 31, and the distance between the two supporting ends 32 in the X direction is equal to or close to the distance between the two connecting ends 31, thereby reducing the space occupied.

[0092] Specifically, the rotating part 2 is roughly straight, and the supporting leg 3 is roughly straight, thereby simplifying the structure and saving costs. Of course, the rotating part 2 and the supporting leg 3 can also be other shapes.

[0093] Based on the above scheme, when there is no first linkage mechanism, since the rotation of the support foot 3 and the rotation of the rotating part 2 do not mutually restrict each other, the locking and unlocking mechanism needs to lock the support foot 3 and the rotating part 2 respectively, so that the support foot 3 is locked in the use state at least as a whole.

[0094] Specifically, the locking and unlocking mechanism includes a first locking part 41 for locking or unlocking the rotating member 2 and a second locking part 42 for locking or unlocking the supporting foot 3. The first locking part 41 is disposed between the rotating member 2 and the base 1, and the second locking part 42 is disposed between the rotating member 2 and the supporting foot 3. The first locking part 41 in this embodiment is the same as the first locking part 41 in Embodiment 1, and can be referred to the relevant description in Embodiment 1, which will not be repeated here.

[0095] See Figure 15 and Figure 16 In this embodiment, the second locking part 42 includes a second locking block 421, a second stop block 422, a third elastic reset member 423, and a fourth elastic reset member 424. The second locking block 421 is slidably disposed on the support foot 3, and the second stop block 422 is slidably disposed on the second locking block 421. Specifically, the support foot 3 includes a first rod 36 and a second rod 37. The first rod 36 and the second rod 37 are fixedly connected relative to each other. One end of the first rod 36 serves as a connecting end 31 and is pivotally connected to the rotating member 2. One end of the second rod 37 serves as a support end 32 for supporting on the ground. The second locking block 421 is slidably disposed inside the second rod 37. In order to facilitate the movement of the second locking block 421, a lever 426 is also fixedly connected to the second locking block 421 located inside the second rod 37. The lever 426 is annularly slidable outside the second rod 37. The lever 426 is fixedly connected to the second locking block 421 located inside the second rod 37 by rivets or screws.

[0096] The connector is provided with a second pin hole 25, and the second locking block 421 is provided with a second pin 425 that cooperates with the second pin hole 25. One end of the third elastic reset member 423 is connected to the support foot 3 (specifically connected to the second rod 37), and the other end of the third elastic reset member 423 is connected to the second locking block 421. The third elastic reset member 423 is preferably a spring. The function of the third elastic reset member 423 is to provide elastic force to the second locking block 421, so that the second pin 425 is kept inserted into the second pin hole 25 to form a lock.

[0097] The support foot 3 is provided with a limiting groove 35 for cooperating with the second stop 422. Specifically, the limiting groove 35 is provided on the second rod 37. One end of the fourth elastic reset member 424 is connected to the second locking block 421, and the other end of the fourth elastic reset member 424 is connected to the second stop 422. When the second pin 425 is inserted into the second pin hole 25, the second stop 422 pops out and is inserted into the limiting groove 35 under the action of the fourth elastic reset member 424. The second stop 422 can abut against the side wall of the limiting groove 35 to prevent the second locking block 421 from being moved, so that the second pin 425 remains inserted into the second pin hole 25.

[0098] Preferably, at least two second pin holes 25 are provided, with the two second pin holes 25 corresponding to the folded position and the unfolded support position of the support leg 3, respectively. Of course, more second pin holes 25 can be provided, such as three or four, to lock the support leg 3 in other required positions.

[0099] It is also understandable that when a first linkage mechanism is provided, the rotation of the support foot 3 and the rotation of the rotating part 2 are mutually restricted under the action of the first linkage mechanism. At this time, the locking and unlocking mechanism can lock either the support foot 3 or the rotating part 2. That is to say, only the first locking part 41 or the second locking part 42 can be provided.

[0100] It should be noted that other similar technical features can be found in the relevant description of Embodiment 1, and will not be repeated here.

[0101] Example 3

[0102] See Figures 17 to 21 This embodiment also discloses a supporting folding structure and an infant care device using the supporting folding structure. The only difference between this embodiment and embodiment 2 is that the structures of the rotating part 2 and the supporting foot 3 are different.

