CN203472950U - Frame for baby stroller - Google Patents

Abstract

The utility model discloses a frame for a baby stroller. The frame comprises two front support rods, two rear support rods, two lower connecting rods and two push rods which are symmetrically arranged, wherein the front and rear end parts of the lower connecting rods are respectively hinged with the middle parts of the front support rods and the lower parts of the rear support rods on a same side; first connecting bases are fixedly connected with the upper end parts of the front support rods; lower end parts of the push rods are hinged with the first connecting bases; second connecting bases are fixedly connected on the lower parts of the push rods above the first connecting bases; the upper end parts of the rear support rods are hinged with the second connecting bases; lower bending rods are connected between the front support rods and the rear support rods on different sides; the middle parts of the two lower bending rods are hinged with each other; rear bending rods are connected between the rear support rods and the push rods on different sides; and an upper control rod and a lower control rod for controlling the unfolding or folding of the two rear bending rods are connected between the two rear bending rods. The frame for the baby stroller has small volume, is convenient to transport and take, is simple in structure and is low in production cost.

Description

A kind of doll carriage vehicle frame

Technical field

The utility model belongs to doll carriage technical field, is specifically related to the Foldable frame of doll carriage.

Background technology

Existing doll carriage is mostly designed to folding form, like this in doll carriage packed and transported, saved space while not using, yet doll carriage on the market is generally designed to that left and right two-piece type is folding or front and back folding, and institute takes up space still larger, and result of use is not ideal enough.The volume that further reduces Foldable baby stroller is the problem that doll carriage field urgently will solve.

Summary of the invention

The purpose of this utility model is: the deficiency existing for prior art, and provide a kind of structure to simplify, volume after folding is little, the Foldable baby stroller body frame structure for automotive that cost is low.

For realizing the object of the utility model, be achieved by the following technical solutions: a kind of doll carriage vehicle frame, includes symmetrically arranged two front support rods, two back stays, two lower links and two push rods; Anterior and the rearward end of lower link respectively with the front support rod of the same side in the middle part of and back stay lower hinge; The upper end of front support rod is fixedly connected with the first Connection Block, and the bottom of push rod and the first Connection Block are hinged; Push rod bottom is positioned at the first Connection Block top position and is fixedly connected with the second Connection Block, and described back stay upper end and the second Connection Block are hinged; Between the front support rod of heteropleural and back stay, be connected with lower pole respectively by the first L shaped connecting strap, all hinged between the first connecting strap and front support rod, back stay, lower pole, two lower pole middle parts are hinged and connected; Between the back stay of heteropleural and push rod, by the second L shaped connecting strap, be connected with rear foldable rod respectively, all hinged between the second connecting strap and back stay, push rod, rear foldable rod, two rear foldable rod middle parts are hinged and connected, and between two rear foldable rods, are connected with to control upper control stalk and the lower control arm that two rear foldable rods launch or close.

The first connecting strap and the second connecting strap that are connected on back stay are connected on back stay by same bearing pin;

The first connecting strap includes orthogonal two arm faces, is provided with a circular through hole on each arm face; The second connecting strap is identical with the first connecting strap structure.

Described upper control stalk includes two bodies of rod that are hinged and connected, and two body of rod two ends and rear foldable rod top are hinged respectively, and two body of rod articulated position are provided with the control pin in order to two body of rod foldings of manual control.

Described lower control arm includes two bodies of rod that are hinged and connected, and two body of rod two ends and rear foldable rod bottom are hinged respectively, are provided with the fastener that two bodies of rod is positioned to deployed condition on one of them body of rod.

Described push rod upper end bends to arc to vehicle frame the place ahead, and the upper end of push rod cover has the handle sleeve of foam rubbery material.

The bottom of described front support rod is connected with wheel flutter, and the bottom of described back stay is connected with trailing wheel.

