CN210882448U

CN210882448U - Safety protection device for brake crank of electric vehicle

Info

Publication number: CN210882448U
Application number: CN201921530124.5U
Authority: CN
Inventors: 王昌英
Original assignee: Hangzhou Duning Network Technology Co ltd
Current assignee: Hangzhou Duning Network Technology Co ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-06-30
Anticipated expiration: 2029-09-16

Abstract

The utility model discloses an electric motor car brake lever safety device, including brake lever and handlebar, the brake lever is connected with two device poles through locking mechanism with the junction of handlebar, the front end lateral wall of device pole is equipped with the spout, be equipped with elastic mechanism in the spout, the front side of brake lever is equipped with the protection casing of being connected with elastic mechanism, the terminal back lateral wall of protection casing is fixed with the connecting pipe, the end of handlebar is equipped with the screw thread mouth, be equipped with the inflator in the screw thread mouth, the outer wall of inflator is equipped with the screw thread mouth meshing, be equipped with the mechanism of aerifing of being connected with the connecting pipe in the inflator, the back lateral wall of protection casing is equipped with the arc wall, be equipped with buffer gear in the arc wall. The utility model discloses it is rational in infrastructure, can provide the biggest protection for the hand when the collision takes place to simple to operate.

Description

Safety protection device for brake crank of electric vehicle

Technical Field

The utility model relates to an electric motor car technical field especially relates to an electric motor car brake lever safety device.

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.

Brake lever is all installed to present electric motor car, plays the effect of braking, and because electric motor car brake lever position all is naked mostly to the palm also exposes outward, owing to the in-process of traveling, two palms are located the front side, runs into the collision of side, injures the hand very easily, so an urgent need can brake lever safety protection's device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the electric motor car brake lever safety device who provides, it can provide the biggest protection for the hand when the collision that traveles to simple to operate.

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

the utility model provides an electric motor car brake lever safety device, includes brake lever and handlebar, the brake lever is connected with two device poles through locking mechanism with the junction of handlebar, the front end lateral wall of device pole is equipped with the spout, be equipped with elastic mechanism in the spout, the front side of brake lever is equipped with the protection casing of being connected with elastic mechanism, the terminal rear side wall of protection casing is fixed with the connecting pipe, the end of handlebar is equipped with the screw thread mouth, be equipped with the inflator in the screw thread mouth, the outer wall of inflator be equipped with screw thread mouth meshing, be equipped with the mechanism of aerifing of being connected with the connecting pipe in the inflator, the rear side wall of protection casing is equipped with the arc wall, be equipped with buffer gear in the arc wall.

Preferably, locking mechanism is including setting up the mounting hole that sets up on brake lever, handlebar junction lateral wall and device pole lateral wall are corresponding to two sets of settings, two pass through bolted connection between the device pole, the bolt runs through the mounting hole, the end of bolt is through nut locking.

Preferably, the elastic mechanism comprises a guide rod fixed between the inner walls of the sliding groove, a connecting rod penetrates through the guide rod, the tail end of the connecting rod is fixedly connected with the root of the protective cover, and a first spring is sleeved between the connecting rod and the inner wall of the sliding groove on the guide rod.

Preferably, the inflation mechanism comprises a piston arranged in the cylinder, the tail end of the connecting pipe extends into the cylinder and is fixedly connected with the piston in a penetrating mode, and the bottom of the piston is elastically connected with the inner wall of the bottom of the cylinder through a second spring.

Preferably, the buffer mechanism comprises an elastic air bag bonded between the inner walls of the arc-shaped grooves, and the elastic air bag is communicated with the connecting pipe through an air pipe.

Preferably, a sponge pad is adhered to the outer surface of the elastic air bag.

Compared with the prior art, the utility model, its beneficial effect does:

1. during the installation, only need with the inflator precession in the screw thread mouth on the handlebar, two device poles pass through the mounting hole of bolt fastening on brake lever and handlebar, accomplish the installation promptly, it is convenient to install.

2. When the collision happens, the protection casing installed at the front side of the brake crank can play the most direct buffering protection role under the elastic action of the first spring and the second spring, when the collision is serious, the gas in the inflator can be instantly squeezed into the elastic air bag, and the elastic air bag is inflated and expanded to further protect the hands.

Drawings

Fig. 1 is a schematic view of an installation structure of a safety protection device for a brake lever of an electric vehicle, which is provided by the utility model;

fig. 2 is a schematic view of a brake lever and a handle of the safety device for a brake lever of an electric vehicle according to the present invention;

fig. 3 is a schematic view of a protection state of the safety protection device for the brake lever of the electric vehicle provided by the utility model;

fig. 4 is the utility model provides an electric motor car brake lever safety device's protection casing front schematic diagram.

In the figure: the device comprises a handlebar 1, a brake lever 2, a guide rod 3, a sliding groove 4, a first spring 5, a device rod 6, a bolt 7, a connecting rod 8, an elastic air bag 9, a spongy cushion 10, a protective cover 11, a connecting pipe 12, a piston 13, an air cylinder 14, a second spring 15, a threaded opening 16, a mounting hole 17, an arc-shaped groove 18 and a nut 19.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1-4, an electric motor car brake lever safety device, including brake lever 2 and handlebar 1, the junction of brake lever 2 and handlebar 1 is connected with two device poles 6 through locking mechanism, locking mechanism is including setting up at brake lever 2, on the lateral wall of handlebar 1 junction and two sets of mounting holes 17 that correspond the setting on the lateral wall of device pole 6, connect through bolt 7 between two device poles 6, bolt 7 runs through mounting hole 17, the end of bolt 7 is locked through nut 19, during the installation, place two device poles 6 respectively in the top and the below of brake lever 2, with mounting hole 17 on the device pole 6 corresponding mounting hole 17 on brake lever 2 and handlebar 1, insert bolt 7, lock through nut 19.

