CN212717804U

CN212717804U - Electric motor car shock attenuation adjusting part

Info

Publication number: CN212717804U
Application number: CN202021603632.4U
Authority: CN
Inventors: 郭华忠; 张挺
Original assignee: Hangzhou Lvpeng Technology Co ltd
Current assignee: Jiangsu DUSHENG Locomotive Co.,Ltd.
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2021-03-16
Anticipated expiration: 2030-08-05

Abstract

The utility model relates to the technical field of electric vehicles, in particular to a damping adjusting part of an electric vehicle, which comprises an upper connecting seat, wherein a piston rod is fixedly connected at the center of the bottom of the upper connecting seat, a buffer spring is fixedly connected at the bottom of the upper connecting seat and at the position far away from the piston rod, a lower connecting seat is fixedly connected at the bottom of the buffer spring, a damping cylinder is fixedly connected at the center of the top of the lower connecting seat, a circular groove is arranged at the top of the damping cylinder and at the position of the piston rod, a square groove is arranged at the bottom of the circular groove, and a piston plate, a piston rod, a square groove, a flow guide pipe and a through hole are arranged to solve the problem that the damping effect of the current electric vehicle damper is realized by the spring, when the electric vehicle runs, the piston rod can repeatedly move in the sleeve, the contact part of the piston rod and the sleeve can, the normal operation of the shock absorber is influenced.

Description

Electric motor car shock attenuation adjusting part

Technical Field

The utility model relates to an electric motor car technical field specifically is an electric motor car shock attenuation adjusting part.

Background

The electric motor car, electric drive car again, the electric motor car divide into alternating current electric motor car and direct current electric motor car, and the electric motor car of saying so usually is as energy source with the battery, through parts such as controller, motor, turns into the mechanical energy motion with the electric energy to the vehicle of control current size change speed, the electric motor car can divide into according to the structure: electric bicycles, electric motorcycles, electric tricycles, electric scooters, and the like.

At present electric motor car bumper shock absorber generally realizes the shock attenuation effect through the spring, and when the electric motor car went, the piston rod can remove in the sleeve repeatedly, and piston rod and sleeve contact position can produce a large amount of heats because of friction repeatedly, and the unable intensity that can lead to piston rod and sleeve that gives off in time of these accumulations of heat reduces, influences the normal operating of bumper shock absorber, consequently needs an electric motor car shock attenuation adjusting part to improve this problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric motor car shock attenuation adjusting part to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a damping adjusting part of an electric vehicle comprises an upper connecting seat, wherein a piston rod is fixedly connected at the center of the bottom of the upper connecting seat, a buffer spring is fixedly connected at the bottom of the upper connecting seat and at a position far away from the piston rod, a lower connecting seat is fixedly connected at the bottom of the buffer spring, a damping cylinder is fixedly connected at the center of the top of the lower connecting seat, a circular groove is formed at the top of the damping cylinder and at the position of the piston rod, a square groove is formed at the bottom of the circular groove, a piston plate is connected in the square groove, return springs are fixedly connected at two sides of the center of the bottom of the piston plate, a flow guide pipe is fixedly connected at the left side of the square groove and below the piston plate, a flow guide groove is formed in the damping cylinder and at the position of the flow guide pipe, a through hole is formed in the right side of the, the right side in square groove just is at the below fixedly connected with intake pipe of piston plate, gaseous check valve under the fixedly connected with in the intake pipe, just the right side fixedly connected with dust screen of gaseous check valve under in the intake pipe, go up the connecting seat and all seted up the mounting hole on the connecting seat down.

Preferably, the piston rod and the shock absorption cylinder are both made of stainless steel, and the piston rod is connected with the circular groove in a sliding mode, and the piston plate is connected with the square groove in a sliding mode.

Preferably, the piston plate is made of silica gel, and the through hole, the exhaust hole and the upper gas check valve are all provided with a plurality of.

Preferably, the shape of the piston plate is matched with that of the square groove, and the length of the piston rod is matched with that of the shock absorption cylinder.

