Brake cable of electric vehicle

Abstract

The utility model belongs to the technical field of brake cables, and discloses an electric vehicle brake cable which comprises a reset spring and further comprises an outer sleeve assembly used for external fixation, a cable core assembly used for pulling force application penetrates through the outer sleeve assembly, and the cable core assembly is connected with the outer sleeve assembly in a sliding mode. The outer sleeve assembly comprises an outer sleeve, positioning heads are arranged at the two ends of the outer sleeve respectively, a threaded pipe is arranged on the positioning head at the first end, and two locking nuts are installed on the threaded pipe. The wire core assembly comprises an inner wire core, a protective layer is arranged on the surface of the inner wire core, and a limiting assembly and an adjusting assembly are arranged at the two ends of the inner wire core respectively; the reset spring is arranged between the locking nut and the adjusting assembly. According to the brake cable of the electric vehicle, due to the arrangement of the nylon protective layer, the anti-rust performance of the brake cable is improved, and the service life of the brake cable is prolonged; and through the single-end double-adjustment arrangement, the applicability is improved, and the installation convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to brake cable technical field, especially, relate to a kind of electric vehicle brake cable. BACKGROUND

[0002] Electric vehicle brake cable is the important component of electric vehicle brake system, for transmitting brake signal and realizing brake function. The total length of brake cable remains unchanged, when holding, the length of the part between the upper end of brake cable and the upper end of cable tube increases, while the length of cable tube itself remains unchanged, so the length of the part between the lower end of cable tube and the lower end of brake cable must decrease, thereby pushing brake action.

[0003] The utility model discloses a kind of electric vehicle brake cables, including brake cable, brake cable shell and threaded rod, the brake cable one end is fixedly connected with threaded rod, the other end is equipped with movable joint mechanism, the brake cable is externally equipped with brake cable shell, and both are movably connected, the threaded rod is equipped with limiting mechanism.

[0004] But the inner wire surface of the above-mentioned patent lacks protection, is exposed for a long time, is easy to rust, seriously affects service life, and only brake cable length can be adjusted, shell length cannot be adjusted, poor applicability, affect the convenience of installation, so a new device is designed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of electric vehicle brake cable to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of electric vehicle brake cable, including reset spring, further including outer sleeve assembly for external fixation, the outer sleeve assembly is penetrated with wire core assembly for pulling force, the wire core assembly and the outer sleeve assembly are slidably connected;The outer sleeve assembly includes sleeve pipe, the sleeve pipe both ends are respectively provided with positioning head, the positioning head on first end is provided with threaded pipe, two lock nuts are installed on the threaded pipe, the positioning head on second end is installed with conversion assembly;The wire core assembly includes inner wire core, the inner wire core surface is provided with protective layer, the inner wire core both ends are respectively provided with limiting component and adjusting assembly;The reset spring is arranged between the lock nut and the adjusting assembly.

[0008] Further, the protective layer is made of nylon material.

[0009] Further, the limiting component includes limiting head, and a movable joint is installed on the limiting head.

[0010] Further, the movable joint is cylindrical, and the limiting head is rotationally connected.

[0011] Further, the adjusting assembly comprises an adjusting screw, an adjusting nut is arranged on the adjusting screw, a brake pin is arranged on one side of the adjusting nut, and the brake pin is slidably connected with the adjusting screw.

[0012] Further, one end of the adjusting screw is riveted with the inner wire core.

[0013] Further, the conversion assembly comprises a conversion sleeve, and the conversion sleeve is provided with a slit.

[0014] Compared with the prior art, the beneficial effects are:

[0015] 1. The rust-proof performance of the brake wire is improved by the nylon protective layer, and the service life is prolonged.

[0016] 2. The applicability is improved, and the installation convenience is improved by the single-end double-adjustment.

[0017] 3. The quick conversion assembly is arranged, so that different connection installations can be quickly switched. DETAILED DESCRIPTION

[0018] Figure 1 is a structural schematic view of the electric vehicle brake wire;

[0019] Figure 2 is a schematic view of the sleeve assembly of the electric vehicle brake wire;

[0020] Figure 3 is a schematic view of the wire core assembly of the electric vehicle brake wire;

[0021] Figure 4 is an enlarged view of A of the electric vehicle brake wire.

[0022] In the drawings: 101, sleeve pipe; 102, positioning head; 103, threaded pipe; 104, locking nut; 105, conversion sleeve; 106, slit; 201, inner wire core; 202, limiting head; 203, movable joint; 204, adjusting screw; 205, brake pin; 206, adjusting nut; 207, protective layer; 3, return spring. DETAILED DESCRIPTION

[0023] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0024] Please refer to Figures 1-4 The electric vehicle brake cable comprises a reset spring 3, further comprises a sleeve assembly for external fixation, a wire core assembly for pulling force is penetrated in the sleeve assembly, and the wire core assembly and the sleeve assembly are in sliding connection.

