CN109278921B

CN109278921B - Adjustable pneumatic suspension structure of intelligent electric baby carrier

Info

Publication number: CN109278921B
Application number: CN201811247123.XA
Authority: CN
Inventors: 郑弋俊
Original assignee: Jiangmen Yudu Technology Co ltd
Current assignee: Jiangmen Yudu Technology Co ltd
Priority date: 2018-10-25
Filing date: 2018-10-25
Publication date: 2020-06-30
Anticipated expiration: 2038-10-25
Also published as: CN109278921A

Abstract

The invention discloses an adjustable air pressure suspension structure of an intelligent electric baby carrier, which comprises a chassis, wherein an air compressor is arranged on a fixed block fixedly connected on the chassis, and the inside of the fixed block is provided with a cylinder and a sliding cavity, the inside of the sliding cavity is connected with a piston in a sliding way through a guide rod, the inner walls of the two sides of the sliding cavity are both provided with connecting grooves, and the top and the bottom of a spread groove all are equipped with the inlet port, the top and the bottom of another spread groove all are equipped with the venthole, inlet port and venthole department are equipped with sealed piece, this device is through utilizing air compressor with air compression income air cavity, utilize gas with the nimble decline that rises of chassis, guarantee to make electronic bassinet adapt to the highway section of level and unevenness, child's driving interest has been improved, child's hand and foot coordination ability has been tempered, make child when using this device, easy operation is convenient, it is very comfortable to feel.

Description

Adjustable pneumatic suspension structure of intelligent electric baby carrier

Technical Field

The invention relates to the technical field of electric automobiles, in particular to an adjustable pneumatic suspension structure of an intelligent electric baby carrier.

Background

The electric baby carriage is a tool vehicle for children to play, brings certain benefits to the intelligence development of the children, can not only exercise the hand and foot coordination ability of the children, but also can increase the mental development of children, most of the existing electric children's vehicles adopt four-wheel drive, however, the height of the chassis is mostly fixed, but the child can drive on different roads when driving a general electric child, when the vehicle runs on an uneven road, some vehicles with lower chassis can not run well, resulting in vehicle stop or larger jolt, which reduces the interest of children, so that the children can not feel comfortable and fun to drive, and when the electric baby carrier with the higher chassis is used for the children to play, the chassis is high in resistance and large in resistance, and finally the automobile cannot meet the driving requirements of children, so that the adjustable pneumatic suspension structure of the intelligent electric baby carrier is provided.

Disclosure of Invention

The invention aims to provide an adjustable pneumatic suspension structure of an intelligent electric baby carrier, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an adjustable air pressure suspension structure of an intelligent electric baby carrier comprises a chassis, wherein a fixed block is fixedly connected to the chassis, sliding blocks are connected to two sides of the fixed block in a sliding mode, one ends, far away from the fixed block, of the two sliding blocks are fixedly connected with rockers, the middle parts of the rockers are rotatably connected with a shock absorber, one ends, far away from the sliding blocks, of the rockers are rotatably connected with upper swing arms, the upper swing arms are L-shaped, the top ends of the shock absorbers are fixedly connected with the inner bottom ends of the upper swing arms, the lower ends of the upper swing arms are connected with wheel shafts, carriage bodies are supported on the upper end faces of the upper swing arms, a connecting rod is fixedly connected to the bottom of each carriage body, a frame is;

an air compressor is fixedly mounted on one side of the top end of the fixed block, an air delivery shaft of the air compressor is communicated with an air cylinder arranged inside the fixed block, a sliding cavity is formed in the fixed block and located on one side of the air cylinder, a plurality of guide rods are arranged inside the sliding cavity, pistons are connected onto the guide rods in a sliding mode, second springs are sleeved on the upper side and the lower side of each piston and located on the side walls of the guide rods, a sliding rod is fixedly connected to the center of the upper end of each piston, and the upper end of each sliding rod penetrates through the side wall of the sliding cavity, extends to the outside of the fixed block and is fixedly connected onto the lower side wall of the frame;

