CN108216342B

CN108216342B - Baby carriage framework and folding baby carriage

Info

Publication number: CN108216342B
Application number: CN201810105592.1A
Authority: CN
Inventors: 郑振极
Original assignee: Zhongshan Baolong Baby Products Co ltd
Current assignee: Zhongshan Baolong Baby Products Co ltd
Priority date: 2018-01-31
Filing date: 2018-01-31
Publication date: 2023-09-08
Anticipated expiration: 2038-01-31
Also published as: CN108216342A

Abstract

The invention provides a baby carriage framework and a folding baby carriage, and belongs to the field of baby carriages. The stroller frame includes: an upper handle and a lower handle hinged with the upper handle; the locking mechanism is used for controlling the included angle between the upper handle and the lower handle; the support assembly, the back foot assembly, the front foot connecting piece, the two wing assemblies, one end of the two wing assemblies is hinged with the middle part of the support assembly; the middle part of the seat frame component is hinged with one end, far away from the supporting component, of the two wing components; and one end of the backrest component is rotationally connected with one end of the seat frame component, which is far away from the two wing components, and the backrest component is hinged with the lower handle. The baby carriage framework and the folding baby carriage can be folded by controlling the locking mechanism to be opened in the whole folding process, and the upper handle and the lower handle can be mutually rotated to be close to each other, so that the baby carriage framework is very convenient to use.

Description

Baby carriage framework and folding baby carriage

Technical Field

The invention relates to the field of strollers, in particular to a stroller framework and a folding stroller.

Background

The baby carriage is a bearing moving tool designed for babies, and is convenient for people to use when going out. The stroller frame generally has foldable convenience, and generally has a folding mechanism for folding the stroller into a smaller volume. However, the size of the conventional stroller is too large after the stroller is folded, and the folding mechanism has a complex structure, is not flexible to fold, is still inconvenient to carry, and causes trouble to users.

Disclosure of Invention

The invention provides a baby carriage framework, which aims to solve the problems of the baby carriage framework in the prior art;

the invention also provides a folding baby carriage, which aims to solve the problems of the folding baby carriage in the prior art.

The invention is realized in the following way:

a stroller frame comprising:

an upper handle and a lower handle hinged with the upper handle;

the locking mechanism is used for controlling the included angle between the upper handle and the lower handle;

the support assembly is characterized in that one end, close to the lower handle, of the upper handle is connected with a first connecting piece, and one end, far away from the upper handle, of the first connecting piece is connected with one end of the support assembly;

The rear foot assembly is hinged with the lower handle at one end, and the middle part of the rear foot assembly is hinged with the supporting assembly;

a front foot assembly, one end of which is hinged with the rear foot assembly;

the front foot connecting piece is hinged with the middle part of the front foot assembly, one end, close to the rear foot assembly, of the supporting assembly is connected with a second connecting piece, and one end, far away from the supporting assembly, of the second connecting piece is hinged with one end, far away from the front foot assembly, of the front foot connecting piece;

the two-wing assembly is hinged with one end of the supporting assembly at the middle part;

the middle part of the seat frame assembly is hinged with one end, far away from the supporting assembly, of the two wing assemblies;

the backrest assembly comprises a backrest body and a backrest connecting piece which are mutually hinged, the middle part of the backrest connecting piece is hinged with the lower handle, and one end, far away from the backrest body, of the backrest connecting piece is hinged with the seat frame assembly;

the blocking piece is connected with the rear foot assembly and is arranged on the rotating path of the backrest assembly and used for blocking the backrest assembly from rotating;

The backrest body is rotatably connected with the backrest connecting piece through the rotating mechanism, and the rotating mechanism is used for controlling the angle between the backrest body and the backrest connecting piece;

the rotating mechanism comprises:

the first rotating piece is provided with a first space, a fourth limiting part is arranged in the first space, and a first connecting end used for being connected with the backrest body is arranged on the first rotating piece;

the locking piece is at least partially positioned in the first space, the locking piece and the first rotating piece are connected in a sliding mode along the direction approaching to or separating from the first rotating piece, a fifth limiting part is arranged on the locking piece, and the fifth limiting part and the fourth limiting part are clamped to limit relative rotation between the first rotating piece and the locking piece;

the spring piece is connected with the locking piece and is used for providing elastic force for the locking piece far away from the first rotating piece;

the second rotating piece is in rotating connection with the first rotating piece, a second space is formed in the second rotating piece, the second space and the first space are oppositely arranged, a sixth limiting part is arranged in the second space and is used for being clamped with the fifth limiting part so as to limit relative rotation between the second rotating piece and the locking piece, and a second connecting end used for being connected with the backrest body is formed in the second rotating piece;

The back folding piece is provided with a third propping top surface, the second rotating piece is provided with a fourth propping top surface, the third propping top surface is propped against the fourth propping top surface, the third propping top surface and the fourth propping top surface can move relatively, and the back folding piece is controlled to be close to or far away from the second rotating piece;

the backrest folding piece is provided with a limiting groove, the second rotating piece is provided with a limiting pile, the limiting groove and the limiting pile are oppositely arranged, when the backrest folding piece is close to the second rotating piece, the limiting pile is at least partially positioned in the limiting groove, and when the backrest folding piece is far away from the second rotating piece, the limiting pile is separated from the limiting groove;

the folding piece is connected with the backrest folding piece and used for controlling the backrest folding piece to rotate relative to the second rotating piece so as to control the relative movement of the third supporting top surface and the fourth supporting top surface;

the sixth limiting part is provided with an inclined surface, the inclined surface is used for being abutted with the fifth limiting part, the inclined direction of the inclined surface is the same as the rotating direction of the second rotating part, and when the backrest body and the backrest connecting part rotate towards the directions close to each other, the fifth limiting part slides on the inclined surface so that the second rotating part and the locking part are far away from each other.