[0025] In the embodiment, the sleeve assembly comprises a sleeve pipe 101, the sleeve pipe 101 is provided with a positioning head 102 at two ends, a threaded pipe 103 is arranged on the first end positioning head 102, two locking nuts 104 are installed on the threaded pipe 103, and a conversion assembly is installed on the second end positioning head 102; the conversion assembly comprises a conversion sleeve 105, and the conversion sleeve 105 is provided with a slit 106; the second end positioning head 102 of the sleeve pipe 101 is installed on a handlebar (the conversion sleeve 105 is installed on the positioning head 102 through the slit 106 as required), the first end positioning head 102 with the threaded pipe 103 is connected to a brake, the position is adjusted by rotating the locking nut 104 along the threaded pipe 103 first, and then the two locking nuts 104 are tightened for fixation.

[0026] In the embodiment, the wire core assembly comprises an inner wire core 201, a protective layer 207 is arranged on the surface of the inner wire core 201, the protective layer 207 is made of nylon material, and a limiting assembly and an adjusting assembly are arranged at two ends of the inner wire core 201 respectively; the limiting assembly comprises a limiting head 202, a movable joint 203 is installed on the limiting head 202, the movable joint 203 is in the form of a cylinder and is in rotary connection with the limiting head 202; the adjusting assembly comprises an adjusting screw 204, an adjusting nut 206 is installed on the adjusting screw 204, a brake pin 205 is arranged on one side of the adjusting nut 206, the brake pin 205 and the adjusting screw 204 are in sliding rotary connection, one end of the adjusting screw 204 and the inner wire core 201 are riveted together, and the reset spring 3 is arranged between the locking nut 104 and the brake pin 205; the movable joint 203 on the limiting head 202 is inserted into a brake handle, the adjusting screw 204 is sequentially threaded through the reset spring 3, a brake lever rocker arm and the brake pin 205, and the adjusting nut 206 is screwed from the end of the adjusting screw 204, the force distance is adjusted, when braking, the brake handle is pressed, one end of the inner wire core 201 is pulled through the movable joint 203, the other end of the inner wire core 201 pulls the brake pin 205 through the adjusting screw 204, the brake lever rocker arm is pushed to swing to brake, and the reset spring 3 is compressed, the brake handle is released, the reset spring 3 is released in elasticity, the brake lever rocker arm is reset, and the brake handle is reset through the inner wire core 201 in reverse pulling.

[0027] Working principle: install the positioning head 102 of the second end of the outer sleeve 101 on the handlebar (as needed, install the conversion sleeve 105 on the positioning head 102 through the slit 106), connect the positioning head 102 with the threaded pipe 103 of the first end on the brake, first adjust the position along the threaded pipe 103, then tighten the two locking nuts 104, then insert the movable joint 203 on the limiting head 202 into the brake handle, then pass the adjusting screw 204 through the reset spring 3, the brake rocker arm and the brake pin 205 in sequence, then screw the adjusting nut 206 from the end of the adjusting screw 204, adjust the force distance, when braking, the outer sleeve 101 is fixed, press the brake handle, pull one end of the inner core 201 through the movable joint 203, pull the brake pin 205 through the adjusting screw 204 with the other end of the inner core 201, push the brake rocker arm to swing to brake, and compress the reset spring 3, release the brake handle, release the reset spring 3, push the brake rocker arm to reset, and reset the brake handle through the reverse pulling of the inner core 201.

[0028] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An electric vehicle brake cable comprising a return spring (3), characterized in that: Also include the outer fixed outer sleeve assembly, the outer sleeve assembly is through for the line core assembly of pulling force, the line core assembly and the outer sleeve assembly sliding connection are included in; The outer sleeve assembly includes an outer sleeve (101), both ends of the outer sleeve (101) are provided with a positioning head (102), a threaded pipe (103) is arranged on the positioning head (102) of the first end, two lock nuts (104) are installed on the threaded pipe (103), and a conversion assembly is installed on the positioning head (102) of the second end; The line core assembly includes an inner line core (201), a protective layer (207) is arranged on the surface of the inner line core (201), and a limiting assembly and an adjusting assembly are arranged at both ends of the inner line core (201); The reset spring (3) is arranged between the lock nut (104) and the adjusting assembly.

2. The brake cable for electric vehicles as claimed in claim 1, wherein: The protective layer (207) is made of nylon material.

3. The brake cable for electric vehicles of claim 1, wherein: The limiting assembly includes a limiting head (202), and a movable joint (203) is installed on the limiting head (202).

4. The brake cable for an electric vehicle of claim 3, wherein: The movable joint (203) is cylindrical and rotationally connected with the limiting head (202).

5. The brake cable for electric vehicles of claim 1, wherein: The adjusting assembly includes an adjusting screw (204), an adjusting nut (206) is installed on the adjusting screw (204), a brake pin (205) is arranged on one side of the adjusting nut (206), and the brake pin (205) and the adjusting screw (204) are slidingly connected.

6. The brake cable for an electric vehicle of claim 5, wherein: One end of the adjusting screw (204) is riveted with the inner line core (201).

7. The brake cable for an electric vehicle of claim 1, wherein: The conversion assembly includes a conversion sleeve (105), and a slit (106) is arranged on the conversion sleeve (105).

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