阅读说明：本技术 一种儿童滑板车 (Children's scooter ) 是由 董瑞成 于 2019-10-09 设计创作，主要内容包括：本发明公开了一种儿童滑板车,包括：手扶杆、前叉、连接杆、油缸以及踏板,所述前叉设置在手扶杆内,所述油缸包括活塞杆以及活塞,所述活塞杆铰接在前叉上,活塞上设置通孔,所述通孔内设置有单向阀,有杆腔和无杆腔分别设置与其连通的进油口和出油口,所述进油口和出油口间通过油管连接。本发明的儿童滑板车在下坡状态时,通过将手扶杆向后拉,使其绕连接杆铰接点转动,前叉从手扶杆内伸出,同时油缸被拉长,并利用油缸的单向伸长作用起到对踏板的支撑,在上述效果下,踏板的一端上翘,减小了踏板与水平面间夹角,再加上手扶杆后移,因而人身体相对直立站立,重心更稳,不易前倾,提高在滑板车下坡时的稳定性。(The invention discloses a child scooter, comprising: the hydraulic oil cylinder comprises a handrail rod, a front fork, a connecting rod, an oil cylinder and a pedal, wherein the front fork is arranged in the handrail rod, the oil cylinder comprises a piston rod and a piston, the piston rod is hinged to the front fork, a through hole is formed in the piston, a one-way valve is arranged in the through hole, a rod cavity and a rodless cavity are respectively provided with an oil inlet and an oil outlet which are communicated with the rod cavity and the rodless cavity, and the oil inlet and the oil outlet are connected through an oil pipe. When the child scooter is in a downhill state, the hand rod is pulled backwards to rotate around the hinge point of the connecting rod, the front fork extends out of the hand rod, the oil cylinder is lengthened, and the pedal is supported by the aid of the one-way extension effect of the oil cylinder.)

1. A child's scooter, comprising: handrail pole (1), front fork (2), connecting rod (4), hydro-cylinder (5) and footboard (6), its characterized in that: the front fork (2) is arranged in the hand rod (1), a pressure spring (11) connected with the end of the front fork (2) is arranged in the hand rod (1), one end of a connecting rod (4) is welded and fixed on the pedal (6), the other end of the connecting rod is hinged with the hand rod (1), the oil cylinder (5) comprises a piston rod (53) and a piston (54), the piston rod (53) is hinged on the front fork (2), the oil cylinder (5) is rotatably arranged on one side of the pedal (6), the piston (54) is fixedly arranged at the end part of the piston rod (53), a through hole is formed in the piston (54), a one-way valve (55) is arranged in the through hole, the communication direction of the one-way valve (55) is that a rod cavity of the oil cylinder is communicated with a rodless cavity of the oil cylinder, the rod cavity and the rodless cavity are respectively provided with an oil inlet (51) and an oil outlet (52) which are communicated with the rod cavity, and the oil, a control valve (9) is arranged on the oil pipe (10);

Footboard (6) bottom sets up slidable slide rail (7), be connected with second extension spring (61) between the end of slide rail (7) and footboard (6), rear wheel (8) are installed to another end of slide rail (7).

2. The child scooter of claim 1, wherein: the through holes in the piston (54) are arranged in a plurality in a circumferential array.

3. The child scooter of claim 1, wherein: the oil pipe is characterized in that a channel communicated with the oil pipe (10) is arranged in the control valve (9), the cross section of the channel is circular, a valve column (91) which is perpendicular to the channel and can move up and down is arranged in the control valve (9), the valve column (91) is cylindrical, and the diameter of the valve column is larger than that of the channel.

4. The child scooter of claim 3, wherein: and the valve column (91) is connected with a brake cable (3).

5. The child scooter of claim 4, wherein: the end of the valve column (91) is connected with a first tension spring (92).

6. The child scooter of claim 1, wherein: and the sliding rail (7) and the pedal (6) are provided with opposite first limiting blocks (71).

