CN211336315U

CN211336315U - Electric motor car front fork shock-absorbing structure

Info

Publication number: CN211336315U
Application number: CN201921822253.1U
Authority: CN
Inventors: 郭银军
Original assignee: Yangzhong Xinghong Vehicle Parts Co ltd
Current assignee: Yangzhong Xinghong Vehicle Parts Co ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-08-25
Anticipated expiration: 2029-10-28

Abstract

The utility model discloses an electric motor car front fork shock-absorbing structure, including the steering wheel, it has the shock attenuation pole to peg graft at the top center of steering wheel, the shock attenuation pole includes the shock attenuation loop bar, it has the movable rod to peg graft in the inner chamber activity of shock attenuation loop bar, the inner chamber top of movable rod all is provided with the mounting with the inner chamber bottom of shock attenuation loop bar, the mounting is fixed with the permanent magnet, the inner chamber of movable rod is provided with a damping spring with the inner chamber of shock attenuation loop bar, the top rigid coupling steering wheel of shock attenuation pole, it has the front fork main part to peg graft in the left and right sides inner chamber of steering wheel, the bottom rigid coupling of front fork main part has the front fork seat, the preceding lateral wall rigid coupling of front fork seat has. The utility model provides a current electric motor car because front fork simple structure, list are thin, and intensity is lower, and the shock attenuation effect is more weak, jolts the problem that influences the life-span of storage battery car for a long time.

Description

Electric motor car front fork shock-absorbing structure

Technical Field

The utility model relates to an electric motor car bumper technical field specifically is an electric motor car front fork shock-absorbing structure.

Background

Electric vehicles, namely electric drive vehicles, are also known as electric drive vehicles. Electric vehicles are classified into alternating current electric vehicles and direct current electric vehicles. Generally, an electric vehicle is a vehicle that uses a battery as an energy source, and converts electric energy into mechanical energy through a controller, a motor and other components to move so as to control the current and change the speed.

Along with the continuous improvement of the living standard of people, the electric motor car gradually becomes the first-choice tool of riding instead of walk of people. At present, the road surface gradient is larger in some mountain areas, and the existing electric vehicle has the influence on the service life of the storage battery car due to the fact that the front fork is simple in structure, thin and low in strength and weak in damping effect and jolts for a long time, so that the electric vehicle is greatly influenced to be popularized and used in the mountain areas, and therefore the front fork damping structure of the electric vehicle is designed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an electric motor car front fork shock-absorbing structure solves current electric motor car because front fork simple structure, list are thin, and intensity is lower, and the shock attenuation effect is more weak, jolts the problem that influences the life-span of storage battery car for a long time.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

a shock absorption structure of a front fork of an electric vehicle comprises a steering plate, wherein a shock absorption rod is inserted in the center of the top of the steering plate, the top of the shock absorption rod is fixedly connected with the steering rod, inner cavities on the left side and the right side of the steering plate are inserted with a front fork main body, the bottom of the front fork main body is fixedly connected with a front fork seat, the front side wall of the front fork seat is fixedly connected with a connecting piece, and an interface is arranged in the inner cavity of the connecting piece;

the shock-absorbing rod comprises a shock-absorbing sleeve rod, a movable rod is movably inserted into an inner cavity of the shock-absorbing sleeve rod, fixing pieces are arranged at the top of the inner cavity of the movable rod and the bottom of the inner cavity of the shock-absorbing sleeve rod respectively, a permanent magnet is fixed on the fixing pieces, and a first shock-absorbing spring is arranged between the inner cavity of the movable rod and the inner cavity of the shock-absorbing sleeve rod.

In an electric vehicle front fork damping structure, the permanent magnet is a permanent magnet with opposite N poles.

The utility model provides an electric motor car front fork shock-absorbing structure, the front fork main part includes a front fork end section of thick bamboo, the inner chamber activity of a front fork end section of thick bamboo is pegged graft by the shock attenuation post, the inner chamber of shock attenuation post is opened there is the shock attenuation groove, the inner chamber of shock attenuation groove is provided with second damping spring, the inner chamber center rigid coupling of a front fork end section of thick bamboo has the push rod, the top rigid coupling of push rod has the limiting plate, the limiting plate is located the inner chamber of shock attenuation groove.

