CN210739192U

CN210739192U - Anti-slip device for parking brake of vehicle

Info

Publication number: CN210739192U
Application number: CN201921786871.5U
Authority: CN
Inventors: 韦宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-06-12
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses a vehicle parking braking anti-slip device, which comprises a parking component arranged on a vehicle transmission shaft, wherein the parking component comprises a one-way brake sleeved on the vehicle transmission shaft, the one-way brake comprises an outer ring brake disc, an inner ring rotating disc and a one-way brake mechanism positioned between the outer ring brake disc and the inner ring rotating disc, and the inner ring rotating disc and the transmission shaft synchronously rotate; the parking assembly further comprises a clamping device which is arranged at the bottom of the vehicle and used for limiting the outer ring brake disc to rotate. The utility model discloses in the centre gripping through clamping device restriction outer lane brake disc rotates, because one-way arrestment mechanism's restriction, at this moment the inner circle rolling disc can only rotate to a direction, because inner circle rolling disc and transmission shaft rotate in step, so at this moment the transmission shaft also can only rotate toward a direction to can restrict the swift current slope of vehicle toward another direction.

Description

Anti-slip device for parking brake of vehicle

Technical Field

The utility model belongs to the automobile field especially relates to a swift current device is prevented in vehicle parking braking.

Background

The current society automobile industry is high-speed to develop, and the vehicle is more and more extensive becomes the indispensable instrument of riding instead of walk of people's trip, and the car drives the school and bloies everywhere, and new driver is more and more, and this has proposed higher requirement to the security performance of vehicle, along with the increase in underground parking area, under the environment of china population kingdom, the condition of waiting for the car on the underground parking area ramp is more and more, in case a certain car appears the swift current slope phenomenon, can influence a lot of vehicles.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a swift current device is prevented in vehicle parking braking.

The utility model discloses an innovation point lies in the utility model discloses a device can prevent when vehicle starting that the swift current slope phenomenon of non-driver's wish from appearing in the vehicle and can not influence the vehicle when making vehicle starting and go to a direction one-way.

In order to realize the purpose of the utility model, the technical proposal of the utility model is that: a parking braking anti-slip device for a vehicle comprises a parking assembly arranged on a transmission shaft of the vehicle, wherein the parking assembly comprises a one-way brake sleeved on the transmission shaft of the vehicle, the one-way brake comprises an outer ring brake disc, an inner ring rotating disc and a one-way braking mechanism positioned between the outer ring brake disc and the inner ring rotating disc, and the inner ring rotating disc and the transmission shaft synchronously rotate; the parking assembly further comprises a clamping device which is arranged at the bottom of the vehicle and used for limiting the outer ring brake disc to rotate. The outer ring brake disc is limited by the clamping of the clamping device to stop rotating, the inner ring rotating disc can only rotate towards one direction due to the limitation of the one-way brake mechanism, and the transmission shaft can only rotate towards one direction but cannot rotate towards the other direction due to the synchronous rotation of the inner ring rotating disc and the transmission shaft, so that the vehicle can be limited to slide towards the slope of the other direction.

Further, the one-way brake is a one-way bearing.

Further, the one-way brake mechanism is a ratchet mechanism.

Further, clamping device includes two L type centre gripping arms, two L type centre gripping arm hinges form U type structure, U type structure hinge point department is fixed in the vehicle bottom through the centre gripping support, U type structure both sides arm inboard is equipped with the friction disc that the symmetry set up, two friction discs are located the both sides face or the arcwall face of outer lane brake disc during the centre gripping, line between two friction discs and the diameter coincidence of outer lane brake disc and friction disc and outer lane brake disc contact surface are the arcwall face that matches with the outer lane brake disc when being located the arcwall face, the both sides arm free end department of U type structure is equipped with the adjusting device of control U type structure opening size. The friction plate is in contact with or not in contact with the outer ring brake disc through the size of the U-shaped opening, so that the outer ring brake disc is controlled to rotate or not rotate.

