CN115123365B

CN115123365B - Child article

Info

Publication number: CN115123365B
Application number: CN202210587081.4A
Authority: CN
Inventors: 吉跃; 胡秉楠
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2023-12-29
Anticipated expiration: 2042-05-26
Also published as: CN115123365A

Abstract

The invention discloses a child product, which comprises an upper enclosing frame, a lower enclosing frame, a supporting frame and a locking mechanism, wherein the upper enclosing frame comprises a first upper enclosing frame and a second upper enclosing frame which are respectively arranged at the upper part of the supporting frame in a relatively rotatable manner, the lower enclosing frame comprises a first lower enclosing frame and a second lower enclosing frame which are respectively arranged on the supporting frame in a relatively slidable manner along the up-down direction, the child product also comprises a first connecting rod which is rotationally arranged between the lower part of the supporting frame and the first lower enclosing frame and a second connecting rod which is rotationally arranged between the lower part of the supporting frame and the second lower enclosing frame, when the child product is in a folded state, the first upper enclosing frame, the first lower enclosing frame, the supporting frame, the second lower enclosing frame and the second upper enclosing frame extend along the up-down direction and are mutually folded along the front-back direction, the structure is flat and compact in the folded state, the folding operation is relatively simple and convenient.

Description

Child article

Technical Field

The present invention relates to a collapsible child product.

Background

Some children articles such as children seat pocket, crib, children's trailer now, it has and encloses the frame with enclose the frame down along going up and down that the orientation interval set up, go up and enclose the frame and enclose down and form the accommodation space that can bear children between the frame, among the prior art, for making above-mentioned children articles more convenient when folding, then set up a lot of gangbar mechanisms at last enclosing between frame and the frame down to simplify the step of folding up, but can cause children articles's member quantity to increase and the structure complicacy like this, and folding operation complicacy scheduling problem.

Disclosure of Invention

It is an object of the present invention to provide a child product that solves one or more of the problems of the prior art.

In order to achieve the above purpose, the invention adopts the following technical scheme: a child product having an expanded state and a folded state, the child product including upper and lower peripheral frames each extending in a front-rear direction in the expanded state, a support frame extending in an up-down direction, and a locking mechanism for locking the child product in the expanded state, the upper peripheral frame including first and second upper peripheral frames, a rear portion of the first upper peripheral frame and a front portion of the second upper peripheral frame being respectively rotatably provided at an upper portion of the support frame; the lower frame comprises a first lower frame and a second lower frame, the rear parts of the first lower frame and the front parts of the second lower frame can rotate relatively and slide relatively along the up-down direction, the child product further comprises a first connecting rod and a second connecting rod, the first connecting rod is rotationally arranged between the lower part of the support frame and the first lower frame, the second connecting rod is rotationally arranged between the lower part of the support frame and the second lower frame, and when the child product is in a folded state, the first upper frame, the first lower frame, the support frame, the second lower frame, the second upper frame and the second upper frame extend along the up-down direction and are mutually folded along the front-back direction.

Preferably, the lower enclosure frame further comprises a sliding part, the sliding part can be relatively arranged on the support frame in a sliding manner along the up-down direction, the rear part of the first lower enclosure frame and the front part of the second lower enclosure frame are respectively and rotatably connected with the sliding part, when the child product is in an unfolding state, the sliding part is positioned at the lower part of the support frame, and the first lower enclosure frame is connected with the second lower enclosure frame along the front-back direction or the first lower enclosure frame, the sliding part and the second lower enclosure frame are sequentially connected along the front-back direction; when the child product is in a folded state, the sliding piece is located on the upper portion of the supporting frame, and the first lower surrounding frame and the second lower surrounding frame are respectively folded on the front side and the rear side of the supporting frame.

Further, the rotation connection position between the first connecting rod and the support frame, the rotation connection position between the second connecting rod and the support frame are located below the sliding piece in the height extension direction of the support frame, when the child product is in a folded state, the first connecting rod is folded between the first lower surrounding frame and the support frame, and the second connecting rod is folded between the second lower surrounding frame and the support frame.