In a preferred embodiment of the present invention, the vehicle further comprises a roof assembly, wherein the roof assembly is provided in a bow shape, and both ends of the roof assembly are hinged with the upper handle.

In a preferred embodiment of the present invention, the armrest further comprises an armrest assembly, one end of which is hinged to the lower handle.

In a preferred embodiment of the present invention, the armrest further comprises a first armrest connecting member and a second armrest connecting member hinged to each other, wherein one end of the first armrest connecting member away from the second armrest connecting member is hinged to the armrest assembly, and one end of the second armrest connecting member away from the first armrest is hinged to the rear foot assembly.

In a preferred embodiment of the present invention, the support assembly is connected with a shock absorbing member, and the shock absorbing member is used for controlling the distance between two ends of the support assembly.

In a preferred embodiment of the present invention, a first roller is connected to an end of the rear foot component away from the front foot component, and a second roller is connected to an end of the front foot component away from the rear foot component.

In a preferred embodiment of the present invention, the locking mechanism includes:

the first joint is provided with a first cavity, a first limiting part is arranged in the first cavity, and a first connecting part used for being connected with the upper handle is arranged on the first joint;

The locking piece is at least partially positioned in the first cavity, the locking piece and the first joint are connected in a sliding mode along the direction approaching to or separating from the first joint, the locking piece is provided with a second limiting part, and the second limiting part and the first limiting part are clamped to limit relative rotation between the first joint and the locking piece;

an elastic member connected to the locking member, the elastic member configured to provide an elastic force to the locking member away from the first joint;

the second joint is rotationally connected with the first joint, a second cavity is formed in the second joint, the second cavity and the first cavity are oppositely arranged, a third limiting part is arranged in the second cavity and is used for being clamped with the second limiting part to limit relative rotation between the second joint and the locking piece, and a second connecting part used for being connected with the lower handle is arranged on the second joint;

the folding pressing piece is provided with a first propping surface, the second joint is provided with a second propping surface, the first propping surface is propped against the second propping surface, and the first propping surface and the second propping surface can relatively move so as to control the folding pressing piece to be close to or far away from the second joint;

The adjusting piece is connected with the folding pressing piece and used for controlling the folding pressing piece to rotate relative to the second joint so as to control the relative movement of the first abutting surface and the second abutting surface.

In a preferred embodiment of the present invention, the folding member has a third connecting portion, the adjusting member is configured in a strip shape, one end of the adjusting member is connected to the third connecting portion, and the other end of the adjusting member extends out of the first joint.

In a preferred embodiment of the present invention, the folding pressing member has a rotation hole, the second joint has a rotation shaft, the rotation shaft is at least partially located inside the rotation hole, and the folding pressing member rotates around the rotation shaft;

the folding press piece is provided with a fan-shaped limiting hole, the second joint is provided with a limiting column, the limiting column is at least partially positioned in the limiting hole, and the limiting column is used for limiting the rotating angle between the folding press piece and the second joint.

The foldable baby carriage comprises a shielding piece and the baby carriage framework, wherein the shielding piece is connected with the baby carriage framework.

The beneficial effects of the invention are as follows:

