CN210133170U

CN210133170U - Backrest linkage structure of baby carriage

Info

Publication number: CN210133170U
Application number: CN201920951815.6U
Authority: CN
Inventors: 李伟琼
Original assignee: Kunshan Weikai Children Products Co Ltd
Current assignee: Kunshan Weikai Children Products Co Ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-03-10
Anticipated expiration: 2029-06-24

Abstract

The utility model discloses a backrest linkage structure of a baby carriage, which comprises a lower frame with a rear support component, a lower push rod component and a rear support rod component which are respectively rotationally connected with the upper part of the rear support component, a cushion rod component, a seat plate and a linkage belt; the rear part of the cushion rod component is rotationally connected with the rear support rod component, and the middle part of the cushion rod component is movably connected with the lower push rod component through a linkage mechanism; the seat plate comprises a sitting part, a leaning part which is rotationally connected with the sitting part and a headrest part which is rotationally connected with the upper part of the leaning part, the sitting part is arranged on the cushion rod component, the rear end of the linkage belt is connected with the headrest part, and the front end of the linkage belt extends into the lower part to be connected with the upper part of the lower frame after leaning against the front of the sitting part and passing through the through hole on the sitting part; when the bassinet is folding, the interlock area drives head rest portion and rotates and lean on relatively to establish the portion and draw in, avoids it to stretch out the formation and stab out the part after whole car is folding, reduces whole car folding volume, does benefit to accomodate and deposits, has avoided the potential safety hazard moreover.

Description

Backrest linkage structure of baby carriage

Technical Field

The utility model relates to a backrest linkage structure of a baby carriage.

Background

In order to reduce the storage volume of the frame as much as possible, the existing baby carriage has the functions of folding and folding. When current baby's shallow is folding, because the high distance of back subassembly is great, it often can surpass the folding length of frame after consequently folding, forms and stabs out the part, is unfavorable for not only reducing whole car folding volume like this, is unfavorable for accomodating and deposits, and local salient can cause certain potential safety hazard moreover.

Disclosure of Invention

The utility model discloses the purpose is: the utility model provides a back linkage structure of bassinet, its is when the bassinet is folding, and the interlock area drives head rest portion and rotates and lean on relatively establishing the portion and draw in, avoids it to stretch out the formation and stab out the part after whole car is folding, reduces whole car folding volume, does benefit to accomodate and deposits, has avoided the potential safety hazard moreover.

The technical scheme of the utility model is that: a backrest linkage structure of a baby carrier comprises a lower frame with a rear support assembly, a lower push rod assembly and a rear support rod assembly which are respectively and rotatably connected with the upper part of the rear support assembly, a cushion rod assembly, a seat plate and a linkage belt; the rotary connecting point of the rear support rod assembly and the rear support assembly is positioned behind the rotary connecting point of the lower push rod assembly and the rear support assembly; the rear part of the cushion rod component is rotationally connected with the rear stay rod component, and the middle part of the cushion rod component is movably connected with the lower push rod component through a linkage mechanism; the seat plate comprises a sitting part, a leaning part which is rotatably connected with the sitting part and a headrest part which is rotatably connected with the upper part of the leaning part, the sitting part is arranged on the cushion rod component, the rear end of the linkage belt is connected with the headrest part, and the front end of the linkage belt extends into the lower part to be connected with the upper part of the lower frame after leaning against the front surface of the sitting part and penetrating through a penetrating opening on the sitting part;

when the bassinet is folding, lower push rod subassembly, back vaulting pole subassembly rotate to the rear below round the turning point between it and the back support subassembly respectively, and the back support subassembly draws in relatively, and the rotation tie point of cushion rod subassembly and back vaulting pole subassembly moves backward along with pivoted back vaulting pole subassembly, and the distance grow between headrest portion and the lower carriage upper portion this moment, and the interlock area drives headrest portion and rotates and lean on relatively to establish the portion and draw in.

Furthermore, the lower frame also comprises a front support assembly rotatably connected with the upper part of the rear support assembly, a front wheel assembly arranged below the front support assembly and a rear wheel assembly arranged below the rear support assembly; the upper part of the front support component is provided with a transverse rod extending transversely near the rotary joint of the front support component and the rear support component, and the front end of the linkage belt is connected with the upper part of the lower frame through the connection with the transverse rod.

