Child safety seat capable of being adjusted and rotated by single hand
By incorporating an unlock button and a rotating handle at the center front of the child safety seat, along with an adjustment and locking device consisting of a shift pin, a beveled block, and a steel cable, the problem of requiring two hands for operation in existing technologies is solved. This allows for convenient one-handed adjustment of the seat's direction and angle, improving operational reliability.
Patent Information
- Application Number
- CN202520619273.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-04-03
AI Technical Summary
Current child safety seats require both hands to adjust their direction, which is inconvenient and prone to errors.
A child safety seat with one-hand adjustable rotation was designed. By setting an unlock button and a rotating handle in the middle of the front of the seat, combined with an adjustment and locking device consisting of a gear pin, a beveled block, and a steel wire cable, the seat can be rotated and its angle adjusted with one hand.
It enables one-handed operation of seat direction and angle adjustment, improving the convenience and reliability of operation and reducing the possibility of misoperation.
Smart Images
Figure CN223631416U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application belongs to the technical field of child safety seats. BACKGROUND
[0002] Child safety seats provide safety protection for children during travel. During the early childhood, the child is facing backward, lying on the child seat. As the child grows, the child changes to face forward and sit on the seat. At this time, the seat needs to be adjusted accordingly. There are various methods to adjust the direction of the seat body, such as some seats are replaced by reinstallation in different directions; some seats have a base under the seat body, and the base is equipped with some device buttons. By unlocking the button, the upper part of the seat body can be rotated to another direction. Usually, this requires one hand to operate the button on the base and the other hand to rotate the seat to the other direction. This operation process requires the operator to use both hands to complete the action. SUMMARY
[0003] In order to solve the problems existing in the prior art, a single-handed adjustable rotating child safety seat mechanism is designed, which is unlocked in the middle of the front part of the child safety seat and is commonly used. The seat operation is convenient.
[0004] A single-handed adjustable rotating child safety seat, the child safety seat comprises an upper body and a lower base, the lower base is provided with a matching surface for supporting the upper body; the lower base is provided with a circular assembly hole, a rotating disc which can rotate in the circular assembly hole is arranged in the circular assembly hole, the rotating disc is fixedly connected with the upper body, that is, the upper body can rotate 360 degrees with the rotating shaft of the rotating disc as the center; the matching surface is provided with four stop holes perpendicular to the matching surface, the four stop holes are uniformly distributed around the circular assembly hole, and the stops of the four stop holes correspond to four directions of the upper body in the direction, i.e. forward, left side, backward and right side.
[0005] The child safety seat is provided with an adjustable rotating adjusting and locking device.
[0006] The adjusting locking device includes a stop pin, a beveled block, and a steel wire cable. The stop pin can lock the position of the upper body. The upper body has a circular hole for the axial movement of the stop pin, and the lower base has a stop hole for the axial movement of the stop pin. The stop pin is inserted axially into the lower base, that is, it moves axially within the circular hole of the upper body and the stop hole of the lower base. The stop pin is set in the beveled block, which has a beveled groove. A horizontal stop section is set at the end of the beveled groove. The beveled groove is inclined and has a horizontal bend at the bottom. The upper end of the stop pin has a transverse small shaft that passes through the beveled groove of the beveled block. When the transverse small shaft of the stop pin reaches the horizontal stop section at the end of the beveled groove, the stop pin is locked and cannot move axially. The beveled block is set in a sliding groove of the upper body. The beveled block can move back and forth along the sliding groove. The back and forth movement of the beveled block is converted into the axial movement of the stop pin (up and down relative to the lower base) through the movement of the beveled groove and the transverse small shaft.
[0007] The steel wire cable is fixed to the inclined block by a steel wire cable fixing head, and a spring is provided between the steel wire cable fixing head and the inclined block.
[0008] The oblique cutting block moves to the left or right under the force of the spring or steel wire cable, causing the stop pin to move axially upward or downward.
