CN214689705U

CN214689705U - Folding structure of baby carriage

Info

Publication number: CN214689705U
Application number: CN202120067597.7U
Authority: CN
Inventors: 田立强
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-11-12
Anticipated expiration: 2031-01-12

Abstract

The utility model provides a children's shallow beta structure, it include fixing base, block seat and set up in the fixing base with two locks between the block seat. The design of two locking structures of two locks and the folding rod for folding the bicycle is adopted, so that the bicycle can be prevented from being touched by mistake and is safer to use. Meanwhile, through the combined structural design of the clamping seat and the fixed seat, the fixed seat can rotate relative to the clamping seat by taking the circle center of the fixed seat connecting frame as a rotating axis, so that the first step folding function of synchronously turning back the hand push rod assembly and the seat assembly to be folded is realized; and a bolt connecting structure between a pin on the connecting frame and a slide way of the folding sheet of the clamping seat is adopted to drive the clamping seat to rotate by taking the circle center of the rotating part of the clamping seat as a rotating axis, so that the second-step folding function of the front wheel assembly is realized, the whole folding process is finished, and the folding of the bicycle is realized. The seat is limited to rotate by the combined structure of the pin hole and the bayonet lock, and the seat can rotate after the bayonet lock is pulled open.

Description

Folding structure of baby carriage

Technical Field

The utility model relates to a children's shallow technical field especially relates to a children's shallow beta structure.

Background

The stroller has the advantages of practicability and folding convenience, and is an indispensable travel tool in a family with children. The present stroller products generally include a stroller frame that can be converted between an unfolded state and a folded state, and a folding mechanism that can lock the stroller frame in the unfolded state and unlock the stroller frame to achieve folding and folding.

The baby stroller products on the market are designed into automatic folding structures for convenient and fast folding, safety accidents are easily caused although the baby stroller products are convenient to fold, and the folding switch is started due to misoperation or mistaken touch, so that accidents that children are clamped or injured are caused. Moreover, the seats on many carts cannot be rotationally adjusted in direction, resulting in poor functionality.

The utility model with application number CN201820315210.3 discloses a stroller that can be folded conveniently. The foldable bicycle comprises a bicycle frame part and a seat frame part, wherein the bicycle frame part comprises a handle component, a front wheel component, a rear wheel component and a seat frame supporting tube; the seat frame part comprises a seat frame pipe, a seat upper pipe and a seat lower pipe; the folding structure of the seat frame part is formed by a seat lower tube, a folding steel rope, a lower joint, an upper joint, a folding gear, a folding spring, a folding pulling block and other components, and the folding spring is tensioned by the folding pulling block to enable the folding gear to be disengaged from the upper joint, so that the folding of the seat frame part is realized; the inner joint, the supporting joint, the car collecting gear, the car collecting spring, the car collecting pull rod, the steel ropes for collecting the cars up and down and the like form a car collecting structure of the frame part, the steel ropes for collecting the cars up and down are tensioned by the car collecting pull rod, the gears in the joints are disengaged, and the effect of collecting the cars forward and reversely is achieved.

The utility model with application number CN201921550171.6 discloses a stroller. The child stroller comprises a frame, wherein the frame comprises a first supporting piece, a second supporting piece, a first connecting piece, a second connecting piece, a third connecting piece, a sliding piece and a handle, the front end of the second supporting piece is pivoted with the rear end of the first supporting piece, the rear end of the first connecting piece is pivoted with the front end of the first connecting piece, the rear end of the third connecting piece is pivoted with the second supporting piece, the sliding piece is connected to the first supporting piece in a relatively sliding mode, the lower end of the handle is pivoted with the rear end of the first supporting piece, the lower end of the second connecting piece and the front end of the third connecting piece are both pivoted with the sliding piece, the child stroller further comprises a first locking device and a second locking device, the first locking device is arranged between the lower end of the handle and the rear end of the first supporting piece, and the rotating handle can unlock the first locking device after the second locking device is unlocked and can enable all components of the frame to be linked, rotated and closed.

The utility model with application number CN201921591590.4 discloses a folding baby stroller with higher safety. The bicycle comprises a handle assembly, a frame assembly, a seat plate assembly, a supporting assembly and caster assemblies, wherein an additional locking structure for the supporting assembly is arranged on a frame pipe of the frame assembly, the supporting assembly is locked through the additional locking structure so that a bicycle body can not be rotated and folded, and the additional locking structure is in butt joint with the handle assembly to form an unlocking control structure.

