CN202144285U

CN202144285U - Four-wheel bassinet

Info

Publication number: CN202144285U
Application number: CN201120269474U
Authority: CN
Inventors: 汉尼希·德特勒夫
Original assignee: YIREN HANDICRAFT (NINGBO) CO Ltd
Current assignee: YIREN HANDICRAFT (NINGBO) CO Ltd
Priority date: 2011-07-22
Filing date: 2011-07-22
Publication date: 2012-02-15
Anticipated expiration: 2021-07-22

Abstract

A four-wheel bassinet of which the direction is controlled by a double handed rod comprises a frame, a driving mechanism and a steering mechanism, wherein the driving mechanism and the steering mechanism are installed at the frame, the frame comprises guard bars arranged at the periphery of a seat, a seat support, an upright pillar and a rear axle, the seat is installed at the seat support, and the rear axle is welded below the rear guard bars of the frame through the upright pillar; the driving mechanism is a crankshaft connected between two front wheels; and the steering mechanism is formed by sequentially articulating the handed rod which is bilaterally symmetrical, a crank arm, a stirring fork and a connecting rod, the handed rod is in rotation connection with the side guard bars, the stirring fork is in rotation connection with the rear axle, and rear wheels are arranged at a bushing welded at the outer side surface of the stirring fork. According to the four-wheel bassinet, the structure is simple, the production is easy, and a child is more interested as the direction of the four-wheel bassinet is controlled by the double handed rod; the center of gravity of the bassinet body is low, the stability is good, and the guards bars at the periphery of the seat can effectively protect the child during collision so as to be safer; and the distance from pedals to the seat is changed by adjusting the front-rear position of the seat, so that the four-wheel bassinet is applicable to children of different height.

Description

The four-wheel perambulator

Technical field

The utility model relates to a kind of carriage for children, particularly a kind of four-wheel perambulator through both hands bar control direction.

Background technology

In common toy car, four-wheeled is easy to drive, good stability, receives liking of child.

Like patent No. CN200810162960.2 " a kind of baby carriage ", actuating unit connects axle drive shaft by stretcher, through chain speed change rear drive back axle; Control mechanism is that handlebar or bearing circle are delivered to through last joystick, universal coupling, the vertical pole of finishing drilling and turn to shift fork, control front-wheel change of direction.

Like patent No. CN200620109344.7 " children's body-building toy car "; The imitation of four-wheel perambulator is ridden to move and is produced power; Its driver train is made up of through the connecting rod that active joint is installed on this bent axle, the other end is installed on the riser the bent axle and the end that are movably arranged on the back vent; Two front-wheels are installed in the front fork two ends, and rear wheel is fixed on the two ends of bent axle.

These two types of baby carriage structure complicacies, part are many, and children all adopt the posture of riding, and center of gravity is higher, if bump, children fall easy tumble injury from car when riding, and are not suitable for underage child and use; In when, especially side collision taking place, not enough to children's leg protection, cause the extruding injury easily.Second kind of structure particularly, the mode of riding is had relatively high expectations to power of waist, and children also are in the stage of development, and the time of playing is long, even can cause waist muscle to sprain.

Summary of the invention

The utility model technical matters to be solved is: a kind of underage child that both had been suitable for is provided, also is fit to big-age-child's four-wheel perambulator, through both hands bar control direction, it is simple in structure, interest is strong, safety is good.

The utility model addresses the above problem the technical scheme that is adopted: a kind of four-wheel perambulator; Form by vehicle frame and the driver train and the steering hardware that are installed on the vehicle frame; The seat is installed on the seat bracket; It is characterized in that: said vehicle frame comprises preceding guardrail, side rail, back guardrail and seat bracket, column, the hind axle around enclosing in the seat, and said hind axle is welded on the back guardrail below of vehicle frame through column; Said driver train is to be connected in two bent axles between the front-wheel; Said steering hardware by symmetrical hand lever, crank arm, shift fork and connecting rod is hinged successively forms, wherein hand lever and side rail are rotationally connected, shift fork and hind axle are rotationally connected, trailing wheel is installed on the axle sleeve that is welded in the shift fork lateral surface.

Said seat can be locked through bolt along adjusting position before and after the chute on the seat bracket.

A pair of stretcher is installed on the bent axle in the said driver train.

The top of said hand lever is equipped with a gloves, anti-skidding striped is arranged to the surface of gloves.

Compared with prior art, the advantage of the utility model is:

1, simple in structure, be easy to produce, consider that children's riding speed is unsuitable too fast, so transmission system be not set in the driver train that the rotating speed through the bent axle that slows down directly slows down, and also need not brake gear, so cost is lower.

2, adopted the seat layout of similar kart, the center of gravity of children and car body is very low, and therefore stability is better, also can not turn on one's side even bump.

3, adopted f-w-d, trailing wheel to control the layout of direction, the hand lever of symmetry is adopted in direction control, compares the mode of common four-wheel perambulator back-wheel drive, and controls direction through handle or bearing circle, and both hands bar control direction more is prone to make children interested.

4, the guardrail protection is all arranged around the seat, when bumping, can prevent children's tumble injury or damage, safety is good.

5, the front and back position through the adjustment seat changes the spacing of pedal to the seat, and the children even the adult that can be suitable for different heights use.

6, adopt pedal to produce the mode of power, meet the active active nature of children, advance, fall back at perambulator and the process of cut-through in, for control direction and speed, all need the cooperation of children to eye, hand, pin, tempered child's the reaction and the coordination ability.