the baby carriage framework obtained by the design can adjust the included angle between the upper handle and the lower handle only by controlling the locking mechanism when the baby carriage framework is used, when the baby carriage framework needs to be folded, the included angle between the upper handle and the lower handle only needs to be reduced, in the process of reducing, the upper handle rotates towards the direction close to the upper handle, folding between the upper handle and the lower handle can be completed, at the moment, the first connecting piece drives the supporting component to rotate towards the direction close to the rear foot component, thereby completing folding between the supporting component and the rear foot component, after folding is completed, the supporting component and the lower handle are mutually close, completing folding between the supporting component and the lower handle, the supporting component drives the second connecting piece to rotate in the rotating process, and the second connecting piece drives the front foot connecting piece to rotate in the rotating process, the distance between the rear foot component and the front foot component can be reduced, so that the rear foot component and the front foot component can be mutually close, the folding between the rear foot component and the front foot component can be realized, in the folding process between the supporting component and the lower handle, the two wing components and the supporting component keep rotating to drive the two wing components to rotate towards the direction close to the supporting component, the folding between the two wing components and the supporting component can be completed, at the moment, the backrest connecting piece and the seat frame component on the backrest component move towards the direction close to each other under the action of the two wing components, thereby driving the backrest body to rotate towards the direction close to the rear foot component, in the rotating process of the backrest body, when the backrest body and the rear foot component are mutually close, the backrest body is abutted against the blocking piece, the blocking piece blocks the backrest body from further rotating at the moment, the backrest connecting piece continues to rotate towards the direction close to the rear foot assembly, and the fifth limiting part in the rotating mechanism is driven to slide on the inclined surface, so that the second rotating piece and the backrest folding piece are far away from each other, the backrest body and the backrest connecting piece can continuously rotate when rotating in the direction close to each other, folding of the backrest connecting piece and the backrest body can be conveniently completed, the whole baby carriage framework can be folded, in the whole folding process, only the locking mechanism is controlled to be opened, and the folding of the whole baby carriage framework can be realized by mutually rotating and closing the upper handle and the lower handle, so that the baby carriage framework is very convenient to use; when the baby carriage is required to be opened, the locking mechanism is only required to be controlled, the upper handle and the lower handle rotate towards the direction away from each other to finish the opened state, at the moment, the backrest body and the backrest connecting piece are still close to each other, and at the moment, only the retracting piece is required to be controlled, so that the third supporting top surface and the fourth supporting top surface relatively move, the backrest retracting piece and the second rotating piece can be far away from each other, the backrest body and the backrest connecting piece can rotate towards the direction away from each other, and the whole baby carriage framework can be completely opened.

The folding baby carriage obtained through the design is very convenient to fold due to the fact that the baby carriage framework is very convenient to fold when in use, and the baby carriage manufactured by adding the shielding piece can be very convenient to fold.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a stroller frame according to an embodiment of the present invention in a deployed state;

fig. 2 is a schematic structural view of a stroller frame according to an embodiment of the present invention during folding;

fig. 3 is a schematic structural view of a stroller frame according to an embodiment of the present invention in a folded state;

FIG. 4 is a schematic view of a locking mechanism in a stroller frame according to an embodiment of the present invention;

FIG. 5 is a schematic view of a first joint in a stroller frame according to an embodiment of the present invention;

FIG. 6 is a schematic view of a backrest assembly in a stroller frame according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a first view angle of a rotating mechanism in a stroller frame according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a second view of a rotating structure in a stroller frame according to an embodiment of the present invention.

Icon: 100-locking mechanism; 110-first joint; 111-a first connection; 112-a first limit part; 113-positioning columns; 120-elastic members; 130-locking element; 131-a second limit part; 132-positioning holes; 140-folding the pressing piece; 141-a guide slot; 142-a first abutment surface; 143-limiting holes; 144-a rotation hole; 145-a third connection; 150-a second joint; 151-a second connection; 152-a third limit part; 153-inclined plane; 154-guide bar; 155-a second abutment surface; 200-a stroller frame; 210-upper handle; 211-a first connector; 220-ceiling assembly; 230-an armrest assembly; 231-a first armrest connection; 232-a second armrest connection; 240-a support assembly; 241-a second connector; 242-forefoot connection; 243-a shock absorbing member; 250-lower handle; 260-backrest connection; 261-backrest assembly; 262-two wing assembly; 263-mount assembly; 264-a backrest body; 280-a rear foot assembly; 281-first roller; 290-forefoot assembly; 291-second roller; 300-a rotating mechanism; 310-a first rotating member; 311-first connection terminal; 312-fourth limit part; 320-locking member; 321-a fifth limiting part; 330-a backrest retraction; 331-a third abutment surface; 332-fourth connection; 340-a second rotating member; 341-sixth limit part; 342-inclined plane; 343-a second connection.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.

Example 1

The present embodiment provides a stroller frame 200, referring to fig. 1, 2, 3, 4, 5, 6, 7 and 8, the stroller frame 200 includes:

an upper handle 210, and a lower handle 250 hinged to the upper handle 210;

the locking mechanism 100, one end of the locking mechanism 100 is connected with the upper handle 210, the other end of the locking mechanism 100 is connected with the lower handle 250, and the locking mechanism 100 is used for controlling the included angle between the upper handle 210 and the lower handle 250;

the support assembly 240, one end of the upper handle 210 near the lower handle 250 is connected with a first connecting piece 211, and one end of the first connecting piece 211 far away from the upper handle 210 is connected with one end of the support assembly 240;

a rear foot assembly 280, one end of the rear foot assembly 280 being hinged to the lower handle 250, and a middle portion of the rear foot assembly 280 being hinged to the support assembly 240;

a forefoot assembly 290, one end of the forefoot assembly 290 being hinged to the rearfoot assembly 280;

the front foot connecting piece 242, one end of the front foot connecting piece 242 is hinged with the middle part of the front foot assembly 290, one end of the supporting assembly 240 close to the rear foot assembly 280 is connected with a second connecting piece 241, and one end of the second connecting piece 241 far away from the supporting assembly 240 is hinged with one end of the front foot connecting piece 242 far away from the front foot assembly 290;

