CN218839089U

CN218839089U - Suspension structure for chassis and motion chassis

Info

Publication number: CN218839089U
Application number: CN202222724840.5U
Authority: CN
Inventors: 柴红坡; 樊锁钟; 唐俊
Original assignee: Zhongyuan Power Intelligent Robot Co ltd
Current assignee: Zhongyuan Power Intelligent Robot Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-04-11
Anticipated expiration: 2032-10-13

Abstract

The utility model relates to a wheeled motion chassis technical field discloses a suspended structure and motion chassis for install on the frame, include: a hinged seat and an arm wheel; the hinged seat is fixedly connected with the bottom surface of the frame; the hinge seat is provided with a limiting hole; the arm wheel is hinged with the hinge seat; the arm wheel is provided with a wheel shaft which is used for being rotationally connected with the wheel; the arm wheel is provided with a limiting block, and the limiting block is positioned in the limiting hole; and the arm wheel is connected with a damping spring which is used for being abutted against the frame. The size of the limiting block is smaller than that of the limiting hole, so that the arm wheel can rotate within a certain angle range relative to the hinge base. The suspension structure has the advantages of reasonable design, simple structure, few parts, convenient maintenance, production cost reduction, and convenient popularization and promotion.

Description

Suspension structure for chassis and motion chassis

Technical Field

The utility model relates to a wheeled motion chassis technical field especially relates to a suspended structure and motion chassis for chassis.

Background

At present, with the development of technology and the improvement of living standard, more and more wheeled robots are applied to different environments, such as hotels, restaurants, hospitals, airports, machine rooms, factories, and the like; the independent suspension structure adopted by the existing motion chassis generally comprises a Macpherson type independent suspension, a cross arm type independent suspension, a trailing arm type independent suspension and a double-fork arm type independent suspension, but the structure of the existing suspension structure is complex, the number of parts is large, the maintenance cost is high, and the popularization and the promotion are not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: provides a suspension structure for a chassis with simple structure and a motion chassis.

In order to achieve the above object, the utility model provides an aspect provides a suspended structure for chassis for install on the frame, include: a hinged seat and an arm wheel;

the hinged seat is fixedly connected with the bottom surface of the frame; the hinge seat is provided with a limiting hole;

the arm wheel is hinged with the hinge seat; the arm wheel is provided with a wheel shaft which is used for being rotationally connected with the wheel; the arm wheel is provided with a limiting block, and the limiting block is positioned in the limiting hole; and the arm wheel is connected with a damping spring which is used for being abutted against the frame.

The size of the limiting block is smaller than that of the limiting hole, so that the arm wheel can rotate within a certain angle range relative to the hinge base.

The embodiment of the utility model provides a suspension structure for chassis compares with prior art, and its beneficial effect lies in: through setting up articulated seat and armwheel, the armwheel is articulated with articulated seat, is provided with spacing hole on the articulated seat, and has the stopper that stretches into in the spacing hole on the armwheel, and spacing hole is arranged in restricting the rotation of stopper, and then restricts the armwheel relatively articulated seat takes place the rotation of great angle, has avoided because the relative articulated seat of armwheel takes place great rotation and causes the unable normal use's of wheel the condition. The damping spring is arranged, so that the damping effect of the arm wheel can be effectively improved; the suspension structure has the advantages of reasonable design, simple structure, few parts, convenience in maintenance, reduction in production cost and convenience in popularization and promotion.

Furthermore, a concave cavity is formed in the arm wheel, and the damping spring is inserted into the concave cavity; one end of the damping spring is abutted to the bottom of the cavity, and the other end of the damping spring is abutted to the bottom surface of the frame. The cavity is configured to receive the damper spring and to limit movement of the damper spring.

Furthermore, clamping grooves are formed in the hinged seat, and a vibration damping pad is clamped in each clamping groove; the damping pad extends into the limiting hole and is abutted to the limiting block. The clamping groove is used for clamping the damping pad, so that the damping pad is convenient to mount and replace.

