CN217835729U

CN217835729U - Children's shallow with automatic unlocking device of back

Info

Publication number: CN217835729U
Application number: CN202220507662.8U
Authority: CN
Inventors: 李平
Original assignee: Shucheng Leqi Children's Products Co ltd
Current assignee: Shucheng Leqi Children's Products Co ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-11-18
Anticipated expiration: 2032-03-09

Abstract

The utility model relates to a children's shallow with automatic unlocking device of back, including foldable main frame to and with main frame articulated back foot pipe, the side surface fixedly connected with of back foot pipe connects the iron sheet, and the main frame articulates the both ends in the frame pipe with being connected the iron sheet. The utility model discloses a be provided with connecting rod and deblocking piece on the seat pipe, when the car is received, because the seat pipe is different with the rotatory axle center of connecting rod, make deblocking piece produce relative slip on the seat pipe, this slip process is used for jack-up spring bolt unblock back pipe, make the back pipe can automatic unblock, convenient rotatory folding, when receiving the car, the seat pipe uses first articulated shaft to rotate as the center to back foot pipe direction, the connecting rod uses the second articulated shaft to do the equidirectional rotation as the center, the connecting rod drives deblocking piece and slides along the seat pipe, with pin and spring bolt along back pipe direction jack-up, the spring bolt upwards slides, at this moment locking device between back pipe and the seat pipe relieves.

Description

Children's shallow with automatic unlocking device of back

Technical Field

The utility model belongs to the children's shallow field, concretely relates to children's shallow with automatic unlocking device of back.

Background

The child stroller is a tool stroller designed to provide convenience for outdoor activities of infants, has various vehicle types, is generally used by children of 0-36 months, and is a vehicle for children to walk only when people assist in pushing or pulling.

The folding child stroller is a baby stroller, a main framework needs to be bent backwards to fold the stroller when the stroller is folded, the stroller cannot be folded directly when the stroller is in a sitting position, a backrest needs to be adjusted to a lying position before the stroller can be folded, the operation process is troublesome, and the operation is inconvenient when children are carried.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a children's shallow with automatic unlocking device of back in order to solve above-mentioned problem simple structure, reasonable in design just.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

the utility model provides a children's shallow with automatic unlocking device of back, includes foldable main skeleton to and with main skeleton articulated back foot pipe, the side surface fixedly connected with of back foot pipe connects the iron sheet, the main skeleton with connect the both ends that the iron sheet articulates at the frame pipe, the one end of frame pipe is articulated through fourth articulated axle and is provided with the back pipe, and the surface of frame pipe still is provided with the back regulation fixing base that is used for fixed back pipe simultaneously, the inside bottom of back pipe is provided with adjusts fixing base assorted spring bolt with the back, the spring bolt is carried out the unblock by the unblock piece that slides at frame pipe surface, wherein, the surface of unblock piece is provided with the slope that is used for jacking up the spring bolt, and unblock piece articulates the both ends at the connecting rod with being connected the iron sheet.

As a further optimization scheme of the utility model, the side surface of spring bolt be provided with unlocking piece slope assorted pin.

As the utility model discloses a further optimization scheme, the inside of spring bolt is provided with the back and adjusts the pressure spring for push up the spring bolt and support on the fixing base is adjusted to the back, wherein the back is adjusted pressure spring one end and is set up with the contact of fourth articulated shaft.

As a further optimization scheme of the utility model, the inside of back pipe still is provided with the back that is used for manual unblock spring bolt to adjust the haulage cable.

As the utility model discloses a further optimization scheme, the seat pipe is connected through first articulated shaft with the articulated department of being connected the iron sheet, the connecting rod is connected through second articulated shaft and third articulated shaft respectively with the articulated department of being connected iron sheet and deblocking piece.

As a further optimization scheme of the utility model, the gliding spout that is used for holding third hinge shaft is still offered on the surface of seat frame pipe.