[0009] Furthermore, under the force of the spring, the oblique block moves to the left, forcing the shift pin to move downward and insert into the shift hole of the lower base; it stops at the horizontal position at the end of the oblique groove, at which point the axial movement of the shift pin is horizontally locked by the end of the oblique groove; the shift pin is inserted into the shift hole of the lower base, preventing the rotation of the upper body.
[0010] Furthermore, the wire cable is connected to the oblique cut block via a movable head, and the wire cable is connected to a rotating handle, which is mounted on the upper main body.
[0011] Furthermore, by rotating the handle and pulling it outward, the moving head of the steel wire cable is pulled outward together, causing the oblique cutting block to overcome the spring pressure and move to the right. The shift pin disengages from the horizontal lock at the end of the oblique groove, and then, under the action of the oblique groove, the shift pin is lifted and disengaged from the shift hole of the lower base. At this time, the upper body can be rotated to adjust the seat angle.
[0012] The operator places their hand in the commonly used position in the middle of the front of the upper main body of the child safety seat, and can then pull the rotating handle outwards. Pulling the rotating handle outwards pulls the movable head of the steel cable outwards as well, causing the inclined block to overcome the spring pressure and move to the right. The shift pin disengages from the horizontal locking at the end of the inclined groove, and then, under the action of the inclined groove, lifts the shift pin, disengaging it from the shift hole in the lower base; it then rotates with the upper main body to the next shift position.
[0013] When the operator loosens the rotary handle to pull out the force, under the action of the beveling block moving to the left, the gear pin moves downward to enter the next gear hole, and the gear switching in the rotary direction is completed.
[0014] The technical scheme of the utility model is adopted, the upper main body rotary unlocking button is placed in the middle, the upper main body angle adjusting button and the safety belt releasing button are in the same area, and are placed in cooperation with each other, when any one button is operated by one hand, other buttons are still in the finger operation range, that is, the consumer only needs to put the hand on the front central area of the seat body, and only one hand can complete the three kinds of actions, so that the use is convenient and fast, during the steel wire cable pulling process, even if shaking, the whole is wrapped in the cylindrical hole, and cannot be pulled out from the side, the steel wire cable shaking and pulling out are fault-tolerant, the abnormal bending of the steel wire cable is reduced, and the reliability is increased, during the whole installation and connection process, the operation is simple, and the error is not easy to occur, and the operation is flexible and convenient. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a schematic view of various structures of a one-handed adjustable rotary child safety seat.
[0016] Figure 2 It is a schematic view of the rotary handle installation position of a one-handed adjustable rotary child safety seat
[0017] Figure 3 It is a schematic view of the rotary handle installation position of a one-handed adjustable rotary child safety seat
[0018] REFERENCE SIGNS: 1 child safety seat upper main body
[0019] 2 rotary handle fixing seat
[0020] 3 rotary handle
[0021] 4 angle adjusting handle
[0022] 5 beveling block
[0023] 5-1 beveling groove
[0024] 6 gear pin
[0025] 6-1 horizontal small shaft
[0026] 7 steel wire cable fixing head
[0027] 8 child safety seat lower base
[0028] 9 rotating disc
[0029] 10 steel wire cable movable head
[0030] 11 fixing seat cylinder DETAILED DESCRIPTION
[0031] The specific embodiments of the utility model will be further explained below in combination with the accompanying drawings, wherein the direction is taken as an example of the child safety seat horizontally arranged on a car, and the front, rear, left and right directions are taken as the reference based on the direction of the chair back of the child safety seat when a baby sits on the child safety seat, and the axial movement of the gear hole is taken as the reference based on the direction perpendicular to the lower base of the child safety seat. Figure 1 Figure 2 The child safety seat comprises an upper body 1 and a lower base 8, the lower base 8 is provided with a matching surface for supporting the upper body, the lower base 8 is provided with a circular assembly hole, a rotating disc 9 rotatable in the circular assembly hole is arranged in the circular assembly hole, the rotating disc 9 is fixedly connected with the upper body 1, that is, the upper body 1 can rotate by 360 degrees with the rotating shaft of the rotating disc 9 as the center. Figure 3 The matching surface is provided with four gear holes perpendicular to the matching surface, the four gear holes are uniformly distributed around the circular assembly hole, and the gears correspond to four directions of the upper body in the direction, that is, forward, left, rearward and right.