Furthermore, the number of the clamping grooves and the number of the damping pads are two, and the two clamping grooves correspond to the two damping pads one by one; the two damping pads are arranged at intervals and are positioned in the rotating plane of the limiting block; the limiting block is located between the two damping pads. Two damping pads can effectual protection stopper to the damage in spacing hole when corotation and reversal, and can also play good damping effect.

Specifically, the spacing groove is located the up end of articulated seat, and the damping pad is "L" shape, and one section joint of damping pad is in the draw-in groove, and another section stretches into spacing hole, and this design is convenient for install and change the damping pad.

Furthermore, the arm wheel is provided with a connecting plate which is fixedly connected with a water baffle of the wheel. The water baffle plate is provided with a connecting plate for facilitating subsequent installation of wheels.

Specifically, the connecting plate is a fan-shaped plate, and a bolt hole for a fixing bolt to pass through is formed in the connecting plate; so as to be matched with the shape of the water baffle, and the bolt holes are arranged to facilitate connection and bolt connection with the water baffle.

Furthermore, the arm wheel is fixedly connected with a driving motor, and the output end of the driving motor is in transmission connection with the wheel. Through set up driving motor on the arm wheel, this is rationally distributed, and the driving motor's of being convenient for output and wheel connection.

Furthermore, a through hole for a bolt to pass through is formed in the hinge seat, and a bolt used for being fixedly connected with the frame is inserted into the through hole. Adopt bolted connection, can be convenient for install and dismantle articulated seat.

On the other hand, the utility model provides a motion chassis in an aspect, include: a frame, wheels and suspension structure; the number of the suspension structures and the number of the wheels are multiple, and the multiple suspension structures are arranged on the frame at intervals; and the wheels are respectively connected to the suspension structures in a one-to-one corresponding manner. Through installing this suspended structure on the frame for the simple structure of whole motion chassis is convenient for install and dismantle.

Further, the frame has a first end and a second end; the first end and the second end are evenly distributed with a suspension structure and corresponding wheels. Suspension structures are distributed at two ends of the frame, the steering of the moving chassis can be realized by enabling wheels at the first end and the second end to generate a certain speed difference, and even the two wheels at the first end and the second end are mutually reversed to realize in-situ rotation.

Specifically, in the suspension structure in the first end, at least one arm wheel is provided with a driving motor, in the suspension structure in the second end, at least one arm wheel is provided with a driving motor, and the two driving motors rotate through differential speed to realize steering of the motion chassis even in situ steering.

Further, each wheel is an omni wheel. The adoption of the omnidirectional wheel can reduce the abrasion of the moving chassis to the wheels when the moving chassis turns and can also reduce the resistance of the wheels when the wheels turn.

Drawings

FIG. 1 is a schematic view of a suspension structure according to an embodiment of the present invention;

FIG. 2 is a schematic view of a suspension structure of a belt driving motor according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a motion chassis according to an embodiment of the present invention;

in the figure, 1, a frame; 11. a first end; 12. a second end; 2. a suspension structure; 21. a hinged seat; 22. an arm wheel; 23. a wheel; 24. a limiting hole; 25. a limiting block; 26. a vibration damping pad; 27. a card slot; 28. a concave cavity; 29. a damping spring; 3. a drive motor; 4. a connecting plate; 5. a rotating shaft.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

As shown in fig. 1, a suspension structure for a chassis according to a preferred embodiment of the present invention is configured to be mounted on a vehicle frame 1, and includes: a hinge base 21 and an arm wheel 22;

the hinged seat 21 is used for being fixedly connected with the bottom surface of the frame 1; the hinge base 21 is provided with a limiting hole 24;

the arm wheel 22 is hinged with the hinge seat 21; the arm wheel 22 has an axle 5 for rotational connection with a wheel 23; the arm wheel 22 is provided with a limiting block 25, and the limiting block 25 is positioned in the limiting hole 24; a damper spring 29 is connected to the arm wheel 22 to be in contact with the vehicle body frame 1.

