Multi-functional child product with convenient usage

Abstract

A multi-functional child product with convenient usage, comprising: a seat group (1), a base group (2), and a frame group (3). The child product has a first usage state, a second usage state, and a third usage state. The first usage state is a child stroller usage state; in the child stroller usage state, the seat group (1) is connected to the base group (2), and the frame group (3) is in an unfolded usage state. The second usage state is a child safety seat usage state; in the child safety seat usage state, the seat group (1) is connected to the base group (2), the frame group (3) is in a folded usage state, and the base group (2) can be correspondingly constrained and connected to a vehicle seat. In the third usage state, the seat group (1) is separate from the base group (2), and the seat group (1) can be used independently so as to present a carrycot usage state. The child product has high applicability and portability.

Description

Multifunctional children's product with convenient use

[0001] This application is based on the application with Chinese application number CN2024108573927 and application date of June 28, 2024, and claims priority thereto, the disclosure of which is hereby incorporated by reference in its entirety. TECHNICAL FIELD

[0002] The present application relates to the technical field of children's products, in particular to a multifunctional children's product with convenient use. BACKGROUND

[0003] Currently, children's safe travel products can be divided into children's strollers, stroller walkers, child safety seats, baskets and the like according to different use scenarios. However, the above-mentioned traditional children's safe travel products can usually only be applied to a single use scenario and cannot realize multi-use scenario switching, which has the problems of single function, inconvenience of use and low product market competitiveness.

[0004] For example, child safety seats are usually only installed on cars for use by children when riding, and children's strollers are usually only used for outdoor pushing, which has the problems of low utilization rate and lack of versatility.

[0005] Therefore, the present application is proposed to solve the above-mentioned problems. CONTENT

[0006] The present application aims to overcome the shortcomings of the prior art and provide a multifunctional children's product with convenient use. The car frame group is switched between the unfolded use state and the folded use state, and at the same time, the seat group is connected to the base group, so that the children's product can be switched between the stroller use state and the child safety seat use state. In addition, the seat group can be detached from the base group and used independently as a basket, so that the present application can be switched to the corresponding use mode according to different use scenarios, and has the characteristics of quick switching, multifunctionality, strong applicability and convenient carrying.

[0007] The present application also provides a multifunctional children's product with convenient use. The base group can be connected to the seat frame to switch the children's product to a simple stroller mode, or connected to the child safety seat body to switch the children's product to a children's stroller mode. In the children's stroller mode, the child safety seat body is separated from the base group to convert the child safety seat body into a basket for independent use or connected to the safety seat base to be restrained on the car seat. Therefore, the present application can be switched to the corresponding use mode according to different use scenarios, and has the characteristics of quick switching, multifunctionality, strong applicability and convenient carrying. In addition, it also has the characteristics of simple structure and overall lightweight.

[0008] The application discloses a multifunctional child product with convenient use, which has a first use state, a second use state and a third use state.

[0009] A seat group is arranged for the baby to sit on.

[0010] A base group is arranged for connecting and supporting the seat group, and the two groups are detachably connected.

[0011] A frame group is arranged, and the base group and the frame group are detachably connected, and the frame group has an unfolded use state and a folded use state relative to the base group.

[0012] The first use state is a child stroller use state, in which the seat group is connected with the base group, and the frame group is in the unfolded use state.

[0013] The second use state is a child safety seat use state, in which the seat group is connected with the base group, and the frame group is in the folded use state, and the base group can be connected on a car seat by being correspondingly constrained.

[0014] In the third use state, the seat group is separated from the base group, and the seat group can be independently used in a basket use state.

[0015] The seat group is arranged to be connected on the base group in the first use state and the second use state.

[0016] The multifunctional child product with convenient use is also provided with a base height adjusting mechanism for adjusting the height of the base group in the second use state.

[0017] The multifunctional child product with convenient use is also provided with a connecting rod, one end of which is rotatably connected with the seat group or the base group, the connecting rod can be used as a pushing rod of the child stroller in the first use state, and the connecting rod is folded relative to the seat group or the base group in the second use state.

[0018] A multifunctional children's product with convenient use as described above, the frame set comprises front leg assemblies and rear leg assemblies, the lower ends of which are connected with wheel sets, the middle part of the front leg assemblies is rotatably connected with the base set, the upper end of the front leg assemblies is rotatably connected with the upper end of the rear leg assemblies, the base set is rotatably provided with a joint assembly, the upper part of the rear leg assemblies is slidably connected with the joint assembly and can drive the joint assembly to rotate relative to the base set; the frame set and the base set are provided with a frame locking mechanism for locking the frame set relative to the base set; in the first use state of the children's product, the front leg assemblies and the rear leg assemblies are locked relative to the base set by the frame locking mechanism and kept in an unfolded use state to support the ground; in the process of switching the children's product to the second use state, the front leg assemblies are folded backward relative to the base set, and the upper end of the rear leg assemblies is rotated and slid forward relative to the base set to make the lower end of the front leg assemblies and the rear leg assemblies correspondingly folded on the rear side of the base set.

[0019] A multifunctional children's product with convenient use as described above, the frame locking mechanism comprises a frame locking hole provided on the front leg assemblies and a frame locking rod slidably provided on the base set and capable of being inserted into the frame locking hole to lock the front leg assemblies relative to the base set, and a frame locking rod reset member provided between the frame locking rod and the base set for driving the frame locking rod to elastically reset.

[0020] A multifunctional children's product with convenient use as described above, the seat set and the base set are provided with a seat clamping mechanism for detachably clamping the seat set on the base set; the seat clamping mechanism comprises a supporting seat provided on the base set, the upper part of the supporting seat is provided with a guide slot for clamping the seat fixing rod of the seat set, and a clamping hook is pivotally connected to the supporting seat and used for clamping and locking the seat fixing rod in cooperation with the guide slot.

