CN2774883Y

CN2774883Y - Folding structure by child cart driving and tracting

Info

Publication number: CN2774883Y
Application number: CN 200520055859
Authority: CN
Inventors: 蔡信德
Original assignee: XUNLI CHILDREN'S USE ARTICLES (SHENZHEN) CO Ltd
Current assignee: XUNLI CHILDREN'S USE ARTICLES (SHENZHEN) CO Ltd
Priority date: 2005-03-14
Filing date: 2005-03-14
Publication date: 2006-04-26
Anticipated expiration: 2015-03-14

Abstract

The utility model discloses a folding structure which is driven and towed by a child cart. The utility model is composed of a pull handle seat for folding, a pull handle for folding, two locks for folding, a pressing spring for the two locks for folding, a transmission folding steel wire and an unlock mechanism. The rotation of the pull handle for folding can pull the transmission folding steel wire to drive the unlock mechanism for unfolding or folding the whole child cart; the unfolding or the folding operation can be completed by a single hand. The utility model has the advantages of simple operation, easy folding, small size of the child cart after the folding and convenient carrying.

Description

The retracting structure of perambulator transmission traction

Technical field

The utility model relates to a kind of perambulator, particularly relates to a kind of retracting structure of perambulator transmission traction.

Background technology

In the prior art, Foldable baby carriage generally adopt open on the handgrip of upper end fold, the lower end, rear portion kicks up the mode that folds and folds.Because prior art need with the hands operate and use, be difficult to quick, the safe inconvenience that folds and carry.

The utility model content

The purpose of this utility model is to provide a kind of retracting structure of collecting perambulator transmission traction quick, simple to operate.

For achieving the above object, technical solution of the present utility model is:

The utility model is a kind of retracting structure of perambulator transmission traction, and it mainly is made up of vehicle folding pull-handle base, vehicle folding pull-handle, vehicle folding spare lock, vehicle folding spare lock pressure spring, driven coiling steel wire and unlocking mechanism; Described vehicle folding pull-handle base has an inner chamber, offers an elongated slot that connects with inner chamber above this inner chamber, and vehicle folding spare lock is nested with in this elongated slot and can slides along this elongated slot; Described vehicle folding spare lock stretches out a plectrum downwards can insert this elongated slot, is provided with a latch substantially parallel with elongated slot at the outer wall of this plectrum; Described vehicle folding pull-handle one end is hinged on the vehicle folding pull-handle base, offers a locking hole that cooperates with latch on the vehicle folding spare lock at the middle part of vehicle folding pull-handle; Described vehicle folding spare lock pressure spring is installed in the inner chamber of vehicle folding pull-handle base, and two ends lean the plectrum inwall that stretches out respectively downwards on vehicle folding pull-handle base internal chamber wall and vehicle folding spare lock; One end of described driven coiling steel wire pass the vehicle folding pull-handle base internal chamber wall and vehicle folding pull-handle affixed.

The utility model comprises also and is installed in steel wire protection cover on the frame for baby cart that described driven coiling steel wire passes this steel wire protection cover.

Described unlocking mechanism folds grab by drawing together, fold clamping hook seat, fold stage clip forms; Describedly fold grab and fold stage clip and be nested with in folding clamping hook seat, fold clamping hook seat and be installed in the front foot pipe of vehicle frame; The described other end that folds the affixed driven coiling steel wire of grab.

After adopting such scheme, the utility model is made up of vehicle folding pull-handle base, vehicle folding pull-handle, vehicle folding spare lock, vehicle folding spare lock pressure spring, driven coiling steel wire and unlocking mechanism.By rotate vehicle folding pull-handle pulling driven coiling steel wire, driven coiling steel wire pulling unlocking mechanism launches whole perambulator or collect, the singlehanded operation that just can finish expansion or collect, have simple to operate, collect easy advantage, and the perambulator volume after folding is little, easy to carry.

Below in conjunction with the drawings and specific embodiments the utility model is further described.

Description of drawings

Fig. 1, Fig. 2 are the forward and backward axonometric drawings of perambulator;

Fig. 3 is the axonometric drawing after perambulator is collected;

Fig. 4 is an axonometric drawing of the present utility model;

Fig. 5 is a cutaway view of the present utility model;

Fig. 6 is unlocking condition figure of the present utility model;

Fig. 7 is the constitution diagram that returns the vehicle to the garage and knock off of the present utility model;

Fig. 8 is a birds-eye view of the present utility model.

