CN109278921A

CN109278921A - An adjustable pneumatic suspension structure of an intelligent electric baby carriage

Info

Publication number: CN109278921A
Application number: CN201811247123.XA
Authority: CN
Inventors: 郑弋俊
Original assignee: Jiangmen Yu Technology Co Ltd
Current assignee: Jiangmen Yu Technology Co Ltd
Priority date: 2018-10-25
Filing date: 2018-10-25
Publication date: 2019-01-29
Anticipated expiration: 2038-10-25
Also published as: CN109278921B

Abstract

The invention discloses an adjustable air pressure suspension structure of an intelligent electric baby carriage, comprising a chassis, an air compressor is installed on a fixed block fixedly connected on the chassis, a cylinder and a sliding cavity are opened inside the fixed block, and the interior of the sliding cavity is A piston is slidably connected through the guide rod, and connecting grooves are formed on both inner walls of the sliding cavity, and the top and bottom of one connecting groove are provided with air inlet holes, and the top and bottom of the other connecting groove are provided with air outlet holes. There are sealing blocks at the air hole and the air outlet. The device uses the air compressor to compress the air into the air cavity, and uses the air to flexibly raise and lower the chassis, so as to ensure that the electric stroller can adapt to the smooth and uneven road sections and improve the performance of the electric stroller. The child's driving interest has exercised the child's hand and foot coordination ability, so that the child can operate the device simply and conveniently and feel very comfortable when using the device.

Description

A kind of adjustable air pressure suspended structure of intelligent electric perambulator

Technical field

The present invention relates to electric vehicle engineering field, knot is hung in the adjustable air pressure of specially a kind of intelligent electric perambulator Structure.

Background technique

Electric children vehicle is a kind of a kind of tool car played for children, it can bring certain to the intellectual development of children Benefit can not only temper the hand and foot coordination skill of child, but also can increase child's brain development, existing electronic child Vehicle is most of all to be driven using 4 wheel driven, but the height on chassis is fixed mostly, but child is driving general electronic child Che Shihui is travelled on different roads, and in the road driving of out-of-flatness, the lower vehicle in some chassis can not carry out well Traveling, cause vehicle pause or generate it is biggish jolt, cause the interest of child to reduce, so that child can not be allowed to feel traveling Comfortable and enjoyment, and the higher electric children vehicle in chassis, when playing for child, chassis higher drag is also big, finally results in automobile Child is unable to satisfy for the demand of driving, therefore we provide a kind of adjustable air pressure of intelligent electric perambulator suspensions to tie Structure.

Summary of the invention

It is above-mentioned to solve the purpose of the present invention is to provide a kind of adjustable air pressure suspended structure of intelligent electric perambulator The problem of being proposed in background technique.

To achieve the above object, the invention provides the following technical scheme: a kind of adjustable air pressure of intelligent electric perambulator Suspended structure, including chassis are fixedly connected with fixed block on the chassis, and the two sides of the fixed block slidably connect cunning Block, two sliding blocks are fixedly connected with rocking bar far from one end of fixed block, and damper is rotatably connected in the middle part of the rocking bar, described Rocking bar is rotatably connected to upper swing arm far from one end of sliding block, and upper swing arm is L-shaped, bottom end in the damper top and upper swing arm It is fixedly connected, the lower end of the upper swing arm is connected with wheel shaft, and the upper surface of multiple upper swing arms is supported by compartment, the compartment Bottom is fixed with connecting rod, and the lower end of the connecting rod is fixedly connected with frame, and two strut lower ends of the frame are fixed respectively It is connected on two sliding blocks；

The top side of the fixed block is fixedly installed with air compressor, the gas transmission axis of the air compressor be opened in Cylinder inside fixed block is connected, the inside of the fixed block and be located at cylinder side be provided with sliding cavity, the sliding cavity Inside be equipped with multiple guide rods, slidably connect piston on multiple guide rods, the two sides up and down of the piston and be located at guiding Be socketed with second spring on the side wall of bar, be fixedly connected with sliding bar at the upper end center of the piston, the sliding bar it is upper End runs through the side wall of sliding cavity and extends to outside fixed block and be fixedly connected in the lower wall of frame；