The size of the limiting block 25 is smaller than that of the limiting hole 24, so that the arm wheel 22 can rotate within a certain angle range relative to the hinge base 21.

The embodiment of the utility model provides a motion chassis compares with prior art, and its beneficial effect lies in: through setting up articulated seat 21 and arm wheel 22, arm wheel 22 is articulated with articulated seat 21, is provided with spacing hole 24 on the articulated seat 21, and has the stopper 25 that stretches into in spacing hole 24 on the arm wheel 22, and spacing hole 24 is used for restricting the rotation of stopper 25, and then restricts the relative articulated seat 21 of arm wheel 22 and takes place the rotation of great angle, has avoided because the relative articulated seat 21 of arm wheel 22 takes place great rotation and causes the unable normal use condition of wheel 23. The damping spring 29 is arranged to effectively improve the damping effect of the arm wheel 22; the suspension structure has the advantages of reasonable design, simple structure, few parts, convenience in maintenance, reduction in production cost and convenience in popularization and promotion.

In one embodiment, the arm wheel 22 is provided with a cavity 28, and the damping spring 29 is inserted in the cavity 28; one end of the damper spring 29 abuts against the bottom of the cavity 28, and the other end abuts against the bottom surface of the frame 1. A cavity 28 is provided for receiving a damper spring 29 and limiting the movement of the damper spring 29.

In one embodiment, the hinge base 21 is provided with a clamping groove 27, and each clamping groove 27 is clamped with a damping pad 26; the damping pad 26 extends into the stopper hole 24 and abuts against the stopper 25. The clamping groove 27 is used for clamping the damping pad 26, so that the damping pad 26 is convenient to install and replace.

In one embodiment, the number of the clamping grooves 27 and the number of the damping pads 26 are two, and the two clamping grooves 27 and the two damping pads 26 correspond to each other one by one; the two vibration damping pads 26 are arranged at intervals and are positioned in the rotating plane of the limiting block 25; the stopper 25 is located between the two damping pads 26. The two vibration damping pads 26 can effectively protect the limiting block 25 from damaging the limiting hole 24 in forward rotation and reverse rotation, and can also play a good vibration damping role.

Specifically, the spacing groove is located the up end of articulated seat 21, and damping pad 26 is "L" shape, and one section joint of damping pad 26 is in draw-in groove 27, and another section stretches into spacing hole 24, and this design is convenient for install and change damping pad 26.

In one embodiment, the arm wheel 22 is provided with a connecting plate 4 for fixedly connecting with a water baffle of the wheel 23. The connecting plate 4 is arranged to facilitate subsequent installation of the water baffle of the wheel 23.

Specifically, the connecting plate 4 is a sector plate, and a bolt hole for a fixing bolt to pass through is formed in the connecting plate 4; so as to be matched with the shape of the water baffle, and the bolt holes are arranged to facilitate connection and bolt connection with the water baffle.

In one embodiment, the driving motor 3 is fixedly connected to the arm wheel 22, and an output end of the driving motor 3 is used for being in transmission connection with the wheel 23. By arranging the driving motor 3 on the arm wheel 22, the layout is reasonable, and the output end of the driving motor 3 is conveniently connected with the wheel 23.

In one embodiment, the hinge seat 21 is provided with a through hole for passing a bolt, and the bolt is inserted into the through hole for fixedly connecting with the frame 1. The bolt connection is adopted, so that the hinge seat 21 can be conveniently installed and detached.

On the other hand, the utility model provides a motion chassis in an aspect, include: a frame 1, wheels 23 and a suspension structure 2; the number of the suspension structures 2 and the wheels 23 is multiple, and the suspension structures 2 are arranged on the frame 1 at intervals; the wheels 23 are rotatably connected to the suspension structures 2 in a one-to-one correspondence. By installing the suspension structure 2 on the frame 1, the whole motion chassis is simple in structure and convenient to install and disassemble.

