CN215553497U

CN215553497U - Automatic locking and unlocking device for multi-gear adjustment of hard backrest of stroller

Info

Publication number: CN215553497U
Application number: CN202023321218.7U
Authority: CN
Inventors: 吴德强; 何平
Original assignee: Kunshan Aitebao Children's Products Technology Co ltd
Current assignee: Kunshan Aitebao Children's Products Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2022-01-18
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses an automatic locking and unlocking device for multi-gear adjustment of a hard backrest of a stroller, which comprises a telescopic push rod, a second support frame and a backrest tube, wherein the outer wall of one side of the telescopic push rod is rotatably connected with the first support frame, one end of the second support frame is fixedly connected with an installation block, the outer wall of the installation block is rotatably connected with universal wheels, and cross rods are rotatably connected between the outer walls of the universal wheels. Through transferring the back pipe to being less than 95 just can the unblock, then just can up transfer the gear from the beginning, each gear all takes locking device, the angle through adjusting the pipe of leaning on drives the movable block motion, the movable block drives first regulating block and rotates, the second regulating block is spacing to first regulating block, this device passes through the setting of back pipe, conveniently adjust children's back angle, thereby be adapted to different demands, improve the comfort level that children used, the back after the convenience was adjusted simultaneously locks.

Description

Automatic locking and unlocking device for multi-gear adjustment of hard backrest of stroller

Technical Field

The utility model belongs to the technical field of baby strollers, and particularly relates to an automatic locking and unlocking device for multi-gear adjustment of a hard backrest of a baby stroller.

Background

The child stroller is a vehicle for children, and can be moved only by assisting in pushing or pulling by people. The baby stroller generally comprises a sunshade, a seat cushion, a sleeping basket and a haze-proof cover, and the service life of the baby stroller is generally three to five years. The age of the child is taken into account when choosing a baby, and the functions of the baby stroller are upgraded to sleep, eat, play and the like. The children's shallow carries less children to carry out outdoor activities for the adult and provides very big convenience, and for the use travelling comfort that improves children's shallow, the angle of the back of children's shallow among the prior art generally all can be adjusted to make children's shallow have position of sitting user state and the position of lying user state.

However, in the prior art, the angle adjustment operation of the backrest is complex, the backrest is inconvenient to adjust to a proper angle, and the backrest is inconvenient to fix after the adjustment is completed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic locking and unlocking device for multi-gear adjustment of a hard backrest of a stroller, which aims to solve the problem that the conventional automatic locking and unlocking device for multi-gear adjustment of the hard backrest of the stroller in the background art is inconvenient to use due to complicated angle adjustment operation of the backrest in the prior art in the use process.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an automatic locking and unlocking device that hard back of children's shallow was adjusted in shelves, includes telescopic push rod, second support frame and back pipe, one side outer wall of telescopic push rod rotates and is connected with first support frame, the one end fixedly connected with installation piece of second support frame, the outer wall of installation piece rotates and is connected with the universal wheel, it is connected with the horizontal pole to rotate between the outer wall of universal wheel.

The utility model discloses a backrest pipe's installation, including backrest pipe, back pipe, inner wall swing joint, the inner wall of movable block has the movable block, the inner wall of movable block is seted up flutedly, the both sides of recess are formed with first regulating block, the outer wall swing joint of movable block has the mounting panel, the inner wall fixedly connected with second regulating block of mounting panel, one side outer wall fixedly connected with head rod of movable block is kept away from to the mounting panel, one side outer wall fixedly connected with seat pocket frame of head rod, the top outer wall fixedly connected with gusset plate of head rod.

Preferably, the outer wall of the cross rod is movably connected with a baffle, and the first support frame and the second support frame are respectively arranged on two sides of the baffle.

Preferably, the outer wall of the mounting plate is provided with an adjusting hole, and the inner wall of the adjusting hole is rotatably connected with an adjusting rod.

Preferably, the outer wall of first regulating block and the outer wall rotation of second regulating block are connected, the outer wall fixedly connected with dwang of second regulating block, the outer wall of dwang and the outer wall rotation of head rod are connected, the outer wall of dwang has cup jointed the torsional spring.

Preferably, the outer wall of one side of the telescopic push rod is rotatably connected with a second connecting rod, one end, far away from the telescopic push rod, of the second connecting rod is movably connected with a third connecting rod, and a pedal is fixedly connected between the outer walls of the third connecting rods.

Preferably, the outer wall of the first support frame is fixedly connected with a fixed block, and the inner wall of the fixed block is movably connected with a sunshade.

