CN201245172Y

CN201245172Y - Foldable baby carriage

Info

Publication number: CN201245172Y
Application number: CNU2008200382773U
Authority: CN
Inventors: 李伟琼
Original assignee: SUZHOU VIGORKIDS CHILD PRODUCTS CO Ltd
Current assignee: SUZHOU VIGORKIDS CHILD PRODUCTS CO Ltd
Priority date: 2008-06-16
Filing date: 2008-06-16
Publication date: 2009-05-27
Anticipated expiration: 2018-06-16

Abstract

The utility model discloses a foldable stroller, which comprises a left side frame, a right side frame, front wheel components and rear wheel components; wherein, each side frame comprises a front support, a rear support and a push rod; a front wheel seat is connected with the front ends of the two rear supports by pins; a foot board is connected with the front wheel seat by pins and connected with lower front support connection parts by pins; the rear ends of the front supports are provided with upper front support connection parts and bolt-limiting parts; the upper front support connection parts are connected with the push rods by rotating parts and shafts; lower push rod connection parts arranged on the lower ends of the push rods are connected with an X-shaped supporting rod by rotating parts; the lower ends of the X-shaped supporting rod are rotatably connected with the two rear supports; a foldable brace is connected between the two rear supports; the foldable brace comprises a left brace and a right brace which are spliced together by a pin; and links are connected between the foot board and the left and the right braces. When the stroller is unfolded, the bolt-limiting parts are locked by locking mechanisms arranged on the push rods. The folded stroller, which is contracted bi-directionally, is small, so the stroller can be conveniently carried and placed.

Description

Foldable baby stroller

Technical field

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

Background technology

Four-wheel 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. whole vehicle frame is the two sectional type structure substantially when folding, and the volume after folding is still bigger, is not easy to place and carry;

2. body frame structure for automotive more complicated, folding interference is more, uses trouble.

Summary of the invention

The utility model purpose is: a kind of Foldable baby stroller is provided, and the whole vehicle frame of this go-cart is two-way contraction when folding, and volume is less when folding, and be easy to carry and place, and also easy to use, safety is good.

The technical solution of the utility model is: a kind of Foldable baby stroller, comprise the sidecar frame that is symmetrical set, front component and wheel assembly, the sidecar frame comprises front frame, after poppet and push rod, the front end of described two after poppets is connected with preceding wheel seat, be connected with tread plate on the preceding wheel seat, the attaching parts pin joint is connected under the front frame of tread plate and front frame front end, the rear end of front frame is fixed with front frame upper connector and dead bolt locating part, the front frame upper connector is connected by tumbler and axle with push rod, the lower end of push rod is equipped with attaching parts under the push rod, attaching parts is connected with the X strut by revolving part under two push rods, the X strut is formed by two strut pin joints, the lower end of X strut is connected rotationally with two after poppets, be connected with folding strut between two after poppets, folding strut is formed by left strut and right strut upward and downward ground pin joint, a tread plate and a left side, be connected with connecting rod between the right strut, during deployed condition, the dead bolt locating part is locked by the lockout mechanism on the push rod;

Described lockout mechanism comprises the dead bolt that is positioned at push rod, stage clip, traction lock, folding sliding part and stretch out the folding handle of the mounting hole of push rod, dead bolt is contained in the groove of attaching parts under the push rod, compression spring sleeve is on traction lock, dead bolt is lived on one crown, attaching parts under the push rod is withstood in the other end, one of traction lock connects dead bolt, the other end connects folding sliding part, and folding handle is connected and fixed with folding sliding part, and the dead bolt locating part can stretch under the push rod in the attaching parts, and which is provided with a jack for the dead bolt insertion, dead bolt has an inclined-plane, and when vehicle frame launched fully, dead bolt moved into jack, realize locking, when folding, the folding handle of pulling, folding handle drives folding sliding part and spurs dead bolt by traction lock, dead bolt is broken away from the jack of dead bolt locating part, realize release;

Two lower ends of described X strut are connected with U type spare respectively, about U type spare to the ground pin joint on after poppet, X strut and U type spare bonded assembly bearing pin and U type spare and vertical setting of after poppet bonded assembly bearing pin are so that the X strut rotates relative to after poppet;

Described front component and wheel assembly are separately positioned on the forward and backward two ends of after poppet; The both sides of wheel seat before described front component is arranged on, during deployed condition, attaching parts is located at the upper end of front component under the front frame of front frame, and during folded state, attaching parts and front component break away under the front frame of front frame;

The upper end of described two push rods is respectively equipped with the push rod upper connector, is connected with handle between two push rod upper connectors.