Furthermore, the sitting part and the leaning part of the seat plate are of an integrated plate-shaped structure, and the sitting part and the leaning part of the seat plate realize relative rotation through a back reticle at the joint of the sitting part and the leaning part; the lower edge of the headrest part is rotatably connected with the upper edge of the leaning part through a hinge.

Furthermore, the number of the linkage belts is two, and the linkage belts are arranged symmetrically left and right. The headrest is provided with an assembly opening for mounting the rear end of the connecting belt.

Furthermore, the linkage mechanism is a sliding sleeve which is connected with the lower push rod assembly through a transverse rotating pin, and a side rod of the cushion rod assembly penetrates through the corresponding sliding sleeve and can slide back and forth along the sliding sleeve.

The utility model has the advantages that: when the bassinet is folding, lower push rod subassembly, back vaulting pole subassembly rotates to the rear below round the turning point between it and the back support subassembly respectively, relative back support subassembly draws in, the rotation tie point of cushion rod subassembly and back vaulting pole subassembly moves after along with pivoted back vaulting pole subassembly, the distance grow between head rest portion and the lower carriage upper portion this moment, the interlock area drives head rest portion and rotates and lean on relatively and establish the portion and draw in, avoid it to stretch out the formation after whole car is folding and stab out the part, reduce whole car folding volume, do benefit to and accomodate and deposit, and the potential safety hazard has been avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention in a certain use state;

fig. 2 is a schematic structural view of the utility model during the folding process;

fig. 3 is a schematic structural view after the utility model is folded;

fig. 4 is a schematic structural view of the seat plate of the present invention.

Wherein: 1, a rear support component; 2 pushing down the lever assembly; 3 a rear stay bar assembly; 4 cushion rod assembly; 5 a seat plate; 5-1 sitting part; 5-1-1 piercing; 5-2 leaning part; 5-3 a headrest portion; 5-3-1 assembly port; 6, a linkage belt; 7 a front support assembly; 7-1 cross bar; 8 a front wheel assembly; 9 a rear wheel assembly; 10 sliding sleeve.

Detailed Description

The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present invention. The conditions employed in the examples may be further adjusted according to specific conditions, and the conditions not specified are generally conditions in routine experiments.

As shown in fig. 1 to 4, a backrest linkage structure of a baby carriage comprises a lower frame with a rear support assembly 1, a lower push rod assembly 2 and a rear support rod assembly 3 which are respectively connected with the upper part of the rear support assembly 1 in a rotating way, a cushion rod assembly 4, a seat plate 5 and a linkage belt 6; the rotary connecting point of the rear support rod assembly 3 and the rear support assembly 1 is positioned behind the rotary connecting point of the lower push rod assembly 2 and the rear support assembly 1; the rear part of the cushion rod component is rotationally connected with the rear stay bar component, and the middle part of the cushion rod component 4 is movably connected with the lower push rod component 2 through a linkage mechanism; seat board 5 establishes portion 5-1 including the seat, establishes portion 5-1 with the seat and rotates leaning on establishing portion 5-2 and leaning on establishing portion 5-2 upper portion and rotate headrest portion 5-3 of being connected, and it is sat and establishes portion 5-1 and install on cushion bar component 4, 6 rear ends in interlock area with headrest portion 5-3 links to each other, the front end in interlock area 6 is through leaning on establishing portion 5-2 openly and passing and establishing portion 5-1 on the portion 5-1 after stretching into the below and linking to each other with the upper portion of lower frame.

In this embodiment, the lower frame further includes a front frame assembly 7 rotatably connected to the upper portion of the rear frame assembly 1, a front wheel assembly 8 disposed below the front frame assembly 7, and a rear wheel assembly 9 disposed below the rear frame assembly 1; the upper part of the front support component 7 is provided with a transverse rod 7-1 which extends transversely near the rotary joint of the front support component 7 and the rear support component 1, and the front end of the linkage belt 6 is connected with the upper part of the lower frame through the connection with the transverse rod 7-1.

In this embodiment, the sitting portion 5-1 and the leaning portion 5-2 of the seat plate 5 are of an integrated plate-shaped structure, and the two parts realize relative rotation through a back reticle at the joint; the lower edge of the headrest part 5-3 is rotatably connected with the upper edge of the leaning part 5-2 through a hinge.

In this embodiment, the two linkage belts 6 are symmetrically arranged. The headrest part 5-3 is provided with an assembly opening 5-3-1 for mounting the rear end of the connecting belt 6.

