CN201626465U - Baby carriage backrest dismounting structure - Google Patents

Abstract

The utility model discloses a baby stroller backrest disassembly and assembly structure, which includes an upper pivot seat fixed on the left and right sides of the backrest frame and a lower pivot seat fixed on the left and right sides of the stroller body; the upper pivot seat includes a shell composed of a front shell and a rear shell, a moving block is installed in the shell, a handle is provided on the upper end of the moving block near the side of the front shell, a push-up inclined surface is provided on the lower end of the moving block near the side of the rear shell, a window is provided on the front shell, a through slot is also provided on the moving block, a shaft is provided in the through slot, one end of the shaft passes through the front shell and is inserted into the shaft hole of the lower pivot seat, and the other end of the shaft is connected to an elastic component. The utility model has the following advantages: 1. Simple structure, few components, and low cost; 2. Convenient disassembly and assembly, the backrest frame can be disassembled from the baby stroller body by only lifting the moving block on the upper pivot seat; and when installing, only the shafts of the upper pivot seats on the left and right sides of the backrest frame need to be inserted into the shaft holes on the lower pivot seat of the baby stroller body.

Description

A structure for disassembling the backrest of a baby carriage

【Technical field】

The utility model relates to a disassembly and assembly structure for a backrest of a baby carriage.

【Background technique】

In order to improve the comfort of the baby, the stroller is generally provided with a backrest at the back of the seat. In order to make the baby carriage not take up space during transportation and storage, the backrest is generally designed as a detachable structure. However, there are the following defects in the existing baby carriage backrest disassembly structure: 1, complex structure, numerous components, and high cost; 2, disassembly is inconvenient, and some need to adopt tools and installers to disassemble the backrest.

【Content of utility model】

The purpose of the utility model is to overcome the deficiencies of the prior art, to provide a simple structure, low cost, easy disassembly and assembly; the backrest of the baby carriage can be disassembled and assembled without using tools.

The purpose of this utility model is achieved like this:

A structure for disassembling the backrest of a stroller, the body of the stroller includes a front foot bar, a rear foot bar, a push frame, and a backrest frame pivotally connected together; it is characterized in that:

The backrest detachable structure includes an upper pivotal seat fixed on the left and right sides of the backrest frame and a lower pivotal seat fixed on the left and right sides of the car body; the backrest frame and the car body pass through the upper pivotal seat Pivoted together with the lower pivot seat;

The upper pivot seat includes a shell composed of a front shell and a rear shell, and a moving block is installed in the shell. A handle is provided on the upper end of the moving block near a side of the front shell, and a handle is provided on a side of the moving block near a side of the rear shell. There is a push-off inclined surface, a window is provided at the corresponding position of the handle of the moving block on the front shell, and a through groove is provided on the moving block, and a shaft is arranged in the through groove, and one end of the shaft passes through the front shell and is inserted into the lower pivot seat In the shaft hole of the shaft, the other end of the shaft is connected with an elastic component that is stuck between the rear shell and the moving block and can push the shaft back.

The above-mentioned structure for disassembling the backrest of a stroller is characterized in that the elastic component includes a sleeve connected to the shaft, the diameter of the sleeve is larger than the through groove, a spring is provided in the sleeve, and a sleeve is provided inside the rear shell. The limit hole for barrel insertion.

The structure for disassembling and assembling the backrest of a stroller as described above is characterized in that the lower pivot seat is provided with a circular pivot plate, and the upper pivot seat is provided with a socket for the insertion of the circular pivot plate. setting space.

Compared with the prior art, the utility model has the following advantages:

1. Simple structure, few components and low cost;

2. It is easy to disassemble and assemble. You only need to pull the moving block on the upper pivotal seat to remove the backrest frame from the stroller body; The shaft of the seat is inserted into the shaft hole on the pivot seat under the stroller body to complete the installation.

【Description of drawings】

Fig. 1 is a perspective view of the utility model baby carriage;

Fig. 2 is an exploded view of the utility model baby carriage;

Fig. 3 is an enlarged view of part A of Fig. 2;

Fig. 4 is one of the exploded views of the structure of the upper pivot seat;

Fig. 5 is the second exploded view of the structure of the upper pivotal seat.

【Detailed ways】

A backrest detachable structure of a stroller, the body 1 of the stroller includes a front foot bar 11, a rear foot bar 12, a push frame 13, and a back frame 14 which are pivotally connected together; Front casters 110 and rear casters 120.