The utility model advantage is:

1. the utility model is two-way contraction when folding, and volume is less when folding, is easy to carry and places.

2. compared with prior art, body frame structure for automotive of the present utility model is fairly simple, and the interference when folding is less, uses conveniently, and safety is better.

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 lateral plan of Fig. 3;

Fig. 5 is the structural representation of the utility model folded state;

Fig. 6 is that tread plate is connected cutaway view with preceding wheel seat.

Fig. 7 is the utility model lockout mechanism cutaway view.

Wherein: 1 sidecar frame; 2 front components; 3 front frames; 4 wheel assemblies; 5 after poppets; 6 push rods; Wheel seat before 7; 8 tread plates; Attaching parts under 9 front frames; 10 front frame upper connectors; 11 dead bolt locating parts; 12 tumblers; 13; Attaching parts under 14 push rods; 15 revolving parts; 16 X struts; 17 folding struts; 18 left struts; 19 right struts; 20 connecting rods; 21 dead bolts; 22 stage clips; 23 traction locks; 24 folding sliding parts; 25 folding handles; 26 grooves; 27 jacks; 28 inclined-planes; 29 U type spares; 30 push rod upper connectors; 31 handles; 32 pins.

The specific embodiment

Embodiment: extremely shown in Figure 7 as Fig. 1, a kind of Foldable baby stroller, comprise the sidecar frame 1 that is symmetrical set, front component 2 and wheel assembly 4, sidecar frame 1 comprises front frame 3, after poppet 5 and push rod 6, described front component 2 and wheel assembly 4 all are arranged on the after poppet 5, the front end of two after poppets 5 is connected with preceding wheel seat 7, be connected with tread plate 8 on the preceding wheel seat 7, attaching parts 9 pin joints are connected under the front frame of tread plate 8 and front frame 3 front ends, the rear end of front frame 3 is fixed with front frame upper connector 10 and dead bolt locating part 11, front frame upper connector 10 is connected by tumbler 12 and axle 13 with push rod 6, the upper end of two push rods 6 is respectively equipped with push rod

upper connector

30,30 of two push rod upper connectors are connected with handle 31, the lower end of push rod 6 is equipped with attaching parts 14 under the push rod, attaching parts 14 is connected with X strut 16 by revolving part 15 under two push rods, X strut 16 is formed by two strut pin joints, the lower end of X strut 16 is connected rotationally with two after poppets 5, be connected with folding strut 17 between two after poppets 5, folding strut 17 is formed by left strut 18 and right strut 19 upward and downward ground pin joints, a tread plate 8 and a left side, be connected with connecting rod 20 between the

right strut

18 and 19, during deployed condition, dead bolt locating part 11 is locked by the lockout mechanism on the push rod 6.

Described lockout mechanism comprises the dead bolt 21 that is positioned at push rod 6, stage clip 22, traction lock 23, folding sliding part 24 and stretch out the folding handle 25 of the mounting hole of push rod 6, dead bolt 21 is contained in the groove 26 of attaching parts 14 under the push rod, stage clip 22 is enclosed within on the traction lock 23, dead bolt 21 is lived on one crown, attaching parts 14 under the push rod is withstood in the other end, one of traction lock 23 connects dead bolt 21, the other end connects folding sliding part 24, folding handle 25 is connected and fixed with folding sliding part 24, dead bolt locating part 11 can stretch under the push rod in the attaching parts 14, and which is provided with a jack 27 for dead bolt 21 insertions, dead bolt 21 has an inclined-plane 28.

Two lower ends of described X strut 16 are connected with U type spare 29 respectively, U type spare about 29 to the ground pin joint on after poppet 5, the bonded assembly bearing pin is vertical is provided with for X strut 16 and U type spare 29 bonded assembly bearing pins and U type spare 29 and after poppet 5, so that X strut 16 rotates relative to after poppet 5.

The both sides of wheel seat 7 before described front component 2 is arranged on, during deployed condition, attaching parts 9 is located at the upper end of front component 2 under the front frame of front frame 3, and during folded state, attaching parts 9 breaks away from front component 2 under the front frame of front frame 3.

When folding, the user spurs folding handle 25, folding handle 25 drives folding sliding part 24 by traction lock 23 pulling dead bolts 21, dead bolt 21 is broken away from the jack 27 of dead bolt locating part 11, at this moment, the user can promote handle 31 forward, and push rod 6 rotates around the rivet of tumbler 12 with front frame upper connector 10 pin joints, when push rod 6 rotates, drive front frame 3 and force tread plate 8 to rotate, realize vertical contraction of vehicle frame around pin 32; Because of tread plate 8 rotates around pin 32, tread plate 8 promotes left and right strut 18 of bottom supporting rod and the 19 rivets rotations around pin joint down by connecting rod 20, drive X strut 16 lateral contraction by after poppet 5, realize the lateral contraction of vehicle frame again by the lateral contraction of X strut 16; Lateral contraction makes vehicle frame folding with vertical the contraction.