Further, the locking mechanism comprises an upper locking component for locking the first upper surrounding frame, the second upper surrounding frame and the supporting frame relatively, and a lower locking component for locking the sliding piece relatively to the supporting frame, wherein the upper locking component and the lower locking component are arranged in a linkage unlocking manner.

Further, the support frame comprises two support rods which are respectively arranged at the left side and the right side and extend along the up-down direction, the first upper surrounding frame is provided with two first upper surrounding rods which are respectively arranged at the left side and the right side and extend along the front-back direction, and the second upper surrounding frame is provided with two second upper surrounding rods which are respectively arranged at the left side and the right side and extend along the front-back direction; the first lower surrounding frame is provided with first lower surrounding rods which are respectively arranged at the left side and the right side and extend along the front-back direction, the second lower surrounding frame is provided with two second lower surrounding rods which are respectively arranged at the left side and the right side and extend along the front-back direction, the rear part of the first upper surrounding rod, the front part of the second upper surrounding rod and the upper part of the supporting rod are connected in a rotating way, and a third party is connected with one of the two in a rotating way, or the rear part of the first upper surrounding rod, the front part of the second upper surrounding rod and the upper part of the supporting rod are connected together in a rotating way around the same rotation center line; the support rods on each side are respectively provided with a group of sliding parts, and the rear part of each first lower surrounding rod and the front part of each second lower surrounding rod are respectively and rotatably connected with the sliding parts.

In some embodiments, the locking mechanism includes two sets of upper locking assemblies respectively arranged on the left and right sides and used for locking the rear part of the first upper surrounding rod, the front part of the second upper surrounding rod and the upper part of the supporting rod on the side, and two sets of lower locking assemblies respectively arranged on the left and right sides and used for locking the sliding piece on the side relative to the supporting rod.

In some embodiments, the upper locking assembly and the lower locking assembly on the left and right sides are arranged in a linkage unlocking manner, a cross rod extending along the left and right directions is fixedly arranged between the sliding parts on the two sides, and an unlocking operation piece for unlocking the lower locking assemblies on the two sides is arranged on the cross rod.

In some embodiments, the upper locking assembly includes an upper locking member slidably disposed at an upper portion of the support bar in an up-down direction, the upper locking member having a first position and a second position above the first position on the support bar, the upper locking assembly being in a locked state, the upper locking member being in the first position; the upper locking component is in the unlocking state, the upper locking piece is positioned at the second position, and an upper elastic piece which provides acting force required by upward movement of the upper locking piece relative to the supporting rod is arranged between the supporting rod and the upper locking piece;

the lower locking assembly comprises a lower locking piece which can be arranged on the sliding piece in a relatively sliding manner along the length extending direction of the transverse rod, a matching piece which is used for being matched and locked with the lower locking piece, a lower elastic piece which provides acting force required by upward movement of the matching piece, and a pulling piece which is connected between the upper locking piece and the matching piece, when the lower locking piece is matched with the matching piece, the lower locking assembly is in a locking state, the sliding piece and the supporting rod are mutually locked, and the upper locking piece is in the first position so that the upper locking assembly is in a locking state; when the lower locking piece is disengaged from the matching piece, the lower locking component is in an unlocking state, the sliding piece and the supporting rod can slide relatively, the matching piece moves upwards relative to the supporting rod, and the upper locking piece moves upwards relative to the supporting rod and is converted from the first position to the second position so that the upper locking component is converted into the unlocking state.

In some embodiments, the unlocking pieces for unlocking the upper locking assemblies are arranged on the upper portion of each support rod, after the upper locking assemblies on the two sides are unlocked, the first upper surrounding frame and the second upper surrounding frame are respectively rotated and folded relative to the support frame, the lower locking assemblies on the two sides are in linkage unlocking, and the lifting pieces extending along the left-right direction are further connected between the sliding pieces on the two sides.