the inner walls of the two sides of the sliding cavity are both provided with a connecting groove, the top and the bottom of one connecting groove are both provided with an air inlet hole, the sliding cavity is communicated with the cylinder through an air inlet hole, the top and the bottom of the other connecting groove are both provided with air outlet holes, and the air outlet is provided with a one-way valve, the insides of the two connecting grooves are both connected with a connecting column in a sliding way, the air inlet and the air outlet are positioned at the connecting column and are provided with sealing blocks, the sealing block is divided into an upper layer, a middle layer and a lower layer, the upper layer of the sealing block at the upper end is provided with a through hole, the lower layer of the sealing block at the lower end is provided with a through hole, the lower ends of the two connecting columns penetrate through the side wall of the connecting groove and extend to the outside of the fixing block and are respectively and rotatably connected with the two ends of the connecting rod, the linkage rod is rotatably connected to the bottom of the fixing block through the tilting block, any end of the linkage rod is rotatably connected with an output shaft of the electromagnetic valve, and the electromagnetic valve is fixedly connected to the side wall of the fixing block.

Preferably, one end of the sliding block is fixedly connected with one end of the T-shaped block, the T-shaped block is arranged in the T-shaped groove and is in sliding connection with the T-shaped groove, and the T-shaped groove is formed in two sides of the fixing block.

Preferably, the top end of the shock absorber is sleeved with a first spring.

Preferably, a ball is slidably connected to the inside of the check valve through a third spring.

Preferably, a rubber ring is sealed at the sliding position of the sliding rod and the fixed block.

Preferably, the model number of the electromagnetic valve is 8300D 58.

Compared with the prior art, the invention has the beneficial effects that: the air compressor is utilized to compress air into the cylinder, after the electromagnetic valve is positively opened, the air in the cylinder enters the sliding cavity from the upper end air inlet hole, so that the piston can slide downwards in the sliding cavity, the fixed block can drive the chassis to rise, and the chassis is raised, under the state, the device can improve the road passing rate of the device when running on an uneven road, prevent the vehicle from stopping, and can play a good role in damping, so that the phenomenon of large jolt is avoided when running, the device is favorable for children to feel comfortable and fun when running, after the electromagnetic valve is reversely opened, the air in the cylinder enters the sliding cavity from the lower end air inlet hole, so that the piston can slide upwards in the sliding cavity, and the fixed block can descend with the chassis, therefore, the driving stability of the electric baby carrier on the smooth road section can be ensured, and the driving interest of children is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the rocker, the upper swing arm and the shock absorber of the present invention;

FIG. 3 is a schematic structural view of the rocker, the fixed block and the sliding block of the present invention;

FIG. 4 is an exploded view of the sliding chamber, piston and guide rod of the present invention;

FIG. 5 is a cross-sectional view at the anchor of the present invention;

FIG. 6 is an enlarged view taken at A of FIG. 5 in accordance with the present invention;

FIG. 7 is a schematic structural diagram of the linkage rod, the connecting column and the sealing block of the present invention;

fig. 8 is an exploded view of the T-block and T-slot of the present invention.

In the figure: 1. the device comprises a chassis, 2, a rocker, 3, an upper swing arm, 4, a wheel shaft, 5, a shock absorber, 6, a carriage, 7, a fixed block, 8, a first spring, 9, a sliding block, 10, a frame, 11, a connecting rod, 12, an air compressor, 13, an air cylinder, 14, a sliding cavity, 15, a piston, 16, a guide rod, 17, a second spring, 18, a sliding rod, 19, an air inlet hole, 20, an air outlet hole, 21, a connecting groove, 22, a check valve, 23, a connecting column, 24, a sealing block, 25, a tilting block, 26, a linkage rod, 27, an electromagnetic valve, 28, a through hole, 29, a clamping ball, 30, a third spring, 31, a T-shaped block, 32 and a T-shaped groove.