The front end lateral wall of the device rod 6 is provided with a sliding groove 4, an elastic mechanism is arranged in the sliding groove 4, the front side of the brake lever 2 is provided with a protective cover 11 connected with the elastic mechanism, the elastic mechanism comprises a guide rod 3 fixed between the inner walls of the sliding groove 4, a connecting rod 8 penetrates through the guide rod 3, the tail end of the connecting rod 8 is fixedly connected with the root of the protective cover 11, a first spring 5 is sleeved between the inner wall of the connecting rod 8 and the inner wall of the sliding groove 4 on the guide rod 3, a connecting pipe 12 is fixed on the rear lateral wall of the tail end of the protective cover 11, the tail end of the handlebar 1 is provided with a threaded port 16, an inflator 14 is arranged in the threaded port 16, the outer wall of the inflator 14 is provided with threads meshed with the threaded port 16, and.

The inflator 14 is internally provided with an inflating mechanism connected with the connecting pipe 12, the inflating mechanism comprises a piston 13 arranged in the inflator 14, the tail end of the connecting pipe 12 extends into the inflator 14 and is fixedly connected with the piston 13 in a penetrating mode, the bottom of the piston 13 is elastically connected with the inner wall of the bottom of the inflator 14 through a second spring 15, the rear side wall of the protective cover 11 is provided with an arc-shaped groove 18, a buffering mechanism is arranged in the arc-shaped groove 18 and comprises an elastic air bag 9 bonded between the inner walls of the arc-shaped groove 18, the elastic air bag 9 is communicated with the connecting pipe 12 through an air pipe, a sponge pad 10 is bonded on the outer surface of the elastic air bag 9, when collision is serious, the connecting pipe 12 pushes the piston 13 to move backwards, gas in the inflator 14 is instantly squeezed into the elastic air bag 9, the elastic air bag 9 is inflated to cover the position of a hand.

The utility model discloses in, during the installation, only need in the screw thread mouth 16 with inflator 14 precession handlebar 1 end, place two device poles 6 respectively in the top and the below of brake lever 2 again, the mounting hole 17 on the device pole 6 corresponds the mounting hole 17 on brake lever 2 and the handlebar 1, insert bolt 7, lock through nut 19, protection casing 11 is located the place ahead of brake lever 2 and protects this moment, when the vehicle takes place to bump to the side, protection casing 11 plays certain cushioning effect under the elastic action of first spring 5 and second spring 15, when the collision is comparatively serious, connecting pipe 12 promotes piston 13 and moves backward, with the gas in inflator 14 squeeze into in the elastic airbag 9 in the twinkling of an eye, elastic airbag 9 aerifys the inflation, cover the hand position, further provide the buffer protection, avoid striking the finger.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an electric motor car brake lever safety device, includes brake lever (2) and handlebar (1), its characterized in that, the junction of brake lever (2) and handlebar (1) is connected with two device poles (6) through locking mechanism, the front end lateral wall of device pole (6) is equipped with spout (4), be equipped with elastic mechanism in spout (4), the front side of brake lever (2) is equipped with protection casing (11) of being connected with elastic mechanism, the terminal rear side wall of protection casing (11) is fixed with connecting pipe (12), the end of handlebar (1) is equipped with screw thread (16), be equipped with inflator (14) in screw thread (16), the outer wall of inflator (14) is equipped with the screw thread of meshing with screw thread (16), be equipped with the mechanism of aerifing of being connected with connecting pipe (12) in inflator (14), the rear side wall of protection casing (11) is equipped with arc wall (18), a buffer mechanism is arranged in the arc-shaped groove (18).

2. The electric vehicle brake lever safety protection device according to claim 1, wherein the locking mechanism comprises two sets of correspondingly arranged mounting holes (17) arranged on the side wall of the joint of the brake lever (2) and the handlebar (1) and on the side wall of the device rod (6), the two device rods (6) are connected through a bolt (7), the bolt (7) penetrates through the mounting holes (17), and the tail end of the bolt (7) is locked through a nut (19).

3. The safety protection device for the brake lever of the electric vehicle as claimed in claim 1, wherein the elastic mechanism comprises a guide rod (3) fixed between the inner walls of the sliding groove (4), a connecting rod (8) penetrates through the guide rod (3), the tail end of the connecting rod (8) is fixedly connected with the root of the protection cover (11), and a first spring (5) is sleeved between the connecting rod (8) and the inner wall of the sliding groove (4) on the guide rod (3).

4. The electric vehicle brake crank safety protection device according to claim 1, wherein the inflation mechanism comprises a piston (13) arranged in a cylinder (14), the end of the connecting pipe (12) extends into the cylinder (14) and is fixedly connected with the piston (13) in a penetrating manner, and the bottom of the piston (13) is elastically connected with the inner wall of the bottom of the cylinder (14) through a second spring (15).

5. The electric vehicle brake crank safety protection device according to claim 1, wherein the buffer mechanism comprises an elastic air bag (9) adhered between the inner walls of the arc-shaped grooves (18), and the elastic air bag (9) is communicated with the connecting pipe (12) through an air pipe.

6. The electric vehicle brake crank safety protection device according to claim 5, wherein the outer surface of the elastic air bag (9) is adhered with a sponge pad (10).