The beneficial effects of the utility model reside in that:

the utility model discloses a be provided with connecting rod and deblocking piece on the seat pipe, when the car is received, because the seat pipe is different with the rotatory axle center of connecting rod, make deblocking piece produce relative slip on the seat pipe, this slip process is used for jack-up spring bolt unblock back pipe, make the back pipe can automatic unblock, convenient rotatory folding, when receiving the car, the seat pipe uses first articulated shaft to rotate as the center to back foot pipe direction, the connecting rod uses the second articulated shaft to do the equidirectional rotation as the center, the connecting rod drives deblocking piece and slides along the seat pipe, with pin and spring bolt along back pipe direction jack-up, the spring bolt upwards slides, at this moment locking device between back pipe and the seat pipe relieves.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged sectional view of a portion a of fig. 1 according to the present invention.

Fig. 3 is a rear sectional view of the structure of fig. 2 according to the present invention.

Fig. 4 is a schematic view of the folding process of the present invention.

Fig. 5 is a schematic view after folding.

In the figure: 1. a main framework; 2. a rear foot tube; 3. a back tube; 4. a seat frame tube; 5. connecting iron sheets; 6. a connecting rod; 7. unlocking the lock; 8. a backrest adjusting fixing seat; 9. a latch bolt; 10. a backrest adjusting pressure spring; 11. the backrest adjusts a traction rope; 12. a pin; 13. a first hinge shaft; 14. a second hinge shaft; 15. a chute; 16. a third hinge shaft; 17. and a fourth hinge shaft.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention; in the description of the present invention, "a plurality" or "a plurality" means two or more unless otherwise specified.

Example 1

As shown in fig. 1-5, a stroller with an automatic backrest unlocking device includes a foldable main frame 1, and a rear leg tube 2 hinged to the main frame 1, a connecting iron sheet 5 fixedly connected to a side surface of the rear leg tube 2, the main frame 1 and the connecting iron sheet 5 are hinged to two ends of a seat frame tube 4, one end of the seat frame tube 4 is hinged to a backrest tube 3 through a fourth hinge shaft 17, a backrest adjusting fixing seat 8 for fixing the backrest tube 3 is further provided on a surface of the seat frame tube 4, a latch 9 matched with the backrest adjusting fixing seat 8 is provided at an inner bottom end of the backrest tube 3, the latch 9 is unlocked by an unlocking piece 7 sliding on the surface of the seat frame tube 4, wherein a slope for jacking the latch 9 is provided on a surface of the unlocking piece 7, and the unlocking piece 7 and the connecting iron sheet 5 are hinged to two ends of a connecting rod 6.

When folding the car of receiving, main frame 1 folding in-process makes seat frame pipe 4 also rotate, and is provided with connecting rod 6 and deblocking piece 7 on the seat frame pipe 4, because the axle center difference that seat frame pipe 4 and connecting rod 6 rotate when rotatory for deblocking piece 7 produces relative slip on seat frame pipe 4, and this slip process is used for jacking up spring bolt 9 unblock back pipe 3, makes back pipe 3 can the automatic unblock, convenient rotatory folding.

The side surface of the bolt 9 is provided with a pin 12 matched with the slope of the unlocking piece 7, so that the bolt 9 is conveniently driven to rise.

The inside of spring bolt 9 is provided with back regulation pressure spring 10 for push up spring bolt 9 and support on back regulation fixing base 8, wherein the back is adjusted pressure spring 10 one end and is set up with the contact of fourth articulated shaft 17, and the effect of back regulation pressure spring 10 is with the help of the support of fourth articulated shaft 17, pushes up spring bolt 9 on back regulation fixing base 8, plays the effect of locking back pipe 3.

The backrest adjusting traction cable 11 used for manually unlocking the lock tongue 9 is further arranged inside the backrest tube 3, so that the backrest tube 3 can be conveniently unlocked manually, and the angle of the backrest tube 3 can be adjusted when the backrest tube is not folded.