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. 1-8, the present invention provides a technical solution: the invention relates to an adjustable pneumatic suspension structure of an intelligent electric baby carrier, which comprises a chassis 1, wherein a fixed block 7 is fixedly connected to the chassis 1, the lifting structure of the front position and the rear position of the chassis 1 is the same as the principle, the invention is characterized in that the front position of the chassis 1 is explained in detail, two sides of the fixed block 7 are respectively connected with a sliding block 9 in a sliding manner, the sliding blocks 9 vertically slide on the side wall of the fixed block 7 up and down, one ends of the two sliding blocks 9 far away from the fixed block 7 are fixedly connected with a rocker 2, the middle part of the rocker 2 is rotatably connected with a damper 5, the top end of the damper 5 is sleeved with a first spring 8, the damper 5 plays a damping role, the first spring 8 forms certain buffer, so that children cannot feel violent jolt when driving the baby carrier provided with the device, one end of the rocker 2 far away from the sliding block 9 is rotatably connected with an, the top end of the shock absorber 5 is fixedly connected with the inner bottom end of the upper swing arm 3, the lower end of the upper swing arm 3 is connected with a wheel shaft 4, the chassis 1 drives the wheel shaft 4 to rotate through a power transmission part such as a universal joint, the power transmission part is not affected with the lifting structure of the invention, the structure of a power output part is widely specified at present and is not the technical characteristic of the invention, so that the description is omitted, the upper end surfaces of a plurality of upper swing arms 3 support a carriage 6, the bottom of the carriage 6 is fixedly connected with a connecting rod 11, the lower end of the connecting rod 11 is fixedly connected with a frame 10, the connecting rod 11 plays a role of connecting the carriage 6 with the frame 10, so that the sliding blocks 9 are connected with the carriage 6, the fixing block 7 can ascend and descend on the two sliding blocks 9, the lower ends of two supporting rods of the frame 10 are fixedly connected with the two sliding blocks 9 respectively, and the two sliding blocks 9, therefore, the fixed block 7 can be kept stable better in the moving process, and the stability of the device is improved;

an air compressor 12 is fixedly installed on one side of the top end of the fixed block 7, an air delivery shaft of the air compressor 12 is communicated with an air cylinder 13 arranged inside the fixed block 7, the air compressor 12 can fill air into the air cylinder 13 so as to increase the air pressure inside the air cylinder 13, so that the air inside the air cylinder 13 can enter the inside of the sliding cavity 14 from the inside of an air inlet 19, and the air pressure inside the sliding cavity 14 changes, the sliding cavity 14 is arranged inside the fixed block 7 and positioned on one side of the air cylinder 13, a plurality of guide rods 16 are arranged inside the sliding cavity 14, a piston 15 is connected on the plurality of guide rods 16 in a sliding manner, the sliding cavity 14 is divided into two independent sealed inner cavities by the piston 15, each inner cavity is correspondingly provided with one air inlet 19 and one air outlet 20, when the air inside the air inlet 13 enters the inside of the sliding cavity 14 from the inside of any air inlet 19, the air pressure of the two inner cavities can be changed to cause the piston 15 to slide, the upper side and the lower side of the piston 15 and the side wall of the guide rod 16 are sleeved with the second spring 17, the second spring 17 has a certain buffer effect, so that the piston 15 can slide smoothly, and thus the chassis 1 can be more smoothly and stably descended or ascended, the center of the upper end of the piston 15 is fixedly connected with the sliding rod 18, the upper end of the sliding rod 18 penetrates through the side wall of the sliding cavity 14, extends to the outside of the fixed block 7 and is fixedly connected to the lower side wall of the frame 10, the sliding rod 18 connects the piston 15 and the frame 10 together, so that when the piston 15 slides in the sliding cavity 14, the piston 15 is immovable relative to the carriage 6, so that the fixed block 7 can lift and descend the chassis 1 on the baby carriage, and the electric baby carriage is ensured to adapt to a smooth and uneven road section, the driving interest of children is improved;