However, the folding structure of the above-mentioned stroller has a problem that the safety is not sufficient, or the folding operation is complicated or the folding structure is complicated, or the seat cannot be rotated to adjust the direction.

In view of the above, there is a need for an improved folding structure of a stroller to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a children's shallow beta structure.

In order to realize the purpose of the utility model, the utility model provides a folding structure of a children's barrow, which comprises a fixed seat and a clamping seat, wherein one end of the clamping seat is rotationally connected with the fixed seat, and the other end of the clamping seat is fixedly connected with a front wheel component; the fixed seat comprises a supporting frame rotationally connected with the seat, a connecting frame rotationally connected with the rear wheel assembly and a fixed frame fixedly connected with the hand push rod assembly;

two locks are arranged between the fixed seat and the clamping seat; the bottom of the support frame is provided with a folding rod for folding the bicycle.

As a further improvement, the two locks with folding rod independent setting of receiving the car, and through operating in order the two locks with folding rod of receiving the car realizes folding function.

As a further improvement of the utility model, the two locks include two locks and press splenium, spacing piece and wear the cover spacing piece and with two locks press the spacing post that splenium joint is connected.

As a further improvement of the utility model, the fixing seat is provided with an installation position for installing the two lock pressing parts, and the limiting column penetrates through a through hole arranged on the installation position and is connected with a clamping joint arranged at the end part of the two lock pressing parts; when two locks are pressed down, spacing post is deviate from screens and the through-hole on the installation position in order, when pressing down once more, two locks press down the screens of portion with spacing post joint resets.

As a further improvement of the utility model, the block seat include with front wheel subassembly fixed connection's connecting portion, with the block portion that the folding rod joint of receiving is connected, rotate the rotation portion and both ends of being connected with the rear wheel subassembly respectively with the link with rotation portion nested connection's folding piece.

As a further improvement of the utility model, the folding sheet is provided with a hollowed-out slide way, the connecting frame is provided with a pin hole, and the folding sheet is connected with the connecting frame in a sliding manner by using a pin which sequentially penetrates through the pin hole and the slide way; the pin is fixedly connected in the pin hole of the connecting frame.

As a further improvement of the present invention, the support frame includes a clip pin hole formed on a side wall thereof and a pin penetrating through the clip pin hole and connected to a mounting post of the seat.

As a further improvement of the utility model, be provided with on the bayonet lock with the joint interface of mutually supporting of joint annular on the erection column.

As a further improvement of the utility model, the folding rod of receiving the car include with the joint piece of block portion joint and with joint piece fixed connection's the pole of receiving the car.

As a further improvement, the bottom of support frame is provided with the stopper, be provided with on the joint piece with stopper nested connection's removal spout.

As a further improvement of the utility model, the folding sheet is provided with an arc-shaped chute.

The utility model has the advantages that:

1. the utility model provides a children's shallow beta structure can be folded backward with handspike subassembly and the seat of being connected with the fixing base after pressing two locks and pulling folding rod, compares with prior art, the utility model discloses the two locks that set up and the joint twice locking structure of folding rod of receiving can prevent the mistake and touch, use safelyr.

2. The utility model provides a folding structure of a children stroller, which pulls a folding rod of the stroller through the structural design of a clamping seat and a fixing seat, so that the fixing seat can rotate relative to the clamping seat by taking the circle center of a fixing seat connecting frame as a rotating axis, and a first folding function of synchronously turning back a hand push rod assembly and a seat assembly to be folded is realized; meanwhile, by adopting a pin connection structure between the pin on the connecting frame and the slide way of the folding piece of the clamping seat, when the pin rotates along with the connecting frame of the fixing seat, the clamping seat is driven to rotate by taking the circle center of the rotating part of the clamping seat as a rotating axis, so that the second-step folding function of the front wheel assembly is realized, the whole folding process is finished, the hand push rod assembly is folded to the front wheel assembly and the rear wheel assembly is positioned on a plane, and the vehicle is folded.

3. The utility model provides a children's shallow beta structure is provided with the integrated configuration of pinhole hole and bayonet lock on the support frame, through the mutual block of bayonet lock and seat below erection column for seat fixed connection limits the seat rotation when using on the support frame, when needs adjust the seat direction, pulls open the bayonet lock in the bayonet lock pinhole, realizes the rotation of seat direction.

4. The utility model provides a children's shallow beta structure has set up an arc spout on the folded sheet, can inject rotation range.

Drawings

Fig. 1 is a front view of a folding structure of a stroller provided by the present invention.

Fig. 2 is a rear view of the folding structure of the stroller provided by the present invention.

