CN114524041A

CN114524041A - Electric scooter for hollow road surface

Info

Publication number: CN114524041A
Application number: CN202011303348.XA
Authority: CN
Inventors: 李平平
Original assignee: Ningbo Juku Intelligent Technology Co ltd
Current assignee: Ningbo Juku Intelligent Technology Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2022-05-24

Abstract

The invention discloses an electric scooter for a hollow road surface, and relates to the technical field of scooters. The front wheel frame is vertically provided with a handle rod, the handle rod is sleeved with a connecting block, the connecting block is hinged with a main frame, the tail part of the main frame is rotatably provided with a rear wheel, a vertically distributed through hole is formed in the front wheel frame, the through hole is communicated with a second groove body and a guide groove which are arranged at the bottom end of the handle rod, a mandril is arranged in the through hole in a sliding manner, and meanwhile, the top end of the mandril penetrates through the second groove body and extends into the guide groove; the upper end of the ejector rod is provided with a limiting ring, a first spring for pushing the ejector rod to move downwards is installed on the limiting ring, and the bottom end of the ejector rod is connected with a push plate. The pushing block fixed by the ejector rod moves upwards to push the combined ejector block to move quickly towards the outside, so that the connecting block moves upwards along the inclined plane of the ejector block, the distance between the front end of the main frame and the ground is increased, and the passing performance of the main frame is improved.

Description

Electric scooter for hollow road surface

Technical Field

The invention belongs to the technical field of scooters, and particularly relates to an electric scooter for hollow pavements.

Background

Present electric scooter especially the electric scooter that adult used has the advantage very much on the ultrashort journey trip, and it is for standing to drive and small and exquisite light, is fit for wearing in narrow and small space. Compared with the common electric vehicle, the weight is very light, and the electric vehicle can be carried easily. Even can be accommodated in a private car trunk, for example, can be taken out for use when needed for next generation after traveling to a destination. The gap between the main frame of the existing electric scooter and the ground is small, and the gap between the main frame of the electric scooter and the ground is small and poor in trafficability when the electric scooter is used for driving for a short distance in the process of going out for playing, so that the bottom support is damaged in the process of driving on a road with a hollow road surface; in addition, the existing electric scooter with high ground clearance has poor stability in the process of high center movement in the process of driving on a flat road surface.

Disclosure of Invention

The invention aims to provide an electric scooter for a hollow road surface, which moves upwards through a push block fixed by a push rod to push the combined push block to move quickly outwards, so that the connection block moves upwards along the inclined plane of the push block, the distance between the front end of a main frame and the ground is increased, the trafficability of the main frame is improved, and the related problems in the background art are solved.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to an electric scooter for a hollow road surface, which comprises a front wheel frame, wherein a handle rod is vertically arranged on the front wheel frame, a connecting block is sleeved on the handle rod and is hinged with a main frame, a rear wheel is rotatably arranged at the tail part of the main frame, a vertically distributed through hole is formed in the front wheel frame, the through hole is mutually communicated with a second groove body and a guide groove which are arranged at the bottom end of the handle rod, a mandril is slidably arranged in the through hole, and meanwhile, the top end of the mandril penetrates through the second groove body and extends into the guide groove; the handle rod is provided with a lock body extending into the guide groove, and the lock body can be locked with the top end of the handle rod; the handle rod is fixedly provided with a push block, the push block is positioned in the second groove body, meanwhile, the push block is fixedly provided with a top block, and the side surface of the top block is tightly attached to a guide surface arranged at the bottom end of the connecting block; the upper end of the ejector rod is provided with a limiting ring, a first spring for pushing the ejector rod to move downwards is mounted on the limiting ring, and the bottom end of the ejector rod is connected with a push plate.

Further, an air cylinder is fixedly installed in a through hole of the front wheel frame, the installed ejector rod penetrates through the air cylinder, and meanwhile a piston ring arranged in the air cylinder is fixed on the ejector rod; the front wheel carrier is also internally provided with a first groove body, a shock absorber and a shaft body are arranged in the first groove body, the movable end of the shock absorber is used for supporting the shaft body, and front wheels are respectively arranged at two ends of the shaft body; and the cavity of the first air cylinder is communicated with the cavity of the second air cylinder.

Furthermore, a hinge seat is arranged on the inner side of a curved part arranged at one end part of the push plate and is hinged with the bottom end of the ejector rod; the other end of push pedal articulates there is a sliding block, the spout that the other end of sliding block was equipped with along the front wheel carrier removes.