[0032] The child safety seat is provided with an adjustable rotating adjusting and locking device.
[0033] The adjusting and locking device comprises a gear pin 6, an oblique block 5 and a steel wire cable 7, the gear pin 6 can lock the position of the upper body 1, the upper body 1 is provided with a circular hole for axial movement of the gear pin 6, the lower base 8 is provided with a gear hole for axial movement of the gear pin, the movement direction of the gear pin 6 is perpendicular to the lower base 8, and the gear pin 6 moves axially in the circular hole of the upper body 1 and the gear hole of the lower base 8; the gear pin 6 is arranged in the oblique block 5, the oblique block 5 is provided with an oblique groove 5-1, a horizontal cut-off section is arranged at the end of the oblique groove 5-1, the oblique groove is inclined, and there is a horizontal turning at the bottom, the upper end of the gear pin is provided with a transverse small shaft 6-1, the transverse small shaft 6-1 passes through the oblique groove 5-1 of the oblique block 5, when the transverse small shaft 6-1 of the gear pin 6 reaches the horizontal cut-off section at the end of the oblique groove 5-1, the gear pin 6 is locked and cannot move axially any more; the oblique block 5 is arranged in a sliding groove of the upper body 1, the oblique block 5 can move forward and backward along the sliding groove, and the forward and backward movement of the oblique block 5 is converted into the axial movement (up and down movement relative to the lower base 8) of the gear pin 6 through the movement of the oblique groove 5-1 and the transverse small shaft 6-1.
[0034]
[0035] The adjusting and locking device comprises a gear pin 6, an oblique block 5 and a steel wire cable 7, the gear pin 6 can lock the position of the upper body 1, the upper body 1 is provided with a circular hole for axial movement of the gear pin 6, the lower base 8 is provided with a gear hole for axial movement of the gear pin, the movement direction of the gear pin 6 is perpendicular to the lower base 8, and the gear pin 6 moves axially in the circular hole of the upper body 1 and the gear hole of the lower base 8; the gear pin 6 is arranged in the oblique block 5, the oblique block 5 is provided with an oblique groove 5-1, a horizontal cut-off section is arranged at the end of the oblique groove 5-1, the oblique groove is inclined, and there is a horizontal turning at the bottom, the upper end of the gear pin is provided with a transverse small shaft 6-1, the transverse small shaft 6-1 passes through the oblique groove 5-1 of the oblique block 5, when the transverse small shaft 6-1 of the gear pin 6 reaches the horizontal cut-off section at the end of the oblique groove 5-1, the gear pin 6 is locked and cannot move axially any more; the oblique block 5 is arranged in a sliding groove of the upper body 1, the oblique block 5 can move forward and backward along the sliding groove, and the forward and backward movement of the oblique block 5 is converted into the axial movement (up and down movement relative to the lower base 8) of the gear pin 6 through the movement of the oblique groove 5-1 and the transverse small shaft 6-1.
[0036] Steel wire cable 7 is fixed with bevel block 5 through steel wire cable fixing head 10, spring is arranged between steel wire cable fixing head 10 and bevel block 5. Steel wire cable 7 is connected with rotating handle 3, rotating handle 3 is assembled on upper body 1 through rotating handle fixing seat 2. Angle adjusting handle 4 and rotating handle 3 are arranged at the middle position of the bottom of upper body 1, which is convenient for operator to adjust safety seat.
[0037] Under the action force of spring or steel wire cable 7, bevel block 5 moves left or right, and drives gear pin 6 to move axially upward or downward.
