CN106828581A - Reversible pushchair for children - Google Patents

Abstract

The invention discloses a children cart with a reversible push handle rod, which comprises an upper connecting rod, a front leg and a handle rod, wherein a front leg branch pipe is connected with a handle rod branch pipe through a push handle reversing device, the push handle reversing device comprises a handle seat and a lower joint, the handle seat is fixed at the end part of the handle rod branch pipe, the lower joint is fixed at the middle part of the front leg, a first cylindrical sleeve is arranged at the side of the lower joint, a second cylindrical sleeve with a sleeve bottom is arranged at one end of the handle seat, the second cylindrical sleeve is oppositely sleeved outside the first cylindrical sleeve, a first limiting part is arranged inside the first cylindrical sleeve, a limiting pin is fixed at the sleeve bottom of the second cylindrical sleeve, a first positioning groove and a second positioning groove are arranged on the outer surface of the first cylindrical sleeve, a positioning lock pin capable of sliding up and down is arranged in the handle rod branch pipe, the first positioning groove and the second positioning groove are matched with the end part of the positioning lock pin, and the positioning lock pin is respectively clamped with the first positioning groove and the second positioning groove, the first limiting part and the limiting pin are in a disengaging state and a clamping state respectively.

Description

Reversible pushchair for children

technical field

The invention relates to a child stroller with a reversible push handle.

Background technique

In order to facilitate storage and transportation, traditional baby strollers are often endowed with a foldable function and have an unfolded state and a folded state. According to the folding method of the skeleton, it usually includes a skeleton structure that is folded in a single direction. When the operator wants to push the stroller with one hand, he can only push it from one side. Due to the force applied, it is quite difficult to control the steering or movement of the stroller.

Contents of the invention

The problem to be solved by the present invention is to provide a children's stroller that can realize the flexible reversing of the push handle bar.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions: a children's stroller with a reversible push handle bar, including an upper connecting rod, a front leg and a handle bar, the upper connecting rod, the front leg and the hand The handlebars respectively include two branch pipes, the front leg branch pipes are connected with the handlebar branch pipes through a push handle reversing device, and the push handle reversing device includes a handle seat and a lower joint, and the handle seat is fixed on The end of the handle bar branch, the lower joint is fixed in the middle of the front leg, the lower joint is provided with a first cylindrical sleeve laterally, and one end of the handle seat is provided with a cylinder bottom The second cylindrical sleeve, the second cylindrical sleeve is oppositely sleeved on the outside of the first cylindrical sleeve, the inside of the first cylindrical sleeve is provided with a first stopper, and the second cylindrical sleeve The limit pin is fixed at the bottom of the sleeve, the outer surface of the first cylindrical sleeve is provided with a first positioning groove and a second positioning groove, and a positioning lock pin that can slide up and down is provided in the branch pipe of the handle bar. The first positioning groove and the second positioning groove match the end of the positioning lock pin, and when the positioning lock pin engages with the first positioning groove and the second positioning groove respectively, the first positioning groove A limiting portion is in disengagement and engagement states with the limiting pin respectively.

A reversing handle is provided on the branch pipe of the handle bar, and the reversing handle is connected to the positioning lock pin through a pull wire pierced in the branch pipe of the handle bar. A rivet is fixed inside the branch pipe of the handle bar. An elastic piece is connected to the rivet and the positioning lock pin, and one end of the elastic piece is in conflict with the positioning lock pin, and the other end is in conflict with the rivet.

The elastic member is a spring.

The outward side of the first positioning groove has an arc surface.

The first limiting portion is a limiting slot matching the limiting pin.

The reversing handle is provided with a card slot, and the outer side of the branch pipe of the upper connecting rod is provided with a positioning pin, and when the upper connecting rod is combined with the handle bar, the positioning pin is engaged with the card slot.

After adopting the above technical scheme, the front leg branch pipe is connected with the handle rod branch pipe through the push handle reversing device, which can realize the flexible reversing of the push handle rod.

