CN203473070U

CN203473070U - Child tricycle seat back lifting device

Info

Publication number: CN203473070U
Application number: CN201320497223.4U
Authority: CN
Inventors: 陶善稳
Original assignee: ANHUI HONGKANG CHILDREN'S PRODUCTS Co Ltd
Current assignee: ANHUI HONGKANG CHILDREN'S PRODUCTS Co Ltd
Priority date: 2013-08-14
Filing date: 2013-08-14
Publication date: 2014-03-12
Anticipated expiration: 2023-08-14

Abstract

The utility model discloses a child tricycle seat back lifting device which comprises a seat back. A supporting rod is installed above the middle of a tricycle body support, a seat is installed at the upper end of the supporting rod, a pair of vertical steel tube sleeves are installed at the back end of the tricycle body support, lifting rods are sleeved with the vertical steel tube sleeves, button holes are formed in the steel tube sleeves, a plurality of through holes are formed in the lifting rods, vertical long through grooves are formed in the positions, opposite to the through holes, of the lifting rods, control buttons and spring devices are installed in the steel tube sleeves, the control buttons penetrate through the button holes and the through holes to extend out of the steel tube sleeves, and the spring devices are located in the long through grooves. The seat back is installed at the upper ends of the lifting rods. According to the child tricycle seat back lifting device, the structure that the steel tube sleeves are arranged on the support at back of the tricycle body seat to be matched with the lifting rods, and the seat back is installed at the upper ends of the lifting rods is adopted, the seat back can be conveniently lifted, and the child tricycle seat back lifting device is simple in structure and convenient to operate, and the seat back can be ascended and descended according to requirements.

Description

A kind of child's tricycle seat back jacking system

technical field:

The utility model relates to perambulator field, relates in particular to a kind of child's tricycle seat back jacking system.

background technology:

Children riding three-wheel vehicle is an extraordinary project that promotes motor development for child.By, ride

Three-wheel vehicle not only can be taken exercises, grasp skill by bike, and can also promote the development of balance ability and adaptability to changes, promote the development of child's orientation perception, contribute to improve child's voluntary attention development, range, stability, the distribution of attention and the development level of attention mobility of noting.On market, have a lot of child's tricycle now, and for comfortable have much after seat, designed backrest, but heat is used the chair back can make child perspire and cause the problems such as prickly heat when motion sometimes, and the existing chair back is fixed type and cannot takes off.Therefore imagination provides a kind of equipment to solve this problem.

utility model content:

The purpose of this utility model is just to provide a kind of child's tricycle seat back jacking system, solve and on present market, have a lot of child's tricycle, and for comfortable have much after seat, designed backrest, but heat is used the chair back can make child perspire and cause the problems such as prickly heat when motion sometimes, and the existing chair back is the problem that fixed type cannot take off.

The technical solution adopted in the utility model is:

A kind of child's tricycle seat back jacking system, comprise the chair back: strut bar is installed in top, owner of the tricycle's body support frame middle part, post upper is provided with seat, main body rack rear end is provided with a pair of steel pipe socket of holding up, in steel pipe socket, be set with lifting bar, on steel pipe socket, have button hole, on lifting bar, have some through holes, on lifting bar, position, through hole opposite has vertical long groove, control button and spring installation are installed in steel pipe socket, control button passes button hole and through hole and stretches out outside steel pipe socket, and spring installation is positioned at long groove; Lifting bar upper end is provided with the chair back.

When pressing, deviates from described control button button hole on steel pipe socket and the through hole on lifting bar, lifting bar can move up and down along steel pipe socket, to correct position control button, under the application force of spring installation, release, through the through hole on lifting bar and the button hole on steel pipe socket, again stretch out outside steel pipe socket.

Compared with prior art, the beneficial effects of the utility model are:

The utility model coordinates lifting bar by steel pipe socket is set on the support at rear, car body seat, and the structure of the chair back is installed in lifting bar upper end, can be easily by chair back lifting, and simple in structure, easy to operate, can rise as required or put down the chair back.

accompanying drawing explanation:

Accompanying drawing 1 is the utility model structural representation.

Accompanying drawing 2 is steel pipe socket and lifting bar part-structure schematic diagram.

the specific embodiment:

Below in conjunction with accompanying drawing, by embodiment, the utility model is described in further detail:

A kind of child's tricycle seat back jacking system, comprise the chair back: strut bar 2 is installed in owner of the tricycle's body support frame 1 top, middle part, strut bar 2 upper ends are provided with seat 3, main body rack 1 rear end is provided with a pair of steel pipe socket of holding up 4, in steel pipe socket 4, be set with lifting bar 5, on steel pipe socket 4, have button hole 6, on lifting bar 5, have some through holes 7, on lifting bar 5, position, through hole opposite has vertical long groove 8, control button 9 and spring installation 10 are installed in steel pipe socket 4, control button 9 passes button hole 6 and through hole 7 and stretches out outside steel pipe socket, spring installation 9 is positioned at long groove 8, lifting bar 5 upper ends are provided with the chair back 11, when pressing, deviates from control button button hole on steel pipe socket and the through hole on lifting bar, lifting bar can move up and down along steel pipe socket, to correct position control button, under the application force of spring installation, release, through the through hole on lifting bar and the button hole on steel pipe socket, again stretch out outside steel pipe socket.

Above-described embodiment is only preferably embodiment of the present utility model, and in addition, the utility model can also have other implementations.It should be noted that, do not departing under the prerequisite of the utility model design, within any apparent improvement and modification all should fall into protection domain of the present utility model.

Claims

1. a child's tricycle seat back jacking system, comprise the chair back, it is characterized in that: strut bar is installed in top, owner of the tricycle's body support frame middle part, post upper is provided with seat, main body rack rear end is provided with a pair of steel pipe socket of holding up, in steel pipe socket, be set with lifting bar, on steel pipe socket, have button hole, on lifting bar, have some through holes, on lifting bar, position, through hole opposite has vertical long groove, control button and spring installation are installed in steel pipe socket, and control button passes button hole and through hole and stretches out outside steel pipe socket, and spring installation is positioned at long groove; Lifting bar upper end is provided with the chair back.

2. child's tricycle seat back jacking system according to claim 1, it is characterized in that: when described control button is pressed, deviate from button hole on steel pipe socket and the through hole on lifting bar, lifting bar can move up and down along steel pipe socket, to correct position control button, under the application force of spring installation, release, through the through hole on lifting bar and the button hole on steel pipe socket, again stretch out outside steel pipe socket.