7. The child scooter of claim 1, wherein: and the connecting rod (4) and the handrail (1) are provided with corresponding second limiting blocks (12).

Technical Field

The invention relates to the technical field of safety of baby carriers, in particular to a child scooter capable of lifting a pedal to enable the angle of the pedal to be relatively horizontal when the child descends a slope.

Background

The scooter is a toy for children. Children often ride the scooter and can temper the flexibility of health, improve reaction rate, increase the amount of exercise, strengthen organism resistance.

although having a great deal of advantages, children's scooter's security receives people's attention all the time, and children are not enough in the aspect of control ability, reaction capability etc, the incident appears when often taking place the scooter and playing, and be changeing when meeting with the circumstances such as downhill path such as accessible stair before the unit building and take place the accident, this is because the speed is very fast when the downhill path, uncontrollable, children's health leans forward together with the scooter when the downhill path simultaneously, whole focus moves forward, if emergency brake or meet with the circumstances such as barrier then take place the accident of toppling over forward easily this moment, in case take place then must lead to the fact more serious health injury to children.

Disclosure of Invention

The present invention is directed to a scooter for children, which solves the above problems.

In order to achieve the purpose, the invention provides the following technical scheme:

A child's scooter, comprising: the hydraulic lifting device comprises a handrail, a front fork, a connecting rod, an oil cylinder and a pedal, wherein the front fork is arranged in the handrail, a pressure spring connected with the end head of the front fork is arranged in the handrail, one end of the connecting rod is welded and fixed on the pedal, the other end of the connecting rod is hinged with the handrail, the oil cylinder comprises a piston rod and a piston, the piston rod is hinged on the front fork, the oil cylinder is rotatably arranged on one side of the pedal, the piston is fixedly arranged at the end part of the piston rod, a through hole is formed in the piston, a one-way valve is arranged in the through hole, the communication direction of the one-way valve is that a rod cavity of the oil cylinder is communicated with a rodless cavity of the oil cylinder, the rod cavity and the rodless cavity are respectively provided with an oil inlet;

The footboard bottom sets up slidable slide rail, be connected with the second extension spring between the end of slide rail and footboard, another end installation rear wheel of slide rail.

As a further scheme of the invention: the through holes on the piston are arranged in a plurality in a circumferential array.

As a further scheme of the invention: the control valve is characterized in that a channel communicated with the oil pipe is arranged in the control valve, the cross section of the channel is circular, a valve column which is perpendicular to the channel and can move up and down is arranged in the control valve, the valve column is cylindrical, and the diameter of the valve column is larger than that of the channel.

As a further scheme of the invention: and the valve post is connected with a brake cable.

As a further scheme of the invention: the end of the valve column is connected with a first tension spring.

As a further scheme of the invention: and the sliding rail and the pedal are respectively provided with a first limiting block.

As a further scheme of the invention: and the connecting rod and the handrail rod are provided with corresponding second limiting blocks.

Compared with the prior art, the invention has the beneficial effects that: when the child scooter is in a downhill state, the hand rod is pulled backwards to rotate around the hinge point of the connecting rod, the front fork extends out of the hand rod, the oil cylinder is lengthened, and the pedal is supported by the aid of the one-way extension effect of the oil cylinder.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the oil cylinder in the invention.

fig. 3 is a schematic view of the present invention in a state where the handrail is pulled backward.

