CN201268327Y

CN201268327Y - Foldable baby carriage

Info

Publication number: CN201268327Y
Application number: CNU200820041691XU
Authority: CN
Inventors: 李伟琼
Original assignee: SUZHOU VIGORKIDS CHILD PRODUCTS CO Ltd
Current assignee: SUZHOU VIGORKIDS CHILD PRODUCTS CO Ltd
Priority date: 2008-08-28
Filing date: 2008-08-28
Publication date: 2009-07-08
Anticipated expiration: 2018-08-28

Abstract

The utility model discloses a folding pushchair which comprises a bottom support with a bottom plastic piece and a bottom branch tube, and front supports with front plastic pieces and front support tubes, wherein the bottom plastic piece is transversally connected with the front plastic pieces by pins, the rear ends of the two front support tubes are respectively connected with push rods by upper joints through pins, the front sections of the push rods extend forwards and are respectively arranged at the lower parts of the front support tubes, and the front ends of the push rods are respectively provided with lower joints to be locked with the front support tubes; an X-shaped support frame is connected between the two lower joints and the bottom branch tube by pins, connecting rods are respectively connected between the bottom branch tube and the lower joints; the upper ends of the connecting rods are rotatably and respectively connected with the lower joints, and the lower ends of the connecting rods are arranged behind the lower connecting ends of the X-shaped support frame and are rotatably connected with the bottom branch tube. The utility model changes the connecting positions of the connecting rods so that the connecting rods can be matched with the X-shaped support frame to better support the front supports, ensures that a pushchair basket or a chair cannot change the height when a baby sits in the pushchair basket or the chair for a long time and ensures the stability and the safety of the pushchair.

Description

Foldable baby stroller

Technical field

The utility model relates to a kind of Foldable baby stroller.

Background technology

Doll carriage in the market generally includes the vehicle frame that handbag or bicycle basket or seat are installed, vehicle frame comprises front component, wheel assembly, two sidecar framves that are symmetrical set and is connected a plurality of cross bars between the vehicle frame of both sides, each sidecar frame comprises front frame, after poppet and push rod, and vehicle frame can locking when launching to use.The shortcoming of this type of go-cart has:

1. integral structure is essentially left and right sides two-piece type vehicle frame, when folding can only before and after folding, and can not about folding, the volume after folding is still bigger, is not easy to place and carry;

2. body frame structure for automotive more complicated, a plurality of cross bars about being fastened between two vehicle frames can produce more interference when folding, use trouble.

In order to solve the deficiency of above-mentioned doll carriage, the applicant has applied for a kind of Foldable baby stroller, application number is 200620076331.4, it comprises and taking the shape of the letter U, opening lower supporter and front frame backward, lower supporter comprises end plastic and vertical pin joint arm at the bottom of two on the end plastic of front end, the rear end of the bottom of end plastic and end arm is separately installed with wheel, front frame comprises preceding plastic and vertical two the preceding arms of pin joint on preceding plastic of front end, end plastic and the horizontal pin joint of preceding plastic, the rear end of two preceding arms is connected with push rod by upper joint respectively, the leading portion of push rod extends and is positioned at the bottom of preceding arm forward, the front end of push rod is provided with the locking of hypozygal and preceding arm, is connected with the X-shaped bracing frame between two hypozygals and the end arm; This go-cart can not only before and after folding, and can also about folding, the volume after folding is littler, the interference when folding is still less laid and carries more convenient.

This patent is connected with collapsible bottom supporting rod between the rear portion of two end arms, be connected with connecting rod between collapsible bottom supporting rod and the end plastic, and during deployed condition, connecting rod and X-shaped bracing frame play a supporting role to front frame.But prove that because the connection location of connecting rod and front frame is lower, so connecting rod is not good especially to the supporting role of front frame through long-term test results, it is of a specified duration more that the baby is sitting in time at bicycle basket or seat, and bicycle basket or seat will be low more.

Summary of the invention

The utility model purpose is: a kind of Foldable baby stroller is provided, this go-cart has changed the connection location of connecting rod, make connecting rod can cooperate X-shaped bracing frame support front bracket better, when guaranteeing that the baby is sitting in bicycle basket or seat for a long time, bicycle basket or seat can not change its height, have guaranteed the stability and the safety of this Foldable baby stroller.