Furthermore, the pushing block and the ejecting block are both in a round table shape, a shaft hole is formed in the middle of the ejecting block, and a conical surface is formed at the end part, close to the pushing block, of the shaft hole.

Further, the top block comprises a movable block, a framework and a synchronous component; the top view of the movable block is of a sector structure, a sector groove body is arranged inside the movable block, a third groove body is formed in the sector groove body, and guide rods distributed along the radial direction of the movable block extend from the bottom surface of the third groove body; the framework comprises a ring body and rod bodies, wherein four rod bodies distributed along the radial direction are uniformly distributed on the ring body, and the rod bodies are fixed between the front wheel frame and the end face of the handle rod; the fan-shaped groove body of the movable block is clamped on the outer side of the ring body, meanwhile, the guide rod penetrates through a light space arranged on the ring body, a second spring for pushing the movable block to move inwards is sleeved on the guide rod, and the side edge of the movable block after installation is attached to the side edge of the rod body; the side of movable block has still opened cell body four, synchronous subassembly is installed to four internal rotations of cell body, synchronous subassembly's the other end rotates and installs on the body of rod, pile up at least on the body of rod and install two synchronous subassemblies, the tip of two synchronous subassemblies all is equipped with intermeshing's outer gear.

Furthermore, the synchronous assembly comprises a first guide sleeve, a second guide sleeve and a third spring, one end of the first guide sleeve is installed inside the second guide sleeve in a matched mode to form a cavity, and the third spring is installed inside the cavity.

The invention has the following beneficial effects:

1. the handle rod is sleeved with the connecting block, the connecting block is movably connected with the end part of the main frame, the ejecting block is arranged in the second groove body of the handle rod, the ejecting block fixed by the ejector rod moves upwards to push the ejecting block to move outwards quickly, and the connecting block moves upwards along the inclined plane of the ejecting block, so that the distance between the front end of the main frame and the ground is increased, the passing performance of the main frame is improved, and in addition, the connecting block is connected with the main frame through the pin shaft, so that the problem that the fatigue strength is increased and the main frame is broken due to bending in the traditional rigid connection process is solved.

2. Two adjacent movable blocks in the top block are respectively provided with two synchronous assemblies, the end parts of the two adjacent synchronous assemblies are respectively provided with an external gear which is meshed with each other, the rotating angles of the two synchronous assemblies are ensured to be the same, so that the outward moving distances of different movable blocks are the same, the guide surfaces in different areas of the connecting block are the same along the inclined plane movement path of the movable blocks, and the problem that the connecting block is inclined after moving is solved; in addition, the guide rod is sleeved with a second spring, so that the movable block is ensured to automatically reset under the condition that the ejector rod extends out, and the position of the connecting block is automatically adjusted.

3. The shaft body of the front wheel frame is provided with the two front wheels, and the two front wheels and the rear wheel form a triangular structure, so that the parking stability of the electric scooter is improved.

4. The bottom end of the ejector rod is hinged with the push plate, so that when the ejector rod passes through a hollow road surface, the ejector rod is prevented from being directly impacted by the protruded road surface, the ejector rod is prevented from deforming, and the expansion and contraction of the ejector rod are prevented from being influenced; the other end of push pedal passes through the sliding block slidable mounting in the spout in addition, and the push pedal of installation is the tilt state, avoids the push pedal of installation and the road surface of slope to take place the friction, influences its trafficability characteristic.

5. According to the invention, the cylinder and the shock absorber are arranged in the front wheel frame, the installed ejector rod penetrates through the cylinder, and the piston ring of the cylinder is fixed on the ejector rod.