Fig. 9 is the axonometric drawing of the utility model vehicle folding spare lock;

Figure 10 is the structural representation of the utility model unlocking mechanism.

The specific embodiment

As Fig. 1, Fig. 2, shown in Figure 3, a kind of perambulator comprises vehicle frame 1, wheel 2, seat cushion 3, and described wheel 2 is installed in four pin of vehicle frame 1, and the both sides of seat cushion 3 are articulated on the vehicle frame 1.

Described vehicle frame 1 is made up of expansion push-pull mechanism 11, dual-side frame 12, bindiny mechanism 13.

Described dual-side frame 12 is symmetrically arranged first side frame and second side frame, it is by handspike 121, front-wheel pole 122, rear wheel fulcrum bar 123 and contiguous block 124 are formed, described contiguous block 124 is provided with the through hole 1241 that allows handspike 121 pass, described front-wheel pole 122, one end of rear wheel fulcrum bar 123 is hinged on respectively on the contiguous block 124, front-wheel pole 122, the other end of rear wheel fulcrum bar 123 connects wheel 2 respectively, and it is hinged that described handspike 121 passes through hole 1241 on the contiguous block 124 and its front end and front-wheel pole 122 in the mode of can slide up and down.

Described expansion push-pull mechanism 11 is made up of the retracting structure 9 of mobile jib 111, last umbrella shape pole 112, middle umbrella shape pole 113, following umbrella shape pole 114 and the utility model perambulator transmission traction.

As Fig. 4, shown in Figure 5, the retracting structure 9 of described perambulator transmission traction is made up of vehicle folding pull-handle base 91, vehicle folding pull-handle 92, vehicle folding spare lock 93, vehicle folding spare lock pressure spring 94, driven coiling steel wire 95, steel wire protection 96 (as shown in Figure 8) of cover and unlocking mechanism 97 (as shown in figure 10).

Described vehicle folding pull-handle base 91 has an inner chamber 911, above this inner chamber 911, offer an elongated slot that connects with inner chamber, described vehicle folding spare lock 93 is nested with in this elongated slot 911 and can slides along this elongated slot, vehicle folding spare lock 93 (as shown in Figure 9) stretches out a plectrum 931 downwards can insert this elongated slot, is provided with a latch 932 substantially parallel with elongated slot at the outer wall of this plectrum 931.Described vehicle folding pull-handle 92 1 ends are hinged on the vehicle folding pull-handle base 91, offer a locking hole 921 that cooperates with latch 932 on the vehicle folding spare lock 93 at the middle part of vehicle folding pull-handle 92, and latch 932 can insert in the locking hole 921, and vehicle folding pull-handle 92 can't be rotated up.Described vehicle folding spare lock pressure spring 94 is installed in the inner chamber 911 of vehicle folding pull-handle base 91, and two ends lean plectrum 931 inwalls that stretch out respectively downwards on vehicle folding pull-handle base 91 internal chamber walls and vehicle folding spare lock 93.One end of described driven coiling steel wire 95 pass vehicle folding pull-handle base 91 inner chambers, 911 walls and vehicle folding pull-handle 92 affixed.

As shown in Figure 8, described steel wire protection cover 96 is installed on the last umbrella shape pole 112 of frame for baby cart 1, and driven coiling steel wire 95 passes this steel wire protection cover 96.

As shown in figure 10, described unlocking mechanism 97 folds grab 971 by drawing together, folds clamping hook seat 972, folds stage clip 973 and form.Described fold grab 971 and fold stage clip 973 be nested with in folding clamping hook seat 972, fold clamping hook seat 972 and be installed in the front foot pipe of vehicle frame 1; The described other end that folds grab 971 affixed driven coiling steel wires.

As Fig. 1, Fig. 2, shown in Figure 3, describedly go up umbrella shape pole 112 and constitute by movable branching rod 1121 on two, the inner of movable branching rod 1121 is hinged on respectively on the vehicle folding pull-handle base 91 on two; Umbrella shape pole 113 is made up of movable branching rod 1131 in two and middle contiguous block 1132 in described, and the inner of movable branching rod 1131 is hinged on respectively on the middle contiguous block 1132 in two; Described down umbrella shape pole 114 is made up of twice movable branching rods 1141 and lower connecting block 1142, the inner of twice movable branching rods 1141 is hinged on respectively on the lower connecting block 1142, the outer end of described two upper, middle and lower movable branching rods 1121,1131,1141 is hinged on all respectively on the rear wheel fulcrum bar 123 on the dual-side frame 12, the two ends of described mobile jib 111 connect upper and lower contiguous block 1122,1142 respectively, and described middle contiguous block 1132 is socketed in also can be along the vertical upper and lower slip of mobile jib 111 on the mobile jib 111.

