Lightweight brake drum

Abstract

The utility model provides a lightweight brake drum, which belongs to the field of brake drums, and is characterized by comprising a brake drum, two brake linings connected in the brake drum in a sliding manner, two butt joints fixedly connected in the brake drum, two sliding rods fixedly connected to one side ends of the two butt joints, and two ends of the two sliding rods fixedly connected to the other side ends of the two butt joints. The two rebounding push rods are slidably connected to the circumferential surfaces of the two sliding rods, and the two rebounding push rods are fixedly connected to the rear ends of the two brake linings. According to the device, the dragging phenomenon is reduced by additionally arranging the rebounding assembly, after braking is relieved, the brake shoe or the brake pad can be rapidly reset, and the braking effect is good. Friction loss and unnecessary energy consumption caused by continuous contact are avoided, meanwhile, driving experience is improved, higher response speed means more accurate braking force control, and improvement of vehicle controllability and driving comfort is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of brake drum, concretely relates to a light weight brake drum. BACKGROUND

[0002] The brake is the component for generating the brake force to hinder the movement or movement tendency of the vehicle in the brake system, and almost all the automobile brakes except various speed reduction devices are the friction brakes for generating the brake torque by the friction of the working surface of the fixed element and the rotating element, the rotating element in the friction pair of the drum brake is the brake drum, and the brake is realized by pressing the brake block on the brake drum.

[0003] In the prior art, the traditional brake drum does not achieve the reduction of the drag phenomenon, and the brake shoe can be quickly reset after the brake is released, so that the problem of friction loss and unnecessary energy consumption caused by continuous contact is avoided. UTILITY MODEL CONTENTS

[0004] The utility model discloses a light weight brake drum, which aims to solve the problem that the traditional brake drum in the prior art does not achieve the reduction of the drag phenomenon, and the brake shoe can be quickly reset after the brake is released, so that the problem of friction loss and unnecessary energy consumption caused by continuous contact is avoided.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A light weight brake drum comprises:

[0007] A brake drum;

[0008] Two brake pads are arranged, and both of the brake pads are slidingly connected in the brake drum;

[0009] Two adapters are arranged, and both of the adapters are fixedly connected in the brake drum;

[0010] Two sliding rods are arranged, and both of the sliding rods are fixedly connected to one side end of the two adapters;

[0011] Two rebound push rods are arranged, and both of the rebound push rods are slidingly connected to the circumferential surface of the two sliding rods, and both of the rebound push rods are fixedly connected to the rear end of the two brake pads.

[0012] As a preferred scheme of the utility model, two first sliding blocks are slidingly connected in the two rebound push rods, two first springs are fixedly connected in the two rebound push rods, two second sliding blocks are fixedly connected to one side end of the two rebound push rods, and two second sliding blocks are slidingly connected in the brake drum.

[0013] As a preferred scheme of the utility model, the brake drum is internally fixedly connected with a hydraulic drive assembly, both sides of the hydraulic drive assembly are slidably connected with two pistons, and both sides of the two pistons are provided with two brake linings.

[0014] As a preferred scheme of the utility model, the outer surfaces of the two brake linings are provided with hinges.

[0015] As a preferred scheme of the utility model, the hinges are internally rotatably connected with two rotating shafts, and the circumferential surfaces of the two rotating shafts are fixedly connected with the two brake linings.

[0016] As a preferred scheme of the utility model, the rear ends of the two brake linings are fixedly connected with second springs.

[0017] As a preferred scheme of the utility model, the brake drum is internally and transversely provided with a connecting port.

[0018] Compared with the prior art, the utility model has the beneficial effects that:

[0019] 1、In the scheme, the device reduces the drag phenomenon by increasing the rebound assembly, the brake shoe or brake pad can be quickly reset after braking, friction loss and unnecessary energy consumption caused by continuous contact are avoided, the driving experience is improved, faster response speed means more accurate brake force control, which helps to improve vehicle handling and driving comfort.