6. The lock body is matched with the bayonets arranged at the end parts of the ejector rods to realize the fixation of the retracted ejector rods, the trafficability of the electric scooter is effectively improved by lifting the main frame, the ejector rods are fixed to ensure the stability of the driving process, the ejector rods are sleeved with the springs I for pushing the ejector rods to reset, the installed lock body is provided with the handles extending out of the handle rods, the ejector rods are reset by pulling the handles, the operation is simple, the buffer formation of the shock absorbers can be effectively increased, and the requirements on the driving comfort and the stability of a flat road surface are met.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a schematic view of a partial cross-sectional structure of the present invention;

FIG. 3 is an enlarged schematic view of FIG. 2 at A according to the present invention;

FIG. 4 is a schematic cross-sectional view of the top block of the present invention;

FIG. 5 is an enlarged view of the structure at B of FIG. 4 according to the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-front wheel frame, 101-sliding groove, 102-groove body I, 2-handle bar, 201-groove body II, 202-guide groove, 3-connecting block, 301-guide surface, 302-through hole, 4-main frame, 5-rear wheel, 6-front wheel, 7-top rod, 701-spacing ring, 702-push block, 8-top block, 801-movable block, 8011-groove body III, 8012-guide bar, 8013-groove body IV, 802-framework, 8021-ring body, 8022-rod body, 803-synchronous component, 8031-guide sleeve I, 8032-guide sleeve II, 8033-spring III, 804-spring II, 805-shaft hole, 9-lock body, 10-push plate, 11-sliding block, 12-cylinder, 13-shock absorber, 14-shaft body, 15-spring I, 16-buffer ring.

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.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

Referring to fig. 1-5, the invention relates to an electric scooter for pothole pavements, which comprises a front wheel frame 1, wherein a handle rod 2 is vertically arranged on the front wheel frame 1, a connecting block 3 is sleeved on the handle rod 2, the connecting block 3 is hinged with a main frame 4, a rear wheel 5 is rotatably arranged at the tail part of the main frame 4, a storage battery is also arranged in the main frame 4 to supply power to the rear wheel 5 and drive the rear wheel 5, a vertically distributed through hole is formed in the front wheel frame 1, the through hole is communicated with a groove body II 201 and a guide groove 202 which are arranged at the bottom end of the handle rod 2, a mandril 7 is slidably arranged in the through hole, and the top end of the mandril 7 penetrates through the groove body II 201 and extends into the guide groove 202; the end surface of the handle rod 2 is provided with a support rod corresponding to the rod body 8022 and forms a second groove body 201.

Wherein, the handle bar 2 is provided with a lock body 9 extending into the guide groove 202, and the lock body 9 can be locked with the top end of the handle bar 2; the lock body 9 realizes the fixed of 7 positions of ejector pin after the shrink with the bayonet fitting that 7 tip of ejector pin were equipped with, through rising owner's frame 4, effectual improvement electric scooter's trafficability characteristic, in addition fix the stability of guaranteeing the course of traveling with ejector pin 7, it promotes its spring that resets to cup joint on the ejector pin 7 15, and the lock body 9 of installation is equipped with the handle that stretches out handle bar 2, realize the resetting of ejector pin 7 through the pulling handle, and is simple in operation, and can effectual increase bumper shock absorber 13's buffering form, satisfy the demand that level road surface travelling comfort.

A push block 702 is fixedly mounted on the handle rod 2, the push block 702 is positioned in the second groove body 201, a push block 8 is fixedly mounted on the push block 702, and the side surface of the push block 8 is tightly attached to a guide surface 301 arranged at the bottom end of the connecting block 3;

the upper end of the ejector rod 7 is provided with a limiting ring 701, the limiting ring 701 is provided with a spring I15 for pushing the ejector rod 7 to move downwards, and the bottom end of the ejector rod 7 is connected with a push plate 10.

An air cylinder 12 is fixedly arranged in a through hole of the front wheel frame 1, an installed ejector rod 7 penetrates through the air cylinder 12, and a piston ring arranged in the air cylinder 12 is fixed on the ejector rod 7; a first groove body 102 is further arranged in the front wheel frame 1, a shock absorber 13 and a shaft body 14 are mounted in the first groove body 102, the movable end of the shock absorber 13 is used for supporting the shaft body 14, and front wheels 6 are mounted at two ends of the shaft body 14 respectively; the cavity of the first cylinder 12 is communicated with the cavity of the second cylinder 13; install cylinder 12 and bumper shock absorber 13 in the front wheel frame 1, the ejector pin 7 of installation passes cylinder 12, and the piston ring of cylinder 12 is fixed at ejector pin 7 simultaneously, when ejector pin 7 takes place to shrink, reduces the volume in the cylinder 12, promotes hydraulic oil to the bumper shock absorber 13 in to the flexible end extension or the compression stroke that realize bumper shock absorber 13 reduce, avoid the bottom surface of main frame 4 to take place to touch the end, cause the bottom surface to damage.

