Cooling device for brake pad of electric vehicle

Abstract

The utility model discloses a cooling device for a brake pad of an electric vehicle, which relates to the technical field of vehicle braking, and aims to solve the problems that the performance is reduced and the driving safety is endangered due to overheating of the brake pad in the prior art, the cooling device comprises a frame and a rear axle, rear wheels are rotatably connected to two ends of the rear axle, and the brake pad is arranged between the rear axle and the rear wheels. A water inlet pipe and a breathing pipe are arranged at the top of the water tank, a water outlet pipe is arranged at the bottom of the water tank, the water tank is fixed on the frame through the hanging frame, a water pump is arranged at the top of the water tank, and a water outlet of the water pump is connected with a spray head through a pipeline. The heat fade phenomenon caused by long-term high-temperature friction between the brake drum and the brake pad is prevented, so that the response speed and stability of a brake system are greatly improved, the service life of the brake pad is effectively prolonged, the danger of brake failure caused by high temperature is avoided, the driving safety and smoothness of an electric vehicle under various use conditions are ensured, and the service life of the electric vehicle is prolonged. The system is an important safety guarantee system in the use process of the electric vehicle.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle braking, in particular to a brake pad cooling device for an electric vehicle. Background Art

[0002] Brake pads, also called brake pads, are the most critical safety parts in the vehicle's braking system. The quality of all braking effects is determined by brake pads. Brake pads are generally composed of steel plates, adhesive insulation layers and friction blocks. The insulation layer is composed of non-heat-conducting materials for the purpose of heat insulation; the friction block is composed of friction materials and adhesives. During braking, it is squeezed on the brake disc and brake drum to generate friction, thereby achieving the purpose of vehicle deceleration and braking.

[0003] When braking for a long time, the brake drum and brake pads continue to rub and heat up, causing the brake drum and brake pads to overheat and brake thermal decay, which leads to a serious decline in braking performance and even brake failure, seriously endangering driving safety.

[0004] In order to solve the above problems, the brake pads need to be cooled. Therefore, the present application provides an electric vehicle brake pad cooling device to meet the needs. Utility Model Content

[0005] The purpose of the present application is to provide a brake pad cooling device for an electric vehicle, which sprays water on the brake pad to cool it down, making the braking stable and effective and ensuring driving safety.

[0006] To achieve the above purpose, the present application provides the following technical solution, a brake pad cooling device for an electric vehicle, comprising:

[0007] A vehicle frame and a rear axle, wherein the rear axle is located below the vehicle frame, both ends of the rear axle are rotatably connected to rear wheels, and a brake pad is provided between the rear axle and the rear wheels;

[0008] A water tank, the water tank is a cubic shell, a water inlet pipe and a breathing pipe are provided on the top of the water tank, the breathing pipe is used to balance the pressure inside and outside the water tank, and a water outlet pipe is provided on the bottom of the water tank;

[0009] A hanger, the hanger is an L-shaped member, there are two sets of the hangers and they are symmetrically connected to the water tank, the hangers connect the bottom surface and the front side surface of the water tank, and the top of the hanger is provided with a mounting hole, and the mounting hole is used for the hanger to be fixed to the frame by bolts;

[0010] A water pump is provided on the top of the water tank, a water inlet of the water pump is connected to the water outlet pipe through a pipeline, a water outlet of the water pump is connected to a nozzle through a pipeline, there are two groups of nozzles, and the nozzles are fixed on the rear axle and face the brake pads.

[0011] Preferably, a box cover is provided on the top of the water tank, the edge of the box cover is connected to the water tank by bolts, and the water inlet pipe, the breathing pipe and the water pump are all arranged on the box cover.

[0012] Preferably, the breathing tube is a serpentine tube winding on a vertical plane.

[0013] Preferably, a connecting frame is provided on the bottom and the front outer wall of the water tank, the connecting frame is adapted to the hanging frame, and the connecting frame and the hanging frame are connected by bolts.

[0014] Preferably, a filter is provided on the front outer wall of the water tank, the filter has a water inlet and two water outlets, the water outlet of the water pump is connected to the water inlet of the filter through a pipe, and the water outlet of the filter is connected to the nozzle through a pipe.

[0015] Preferably, a filter fixing frame is provided on the front side of the water tank, and the filter fixing frame is connected to the filter by bolts.