[0103] In this embodiment, similar to Embodiment 2, the connecting end 31 of the support leg 3 and the rotating member 2 are also pivotally connected via the first rotating shaft 24. When the rotating member 2 rotates relative to the base 1, the support leg 3 rotates up and down relative to the base 1 along with the rotating member 2. When the two support legs 3 in a pair rotate relative to the rotating member 2, the distance between the outer edges of the support ends 32 of the two support legs 3 in a pair increases or decreases to meet the needs of support or storage. In other words, this embodiment can also achieve the effects described in Embodiment 2. For a detailed description of the same features and effects, please refer to Embodiment 2.

[0104] In addition, similar to Embodiment 2, the rotation of the rotating member 2 with the support foot 3 relative to the base 1 and the change in distance between the two support ends 32 can be carried out separately or simultaneously. For example, a first linkage mechanism can also be provided between the support foot 3 and the rotating member 2 to meet the linkage purpose. The specific structure of the first linkage mechanism is not limited here.

[0105] The difference lies in this embodiment: one end of the rotating member 2 is pivotally connected to the base 1, and two opposite sides of the other end of the rotating member 2 are pivotally connected to a support leg 3. In the use state, the support leg 3 rotates outward relative to the rotating member 2, so that the support end 32 of the support leg 3 is on the outside of the rotating member 2; in the folded state, the support leg 3 rotates towards the rotating member 2 to fit against it or rotates to the inside of the rotating member 2. This also achieves the purpose of controlling the increase or decrease of the distance between the two support ends 32.

[0106] Specifically, the rotating part 2 is U-shaped and includes a middle section 21 and two side sections 22. The middle section 21 is pivotally connected to the base 1, and one end of each side section 22 is fixed to the two ends of the middle section 21. The connecting end 31 of the support foot 3 is pivotally connected to the other end of the side section 22. When folded, the support foot 3 rotates towards the side section 22 and fits against it, specifically fitting against the outside of the side section 22.

[0107] In addition, in this embodiment, similar to embodiment 2, the locking and unlocking mechanism also includes a first locking part 41 for locking or unlocking the rotating member 2 and a second locking part 42 for locking or unlocking the support foot 3. The first locking part 41 is disposed between the rotating member 2 and the base 1, and the second locking part 42 is disposed between the rotating member 2 and the support foot 3.

[0108] In this embodiment, the first locking part 41 is the same as the first locking part 41 in embodiment 1. For details, please refer to the relevant description in embodiment 1, which will not be repeated here.

[0109] See Figure 20 and Figure 21The second locking part 42 in this embodiment is in the same principle as the second locking part 42 in embodiment 2, but with adaptive changes. The second locking part 42 also includes a second locking block 421, a second stop block 422, a third elastic reset member 423, and a fourth elastic reset member 424. The second locking block 421 is also provided with a second pin 425 and a lever 426. The connecting member is also provided with a second pin hole 25. The slight difference is that the lever 426 protrudes outside the support foot 3 instead of sliding on the support foot 3.

[0110] In this embodiment, it can also be understood that when a first linkage mechanism is provided, the rotation of the support foot 3 and the rotation of the rotating member 2 are mutually restricted under the action of the first linkage mechanism. At this time, the locking and unlocking mechanism can lock either the support foot 3 or the rotating member 2. That is to say, only the first locking part 41 or the second locking part 42 can be provided.

[0111] It should be noted that other similar technical features can be found in the relevant descriptions of Embodiments 1 or 2, and will not be repeated here.

[0112] The technical means disclosed in this invention are not limited to those disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of this invention, and these improvements and modifications are also considered within the scope of protection of this invention.