The backrest disassembly structure includes an upper pivotal seat 15 fixed on the left and right sides of the backrest frame 14 and a lower pivotal seat 16 fixed on the left and right sides of the car body 1; The seat 16 is provided with a circular pivot plate 161, and the upper pivot seat 15 is provided with an accommodating space 150 for the insertion of the circular pivot plate 161, so that the back frame 14 and the vehicle body 1 pass through the upper pivot seat 15. Pivoted together with the lower pivot seat 16;

The upper pivot seat 15 includes a shell 151 made up of a front shell 1510 and a rear shell 1511. A moving block 18 is housed in the shell 151. A handle 181 is provided on the upper end of the moving block 18 near the front shell 1510. The moving block The lower end of 18 is provided with a push-off slope 182 on one side near the rear shell 1511, and a window 152 is provided at the corresponding position of the handle 181 of the moving block 18 on the front shell 1510, and a through groove 183 is also arranged on the moving block 18, and the through groove 183 is provided with a shaft 17, one end of the shaft 17 is inserted into the shaft hole 160 of the lower pivot seat 16 through the front shell 1510, and the other end of the shaft 17 is provided with an elastic component 19 that can drive the shaft 17 to move.

When the user needs to disassemble the back frame 14 from the stroller body 1, he only needs to reach in through the window 152 on the front shell 1510 of the upper pivotal seat 15, and pull the moving block 18 in the upper pivotal seat 15. , the moving block 18 moves upwards, and at this time, a lateral thrust is generated between the pushing slope 182 at the lower end of the moving block 18 and the rear shell 1511, so that the shaft 17 moves toward the rear shell 1511, so that the shaft 17 moves from the lower pivot seat 16 The shaft hole 160 is retracted so that the backrest frame 14 can be removed from the stroller body 1 . When the back frame 14 needs to be installed on the stroller body 1, only the shaft 17 of the upper pivot seat 15 on the left and right sides of the back frame 14 is inserted into the lower pivot seat 16 of the stroller body 1. In the shaft hole 160, the shaft 17 is reset under the action of the elastic component 19 at this time, that is, the installation is completed.

The elastic assembly 19 includes a sleeve 191 connected to the shaft 17 , a spring 192 is disposed in the sleeve 191 , and a limiting hole 1513 for inserting the sleeve 191 is disposed inside the rear shell 1511 .

Claims (3)

1. baby cart back rest disassembly and assembly structure, the car body of this perambulator (1) comprise preceding foot lever (11), back foot lever (12), hand push frame (13), the backrest skeleton (14) that is articulated; It is characterized in that:

Described backrest disassembly and assembly structure comprises that being fixed on backrest skeleton (14) goes up the last pivot connecting seat (15) of and arranged on left and right sides and be fixed on the following pivot connecting seat (16) that car body (1) is gone up and arranged on left and right sides; Backrest skeleton (14) and car body (1) are articulated by last pivot connecting seat (15) and following pivot connecting seat (16);

The described pivot connecting seat (15) of going up comprises the shell of being made up of fore shell (1510) and back cover (1511) (151), one movable block (18) is housed in the shell (151), the upper end of movable block (18) is provided with a handle (181) near a side of fore shell (1510), the lower end of movable block (18) is provided with ejection inclined-plane (182) near a side of back cover (1511), handle (181) correspondence position that described fore shell (1510) is gone up movable block (18) is provided with window (152), also be provided with groove (183) on the movable block (18), be provided with axle (17) in the groove (183), one end of axle (17) passes in the axis hole (160) that fore shell (1510) is inserted into down pivot connecting seat (16), the other end of axle (17) be connected be stuck in back cover (1511) and movable block (18) but between the elastic parts (19) that resets of impeller-hub (17) also.

2. a kind of baby cart back rest disassembly and assembly structure according to claim 1, it is characterized in that elastic parts (19) comprises the sleeve (191) that is connected with axle (17), the diameter of sleeve (191) is greater than groove (130), be provided with spring (192) in the sleeve (191), back cover (1511) inboard is provided with the spacing hole (1513) that can supply sleeve (191) to insert.

3. a kind of baby cart back rest disassembly and assembly structure according to claim 1, it is characterized in that described pivot connecting seat (16) down is provided with circular pivot joint dish (161), the described pivot connecting seat (15) of going up is provided with and can inserts the accommodation space (150) that cooperates for circular pivot joint dish (161).

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