Further, adjusting device is equipped with the pulley support including connecting the manual brake of U type structure both sides arm free end portion and acting as go-between, making friction disc and outer lane brake disc detached return spring, pulley and manual brake device, the vehicle bottom still, the pulley support is located the center of U type structure open end department, is equipped with two pulleys on the pulley support, and two manual brakes act as go-between and walk around two pulleys respectively and the manual brake device is connected. The hand brake device is pulled, the hand brake stay wire is tightened through the pulley, the arms on the two sides of the U-shaped structure are folded, the outer ring brake disc is clamped tightly by the friction plate, after the hand brake device is loosened, the arms on the two sides of the U-shaped structure are separated by the return spring under the action of elastic force, and the friction plate and the outer ring brake disc are separated.

Furthermore, adjusting supports are arranged on the outer sides of the two side arms of the U-shaped structure and fixed to the bottom of the vehicle, and the adjusting supports are connected with the free end portions of the two side arms of the U-shaped structure through return springs. After the hand brake device is loosened, the adjusting bracket pulls the arms at the two sides of the U-shaped structure apart through the return spring, and the friction plate and the outer ring brake disc are separated.

Furthermore, the free end parts of the two side arms of the U-shaped structure are provided with through holes, two ends of a return spring attachment rod respectively penetrate through the two through holes, the end part of the return spring attachment rod is provided with a limiting part for limiting the two side arms of the U-shaped structure to slide out, and a return spring is sleeved on the return spring attachment rod and is located between the free end parts of the two side arms of the U-shaped structure. After the hand brake device is loosened, the arms on two sides of the U-shaped structure are unfolded by the return springs, and the friction plate and the outer ring brake disc are separated.

Further, the surface of the outer ring brake disc is provided with a wear-resistant layer. The outer ring brake disc is not easy to wear.

Furthermore, two groups of parking assemblies are arranged on the transmission shaft, and the directions of one-way brakes of the two groups of parking assemblies are opposite. The braking in the front and back directions can be realized, and the slope slipping in the front and back directions is prevented. When parking, the two parking assemblies are tightened, and when starting, if the two parking assemblies can be loosened on the flat ground; if a parking component which can not move forwards when being tensioned is loosened on an ascending road, and the parking component which can not move backwards when being tensioned is tensioned, the backward slope slipping can be prevented, and the parking component can be loosened after the vehicle runs normally; if backing a car on a downhill, loosening a parking component which can not move backwards when being tensioned, and tensioning a parking component which can not move forwards when being tensioned, the parking component can prevent the parking component from sliding forwards and loosening after normal driving.

The utility model has the advantages that:

1. the utility model discloses in when rotating through clamping device centre gripping restriction outer lane brake disc, because one-way arrestment mechanism's restriction, the inner circle rolling disc can only rotate to a direction, because inner circle rolling disc and transmission shaft rotate in step, so make the transmission shaft also can only rotate toward a direction and can't rotate to another direction to can restrict the swift current slope of vehicle toward a direction.

2. The utility model discloses in can also install the braking of two directions around the one way brake opposite direction realizes through two on the transmission shaft, swift current slope before preventing and swift current slope after.

Drawings

Fig. 1 is a schematic view of a parking assembly in embodiment 1.

Fig. 2 is a schematic structural view of the one-way brake of embodiment 1.

Fig. 3 is a schematic view of the parking assembly in embodiment 2.