Preferably, the upper gas check valve allows air to flow only out of the shock tube, and the lower gas check valve allows air to flow only into the shock tube.

Preferably, the return spring is fixedly connected with the square groove, and the shape of the lower connecting seat is matched with that of the upper connecting seat.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through setting up the piston board, the piston rod, the square groove, the honeycomb duct, the through-hole, when the piston rod gets into the shock absorber, the piston rod can be through the piston board send the air in the square groove into the guiding gutter, air in the guiding gutter can flow in the circular groove through the through-hole and discharge through the exhaust hole, the heat in piston rod and the shock absorber can be taken away to the air that flows through in the circular groove, make the temperature of piston rod and shock absorber reduce, it realizes the shock attenuation effect through the spring to have solved present electric motor car bumper shock absorber generally, when the electric motor car traveles, the piston rod can remove in the sleeve repeatedly, the piston rod can produce a large amount of heats because of repeated friction with sleeve contact site, the unable intensity that in time gives off of these accumulations can lead to piston rod and telescopic intensity reduction, influence the normal operating.

2. The utility model discloses in, through setting up the piston board of being made by silica gel, the piston board can avoid piston rod and square groove bottom to carry out direct striking, prevents that the piston rod is impaired because of direct striking.

3. The utility model discloses in, through setting up the dust screen, the dust screen can prevent that the dust in the air from getting into the shock tube, avoids dust pollution and corruption piston rod and shock tube.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

fig. 3 is an enlarged view of the point B in fig. 1 according to the present invention.

In the figure: 1-upper connecting seat, 2-piston rod, 3-buffer spring, 4-lower connecting seat, 5-shock-absorbing cylinder, 6-round groove, 7-square groove, 8-piston plate, 9-reset spring, 10-flow guide pipe, 11-flow guide groove, 12-through hole, 13-exhaust hole, 14-upper gas one-way valve, 15-air inlet pipe, 16-lower gas one-way valve, 17-dust screen and 18-mounting hole.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a damping adjusting part of an electric vehicle comprises an upper connecting seat 1, a piston rod 2 is fixedly connected at the center of the bottom of the upper connecting seat 1, the piston rod 2 and a damping cylinder 5 are both made of stainless steel, the connecting modes of the piston rod 2 and a round groove 6 and a piston plate 8 and a square groove 7 are both in sliding connection, the piston rod 2 made of stainless steel has higher strength and can bear stress generated by repeated friction and is not easy to damage, a buffer spring 3 is fixedly connected at the bottom of the upper connecting seat 1 and at the position far away from the piston rod 2, a lower connecting seat 4 is fixedly connected at the bottom end of the buffer spring 3, the damping cylinder 5 is fixedly connected at the center of the top of the lower connecting seat 4, the round groove 6 is arranged at the top of the damping cylinder 5 and at the position of the piston rod 2, the square groove 7 is arranged at the bottom of the round groove 6, a piston plate 8 is, the length of the piston rod 2 is matched with the length of the shock absorption cylinder 5, the piston plate 8 is made of silica gel, a plurality of through holes 12, exhaust holes 13 and upper gas check valves 14 are arranged, the piston plate 8 made of silica gel has good buffering performance and can reduce the impact force when the piston rod 2 collides with the bottom of the square groove 7, two sides of the center of the bottom of the piston plate 8 are fixedly connected with return springs 9, the return springs 9 are fixedly connected with the square groove 7, the shape of the lower connecting seat 4 is matched with the shape of the upper connecting seat 1, a flow guide pipe 10 is fixedly connected to the left side of the square groove 7 and below the piston plate 8, a flow guide groove 11 is arranged in the shock absorption cylinder 5 and at the position of the flow guide pipe 10, the right side of the flow guide groove 11 is provided with the through hole 12, the right side of the circular groove 6 is provided with the exhaust hole 13, the upper gas check valve 14 is fixedly connected in the exhaust hole 13, an air inlet pipe 15 is fixedly, fixedly connected with is gaseous check valve 16 down in the intake pipe 15, goes up gaseous check valve 14 and only allows the air outflow damper cylinder 5, and just the air inflow damper cylinder 5 is only allowed to gaseous check valve 16 down, and the right side fixedly connected with dust screen 17 of gaseous check valve 16 in the intake pipe 15 and under goes up connecting seat 1 and has all seted up mounting hole 18 on the connecting seat 4 down.