The two sides inner wall of the sliding cavity is provided with link slot, and is equipped with air inlet at the top and bottom of a link slot Hole, and sliding cavity is connected to by air inlet with cylinder, and venthole, and venthole are equipped at the top and bottom of another link slot Place is equipped with check valve, and the inside of two link slots slidably connects pedestal, at the air inlet and venthole and is located at pedestal It is equipped with sealing block, and sealing block is divided into upper, middle and lower-ranking, the upper layer positioned at the sealing block of upper end is provided with through-hole, is located at lower end The lower layer of sealing block be provided with through-hole, the lower end of two pedestals run through the side wall of link slot and extend to fixed block outside and It is rotatably connected on the both ends of interlocking lever, the bottom that the interlocking lever is rotatably connected on fixed block by sticking up block, the gearing respectively The either end of bar and the output shaft of solenoid valve are rotatablely connected, and the solenoid valve is fixedly connected on the side wall of fixed block.

Preferably, one end of the sliding block is fixedly connected with one end of T-block, the T-block be arranged in T-slot and with T-slot is slidably connected, and the T-slot is arranged in fixed block two sides.

Preferably, the top of the damper is socketed with the first spring.

Preferably, the inside of the check valve is connected with card ball by third spring slide.

Preferably, rubber ring is sealed at the sliding of the sliding bar and fixed block.

Preferably, the model 8300D58 of the solenoid valve.

Compared with prior art, the beneficial effects of the present invention are: the present invention is by being compressed air using air compressor In inlet casing, after solenoid valve forward direction is opened, the gas of cylinder interior is entered the inside of sliding cavity by upper end air inlet, in this way can be with Make piston in the inside slide downward of sliding cavity, such fixed block will rise with chassis, so that chassis is raised, in this state Under, which meets in the road driving of out-of-flatness, improves the passing through rate of road of the device, it is therefore prevented that vehicle paused shows As occurring, and the gas inside sliding cavity can play good damping effect, so as to avoid larger top is generated when driving It winnows with a dustpan phenomenon, is conducive to the comfortable and enjoyment for allowing child to feel traveling, after solenoid valve is reversely opened, cylinder interior in this way Gas is entered the inside of sliding cavity by lower end air inlet, can make piston in the inside upward sliding of sliding cavity in this way, solid in this way Determining block will decline with chassis, can guarantee electric children vehicle in this way in the stability of smooth sections of road, to improve child The driving interest of son.

Detailed description of the invention

Fig. 1 is the structural diagram of the present invention；

Fig. 2 is the structural schematic diagram at rocking bar of the invention, upper swing arm and damper；

Fig. 3 is the structural schematic diagram at rocking bar of the invention, fixed block and sliding block；

Fig. 4 is the explosive view at sliding cavity of the invention, piston and guide rod；

Fig. 5 is the cross-sectional view at fixed block of the invention；

Fig. 6 is enlarged drawing at the A of Fig. 5 of the invention；

Fig. 7 is the structural schematic diagram at interlocking lever of the invention, pedestal and sealing block；

Fig. 8 is T-block of the invention, the explosive view at T-slot.

In figure: 1, chassis, 2, rocking bar, 3, upper swing arm, 4, wheel shaft, 5, damper, 6, compartment, 7, fixed block, the 8, first bullet Spring, 9, sliding block, 10, frame, 11, connecting rod, 12, air compressor, 13, cylinder, 14, sliding cavity, 15, piston, 16, guide rod, 17, second spring, 18, sliding bar, 19, air inlet, 20, venthole, 21, link slot, 22, check valve, 23, pedestal, 24, sealing Block, 25, stick up block, 26, interlocking lever, 27, solenoid valve, 28, through-hole, 29, card ball, 30, third spring, 31, T-block, 32, T-slot.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