The two-wing assembly 262, one end of the two-wing assembly 262 is hinged with the middle of the supporting assembly 240;

a saddle assembly 263, a middle portion of saddle assembly 263 and an end of wing assembly 262 remote from support assembly 240 are hinged;

a backrest assembly 261, wherein the backrest assembly 261 comprises a backrest body 264 and a backrest connecting member 260 which are hinged with each other, the middle part of the backrest connecting member 260 is hinged with the lower handle 250, and one end of the backrest connecting member 260 far away from the backrest body 264 is hinged with a seat frame assembly 263;

one end of the backrest assembly 261 is rotatably connected with one end of the seat frame assembly 263 far away from the two wing assemblies 262, and the backrest assembly 261 is hinged with the lower handle 250;

a blocking member coupled to the rear foot assembly 280, the blocking member being disposed on a rotational path of the backrest assembly 261, the blocking member being for blocking rotation of the backrest assembly 261;

the rotating mechanism 300 is rotationally connected between the backrest body 264 and the backrest connecting member 260 through the rotating mechanism 300, and the rotating mechanism 300 is used for controlling the angle between the backrest body 264 and the backrest connecting member 260;

the rotation mechanism 300 includes:

the first rotating member 310, the first rotating member 310 has a first space, the first space has a fourth limiting portion 312 inside, and the first rotating member 310 has a first connecting end 311 for connecting with the backrest body 264;

The locking piece 320 is at least partially positioned in the first space, the locking piece 320 and the first rotating piece 310 are connected in a sliding way along the direction approaching or separating from the first rotating piece 310, the locking piece 320 is provided with a fifth limiting part 321, and the fifth limiting part 321 and the fourth limiting part 312 are clamped to limit the relative rotation between the first rotating piece 310 and the locking piece 320;

a spring member coupled to the locking member 320, the spring member for providing an elastic force to the locking member 320 away from the first rotating member 310;

the second rotating member 340 is rotationally connected with the first rotating member 310, the second rotating member 340 is provided with a second space, the second space is opposite to the first space, a sixth limiting part 341 is arranged in the second space, the sixth limiting part 341 is used for being clamped with the fifth limiting part 321 so as to limit the relative rotation between the second rotating member 340 and the locking member 320, and the second rotating member 340 is provided with a second connecting end 343 used for being connected with the backrest body 264;

the backrest folding piece 330, one end of the backrest folding piece 330 is abutted with the locking piece 320, the other end of the backrest folding piece 330 is abutted with the second rotating piece 340, the backrest folding piece 330 is provided with a third abutting surface 331, the second rotating piece 340 is provided with a fourth abutting surface, the third abutting surface 331 is abutted with the fourth abutting surface, the third abutting surface 331 and the fourth abutting surface can move relatively, and the backrest folding piece 330 is controlled to be close to or far away from the second rotating piece 340;

The backrest folding piece 330 is provided with a limit groove, the second rotating piece 340 is provided with a limit pile, the limit groove and the limit pile are oppositely arranged, when the backrest folding piece 330 is close to the second rotating piece 340, the limit pile is at least partially positioned in the limit groove, and when the backrest folding piece 330 is far away from the second rotating piece 340, the limit pile and the limit groove are separated;

the retracting piece is connected with the backrest retracting piece 330 and is used for controlling the backrest retracting piece 330 to rotate relative to the second rotating piece 340 so as to control the relative movement of the third propped top surface 331 and the fourth propped top surface;

optionally, in this embodiment, the retracting member is configured as a strip, the backrest retracting member 330 has a fourth connecting portion 332, and the fourth connecting portion 332 is connected to one end of the retracting member, and an extending direction of the retracting member is the same as a tangent line of a rotation direction of the fourth connecting portion 332, so that the backrest retracting member 330 can be driven to rotate when the retracting member is pulled.

The sixth limiting portion 341 has an inclined surface 342, the inclined surface 342 is used for abutting against the fifth limiting portion 321, the inclined direction of the inclined surface 342 is the same as the rotation direction of the second rotating member 340, and when the backrest body 264 and the backrest connecting member 260 rotate toward each other, the fifth limiting portion 321 slides on the inclined surface 342 to separate the second rotating member 340 and the locking member 320 from each other.