Description of drawings

The block diagram of Fig. 1, the utility model (no stretcher)

The upward view of Fig. 2, the utility model (stretcher is arranged)

The block diagram of Fig. 3, vehicle frame

The block diagram of Fig. 4, shift fork part

Fig. 5 a, steering hardware birds-eye view (craspedodrome state)

Fig. 5 b, steering hardware birds-eye view (right-hand rotation state)

Fig. 5 c, steering hardware birds-eye view (left-hand rotation state)

The specific embodiment

Use later-model embodiment to further describe below in conjunction with accompanying drawing to this.

Like Fig. 1, shown in Figure 2, the four-wheel perambulator is made up of vehicle frame 1, driver train 2, steering hardware 3, seat 4 and wheel 5.

As shown in Figure 3; Preceding guardrail 11 in the vehicle frame 1, side rail 12, back guardrail 14 provide protection for the user; Back guardrail is welded with seat bracket 13 and column 16 for 14 times; Seat bracket 13 is gained in strength with reinforced rib with the both sides of guardrail junction, back, and seat bracket is formed by two tube bendings, forms a chute 131 between two steel pipes.Seat 4 is installed on the seat bracket 13, and can lock through bolt along the 131 front and back adjusting positions of the chute on the seat bracket.Hind axle 15 is welded on the lower end of column 16.

Driver train 2 is made up of bent axle between the front-wheel 51 21 and the stretcher 22 on the bent axle.

Steering hardware 3 by symmetrical hand lever 32, crank arm 33, shift fork 34 and the connecting rod 35 that is connected between the shift fork 34 form.

The top of hand lever 32 is equipped with a gloves 31, anti-skidding striped is arranged to the surface of gloves; The middle part of hand lever is rotationally connected through rotating shaft 121 and side rail 12 on the vehicle frame, and the bottom of hand lever is hinged with 33 the end of cranking arm.Cranking arm is the zigzag structure, extension 341 hinge joints at the crank arm other end and shift fork 34 tops.

As shown in Figure 4, the centre portion 342 of shift fork 34 and the rotating shaft 151 at hind axle 15 two ends are rotationally connected, and are welded with axle sleeve 343 on the lateral wall of shift fork, and trailing wheel 52 is rotationally connected with axle sleeve 343.The two ends of connecting rod 35 are hinged with the extension 344 of two shift fork bottoms respectively.

Can find out that from Fig. 5 b the extension 344 and the hind axle 15 of connecting rod 35, shift fork bottom are formed a parallelogram sturcutre, the axle sleeve 343 of trailing wheel is perpendicular to the extension 344 of shift fork bottom.

During use, according to children's height and leg length with seat adjustment to suitable position.Children two hold a gloves 3-1, scrunch pedal 22 and make four-wheeled advance, retreat.

Shown in Fig. 5 a, during craspedodrome, both hands keep hand lever vertically to get final product.

Shown in Fig. 5 b, right-hand turning to the time, the hand lever of left hand pulls back, the hand lever of the right hand pushes away forward.The hand lever on left side bottom drives to crank arm and 33 moves forward, and the pulling shift fork rotates counterclockwise, and the trailing wheel 52 that is connected on the shift fork also rotates counterclockwise, move to the left when trailing wheel moves ahead, four-wheeled be center of circle right-hand turning with the front-wheel to.

Rotate synchronously when two shift forks 34 turned to about connecting rod 35 had guaranteed, prevent the wheel sideslip.

Shown in Fig. 4 c, turn round to the time, the hand lever of left hand pushes away forward, the hand lever of the right hand pulls back, and trailing wheel is clockwise rotated, move to the right when trailing wheel moves ahead, four-wheeled be center of circle left-handed turning with the front-wheel to.

The utility model pattern is novel, and is interesting strong, safe in utilization, is suitable for children and uses.In the process of recreation, tempered the coordination ability of child's eye trick, be particularly suitable for the kindergarten and organize child to perform physical exercise and compete.

Claims

1. four-wheel perambulator; Form by vehicle frame (1) and the driver train (2) and the steering hardware (3) that are installed on the vehicle frame; Seat (4) is installed on the seat bracket; It is characterized in that: said vehicle frame (1) comprises preceding guardrail (11), side rail (12), back guardrail (14) and seat bracket (13), column (16), the hind axle (15) around enclosing in the seat, and said hind axle is welded on the back guardrail below of vehicle frame through column; Said driver train is for being connected in the bent axle (21) between two front-wheels (51); Said steering hardware (3) is by symmetrical hand lever (32), crank arm (33), shift fork (34) and connecting rod (35) is hinged successively forms; Wherein hand lever (32) is rotationally connected through rotating shaft (121) with side rail (12); Shift fork (32) and hind axle (15) are rotationally connected through rotating shaft (151), and trailing wheel (52) is installed on the axle sleeve (343) that is welded in shift fork (34) lateral surface.

2. four-wheel perambulator according to claim 1, it is characterized in that said seat (4) can be before and after the chute (131) on the seat bracket (13) adjusting position, lock through bolt.

3. four-wheel perambulator according to claim 1 is characterized in that on the bent axle (21) in the said driver train (2) a pair of stretcher (22) being installed.

4. four-wheel perambulator according to claim 1 is characterized in that the top of said hand lever (32) is equipped with a gloves (31), anti-skidding striped is arranged to the surface of gloves.