Description of drawings

Fig. 1 is a structural schematic diagram of the first use position of the children's stroller of the present invention;

Fig. 2 is a structural schematic diagram of the second use position of the children's stroller of the present invention;

Fig. 3 is a side view of the first use position of the children's stroller of the present invention;

Fig. 4 is a partial enlarged view of place A in Fig. 3;

Fig. 5 is a side view of the second use position of the children's stroller of the present invention;

Fig. 6 is a partial enlarged view of place B in Fig. 5;

Fig. 7 is a structural schematic diagram of the lower joint;

Fig. 8 is a schematic structural view of the handle seat;

Fig. 9 is a structural schematic diagram of the reversing handle;

Fig. 10 is an exploded schematic diagram of the connecting structure of the positioning lock pin, the handle seat and the lower joint;

Fig. 11 is a schematic diagram of the semi-folded state of the children's stroller of the present invention;

Fig. 12 is a schematic diagram of the fully folded state of the children's stroller of the present invention.

detailed description

As shown in Fig. 1 to Fig. 6, the children's stroller with reversible push bar includes an upper connecting bar 3, a handle bar 11, a first backrest frame 5, a second backrest frame 6, front legs 7, and rear legs 8 and the wheel, the upper connecting rod, the front leg and the handle bar respectively include two branch pipes arranged in parallel, the front leg branch pipe is connected with the handle bar branch pipe through a push handle reversing device, and the The push handle reversing device includes a handle base 12 and a lower joint 21, the handle base 12 is fixed on the end of the handle rod branch pipe, the lower joint 21 is fixed on the middle part of the front leg, and the lower joint 21 Rotately connected with the upper connecting rod 3, as shown in Figure 7, the lower joint is provided with a first cylindrical sleeve 211 laterally, as shown in Figure 8, one end of the handle seat is provided with a first cylindrical sleeve 211 with a cylinder bottom Two cylindrical sleeves 123, as shown in Figure 10, the second cylindrical sleeve 123 is oppositely sleeved on the outside of the first cylindrical sleeve 211, and the inside of the first cylindrical sleeve is provided with a first stop part 214, the first limiting part is a limiting slot matching the limiting pin. The limit pin 122 is fixed at the bottom of the second cylindrical sleeve, the outer surface of the first cylindrical sleeve is provided with a first positioning groove 212 and a second positioning groove 213, and the handlebar branch pipe is provided with a The positioning lock pin 14 that slides up and down in the handle bar branch pipe, the first positioning groove and the second positioning groove match the end of the positioning locking pin 14, and the positioning locking pin 14 is respectively connected to the first positioning groove. When a positioning groove is clamped with the second positioning groove, the first limiting portion and the limiting pin are in disengaged and engaged states respectively. That is to realize two usage positions as shown in Fig. 1 and Fig. 2 respectively, in the first usage position, back-to-back pushing can be realized, and in the second usage position, facing-to-facing pushing can be realized.

A reversing handle 13 is provided on the branch pipe of the handle bar, and the reversing handle 13 is connected to the positioning lock pin 14 through a pull wire 16 passing through the branch pipe of the handle bar. There is a rivet 17, a spring 15 is connected between the rivet 17 and the positioning lock pin 14, one end of the spring is in conflict with the positioning lock pin, and the other end is in conflict with the rivet. By pulling the pull wire 16, the positioning lock pin 14 can be engaged with the first positioning groove and the second positioning groove respectively.

The connecting structure of the reversing handle 13, the stay wire 16 and the handle bar 11 can adopt any conventional structure that is convenient for fingers to pull, so as to realize pulling the reversing handle 13 that is to pull the stay wire 16.

The outward side of the first positioning groove 212 has an arc surface. Through the arc surface, the positioning lock pin 14 is separated from the first positioning groove 212, and the collapsed state shown in FIG. 11 and FIG. 12 can be realized.

As shown in Figure 9, the reversing handle 13 is provided with a card slot 131, and the outer side of the branch pipe of the upper connecting rod is provided with a positioning pin 31, and when the upper connecting rod is combined with the handle bar, the positioning pin 31 is engaged with the card slot 131.

