Combined electric vehicle disc brake structure

Abstract

The utility model discloses a combined type electric vehicle disc brake structure, which relates to the technical field of disc brake structures, and comprises a brake control assembly, one end of which is connected with a brake caliper; the auxiliary brake mechanism is arranged at the upper end of the brake caliper, and the disc body is arranged on the inner side of the brake caliper and the inner side of the auxiliary brake mechanism. The two-way synchronous electric cylinder drives the clamping jaws at the two ends to move synchronously, drives the auxiliary brake pad to clamp the disc synchronously, and is matched with linear output of the brake calipers, so that accurate regulation and control of braking force are achieved, and riding safety and comfort are improved; the combined mode that the auxiliary brake mechanism is matched with the brake calipers is adopted, braking force is overlaid under the emergency working condition, the braking distance is shortened, the problems that traditional single hydraulic braking is slow in response and insufficient in braking force are solved, and the device is suitable for high-speed and heavy-load complex scenes.

Description

TECHNICAL FIELD

[0001] The utility model relates to disc brake structure technical field, specifically a combined type electric motor car disc brake structure. BACKGROUND

[0002] In the modern traffic system, electric vehicles have become an important tool for urban short-distance commuting and daily travel due to their convenience and economy. With the iteration of electric vehicle technology, the performance of the whole vehicle is continuously improved, with faster speed and increased load capacity, which puts higher requirements on the reliability and braking efficiency of the brake system.

[0003] With the rapid development of the electric vehicle industry, users have increasingly stringent requirements for brake performance. Traditional electric vehicle disc brake structures rely mainly on single hydraulic braking, which has problems such as slow braking response and insufficient braking force in emergency conditions, especially in high-speed driving or long downhill scenarios, which can easily cause safety hazards due to brake heat decay and mechanical structure response lag. At the same time, some special road conditions require precise braking and auxiliary braking force supplementation, and existing disc brakes cannot meet the requirements of both high-efficiency braking and working condition adaptability. SUMMARY

[0004] The utility model discloses a combined type electric motor car disc brake structure, which is installed with a brake control assembly and an auxiliary brake mechanism and a brake caliper, and is used in cooperation with a disc body, thereby improving the braking performance and adaptability of the electric motor car disc brake and enhancing the braking performance.

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

[0006] A combined type electric motor car disc brake structure, comprising

[0007] A brake control assembly is connected to one end of the brake caliper; an auxiliary brake mechanism is provided on the upper end of the brake caliper, and a disc body is provided on the inner side of the brake caliper and the auxiliary brake mechanism;

[0008] The auxiliary brake mechanism comprises a connecting plate, which is fixedly connected to the outer side of the caliper fixing bracket through a plurality of bolts, and is provided with a sliding groove on the upper end, and is provided with a mounting plate on one side of the upper end, and the lower end of the mounting plate is fixedly connected to a bidirectional synchronous electric cylinder through a plurality of bolts;

[0009] The bidirectional synchronous electric cylinder is provided with a pawl at both ends, and one of the pawls is in sliding connection with the sliding groove; the inner side of the lower end of the symmetrically arranged pawls is provided with an auxiliary brake pad, and the auxiliary brake pads are provided with a disc therebetween; the lower surface of the bidirectional synchronous electric cylinder is provided with a speed sensor.

[0010] As a further technical scheme of the utility model, the caliper fixing support is fixedly installed on one side of the caliper body, and the inner side of the caliper fixing support is fixedly connected with the electric vehicle frame.

[0011] As a further technical scheme of the utility model, the caliper body is externally provided with a caliper oil inlet, the upper end of the caliper oil inlet is connected with a brake oil pipe, and the upper end of the brake oil pipe is connected with an oil pipe joint.

[0012] As a further technical scheme of the utility model, the other end of the oil pipe joint is connected with an upper pump oil cylinder, the upper pump oil cylinder is arranged on a handle rotating shaft, and a brake handle is rotatably connected to the handle rotating shaft.

[0013] As a further technical scheme of the utility model, the inner side of the caliper body is symmetrically provided with a caliper piston, and the other end of the caliper piston is connected with a brake pad; the brake pad is symmetrically arranged on the inner side of the caliper body, and a disc is arranged between the brake pads.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The utility model discloses a two-way synchronous electric cylinder drives two end claws to synchronously move, drives an auxiliary brake pad to synchronously clamp a disc, cooperates with the linear output of a brake caliper, realizes accurate brake force control, improves riding safety and comfort; the combination mode of the auxiliary brake mechanism cooperates with the brake caliper, brake force is superposed under emergency working conditions, brake distance is shortened, the slow response and insufficient brake force of the traditional single hydraulic brake are solved, and the utility model is suitable for complex scenes such as high speed and heavy load;

[0016] The utility model discloses a speed sensor real-time sensing vehicle state, auxiliary brake mechanism dynamic intervention, wet and slippery road surface can enhance the braking force, supplement brake force when long downhill, relieve brake thermal decay, and broaden the applicable working conditions of disc brake;

[0017] The utility model discloses a caliper fixing support and connecting plate are stably connected through bolt, auxiliary brake mechanism and caliper body, frame are installed in cooperation, guarantee that each component position is stable in the braking process, and brake force transmission is efficient, and there is no deviation, and the reliability and durability of brake system are improved. ACCURATE BRAKE FORCE CONTROL

[0018] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0019] Figure 2 It is the top view of the utility model in Figure 1 .