In some embodiments, the child product is a stroller, and the child product further includes a front wheel assembly disposed at a front portion of the first lower frame bottom, and a rear wheel assembly disposed at a rear portion of the second lower frame bottom, where the front wheel assembly and the rear wheel assembly are close to each other in a front-rear direction, or the front wheel assembly is turned over until a front wheel shaft thereof extends in an up-down direction, and the front wheel assembly is folded under the rear wheel assembly.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the foldable children article has the advantages of small number of rods, simple structure, smooth and compact structure and small volume occupation, and the first upper surrounding frame, the first lower surrounding frame, the supporting frame, the second lower surrounding frame and the second upper surrounding frame extend in the up-down direction and are mutually folded in the front-back direction in the folded state.

Further, when the child product is folded, the whole folding operation can be completed only by one step or two steps, and the folding operation is relatively simple and convenient.

Drawings

Fig. 1 is a schematic perspective view of a stroller in an unfolded state according to embodiment 1 of the present invention;

FIG. 2 is a schematic side elevational view of the stroller of FIG. 1;

FIG. 3 is a schematic perspective view of the stroller of FIG. 1 during folding;

FIG. 4 is a schematic side elevational view of the stroller of FIG. 3;

FIG. 5 is a schematic perspective view of the stroller of FIG. 1 in a folded configuration;

FIG. 6 is a schematic side elevational view of the stroller of FIG. 5;

FIG. 7 is a schematic view of a connection structure between the upper latch assembly and the lower latch assembly in the stroller of FIG. 1, wherein the upper latch assembly and the lower latch assembly are both in a latched state;

FIG. 8 is a schematic view of a connection structure between the upper latch assembly and the lower latch assembly in the stroller of FIG. 1, wherein the upper latch assembly and the lower latch assembly are both in an unlocked state;

FIG. 9 is an exploded view of the latch assembly of the stroller of FIG. 1;

FIG. 10 is an exploded view of the lower latch assembly of the stroller of FIG. 1;

FIG. 11 is a schematic perspective view of the child car according to embodiment 2 of the present invention in an unfolded state;

FIG. 12 is a schematic side elevational view of the stroller of FIG. 11;

FIG. 13 is a schematic perspective view of the stroller of FIG. 11 during folding;

FIG. 14 is a schematic side elevational view of the stroller of FIG. 13;

FIG. 15 is a schematic perspective view of the stroller of FIG. 11 in a folded configuration;

FIG. 16 is a schematic side elevational view of the stroller of FIG. 15;

wherein: 1. an upper surrounding frame; 11. a first upper enclosure frame; 111. a first upper surrounding rod; 112. a first upper cross bar; 12. a second upper enclosure frame; 121. a second upper surrounding rod; 122. a second upper cross bar;

2. a lower surrounding frame; 21. a first lower enclosure frame; 211. a first lower surrounding rod; 212. a first lower cross bar; 22. a second lower enclosure; 221. a second lower enclosing rod; 222. a second bottom rail; 23. a slider; 231. a connection part; 232. a sliding sleeve part; 233. a sleeve portion; 234. a clamping groove;

3. a support frame; 31. a support rod; 32. a lower elastic member; 33. a pulling member; 34. an upper elastic member; 3a, connecting lugs;

4. a first link; 5. a second link; 6. a cross bar;

7. unlocking the operating member; 71. a traction cable;

8. an upper locking assembly; 81. an upper locking member; 81a, a lock pin seat; 81b, locking pins;

9. a lower locking assembly; 91. a lower locking member; 92. a mating member;

10. a front wheel assembly; 20. and a rear wheel assembly.

Detailed Description

The technical scheme of the invention is further described below with reference to the attached drawings and specific embodiments.

The following descriptions of the front, rear, left, right, up, down, etc. orientations are defined with reference to the orientations that a child observes when using the child's article, only for the purpose of more clearly explaining the relative positional relationships of the components.