Operating the reversing handle 13 can realize the conversion of the two use positions. When the handle bar 11 is in the first use position, the positioning lock pin 14 is kept in the first positioning groove 212 under the elastic force of the spring 15, and the elastic force of the spring 15 keeps the reversing handle 13 engaged with the positioning pin 31 through the pull wire 16 On the top, the positioning lock pin 14 is linked with the reversing handle 13 through the pull wire 16; when the handle bar 11 is in the second use position, the limit pin 122 on the handle seat 12 and the first limit pin on the lower joint 21 portion 214 , the positioning lock pin 14 is held in the second positioning groove 213 under the elastic force of the spring 15 .

Instructions for folding and opening the children's stroller with reversible push handle bar of the present invention:

Folding: operate the reversing handle 13, put the handle bar 11 in the first use position and lock it, operate the upper joint 22 to disengage (unlock) it from the lower joint 21, and then make the handle bar 11 fold in the direction of the front leg 7;

Open: forcefully lift the handle bar 11 and separate it from the front leg 7 until the upper and lower joints are locked.

Features of the children's stroller with reversible push handle bar in the present invention:

1. The first use position is the most frequently used position. For this reason, the locking device of the first use position is set on the upper part of the handle bar 11, and the turning moment of the handle bar 11 is mainly controlled by the reversing handle 13 and the positioning pin 31. The positioning lock pin 14 and the first positioning groove 212 are mutually supported in one direction, and such setting greatly improves the connection strength of the handle bar 11 .

2. The locking device in the second use position is set outside the transfer of the lower end of the handle bar 11. This position is within the reach of children. For this reason, the locking device in the second use position is set to be built-in. The handle bar 11 The overturning moment is mainly supported by the positioning lock pin 14 and the second positioning groove 213 on the lower joint 21 in two directions, and the limit pin 122 on the handle base 12 and the first limit part 214 on the lower joint 21 in one direction. This setting not only avoids the danger of children being injured by extrusion and shearing, but also ensures the strength of the handle bar 11 and improves the aesthetics.

Claims (6)

1. A children's stroller with a reversible push handle, comprising an upper connecting rod, a front leg and a handle rod, the upper connecting rod, the front leg and the handle rod respectively include two branch pipes, characterized in that : the front leg branch is connected with the handle bar branch through a push handle reversing device, the push handle reversing device includes a handle seat and a lower joint, and the handle seat is fixed on the handle bar branch of the handle end, the lower joint is fixed in the middle of the front leg, the lower joint is provided with a first cylindrical sleeve laterally, and one end of the handle seat is provided with a second cylindrical sleeve with a cylinder bottom, The second cylindrical sleeve is oppositely sleeved on the outside of the first cylindrical sleeve, and the inside of the first cylindrical sleeve is provided with a first limiting part, and the bottom of the second cylindrical sleeve is fixed to limit the position. pin, the outer surface of the first cylindrical sleeve is provided with a first positioning groove and a second positioning groove, and a positioning lock pin that can slide up and down is provided in the handle rod branch pipe, and the first positioning groove and the The second positioning groove matches the end of the positioning lock pin, and when the positioning lock pin engages with the first positioning groove and the second positioning groove respectively, the first limiting part and the The limit pins are disengaged and engaged respectively. 2. The children's stroller with reversible push handle according to claim 1, characterized in that: a reversing handle is provided on the branch pipe of the handle rod, and the reversing handle passes through the handle The stay wire in the rod branch tube is connected to the positioning lock pin, and a rivet is fixed in the handle bar branch tube, the rivet is connected to the positioning lock pin with an elastic member, and one end of the elastic member conflicts with the positioning lock pin , and the other end is in conflict with the rivet. 3. The children's stroller with reversible push handle according to claim 2, wherein the elastic member is a spring. 4. The children's stroller with reversible push handle according to claim 1, characterized in that: the outward side of the first positioning groove has an arc surface. 5 . The children's stroller with reversible push handle according to claim 1 , wherein the first limiting portion is a limiting groove matching the limiting pin. 6 . 6. The children's stroller with reversible push handle according to claim 1, characterized in that: the reversing handle is provided with a card slot, the outer side of the branch pipe of the upper connecting rod is provided with a positioning pin, and the upper When the connecting rod is merged with the handle rod, the positioning pin engages with the engaging slot.