[0020] Figure 3 It is the top view of the utility model in Figure 2 .

[0021] Figure 4is the split structure schematic view of the utility model Figure 2 .

[0022] Figure 5 is the plan view of the utility model Figure 4 .

[0023] Figure 6 is the split structure schematic view of the utility model Figure 5 .

[0024] Figure 7 is the split structure schematic view of the utility model Figure 6 .

[0025] Figure 8 is the bottom view of the utility model Figure 7 .

[0026] In the drawing: 1 - brake control assembly, 2 - brake caliper, 3 - auxiliary brake mechanism, 4 - disc body;

[0027] 11 - brake handle, 12 - handle pivot, 13 - upper pump cylinder, 14 - oil pipe joint;

[0028] 21 - brake oil pipe, 22 - caliper oil inlet, 23 - caliper body, 24 - caliper piston, 25 - brake pad, 26 - caliper fixing support;

[0029] 31 - connecting plate, 32 - sliding groove, 33 - mounting plate, 34 - bidirectional synchronous air cylinder, 35 - claw, 36 - auxiliary brake pad, 37 - speed sensor;

[0030] 41 - disc, 42 - disc vent hole, 43 - disc mounting hole. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with 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 scope of the utility model.

[0032] Please refer to Figures 1-8 , in the embodiments of the utility model, a combined disc brake structure of electric vehicle, including brake control assembly 1, the brake control assembly 1 one end is connected with brake caliper 2;Brake caliper 2 upper end is equipped with auxiliary brake mechanism 3, and brake caliper 2 and auxiliary brake mechanism 3 inner side are equipped with disc body;

[0033] The auxiliary brake mechanism 3 comprises a connecting plate 31 fixedly connected with the outer side of the caliper fixing support 26 through a plurality of bolts, the upper end of the connecting plate 31 is provided with a sliding groove 32, and the upper end of the connecting plate 31 is provided on one side with a mounting plate 33 fixedly connected with a bidirectional synchronous electric cylinder 34 through a plurality of bolts at the lower end of the mounting plate 33.

[0034] The bidirectional synchronous electric cylinder 34 is symmetrically provided with a pawl 35 at both ends, one of the pawls 35 is in sliding connection with the sliding groove 32, and the inner side of the lower end of each of the symmetrically arranged pawls 35 is provided with an auxiliary brake pad 36, and the auxiliary brake pads 36 are provided with a disc 41 therebetween.

[0035] Through the above technical scheme, the speed sensor 37 can sense the vehicle state in real time, the auxiliary brake mechanism 3 can dynamically intervene, the wet road surface can enhance the braking force, the braking force can be supplemented during long downhill driving, the brake heat attenuation can be relieved, and the application working conditions of the disc brake are widened.

[0036] In the embodiment, the caliper fixing support 26 is fixedly installed on one side of the caliper body 23, and the inner side of the caliper fixing support 26 is fixedly connected with the electric vehicle frame.

[0037] Through the above technical scheme, the caliper fixing support 26 and the connecting plate 31 are stably connected through bolts, the auxiliary brake mechanism 3 is cooperatively installed with the caliper body 23 and the frame, the positions of the components during braking are stable, the braking force transmission is efficient and without deviation, and the reliability and durability of the brake system are improved.

[0038] In the embodiment, the caliper body 23 is provided on the outer side with a caliper oil inlet 22, the upper end of the caliper oil inlet 22 is connected with a brake oil pipe 21, and the upper end of the brake oil pipe 21 is connected with an oil pipe joint 14.

[0039] The other end of the oil pipe joint 14 is connected with an upper pump cylinder 13, the upper pump cylinder 13 is arranged on a handle rotating shaft 12, and the handle rotating shaft 12 is rotatably connected with a brake handle 11.

[0040] The inner side of the caliper body 23 is symmetrically provided with a caliper piston 24, and the other end of the caliper piston 24 is connected with a brake pad 25; the brake pad 25 is symmetrically arranged on the inner side of the caliper body 23, and the brake pad 25 is provided with a disc 41 therebetween.

[0041] By adopting the technical scheme, the bidirectional synchronous electric cylinder 34 drives the two end clamps 35 to move synchronously, drives the auxiliary brake pad 36 to clamp the disc 41 synchronously, cooperates with the linear output of the brake caliper 2, realizes accurate regulation and control of braking force, and improves riding safety and comfort; the combination mode of the auxiliary brake mechanism 3 and the brake caliper 2 is cooperated, the braking force is superposed under emergency working conditions, the braking distance is shortened, the problems of slow response and insufficient braking force of the traditional single hydraulic braking are solved, and the auxiliary brake mechanism 3 is adapted to complex scenes such as high speed and heavy load.