Example 1

Referring to the child product shown in fig. 1 to 10, in particular, a child carrier having an unfolded state and a folded state, the child carrier including an upper peripheral frame 1 and a lower peripheral frame 2 each extending in a front-rear direction in the unfolded state, a support frame 3 extending in an up-down direction, and a locking mechanism for locking the child carrier in the unfolded state, wherein the upper peripheral frame 1 includes a first upper peripheral frame 11 and a second upper peripheral frame 12, and a rear portion of the first upper peripheral frame 11 and a front portion of the second upper peripheral frame 12 are respectively rotatably provided at an upper portion of the support frame 3; the lower frame 2 includes a first lower frame 21 and a second lower frame 22, and the rear part of the first lower frame 21 and the front part of the second lower frame 22 are provided on the support frame 3 so as to be rotatable relative to each other and slidable relative to each other in the up-down direction. The stroller further comprises a first link 4 and a second link 5, the first link 4 being rotatably connected between the lower part of the support frame 3 and the first lower peripheral frame 21, the second link 5 being rotatably connected between the lower part of the support frame 3 and the second lower peripheral frame 22. The stroller further comprises two sets of front wheel assemblies 10 disposed on the left and right sides of the bottom front portion of the first lower peripheral frame 21, and two sets of rear wheel assemblies 20 disposed on the left and right sides of the bottom rear portion of the second lower peripheral frame 22.

Referring to fig. 1 to 10, the lower frame 2 further includes a slider 23 provided on the support frame 3 so as to be relatively slidable in the up-down direction, and a rear portion of the first lower frame 21 and a front portion of the second lower frame 22 are rotatably connected to the slider 23, respectively. The lower peripheral frame 2 may be specifically configured in a similar manner to the present embodiment, in which the rear portion of the first lower peripheral frame 21 is rotatably connected to the front portion of the sliding member 23 and the front portion of the second lower peripheral frame 22 is rotatably connected to the rear portion of the sliding member 23, so that the first lower peripheral frame 21, the sliding member 23 and the second lower peripheral frame 22 are sequentially connected from front to back and extend along the same length direction when the stroller is in the unfolded state; in other embodiments, the rear portion of the first lower enclosure frame 21 and the front portion of the second lower enclosure frame 22 may be rotatably connected with the sliding member 23 around the same rotation center line, so that the first lower enclosure frame 21 and the second lower enclosure frame 22 are connected in the front-rear direction when the stroller is in the unfolded state.

The rotational connection position between the first link 4 and the support frame 3 and the rotational connection position between the second link 5 and the support frame 3 are located below the slider 23 in the height extending direction of the support frame 3. The locking mechanism comprises an upper locking component 8 for locking the first upper surrounding frame 11, the second upper surrounding frame 12 and the supporting frame 3 relatively, and a lower locking component 9 for locking the sliding piece 23 on the supporting frame 3, wherein the upper locking component 8 and the lower locking component 9 are arranged in a linkage unlocking way.

Referring to the drawings, in the present embodiment, the support frame 3 includes two support rods 31 which are provided separately on both sides and extend in the up-down direction; the first upper enclosure frame 11, the second upper enclosure frame 12, the first lower enclosure frame 21 and the second lower enclosure frame 22 are all U-shaped frames, specifically, the first upper enclosure frame 11 is provided with two first upper enclosure rods 111 which are respectively arranged at the left side and the right side and extend along the front-back direction, and a first upper cross rod 112 which is fixedly arranged between the front parts of the first upper enclosure rods 111 at the two sides; the second upper surrounding frame 12 is provided with two second upper surrounding rods 121 which are respectively arranged at the left side and the right side and extend along the front-back direction, and a second upper cross rod 122 which is fixedly arranged between the rear parts of the second upper surrounding rods 121 at the two sides; the first lower enclosure frame 21 has two first lower enclosure bars 211 respectively arranged on the left and right sides and extending along the front-rear direction, and a first lower cross bar 212 fixedly arranged between the front parts of the first lower enclosure bars 211 on the two sides; the second lower surrounding frame 22 has two second lower surrounding rods 221 respectively arranged at the left and right sides and extending along the front and rear directions, and a second lower cross rod 222 fixedly arranged between the rear parts of the second lower surrounding rods 221 at the two sides, and the sliding parts 23 have two groups respectively arranged at the left and right sides.

On each of the left and right sides of the stroller, the rear portion of the first upper rail 111, the front portion of the second upper rail 121, and the upper portion of the support bar 31 are rotatably connected to each other, specifically, two of the rear portion of the first upper rail 111, the front portion of the second upper rail 121, and the upper portion of the support bar 31 are rotatably connected to each other and a third one of the two is rotatably connected to each other, or the three are rotatably connected together about the same rotation center line. The rear portion of the first lower rail 211 is rotatably coupled to the front portion of the slider 23, the front portion of the second lower rail 221 is rotatably coupled to the rear portion of the slider 23, and the slider 23 is slidably disposed on the support bar 31.