[0021] A multifunctional children's product with convenient use as described above, the clamping hook has a first use state and a second use state, the clamping hook is in cooperation with the guide slot in the first use state to clamp and lock the seat fixing rod, and the clamping hook is opened relative to the guide slot and is limited to rotate to be locked in the second use state; the seat clamping mechanism further comprises a clamping hook linkage mechanism provided between the supporting seat and the clamping hook, the clamping hook linkage mechanism is configured to link and release the clamping hook from being locked when the seat set is connected and cooperated with the base set, and then the clamping hook is switched from the second use state to the first use state.

[0022] A multifunctional children's product with convenient use as described above, the seat clamping mechanism further comprises a safety locking mechanism, the safety locking mechanism is configured to lock the clamping hook linkage mechanism when the clamping hook enters the first use state by connecting and cooperating the seat set with the base set.

[0023] A multi-functional child product with convenient use as described above, the hook is configured to have a rotating tendency to keep elastic reset to the guide slot, and the hook linkage mechanism is also configured to keep the hook in a state of locking or having a tendency to lock the seat fixing rod when the seat group is connected to the base group or not separated from the guide slot.

[0024] A multi-functional child product with convenient use as described above, the hook linkage mechanism includes a trigger linkage, a trigger elastic member and a linkage seat; the trigger linkage is movably arranged on the support seat and configured to be correspondingly moved when the seat group is contacted by the seat group; the trigger elastic member is located between the trigger linkage and the support seat to drive the trigger linkage to automatically reset; the linkage seat is movably arranged between the trigger linkage and the hook, a linkage seat limiting assembly for limiting the movement of the linkage seat is arranged between the linkage seat and the trigger linkage, and the linkage seat limiting assembly is configured to release the limitation of the linkage seat when the trigger linkage is contacted by the seat group; a hook linkage assembly for corresponding rotating movement of the hook is arranged between the linkage seat and the hook; the safety locking mechanism is located between the trigger linkage and the linkage seat.

[0025] A multi-functional child product with convenient use as described above, the trigger linkage is slidably arranged on the support seat, and the linkage seat is slidably arranged between the trigger linkage and the hook; the linkage seat limiting assembly includes a linkage seat limiting vertical slot arranged on the trigger linkage or the linkage seat, and a linkage seat limiting rod arranged on the linkage seat or the trigger linkage and limitingly matched with the linkage seat limiting vertical slot, and a linkage seat horizontal slot arranged on the trigger linkage or the linkage seat and allowing the linkage seat limiting rod to move therein; the hook linkage assembly includes a hook linkage vertical slot arranged on the linkage seat or the hook, and a hook linkage rod arranged on the hook or the linkage seat and limitingly matched with the hook linkage vertical slot; the safety locking mechanism is formed by the corresponding side walls of the linkage seat horizontal slot for limitingly matching with the linkage seat limiting rod to prevent the trigger linkage from sliding upwardly and resetting.

[0026] A multi-functional child product with convenient use as described above, the base group movably has an automatically resettable hook unlocking mechanism, the hook unlocking mechanism is configured to link each hook to simultaneously open relative to the corresponding guide slot to release the locking action of the seat fixing rod, and when the seat group is connected to the base group, the hook unlocking mechanism is released, so that each hook automatically restores to lock the seat fixing rod.

[0027] The multifunctional child product with convenient use comprises a clamping hook unlocking mechanism, the clamping hook unlocking mechanism comprises a clamping hook unlocking linkage frame movably arranged on the base set, the clamping hook unlocking linkage frame is connected with the clamping hooks arranged on the support seats at the front and rear parts of the base set, and the clamping hook unlocking linkage frame is provided with a clamping hook unlocking elastic member for driving the clamping hook unlocking linkage frame to automatically reset relative to the base set.

[0028] The application further provides a multifunctional child product with convenient use, which comprises:

[0029] A seat frame is arranged for the baby to sit, the seat frame is configured to have a five-point safety belt and is rotatable to be folded and unfolded;

[0030] A child safety seat body is arranged for the baby to sit;

[0031] A base set is arranged to be selectively detachably connected with the seat frame or the child safety seat body;

[0032] A frame set is connected with the base set, and the frame set has an unfolded use state and a folded use state relative to the base set;

[0033] When the base set is connected with the seat frame, the seat frame and the frame set are in the unfolded state, so that the child product is switched to a simple baby stroller mode;

[0034] When the base set is connected with the child safety seat body, the frame set is in the unfolded state, so that the child product is switched to a child stroller mode;

[0035] In the child stroller mode, when the child safety seat body is separated from the base set, the child safety seat body can be converted to be independently used as a basket or be connected to the safety seat base to be correspondingly restrained on an automobile seat.

[0036] The multifunctional child product with convenient use, when the child product is switched to the simple baby stroller mode, the seat frame and the frame set can be folded relative to the base set.

[0037] The multifunctional child product with convenient use, the seat frame comprises a seat plate detachably connected with the base set and a back plate rotatably connected with the rear end of the seat plate, and the back plate is provided with a back plate locking mechanism for locking the back plate relative to the seat plate.

[0038] The seat frame locking mechanism is arranged between the seat frame and the base group and is used for locking the seat frame relative to the base group, and the seat frame locking mechanism comprises a seat frame locking hole arranged on the base group and a seat frame locking tongue elastically and slidably arranged on the seat frame and capable of being inserted into the seat frame locking hole.

[0039] Compared with the prior art, the present application has the following advantages:

[0040] 1. In the present application, the seat group is connected to the base group when the vehicle frame group is switched between the unfolded use state and the folded use state, so that the child product is switched between the stroller use state and the child safety seat use state. In addition, the seat group can be detached from the base group and used independently in the basket use state. Therefore, the present application can be switched to the corresponding use mode according to different use scenarios, and has the characteristics of quick switching, multi-function, strong applicability and convenient carrying.