Fig. 3 is a schematic view of the fixing seat of the folding structure of the stroller of the present invention.

Fig. 4 is a schematic view of the folding rod of the folding structure of the stroller of the present invention.

Fig. 5 is a schematic view of the fixing seat bayonet lock of the folding structure of the stroller of the present invention.

Fig. 6 is a schematic view of the engaging seat and the two lock structures of the folding structure of the stroller of the present invention.

Fig. 7 is an exploded view of the two locks of the folding structure of the stroller of the present invention.

Reference numerals

1-a fixed seat; 11-a support frame; 111-snap pin holes; 112-bayonet lock; 1121-card interface; 113-a limiting block; 12-a connecting frame; 121-pin holes; 122-connecting frame center; 13-a fixed frame; 14-folding rod for folding the bicycle; 141-a clamping block; 1411-a mobile chute; 142-a vehicle-receiving rod; 15-mounting position; 2-a clamping seat; 21 a connecting part; 22-a snap-fit portion; 23-a turning part; 231-center of the rotating part; 24-a fold; 241-a slide way; 242-arc chute; 3-two locks; 31-two lock pressing parts; 311-clamping; 32-a limiting piece; 33-limiting column.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the aspects of the present invention are shown in the drawings, and other details not relevant to the present invention are omitted.

In addition, it is also to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring to fig. 1 to 2, the present invention provides a foldable structure of a stroller, which comprises a fixing base 1, a fastening seat 2 having one end rotatably connected to the fixing base 1 and the other end fixedly connected to a front wheel assembly, and a secondary lock 3 disposed between the fixing base 1 and the fastening seat 2.

Referring to fig. 1 to 3, the fixing base 1 includes a supporting frame 11 connected to the seat, a connecting frame 12 rotatably connected to the rear wheel assembly to form a circular disc structure, a fixing frame 13 fixedly connected to the push rod assembly, a folding rod 14 disposed at the bottom of the supporting frame 11, and a mounting position 15 disposed on the fixing base 1 for mounting the two locks. The secondary lock 3 and the folding rod 14 of the folding stroller are independently arranged, and the folding function of the folding structure of the stroller is realized by operating the secondary lock 3 and the folding rod 14 of the folding stroller in sequence.

In this embodiment, the support frame 11 includes a pin hole 111 disposed on a side wall thereof, a pin 112 penetrating through the pin hole 111 and engaged with a mounting post of a seat, and a stopper 113 disposed at a bottom of the support frame 11 for limiting the folding rod 14 to prevent the folding rod from separating from the support frame 11. The connecting frame 12 is provided with a pin hole 121 and a pin (not shown) inserted into the pin hole 121.

Specifically, the bottom of the fixed seat 1 is provided with a receiving groove (not labeled) for receiving the engaging portion 22 of the engaging seat 2, and the receiving groove is adjacent to the folding bar 14 for tightly engaging the engaging portion 22 in the receiving groove with the folding bar 14. Installation position 15 is provided with on the lateral wall of holding tank to this, realize two locks 3 with fixing base 1 with latch connection in order between the block seat 2 realizes preventing the mistake and touches the function.

The connecting frame 12 of the fixing seat 1 is of a disc-shaped structure, the bottom of the connecting frame is provided with a nesting groove (not marked in the figure) for accommodating the folding piece 24 of the clamping seat 2, the pin holes 121 are symmetrically arranged on the edge circular arc lines of the upper surface and the lower surface of the connecting frame 12 of the disc structure (namely, the pin holes are divided into an upper pin hole and a lower pin hole which are matched with each other), and the pins sequentially penetrate through the upper pin hole, the slide 241 on the folding piece 24 and the lower pin hole to form a sandwich structure, so that the sliding connection of the folding piece 24 and the connecting frame 12 is realized.

Referring to fig. 4, the folding bar 14 includes a locking block 141 locked with the locking seat 2 and a folding bar 142 fixedly connected with the locking block 141. The clamping block 141 is provided with a moving chute 1411 which is connected with the limiting block 113 in a nested manner, the horizontal width of the moving chute 1411 is larger than the width of the limiting block 113, so that the moving chute 1411 can horizontally slide in a certain range in the horizontal direction, the clamping block 141 is separated from the clamping seat 2, the separation of the clamping seat 2 and the fixing seat 1 is realized, and meanwhile, the folding rod of the folding bicycle cannot be separated from the supporting frame 11 under the limiting action of the limiting block 113.