A group of first connecting rods 4 and second connecting rods 5 are arranged on each side of the left and right sides, connecting lugs 3a are arranged on the front side and the rear side of the lower end part of the supporting rod 31, the rear end part of the first connecting rod 4 is rotationally connected to the connecting lugs 3a on the front side, and the front end part of the second connecting rod 5 is rotationally connected to the connecting lugs 3a on the rear side. The sliding member 23 includes a connecting portion 231 disposed at an upper portion and extending in a left-right direction, and a sliding sleeve portion 232 disposed at a lower portion of the connecting portion 231, wherein a rear portion of the first lower rail 211 and a front portion of the second lower rail 221 are rotatably connected to front and rear end portions of the connecting portion 231, respectively, and the sliding sleeve portion 232 is slidably sleeved on the supporting rod 31. The sliding sleeve portion 232 is further provided with a clamping groove 234 on both front and rear sides, and the two sets of connecting lugs 3a can be correspondingly and cooperatively inserted into the clamping grooves 234 on both sides, so that limiting of downward movement of the sliding piece 23 is formed when the stroller is in a unfolded state.

The upper locking assembly 8 has two groups disposed on the left and right sides for locking the rear portion of the first upper rail 111, the front portion of the second upper rail 121, and the upper portion of the support bar 31 on the same side, and the lower locking assembly 9 has two groups disposed on the left and right sides for locking the slider 23 on the same side with respect to the support bar 31, and is disposed in a interlocked and unlocked manner between the upper locking assembly 8 and the lower locking assembly 9 on the same side. A cross bar 6 extending in the left-right direction is fixedly provided between the slide pieces 23 on both sides, and an unlocking operation piece 7 for unlocking the lower lock assemblies 9 on both sides is provided on the cross bar 6.

Referring to fig. 7 and 8, the upper locking assembly 8 includes an upper locking member 81 slidably provided at an upper portion of the support rod 31 in an up-down direction, the upper locking member 81 having a first position a and a second position b above the first position a on the support rod 31, the upper locking member 81 being in the first position a when the upper locking assembly 8 is in a locked state; when the upper lock assembly 8 is in the unlocked state, the upper lock 81 is in the second position b. Referring specifically to fig. 7 to 9, the upper locking assembly 8 may specifically be a locking joint in which an arc-shaped slot (not shown) is provided on each of the existing rotation connection parts, and the upper locking member 81 includes a locking pin seat 81a slidably disposed in the rod cavity of the support rod 31 up and down, and a locking pin 81b fixedly disposed on the locking pin seat 81a, and when the locking pin 81b is disposed in the locking slot below the end of the arc-shaped slot, the upper locking member 81 cannot slide in the arc-shaped slot so that the upper locking assembly 8 is in a locked state; when the lock pin 81b moves upward into the arc groove to slide in the arc groove, the upper lock assembly 8 is switched to the unlock state.

Referring to fig. 7 to 10, the lower locking assembly 9 includes a lower locking member 91 slidably disposed on the sliding member 23 along the length extending direction of the cross bar 6, a mating member 92 for mating and locking with the lower locking member 91 is disposed on the supporting bar 31, the lower locking member 91 is specifically a lock pin, the mating member 92 is slidably disposed in the inner cavity of the supporting bar 31 along the up-down direction, and when the lower locking member 91 passes through the lock hole outside the supporting bar 31 and is mated with the mating member 92, the lower locking assembly 9 is switched to the locking state; after the lower lock 91 is disengaged from the mating member 92, the lower lock assembly 9 is switched to the unlocked state.

An upper elastic member 34 for providing a force required for the upward movement of the upper locking member 81 relative to the support rod 31 is further provided between the support rod 31 and the upper locking member 81, a lower elastic member 32 for providing a force required for the upward movement of the mating member 92 is further provided on the support rod 31, and a pulling member 33, specifically a pulling rope, is connected between the upper locking member 81 and the mating member 92.