[0041] 2. The upper part of the rear leg assembly is slidably connected to the joint assembly and can drive the joint assembly to rotate relative to the base group. The rear leg assembly slides relative to the joint assembly during rotation, which can quickly and efficiently link the front leg assembly and the rear leg assembly to fold or unfold to the folded use state or the unfolded use state. When in the folded use state, the front leg assembly, the front wheel, the rear leg assembly and the rear wheel are all correspondingly attached to the side of the base group. Since this folding and unfolding does not require additional connecting rods, the folding volume and overall weight are minimized.

[0042] 3. By locking the clasp in the second use state through the clasp linkage mechanism, the clasp remains open relative to the guide slot in the second use state. When connecting the seat fixing rod on the seat group to the base group, the user does not need to perform additional operations on the clasp. The user can simply place the seat fixing rod on the seat group in the guide slot, and the clasp linkage mechanism is triggered by the seat group during the process of placing the seat fixing rod in the guide slot to release the locking action of the clasp in the second use state. The clasp is switched from the second use state to the first use state and cooperates with the guide slot to lock the seat fixing rod, achieving an automatic locking function. Therefore, only one connection action is required, and the operation is convenient.

[0043] 4. To ensure the stability and reliability of the seat clamping mechanism, when the child carrier is connected and cooperated with the base to make the clasp enter the first use state, the safety locking mechanism locks the clasp linkage mechanism.

[0044] 5. When the seat group is connected to the base group, the card hook linkage mechanism is used to keep the card hook fixed rod clamping lock, so that the seat group and the base group are connected safely and reliably, and the use safety is ensured.

[0045] 6. In the application, the base group can be connected with the seat frame to switch the child product to a simple baby stroller mode, or can be connected with the child safety seat body to switch the child product to a child stroller mode, and at the same time, the child safety seat body is separated from the base group in the child stroller mode to convert the child safety seat body into a basket for independent use or connected to the safety seat base to be constrained on the car seat. Therefore, the application can be switched to the corresponding use mode according to different use scenes, has the characteristics of quick switching, multi-function, strong applicability, and convenient carrying, and also has the characteristics of simple structure and overall lightweight. BRIEF DESCRIPTION OF DRAWINGS

[0046] The specific embodiments of the application will be further described in detail below with reference to the accompanying drawings, in which:

[0047] FIG. 1 is a perspective view of an embodiment 1 in a child stroller use state in the application scheme one.

[0048] FIG. 2 is a side view of the embodiment 1 in a child safety seat use state in the application scheme one.

[0049] FIG. 3 is a cross-sectional view of the embodiment 1 in the child stroller use state in the application scheme one.

[0050] FIG. 4 is an exploded schematic view of a seat clamping mechanism of the embodiment 1 in the application scheme one.

[0051] FIG. 5 is a side view of the embodiment 1 in the child stroller use state in the application scheme one.

[0052] FIG. 6 is a cross-sectional view of A-A in FIG. 5.

[0053] FIG. 7 is an exploded structure schematic view of the embodiment 1 in the application scheme one.

[0054] FIG. 8 is a side view of the embodiment 1 in the child stroller use state in the application scheme one.

[0055] FIG. 9 is a side view of the embodiment 1 in the child stroller use state in the application scheme one.

[0056] FIG. 10 is a partial structure schematic view of the embodiment 1 in the application scheme one.

[0057] FIG. 11 is a side view of the embodiment 1 in the child stroller use state in the application scheme one.

[0058] Fig. 12 is a second side view of the frame set in the folded state in the first embodiment of the first aspect of the present application.

[0059] Fig. 13 is a structural schematic view of the height adjustment mechanism of the base set in the first embodiment of the first aspect of the present application.

[0060] Fig. 14 is a perspective view of the stroller in the second embodiment of the first aspect of the present application in the stroller state.

[0061] Fig. 15 is a perspective view of the stroller in the second aspect of the present application in the stroller state.

[0062] Fig. 16 is an exploded view of the stroller in the second aspect of the present application in the stroller state.

[0063] Fig. 17 is a side view of the stroller in the second aspect of the present application in the stroller state.

[0064] Fig. 18 is a sectional view of the stroller in the second aspect of the present application in the stroller state.

[0065] Fig. 19 is an exploded view of the stroller in the second aspect of the present application in the stroller state. DETAILED DESCRIPTION

[0066] The embodiments of the present application will be described in detail below with reference to Figs. 1-19.

[0067] The first embodiment of the first aspect of the present application is shown in Figs. 1-13. The present application is a multifunctional child product with convenient use. The child product has a first use state, a second use state and a third use state, and comprises a seat set 1, a base set 2 and a frame set 3. The seat set 1 is used for a baby or a child to sit on. The base set 2 is used for connecting and supporting the seat set 1, and the two sets are detachably connected. The frame set 3 is connected with the base set 2, and the frame set 3 has an unfolded use state and a folded use state relative to the base set 2. The first use state is a stroller use state, in which the seat set 1 is connected with the base set 2 and the frame set 3 is in the unfolded use state. The second use state is a child safety seat use state, in which the seat set 1 is connected with the base set 2 and the frame set 3 is in the folded use state, and the base set 2 can be connected to a car seat by being appropriately constrained. In the third use state, the seat set 1 is separated from the base set 2, so that the seat set 1 is switched to a basket use state for independent use.

[0068] The child product can be switched between the stroller use state and the child safety seat use state by connecting the seat group to the base group when the frame group is switched between the unfolded use state and the folded use state, and the seat group can also be detached from the base group and used independently in the basket use state. Therefore, the child product can be switched to the corresponding use mode according to different use scenarios, and has the characteristics of quick switching, multi-function, strong applicability and convenient carrying. When the user goes out by car, the user does not need to additionally equip a special stroller frame, which can effectively reduce the number and weight of child products carried, and is convenient for travel. When used with a car seat, the child product can be connected and used with the car seat without additionally increasing an independent base, which is convenient to use.