Referring to fig. 5, the clamping pin 112 is provided with a clamping interface 1121, which is matched with a clamping ring groove (not shown) on the mounting column. Under the arrangement of the combined structure of the clamping pin hole 111 and the clamping pin 112, the seat is fixedly connected to the support frame 11 through the mutual clamping of the clamping pin 112 and the mounting column below the seat, the seat is limited to rotate when in use, and when the seat direction needs to be adjusted, the clamping pin 112 is pulled out from the clamping pin hole 111, so that the seat rotates in the direction.

Referring to fig. 6, the engaging base 2 includes a connecting portion 21 fixedly connected to the front wheel assembly, an engaging portion 22 connected to the folding rod 14 in a snap-fit manner, a rotating portion 23 rotatably connected to the rear wheel assembly and having a circular disc structure, and a folding piece 24 having two ends respectively connected to the connecting frame 12 and the rotating portion 23 in a nested manner.

In this embodiment, the engaging portion 22 includes an accommodating cavity (not shown) disposed on a sidewall thereof for accommodating the position-limiting post 33 of the secondary lock 3 and a locking groove (not shown) cooperating with the locking block 141.

In this embodiment, the folding piece 24 has an arc-shaped structure, and the folding piece 24 is provided with a hollow slide 241 and an arc-shaped slide slot 242. The folding sheet 24 is slidably connected to the connecting frame 12 by pins which are sequentially inserted through the pin holes 121 of the connecting frame 12 and the slide 241.

Referring to fig. 7, the second lock 3 includes a second locking pressing portion 31, a limiting piece 32, and a limiting post 33 passing through the limiting piece 32 and connected to the second locking pressing portion 31 in a clamping manner.

In this embodiment, the limiting column 33 penetrates through a through hole formed in the mounting position 15 and is connected to a clamping position 311 formed at an end of the second lock pressing portion 31 in a clamping manner; when the second lock pressing part 31 is pressed down, the limiting column 33 is sequentially separated from the clamping position 311 and the through hole in the installation position 15, and when the second lock pressing part 31 is pressed down again, the clamping position 311 of the second lock pressing part 31 is in clamping connection with the limiting column 33 to reset.

Above-mentioned children's shallow beta structure can overturn the handspike subassembly and the seat of being connected with fixing base 1 and fold backward after pressing two locks 3 and pulling folding rod 14, compares with prior art, the utility model discloses the two locks 3 that set up and the two locking structures that folding rod 14 is united of receiving can prevent the mistake and touch, use safelyr. Meanwhile, the folding function of the two-section folding can be realized through the combined structure design of the clamping seat 2 and the fixed seat 1. The working principle is as follows:

firstly, pressing the two lock pressing parts 31 on the two locks 3 to make the limiting column 33 sequentially disengage from the clamping part 311 at the end of the two lock pressing parts 31 and the through hole on the mounting position 15 of the fixing base 1, i.e. the limiting column 33 is respectively separated from the bolt connection with the fixing base 1 and the engaging base 2, and at this time, the limiting column 33 is located in the accommodating cavity of the engaging part 22 of the engaging base 2;

then, the folding rod 14 for folding the car is pulled again, so that the clamping block 141 is separated from the clamping part 22 of the clamping seat 2, and the separation of the fixed seat 1 and the clamping seat 2 is realized, that is, the fixed seat 1 can rotate relative to the clamping seat 2 by taking the circle center 122 of the connecting frame 12 of the fixed seat 1 as a rotation axis, and a first-step folding function of synchronously turning back the hand push rod assembly and the seat assembly to be folded is realized; meanwhile, by adopting a bolt connection structure between the pin on the connecting frame 12 and the slide 241 on the folding piece 24 of the clamping seat 2, when the pin rotates along with the pin hole 121 on the connecting frame 12 of the fixing seat 1, the pin slides on the slide 241 to drive the clamping seat 2 to rotate by taking the circle center 231 on the rotating part 23 of the clamping seat 2 as a rotating axis, so that the second-step folding function of the front wheel assembly is realized, the whole folding process is finished, the hand push rod assembly, the front wheel assembly and the rear wheel assembly are folded to be positioned on the same plane, and the vehicle folding is realized.