Fig. 4 is a schematic structural view of the one-way brake of embodiment 2.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

Example 1: as shown in fig. 1 and 2, the vehicle parking braking anti-slip device comprises a parking assembly installed on a vehicle transmission shaft, wherein the parking assembly comprises a one-way brake 2 sleeved on the vehicle transmission shaft 1, the one-way brake 2 is a one-way bearing, the one-way brake 2 comprises an outer ring brake disc 3, an inner ring rotating disc 4 and a one-way brake mechanism 5 positioned between the outer ring brake disc 3 and the inner ring rotating disc 4, and a wear-resistant layer is arranged on the surface of the outer ring brake disc 3. The inner ring rotating disc 4 and the transmission shaft 1 synchronously rotate, and the parking assembly further comprises a clamping device 6 which is arranged at the bottom of the vehicle and limits the outer ring brake disc 3 to rotate. The clamping device 6 comprises two L-shaped clamping arms 7, the two L-shaped clamping arms 7 are hinged to form a U-shaped structure, the hinge point of the U-shaped structure is fixed to the bottom of the vehicle through a clamping support, friction plates 8 symmetrically arranged are arranged on the inner sides of two side arms of the U-shaped structure, the two friction plates are located on two side faces of the outer ring brake disc 3 during clamping, and adjusting devices 9 for controlling the size of an opening of the U-shaped structure are arranged at the free end portions of the two side arms of the U-shaped structure. Adjusting device 9 is including connecting the manual brake of U type structure both sides arm free end portion and acting as go-between 10, make friction disc and outer lane brake disc detached return spring 11, pulley 12 and manual brake device 13, and the vehicle bottom still is equipped with the pulley support, and the pulley support is located the center of U type structure opening end department, is equipped with two pulleys 12 on the pulley support, and two manual brakes act as go-between 10 and are connected around two pulleys and manual brake device 13 respectively. The free end parts of the arms on the two sides of the U-shaped structure are provided with through holes 15, the two ends of a return spring attachment rod 16 penetrate through the two through holes 15 respectively, the end part of the return spring attachment rod 16 is provided with a limiting part 17 for limiting the arms on the two sides of the U-shaped structure to slide out, and a return spring 11 is sleeved on the return spring attachment rod 16 and is located between the free end parts of the arms on the two sides of the U-shaped structure.

Pulling manual brake device 13, the manual brake is acted as go-between 10 and is reduced U type structure both sides arm opening through pulley 12, friction disc 8 presss from both sides outer lane brake disc 3 tightly, outer lane brake disc 3 is fixed this moment, inner circle rolling disc 4 can only rotate to a direction and make transmission shaft 1 also can only rotate to a direction, the wheel of vehicle drives pivoted by transmission shaft 1, consequently, make the wheel also can only rotate to a direction, the swift current slope of vehicle has been avoided, manual brake device 13 loosens the back, return spring 11 is opened U type structure both sides arm bullet, make friction disc 8 keep away from outer lane brake disc 3, outer lane brake disc 3 is unset this moment, do not have the structure of restriction transmission shaft 1 pivoted.

Example 2: as shown in fig. 3 and 4, the anti-slip device for parking braking of the vehicle comprises two groups of parking assemblies arranged on a vehicle transmission shaft 1, each parking assembly comprises a one-way brake 2 sleeved on the vehicle transmission shaft 1, and the directions of the one-way brakes 2 in the two groups of parking assemblies are opposite. The one-way brake 2 comprises an outer ring brake disc 3, an inner ring rotating disc 4 and a one-way brake mechanism 5 positioned between the outer ring brake disc 3 and the inner ring rotating disc 4, wherein the one-way brake mechanism 5 is a ratchet mechanism. The inner ring rotating disc 3 and the transmission shaft 1 synchronously rotate, and the parking assembly further comprises a clamping device 6 which is arranged at the bottom of the vehicle and used for limiting the outer ring brake disc 3 to rotate. Clamping device 6 includes two L type centre gripping arms 7, two L type centre gripping arms 7 hinges form U type structure, U type structure hinge point department fixes in the vehicle bottom through the centre gripping support, U type structure both sides arm inboard is equipped with the friction disc 8 that the symmetry set up, two friction discs 8 are located the arcwall face of outer lane brake disc 3 during the centre gripping, line between two friction discs 8 on two L type centre gripping arms 7 and the diameter coincidence of outer lane brake disc 3 and friction disc 8 and the contact surface of outer lane brake disc 3 are the arcwall face that matches with outer lane brake disc 3, the both sides arm free end department of U type structure is equipped with controlling U type structure opening size's adjusting device 9. Adjusting device 9 is including connecting the manual brake of U type structure both sides arm free end portion and acting as go-between 10, make friction disc and outer lane brake disc detached return spring 11, pulley 12 and manual brake device 13, and the vehicle bottom still is equipped with the pulley support, and the pulley support is located the center of U type structure opening end department, is equipped with two pulleys 12 on the pulley support, and two manual brakes act as go-between 10 and are connected around two pulleys and manual brake device 13 respectively. Adjusting brackets 14 are arranged on the outer sides of two side arms of the U-shaped structure, the adjusting brackets 14 are fixed at the bottom of a vehicle, and the adjusting brackets 14 are connected with the free end parts of the two side arms of the U-shaped structure through return springs 11.