[0069] When the child product is switched to the child safety seat use state and used with the car seat, the base group can be restrained by cooperating with the ISOFIX connector on the car seat through the connecting joint. In order to meet the European standard, the connecting joint is an ISOFIX connector fixedly connected to the ISOFIX connector of the ISOFIX assembly on the base group. In order to meet the American standard, the connecting joint is an ISOFIX connector connected to the base group through a connecting soft belt.

[0070] As shown in FIGS. 1-3, the base group 2 is provided with an ISOFIX assembly, and the connecting joint is an ISOFIX connector provided on the ISOFIX assembly. The embodiment is suitable for European use mode. In the embodiment, the ISOFIX connector on the car seat is an ISOFIX socket matched with the ISOFIX connector.

[0071] In order to facilitate installation and realize multi-directional installation mode, the seat group 1 is configured to be connected to the base group 2 in the first use state and the second use state.

[0072] In order to facilitate carrying and packaging, the base group 2 and the frame group 3 are detachably connected.

[0073] As shown in FIG. 13, the child product further includes a base height adjusting mechanism for adjusting the height of the base group 2 in the second use state. The base height adjusting mechanism can make the base group better adapt to different specifications and types of car seats, and better fit the base group bottom to the car seat, thereby improving the comfort and safety of the seat. The specific structure of the base height adjusting mechanism can be referred to the application for a car safety seat base height adjusting device filed by the applicant on July 25, 2023, with the application number 202321976592.1, which will not be described here.

[0074] As shown in Fig. 1, 3, 5, 7-13, in order to facilitate use, a connecting rod 4 is rotatably connected to the base set 2, in the first use state, the connecting rod 4 can be used as a push rod of the stroller, in the second use state, the connecting rod 4 is folded to the base set 2. In order to minimize the overall volume after folding, the connecting rod 4 is configured to be telescopic or rotatable. In this embodiment, the seat set 1 has a handle bar for lifting when the seat set 1 is separated from the base set 2, the handle bar is rotatably or telescopically connected to the seat set, as shown in Fig. 1, the handle bar is in inverted U-shaped structure.

[0075] As shown in Fig. 1, 7-12, in order to make the frame set efficient and stable, the frame set 3 includes front leg assembly 31 and rear leg assembly 32 connected with wheel set at lower end, the middle part of the front leg assembly 31 is rotatably connected with the base set 2, the upper end of the front leg assembly 31 is rotatably connected with the upper end of the rear leg assembly 32, the base set 2 is rotatably provided with a joint assembly 33, the upper part of the rear leg assembly 32 is slidably connected to the joint assembly 33 and can drive the joint assembly 33 to rotate relative to the base set 2; the frame set 3 and the base set 2 are provided with a frame locking mechanism 34 for locking the frame set 3 relative to the base set 2; in the first use state of the children's products, the front leg assembly 31 and the rear leg assembly 32 are locked relative to the base set 2 by the frame locking mechanism 34 to maintain the unfolded use state to support on the ground; during switching to the second use state, the front leg assembly 31 is folded backward relative to the base set 2, and the upper end of the rear leg assembly 32 is rotated and slid forward relative to the base set 2 to make the lower end of the front leg assembly 31 and the rear leg assembly 32 fold on the rear side of the base set 2. In this embodiment, the rear leg assembly slides relative to the joint assembly during rotation, which can make the front leg assembly and the rear leg assembly quickly and efficiently fold to the folded use state or unfold to the unfolded use state, as shown in Fig. 2, 11, 12, when the frame set is in the folded use state, the front leg assembly, the front wheel, the rear leg assembly and the rear wheel are correspondingly attached to the side of the base set. Since this folding and unfolding does not need to increase other connecting rods, the folding volume and the overall weight are minimized.

[0076] As shown in FIG. 6 and FIG. 7, in order to lock reliably, the frame locking mechanism 34 comprises a frame locking hole 341 provided on the front leg assembly 31 and a frame locking rod 342 slidably provided on the base assembly 2 and insertable into the frame locking hole 341 to lock the front leg assembly 31 relative to the base assembly 2, and a frame locking rod reset member 343 is provided between the frame locking rod 342 and the base assembly 2 to drive the frame locking rod 342 to reset elastically. As shown in FIG. 7, a frame unlocking handle is movably provided on the base assembly 2, and the frame unlocking handle is connected with the corresponding frame locking rod 342 through a frame unlocking pull rope. When unlocking, the user actuates the frame unlocking handle to make corresponding action, the frame unlocking handle pulls the frame locking rod 342 to slide relative to the base assembly 2 to the side away from the frame locking hole 341 through the frame unlocking pull rope, so that the locking end of the frame locking rod 342 exits the frame locking hole 341 to release the locking state of the front leg assembly 31 relative to the base assembly 2.

[0077] As shown in FIG. 3 and FIG. 4, in order to disassemble and assemble conveniently, the seat assembly 1 and the base assembly 2 are provided with a seat clamping mechanism 5 for detachably clamping the seat assembly 1 on the base assembly 2; the seat clamping mechanism 5 comprises a support seat 51 provided on the base assembly 2, an induction slot 52 for clamping the seat fixing rod 10 of the seat assembly 1 is provided on the upper portion of the support seat 51, and a clamping hook 53 for clamping and locking the seat fixing rod 10 in cooperation with the induction slot 52 is pivotally connected on the support seat 51. In the embodiment, the support seat 51 is provided on the front and rear portions of the base assembly 2, and the two seat fixing rods 10 are provided at the bottom of the seat assembly in front of and behind the seat assembly.