When the stroller is in operation, the locking mechanism 100 is controlled to adjust the included angle between the upper handle 210 and the lower handle 250, when the stroller frame 200 needs to be folded, the included angle between the upper handle 210 and the lower handle 250 is only required to be reduced, in the process of reducing, the upper handle 210 rotates towards the direction close to the upper handle 210, folding between the upper handle 210 and the lower handle 250 can be completed, at this time, the first connecting piece 211 drives the supporting component 240 to rotate towards the direction close to the rear leg component 280, folding between the supporting component 240 and the rear leg component 280 is completed, after folding is completed, the supporting component 240 and the lower handle 250 are mutually close, folding between the supporting component 240 and the lower handle 250 is completed, the supporting component 240 drives the second connecting piece 241 to rotate in the rotating process, the second connecting piece 241 drives the front leg connecting piece 242 to rotate in the rotating process, the distance between the rear leg assembly 280 and the front leg assembly 290 can be reduced, so that the rear leg assembly 280 and the front leg assembly 290 can be close to each other, folding between the rear leg assembly 280 and the front leg assembly 290 can be achieved, the two wing assemblies 262 and the support assembly 240 keep rotating during folding between the support assembly 240 and the lower handle 250, the two wing assemblies 262 are driven to rotate towards the direction close to the support assembly 240, folding between the two wing assemblies 262 and the support assembly 240 can be completed, at the moment, the backrest connecting piece 260 and the seat frame assembly 263 on the backrest assembly 261 move towards the direction close to each other under the action of the two wing assemblies 262, the backrest body 264 is driven to rotate towards the direction close to the rear leg assembly 280, during rotating of the backrest body 264, when the two wing assemblies 280 are close to each other, the backrest body 264 is abutted with the blocking piece, the blocking member blocks the backrest body 264 from further rotation, at this time, the backrest connecting member 260 continues to rotate towards the direction approaching the rear leg assembly 280, and drives the fifth limiting part 321 in the rotating mechanism 300 to slide on the inclined surface 342, so that the second rotating member 340 and the backrest folding member 330 are far away from each other, and thus when the backrest body 264 and the backrest connecting member 260 rotate in the direction approaching each other, the backrest connecting member 260 and the backrest body 264 can continuously rotate, folding of the whole stroller frame 200 can be conveniently completed, and in the whole folding process, only the locking mechanism 100 needs to be controlled to be opened, and the folding of the whole stroller frame 200 can be realized by mutually rotating and approaching between the upper handle 210 and the lower handle 250, so that the use is very convenient; when the stroller needs to be opened, the locking mechanism 100 is only required to be controlled, so that the upper handle 210 and the lower handle 250 rotate in directions away from each other, and at this time, the backrest body 264 and the backrest connecting piece 260 still approach each other, and at this time, only the retracting piece is required to be controlled, so that the third abutting surface 331 and the fourth abutting surface relatively move, and the backrest retracting piece 330 and the second rotating piece 340 can move away from each other, so that the backrest body 264 and the backrest connecting piece 260 rotate in directions away from each other, and the whole stroller frame 200 is completely opened.

When the rotating mechanism 300 works, in a normal state, under the action of the spring element, the locking element 320 is located at a position far away from the first rotating element 310, the locking element 320 is partially located in the second space, one end of the fifth limiting portion 321 on the locking element 320 is clamped with the fourth limiting portion 312, and the other end is clamped with the sixth limiting portion 341, so that an angle between the first rotating element 310 and the second rotating element 340 can be fixed by using the locking element 320.

When the backrest body 264 and the backrest connecting member 260 rotate in the direction approaching each other, at this time, one end of the fifth limiting portion 321, which is close to the sixth limiting portion 341, slides on the inclined surface 342, and under the action of the inclined surface 342, the fifth limiting portion 321 and the sixth limiting portion 341 are far away from each other, so that the fifth limiting portion 321 and the sixth limiting portion 341 are far away from each other, and thus, the fifth limiting portion 321 and the sixth limiting portion 341 can rotate relative to each other.

The backrest body 264 is in the process of rotating, and after the blocking piece is abutted, the blocking piece prevents the backrest body 264 from further rotating, at this time, the backrest connecting piece 260 further moves towards the direction close to the rear foot assembly 280, at this time, one end, close to the sixth limiting part 341, of the fifth limiting part 321 can slide on the inclined surface 342, so that the fifth limiting part 321 and the sixth limiting part 341 can rotate mutually, that is, the first rotating piece 310 and the second rotating piece 340 can rotate mutually, and folding between the backrest body 264 and the backrest connecting piece 260 can be realized.

In the opened state, an obtuse angle is formed between the backrest connecting member 260 and the seat frame assembly 263, the opening of the obtuse angle faces the direction close to the forefoot assembly 290, in the folding process, the two wing assemblies 262 and the supporting assembly 240 are mutually folded, so that the seat frame assembly 263 and the backrest connecting member 260 rotate towards the direction close to each other, in the opened state, the backrest assembly 261 and the seat frame assembly 263 can jointly form a cushion part, and the backrest assembly 261 and the seat frame assembly 263 can be folded and folded, so that the direction from the jointly formed cushion part rearfoot assembly 280 to the forefoot assembly 290 can be longer, the wrapping property of the cushion part is improved, and the riding comfort of an infant can be effectively improved.

Optionally, in this embodiment, the ceiling assembly 220 further includes a ceiling assembly 220, where the ceiling assembly 220 is configured to be arcuate, and both ends of the ceiling assembly 220 are hinged to the upper handle 210.

The roof assembly 220 can be used as a foundation for installing a roof, can provide a function of shielding sun or rainwater for the stroller in use, and both ends of the roof assembly 220 are hinged with the upper handle 210, so that good folding can be realized.

Optionally, in this embodiment, the armrest assembly 230 is further included, and one end of the armrest assembly 230 is hinged to the lower handle 250.

The armrest assembly 230 can provide a supporting function for the infant's hand, and the armrest assembly 230 and the lower handle 250 are hinged during folding, so that good folding and folding can be achieved.

Optionally, in this embodiment, the first handrail connecting piece 231 and the second handrail connecting piece 232 are hinged to each other, and an end of the first handrail connecting piece 231 far from the second handrail connecting piece 232 is hinged to the handrail assembly 230, and an end of the second handrail connecting piece 232 far from the first handrail is hinged to the rear foot assembly 280.