Described bindiny mechanism 13 is made up of the pipe link 131,132 of a pair of middle part cross-articulation.Two outer ends of pipe link 131 are movably hinged the front-wheel pole 122 and the second side frame rear wheel fulcrum bar 123 of first side frame respectively, and two outer ends of pipe link 132 are movably hinged the front-wheel pole 122 and the first side frame rear wheel fulcrum bar 123 of second side frame 12 respectively.

Operating principle of the present utility model (shown in Fig. 5-7):

Promote vehicle folding spare lock 93 earlier, make the locking hole 921 on latch 932 vehicle folding pull-handles, remove vehicle folding spare lock 93, rotate up vehicle folding pull-handle 92 again, vehicle folding pull-handle 93 rotate up drive the other end on the driven coiling steel wire 95 fold grab 971, when fold grab 971 break away from fold clamping hook seat 972 after, vehicle folding pull-handle 92 is upwards mentioned fully again, reaches the purpose that folds.

When fold finish after, vehicle folding pull-handle 92 puts down naturally, under the effect that folds stage clip 973, folding grab 971 automatically resets and drive to receive the vehicle folding pull-handle 92 of driven coiling steel wire 95 another sides, after vehicle folding pull-handle 92 automatically resets, vehicle folding spare lock 93 vehicle folding spare lock 93 under the effect of vehicle folding spare lock pressure spring 94 resets, and all component resets.

Assembling mode of the present utility model: with vehicle folding spare lock 93 and vehicle folding spare lock pressure spring 94 vehicle folding pull-handle base 91 the insides of packing into, the driven coiling steel wire 95 that will assemble again penetrates in the vehicle folding pull-handle 92 and is fixed together with rivet and vehicle folding pull-handle base 91.To fold again that steel wire 95 passes steel wire protection cover 96, rear foot tube is connected plastic cement in front foot pipe with the rear foot; on driven coiling steel wire 95, put on and fold stage clip 973; again with driven coiling steel wire 95 front ends with fold grab 971 and be riveted together, and it is located at the front foot pipe lower end.

Claims

1, a kind of retracting structure of perambulator transmission traction is characterized in that: it mainly is made up of vehicle folding pull-handle base, vehicle folding pull-handle, vehicle folding spare lock, vehicle folding spare lock pressure spring, driven coiling steel wire and unlocking mechanism; Described vehicle folding pull-handle base has an inner chamber, offers an elongated slot that connects with inner chamber above this inner chamber, and vehicle folding spare lock is nested with in this elongated slot and can slides along this elongated slot; Described vehicle folding spare lock stretches out a plectrum downwards can insert this elongated slot, is provided with a latch substantially parallel with elongated slot at the outer wall of this plectrum; Described vehicle folding pull-handle one end is hinged on the vehicle folding pull-handle base, offers a locking hole that cooperates with latch on the vehicle folding spare lock at the middle part of vehicle folding pull-handle; Described vehicle folding spare lock pressure spring is installed in the inner chamber of vehicle folding pull-handle base, and two ends lean the plectrum inwall that stretches out respectively downwards on vehicle folding pull-handle base internal chamber wall and vehicle folding spare lock; One end of described driven coiling steel wire pass the vehicle folding pull-handle base internal chamber wall and vehicle folding pull-handle affixed.

2, the retracting structure of perambulator transmission traction according to claim 1; It is characterized in that: it comprises also and is installed in steel wire protection cover on the frame for baby cart that described driven coiling steel wire passes this steel wire protection cover.

3, the retracting structure of perambulator transmission traction according to claim 1; It is characterized in that: described unlocking mechanism folds grab by drawing together, fold clamping hook seat, fold stage clip forms; Describedly fold grab and fold stage clip and be nested with in folding clamping hook seat, fold clamping hook seat and be installed in the front foot pipe of vehicle frame; The described other end that folds the affixed driven coiling steel wire of grab.