Fig. 1-8 is please referred to, the present invention provides a kind of technical solution: a kind of adjustable air pressure suspension of intelligent electric perambulator Structure, including chassis 1 are fixedly connected with fixed block 7 on the chassis 1, and the lifting structure and principle of the front-rear position on chassis 1 are equal Identical, invention spy is described in detail with the front position on chassis 1, and the two sides of the fixed block 7 slidably connect sliding block 9, sliding block 9 slides vertically on the side wall of fixed block 7, and two sliding blocks 9 are fixedly connected with rocking bar far from one end of fixed block 7 2, the middle part of the rocking bar 2 is rotatably connected to damper 5, and the top of the damper 5 is socketed with the first spring 8, and damper 5 rises To the effect of damping, the first spring 8 forms certain buffering, so that children be made not feel when driving the perambulator that the device is housed It jolts to violent, the rocking bar 2 is rotatably connected to upper swing arm 3 far from one end of sliding block 9, and upper swing arm 3 is L-shaped, described to subtract Shake 5 top of device is fixedly connected with bottom end in upper swing arm 3, and the lower end of the upper swing arm 3 is connected with wheel shaft 4, and chassis 1 is by universal The power transmission components such as section drive the rotation of wheel shaft 4, and power transmission component and the lifting structure of the invention are independent of each other, and power The structure of output par, c has extensive special case at present, is not the technical characteristic place of the invention, therefore does not repeat them here, and multiple upper pendulum The upper surface of arm 3 is supported by compartment 6, and the bottom in the compartment 6 is fixed with connecting rod 11, and the lower end of the connecting rod 11 is fixedly connected There is frame 10, connecting rod 11 plays the role of connection compartment 6 and frame 10 can make in this way so that sliding block 9 be made to be connected with compartment 6 Two strut lower ends of the rise and fall on two sliding blocks 9 of fixed block 7, the frame 10 are respectively fixedly connected in two sliding blocks 9 On, two sliding blocks 9 are located at the two sides of fixed block 7, can make fixed block 7 that can preferably keep flat during the motion in this way Surely, to improve the stationarity of the device；

The top side of the fixed block 7 is fixedly installed with air compressor 12, the gas transmission axis of the air compressor 12 It is connected with the cylinder 13 being opened in inside fixed block 7, air compressor 12 can be to the inside filling gas of cylinder 13, to increase Air pressure inside big cylinder 13, the gas inside such cylinder 13 could proceed to the interior of sliding cavity 14 to the inside of air inlet 19 Portion, so that air pressure inside sliding cavity 14 be made to generate variation, the inside of the fixed block 7 and side for being located at cylinder 13 is provided with cunning Dynamic chamber 14, the inside of the sliding cavity 14 are equipped with multiple guide rods 16, slidably connect piston 15, piston on multiple guide rods 16 15 are divided to sliding cavity 14 for two independent sealed inner cavities, and each inner cavity is corresponding with an air inlet 19 and venthole 20, works as gas When gas inside cylinder 13 enters the inside of sliding cavity 14 from the inside of any air inlet 19, the air pressure of two inner cavities will occur Variation so as to cause the sliding of piston 15, the two sides up and down of the piston 15 and is socketed with second on the side wall of guide rod 16 Spring 17, second spring 17 has certain buffer function, so as to so that piston 15 can be slided smoothly, so just It is more steady when chassis 1 can be made down or up, sliding bar 18 is fixedly connected at the upper end center of the piston 15, it is described The upper end of sliding bar 18 runs through the side wall of sliding cavity 14 and extends to 7 outside of fixed block and be fixedly connected on the lower wall of frame 10 On, sliding bar 18 is piston 15 and frame 10 to link together, therefore piston 15 is in the internal slide of sliding cavity 14, living Plug 15 it is opposite with it is motionless when compartment 6, therefore fixed block 7 can carry out rise and fall with chassis 1 on perambulator, and guarantee makes electronic Perambulator adapts to smooth and out-of-flatness section, improves the driving interest of child；