[0078] As shown in FIG. 3 and FIG. 4, the clamping hook 53 has a first use state and a second use state, the clamping hook 53 is in cooperation with the induction slot 52 in the first use state to clamp and lock the seat fixing rod 10, and the clamping hook 53 is opened relative to the induction slot 52 and is limited to rotate to be locked in the second use state; the seat clamping mechanism 5 further comprises a clamping hook linkage mechanism 54 provided between the support seat 51 and the clamping hook 53, and the clamping hook linkage mechanism 54 is configured to link and release the locking action of the clamping hook 53 when the seat assembly 1 and the base assembly 2 are connected and cooperated, so as to switch from the second use state to the first use state. In the embodiment, the clamping hook is locked in the second use state by the clamping hook linkage mechanism, so that the clamping hook is kept open relative to the induction slot in the second use state, and the user can place the seat fixing rod on the seat assembly into the induction slot without additional operation of the clamping hook, the clamping hook linkage mechanism is triggered by the seat assembly to release the locking action of the clamping hook in the second use state during the process of placing the seat fixing rod into the induction slot, the clamping hook is switched from the second use state to the first use state to cooperate with the induction slot to clamp and lock the seat fixing rod, so as to realize the automatic locking function, and only one connection action is needed, which has the characteristics of convenient operation.

[0079] In order to ensure the stability and reliability of the seat clamping mechanism 5, the seat clamping mechanism 5 further comprises a safety locking mechanism 55 configured to lock the clamping hook linkage mechanism 54 when the clamping hook 53 is in the first use state after the seat group 1 is connected with the base group 2.

[0080] Further, in order to ensure the stability and reliability of the connection, the clamping hook 53 is configured to have a rotating tendency to keep the elastic reset of the guide slot 52, and the clamping hook linkage mechanism 54 is further configured to keep the clamping hook 53 in the tendency to clamp and lock the seat fixing rod 10 or keep the tendency to clamp and lock the seat fixing rod 10 when the seat group 1 is connected with the base group 2 or is not separated from the guide slot 52.

[0081] As shown in FIGS. 3 and 4, the clamping hook linkage mechanism 54 comprises a trigger linkage 541, a trigger elastic member 542, and a linkage seat 543; the trigger linkage 541 is movably arranged on the support seat 51 and is configured to be correspondingly actuated by the seat group 1 when the seat group 1 is connected with the base group 2; the trigger elastic member 542 is arranged between the trigger linkage 541 and the support seat 51 to drive the trigger linkage 541 to automatically reset; the linkage seat 543 is movably arranged between the trigger linkage 541 and the clamping hook 53, and a linkage seat limiting assembly 544 is arranged between the linkage seat 543 and the trigger linkage 541 to limit the movement of the linkage seat 543, and the linkage seat limiting assembly 544 is configured to release the limitation of the linkage seat 543 when the trigger linkage 541 is contacted by the seat group 1; a clamping hook linkage assembly 545 is arranged between the linkage seat 543 and the clamping hook 53 to link the corresponding rotating action of the clamping hook 53; and the safety locking mechanism 55 is arranged between the trigger linkage 541 and the linkage seat 543. When the seat group is connected with the base group to place the seat fixing rod in the guide slot, the seat group presses the trigger linkage to release the limitation of the linkage seat 543 by the linkage seat limiting assembly (i.e., release the locking state of the clamping hook in the second use state), the linkage seat 543 links the corresponding rotation of the clamping hook through the clamping hook linkage assembly 545, so that the clamping hook automatically resets to clamp and lock the seat fixing rod, and the operation is convenient.

[0082] As shown in FIG. 3 and FIG. 4, in order to make the seat engaging mechanism 5 linkage accurate and reliable, the trigger linkage 541 is slidably arranged on the support seat 51, the linkage seat 543 is slidably arranged between the trigger linkage 541 and the hook 53, the linkage seat limiting assembly 544 comprises a linkage seat limiting vertical slot 5441 arranged on the trigger linkage 541 or the linkage seat 543 and a linkage seat limiting rod 5442 arranged on the linkage seat 543 or the trigger linkage 541 and limiting matched with the linkage seat limiting vertical slot 5441, the trigger linkage 541 or the linkage seat 543 is further provided with a linkage seat horizontal slot 5443 communicated with the linkage seat limiting vertical slot 5441 and allowing the linkage seat limiting rod 5442 to move therein, the hook linkage assembly 545 comprises a hook linkage vertical slot 5451 arranged on the linkage seat 543 or the hook 53 and a hook linkage rod 5452 arranged on the hook 53 or the linkage seat 543 and limiting matched with the hook linkage vertical slot 5451, and the safety locking mechanism 55 is formed by the corresponding side wall of the linkage seat horizontal slot 5443 for limiting matched with the linkage seat limiting rod 5442 to prevent the trigger linkage 541 from sliding upwardly and resetting. In the process of connecting the seat group 1 with the base group 2 so that the seat fixing rod 10 is placed in the guide slot 52, the seat group 1 presses the trigger linkage 541 to make the trigger linkage 541 drive the linkage seat limiting rod 5442 to slide downwardly relative to the support seat 51, so that the linkage seat limiting rod 5442 is separated from the linkage seat limiting vertical slot 5441 to release the restriction state of the linkage seat 543, then the linkage seat 543 slides relative to the support seat 51 along the front and back directions to reset, so that the linkage seat horizontal slot 5443 is slidably matched with the linkage seat limiting rod 5442 (at this time, the upper side wall of the linkage seat horizontal slot 5443 is matched with the linkage seat limiting rod 5442 to prevent the trigger linkage 541 from sliding upwardly and resetting), and the hook linkage vertical slot 5451 is matched with the hook linkage rod 5452 to drive the hook 53 to automatically reset and clamp and lock the seat fixing rod 10, and the linkage is stable and reliable.