[0020] 2、In the scheme, the rebound push rod is internally provided with a sliding structure, the first sliding block is allowed to slide in the rebound push rod, the brake lining can be kept stable and accurately positioned during movement, the first sliding block is slidably connected in the rebound push rod, additional support and guide functions are provided, the brake lining can be kept stable during braking and resetting, the first spring is fixedly connected in the rebound push rod, necessary elastic recovery force is provided, when the brake is released, the first spring pushes the rebound push rod to quickly reset and drive the brake lining to separate from the inner wall of the brake drum, unnecessary friction loss and heat accumulation are reduced, the design not only improves the response speed of the system, but also reduces wear and energy loss. BRIEF DESCRIPTION OF DRAWINGS

[0021] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation on the utility model. In the drawings:

[0022] Figure 1 It is the front view perspective view of the utility model;

[0023] Figure 2It is a side view of the utility model;

[0024] Figure 3 It is an exploded view of the utility model;

[0025] Figure 4 It is a sectional view of the utility model.

[0026] In the figure: 1, brake drum; 2, brake pad; 3, butt joint; 4, sliding rod; 5, rebound push rod; 6, first sliding block; 7, first spring; 8, second sliding block; 9, hydraulic drive assembly; 10, piston; 12, hinge; 13, rotating shaft; 14, second spring; 15, connecting port. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] EMBODIMENT

[0029] Please refer to Figures 1-4 The utility model provides the following technical scheme:

[0030] A kind of light-weight brake drum includes:

[0031] Brake drum 1;

[0032] Brake pad 2, brake pad 2 is equipped with two, two brake pads 2 are all slidingly connected in brake drum 1;

[0033] Butt joint 3, butt joint 3 is equipped with two, two butt joints 3 are all fixedly connected in brake drum 1;

[0034] Sliding rod 4, sliding rod 4 is equipped with two, two sliding rods 4 are all fixedly connected to one side end of two butt joints 3;

[0035] Rebound push rod 5, rebound push rod 5 is equipped with two, two rebound push rods 5 are all slidingly connected to the circumferential surface of two sliding rods 4, and two rebound push rods 5 are all fixedly connected to the rear end of two brake pads 2.

[0036] In the embodiment of the utility model, the brake lining 2 is installed inside the brake drum 1 through sliding connection mode, can realize friction braking when braking by sticking to the inner wall of brake drum 1, the adapter 3 is fixedly connected inside the brake drum 1, provides stable mounting point for the sliding rod 4, the sliding rod 4 is fixedly connected to the one side end of the adapter 3, forms a stable sliding track, the rebound push rod 5 is slidingly connected on the circumferential surface of the sliding rod 4, and one end thereof is fixedly connected to the rear end of the brake lining 2, when braking is needed, the brake lining 2 moves along the sliding rod 4 under the action of hydraulic or other driving system and sticks to the inner wall of brake drum 1 to generate friction force, thereby reducing or stopping the vehicle, when braking is released, the rebound push rod 5 pushes the brake lining 2 to reset rapidly by the elastic restoring force provided by the spring in the rebound push rod 5, makes it separate from the contact with the inner wall of brake drum 1, reduces unnecessary friction loss and heat accumulation, this linkage mechanism forms an efficient braking and rebound system between the brake lining 2, the adapter 3, the sliding rod 4 and the rebound push rod 5, specifically, the sliding rod 4 provides stable and accurate guide path, ensures that the brake lining 2 can accurately stick to and separate from the inner wall of brake drum 1, and the rebound push rod 5 ensures the rapid reset of the brake lining 2 when braking is released, improves the response speed and reliability of the system.

[0037] Specifically refer to Figures 1-4 Two first sliding blocks 6 are slidingly connected in the two rebound push rods 5, two first springs 7 are fixedly connected in the two rebound push rods 5, two second sliding blocks 8 are fixedly connected to the one side end of the two rebound push rods 5, and two second sliding blocks 8 are slidingly connected in the brake drum 1.