A hinging seat is arranged at the inner side of the curved part arranged at one end part of the push plate 10 and is hinged with the bottom end of the ejector rod 7; the other end of the push plate 10 is hinged with a sliding block 11, and the other end of the sliding block 11 moves along a sliding groove 101 arranged on the front wheel carrier 1.

The pushing block 702 and the ejecting block 8 are both in a circular truncated cone shape, the roller is mounted on the conical surface of the ejecting block 8, a shaft hole 805 is formed in the middle of the ejecting block 8, and the end, close to the pushing block 702, of the shaft hole 805 is provided with a conical surface.

The top block 8 includes an activity block 801, a skeleton 802, and a synchronization component 803; the top view of the movable block 801 is a sector structure, a sector groove body is arranged inside the movable block 801, a groove body III 8011 is arranged on the sector groove body, and guide rods 8012 distributed along the radial direction of the movable block 801 extend from the bottom surface of the groove body III 8011; the skeleton 802 includes a ring body 8021 and rod bodies 8022, four rod bodies 8022 distributed along the radial direction are uniformly distributed on the ring body 8021, and the rod bodies 8022 are fixed between the front wheel frame 1 and the end surface of the handle bar 2; the fan-shaped groove body of the movable block 801 is clamped on the outer side of the ring body 8021, meanwhile, the guide rod 8012 penetrates through the light space arranged on the ring body 8021, a spring II 804 for pushing the movable block 801 to move inwards is sleeved on the guide rod 8012, and the side edge of the installed movable block 801 is attached to the side edge of the rod body 8022; a slot body four 8013 is further formed in the side edge of the movable block 801, a synchronizing assembly 803 is rotatably mounted in the slot body four 8013, the other end of the synchronizing assembly 803 is rotatably mounted on a rod body 8022, at least two synchronizing assemblies 803 are stacked on the rod body 8022, and external gears which are meshed with each other are arranged at the end portions of the two synchronizing assemblies 803.

The synchronizing assembly 803 comprises a first guide sleeve 8031, a second guide sleeve 8032 and a third spring 8033, wherein one end of the first guide sleeve 8031 is installed inside the second guide sleeve 8032 in a matching manner, a cavity is formed, and the third spring 8033 is installed in the cavity.

The connecting block 3 is sleeved on the handle rod 2, meanwhile, the connecting block 3 is movably connected with the end part of the main frame 4, the ejecting block 8 is installed in the groove body II 201 of the handle rod 2, the ejecting block 702 fixed by the ejector rod 7 moves upwards to push the movable block 801 forming the ejecting block 8 to move outwards, and the connecting block 3 moves upwards along the inclined plane of the ejecting block 8, so that the distance between the front end of the main frame 4 and the ground is improved, the trafficability characteristic of the main frame is increased, and in addition, the connecting block 3 is connected with the main frame 4 through a pin shaft, so that the problem that fatigue strength is increased and the main frame is broken easily due to bending in the traditional rigid connection process is solved; two adjacent movable blocks 801 in the top block 8 are respectively provided with two synchronous assemblies 803, and the end parts of the two adjacent synchronous assemblies 803 are respectively provided with an external gear which is meshed with each other, so that the rotating angles of the two synchronous assemblies 803 are ensured to be the same, the outward movement distances of different movable blocks 801 are the same, the movement paths of the guide surfaces 301 in different areas of the connecting block 3 along the inclined surfaces of the movable blocks 801 are the same, and the problem that the connecting block 3 is inclined after moving is solved; in addition, a second spring 804 is sleeved on the guide rod 8012, so that the movable block 801 is ensured to automatically reset under the condition that the push rod 7 extends out, and the position of the connecting block 3 is automatically adjusted.

Two front wheels 6 are arranged on a shaft body 14 of the front wheel frame 1, and the two front wheels and a rear wheel 5 form a triangular structure, so that the parking stability of the electric scooter is improved.