In the folding process, the supporting component 240 rotates towards the direction close to the rear foot component 280, so that the first handrail connecting piece 231 and the second handrail connecting piece 232 are driven to rotate relatively, the first handrail connecting piece 231 and the second handrail connecting piece 232 are close to each other, the second handrail connecting piece 232 and the handrail component 230 can rotate towards the direction close to the rear foot component 280, and folding of the handrail component 230 and the second handrail connecting piece 232 can be achieved.

Optionally, in this embodiment, a damping member 243 is connected to the support member 240, and the damping member 243 is used to control the distance between two ends of the support member 240.

The shock absorbing members 243 can provide shock absorbing function to the overall structure to improve the comfort of the infant during use.

Optionally, in this embodiment, a first roller 281 is connected to an end of the rear foot assembly 280 away from the front foot assembly 290, and a second roller 291 is connected to an end of the front foot assembly 290 away from the rear foot assembly 280.

The first roller 281 and the second roller 291 may provide a walking function for the stroller frame 200, which is convenient for people to push the stroller.

Alternatively, in the present embodiment, the lock mechanism 100 includes:

the first joint 110, the first joint 110 has a first cavity, the first cavity has a first limit part 112 inside, the first joint 110 has a first connection part 111 for connecting with the upper handle 210;

the locking element 130, the locking element 130 is at least partially located in the first cavity, the locking element 130 and the first joint 110 are slidably connected along the direction approaching or separating from the first joint 110, the locking element 130 is provided with a second limiting part 131, and the second limiting part 131 is clamped with the first limiting part 112 so as to limit the relative rotation between the first joint 110 and the locking element 130;

an elastic member 120, where the elastic member 120 is connected to the locking member 130, and the elastic member 120 is configured to provide an elastic force for the locking member 130 away from the first joint 110;

the second joint 150, the second joint 150 is rotationally connected with the first joint 110, the second joint 150 is provided with a second cavity, the second cavity is opposite to the first cavity, the second cavity is internally provided with a third limiting part 152, the third limiting part 152 is used for being clamped with the second limiting part 131 so as to limit the relative rotation between the second joint 150 and the locking piece 130, and the second joint 150 is provided with a second connecting part 151 used for being connected with the lower handle 250;

The folding press piece 140, one end of the folding press piece 140 is abutted against the locking piece 130, the other end of the folding press piece 140 is abutted against the second joint 150, the folding press piece 140 is provided with a first abutting surface 142, the second joint 150 is provided with a second abutting surface 155, the first abutting surface 142 is abutted against the second abutting surface 155, and the first abutting surface 142 and the second abutting surface 155 can move relatively to control the folding press piece 140 to be close to or far away from the second joint 150;

the adjusting member is connected to the folding member 140, and the adjusting member is used for controlling the folding member 140 to rotate relative to the second joint 150 so as to control the relative movement of the first abutting surface 142 and the second abutting surface 155.

The rotation between the first connection rod and the second connection rod can be achieved by connecting the first connection part 111 on the first joint 110 with one connection rod of the stroller, connecting the second connection part 151 on the second joint 150 with the other connection rod of the stroller, and the relative rotation between the first joint 110 and the locking member 130 can be prevented by the engagement between the second stopper 131 on the locking member 130 and the first stopper 112 on the first joint 110, and the relative rotation between the second joint 150 and the locking member 130 can be prevented by the engagement between the second stopper 131 on the locking member 130 and the third stopper 152 on the second joint 150, so that the relative rotation between the first joint 110 and the second joint 150 can be prevented, and a fixed angle can be maintained between the first joint 110 and the second joint 150, when the angle of the first joint 110 and the second joint 150 needs to be adjusted, the adjusting piece is only used for controlling the folding pressing piece 140, so that the first abutting surface 142 on the folding pressing piece 140 and the second abutting surface 155 on the second joint 150 move relatively, the folding pressing piece 140 is controlled to be far away from the second joint 150, the detachment of the locking piece 130 and the second joint 150 can be realized, the detachment between the second limiting part 131 and the third limiting part 152 can be realized, the relative rotation between the first joint 110 and the second joint 150 can be realized, when the first abutting surface 142 and the second abutting surface 155 move in opposite directions under the action of the elastic piece 120, the re-clamping of the second limiting part 131 and the third limiting part 152 can be realized, thereby fixing the angle between the first joint 110 and the second joint 150 and adjusting the angle between the first joint 110 and the second joint 150 can be achieved.

Alternatively, in the present embodiment, the elastic member 120 is a spring.

Optionally, in this embodiment, the folding pressing member 140 has a third connecting portion 145, the adjusting member is configured as a strip, one end of the adjusting member is connected to the third connecting portion 145, and the other end of the adjusting member extends out of the first joint 110.

The strip-shaped adjusting piece is connected with the folding pressing piece 140, and the folding pressing piece 140 can be controlled to rotate by a certain angle through controlling the adjusting piece.

Alternatively, in the present embodiment, the extending direction of the adjusting member is located along the tangential direction of the folding member 140, so that by pulling the adjusting member, the folding member 140 can be driven to rotate by a certain angle.