[0038] In the embodiment, the rebound push rod 5 is internally provided with a sliding structure, allowing the first sliding block 6 to slide therein, ensuring that the brake lining 2 can maintain stable and accurate positioning during movement, the first sliding block 6 provides additional support and guide function through the sliding connection in the rebound push rod 5, so that the brake lining 2 can maintain stability during braking and resetting, the first spring 7 is fixedly connected inside the rebound push rod 5, providing necessary elastic restoring force, when braking is released, the first spring 7 pushes the rebound push rod 5 to reset rapidly, and drives the brake lining 2 to separate from the inner wall of brake drum 1, reducing unnecessary friction loss and heat accumulation, this design not only improves the response speed of the system, but also reduces wear and energy loss.

[0039] Specifically refer to Figures 1-4 The hydraulic driving assembly 9 is fixedly connected in the brake drum 1, two pistons 10 are slidingly connected to the two sides of the hydraulic driving assembly 9, and two brake linings 2 are arranged on the one side end of the two pistons 10.

[0040] In this embodiment: hydraulic drive assembly 9 as the core driving components, fixed connection in the brake drum 1 inside, provide the necessary driving force, hydraulic drive assembly 9 by the pressure change of hydraulic oil to push the piston 10 reciprocating motion, specifically, when braking is needed, hydraulic drive assembly 9 generates high pressure oil, push the piston 10 on both sides to move outward, one side of the piston 10 is directly connected with the brake pad 2, so the outward movement of the piston 10 will drive the brake pad 2 along the slide rod 4 to the brake drum 1 inner wall direction, and ultimately with the brake drum 1 inner wall contact, friction force to achieve the braking effect, this kind of hydraulic drive mode can provide smooth and strong braking force, to ensure that the vehicle can be quickly decelerated or stopped, when the brake is released, the hydraulic drive assembly 9 releases the pressure, so that the piston 10 retracts, the brake pad 2 is quickly separated from the inner wall of the brake drum 1 under the action of the rebound push rod 5 and the first spring 7 inside it, restore to the initial position, this linkage mechanism makes the hydraulic drive assembly 9, piston 10 and brake pad 2 form an efficient power transmission system.

[0041] For details, please see Figures 1-4 The outer surface of the two brake pads 2 is provided with a hinge 12.

[0042] In this embodiment: the hinge 12 is arranged on the outer surface of the brake pad 2, allowing the brake pad 2 to rotate around a certain axis for adjustment, when the brake system is started, the piston 10 pushes the brake pad 2 to move towards the inner wall of the brake drum 1, the hinge 12 allows the brake pad 2 to be adjusted according to the actual contact surface shape and unevenness when contacting the inner wall of the brake drum 1, ensuring that the brake pad 2 and the inner wall of the brake drum 1 are in uniform and close contact.

[0043] For details, please see Figures 1-4 The hinge 12 is rotatably connected with two shafts 13, and the circumferential surface of the two shafts 13 is fixedly connected with two brake pads 2.

[0044] In this embodiment: the hinge 12 as the core component allows the shaft 13 to rotate inside, thereby providing flexibility, specifically, the shaft 13 is rotatably connected with the hinge 12, so that the brake pad 2 can be adjusted in angle according to the actual contact surface when contacting the inner wall of the brake drum 1.

[0045] For details, please see Figures 1-4 The rear end of the two brake pads 2 is fixedly connected with a second spring 14.

[0046] In this embodiment: the second spring 14 is fixedly connected to the rear end of the brake pad 2, and when the brake system is not activated, the second spring 14 provides an elastic restoring force outwardly, so that the brake pad 2 remains separated from the inner wall of the brake drum 1, specifically, when the hydraulic drive assembly 9 does not exert pressure, the second spring 14 pushes the brake pad 2 away from the inner wall of the brake drum 1, ensuring that the brake pad 2 does not generate friction loss and heat accumulation due to unnecessary contact.

[0047] For details, please refer to Figures 1-4 The connecting port 15 is provided in the brake drum 1.