The bottom end of the ejector rod 7 is hinged with a push plate 10, so that when the ejector rod passes through a hollow road surface, the ejector rod 7 is prevented from being directly impacted by the protruded road surface, the ejector rod 7 is prevented from deforming, and the expansion and contraction of the ejector rod 7 are prevented from being influenced; the other end of the push plate 10 is slidably mounted in the sliding groove 101 through the sliding block 11, and the mounted push plate 10 is in an inclined state, so that the mounted push plate 10 is prevented from rubbing an inclined road surface to influence the trafficability of the road.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an electric scooter for hollow road surface, includes preceding wheel carrier (1), vertical installation has handle bar (2) on preceding wheel carrier (1), connecting block (3) have been cup jointed on handle bar (2), connecting block (3) are articulated with main frame (4), rear wheel (5), its characterized in that are installed in the afterbody rotation of main frame (4):

a vertically distributed through hole is formed in the front wheel carrier (1), the through hole is communicated with a second groove body (201) and a guide groove (202) which are formed in the bottom end of the handle rod (2), a push rod (7) is installed in the through hole in a sliding mode, and meanwhile the top end of the push rod (7) penetrates through the second groove body (201) and extends into the guide groove (202);

wherein, a lock body (9) extending into the guide groove (202) is arranged on the handle rod (2), and the lock body (9) can be locked with the top end of the handle rod (2);

a push block (702) is fixedly mounted on the handle rod (2), the push block (702) is located in the second groove body (201), a push block (8) is fixedly mounted on the push block (702), and the side face of the push block (8) is tightly attached to a guide face (301) arranged at the bottom end of the connecting block (3);

the upper end of the ejector rod (7) is provided with a limiting ring (701), a first spring (15) for pushing the ejector rod (7) to move downwards is mounted on the limiting ring (701), and the bottom end of the ejector rod (7) is connected with a push plate (10).

2. The electric scooter for hollow road according to claim 1, characterized in that a cylinder (12) is fixedly installed in the through hole of the front wheel frame (1), the push rod (7) is installed to pass through the cylinder (12), and the piston ring provided in the cylinder (12) is fixed on the push rod (7);

a first groove body (102) is further arranged in the front wheel frame (1), a shock absorber (13) and a shaft body (14) are mounted in the first groove body (102), the movable end of the shock absorber (13) is used for supporting the shaft body (14), and front wheels (6) are mounted at two ends of the shaft body (14) respectively;

and the cavity of the first air cylinder (12) is communicated with the cavity of the second air cylinder (13).

3. The electric scooter for hollow road according to claim 1, characterized in that the push plate (10) has a hinge seat inside the curved portion at one end, the hinge seat is hinged with the bottom end of the top bar (7);

the other end of push pedal (10) articulates there is a sliding block (11), the other end of sliding block (11) moves along spout (101) that front wheel carrier (1) was equipped with.

4. The electric scooter for hollow pavements as claimed in claim 1, wherein the push block (702) and the top block (8) are both truncated cone-shaped, the top block (8) is provided with a shaft hole (805) in the middle, and the end of the shaft hole (805) close to the push block (702) is provided with a conical surface.

5. The electric scooter for pothole pavements according to claim 1 or 4, characterized in that the top block (8) comprises a movable block (801), a frame (802) and a synchronizing assembly (803);

the top view of the movable block (801) is of a sector structure, a sector groove body is arranged inside the movable block (801), a groove body III (8011) is formed in the sector groove body, and guide rods (8012) distributed along the radial direction of the movable block (801) extend from the bottom surface of the groove body III (8011);

the framework (802) comprises a ring body (8021) and rod bodies (8022), four rod bodies (8022) distributed along the radial direction are uniformly distributed on the ring body (8021), and the rod bodies (8022) are fixed between the front wheel frame (1) and the end face of the handle rod (2);

the fan-shaped groove body of the movable block (801) is clamped on the outer side of the ring body (8021), meanwhile, the guide rod (8012) penetrates through a light space arranged on the ring body (8021), a second spring (804) for pushing the movable block (801) to move inwards is sleeved on the guide rod (8012), and the side edge of the installed movable block (801) is attached to the side edge of the rod body (8022);

the side of movable block (801) has still opened cell body four (8013), synchronous subassembly (803) are installed in the rotation of cell body four (8013), the other end of synchronous subassembly (803) rotates and installs on body of rod (8022), pile up at least on the body of rod (8022) and install two synchronous subassemblies (803), the tip of two synchronous subassemblies (803) all is equipped with intermeshing's external gear.

6. An electric scooter for pothole according to claim 5, wherein the synchronizing assembly (803) comprises a first guide sleeve (8031), a second guide sleeve (8032) and a third spring (8033), wherein one end of the first guide sleeve (8031) is fittingly installed inside the second guide sleeve (8032) and forms a cavity, and the third spring (8033) is installed in the cavity.