[0083] In addition, the linkage seat limiting rod is matched with the linkage seat limiting vertical slot and the linkage seat limiting rod, and the hook linkage vertical slot is matched with the hook linkage rod, which can play a role of guiding and limiting, etc., to ensure the smooth and stable use of the corresponding parts.

[0084] As shown in FIG. 3 and FIG. 4, in order to unlock conveniently, the base set 2 is movably provided with a catch unlocking mechanism 56 capable of automatic reset, which is configured to link and open each catch 53 relative to the corresponding guide slot 52 to release the clamping and locking action on the seat fixing rod 10, and when the seat set 1 is connected to the base set 2, the catch unlocking mechanism 56 is released, so that each catch 53 automatically restores to clamp and lock the seat fixing rod 10. The catch unlocking mechanism 56 includes a catch unlocking linkage frame 561 movably arranged on the base set 2, which is connected with the catch 53 on the support seat 51 at the front and rear of the base set 2, and the catch unlocking linkage frame 561 is provided with a catch unlocking elastic member 562 between the base set 2 for driving the catch unlocking linkage frame 561 to automatically reset. In the embodiment, the linkage seat 543 can be formed at the corresponding end of the unlocking linkage frame 561. As shown in FIG. 4, the trigger linkage 541 on the two support seats 51 at the front or rear is connected by a connecting rod, when the seat set 1 is connected to the base set 1, the seat set 1 presses the trigger linkage 541 to ensure that the trigger linkage 541 on the two support seats 51 synchronously and smoothly slides, and at the same time, the structural strength is improved. The catches of the two support seats 51 are also connected by a connecting rod, which can ensure that the catches of the two front support seats 51 rotate synchronously, which is beneficial to synchronous unlocking and locking. As shown in FIG. 3 and FIG. 4, the base set 2 is movably provided with a seat unlocking handle 564, which is connected with the catch unlocking linkage frame 561 through a seat unlocking pull rope 563.

[0085] The difference between the embodiment 2 of scheme one and the embodiment 1 of scheme one is that, as shown in FIG. 14, the children's product further includes a connecting rod 4 rotatably connected with the seat set 1, in the first use state, the connecting rod 4 can be used as a push rod of the stroller, and in the second use state, the connecting rod 4 is folded close to the seat set 1. In this embodiment, when the seat set 1 is separated from the base set 2 to present a basket use state, the connecting rod 4 is used as a handle rod of the basket.

[0086] Scheme two: as shown in Figures 15-19, the present application is a multifunctional child product with convenient use, comprising: a seat frame 100, a child safety seat body 200, a base set 2 and a frame set 3; the seat frame 100 is used for the baby to sit on, the seat frame 100 is configured to have a five-point safety belt and can be rotated to fold and unfold; the child safety seat body 200 is used for the baby to sit on; the base set 2 is configured to be selectively detachably connected with the seat frame 100 or the child safety seat body 200; the frame set 3 is connected with the base set 2, and the frame set 3 has an unfolded use state and a folded use state relative to the base set 2; when the base set 2 is selected to be connected with the seat frame 100, the seat frame 100 and the frame set 3 are in the unfolded state so that the child product is switched to a simple baby stroller mode; when the base set 2 is selected to be connected with the child safety seat body 200, the frame set 3 is in the unfolded state so that the child product is switched to a child stroller mode.

[0087] In the child stroller mode, when the child safety seat body 200 is separated from the base set 2, the child safety seat body 200 can be converted to be used independently as a basket or be connected to a safety seat base to be correspondingly restrained on a car seat.

[0088] Since the base set in the present application can be selected to be connected with the seat frame to switch the child product to the simple baby stroller mode, and can also be selected to be connected with the child safety seat body to switch the child product to the child stroller mode, and the child safety seat body is separated from the base set in the child stroller mode to convert the child safety seat body to be used independently as a basket or be connected to a safety seat base to be restrained on a car seat, the present application can be switched to the corresponding use mode according to different use scenarios, has the characteristics of quick switching, multifunction, strong applicability and convenient carrying, and also has the characteristics of simple structure and overall lightweight.

[0089] The base set 2 in the present scheme two adopts a lightweight structure and can be integrally injection molded, which cannot meet the structural strength requirements of the child safety seat base.

[0090] As shown in Figures 15-17, in order to facilitate transportation and packaging, when the child product is switched to the simple baby stroller mode, the seat frame 100 and the frame set 3 can be folded relative to the base set 2, and the upper surface of the base set 2 is provided with a cavity for accommodating the seat frame 100, so that the seat frame 100 can be placed in the cavity after being folded, making the folding structure more compact.

[0091] As shown in FIGS. 15-17, in order to lock reliably, the seat frame 100 comprises a seat plate 110 detachably connected with the base set 2 and a back plate 120 rotatably connected with the rear end of the seat plate 110, and a back plate locking mechanism 130 is arranged between the back plate 120 and the seat plate 110 for locking the back plate 120 relative to the seat plate 110. As shown in FIG. 16, the back plate locking mechanism 130 comprises a backrest blocking part arranged at the lower end of the back plate 120, when the back plate 120 is flipped backward to the unfolded use state relative to the seat plate 110, the backrest blocking part abuts against the rear end of the seat plate 110 to block and limit the back plate 120 from continuously flipping backward relative to the seat plate 110, and has the characteristics of reasonable and simple structure.

[0092] As shown in FIGS. 15 and 16, in order to better lock the seat frame 100 relative to the base set, a seat frame locking mechanism 300 for locking the seat frame 100 relative to the base set 2 is arranged between the seat frame 100 and the base set 2, the seat frame locking mechanism 300 comprises a seat frame locking hole 310 arranged on the base set 2 and a seat frame locking tongue 320 elastically and slidably arranged on the seat frame 100 and insertable into the seat frame locking hole 310.