The embodiments described above are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Claims

1. The anti-slip device for parking braking of the vehicle is characterized by comprising a parking assembly arranged on a transmission shaft of the vehicle, wherein the parking assembly comprises a one-way brake sleeved on the transmission shaft of the vehicle, the one-way brake comprises an outer ring brake disc, an inner ring rotating disc and a one-way brake mechanism positioned between the outer ring brake disc and the inner ring rotating disc, and the inner ring rotating disc and the transmission shaft synchronously rotate; the parking assembly further comprises a clamping device which is arranged at the bottom of the vehicle and used for limiting the outer ring brake disc to rotate.

2. The vehicle parking brake anti-creep device of claim 1, wherein the one-way brake is a one-way bearing.

3. The vehicle parking brake anti-creep device of claim 1, wherein the one-way brake mechanism is a ratchet mechanism.

4. The parking brake anti-slip device according to claim 1, wherein the clamping device comprises two L-shaped clamping arms hinged to form a U-shaped structure, the hinge point of the U-shaped structure is fixed to the bottom of the vehicle through a clamping bracket, the inner sides of the two side arms of the U-shaped structure are provided with symmetrically arranged friction plates, the two friction plates are positioned on the two side surfaces or arc surfaces of the outer ring brake disc during clamping, when the friction plates are positioned on the arc surfaces, the connecting line between the two friction plates is coincident with the diameter of the outer ring brake disc, the contact surfaces of the friction plates and the outer ring brake disc are arc surfaces matched with the outer ring brake disc, and the free end portions of the two side arms of the U-shaped structure are provided with adjusting devices for controlling the.

5. The parking brake anti-slip device for the vehicle as claimed in claim 4, wherein the adjusting device comprises a hand brake cable connected to the free ends of the two side arms of the U-shaped structure, a return spring for separating the friction plate from the outer ring brake disc, a pulley and a hand brake device, the bottom of the vehicle is further provided with a pulley bracket, the pulley bracket is located at the center of the opening end of the U-shaped structure, the pulley bracket is provided with two pulleys, and the two hand brake cables are respectively connected with the hand brake device by bypassing the two pulleys.

6. The parking brake anti-slip device for vehicle according to claim 5, wherein an adjusting bracket is arranged outside the two side arms of the U-shaped structure, the adjusting bracket is fixed at the bottom of the vehicle, and the adjusting bracket and the free end parts of the two side arms of the U-shaped structure are connected through a return spring.

7. The parking brake anti-slip device according to claim 5, wherein the free ends of the arms of the U-shaped structure are provided with through holes, the two ends of a return spring attachment rod respectively pass through the through holes, the end of the return spring attachment rod is provided with a limiting member for limiting the arms of the U-shaped structure from sliding out, and the return spring is sleeved on the return spring attachment rod and positioned between the free ends of the arms of the U-shaped structure.

8. The vehicle parking brake anti-creep device of claim 1, wherein the outer ring brake disc surface is provided with a wear resistant layer.

9. The vehicle parking brake anti-skid device according to claim 1, wherein two parking assemblies are provided on the transmission shaft, and the one-way brakes of the two parking assemblies are in opposite directions.