Optionally, in this embodiment, the folding pressing member 140 has a rotation hole 144, and the second joint 150 has a rotation shaft, where the rotation shaft is at least partially located inside the rotation hole 144, and the folding pressing member 140 rotates around the rotation shaft;

the folding pressing member 140 is provided with a fan-shaped limiting hole 143, the second joint 150 is provided with a limiting column, at least part of the limiting column is positioned in the limiting hole 143, and the limiting column is used for limiting the rotating angle between the folding pressing member 140 and the second joint 150.

The folding pressing member 140 and the second joint 150 may rotate with each other with the axis of the rotation shaft as the axis, and in the rotation process, the limit post may limit the rotation between the folding pressing member 140 and the second joint 150 within a certain range.

Alternatively, in the present embodiment, the first limiting portion 112 and the third limiting portion 152 are both configured as strips, the surface of the third limiting portion 152 near the first joint 110 is configured as an inclined surface 153, and the inclined direction of the inclined surface 153 is along the tangential direction of the rotation of the folding member 140.

The surface of the third limiting portion 152, which is close to the first joint 110, is provided with an inclined surface 153, so that the folding pressing member 140 can be clamped with the third limiting portion 152 more easily when being close to the third limiting portion 152.

Optionally, in this embodiment, the folding pressing member 140 has a fan-shaped guide groove 141, the first supporting top surface 142 is disposed on the bottom surface of the guide groove 141, the second joint 150 has a guide rod 154, a surface of the guide rod 154 near the guide groove 141 is a second supporting top surface 155, and the guide rod 154 is used for sliding in the guide groove 141.

The guide rod 154 slides in the guide groove 141, so that the movement track of the guide rod 154 is fixed, and the first abutting surface 142 and the second abutting surface 155 can be easily attached when the first abutting surface and the second abutting surface are attached, and the working stability can be improved.

Alternatively, in the present embodiment, the guide grooves 141 and the guide rods 154 are provided in plural, the guide grooves 141 are annularly spaced apart, and the guide rods 154 are annularly spaced apart.

The plurality of guide grooves 141 and the guide rods 154 may make the movement of the first abutting surface 142 and the second abutting surface 155 smoother during the relative movement, so that the folding press 140 may keep moving along the axial direction of the rotation of the folding press 140 when approaching to or moving away from the second joint 150.

Optionally, in this embodiment, the first joint 110 has a positioning post 113, the locking element 130 has a positioning hole 132, and the positioning post 113 is at least partially located inside the positioning hole 132.

The positioning hole 132 on the locking element 130 and the positioning post 113 on the first joint 110 cooperate to position the locking element 130, so that the locking element 130 and the first joint 110 can be kept in a fixed position during installation.

Optionally, in this embodiment, the second limiting portions 131 on the locking element 130 are provided in a strip shape, the second limiting portions 131 are provided in a plurality, and the plurality of second limiting portions 131 are annularly spaced apart on the side wall of the locking element 130.

The locking element 130 is arranged in a gear-like manner and the second limiting portion 131 resembles teeth on the gear-like locking element 130.

The plurality of second limiting portions 131 can effectively share the force applied by the locking member 130 to the second limiting portions 131, so that the working stability of the second limiting portions 131 can be improved.

Optionally, in this embodiment, the first limiting portion 112 on the first joint 110 is configured as a groove, the first limiting portion 112 is configured as a plurality of first limiting portions 112, and the plurality of first limiting portions 112 are disposed on the side wall of the first cavity at annular intervals, and a gap is formed between the first limiting portion 112 and the second limiting portion 131.

The first groove-shaped limiting part 112 and the second bar-shaped limiting part 131 are in clearance fit, so that the first joint 110 and the locking piece 130 can be firmly clamped, and the locking device has strong structural stability.

Optionally, in this embodiment, the third limiting portion 152 on the second joint 150 is configured as a groove, the third limiting portion 152 is configured as a plurality of third limiting portions 152, and the plurality of third limiting portions 152 are disposed at annular intervals on the side wall of the second cavity, and a clearance fit is formed between the third limiting portion 152 and the second limiting portion 131.

The third groove-shaped limiting part 152 and the second bar-shaped limiting part 131 are in clearance fit, so that the second joint 150 and the locking piece 130 can be firmly clamped, and the locking piece has strong structural stability.