[0093] As shown in FIGS. 18 and 19, in order to better lock the child safety seat body 200 relative to the base set, a seat body locking mechanism 400 for locking the child safety seat body 200 relative to the base set 2 is arranged between the child safety seat body 200 and the base set 2. The seat body locking mechanism 400 comprises a seat body locking hole 410 arranged on the base set 2 and a seat body locking tongue 420 slidably arranged on the child safety seat body 200 and insertable into the seat body locking hole 410 to lock the child safety seat body 200 relative to the base set, and a seat body locking reset member 430 is arranged between the seat body locking tongue 420 and the child safety seat body 200 for automatically resetting the seat body locking tongue 420. In order to be convenient to unlock, a seat body unlocking member is movably arranged on the child safety seat body 200, and the seat body unlocking member is connected with the corresponding seat body locking tongue 420 through a seat body unlocking pull rope.

[0094] In the second scheme, the frame set, connecting rod and other related structures can adopt the structures of the first scheme, which will not be described here.

Claims

1. A multifunctional children's product with convenient use, the children's product having a first use state, a second use state, and a third use state, characterized in that... include: Seating group (1), the seating group (1) is for infants and young children to ride in; The base assembly (2) is used to connect to and support the seat assembly (1), and the two are detachably connected. The frame assembly (3) is detachably connected to the base assembly (2), and the frame assembly (3) has an unfolded use state and a folded use state relative to the base assembly (2); The first usage state is the stroller usage state. In the stroller usage state, the seat group (1) is connected to the base group (2) and the frame group (3) is in the unfolded usage state. The second usage state is the child safety seat usage state. In the child safety seat usage state, the seat assembly (1) is connected to the base assembly (2) and the frame assembly (3) is in the folded usage state. The base assembly (2) can be constrained and connected to the car seat accordingly. In the third usage state, the seat assembly (1) is separated from the base assembly (2), and the seat assembly (1) can be used independently as a basket. The seat assembly (1) is configured to be connected to the base assembly (2) facing forward or backward in a first use state and a second use state.

2. The multifunctional children's product with ease of use according to claim 1, characterized in that... It also includes a base height adjustment mechanism for adjusting the height of the base assembly (2) in the second use state.

3. The multifunctional children's product with ease of use according to claim 1, characterized in that... It also includes a connecting rod (4) whose end is rotatably connected to the seat assembly (1) or the base assembly (2). In the first use state, the connecting rod (4) can be used as a push rod for a stroller. In the second use state, the connecting rod (4) is folded and close to the seat assembly (1) or the base assembly (2).

4. A multifunctional children's product with ease of use according to any one of claims 1-3, characterized in that... The frame assembly (3) includes a front leg assembly (31) and a rear leg assembly (32) both connected to wheelsets at their lower ends. The middle part of the front leg assembly (31) is rotatably connected to the base assembly (2), and the upper end of the front leg assembly (31) is rotatably connected to the upper end of the rear leg assembly (32). The base assembly (2) is rotatably provided with a joint assembly (33), and the upper part of the rear leg assembly (32) is slidably connected to the joint assembly (33) and can drive the joint assembly (33) to rotate relative to the base assembly (2). A frame locking mechanism (34) is provided between the frame assembly (3) and the base assembly (2) for locking the frame assembly (3) relative to the base assembly (2). When the children's product is in its first use state, the front foot assembly (31) and the rear foot assembly (32) are locked relative to the base assembly (2) by the frame locking mechanism (34) and remain in an unfolded use state to support the ground; During the process of switching the children's product to the second use state, the front foot component (31) folds backward relative to the base group (2), and the upper end of the rear foot component (32) rotates and slides forward relative to the base group (2) so that the lower ends of the front foot component (31) and the rear foot component (32) are folded to the rear side of the base group (2).

5. The multifunctional children's product with ease of use according to claim 4, characterized in that... The frame locking mechanism (34) includes a frame locking hole (341) on the front foot assembly (31) and a frame locking rod (342) slidably disposed on the base assembly (2) and insertable into the frame locking hole (341) to lock the front foot assembly (31) relative to the base assembly (2). A frame locking rod reset member (343) is provided between the frame locking rod (342) and the base assembly (2) for driving the frame locking rod (342) to elastically reset.

6. A multifunctional children's product with ease of use according to any one of claims 1-3, characterized in that... The seat assembly (1) and the base assembly (2) are provided with a seat engagement mechanism (5) for detachably engaging the seat assembly (1) onto the base assembly (2); the seat engagement mechanism (5) includes a support seat (51) provided on the base assembly (2), the upper part of the support seat (51) is provided with a guide slot (52) for engaging the seat fixing rod (10) of the seat assembly (1), and the support seat (51) is pivotally connected with a hook (53) for engaging and locking the seat fixing rod (10) in cooperation with the guide slot (52).

7. A multifunctional children's product with ease of use according to claim 6, characterized in that... The hook (53) has a first use state and a second use state. In the first use state, the hook (53) cooperates with the guide slot (52) to lock the seat fixing rod (10). In the second use state, the hook (53) opens relative to the guide slot (52) and is restricted from rotation and locked. The seat locking mechanism (5) further includes a hook linkage mechanism (54) located between the support base (51) and the hook (53). The hook linkage mechanism (54) is configured to release the locking action of the hook (53) when the seat assembly (1) and the base assembly (2) are connected and engaged, thereby changing from the second use state to the first use state.

8. A multifunctional children's product with ease of use according to claim 7, characterized in that... The seat engagement mechanism (5) further includes a safety locking mechanism (55), which is configured to lock the hook linkage mechanism (54) when the seat assembly (1) and the base assembly (2) are connected and engaged to allow the hook (53) to enter the first use state.