[0048] In this embodiment: the connecting port 15 serves as an interface, allowing external mechanical components or systems to be connected to the brake drum 1, specifically, the connecting port 15 can be used to install or fix other components.

[0049] The working principle and use process of the utility model: when using the lightweight brake drum, the hydraulic drive assembly 9 receives hydraulic oil input through an external assembly, and two pistons 10 are slidingly installed on the two sides of the hydraulic drive assembly 9, when the hydraulic oil pressure increases, the pistons 10 move outward and push the two brake pads 2, the outer surfaces of the two brake pads 2 are provided with hinges 12, two rotating shafts 13 are rotatably installed in the hinges 12, and the rotating shafts 13 are fixedly installed on the brake pads 2, so that the brake pads 2 can adjust the angle according to the contact surface, the brake pads 2 slide along the sliding rods 4 to approach the inner wall of the brake drum 1, and finally contact the inner wall of the brake drum 1 to generate friction force to realize braking, when releasing the brake, the hydraulic drive assembly 9 releases the hydraulic oil pressure, the pistons 10 retract, the brake pads 2 move to the rear end under the action of the second spring 14, and the brake pads 2 are separated from the inner wall of the brake drum 1, the rebound push rod 5 is slidingly installed on the circumferential surface of the sliding rod 4 and is fixedly installed on the rear end of the brake pad 2, ensuring that the brake pad 2 resets stably, the rebound push rod 5 is provided with a first sliding block 6 and a first spring 7, providing a guide and elastic restoring force, and a second sliding block 8 is fixedly installed on one side of the rebound push rod 5, the second sliding block 8 is slidingly installed in the brake drum 1, further stabilizing the resetting process, the overall process realizes braking through hydraulic drive, completes rapid resetting through springs and sliding structures, ensures stable and reliable equipment operation, the device reduces the drag phenomenon by increasing the rebound assembly, the brake shoe or brake pad can quickly reset after releasing the brake, avoiding friction loss and unnecessary energy consumption caused by continuous contact, and improving the driving experience, faster response speed means more precise brake force control, which helps to improve vehicle handling and driving comfort.

[0050] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A lightweight brake drum characterized in that Include: Brake drum (1); Brake pad (2), the brake pad (2) is provided with two, two brake pads (2) are both slidingly connected in the brake drum (1); The butt joint (3) is provided with two, two butt joints (3) are both fixedly connected in the brake drum (1); The sliding rod (4) is provided with two, two sliding rods (4) are both fixedly connected to one side end of two butt joints (3); The rebound push rod (5) is provided with two, two rebound push rods (5) are both slidingly connected to the circumferential surface of two sliding rods (4), and two rebound push rods (5) are both fixedly connected to the rear end of two brake pads (2).

2. The light-weight brake drum of claim 1, wherein: Two first sliding blocks (6) are slidingly connected in two rebound push rods (5), two first springs (7) are fixedly connected in two rebound push rods (5), two second sliding blocks (8) are fixedly connected to one side end of two rebound push rods (5), and two second sliding blocks (8) are slidingly connected in the brake drum (1).

3. A lightweight brake drum according to claim 2, characterized in that: The brake drum (1) is fixedly connected with a hydraulic drive assembly (9), both sides of the hydraulic drive assembly (9) are slidingly connected with two pistons (10), and one side of two pistons (10) is provided with two brake pads (2).

4. The light-weight brake drum of claim 3, wherein: The outer surface of two brake pads (2) is provided with a hinge (12).

5. A lightweight brake drum according to claim 4, characterized in that: Two shafts (13) are rotatably connected in the hinge (12), and the circumferential surface of two shafts (13) is fixedly connected with two brake pads (2).

6. A lightweight brake drum according to claim 5, characterized in that: The rear end of two brake pads (2) is fixedly connected with a second spring (14).

7. A lightweight brake drum according to claim 6, characterized in that: The connecting port (15) is provided in the brake drum (1).

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