Thus, when the lower locking member 91 is engaged with the engaging member 92, the lower locking assembly 9 is in the locked state, the sliding member 32 and the supporting rod 31 are locked with each other, and the upper elastic member 34 is in the tensioned state under the pulling action of the pulling member 33, so that the upper locking member 81 is in the first position a, thereby placing the upper locking assembly 8 in the locked state; when the lower locking member 91 is disengaged from the mating member 92, the lower locking assembly 9 is in an unlocked state, the sliding member 23 and the supporting rod 31 can slide relatively, the mating member 92 moves upward relative to the supporting rod 31 under the action of the lower elastic member 32, and the upper locking member 81 moves upward relative to the supporting rod 31 under the action of the upper elastic member 34 and is shifted from the first position a to the second position b so that the upper locking assembly 8 is automatically shifted to the unlocked state.

Referring to fig. 7 to 9, in the present embodiment, the unlocking operation member 7 is an unlocking button provided at a lower portion of the cross bar 6 so as to be relatively slidable in the up-down direction, and the unlocking buttons are each connected to lower locking pieces 91 at both sides by a pulling cable 71. The slider 23 further has a sleeve portion 233, and the end portion of the cross bar 6 is inserted into the sleeve portion 233 and fixed to the sleeve portion 233.

Thus, when the stroller of the present embodiment is folded, the operator can directly hold the cross bar 6 and hold the unlocking operation member 7 in a proper manner, so that the lower locking members 91 on both sides are disengaged from the engaging members 92 to unlock the lower locking assemblies 9 on both sides, and then pull the cross bar 6 upward, as shown in fig. 4 and 5, the sliding members 23 on both sides slide upward relative to the support bars 31, so that the first lower enclosure frame 21 and the second lower enclosure frame 22 are respectively folded and turned relative to the support frame 3. In the process, the upper locking assembly 8 is unlocked in a linkage way, and the first upper surrounding frame 11 and the second upper surrounding frame 12 respectively overturn downwards relative to the supporting frame 3 to be folded.

When the stroller is in a folded state, as shown in fig. 5 and 6, the sliding member 23 is converted from the lower portion of the support frame 3 to the upper portion of the support frame 3, the first upper enclosure frame 11, the first lower enclosure frame 21, the support frame 3, the second lower enclosure frame 22, and the second upper enclosure frame 12 all extend in the up-down direction and are folded in sequence in the front-back direction, that is, the first lower enclosure frame 21 and the second lower enclosure frame 22 are folded at the front-back sides of the support frame 3, the first upper enclosure frame 11 is folded at the front side of the first lower enclosure frame 21, the second upper enclosure frame 12 is folded at the rear side of the second lower enclosure frame 22, the first connecting rod 4 is folded between the first lower enclosure frame 21 and the support frame 3, and the second connecting rod 5 is folded between the second lower enclosure frame 22 and the support frame 3. The front wheel assembly 10 and the rear wheel assembly 20 are folded toward each other in the front-rear direction, and the two sets of front wheel assemblies 10 are folded between the two sets of rear wheel assemblies 20 in the left-right direction. Thus, the baby carrier can be folded in one step by only lifting the cross bar 6 and pressing the unlocking operation piece 7.

Example 2

The difference between this embodiment and embodiment 1 is that in this embodiment, the upper locking assembly 8 and the lower locking assembly 9 may not be unlocked in a linked manner, and two steps are required for folding. Specifically, the upper portion of the support bar 31 of each side is provided with an unlocking piece (not shown in the drawing) for unlocking the locking assembly 8 on the side, which unlocking piece may specifically be an unlocking button for unlocking the locking joint of the upper locking assembly 8 when pressed. A lifting member (shown in the figure) extending in the left-right direction is further connected between the sliding members 23 on both sides, and the lifting member may specifically be an unlocking handle for synchronously unlocking the lower locking assemblies 9 on both sides during lifting.