Fig. 4 is an enlarged schematic view of a portion a in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, in an embodiment of the invention, a child scooter includes: the front fork 2 is arranged in the handrail 1 and can extend and retract along the axial direction of the handrail 1, a pressure spring 11 connected with the end of the front fork 2 is arranged in the handrail 1, one end of the connecting rod 4 is welded and fixed on the pedal 6, the other end of the connecting rod is hinged with the handrail 1, the oil cylinder 5 comprises a piston rod 53 and a piston 54, the piston rod 53 is hinged on the front fork 2, the oil cylinder 5 is rotatably arranged on one side of the pedal 6, the piston 54 is fixedly arranged at the end part of the piston rod 53, a plurality of through holes are circumferentially arranged on the piston 54, a one-way valve 55 is arranged in each through hole, the one-way valve 55 is communicated with the rod cavity of the oil cylinder to be communicated with the rodless cavity of the oil cylinder, the rod cavity and the rodless cavity are respectively provided with an oil inlet 51 and an oil outlet 52 which are communicated with the rod cavity and the rodless cavity, and the oil inlet 51 and the, the oil pipe 10 is provided with a control valve 9, a channel communicated with the oil pipe 10 is arranged in the control valve 9, the cross section of the channel is circular, a valve post 91 which is perpendicular to the channel and can move up and down is arranged in the control valve 9, the valve post 91 is cylindrical, the diameter of the valve post is not less than that of the channel, and therefore the channel can be blocked.

When encountering a downhill, the state of the common scooter is shown in figure 1, the handrail 1 is nearly vertical relative to the slope, the supporting force borne by the front fork 2 is larger, the pedal 6 is nearly parallel to the slope, at the moment, the body of a person stepping on the pedal 6 is necessarily forward inclined, as shown in figure 3, at the moment, the handrail 1 is pulled backwards to rotate around the hinge point of the connecting rod 4, the force of the slope acting on the front wheel or the front fork 2 is changed into the component force of the supporting force to be reduced, the front fork 2 extends out of the handrail 1 under the action of the pressure spring 11, the oil cylinder 5 is elongated, medium oil enters a rodless cavity from a rod cavity through the one-way valve 55 in the elongation process, at the moment, because the passage of the control valve 9 is closed, the oil cylinder 5 has a one-way elongation effect, and the piston rod 53 extends outwards but cannot be shortened after being elongated, at the moment, the oil cylinder 5 plays a supporting role on the pedal 6, under the above effects, one end of the pedal 6 is upwarped, so that the included angle between the pedal 6 and the horizontal plane is reduced, and the handrail 1 moves backwards, so that the body of a person stands upright relatively, and the center of gravity is more stable; the compression spring 11 also plays a role of damping the front fork 2 at ordinary times.

the brake cable 3 is connected to the valve post 91, similar to a brake mechanism of a bicycle, a handle for controlling the brake cable 3 is arranged on a handlebar of the hand-held rod 1, the valve post 91 can be pulled out by pinching down the handle, so that the channels are communicated, the rod cavity and the rodless cavity of the oil cylinder 5 are communicated through the oil pipe 10, the piston rod 53 can move in the reverse direction, and the hand-held rod 1 can be pushed to return to the original position.

The end of the spool 91 is connected with a first tension spring 92 for returning the spool 91 after the handle is released and keeping the passage in a normally closed state.

The bottom of footboard 6 sets up slidable slide rail 7, be connected with second extension spring 61 between the end of slide rail 7 and footboard 6, rear wheel 8 is installed to another end of slide rail 7, the brake mechanism of the scooter that has brake function usually all sets up in rear wheel 8, if meet with emergency and when emergency brake when the downhill path, if rear wheel 8 locks the speed of adding faster, take place to skid wantonly and empty, and install rear wheel 8 on slide rail 7, when the brake, footboard 6 receives inertial action speed to be greater than slide rail 7, therefore 7 antedisplacement certain distances of relative slide rail, make first extension spring 61 elongated, therefore utilize the effect of second extension spring 61 to carry out certain buffering with footboard 6's inertia, can play the stable effect to the automobile body when emergency brake.

As shown in fig. 4, the slide rail 7 and the pedal 6 are provided with a first limiting block 71, which acts as a limiting function for the slide rail 7, and controls the slidable distance of the slide rail 7 within the limiting block range.

The connecting rod 4 and the handrail 1 are provided with corresponding second limiting blocks 12, so that the rotation angle of the handrail 1 around the connecting rod 4 can be limited within the range of the limiting blocks 12.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.