The working principle of the stroller frame 200 provided in this embodiment is that, when the stroller frame 200 is required to be folded, the included angle between the upper handle 210 and the lower handle 250 is only required to be adjusted by controlling the locking mechanism 100, when the stroller frame 200 is required to be folded, the included angle between the upper handle 210 and the lower handle 250 is only required to be reduced, in the process of reducing, the upper handle 210 rotates towards the direction close to the upper handle 210, the folding between the upper handle 210 and the lower handle 250 can be completed, at this time, the first connecting piece 211 drives the supporting component 240 to rotate towards the direction close to the rear leg component 280, thereby completing the folding between the supporting component 240 and the rear leg component 280, after the folding is completed, the supporting component 240 and the lower handle 250 are mutually close to each other, the folding between the supporting component 240 and the lower handle 250 is completed, the supporting component 240 drives the second connecting piece 241 to rotate in the rotating process, the second connecting member 241 drives the front foot connecting member 242 to rotate during rotation, so that the distance between the rear foot assembly 280 and the front foot assembly 290 is reduced, the rear foot assembly 280 and the front foot assembly 290 can be moved closer to each other, the rear foot assembly 280 and the front foot assembly 290 are folded, the two wing assemblies 262 and the support assembly 240 remain rotating during folding between the support assembly 240 and the lower handle 250, the two wing assemblies 262 are driven to rotate towards the direction approaching the support assembly 240, folding between the two wing assemblies 262 and the support assembly 240 can be completed, at this time, the backrest connecting member 260 and the seat frame assembly 263 on the backrest assembly 261 move towards the direction approaching each other under the action of the two wing assemblies 262, so that the backrest body 264 is driven to rotate towards the direction approaching the rear foot assembly 280, and during the rotation of the backrest body 264, when the back support body 264 and the blocking piece are abutted against each other and the back support connecting piece 260 is blocked against further rotation of the back support body 264, at this time, the back support connecting piece 260 continues to rotate towards the direction approaching the back support assembly 280, and the fifth limiting part 321 in the rotating mechanism 300 is driven to slide on the inclined surface 342, so that the second rotating piece 340 and the back support folding piece 330 can be far away from each other, when the back support body 264 and the back support connecting piece 260 rotate towards each other, the back support connecting piece 260 and the back support body 264 can be continuously rotated, folding of the whole baby carriage framework 200 can be conveniently completed, in the whole folding process, only the locking mechanism 100 needs to be controlled to be opened, and the folding of the whole baby carriage framework 200 can be realized by mutually rotating and approaching between the upper handle 210 and the lower handle 250, so that the use is very convenient; when the stroller needs to be opened, the locking mechanism 100 is only required to be controlled, so that the upper handle 210 and the lower handle 250 rotate in directions away from each other, and at this time, the backrest body 264 and the backrest connecting piece 260 still approach each other, and at this time, only the retracting piece is required to be controlled, so that the third abutting surface 331 and the fourth abutting surface relatively move, and the backrest retracting piece 330 and the second rotating piece 340 can move away from each other, so that the backrest body 264 and the backrest connecting piece 260 rotate in directions away from each other, and the whole stroller frame 200 is completely opened.

Example two

The present embodiment provides a folding stroller including a shade and the stroller frame 200 provided in the first embodiment, the shade being connected to the stroller frame 200.

The working principle of the foldable stroller provided in this embodiment is that the folding of the stroller frame 200 is very convenient during operation, so that the foldable stroller is very convenient to fold during use.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A stroller frame comprising:

an upper handle and a lower handle hinged with the upper handle;

the locking mechanism includes:

the adjusting piece is connected with the folding pressing piece and used for controlling the folding pressing piece to rotate relative to the second joint so as to control the relative movement of the first abutting surface and the second abutting surface;

a front foot assembly, one end of which is hinged with the rear foot assembly;

the rotating mechanism comprises:

the first rotating piece is provided with a first space, a fourth limiting part is arranged in the first space, and a first connecting end used for being connected with the backrest connecting piece is arranged on the first rotating piece;

the sixth limiting part is provided with an inclined surface, the inclined surface is used for being abutted against the fifth limiting part, the inclined direction of the inclined surface is the same as the rotating direction of the second rotating part, and when the backrest body and the backrest connecting part rotate towards the direction approaching to each other, the fifth limiting part slides on the inclined surface so that the second rotating part and the locking part are far away from each other;

the novel ceiling comprises a handle, and is characterized by further comprising a ceiling assembly which is arranged in an arc shape, and both ends of the ceiling assembly are hinged with the upper handle.

2. The stroller frame of claim 1, further comprising a handle assembly, wherein one end of the handle assembly is hinged to the lower handle.

3. The stroller frame of claim 2, further comprising a first armrest connector and a second armrest connector that are hinged to each other, wherein an end of the first armrest connector that is remote from the second armrest connector is hinged to the armrest assembly, and wherein an end of the second armrest connector that is remote from the first armrest is hinged to the rear leg assembly.

4. The stroller frame of claim 1, wherein the support member is connected to a shock absorbing member for controlling the distance between the two ends of the support member.

5. The stroller frame of claim 1, wherein a first roller is connected to an end of the rear leg assembly remote from the front leg assembly, and a second roller is connected to an end of the front leg assembly remote from the rear leg assembly.

6. The stroller frame according to claim 1, wherein the folding member has a third connecting portion, the adjusting member is provided in a strip shape, one end of the adjusting member is connected to the third connecting portion, and the other end of the adjusting member extends out of the first joint.

7. The stroller frame of claim 1, wherein the folding press has a rotation hole, the second joint has a rotation shaft, the rotation shaft is at least partially located inside the rotation hole, and the folding press rotates around the rotation shaft;

8. A collapsible pushchair comprising a shield and a pushchair frame according to any of claims 1 to 7, the shield being connected to the pushchair frame.