To sum up, the utility model provides a children's shallow beta structure, it include fixing base, one end with the fixing base rotates the block seat of connecting and the other end and front wheel subassembly fixed connection and set up in the fixing base with two locks between the block seat. The design of two locking structures of two locks and the folding rod for folding the bicycle is adopted, so that the bicycle can be prevented from being touched by mistake and is safer to use. Meanwhile, through the structural design of the clamping seat and the fixed seat, after the folding rod of the folding bicycle is pulled, the fixed seat can rotate relative to the clamping seat by taking the circle center of the fixed seat connecting frame as a rotating axis, so that the first step folding function of synchronously turning back the hand push rod assembly and the seat assembly to be folded is realized; and the pin connection structure between the pin on the connecting frame and the slide way of the folding sheet of the clamping seat is adopted to drive the clamping seat to rotate by taking the circle center of the rotating part of the clamping seat as a rotating axis, so that the second-step folding function of the front wheel assembly is realized, the whole folding process is finished, the hand push rod assembly and the front wheel assembly are folded to be positioned on the same plane with the rear wheel assembly, and the vehicle folding is realized. Still utilize the integrated configuration of pinhole hole and bayonet lock, through the mutual block of bayonet lock and seat below erection column for seat fixed connection is on the support frame, and restriction seat rotates when using, when needs adjust the seat direction, pulls open the bayonet lock in the bayonet lock hole, realizes the rotation of seat direction.

The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a children's shallow beta structure which characterized in that: the folding structure of the children stroller comprises a fixed seat (1) and a clamping seat (2), wherein one end of the clamping seat is rotationally connected with the fixed seat (1), and the other end of the clamping seat is fixedly connected with a front wheel assembly; the fixed seat (1) comprises a support frame (11) connected with the seat, a connecting frame (12) rotationally connected with the rear wheel assembly and a fixed frame (13) fixedly connected with the hand push rod assembly;

a secondary lock (3) is arranged between the fixed seat (1) and the clamping seat (2); the bottom of the support frame (11) is provided with a folding rod (14) for folding the bicycle.

2. A stroller folding structure according to claim 1, characterized in that: the secondary lock (3) comprises a secondary lock pressing part (31), a limiting piece (32) and a limiting column (33) which penetrates through the limiting piece (32) and is connected with the secondary lock pressing part (31) in a clamping mode.

3. A stroller folding structure according to claim 2, characterized in that: the fixing seat (1) is provided with an installation position (15) for installing the secondary lock pressing part (31), and the limiting column (33) penetrates through a through hole formed in the installation position (15) and is connected with a clamping position (311) arranged at the end part of the secondary lock pressing part (31) in a clamping mode; two lock press portion (31) when being pressed down, spacing post (33) deviate from screens and install the through-hole on the position (15) in order, when pressing down again, two lock press portion (31) screens (311) with spacing post (33) joint resets.

4. A stroller folding structure according to claim 1, characterized in that: the clamping seat (2) comprises a connecting part (21) fixedly connected with the front wheel assembly, a clamping part (22) connected with the folding rod (14) of the folding bicycle in a clamping manner, a rotating part (23) connected with the rear wheel assembly in a rotating manner, and folding pieces (24) of which the two ends are respectively connected with the connecting frame (12) and the rotating part (23) in a nested manner.

5. A stroller folding structure according to claim 4, characterized in that: the folding sheet (24) is provided with a hollow slide way (241), the connecting frame (12) is provided with a pin hole (121), and the folding sheet (24) is connected with the connecting frame (12) in a sliding manner by pins which sequentially penetrate through the pin hole (121) and the slide way (241); the pin is fixedly connected in a pin hole (121) of the connecting frame (12).

6. A stroller folding structure according to claim 1, characterized in that: the support frame (11) comprises a clamping pin hole (111) arranged on the side wall of the support frame and a clamping pin (112) which penetrates through the clamping pin hole (111) and is connected with the mounting column of the seat.

7. The stroller fold construction of claim 6, wherein: the clamping pin (112) is provided with a clamping interface (1121) matched with the clamping ring groove on the mounting column.

8. A stroller folding structure according to claim 4, characterized in that: the folding rod (14) for collecting the bicycle comprises a clamping block (141) clamped with the clamping part (22) and a bicycle collecting rod (142) fixedly connected with the clamping block (141).

9. A stroller folding structure according to claim 8, characterized in that: the bottom of support frame (11) is provided with stopper (113), be provided with on joint piece (141) with stopper (113) nested connection's removal spout (1411).

10. A stroller folding structure according to claim 5, characterized in that: the folding sheet (24) is provided with an arc-shaped sliding groove (242).

11. A stroller folding structure according to claim 1, characterized in that: the two locks (3) and the folding rods (14) for folding the bicycle are independently arranged, and the folding function is realized by operating the two locks (3) and the folding rods (14) for folding the bicycle in sequence.