[0042] The working principle of the utility model is: the driver operates the brake handle 11, the handle rotates around the handle shaft 12, pushes the upper pump cylinder 13 to generate hydraulic pressure, the hydraulic pressure is transmitted to the caliper oil inlet 22 through the oil pipe joint 14 and the brake oil pipe 21, drives the caliper piston 24 in the caliper body 23 to be ejected, drives the brake pad 25 to clamp the disc 41, and realizes braking through friction;

[0043] The speed sensor 37 monitors the rotating speed of the disc 41 in real time; when the emergency braking signal is detected, the bidirectional synchronous electric cylinder 34 is started, the two end clamps 35 move to the disc 41, and the auxiliary brake pad 36 is driven to move to the disc 41 and clamp the disc 41 synchronously; at this time, the hydraulic braking and the electric cylinder auxiliary braking are cooperated to enhance the braking force; the caliper fixing support 26 fixes the auxiliary brake mechanism 3 through the connecting plate 31, guarantees the structural stability of the auxiliary brake mechanism 3, the caliper body 23 and the vehicle frame, and ensures reliable transmission of the braking force;

[0044] The bidirectional synchronous electric cylinder 34 drives the two end clamps 35 to move synchronously, drives the auxiliary brake pad 36 to clamp the disc 41 synchronously, cooperates with the linear output of the brake caliper 2, realizes accurate regulation and control of braking force, and improves riding safety and comfort; the combination mode of the auxiliary brake mechanism 3 and the brake caliper 2 is cooperated, the braking force is superposed under emergency working conditions, the braking distance is shortened, the problems of slow response and insufficient braking force of the traditional single hydraulic braking are solved, and the auxiliary brake mechanism 3 is adapted to complex scenes such as high speed and heavy load;

[0045] The speed sensor 37 senses the vehicle state in real time, the auxiliary brake mechanism 3 is dynamically intervened, the braking force on a wet road can be enhanced, the braking force is supplemented when descending a long slope, the brake heat attenuation is relieved, and the application working conditions of the disc brake are widened;

[0046] The caliper fixing support 26 and the connecting plate 31 are stably connected through bolts, the auxiliary brake mechanism 3 is cooperatively installed with the caliper body 23 and the vehicle frame, the positions of the components are stable during braking, the braking force is efficiently and non-deviationally transmitted, and the reliability and durability of the brake system are improved.

[0047] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0048] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by a person skilled in the art.

Claims

1. A combined disc brake structure for an electric vehicle, characterized by: Comprising The brake control assembly (1) is connected with the brake caliper (2) at one end; the brake caliper (2) is provided with an auxiliary brake mechanism (3) at the upper end, and the brake caliper (2) and the auxiliary brake mechanism (3) are provided with a disc body on the inner side; The auxiliary brake mechanism (3) comprises a connecting plate (31) fixedly connected with the outer side of the caliper fixed support (26) through a plurality of bolts, the upper end of the connecting plate (31) is provided with a sliding groove (32), and the upper end of the connecting plate (31) is provided on one side with a mounting plate (33), and the lower end of the mounting plate (33) is fixedly connected with a bidirectional synchronous electric cylinder (34) through a plurality of bolts; The bidirectional synchronous electric cylinder (34) is provided with a clamping jaw (35) at both ends, one of the clamping jaws (35) is in sliding connection with the sliding groove (32); the symmetrically arranged clamping jaws (35) are provided with auxiliary brake pads (36) on the inner side of the lower end, and a disc (41) is arranged between the auxiliary brake pads (36); the lower surface of the bidirectional synchronous electric cylinder (34) is provided with a speed sensor (37).

2. The combined disc brake structure for an electric vehicle according to claim 1, characterized by: The caliper fixed support (26) is fixedly installed on one side of the caliper body (23), and the inner side of the caliper fixed support (26) is fixedly connected with the electric vehicle frame.

3. The combined disc brake structure for an electric vehicle according to claim 2, characterized by: The outer side of the caliper body (23) is provided with a caliper oil inlet (22), the upper end of the caliper oil inlet (22) is connected with a brake oil pipe (21), and the upper end of the brake oil pipe (21) is connected with an oil pipe joint (14).

4. The combined disc brake structure for an electric vehicle according to claim 3, characterized in that: The other end of the oil pipe joint (14) is connected with an upper pump oil cylinder (13), and the upper pump oil cylinder (13) is arranged on a handle rotating shaft (12), and the handle rotating shaft (12) is rotatably connected with a brake handle (11).

5. The combined disc brake structure for an electric vehicle according to claim 2, wherein: The inner side of the caliper body (23) is provided with a caliper piston (24) in an up-down symmetric manner, and the other end of the caliper piston (24) is connected with a brake pad (25); the brake pad (25) is arranged on the inner side of the caliper body (23) in a left-right symmetric manner, and a disc (41) is arranged between the brake pads (25).

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