In one embodiment, the frame 1 has a first end 11 and a second end 12; the first end 11 and the second end 12 are distributed with the suspension structure 2 and the corresponding wheels 23. The suspension structures 2 are distributed at the two ends of the frame 1, the steering of the moving chassis can be realized by enabling the wheels 23 at the first end 11 and the second end 12 to generate a certain rotation speed difference, and even the two wheels 23 at the first end 11 and the second end 12 are mutually reversed to realize the pivot rotation.

Specifically, in the suspension structure 2 located in the first end 11, at least one arm wheel 22 is provided with the driving motor 3, in the suspension structure 2 located in the second end 12, at least one arm wheel 22 is provided with the driving motor 3, and the two driving motors 3 realize the steering of the motion chassis even the pivot steering through the differential rotation.

In one embodiment, each wheel 23 is an omni wheel. The adoption of the omnidirectional wheels can reduce the abrasion of the moving chassis to the wheels 23 when the moving chassis turns and can also reduce the resistance of the wheels 23 when the moving chassis turns.

To sum up, the embodiment of the utility model provides a suspension structure and motion chassis are used on chassis, it is through setting up articulated seat 21 and arm wheel 22, arm wheel 22 is articulated with articulated seat 21, be provided with spacing hole 24 on the articulated seat 21, and have the stopper 25 that stretches into in the spacing hole 24 on the arm wheel 22, spacing hole 24 is used for restricting stopper 25's rotation, and then restrict the relative articulated seat 21 of arm wheel 22 and take place the rotation of great angle, avoided because the relative articulated seat 21 of arm wheel 22 takes place great rotation and cause the unable normal use condition of wheel 23. The damping spring 29 is arranged to effectively improve the damping effect of the arm wheel 22; the suspension structure has the advantages of reasonable design, simple structure, few parts, convenience in maintenance, reduction in production cost and convenience in popularization and promotion.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be considered as the protection scope of the present invention.

Claims

1. A suspension structure for a chassis, for mounting on a vehicle frame, comprising:

the hinged seat is used for being fixedly connected with the bottom surface of the frame; the hinge seat is provided with a limiting hole;

the arm wheel is hinged with the hinge seat; the arm wheel is provided with a wheel shaft which is used for being rotationally connected with the wheel;

the arm wheel is provided with a limiting block, and the limiting block is positioned in the limiting hole; and the arm wheel is connected with a damping spring which is used for being abutted to the frame.

2. The suspension structure according to claim 1, wherein a cavity is formed in the arm wheel, and the damping spring is inserted into the cavity; one end of the damping spring is abutted to the bottom of the cavity, and the other end of the damping spring is abutted to the bottom surface of the frame.

3. The suspension structure according to claim 2, wherein clamping grooves are formed in the hinge seats, and a damping pad is clamped in each clamping groove; the damping pad extends into the limiting hole and is abutted to the limiting block.

4. The suspension structure according to claim 3, wherein the number of the snap grooves and the damping pads is two, and the two snap grooves and the two damping pads correspond one to one; the two damping pads are arranged at intervals and are positioned in the rotating plane of the limiting block; the limiting block is located between the two damping pads.

5. The suspension structure according to claim 1, wherein the arm wheel is provided with a connecting plate for fixedly connecting with a water guard of the wheel.

6. The suspension structure according to claim 1, wherein the hinge seat is provided with a through hole for a bolt to pass through, and the through hole is inserted with a bolt for fixedly connecting with the frame.

7. A suspension arrangement according to any one of claims 1 to 6, wherein a drive motor is fixedly connected to the arm wheel and the output of the drive motor is adapted to be drivingly connected to the wheel.

8. A sports chassis, comprising: a frame, a wheel, and a suspension structure according to any one of claims 1-7; the number of the suspension structures and the number of the wheels are multiple, and the multiple suspension structures are arranged at intervals and fixedly installed on the frame; the wheels are respectively connected to the suspension structures in a one-to-one corresponding manner.

9. The sport chassis of claim 8 wherein said frame has a first end and a second end; the first end with the second end is equallyd divide cloth have the suspended structure with the wheel.

10. The sport chassis of claim 9 wherein each of said wheels is an omni wheel.