the inner walls of two sides of the sliding cavity 14 are respectively provided with a connecting groove 21, the top and the bottom of one connecting groove 21 are respectively provided with an air inlet 19, the sliding cavity 14 is communicated with the air cylinder 13 through the air inlet 19, the two air inlet 19 can not simultaneously communicate the air cylinder 13 with the sliding cavity 14, when any air inlet 19 is opened, compressed air in the air cylinder 13 can enter the sliding cavity 14 from the air inlet 19, so that the inner cavities of the sliding cavity 14 positioned at two sides of the piston 15 can form different air pressures, the piston 15 can slide in the sliding cavity 14, the top and the bottom of the other connecting groove 21 are respectively provided with an air outlet 20, the air outlet 20 can enable air in the sliding cavity 14 to flow out of the outer part, the air outlet 20 is provided with a one-way valve 22, the one-way valve 22 can prevent external air from flowing back into the sliding cavity 14, the connecting columns 23 are respectively connected in the two connecting grooves 21 in, the air inlet 19 and the air outlet 20 are arranged and are provided with the sealing block 24 on the connecting column 23, the sealing block 24 is divided into an upper layer, a middle layer and a lower layer, the upper layer of the sealing block 24 at the upper end is provided with a through hole 28, the lower layer of the sealing block 24 at the lower end is provided with a through hole 28, when the electromagnetic valve 27 is not started, namely the linkage rod 26 is parallel to the bottom surface of the fixed block 7, the air inlet 19 and the air outlet 20 are both sealed by a part of the middle layer of the sealing block 24, so that the sliding cavity 14 forms a sealed space, when the electromagnetic valve 27 is positively started, the linkage rod 26 rotates clockwise, at the moment, the linkage rod 26 can push the sealing block 24 at the air inlet 19 upwards and pull the sealing block 24 at the air outlet 20 downwards, so that the air cylinder 13 is communicated with the sliding cavity 14 only through the air inlet 19 at the lower end, the sliding cavity 14 is communicated with the outside through the air outlet 20 at the upper, piston 15 just can be in the inside of sliding chamber 14 upwards sliding, and the principle that piston 15 slided downwards is the same with above-mentioned principle, and the lower extreme of two even posts 23 all runs through the lateral wall of spread groove 21 and extends to the outside of fixed block 7 and rotate respectively and connect at the both ends of trace 26, and the pivot of spread groove 21 is that the square groove of rotating connection at trace 26 is inside, can make even post 23 not receive the interference when sliding from top to bottom like this, trace 26 rotates through perk 25 and connects in the bottom of fixed block 7, arbitrary end and the output shaft of solenoid valve 27 of trace 26 rotate to be connected, solenoid valve 27 fixed connection is on the lateral wall of fixed block 7, controls opening and closing of two inlet ports 19 and two ventholes 20 simultaneously through solenoid valve 27 to save the cost, make the device structure compacter.

Particularly, slider 9's one end and the one end fixed connection of T type piece 31, T type piece 31 set up in T type groove 32 and with T type groove 32 sliding connection, T type groove 32 sets up in fixed block 7 both sides, and it has T type piece 31 to slide in T type groove 32, and T type piece 31 passes through welded connection with slider 9, can make the more firm of junction like this.

Specifically, the check valve 22 is slidably connected to the ball 29 through the third spring 30, when the air in the sliding chamber 14 is exhausted, the ball 29 is pushed by the air pressure generated by the sliding of the piston 15, so as to exhaust the air in the sliding chamber 14, and when the air pressure in the sliding chamber 14 is reduced, the ball 29 is pushed inward by the third spring 30, so as to effectively prevent the air from flowing back into the sliding chamber 14.

Specifically, a rubber ring is sealed at the sliding position between the sliding rod 18 and the fixed block 7, so that the air pressure in the sliding cavity 14 can be prevented from leaking from the sliding position between the sliding rod 18 and the fixed block 7, and the device can be more stable.

Specifically, the model number of the electromagnetic valve 27 is 8300D58, and the electromagnetic valve 27 has a publicly available technical solution at present, and the structure and the principle of the electromagnetic valve are not the technical features of the present invention, so that details are not described.