According to the front fork shock absorption structure of the electric vehicle, the inner cavity of the shock absorption column is provided with the abdicating groove matched with the push rod.

In the front fork damping structure of the electric vehicle, the second damping spring is located between the top of the limiting plate and the top of the inner cavity of the damping groove.

The utility model has the advantages that: the utility model has reasonable structural design, the permanent magnets are fixed on the top of the inner cavity of the movable rod and the bottom of the inner cavity of the damping sleeve rod, the permanent magnets have opposite N poles, the magnetic poles are opposite to each other to generate mutual repulsion magnetic force, when jolting occurs and vibration occurs, the damping effect is enhanced, the inner cavity of the movable rod and the inner cavity of the damping sleeve rod are provided with a first damping spring which can play a certain damping role, meanwhile, the inner cavity of the bottom cylinder of the front fork is movably inserted with a damping column, when vibrating, the push rod pushes a limiting plate to extrude a second damping spring in a damping groove to further weaken the vibration force, and a third damping spring is sleeved on the outer wall of the push rod, due to the extrusion of the damping column, the generated elastic force can further offset the vibration force, through the damping effect of three times, the damping effect of the front fork of the electric vehicle is obvious, and the structural strength of the device is large, the shock absorption and damping device can adapt to complex environments, and solves the problem that the service life of the battery car is influenced due to long-time jolting of the existing electric car due to the fact that the front fork is simple in structure, thin, low in strength and weak in damping effect.

Drawings

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

FIG. 2 is a schematic view of a shock rod;

fig. 3 is a schematic structural view of the front fork main body.

In the figure: 1. the steering plate, 2, a shock absorption rod, 201, a shock absorption sleeve rod, 202, a movable rod, 203, a fixing piece, 204, a permanent magnet, 205, a first shock absorption spring, 3, a front fork main body, 301, a front fork bottom barrel, 302, a shock absorption column, 303, a shock absorption groove, 304, a second shock absorption spring, 305, a push rod, 306, a limiting plate, 307, a third shock absorption spring, 4, a front fork seat, 5, a connecting piece, 6, an interface, 7 and a steering rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to FIGS. 1-3: an electric vehicle front fork shock absorption structure comprises a steering plate 1, a shock absorption rod 2 is inserted in the center of the top of the steering plate 1, the shock absorption rod 2 comprises a shock absorption loop bar 201, a movable rod 202 is inserted in the inner cavity of the shock absorption loop bar 201 movably, a fixed part 203 is arranged on the top of the inner cavity of the movable rod 202 and the bottom of the inner cavity of the shock absorption loop bar 201, a permanent magnet 204 is fixed on the fixed part 203, the permanent magnet 204 is a permanent magnet with opposite N poles, a first shock absorption spring 205 is arranged in the inner cavity of the movable rod 202 and the inner cavity of the shock absorption loop bar 201, a steering rod 7 is fixedly connected with the top of the shock absorption rod 2, front fork main bodies 3 are inserted in the inner cavities on the left side and the right side of the steering plate 1, each front fork main body 3 comprises a front fork bottom cylinder 301, a shock absorption column 302 is movably inserted in the inner cavity of the front fork bottom cylinder 301, a shock absorption groove 303 is formed in the inner, the inner chamber of shock attenuation post 302 is opened there is the groove of stepping down with push rod 305 matched with, the top rigid coupling of push rod 305 has limiting plate 306, second damping spring 304 is located between the inner chamber top of limiting plate 306 top and shock attenuation groove 303, limiting plate 306 is located the inner chamber of shock attenuation groove 303, the outer wall of push rod 305 has cup jointed third damping spring 307, and third damping spring 307 is located between the bottom of shock attenuation post 302 and the inner chamber bottom of the bottom section of thick bamboo 301 of front fork, the bottom rigid coupling of front fork main part 3 has front fork seat 4, the preceding lateral wall rigid coupling of front fork seat 4 has connecting piece 5, the inner chamber of connecting piece 5 is opened there is interface 6.