Claims

1. A supporting folding structure, applied to infant care equipment, characterized in that, include: The system comprises a base, a rotating component, and several supporting legs, with two supporting legs arranged in a group and spaced apart. Each supporting leg includes a connecting end and a supporting end, the supporting end being used to support the ground. The rotating component is pivotally connected to the base, and the connecting ends of the two supporting legs in a group are respectively pivotally connected to the rotating component. The system includes a usage state and a folded state. In the usage state, the support legs are unfolded so that the support ends of the support legs rest on the ground, and the distance between the outer edges of the support ends of the two support legs in a pair is L1. In the folded state, the rotating member rotates relative to the base, and the two support legs in a pair retract upward relative to the base as the rotating member rotates. The support legs can rotate relative to the rotating member or relative to the base, and the distance between the outer edges of the support ends of the two support legs in a pair is L2, where L2 is less than L1. It also includes a locking and unlocking mechanism, which is disposed between the rotating member and the base or between the rotating member and the support foot. The locking mechanism at least locks the support foot in the use state.

2. The supporting folding structure according to claim 1, characterized in that, It also includes a first linkage mechanism, which is disposed between the rotating member and the support leg or between the support leg and the base. Through the first linkage mechanism, when the two support legs that form a pair expand downward or retract upward relative to the base as the rotating member rotates, the distance between the outer edges of the support ends of the two support legs that form a pair changes synchronously.

3. The supporting folding structure according to claim 2, characterized in that, The first linkage mechanism includes a universal joint and a limiting member. The universal joint is connected between the connecting end of the support leg and the rotating member to realize the pivot connection between the support leg and the rotating member and to realize the transmission of torque. In the use state, the limiting member restricts the support leg to support the ground, so that the support leg supports the base.

4. The supporting folding structure according to claim 3, characterized in that, The limiting member is fixed to the base, and the connecting end of the supporting leg is also pivotally connected to the limiting member. The limiting member enables the supporting leg to rotate relative to the base. The pivot axis between the supporting leg and the limiting member is arranged at an angle to the arrangement direction of the two supporting legs that form a group. When the two supporting legs that form a pair rotate downward relative to the base as the rotating member rotates, the two supporting legs that form a pair expand outward relative to each other, increasing the distance between the outer edges of the supporting ends of the two supporting legs that form a pair, and are used to support the ground. When the two supporting legs that form a pair rotate upward relative to the base as the rotating component rotates, the two supporting legs that form a pair retract relative to each other, thereby reducing the distance between the outer edges of the supporting ends of the two supporting legs that form a pair.

5. The supporting folding structure according to claim 4, characterized in that, The support foot includes a rod and a connector. The connector is fixed to one end of the rod and is used as a connection end. The other end of the rod is provided with a support end or is used as a support end. The connector is connected to the universal joint and to the limiting member. In the use state, the extension direction of the rod is inclined downward and biased outward. In the folded state, the extension direction of the rod is vertically upward.

6. The supporting folding structure according to claim 5, characterized in that, One end of the connector is fixed to the rod body, the other end of the connector passes through the limiting member and rotates relative to the limiting member, and the other end of the connector is also connected to the universal joint.

7. The supporting folding structure according to claim 1 or 2, characterized in that, The connecting end of the support foot and the rotating component are pivotally connected through a first rotating shaft. The axis of the first rotating shaft forms an angle with the arrangement direction of the two support feet that form a group. When the rotating component rotates relative to the base, the support foot rotates up and down with the rotating component relative to the base. When the two support feet that form a group rotate relative to the rotating component, the distance between the outer edges of the support ends of the two support feet that form a group increases or decreases. In use, the support leg rotates downward relative to the base as the rotating member rotates, and the support leg also rotates outward relative to the rotating member to open, so that the support ends of the two support legs in a pair are unfolded to support the ground, thereby increasing the distance between the outer edges of the support ends of the two support legs in a pair. In the folded state, the support leg rotates upward relative to the base as the rotating member rotates, and the support leg also rotates inward relative to the rotating member to retract or rotates towards the rotating member to fit together, thereby reducing the distance between the outer edges of the support ends of the two support legs that form a pair.

8. The supporting folding structure according to claim 7, characterized in that, The two supporting legs that form a set are pivotally connected to the two ends of the rotating component. In the use state, the two supporting legs that form a set are relatively outwardly expanded in an outward V-shape, and the extension direction of the supporting legs is inclined downward and biased outward; in the folded state, the extension direction of the supporting legs is vertically upward.