Compared with the prior art, the utility model has the beneficial effects that:

1. through placing children in the seat pocket, both feet are placed on the running-board, drive this device motion through the cooperation of flexible push rod and universal wheel, through the setting of baffle, shelter from the children of sitting in the seat pocket, avoid children to lean forward and drop, guarantee children's safety, through the swing joint of flexible push rod and first support frame, can adjust the angle of flexible push rod, can shelter from the sun through the setting of awning, play sun-proof effect.

2. Through transferring the back pipe to being less than 95 just can the unblock, then just can up transfer the gear from the beginning, each gear all takes locking device, the angle through adjusting the pipe of leaning on drives the movable block motion, the movable block drives first regulating block and rotates, the second regulating block is spacing to first regulating block, this device passes through the setting of back pipe, conveniently adjust children's back angle, thereby be adapted to different demands, improve the comfort level that children used, the back after the convenience was adjusted simultaneously locks.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the structure of the backrest tube of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;

FIG. 5 is a schematic view of the backrest of the present invention adjusted at greater than 95 degrees;

fig. 6 is a schematic view of the backrest of the present invention adjusted to less than 175 degrees.

In the figure: 1. a telescopic push rod; 2. a first support frame; 3. a second support frame; 4. mounting blocks; 5. a universal wheel; 6. a baffle plate; 7. a cross bar; 8. a back tube; 81. a movable block; 82. a groove; 83. a first regulating block; 84. mounting a plate; 85. an adjustment hole; 86. a second regulating block; 87. A first connecting rod; 88. a seat pocket frame; 89. a reinforcing plate; 9. a second connecting rod; 10. a third connecting rod; 11. a foot pedal; 12. a sunshade is provided.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: an automatic locking and unlocking device for multi-gear adjustment of a hard backrest of a children stroller comprises a telescopic push rod 1, second support frame 3 and back pipe 8, one side outer wall of telescopic push rod 1 rotates and is connected with first support frame 2, the one end fixedly connected with installation piece 4 of second support frame 3, the outer wall of installation piece 4 rotates and is connected with universal wheel 5, it is connected with horizontal pole 7 to rotate between the outer wall of universal wheel 5, the inner wall swing joint of back pipe 8 has movable block 81, recess 82 has been seted up to the inner wall of movable block 81, the both sides of recess 82 are formed with first regulating block 83, the outer wall swing joint of movable block 81 has mounting panel 84, the inner wall fixedly connected with second regulating block 86 of mounting panel 84, one side outer wall fixedly connected with head rod 87 of movable block 81 is kept away from to mounting panel 84, one side outer wall fixedly connected with seat pocket frame 88 of head rod 87, head rod 87's top outer wall fixedly connected with gusset plate 89.

In the embodiment, children are placed in the seat pocket, two feet are placed on the pedal plate 11, the device is driven to move through the matching of the telescopic push rod 1 and the universal wheel 5, the children sitting in the seat pocket are shielded through the arrangement of the baffle 6, the forward leaning and falling of the children are avoided, the safety of the children is ensured, the angle of the telescopic push rod 1 can be adjusted through the movable connection of the telescopic push rod 1 and the first support frame 2, the sun can be shielded through the arrangement of the awning 12, and the sun-proof effect is achieved; when the angle of the backrest pipe 8 needs to be adjusted, the backrest pipe needs to be adjusted to be less than 95 degrees to unlock, then the gear can be adjusted upwards from the beginning, each gear is provided with a locking device, the movable block 81 is driven to move by adjusting the angle of the backrest pipe 8, the movable block 81 drives the first adjusting block 83 to rotate, and the second adjusting block 86 limits the first adjusting block 83.

Specifically, the outer wall of the cross rod 7 is movably connected with a baffle 6, and the first support frame 2 and the second support frame 3 are respectively arranged on two sides of the baffle 6.

In this embodiment, through the setting of baffle 6, shelter from the children of sitting in the seat pocket, avoid children to lean forward and drop, guarantee children's safety, the first support frame 2 and the second support frame 3 of both sides provide the condition for the installation of universal wheel 5.

Specifically, the outer wall of the mounting plate 84 is provided with an adjusting hole 85, and the inner wall of the adjusting hole 85 is rotatably connected with an adjusting rod.

In the present embodiment, the first adjusting block 83 and the second adjusting block 86 are fixed by the adjusting hole 85 and the adjusting rod.

Specifically, the outer wall of first regulating block 83 rotates with the outer wall of second regulating block 86 to be connected, the outer wall fixedly connected with dwang of second regulating block 86, the outer wall of dwang rotates with the outer wall of head rod 87 to be connected, the outer wall of dwang has cup jointed the torsional spring.