The technical solution of the utility model is: a kind of Foldable baby stroller, comprise lower supporter and front frame, lower supporter comprises end plastic and vertical pin joint arm at the bottom of two on the end plastic of front end, the rear end of the bottom of end plastic and end arm is separately installed with wheel, front frame comprises preceding plastic and vertical two the preceding arms of pin joint on preceding plastic of front end, end plastic and the horizontal pin joint of preceding plastic, the rear end of two preceding arms is connected with push rod by upper joint respectively, the leading portion of push rod extends and is positioned at the bottom of preceding arm forward, the front end of push rod is provided with hypozygal and the locking of preceding arm, be connected with the X-shaped bracing frame between two hypozygals and the end arm, be connected with connecting rod between arm of the described end and the hypozygal, the upper end of connecting rod is connected rotationally with hypozygal, the lower end of connecting rod be arranged on the X-shaped bracing frame following coupling end the rear and be connected rotationally with end arm;

The leading section that the bottom of described preceding arm is positioned at push rod is provided with the groove that opening makes progress, be provided with lock slider in the front port of push rod, lock slider can embed in the groove, the rear end of lock slider is provided with spring, and the spring pin that is fixed is fixed in the inner chamber of push rod, and the rear end of lock slider is connected with traction lock, the rear end of traction lock is connected with folding handle, folding handle is positioned at the pipe at the rear portion of push rod, and the outside of folding handle is provided with slide block, is provided with poke hole corresponding to the push rod of slide block position;

Be connected with collapsible strut bar between the rear portion of described two push rods, the middle part of collapsible strut bar is provided with and connects cover, connects cover and is provided with folding button.

The utility model advantage is: the utility model has changed the connection location of connecting rod, make connecting rod can cooperate X-shaped bracing frame support front bracket better, when guaranteeing that the baby is sitting in bicycle basket or seat for a long time, bicycle basket or seat can not change its height, have guaranteed the stability and the safety of this Foldable baby stroller.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further described:

Fig. 1 is the structural representation of the utility model deployed condition;

Fig. 2 is the lateral plan of Fig. 1;

Fig. 3 is the structural representation of the emerging folding intermediateness of this practicality;

Fig. 4 is the structural representation of the utility model folded state;

Cutaway view when Fig. 5 is hypozygal and preceding arm lock-out state.

Cutaway view when Fig. 6 is hypozygal and preceding arm unlocked state.

Wherein: 10 lower supporters; 11 end plastics; 12 end arms;

20 front frames; Plastic before 21; Arm before 22; 23 upper joints; 24 push rods; 25 hypozygals; 26 grooves; 27 lock sliders; 28 springs; 29 set pins; 210 traction locks; 211 folding handles; 212 slide blocks; 213 poke holes; 214 collapsible strut bars; 215 connect cover; 216 folding buttons.

The specific embodiment

Embodiment: as Fig. 1 to shown in Figure 6, a kind of Foldable baby stroller, comprise take the shape of the letter U, opening lower supporter 10 and front frame 20 backward.

Lower supporter 10 comprises end plastic 11 and vertical pin joint arm 12 at the bottom of two on the end plastic 11 of front end, and the rear end of the bottom of end plastic 11 and end arm 12 is separately installed with wheel 30.

Front frame 20 comprises preceding plastic 21 and vertical two the preceding arms 22 of pin joint on preceding plastic 21 of front end, end plastic 11 and preceding plastic 21 horizontal pin joints, the rear end of two preceding arms 22 is connected with push rod 24 by upper joint 23 respectively, the leading portion of push rod 24 extends and is positioned at the bottom of preceding arm 22 forward, the front end of push rod 24 is provided with hypozygal 25 and preceding arm 22 lockings, be connected with X-shaped bracing frame 40 between two hypozygals 25 and the end arm 12, be connected with collapsible strut bar 214 between the rear portion of two push rods 24, the middle part of collapsible strut bar 214 is provided with and connects cover 215, connects cover 215 and is provided with folding button 216.