9. A multifunctional children's product with ease of use according to claim 7, characterized in that... The hook (53) is configured to have a rotational tendency to maintain elastic reset towards the guide slot (52), and the hook linkage mechanism (54) is also configured to keep the seat fixing rod (10) locked or to maintain a tendency to lock the seat fixing rod (10) when the seat assembly (1) is connected to the base assembly (2) or has not disengaged from the guide slot (52).

10. A multifunctional children's product with ease of use according to claim 8, characterized in that... The hook linkage mechanism (54) includes a trigger linkage component (541), a trigger elastic component (542), and a linkage seat (543). The trigger linkage (541) is movably mounted on the support base (51) and configured to be actuated by the seat assembly (1) when the seat assembly (1) is connected to the base assembly (2); The triggering elastic element (542) is located between the triggering linkage element (541) and the support base (51) to drive the triggering linkage element (541) to automatically reset; The linkage seat (543) is movably located between the trigger linkage member (541) and the latch (53). A linkage seat limiting component (544) for limiting the movement of the linkage seat (543) is provided between the linkage seat (543) and the trigger linkage member (541). The linkage seat limiting component (544) is configured to release the limiting of the linkage seat (543) when the trigger linkage member (541) is abutted by the seat group (1). A latch linkage component (545) for linking the corresponding rotation action of the latch (53) is provided between the linkage seat (543) and the latch (53). The safety locking mechanism (55) is located between the trigger linkage (541) and the linkage seat (543).

11. A multifunctional children's product with ease of use according to claim 10, characterized in that... The trigger linkage (541) is slidably mounted on the support base (51), and the linkage base (543) is slidably located between the trigger linkage (541) and the hook (53). The linkage seat limiting assembly (544) includes a linkage seat limiting vertical groove (5441) provided on the trigger linkage member (541) or linkage seat (543) and a linkage seat limiting rod (5442) provided on the linkage seat (543) or trigger linkage member (541) and limitedly cooperated with the linkage seat limiting vertical groove (5441). The trigger linkage member (541) or linkage seat (543) is also provided with a linkage seat horizontal groove (5443) that communicates with the linkage seat limiting vertical groove (5441) and allows the linkage seat limiting rod (5442) to move within it. The hook linkage assembly (545) includes a hook linkage vertical groove (5451) provided on the linkage seat (543) or the hook (53) and a hook linkage rod (5452) provided on the hook (53) or the linkage seat (543) and limitedly cooperated with the hook linkage vertical groove (5451). The safety locking mechanism (55) is formed by the corresponding side wall of the linkage seat transverse groove (5443) for limiting and cooperating with the linkage seat limit rod (5442) to prevent the trigger linkage (541) from sliding upward and resetting.

12. A multifunctional children's product with ease of use according to any one of claims 6-11, characterized in that... The base assembly (2) is movably provided with a hook unlocking mechanism (56) that can be automatically reset. The hook unlocking mechanism (56) is configured to simultaneously open each hook (53) relative to the corresponding guide slot (52) to release the locking action of the seat fixing rod (10). When the seat assembly (1) is connected to the base assembly (2), releasing the hook unlocking mechanism (56) will cause each hook (53) to automatically return to locking the seat fixing rod (10).

13. The multifunctional children's product with ease of use according to claim 12, characterized in that... The hook unlocking mechanism (56) includes a hook unlocking linkage frame (561) movably placed on the base assembly (2). The hook unlocking linkage frame (561) is connected to hooks (53) on the support seats (51) located at the front and rear of the base assembly (2). A hook unlocking elastic element (562) for driving the hook unlocking linkage frame (561) to automatically reset is provided between the hook unlocking linkage frame (561) and the base assembly (2).

14. A multifunctional children's product that is easy to use, characterized in that... include: Seat frame (100) for use by infants and young children, the seat frame (100) being configured to have a five-point safety harness and to be rotatable, foldable and unfoldable; Child safety seat body (200), said child safety seat body (200) is used for infants and young children to ride in; The base assembly (2) is configured to be selectively and detachably connected to the seat frame (100) or the child safety seat body (200); The frame assembly (3) is connected to the base assembly (2), and the frame assembly (3) has an unfolded use state and a folded use state relative to the base assembly (2); When the base assembly (2) is connected to the seat frame (100), the seat frame (100) and the frame assembly (3) are in an unfolded state, so that the children's product is switched to a simple stroller mode. When the base assembly (2) is connected to the child safety seat body (200), the frame assembly (3) is in the unfolded state, thereby switching the child product to the stroller mode; In stroller mode, when the child safety seat body (200) is separated from the base assembly (2), the child safety seat body (200) can be converted into a carrier for independent use or connected to the safety seat base and thus restrained to the car seat.

15. A multifunctional children's product with ease of use according to claim 14, characterized in that... When the children's product is switched to the simple stroller mode, the seat frame (100) and the frame assembly (3) can be folded up relative to the base assembly (2).

16. A multifunctional children's product with ease of use according to claim 15 or 16, characterized in that... The seat frame (100) includes a seat plate (110) detachably connected to the base assembly (2) and a back plate (120) rotatably connected to the rear end of the seat plate (110). A back plate locking mechanism (130) is provided between the back plate (120) and the seat plate (110) for locking the back plate (120) relative to the seat plate (110).

17. A multifunctional children's product with ease of use according to claim 14, characterized in that... A seat frame locking mechanism (300) for locking the seat frame (100) relative to the base group (2) is provided between the seat frame (100) and the base group (2). The seat frame locking mechanism (300) includes a seat frame locking hole (310) provided on the base group (2) and a seat frame locking tongue (320) that is elastically slidably provided on the seat frame (100) and can be inserted into the seat frame locking hole (310); or a seat body locking mechanism (400) for locking the child safety seat body (200) relative to the base group (2) is provided between the child safety seat body (200) and the base group (2).

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