In the present embodiment, the second adjusting block 86 provides a limit for the rotation of the first adjusting block 83, and a locking device is provided in the mounting plate 84, so that the locking device can be unlocked only when the backrest pipe 8 is adjusted to less than 95 °, and then the gear positions can be adjusted upwards from the beginning, and each gear position is provided with the locking device.

Specifically, the outer wall of one side of the telescopic push rod 1 is rotatably connected with a second connecting rod 9, one end of the second connecting rod 9, which is far away from the telescopic push rod 1, is movably connected with a third connecting rod 10, and a pedal 11 is fixedly connected between the outer walls of the third connecting rods 10.

In this embodiment, through the arrangement of the second connecting rod 9 and the third connecting rod 10, conditions are provided for the installation and movement of the pedal plate 11, and through the arrangement of the pedal plate 11, the support is conveniently provided for the feet of the child.

Specifically, the outer wall of the first support frame 2 is fixedly connected with a fixed block, and the inner wall of the fixed block is movably connected with a sunshade 12.

In this embodiment, the awning 12 is arranged to prevent sun and to shield foreign objects, so as to prevent children from being hurt by the outside.

The working principle and the using process of the utility model are as follows: when the folding seat is used, a child is placed in the seat pocket, two feet are placed on the pedal plate 11, the folding seat is driven to move through the matching of the telescopic push rod 1 and the universal wheels 5, the child sitting in the seat pocket is shielded through the arrangement of the baffle plate 6, the child is prevented from inclining forwards and falling down, the safety of the child is ensured, the angle of the telescopic push rod 1 can be adjusted through the movable connection of the telescopic push rod 1 and the first support frame 2, the sun can be shielded through the arrangement of the awning 12, and the sun-proof effect is achieved; when the angle of the back tube 8 needs to be adjusted, the back tube needs to be adjusted to be smaller than 95 degrees to unlock, then the gear can be adjusted upwards from the beginning, each gear is provided with a locking device, the movable block 81 is driven to move by adjusting the angle of the back tube 8, the movable block 81 drives the first adjusting block 83 to rotate, and the second adjusting block 86 limits the first adjusting block 83.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic locking and unlocking device that hard back of children's shallow was adjusted to shelves more, includes telescopic push rod (1), second support frame (3) and back pipe (8), its characterized in that: a first support frame (2) is rotatably connected to the outer wall of one side of the telescopic push rod (1), one end of the second support frame (3) is fixedly connected with an installation block (4), the outer wall of the installation block (4) is rotatably connected with a universal wheel (5), and a cross rod (7) is rotatably connected between the outer walls of the universal wheels (5);

the inner wall swing joint of back pipe (8) has movable block (81), recess (82) are seted up to the inner wall of movable block (81), the both sides of recess (82) are formed with first regulating block (83), the outer wall swing joint of movable block (81) has mounting panel (84), the inner wall fixedly connected with second regulating block (86) of mounting panel (84), one side outer wall fixedly connected with head rod (87) of movable block (81) are kept away from in mounting panel (84), one side outer wall fixedly connected with seat pocket frame (88) of head rod (87), the top outer wall fixedly connected with gusset plate (89) of head rod (87).

2. The automatic locking and unlocking device for multi-stage adjustment of hard backrest of stroller as claimed in claim 1, wherein: the outer wall of the cross rod (7) is movably connected with a baffle (6), and the first support frame (2) and the second support frame (3) are respectively arranged on two sides of the baffle (6).

3. The automatic locking and unlocking device for multi-stage adjustment of hard backrest of stroller as claimed in claim 1, wherein: adjusting holes (85) are formed in the outer wall of the mounting plate (84), and adjusting rods are rotatably connected to the inner wall of the adjusting holes (85).

4. The automatic locking and unlocking device for multi-stage adjustment of hard backrest of stroller as claimed in claim 1, wherein: the outer wall of first regulating block (83) rotates with the outer wall of second regulating block (86) to be connected, the outer wall fixedly connected with dwang of second regulating block (86), the outer wall of dwang rotates with the outer wall of head rod (87) to be connected, the outer wall of dwang has cup jointed the torsional spring.

5. The automatic locking and unlocking device for multi-stage adjustment of hard backrest of stroller as claimed in claim 1, wherein: the outer wall of one side of the telescopic push rod (1) is rotatably connected with a second connecting rod (9), one end, far away from the telescopic push rod (1), of the second connecting rod (9) is movably connected with a third connecting rod (10), and a pedal (11) is fixedly connected between the outer walls of the third connecting rods (10).

6. The automatic locking and unlocking device for multi-stage adjustment of hard backrest of stroller as claimed in claim 1, wherein: the outer wall of the first support frame (2) is fixedly connected with a fixed block, and the inner wall of the fixed block is movably connected with a sunshade (12).