The hinged part of the seat frame pipe 4 and the connecting iron sheet 5 is connected through a first hinged shaft 13, and the hinged parts of the connecting rod 6 and the connecting iron sheet 5 and the unlocking piece 7 are respectively connected with a third hinged shaft 16 through a second hinged shaft 14. The surface of the seat tube 4 is further provided with a sliding groove 15 for accommodating the sliding of the third hinge shaft 16, and when the seat tube 4 and the unlocking piece 7 slide relatively, the sliding groove 15 enables the third hinge shaft 16 to have a space for relative sliding.

The implementation mode specifically comprises the following steps:

when the seat frame tube 4 rotates towards the direction of the rear foot tube 2 by taking the first articulated shaft 13 as a center during folding, the connecting rod 6 rotates in the same direction by taking the second articulated shaft 14 as a center, the connecting rod 6 drives the unlocking piece 7 to slide along the seat frame tube 4, when the unlocking piece 7 slides, the pin 12 slides along the slope of the unlocking piece 7, the pin 12 and the bolt 9 are jacked up along the direction of the backrest tube 3, the bolt 9 slides upwards, and at the moment, the locking device between the backrest tube 3 and the seat frame tube 4 is unlocked.

When the stroller is unfolded, the seat frame tube 4 rotates in the opposite direction of the rear foot tube 2 by taking the first hinge shaft 13 as the center, the connecting rod 6 rotates in the same direction by taking the second hinge shaft 14 as the center, the connecting rod 6 drives the unlocking piece 7 to slide along the seat frame tube 4, when the unlocking piece 7 slides, the pin 12 slides along the slope of the unlocking piece 7 under the pressure of the backrest adjusting pressure spring 10 in the lock tongue 9, meanwhile, the lock tongue 9 slides along the backrest tube 3, and after the stroller frame is completely unfolded, the lock tongue 9 is meshed with the backrest adjusting fixing seat 8 to fix the backrest tube 3.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides a children's shallow with automatic unlocking device of back, includes foldable main skeleton (1) to and with main skeleton (1) articulated back foot tube (2), its characterized in that: the side surface fixedly connected with of back foot pipe (2) connects iron sheet (5), main frame (1) and the both ends of connecting iron sheet (5) articulated in frame pipe (4), the one end of frame pipe (4) is articulated through fourth articulated shaft (17) and is provided with back pipe (3), and the surface of frame pipe (4) still is provided with back regulation fixing base (8) that are used for fixed back pipe (3) simultaneously, the inside bottom of back pipe (3) is provided with adjusts fixing base (8) assorted spring bolt (9) with the back, spring bolt (9) are carried out the unblock by unblock piece (7) that slide in frame pipe (4) surface, wherein, the surface of unblock piece (7) is provided with the slope that is used for jack-up spring bolt (9), and unblock piece (7) articulate the both ends in connecting rod (6) with connecting iron sheet (5).

2. The stroller with an automatic backrest unlocking device according to claim 1, wherein: the side surface of the bolt (9) is provided with a pin (12) matched with the slope of the unlocking piece (7).

3. The stroller with an automatic backrest unlocking device according to claim 1, wherein: the inside of spring bolt (9) is provided with back and adjusts pressure spring (10) for push bolt (9) and support on back regulation fixing base (8), wherein back is adjusted pressure spring (10) one end and is set up with fourth articulated shaft (17) contact.

4. The stroller with an automatic backrest unlocking device according to claim 1, wherein: the backrest adjusting traction rope (11) used for manually unlocking the lock tongue (9) is further arranged inside the backrest tube (3).

5. The stroller with an automatic backrest unlocking device according to claim 1, wherein: the seat frame pipe (4) is connected with the hinged position of the connecting iron sheet (5) through a first hinged shaft (13), and the connecting rod (6) and the hinged position of the connecting iron sheet (5) and the unlocking piece (7) are respectively connected with a third hinged shaft (16) through a second hinged shaft (14).

6. The stroller with an automatic backrest unlocking device according to claim 5, wherein: the surface of the seat frame pipe (4) is also provided with a sliding groove (15) for accommodating the sliding of the third hinge shaft (16).