The utility model discloses work flow: during the use, install the device on the electric motor car, when buffer spring 3 was compressed, piston rod 2 can follow circular slot 6 downstream, piston rod 2 of downstream can promote piston plate 8 to descend, piston plate 8 that descends can send the air in square groove 7 into guiding gutter 11 through honeycomb duct 10, the air in guiding gutter 11 can get into circular slot 6 through-hole 12, the air in circular slot 6 can be through exhaust hole 13 exhaust damper 5, take away the heat that produces because the looks mutual friction in piston rod 2 and the damper 5 through the air convection, avoid piston rod 2 and damper 5 high temperature, when piston rod 2 rose, reset spring 9 can promote piston plate 8 and rise, the outside air passes through intake pipe 15 and gets into damper 5, dust screen 17 can prevent the dust in the air entering damper 5.

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 electric motor car shock attenuation adjusting part, includes connecting seat (1), its characterized in that: the shock absorber is characterized in that a piston rod (2) is fixedly connected to the center of the bottom of the upper connecting seat (1), a buffer spring (3) is fixedly connected to the bottom of the upper connecting seat (1) and the position far away from the piston rod (2), a lower connecting seat (4) is fixedly connected to the bottom of the buffer spring (3), a shock absorbing cylinder (5) is fixedly connected to the center of the top of the lower connecting seat (4), a circular groove (6) is formed in the top of the shock absorbing cylinder (5) and the position of the piston rod (2), a square groove (7) is formed in the bottom of the circular groove (6), a piston plate (8) is connected in the square groove (7), a reset spring (9) is fixedly connected to each of two sides of the center of the bottom of the piston plate (8), a guide pipe (10) is fixedly connected to the left side of the square groove (7) and below the piston plate (8), a guide groove (11) is formed, through-hole (12) have been seted up on the right side of guiding gutter (11), exhaust hole (13) have been seted up on the right side of circular slot (6), gaseous check valve (14) have been gone up to exhaust hole (13) internal fixation, the right side of square groove (7) and below fixedly connected with intake pipe (15) at piston plate (8), gaseous check valve (16) under the fixedly connected with in intake pipe (15), just right side fixedly connected with dust screen (17) of gaseous check valve (16) under in intake pipe (15), mounting hole (18) have all been seted up on going up connecting seat (1) and lower connecting seat (4).

2. The electric vehicle shock absorbing adjustment assembly as set forth in claim 1, wherein: the piston rod (2) and the damping cylinder (5) are both made of stainless steel, and the piston rod (2) and the circular groove (6) and the piston plate (8) and the square groove (7) are connected in a sliding mode.

3. The electric vehicle shock absorbing adjustment assembly as set forth in claim 1, wherein: piston plate (8) are made by silica gel, and through-hole (12) and exhaust hole (13) and go up gaseous check valve (14) and all be provided with a plurality ofly.

4. The electric vehicle shock absorbing adjustment assembly as set forth in claim 1, wherein: the shape of the piston plate (8) is matched with that of the square groove (7), and the length of the piston rod (2) is matched with that of the shock absorption cylinder (5).

5. The electric vehicle shock absorbing adjustment assembly as set forth in claim 1, wherein: the upper gas check valve (14) allows only air to flow out of the damper cylinder (5), and the lower gas check valve (16) allows only air to flow into the damper cylinder (5).

6. The electric vehicle shock absorbing adjustment assembly as set forth in claim 1, wherein: the return spring (9) is fixedly connected with the square groove (7), and the shape of the lower connecting seat (4) is matched with that of the upper connecting seat (1).