[0016] Preferably, a pipe clamp is provided on the outer wall of the water tank, and the pipe clamp is used to fix the pipeline on the outer wall of the water tank.

[0017] In summary, the technical effects and advantages of the utility model are:

[0018] The utility model designs a cubic water tank, which serves as a storage for cooling water and can also carry out appropriate liquid replenishment and air discharge through its water inlet pipe and breathing tube, thereby ensuring the pressure balance inside and outside the water tank. The L-shaped design of the bracket allows the water tank to be firmly mounted on the frame, thereby ensuring the stability of the entire device. The water pump serves as the heart of the entire cooling system. Its efficient operation enables the cooling water in the water tank to be transported to the water pump through the water outlet pipe, pressurized by the water pump and transmitted to the nozzle through the pipeline. The nozzle is fixed on the rear axle, and its purpose is to spray cooling water directly on the brake pads. In this way, rapid and uniform cooling of the brake pads is achieved.

[0019] The utility model can effectively reduce the temperature of the braking system and prevent the thermal decay phenomenon caused by long-term high-temperature friction between the brake drum and the brake pad, thereby greatly improving the response speed and stability of the braking system, effectively extending the service life of the brake pad, avoiding the risk of brake failure caused by high temperature, and ensuring the safety and smoothness of electric vehicles in various usage conditions. It is an important safety guarantee system during the use of electric vehicles. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the utility model when viewed from above;

[0024] Figure 4 It is a schematic diagram of the bottom structure of the water tank of the utility model.

[0025] In the figure: 1. water tank; 2. bracket; 3. water pump; 4. filter; 5. nozzle; 10. tank cover; 11. water inlet pipe; 12. breathing tube; 13. water outlet pipe; 14. filter fixing bracket; 15. connecting bracket; 16. pipe clamp. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Example: Reference Figure 1-4 The brake pad cooling device for an electric vehicle shown in the figure comprises a frame and a rear axle, wherein the rear axle is located below the frame, and both ends of the rear axle are rotatably connected to rear wheels, and a brake pad is arranged between the rear axle and the rear wheel, and further comprises:

[0028] The water tank 1 is a cubic shell, a water inlet pipe 11 and a breathing pipe 12 are provided at the top of the water tank 1, and a water outlet pipe 13 is provided at the bottom of the water tank 1;

[0029] The hanger 2 is an L-shaped component. There are two sets of hangers 2 and they are symmetrically connected to the water tank 1. The hangers 2 are connected to the bottom surface and the front side surface of the water tank 1. The top of the hanger 2 is provided with a mounting hole, and the mounting hole is used to fix the hanger 2 to the frame with bolts;

[0030] A water pump 3 is provided on the top of the water tank 1, a water inlet of the water pump 3 is connected to a water outlet pipe 13 through a pipe, a water outlet of the water pump 3 is connected to a nozzle 5 through a pipe, and the nozzle 5 has two groups, and the nozzle 5 is fixed on the rear axle and faces the brake pad.

[0031] As an implementation method in this embodiment, in order to facilitate cleaning and maintenance of the water tank 1, as Figures 1 to 4 As shown, a tank cover 10 is provided on the top of the water tank 1 , the edge of the tank cover 10 is connected to the water tank 1 by bolts, and the water inlet pipe 11 , the breathing pipe 12 and the water pump 3 are all arranged on the tank cover 10 .

[0032] As an implementation method in this embodiment, in order to reduce the cost, Figure 1 As shown, the breathing tube 12 is a serpentine tube winding on a vertical plane.

[0033] As an implementation method in this embodiment, in order to facilitate the connection between the water tank 1 and the rack 2, as shown in FIG. Figure 4 As shown, a connecting frame 15 is provided on the bottom and the front outer wall of the water tank 1. The connecting frame 15 is adapted to the hanging frame 2, and the connecting frame 15 and the hanging frame 2 are connected by bolts.

[0034] As an implementation method in this embodiment, in order to ensure that the nozzle 5 sprays normally, as Figure 1 As shown, a filter 4 is provided on the front outer wall of the water tank 1. The filter 4 has a water inlet and two water outlets. The water outlet of the water pump 3 is connected to the water inlet of the filter 4 through a pipe, and the water outlet of the filter 4 is connected to the nozzle 5 through a pipe.

[0035] As an implementation method in this embodiment, in order to facilitate the installation of the fixed filter 4, as shown in FIG. Figure 4 As shown, a filter fixing frame 14 is provided on the front side of the water tank 1, and the filter fixing frame 14 is connected to the filter 4 by bolts.