Described push rod bottom is connected with a geometrical clamp, and geometrical clamp includes the jaws of two circular arcs, and the shape of jaws and the outside wall surface of push rod closely cooperate.

Compared with prior art, the beneficial effects of the utility model are: about when this doll carriage vehicle frame is packed up, two faces are drawn close mutually, front and back are also drawn close mutually, being arranged on fabric seat on vehicle frame and storing basket etc. all shrinks and is less volume, greatly saved space, transport easy to carryly, structure is simplified, low production cost.

Accompanying drawing explanation

Fig. 1 is the integral structure schematic diagram of doll carriage.

Fig. 2 is the structural representation of the utility model vehicle frame.

Fig. 3 is the structural representation of rear foldable rod part.

Fig. 4 is the structural representation of the first connecting strap.

1, wheel flutter; 2, vehicle frame; 20, lower link; 21, front support rod; 22, back stay; 23, push rod; 231, handle sleeve; 24, sunshade bar; 25, locating dowel pin; 26, rear foldable rod; 27, upper control stalk; 271, control pin; 28, lower pole; 29, lower control arm; 291, fastener; 201, the first connecting strap; 202, the second connecting strap; 203, the first Connection Block; 204, the second Connection Block; 3, trailing wheel; 4, pedal; 5, seat; 51, seat support; 6, sunshade; 7, storing basket; 8, geometrical clamp.

The specific embodiment

With reference to the accompanying drawings the specific embodiment of the present utility model is made a detailed explanation below.

According to shown in Fig. 1 to Fig. 4, a kind of doll carriage vehicle frame described in the present embodiment, includes symmetrically arranged two front support rods 21, two back stays 22, two lower links 20 and two push rods 23; Anterior and the rearward end of lower link 20 respectively with front support rod 21 middle parts and back stay 22 lower hinge of the same side; The upper end of front support rod 21 is fixedly connected with the first Connection Block 203, and the bottom of push rod 23 and the first Connection Block 203 are hinged; Push rod 23 bottoms are positioned at the first Connection Block 203 top positions and are fixedly connected with the second Connection Block 204, and described back stay 22 upper ends and the second Connection Block 204 are hinged; Between the front support rod 21 of heteropleural and back stay 22, be connected with between lower pole 28, the first connecting straps 201 and front support rod 21, back stay 22, lower pole 28 respectively by the first L shaped connecting strap 201 all hingedly, two lower pole 28 middle parts are hinged and connected; Between the back stay 22 of heteropleural and push rod 23, by the second L shaped connecting strap 202, be connected with rear foldable rod 26 respectively, all hinged between the second connecting strap 202 and back stay 22, push rod 23, rear foldable rod 26, two rear foldable rod 26 middle parts are hinged and connected, and between two rear foldable rods 26, are connected with to control upper control stalk 27 and the lower control arm 29 that two rear foldable rods 26 launch or close.

The first connecting strap 201 and the second connecting strap 202 that are connected on back stay 22 are connected on back stay 22 by same bearing pin.

The first connecting strap 201 includes orthogonal two arm faces, is provided with a circular through hole on each arm face; The second connecting strap 202 is identical with the first connecting strap 201 structures.

Described upper control stalk 27 includes two bodies of rod that are hinged and connected, and two body of rod two ends and rear foldable rod 26 tops are hinged respectively, and two body of rod articulated position are provided with the control pin 271 in order to two body of rod foldings of manual control.

Described lower control arm 29 includes two bodies of rod that are hinged and connected, and two body of rod two ends and rear foldable rod 26 bottoms are hinged respectively, are provided with the fastener 291 that two bodies of rod is positioned to deployed condition on one of them body of rod.

Described push rod 23 upper ends bend to arc to vehicle frame 2 the place aheads, and the upper end of push rod 23 cover has the handle sleeve 231 of foam rubbery material.

The bottom of described front support rod 21 is connected with wheel flutter 1, and the bottom of described back stay 22 is connected with trailing wheel 3.