When the baby carrier is folded, the unlocking pieces at the two sides are operated to unlock the upper locking assemblies 8 at the two sides, and the first upper surrounding frame 11 and the second upper surrounding frame 12 automatically rotate and fold relative to the supporting frame 3 under the action of self gravity, as shown in fig. 13 and 14; then, the operator lifts the lifting piece below, the lower locking assemblies 9 at the two sides are unlocked firstly in the lifting process, and then the sliding pieces 23 at the two sides are driven to respectively slide upwards relative to the supporting rods 31, so that the first lower surrounding frame 21 and the second lower surrounding frame 22 respectively rotate relative to the supporting frames 3 to be folded, and the folding of the baby carrier is realized.

In this embodiment, after the first lower peripheral frame 21 and the second lower peripheral frame 22 are folded in the front-rear direction, the two sets of front wheel assemblies 10 are turned over respectively to extend their respective front wheel shafts in the up-down direction, and the front wheel assemblies 10 are folded and supported below the rear wheel assemblies 20, so that the folded structure of the stroller is smoother and more compact, as shown in fig. 15 and 16.

Example 3

Not shown, the child product is embodied as a child seat pocket or a child's bed, which omits the front wheel assembly 10 and the rear wheel assembly 20 on the basis of fig. 1 to 10 or fig. 11 to 16. The folding operation is similar to that of embodiment 1 or 2, and will not be described here.

The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and to implement the same, but are not intended to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.

Claims

1. A child product having an expanded state and a collapsed state, characterized by: the child product comprises an upper surrounding frame, a lower surrounding frame and a supporting frame, wherein the upper surrounding frame and the lower surrounding frame extend along the front-back direction respectively in an unfolding state, the supporting frame extends along the up-down direction, the locking mechanism is used for locking the child product in the unfolding state, the upper surrounding frame comprises a first upper surrounding frame and a second upper surrounding frame, and the rear part of the first upper surrounding frame and the front part of the second upper surrounding frame are respectively arranged at the upper part of the supporting frame in a relatively rotatable manner; the lower frame comprises a first lower frame, a second lower frame and a sliding part, wherein the sliding part can be arranged on the support frame in a relatively sliding manner along the up-down direction, the rear part of the first lower frame and the front part of the second lower frame are respectively and rotatably connected with the sliding part, the children product further comprises a first connecting rod and a second connecting rod, the first connecting rod is rotatably arranged between the lower part of the support frame and the first lower frame, the second connecting rod is rotatably arranged between the lower part of the support frame and the second lower frame, when the children product is in a folded state, the first upper frame, the first lower frame, the first connecting rod, the support frame, the second connecting rod, the second lower frame and the second upper frame extend along the up-down direction and are mutually folded along the front-back direction, the locking mechanism comprises an upper locking component for locking the first upper frame, the second upper frame and the support frame, and a locking component for locking the relative support frame, and a lower locking component for locking the sliding component,

the sliding parts are provided with two groups which are respectively arranged at the left side and the right side, a cross rod or a lifting part which extends along the left-right direction is further arranged between the two groups of sliding parts, and the cross rod or the lifting part is driven to switch the child article from an unfolding state to a folding state when being lifted upwards.

2. The child product according to claim 1, wherein: when the child product is in the unfolded state, the sliding piece is positioned at the lower part of the supporting frame, and the first lower surrounding frame is connected with the second lower surrounding frame along the front-back direction or the first lower surrounding frame, the sliding piece and the second lower surrounding frame are sequentially connected along the front-back direction; when the child product is in a folded state, the sliding piece is located on the upper portion of the supporting frame, and the first lower surrounding frame and the second lower surrounding frame are respectively folded on the front side and the rear side of the supporting frame.

3. The child product according to claim 2, wherein: the first connecting rod and the rotating connection position between the support frames, the second connecting rod and the rotating connection position between the support frames are all located below the sliding piece in the height extending direction of the support frames, when the child product is in a folded state, the first connecting rod is folded between the first lower enclosing frame and the support frames, and the second connecting rod is folded between the second lower enclosing frame and the support frames.

4. The child product according to claim 2, wherein: the upper locking component and the lower locking component are arranged in a linkage unlocking way.