9. The supporting folding structure according to claim 7, characterized in that, One end of the rotating component is pivotally connected to the base, and two opposite sides of the other end of the rotating component are pivotally connected to a support foot. In the use state, the support foot rotates outward relative to the rotating component and opens, so that the support end of the support foot is on the outside of the rotating component. In the folded state, the support foot rotates towards the rotating component to fit against it or rotates to the inside of the rotating component.

10. The supporting folding structure according to claim 7, characterized in that, The locking and unlocking mechanism includes a first locking part for locking or unlocking the rotating member and a second locking part for locking or unlocking the supporting foot. The first locking part is disposed between the rotating member and the base, and the second locking part is disposed between the rotating member and the supporting foot.

11. The supporting folding structure according to claim 10, characterized in that, The second locking part includes a second locking block, a second stop block, a third elastic reset member, and a fourth elastic reset member. The second locking block is slidably disposed on the support foot, and the second stop block is slidably disposed on the second locking block. One end of the third elastic reset member is connected to the support foot, and the other end of the third elastic reset member is connected to the second locking block. One end of the fourth elastic reset member is connected to the second locking block, and the other end of the fourth elastic reset member is connected to the second stop block. The connecting member is provided with a second pin hole, and the second locking block is provided with a second pin that mates with the second pin hole. The third elastic reset member provides elastic force to keep the second pin inserted into the second pin hole. The support foot is provided with a limiting groove for mates with the second stop block. When the second pin is inserted into the second pin hole, the second stop block pops out under the action of the fourth elastic reset member and inserts into the limiting groove. The second stop block can abut against the side wall of the limiting groove to prevent the second locking block from being moved, so that the second pin remains inserted into the second pin hole.

12. The supporting folding structure according to claim 1, characterized in that, The support legs are provided in four pairs, and the four support legs are arranged in pairs with each other. There are two rotating parts, which correspond to the two groups of support legs respectively, and the two rotating parts are arranged at intervals. In the use state, the two groups of support legs are separated and unfolded under the action of the two rotating parts. In the folded state, the two groups of support legs are folded and fitted together under the action of the two rotating parts.

13. The supporting folding structure according to claim 12, characterized in that, A second linkage mechanism is also provided between the two rotating components to enable the two rotating components to rotate simultaneously relative to the base.

14. The supporting folding structure according to claim 13, characterized in that, The second linkage mechanism includes two gears respectively mounted on the two rotating parts. The two gears mesh with each other, causing the two rotating parts to rotate simultaneously relative to the base.

15. The supporting folding structure according to claim 14, characterized in that, The locking and unlocking mechanism includes a first locking part for locking or unlocking the rotating member. The first locking part is disposed between the rotating member and the base. The first locking part includes a first slider and a first locking block. The first slider is slidably disposed on the base along a first direction, and the first locking block is slidably disposed on the base along a second direction. The first slider and the first locking block are connected, and the first direction and the second direction intersect. The gear is provided with a first pin hole, and the first locking block is provided with a first pin that cooperates with the first pin hole. Moving the first slider causes the first slider to drive the first locking block to slide, thereby causing the first pin to insert into the first pin hole to form a lock or disengage from the first pin hole to form an unlock.

16. The supporting folding structure according to claim 15, characterized in that, The first pin hole is provided with at least two, and the two first pin holes correspond to the folded position and unfolded support position of the support foot, respectively.

17. The supporting folding structure according to claim 16, characterized in that, A first elastic reset member is also provided between the first locking block and the base. The first elastic reset member provides elastic force to keep the first pin inserted into the first pin hole. The base includes a shell and a seat body. The shell is connected to and wraps around the seat body. The rotating member, the first slider, and the first locking block are all provided on the seat body. The shell is provided with a first through groove. A part of the first slider extends out of the first through groove. The first slider is provided with a first stop and a second elastic reset member. The first stop is movably disposed on the first slider. The two ends of the second elastic reset member are respectively connected to the first slider and the first stop. When the first pin is inserted into the first pin hole, the first stop is popped out by the action of the second elastic reset member and located outside the first through groove. The first stop can abut against the outer shell to prevent the first slider from being moved, so that the first pin remains inserted into the first pin hole.

18. An infant care device, characterized in that, The application has a support folding structure as described in any one of claims 1 to 17.

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