During expansion, the user can lift handle 31, vehicle frame laterally with is vertically all launched, when vehicle frame will soon launch fully, dead bolt locating part 11 is run on inclined-plane 28 on the dead bolt 21, press down handle 31 this moment, force dead bolt 21 to move along the direction of push rod 6, while compression press spring 22, when vehicle frame launched fully, dead bolt 21 alignd with jack on the dead bolt locating part 11, stage clip 22 resiliences this moment, the pressure that produces forces dead bolt 21 to move in the jack on the dead bolt locating part 11, makes whole vehicle frame be able to lock in deployed condition.

The utility model is two-way contraction when folding, volume is less when folding, and be easy to carry and place, and also easy to use, safety is good.

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 the sidecar frame (1) that is symmetrical set, front component (2) and wheel assembly (4), sidecar frame (1) comprises front frame (3), after poppet (5) and push rod (6), it is characterized in that: the front end of described two after poppets (5) is connected with preceding wheel seat (7), be connected with tread plate (8) on the preceding wheel seat (7), attaching parts (9) pin joint is connected under the front frame of tread plate (8) and front frame (3) front end, the rear end of front frame (3) is fixed with front frame upper connector (10) and dead bolt locating part (11), front frame upper connector (10) is connected by tumbler (12) and axle (13) with push rod (6), the lower end of push rod (6) is equipped with attaching parts under the push rod (14), attaching parts under two push rods (14) is connected with X strut (16) by revolving part (15), X strut (16) is formed by two strut pin joints, the lower end of X strut (16) is connected rotationally with two after poppets (5), be connected with folding strut (17) between two after poppets (5), folding strut (17) is formed by left strut (18) and right strut (19) upward and downward ground pin joint, a tread plate (8) and a left side, right strut (18,19) be connected with connecting rod (20) between, during deployed condition, dead bolt locating part (11) is locked by the lockout mechanism on the push rod (6).

2. according to the described Foldable baby stroller of claim 1, it is characterized in that: described lockout mechanism comprises the dead bolt (21) that is positioned at push rod (6), stage clip (22), traction lock (23), folding sliding part (24) and stretch out the folding handle (25) of the mounting hole of push rod (6), dead bolt (21) is contained in the groove (26) of attaching parts under the push rod (14), stage clip (22) is enclosed within on the traction lock (23), dead bolt (21) is lived on one crown, attaching parts under the push rod (14) is withstood in the other end, one of traction lock (23) connects dead bolt (21), the other end connects folding sliding part (24), folding handle (25) is connected and fixed with folding sliding part (24), dead bolt locating part (11) can stretch in the attaching parts under the push rod (14), and which is provided with a jack (27) for dead bolt (21) insertion, dead bolt (21) has an inclined-plane (28), when vehicle frame launches fully, dead bolt (21) moves into jack (27), realize locking, when folding, the folding handle of pulling (25), folding handle (25) drives folding sliding part (24) by traction lock (23) pulling dead bolt (21), dead bolt (21) is broken away from the jack (27) of dead bolt locating part (11), realize release.

3. according to claim 1 or 2 described Foldable baby strollers, it is characterized in that: two lower ends of described X strut (16) are connected with U type spare (29) respectively, about U type spare (29) to the ground pin joint on after poppet (5), X strut (16) and U type spare (29) bonded assembly bearing pin and U type spare (29) and vertical setting of after poppet (5) bonded assembly bearing pin are so that X strut (16) rotates relative to after poppet (5).

4. according to claim 1 or 2 described Foldable baby strollers, it is characterized in that: described front component (2) and wheel assembly (4) are separately positioned on the forward and backward two ends of after poppet (5).

5. according to the described Foldable baby stroller of claim 4, it is characterized in that: described front component (2) is arranged on the both sides of preceding wheel seat (7), during deployed condition, attaching parts (9) is located at the upper end of front component (2) under the front frame of front frame (3), during folded state, attaching parts (9) breaks away from front component (2) under the front frame of front frame (3).

6. according to claim 1 or 2 described Foldable baby strollers, it is characterized in that: the upper end of described two push rods (6) is respectively equipped with push rod upper connector (30), is connected with handle (31) between two push rod upper connectors (30).