Described push rod 23 bottoms are connected with a geometrical clamp 8, and geometrical clamp 8 includes the jaws of two circular arcs, and the outside wall surface of the shape of jaws and push rod 23 closely cooperates.

On lower link 20 on this vehicle frame 2 and push rod 23, fabric seat 5 is installed; The top of push rod 23 is provided with sunshade bar 24, is provided with sunshade 6 on sunshade bar 24; The position that is positioned at seat support 51 belows between two described front support rods 21 is connected with the pedal 4 of a soft rubber material; On described vehicle frame 2, the underside of seat 51 is provided with storing basket 7.

When doll carriage is during in deployed condition, seat 5, sunshade 6 and pedal 4 are strutted by the lower link 20 of vehicle frame 2 both sides and push rod 23, support due to upper control stalk 27 and lower control arm 29, make lower pole 28 and rear foldable rod 28 in deployed condition, thereby vehicle frame 2 integral body are stable in deployed condition maintenance.

While packing up doll carriage, pull the fastener 291 on lower control arm 29, and upwards pull the control pin 271 on control stalk 27, two groups of bodies of rod of lower control arm 29 and upper control stalk are all turned up, like this, rear foldable rod 26 and lower pole 28 close up simultaneously, thereby push rod 23 is driven, centered by the first Connection Block 203, rotate counterclockwise, and drive front support rod 21 rotation corresponding to back stay 22, until push rod 23 offsets with front support rod 21, push rod 23 in these while both sides also offsets, by geometrical clamp 8, two push rods 23 are secured together, can make doll carriage in stable folded state.While launching doll carriage, by above-mentioned principle reverse operating.

Claims (1)

1. a doll carriage vehicle frame, is characterized in that: include symmetrically arranged two front support rods, two back stays, two lower links and two push rods; Anterior and the rearward end of lower link respectively with the front support rod of the same side in the middle part of and back stay lower hinge; The upper end of front support rod is fixedly connected with the first Connection Block, and the bottom of push rod and the first Connection Block are hinged; Push rod bottom is positioned at the first Connection Block top position and is fixedly connected with the second Connection Block, and described back stay upper end and the second Connection Block are hinged; Between the front support rod of heteropleural and back stay, be connected with lower pole respectively by the first L shaped connecting strap, all hinged between the first connecting strap and front support rod, back stay, lower pole, two lower pole middle parts are hinged and connected; Between the back stay of heteropleural and push rod, by the second L shaped connecting strap, be connected with rear foldable rod respectively, all hinged between the second connecting strap and back stay, push rod, rear foldable rod, two rear foldable rod middle parts are hinged and connected, and between two rear foldable rods, are connected with to control upper control stalk and the lower control arm that two rear foldable rods launch or close;

The first connecting strap and the second connecting strap that are connected on back stay are connected on back stay by same bearing pin;

The first connecting strap includes orthogonal two arm faces, is provided with a circular through hole on each arm face; The second connecting strap is identical with the first connecting strap structure;

Described upper control stalk includes two bodies of rod that are hinged and connected, and two body of rod two ends and rear foldable rod top are hinged respectively, and two body of rod articulated position are provided with the control pin in order to two body of rod foldings of manual control;

Described lower control arm includes two bodies of rod that are hinged and connected, and two body of rod two ends and rear foldable rod bottom are hinged respectively, are provided with the fastener that two bodies of rod is positioned to deployed condition on one of them body of rod;

Described push rod upper end bends to arc to vehicle frame the place ahead, and the upper end of push rod cover has the handle sleeve of foam rubbery material;

The bottom of described front support rod is connected with wheel flutter, and the bottom of described back stay is connected with trailing wheel;

Described push rod bottom is connected with a geometrical clamp, and geometrical clamp includes the jaws of two circular arcs, and the shape of jaws and the outside wall surface of push rod closely cooperate.

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