In this embodiment, the linkage mechanism is a sliding sleeve 10 pinned on the lower push rod assembly 2 in a transverse rotation manner, and the side rods of the cushion rod assembly 4 penetrate through the corresponding sliding sleeve 10 and can slide back and forth along the sliding sleeve.

When the bassinet is folding, lower push rod subassembly 2, back vaulting pole subassembly 3 rotates to the rear below round the turning point between its and the back support subassembly 1 respectively, relative back support subassembly 1 draws in, the rotation tie point of cushion pole subassembly 4 and back vaulting pole subassembly 3 moves after along with pivoted back vaulting pole subassembly 3, the distance grow between headrest portion 5-3 and the lower frame upper portion this moment, interlock area 6 drives headrest portion 5-3 and rotates and lean on relatively to establish the portion and draw in, avoid it to stretch out after whole car is folding and form and stab out the part, reduce whole car folding volume, do benefit to and accomodate and deposit, and avoided the potential safety hazard.

The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. In addition to the above embodiments, other embodiments of the present invention are also possible. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the scope of the present invention as claimed.

Claims

1. A backrest linkage structure of a baby carriage is characterized in that: comprises a lower frame with a rear support assembly (1), a lower push rod assembly (2) and a rear support rod assembly (3) which are respectively connected with the upper part of the rear support assembly (1) in a rotating way, a cushion rod assembly (4), a seat plate (5) and a linkage belt (6); the rotary connecting point of the rear support rod assembly (3) and the rear support assembly (1) is positioned behind the rotary connecting point of the lower push rod assembly (2) and the rear support assembly (1); the rear part of the cushion rod component is rotationally connected with the rear stay rod component, and the middle part of the cushion rod component (4) is movably connected with the lower push rod component (2) through a linkage mechanism; the seat plate (5) comprises a sitting part (5-1), a leaning part (5-2) rotationally connected with the sitting part (5-1) and a headrest part (5-3) rotationally connected with the upper part of the leaning part (5-2), the sitting part (5-1) is installed on the cushion rod component (4), the rear end of the linkage belt (6) is connected with the headrest part (5-3), and the front end of the linkage belt (6) stretches into the lower part to be connected with the upper part of the lower frame after leaning on the front side of the sitting part (5-2) and passing through a penetrating opening (5-1-1) in the sitting part (5-1);

when the baby carrier is folded, the lower push rod component (2) and the rear support rod component (3) rotate towards the rear lower part around the rotating point between the lower push rod component and the rear support component (1) respectively, the rear support component (1) is folded relatively, the rotating connecting point of the cushion rod component (4) and the rear support rod component (3) moves backwards along with the rotating rear support rod component (3), the distance between the headrest part (5-3) and the upper part of the lower frame is increased at the moment, and the linkage belt (6) drives the headrest part (5-3) to rotate and relatively lean against the setting part to be folded.

2. A backrest linkage structure for a stroller according to claim 1, wherein: the lower frame also comprises a front support assembly (7) rotatably connected with the upper part of the rear support assembly (1), a front wheel assembly (8) arranged below the front support assembly (7), and a rear wheel assembly (9) arranged below the rear support assembly (1); the upper part of the front support component (7) is provided with a transverse rod (7-1) which extends transversely near the rotary connection part of the front support component and the rear support component (1), and the front end of the linkage belt (6) is connected with the upper part of the lower support through the connection with the transverse rod (7-1).

3. A backrest linkage structure for a stroller according to claim 1, wherein: the sitting part (5-1) and the leaning part (5-2) of the seat plate (5) are of an integrated plate-shaped structure, and the sitting part and the leaning part realize relative rotation through back marks at the joint; the lower edge of the headrest part (5-3) is rotatably connected with the upper edge of the leaning part (5-2) through a hinge.

4. A backrest linkage structure for a stroller according to claim 1, wherein: the two linkage belts (6) are symmetrically arranged left and right.

5. A backrest linkage structure of a stroller according to claim 1 or 4, wherein: the headrest part (5-3) is provided with an assembly opening (5-3-1) for mounting the rear end of the connecting belt (6).

6. A backrest linkage structure for a stroller according to claim 1, wherein: the linkage mechanism is a sliding sleeve (10) which is connected with the lower push rod component (2) through a transverse rotating pin, and a side rod of the cushion rod component (4) penetrates through the corresponding sliding sleeve (10) and can slide back and forth along the sliding sleeve.