[0038] Rotating handle fixing seat 2, two fixing seat cylinders 11 are symmetrically distributed in the middle area, the side wing tip of fixing seat cylinder 11 is provided with a clamping groove for fixing the outer sleeve tube of steel wire cable 7. Rotating handle 3 is symmetrically distributed with two round holes in the middle area, which is assembled with fixing seat cylinder 11, the side wing tip is opposite to the outer sleeve tube of steel wire cable, has an axial cylindrical hole, the bottom end side wall of the cylindrical hole is outwardly provided with a vertical long groove. Steel wire cable movable head 10 enters the axial cylindrical hole in the vertical direction from the side wall long groove, and then rotates and flattens. The whole steel wire cable movable head is wrapped in the cylindrical hole.
[0039] Further, under the action force of spring, bevel block 5 moves left, forcing gear pin 6 to move downward and insert into the gear hole of lower base 8; bevel block 5-1 stops at the horizontal position of the end, at this time, the axial movement of gear pin is locked by the horizontal end of bevel block 5-1; gear pin 6 is inserted into the gear hole of lower base 8, preventing the rotation of upper body 1.
[0040] The operator puts his hand on the middle common position of the front of the child safety seat upper body, and can pull the rotating handle outward. The rotating handle is pulled outward, the steel wire cable movable head is pulled outward together, driving the bevel block to overcome the spring pressure and move right, the gear pin is separated from the horizontal lock of the end of the bevel block, and then the gear pin is lifted under the action of the bevel block and separated from the gear hole of the lower base; follow the rotation of the upper body to the next gear position.
Claims
1. A child safety seat with one-hand adjustable rotation, the child safety seat comprising an upper body and a lower base, the lower base having a mating surface supporting the upper body; the lower base having a circular mounting hole, a turntable rotatable within the circular mounting hole being fixedly connected to the upper body; the mating surface having four stop holes perpendicular to the mating surface, the four stop holes being evenly distributed around the circular mounting hole, characterized in that: The child safety seat is provided with an adjustable rotation adjusting locking device.
2. A one-handed adjustable rotation child safety seat according to claim 1, wherein: The adjusting locking device comprises a gear pin, an inclined block and a steel wire cable, the gear pin can lock the position of the upper body, the upper body is provided with a circular hole for axial movement of the gear pin, the lower base is provided with a gear hole for axial movement of the gear pin; the gear pin is arranged in the inclined block, the inclined block is provided with an inclined groove, a horizontal section is arranged at the end of the inclined groove, the upper end of the gear pin is provided with a transverse shaft which penetrates the inclined groove of the inclined block; the inclined block is arranged in the sliding groove of the upper body, and the inclined block can move forward and backward along the sliding groove.
3. A one-handed adjustable rotation child safety seat according to claim 2, wherein: The steel wire cable is fixed with the inclined block through a steel wire cable fixing head, and a spring is arranged between the steel wire cable fixing head and the inclined block.
4. A one-hand adjustable rotating child safety seat according to claim 2, wherein: The inclined block moves left or right under the action force of the spring or the steel wire cable, and drives the gear pin to move axially upward or downward.
5. A one-handed adjustable rotation child safety seat according to claim 4, wherein: Under the action force of the spring, the inclined block moves left, and forces the gear pin to move downward and be inserted into the gear hole of the lower base; the inclined block stops at the horizontal position at the end of the inclined groove, at this time, the axial movement of the gear pin is locked by the horizontal end of the inclined groove; the gear pin is inserted into the gear hole of the lower base, and the rotation of the upper body is prevented.
6. A one-handed adjustable rotation child safety seat according to claim 4, wherein: The steel wire cable is connected with the inclined block through a steel wire cable movable head, the steel wire cable is connected with a rotating handle, and the rotating handle is assembled on the upper body.
7. A one-handed adjustable rotation child safety seat according to claim 4, wherein: The rotating handle is pulled outward, the steel wire cable movable head is pulled outward together, the inclined block is driven to move right against the spring pressure, the gear pin is separated from the horizontal locking of the end of the inclined groove, and then the gear pin is lifted and separated from the gear hole of the lower base under the action of the inclined groove, at this time, the upper body can be rotated, and the angle of the seat is adjusted.