The working principle is as follows: firstly, the device is arranged on an electric baby carrier, so that the device can well complete work, when the device runs on uneven ground, the electromagnetic valve 27 is reversely started, so that the linkage rod 26 rotates anticlockwise, the sealing block 24 at the air inlet hole 19 slides downwards, the sealing block 24 at the air outlet hole 20 slides upwards, the air cylinder 13 is communicated with the sliding cavity 14 through the through hole 28 at the upper air inlet hole 19, the sliding cavity 14 is communicated with the outside through the through hole 28 at the lower air outlet hole 20, then the air pressure of the air cylinder 13 is increased after the power supply of the air compressor 12 is switched on, so that the air in the air cylinder 13 enters the inside of the sliding cavity 14 along the upper air inlet hole 19, the piston 15 slides downwards, the air at the bottom of the sliding cavity 14 is discharged along the air outlet hole 20 at the lower end, the chassis 1 rises, because the one-way valve 22 is arranged at the air outlet hole 20, therefore, gas backflow cannot be generated, and after the height of the chassis 1 is adjusted to a proper angle, the electromagnetic valve 27 can be restored to the original shape, so that the baby carriage can run under the condition that the chassis 1 can continuously keep a uniform height; similarly, when the road is smooth and flat, in order to improve the driving comfort, the electromagnetic valve 27 is started positively, so that the piston 15 moves upwards, and the chassis 1 descends to facilitate driving; the chassis 1 is flexibly lifted and lowered by utilizing air, so that the electric baby carrier is ensured to adapt to smooth and uneven road sections, the driving interest of children is improved, and the hand and foot coordination capability of the children is exercised.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an adjustable atmospheric pressure suspended structure of electronic bassinet of intelligence, includes chassis (1), its characterized in that: a fixed block (7) is fixedly connected on the chassis (1), two sides of the fixed block (7) are both connected with sliding blocks (9) in a sliding way, one ends of the two sliding blocks (9) far away from the fixed block (7) are fixedly connected with rockers (2), the middle part of the rocker (2) is rotationally connected with a shock absorber (5), one end of the rocker (2) far away from the sliding block (9) is rotationally connected with an upper swing arm (3), the upper swing arm (3) is L-shaped, the top end of the shock absorber (5) is fixedly connected with the inner bottom end of the upper swing arm (3), the lower end of the upper swing arm (3) is connected with a wheel shaft (4), and the upper end surfaces of the upper swing arms (3) are supported with carriages (6), the bottom of the carriage (6) is fixedly connected with a connecting rod (11), the lower end of the connecting rod (11) is fixedly connected with a frame (10), and the lower ends of two supporting rods of the frame (10) are respectively and fixedly connected to the two sliding blocks (9);

the air compressor is fixedly mounted on one side of the top end of the fixed block (7), an air delivery shaft of the air compressor (12) is communicated with an air cylinder (13) arranged inside the fixed block (7), a sliding cavity (14) is formed in the fixed block (7) and located on one side of the air cylinder (13), a plurality of guide rods (16) are arranged inside the sliding cavity (14), pistons (15) are connected onto the guide rods (16) in a sliding mode, second springs (17) are sleeved on the upper side and the lower side of each piston (15) and located on the side wall of each guide rod (16), a sliding rod (18) is fixedly connected to the center of the upper end of each piston (15), and the upper end of each sliding rod (18) penetrates through the side wall of the sliding cavity (14), extends to the outside of the fixed block (7) and is fixedly connected onto the lower side wall of the frame (10);

the inner walls of two sides of the sliding cavity (14) are respectively provided with a connecting groove (21), the top and the bottom of one connecting groove (21) are respectively provided with an air inlet hole (19), the sliding cavity (14) is communicated with the air cylinder (13) through the air inlet holes (19), the top and the bottom of the other connecting groove (21) are respectively provided with an air outlet hole (20), the air outlet hole (20) is provided with a one-way valve (22), the insides of the two connecting grooves (21) are respectively connected with a connecting column (23) in a sliding manner, the air inlet holes (19) and the air outlet holes (20) are respectively provided with a sealing block (24) on the connecting column (23), the sealing block (24) is divided into an upper layer, a middle layer and a lower layer, the upper layer of the sealing block (24) at the upper end is provided with a through hole (28), the lower layer of the sealing block (24) at the lower end is provided with a through hole (28), the lower ends of the two connecting columns (23) respectively penetrate through the, the linkage rod (26) is rotatably connected to the bottom of the fixing block (7) through the tilting block (25), any end of the linkage rod (26) is rotatably connected with an output shaft of the electromagnetic valve (27), and the electromagnetic valve (27) is fixedly connected to the side wall of the fixing block (7).

2. The adjustable pneumatic suspension structure of an intelligent electric baby carrier according to claim 1, wherein: the one end of slider (9) and the one end fixed connection of T type piece (31), T type piece (31) set up in T type groove (32) and with T type groove (32) sliding connection, T type groove (32) set up in fixed block (7) both sides.

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

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

5. The adjustable pneumatic suspension structure of an intelligent electric baby carrier according to claim 1, wherein: and a rubber ring is sealed at the sliding position of the sliding rod (18) and the fixed block (7).

6. The adjustable pneumatic suspension structure of an intelligent electric baby carrier according to claim 1, wherein: the model number of the electromagnetic valve (27) is 8300D 58.