The two sides inner wall of the sliding cavity 14 is provided with link slot 21, and the top and bottom of a link slot 21 are equipped with Air inlet 19, and sliding cavity 14 is connected to by air inlet 19 with cylinder 13, two air inlets 19 by cylinder 13 and cannot be slided simultaneously Dynamic chamber 14 is connected to, and when any air inlet 19 is opened, the compressed gas inside cylinder 13 can enter sliding cavity 14 from the air inlet 19 Inside, the inner cavity that such sliding cavity 14 is located at 15 two sides of piston just will form different air pressures, so that piston 15 be made to slide The internal slide of chamber 14, the top and bottom of another link slot 21 are equipped with venthole 20, and venthole 20 can make sliding cavity Gas inside 14 flows out outside it, and check valve 22 is equipped at venthole 20, and check valve 22 can allow extraneous gas will not It flows backwards into the inside of sliding cavity 14, the inside of two link slots 21 slidably connects pedestal 23, the air inlet 19 and outlet At hole 20 and it is located at pedestal 23 and is equipped with sealing block 24, and sealing block 24 divides for upper, middle and lower-ranking, the sealing block positioned at upper end 24 upper layer is provided with through-hole 28, and the lower layer positioned at the sealing block 24 of lower end is provided with through-hole 28, when solenoid valve 27 does not start, that is, connects When lever 26 is parallel with the bottom surface of fixed block 7, air inlet 19 is sealed up by a part in 24 middle layer of sealing block with venthole 20, Sliding cavity 14 will be made to form the space of a sealing in this way, when the positive starting of solenoid valve 27, interlocking lever 26 can turn clockwise Dynamic, interlocking lever 26 can push upwards the sealing block 24 at air inlet 19 at this time, at the same by the sealing block 24 at venthole 20 to Lower pulling will make 13, cylinder to be connected to by the air inlet 19 of lower end with sliding cavity 14 in this way, and sliding cavity 14 passes through upper end Venthole 20 is in communication with the outside, and in this way when air compressor 12 starts, piston 15 will slide up in the inside of sliding cavity 14 Dynamic, the principle of 15 slide downward of piston is identical as above-mentioned principle, and the side wall of link slot 21 is run through simultaneously in the lower end of two pedestals 23 It extends to the outside of fixed block 7 and is rotatably connected on the both ends of interlocking lever 26 respectively, the shaft of link slot 21 is to be rotatably connected on Inside the square groove of interlocking lever 26, pedestal 23 can be made not will receive interference when sliding up and down in this way, the interlocking lever 26 is logical It crosses and sticks up the bottom that block 25 is rotatably connected on fixed block 7, the either end of the interlocking lever 26 and the output shaft of solenoid valve 27 rotate and connect It connects, the solenoid valve 27 is fixedly connected on the side wall of fixed block 7, controls two air inlets 19 and two simultaneously by solenoid valve 27 The unlatching and closure of a venthole 20 keep the apparatus structure more compact to save cost.

Specifically, one end of the sliding block 9 is fixedly connected with one end of T-block 31, the T-block 31 is arranged in T-type It is slidably connected in slot 32 and with T-slot 32, the setting of T-slot 32 sliding in 7 two sides of fixed block, T-slot 32 has T-block 31, T-block 31 and sliding block 9 can make junction more firm in this way by being welded to connect.

Specifically, the inside of the check valve 22 slidably connects card ball 29 by third spring 30, when sliding cavity 14 When internal gas excludes outward, generated air pressure is slided using piston 15 and pushes card ball 29, to make in sliding cavity 14 The gas in portion is discharged, and when the air pressure inside sliding cavity 14 becomes smaller, third spring 30 will be such that card ball 29 inwardly pushes up, thus effectively Prevent air return into the inside of sliding cavity 14.

Specifically, being sealed with rubber ring at the sliding bar 18 and the sliding of fixed block 7, can guarantee in sliding cavity 14 The air pressure in portion will not be revealed from sliding place of sliding bar 18 and fixed block 7, just the device can be made more stable in this way.

Specifically, the model 8300D58 of the solenoid valve 27, solenoid valve 27 has the open technical side used at present Case, and its structure and principle are also not technical characteristic place of the invention, therefore do not repeat them here.

The present apparatus: being mounted on electric children vehicle by working principle first, this sample device can complete work well, When travelling the ground in out-of-flatness, by 27 reverse starting of solenoid valve, so that interlocking lever 26 is rotated counterclockwise, such air inlet 24 slide downward of sealing block at 19,24 upward sliding of sealing block at venthole 20, cylinder 13 passes through with sliding cavity 14 at this time Through-hole 28 at upside air inlet 19 is connected to, and sliding cavity 14 is in communication with the outside by the through-hole 28 at downside venthole 20, Then after connecting the power supply of air compressor 12, the air pressure of cylinder 13 just be will increase, so that the air inside cylinder 13 is suitable Upside air inlet 19 enter the inside of sliding cavity 14, make 15 slide downward of piston, the gas of 14 bottom of sliding cavity will be along The venthole 20 of lower end excludes, so that chassis 1 will increase, because being equipped with check valve 22 at venthole 20, will not generate Gas backstreaming, after when chassis, 1 height is adjusted to proper angle, solenoid valve 27 can restore to the original state, to enable perambulator on chassis 1 It persistently keeps being travelled under uniform height；With should road it is smooth when, in order to improve the comfort of driving, forward direction is opened at this time Moving electromagnetic valve 27, such piston 15 will move up, and chassis 1 will decline at this time, facilitate driving；Using gas by chassis 1 Flexible to carry out rise and fall, guarantee makes electric children vehicle adapt to smooth and out-of-flatness section, improves the driving interest of child, The hand and foot coordination skill of child is tempered.