Be connected with connecting rod 50 between arm 12 of the described end and the hypozygal 25, the upper end of connecting rod 50 is connected rotationally with hypozygal 25, the lower end of connecting rod 50 be arranged on the X-shaped bracing frame following coupling end the rear and be connected rotationally with end arm 12.The utility model has changed the connection location of connecting rod 50, make connecting rod 50 can cooperate X-shaped bracing frame 40 support front bracket 20 better, when guaranteeing that the baby is sitting in bicycle basket or seat for a long time, bicycle basket or seat can not change its height, have guaranteed the stability and the safety of this Foldable baby stroller.

The leading section that the bottom of preceding arm 22 is positioned at push rod 24 is provided with the groove 26 that opening makes progress, be provided with lock slider 27 in the front port of push rod 24, lock slider 27 can embed in the groove 26, the rear end of lock slider 27 is provided with spring 28, spring 28 pin 29 that is fixed is fixed in the inner chamber of push rod 24, the rear end of lock slider 27 is connected with traction lock 210, the rear end of traction lock 210 is connected with folding handle 211, folding handle 211 is positioned at the pipe at the rear portion of push rod 24, the outside of folding handle 211 is provided with slide block 212, is provided with poke hole 213 corresponding to the push rod 24 of slide block 212 positions.

When folding, pin folding button 216, make collapsible strut bar 214 bendings after, on carry slide block 212 on the folding handle 211 of push rod 24 both sides, drive traction lock 210, under the pulling force of traction lock 210, lock slider 27 moves up, when folding handle 211 is moved to topmost; The groove 26 of arm 22 belows before lock slider 27 breaks away from fully, apply forward a power to push rod 24 this moment, and car body can draw in.

During expansion, lift push rod 24, push rod 24 and front frame 22 are separated, when the below of lock slider 27 and the below of preceding arm 22 suit, under the pressure of spring 28, before lock slider 27 slips into and is fixed in the groove 26 of arm 22 belows, carry on then and connect cover 215, make collapsible strut bar 214 stretching, car body promptly launched fully and decide.

Below only be concrete exemplary applications of the present utility model, protection domain of the present utility model is not constituted any limitation.In addition to the implementation, the utility model can also have other embodiment.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the utility model scope required for protection.

Claims

1. Foldable baby stroller, comprise lower supporter (10) and front frame (20), lower supporter (10) comprises end plastic (11) and vertical pin joint arm (12) at the bottom of two on the end plastic (11) of front end, the rear end of the bottom of end plastic (11) and end arm (12) is separately installed with wheel (30), front frame (20) comprises preceding plastic (21) and vertical two the preceding arms (22) of pin joint on preceding plastic (21) of front end, end plastic (11) and the horizontal pin joint of preceding plastic (21), the rear end of two preceding arms (22) is connected with push rod (24) by upper joint (23) respectively, the leading portion of push rod (24) extends and is positioned at the bottom of preceding arm (22) forward, the front end of push rod (24) is provided with hypozygal (25) and preceding arm (22) locking, be connected with X-shaped bracing frame (40) between two hypozygals (25) and the end arm (12), it is characterized in that: be connected with connecting rod (50) between arm of the described end (12) and the hypozygal (25), the upper end of connecting rod (50) is connected rotationally with hypozygal (25), the lower end of connecting rod (50) be arranged on X-shaped bracing frame (40) following coupling end the rear and be connected rotationally with end arm (12).

2. according to the described Foldable baby stroller of claim 1, it is characterized in that: the leading section that the bottom of described preceding arm (22) is positioned at push rod (24) is provided with the groove (26) that opening makes progress, be provided with lock slider (27) in the front port of push rod (24), lock slider (27) can embed in the groove (26), the rear end of lock slider (27) is provided with spring (28), spring (28) pin (29) that is fixed is fixed in the inner chamber of push rod (24), the rear end of lock slider (27) is connected with traction lock (210), the rear end of traction lock (210) is connected with folding handle (211), folding handle (211) is positioned at the pipe at the rear portion of push rod (24), the outside of folding handle (211) is provided with slide block (212), is provided with poke hole (213) corresponding to the push rod (24) of slide block (212) position.

3. according to claim 1 or 2 described Foldable baby strollers, it is characterized in that: be connected with collapsible strut bar (214) between the rear portion of described two push rods (24), the middle part of collapsible strut bar (214) is provided with and connects cover (215), connects cover (215) and is provided with folding button (216).