[0036] As an implementation method in this embodiment, in order to facilitate fixing the pipeline, such as Figures 1 to 4 As shown, a pipe clamp 16 is provided on the outer wall of the water tank 1 , and the pipe clamp 16 is used to fix the pipe on the outer wall of the water tank 1 .

[0037] The utility model works as follows: the bottom of the water tank 1 and the front connecting frame 15 are connected and fixed with the hanging frame 2, and then the top of the hanging frame 2 is fixed to the frame by bolts, the filter fixing frame 14 on the front side of the water tank 1 is installed with the fixed filter 4, and the pipe clamp 16 fixes the pipe to a limit position. Before the vehicle is driven, water is injected into the water tank 1 through the water inlet pipe 11. After the vehicle has been driven for a long time, the brake pads are heated, the water pump 3 is started, and the water in the water tank 1 is pumped out from the water outlet pipe 13 and sent to the nozzle 5. The nozzle 5 sprays the water onto the brake pads to cool the brake pads. The water is first filtered by the filter 4 before being sprayed out by the nozzle 5 to prevent the nozzle 5 from being blocked by impurities in the water. The breathing tube 12 can keep the pressure inside and outside the water tank 1 balanced, and the tank cover 10 is fixed to the water tank 1 by bolts, so that the tank cover 10 can be removed to clean and maintain the inside of the water tank 1.

[0038] The electromechanical connection involved in the present utility model is a common means used by those skilled in the art, and technical inspiration can be obtained through a limited number of tests, which belongs to common knowledge.

[0039] Components not described in detail herein are prior art.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A brake pad cooling device for an electric vehicle, comprising a frame and a rear axle, wherein the rear axle is located below the frame, and both ends of the rear axle are rotatably connected to rear wheels, and a brake pad is arranged between the rear axle and the rear wheel, characterized in that: Also includes: A water tank (1), the water tank (1) being a cubic shell, a water inlet pipe (11) and a breathing pipe (12) being provided at the top of the water tank (1), and a water outlet pipe (13) being provided at the bottom of the water tank (1); A hanger (2), the hanger (2) being an L-shaped component, the hanger (2) having two groups and symmetrically connected to the water tank (1), the hanger (2) connecting the bottom surface and the front side surface of the water tank (1), the top of the hanger (2) being provided with a mounting hole, the mounting hole being used for fixing the hanger (2) to the vehicle frame by bolts; A water pump (3), wherein the water pump (3) is disposed on the top of the water tank (1), the water inlet of the water pump (3) is connected to the water outlet pipe (13) via a pipeline, and the water outlet of the water pump (3) is connected to a nozzle (5) via a pipeline, wherein the nozzle (5) has two groups, and the nozzle (5) is fixed on the rear axle and faces the brake pad.

2. The electric vehicle brake pad cooling device according to claim 1, characterized in that: A tank cover (10) is provided on the top of the water tank (1); the edge of the tank cover (10) is connected to the water tank (1) by bolts; and the water inlet pipe (11), the breathing pipe (12) and the water pump (3) are all arranged on the tank cover (10).

3. The electric vehicle brake pad cooling device according to claim 1, characterized in that: The breathing tube (12) is a serpentine tube winding on a vertical plane.

4. The electric vehicle brake pad cooling device according to claim 1, characterized in that: A connecting frame (15) is provided on the bottom and the front outer wall of the water tank (1); the connecting frame (15) is compatible with the hanging frame (2), and the connecting frame (15) and the hanging frame (2) are connected by bolts.

5. The electric vehicle brake pad cooling device according to claim 1, characterized in that: A filter (4) is provided on the front outer wall of the water tank (1); the filter (4) has a water inlet and two water outlets; the water outlet of the water pump (3) is connected to the water inlet of the filter (4) via a pipe; and the water outlet of the filter (4) is connected to the nozzle (5) via a pipe.

6. The electric vehicle brake pad cooling device according to claim 5, characterized in that: A filter fixing frame (14) is provided on the front side of the water tank (1), and the filter fixing frame (14) is connected to the filter (4) via bolts.

7. The electric vehicle brake pad cooling device according to claim 1, characterized in that: A pipe clamp (16) is provided on the outer wall of the water tank (1), and the pipe clamp (16) is used to fix the pipe on the outer wall of the water tank (1).

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