5. The child product according to claim 2, wherein: the support frame comprises two support rods which are respectively arranged at the left side and the right side and extend along the up-down direction, the first upper surrounding frame is provided with two first upper surrounding rods which are respectively arranged at the left side and the right side and extend along the front-back direction, and the second upper surrounding frame is provided with two second upper surrounding rods which are respectively arranged at the left side and the right side and extend along the front-back direction; the first lower surrounding frame is provided with first lower surrounding rods which are respectively arranged at the left side and the right side and extend along the front-back direction, the second lower surrounding frame is provided with two second lower surrounding rods which are respectively arranged at the left side and the right side and extend along the front-back direction, the rear part of the first upper surrounding rod, the front part of the second upper surrounding rod and the upper part of the supporting rod are connected in a rotating way, and a third party is connected with one of the two in a rotating way, or the rear part of the first upper surrounding rod, the front part of the second upper surrounding rod and the upper part of the supporting rod are connected together in a rotating way around the same rotation center line; the support rods on each side are respectively provided with a group of sliding parts, and the rear part of each first lower surrounding rod and the front part of each second lower surrounding rod are respectively and rotatably connected with the sliding parts.

6. The child product according to claim 5, wherein: the locking mechanism comprises two groups of upper locking assemblies which are respectively arranged on the left side and the right side and used for mutually locking the rear part of the first upper surrounding rod, the front part of the second upper surrounding rod and the upper part of the supporting rod, and two groups of lower locking assemblies which are respectively arranged on the left side and the right side and used for locking the sliding piece on the side relative to the supporting rod.

7. The child product according to claim 6, wherein: the upper locking components and the lower locking components in the left side and the right side are arranged in a linkage unlocking manner, a cross rod extending along the left-right direction is fixedly arranged between the sliding parts on the two sides, and an unlocking operation piece used for unlocking the lower locking components on the two sides is arranged on the cross rod.

8. The child product according to claim 7, wherein: the upper locking component comprises an upper locking piece which is arranged at the upper part of the supporting rod in a sliding way along the up-down direction, the upper locking piece is provided with a first position and a second position which is positioned above the first position on the supporting rod, the upper locking component is in a locking state, and the upper locking piece is positioned at the first position; the upper locking component is in an unlocking state, the upper locking piece is positioned at the second position, and an upper elastic piece which provides acting force required by upward movement of the upper locking piece relative to the supporting rod is arranged between the supporting rod and the upper locking piece;

the lower locking component comprises a lower locking piece which can be arranged on the sliding piece in a relative sliding way along the length extending direction of the transverse rod, a matching piece which is used for being matched and locked with the lower locking piece, a lower elastic piece which provides acting force required by the upward movement of the matching piece, and a traction piece which is connected between the upper locking piece and the matching piece,

when the lower locking piece is matched with the matching piece, the lower locking component is in a locking state, the sliding piece and the supporting rod are mutually locked, and the upper locking piece is in the first position so that the upper locking component is in a locking state;

when the lower locking piece is disengaged from the matching piece, the lower locking component is in an unlocking state, the sliding piece and the supporting rod can slide relatively, the matching piece moves upwards relative to the supporting rod, and the upper locking piece moves upwards relative to the supporting rod and is converted from the first position to the second position so that the upper locking component is converted into the unlocking state.

9. The child product according to claim 6, wherein: the upper portion of each side the bracing piece all is provided with and is used for making the side go up the unlocking piece of locking subassembly unblock, both sides go up after the locking subassembly unblock, first go up enclose the frame with the second go up enclose the frame respectively relative the support frame rotates the in-process of drawing in, both sides the locking subassembly is unlocked by the linkage down, both sides still be connected with between the slider along the left and right directions extension carry and draw the piece.

10. The child product according to any one of claims 1-9, wherein: the children's articles for use is the bassinet, children's articles for use still include the setting be in the anterior front wheel subassembly of first lower frame bottom, and locate the rear wheel subassembly of second lower frame bottom rear portion, the front wheel subassembly with the rear wheel subassembly is drawn close each other along the fore-and-aft direction, perhaps, the front wheel subassembly upset is to its front axle along upper and lower direction extension, just the front wheel subassembly draws in the below of rear wheel subassembly.