It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims

1. An adjustable air pressure suspension structure of an intelligent electric stroller, comprising a chassis (1), characterized in that: a fixed block (7) is fixedly connected on the chassis (1), and two parts of the fixed block (7) are fixedly connected. A slider (9) is slidably connected to each side, and a rocker (2) is fixedly connected to one end of the two sliders (9) away from the fixing block (7), and a shock absorber is rotatably connected to the middle of the rocker (2). (5), an upper swing arm (3) is rotatably connected to one end of the rocker (2) away from the slider (9), and the upper swing arm (3) is L-shaped, and the top end of the shock absorber (5) is connected to the upper swing arm (3). The inner bottom end of the upper swing arm (3) is fixedly connected, the lower end of the upper swing arm (3) is connected with an axle (4), and the upper end surfaces of the plurality of upper swing arms (3) are supported with a carriage (6). A connecting rod (11) is fixedly connected to the bottom of the carriage (6), a frame (10) is fixedly connected to the lower end of the connecting rod (11), and the lower ends of the two struts of the frame (10) are respectively fixedly connected to two on the slider (9);

An air compressor (12) is fixedly installed on the top side of the fixed block (7), and an air delivery shaft of the air compressor (12) is communicated with a cylinder (13) opened inside the fixed block (7), A sliding cavity (14) is opened inside the fixed block (7) and located on one side of the cylinder (13), and a plurality of guide rods (16) are arranged inside the sliding cavity (14), and a plurality of guide rods ( 16) A piston (15) is slidably connected to the upper and lower sides of the piston (15), a second spring (17) is sleeved on the upper and lower sides of the piston (15) and located on the side wall of the guide rod (16), and the upper end of the piston (15) is sleeved with a second spring (17). A sliding rod (18) is fixedly connected at the center, and the upper end of the sliding rod (18) penetrates the side wall of the sliding cavity (14) and extends to the outside of the fixing block (7) and is fixedly connected to the lower side wall of the frame (10). superior;

Both inner walls of the sliding cavity (14) are provided with connecting grooves (21), and the top and the bottom of one connecting groove (21) are provided with air inlet holes (19), and the sliding cavity (14) passes through the air intake. The hole (19) is communicated with the cylinder (13), the top and the bottom of the other connecting groove (21) are provided with an air outlet (20), and the air outlet (20) is provided with a one-way valve (22), and the two are connected A connecting column (23) is slidably connected to the inside of the groove (21), and a sealing block (24) is provided at the air inlet hole (19) and the air outlet hole (20) and located on the connecting column (23), and the sealing block (24) is divided into upper, middle and lower layers, the upper layer of the sealing block (24) at the upper end is provided with a through hole (28), and the lower layer of the sealing block (24) at the lower end is provided with a through hole (28), and the two The lower ends of the connecting posts (23) all penetrate the side walls of the connecting grooves (21) and extend to the outside of the fixing block (7), and are respectively rotatably connected to both ends of the interlocking rods (26), the interlocking rods (26). ) is rotatably connected to the bottom of the fixed block (7) through the tilting block (25), either end of the linkage rod (26) is rotatably connected to the output shaft of the solenoid valve (27), and the solenoid valve (27) is fixedly connected on the side wall of the fixed block (7).

2. The adjustable air pressure suspension structure of an intelligent electric stroller according to claim 1, characterized in that: one end of the slider (9) is fixedly connected to one end of the T-block (31), and the T The mold block (31) is arranged in the T-shaped groove (32) and is slidably connected with the T-shaped groove (32), and the T-shaped groove (32) is arranged on both sides of the fixing block (7).

3 . The adjustable pneumatic suspension structure of an intelligent electric baby carriage according to claim 1 , wherein a first spring ( 8 ) is sleeved on the top of the shock absorber ( 5 ). 4 .

4. The adjustable pneumatic suspension structure of an intelligent electric stroller according to claim 1, wherein the one-way valve (22) is slidably connected with a clamping ball (29) through a third spring (30). ).

5 . The adjustable air pressure suspension structure of an intelligent electric baby carriage according to claim 1 , wherein a rubber ring is sealed at the sliding position between the sliding rod ( 18 ) and the fixing block ( 7 ). 6 .

6 . The adjustable pneumatic suspension structure of an intelligent electric baby carriage according to claim 1 , wherein the solenoid valve ( 27 ) has a model of 8300D58. 7 .