To sum up, when the utility model is used, the permanent magnet 204 is fixed on the top of the inner cavity of the movable rod 202 and the bottom of the inner cavity of the damping sleeve rod 201, the permanent magnet 204 is a permanent magnet with opposite N poles, the magnetic poles are the same and opposite to each other to generate repulsive magnetic force, when vibration occurs, the damping effect is enhanced, the inner cavity of the movable rod 202 and the inner cavity of the damping sleeve rod 201 are provided with the first damping spring 205, the first damping spring 205 can play a certain damping role, meanwhile, the damping column 302 is movably inserted into the inner cavity of the front fork bottom tube 301, when vibration occurs, the push rod 305 pushes the limiting plate 306 to extrude the second damping spring 304 in the damping groove 303, further weakening the vibration force, the third damping spring 307 is sleeved on the outer wall of the push rod 305, due to the extrusion of the damping column 302, the generated elastic force can further offset the vibration force, through the damping effect of three times, so that the front fork of the electric vehicle has obvious damping effect, meanwhile, the structure strength of the device is high, the device can adapt to a complex environment, and the problem that the service life of the battery car is influenced due to long-time jolting of the existing electric car due to the fact that the front fork is simple in structure, single and thin, low in strength and weak in damping effect is solved.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides an electric motor car front fork shock-absorbing structure, includes steering panel (1), its characterized in that: a shock absorption rod (2) is inserted into the center of the top of the steering plate (1), the top of the shock absorption rod (2) is fixedly connected with a steering rod (7), inner cavities on the left side and the right side of the steering plate (1) are inserted with a front fork main body (3), the bottom of the front fork main body (3) is fixedly connected with a front fork seat (4), the front side wall of the front fork seat (4) is fixedly connected with a connecting piece (5), and an interface (6) is arranged in the inner cavity of the connecting piece (5);

shock attenuation pole (2) are including shock attenuation loop bar (201), the inner chamber activity of shock attenuation loop bar (201) is pegged graft and is had movable rod (202), the inner chamber top of movable rod (202) and the inner chamber bottom of shock attenuation loop bar (201) all are provided with mounting (203), mounting (203) are fixed with permanent magnet (204), the inner chamber of movable rod (202) and the inner chamber of shock attenuation loop bar (201) are provided with first damping spring (205).

2. The electric vehicle front fork shock absorbing structure according to claim 1, wherein: the permanent magnet (204) is a permanent magnet with opposite N poles.

3. The electric vehicle front fork shock absorbing structure according to claim 1, wherein: front fork main part (3) are including a front fork end section of thick bamboo (301), the inner chamber activity of a front fork end section of thick bamboo (301) is pegged graft and is had shock attenuation post (302), the inner chamber of shock attenuation post (302) is opened there is shock attenuation groove (303), the inner chamber of shock attenuation groove (303) is provided with second damping spring (304), the inner chamber center rigid coupling of a front fork end section of thick bamboo (301) has push rod (305), the top rigid coupling of push rod (305) has limiting plate (306), limiting plate (306) are located the inner chamber of shock attenuation groove (303).

4. The electric vehicle front fork shock absorbing structure according to claim 3, wherein: the outer wall of the push rod (305) is sleeved with a third damping spring (307), and the third damping spring (307) is located between the bottom of the damping column (302) and the bottom of the inner cavity of the front fork bottom barrel (301).

5. The electric vehicle front fork shock absorbing structure according to claim 3, wherein: the inner cavity of the shock absorption column (302) is provided with a yielding groove matched with the push rod (305).

6. The electric vehicle front fork shock absorbing structure according to claim 3, wherein: the second damping spring (304) is positioned between the top of the limiting plate (306) and the top of the inner cavity of the damping groove (303).