Novel brake piston return tool for automobile maintenance
The new brake piston return tool, which uses a hydraulic unit and an automatic locking mechanism, solves the problems of complex operation and poor safety of traditional tools, and achieves efficient and safe brake piston return, adapting to various vehicle models and precisely controlling the force.
Patent Information
- Application Number
- CN202520065115.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-01-13
AI Technical Summary
Traditional brake piston return tools are complex to operate, have poor safety, are difficult to adapt to different vehicle models, and have inaccurate force control, posing safety hazards.
A new type of brake piston return tool, consisting of a hydraulic unit, connecting adapter, safety locking mechanism and laser sensor, achieves precise return through hydraulic control and automatic locking mechanism, adapts to different vehicle models, and is equipped with a display screen and laser sensor to monitor the return process.
It achieves efficient and safe brake piston return, adapts to various vehicle models, ensures precise force control, and reduces the risk of personal injury and vehicle damage.
Smart Images
Figure CN223903825U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of automobile maintenance technology especially relates to a novel brake piston return tool for automobile maintenance. BACKGROUND
[0002] In the use process of the automobile, the brake system is one of the key components to ensure driving safety, with the increase of the driving mileage, the brake pad will gradually wear, needs the regular inspection and the timely replacement to guarantee the brake effect, when replacing the brake pad, usually needs the piston in the brake caliper to return, so as to provide enough space for the new brake pad.
[0003] The traditional piston return method depends on manual tool or special equipment, but these methods have problems such as low efficiency, complex operation, poor safety, etc., the traditional return tool is not easy to operate due to the large volume, especially in the narrow space environment, the force is not easy to control, the manual rotation force applying mode is difficult to accurately control the force, which can easily lead to piston return excess or deficiency, low safety: some simple tools may slip during use, causing personal injury and easy to damage vehicle parts, and the brake systems of different vehicle models may be different, the existing tool cannot well adapt to various vehicle models.
[0004] Therefore, it has important practical significance to develop an efficient, simple and safe brake piston return tool, and a novel brake piston return tool for automobile maintenance is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] In order to make up for the above shortcomings, the utility model provides a novel brake piston return tool for automobile maintenance, which aims at improving the problem of inconvenient piston reset of different vehicle models and inconvenient force control operation in the brake piston return of the traditional return tool in the prior art.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0007] Including the main body frame, the inside of main body frame is installed with hydraulic unit, one end of hydraulic unit is connected with the connecting adapter for connecting the brake caliper interface of different models of vehicles, the front of main body frame is connected with the control panel for controlling hydraulic unit;
[0008] The hydraulic unit includes a cylinder, the cylinder is installed in the inside of the main body frame, the inside of the cylinder is movable with a piston rod, the working oil port A of the left top of the cylinder is communicated with a micro hydraulic pump, the working oil port B of the left bottom of the cylinder is communicated with the external oil pipe for piston rod reset, the bottom end of the piston rod is connected with the connecting adapter, the other end of the piston rod is provided with a safety locking mechanism;
[0009] The connecting adapter comprises a fixed rod screwed at the bottom end of the piston rod, the surface of the fixed rod is connected with a pressing spring, the outer side of the pressing spring is connected with an expansion plate used for interfacing with different models of brake caliper, and the surface of the expansion plate is connected with a friction clamping pad.
[0010] The control panel comprises a start button and a pressure adjusting knob used for controlling the oil cylinder.
[0011] Further description of the above technical solution:
[0012] The safety locking mechanism comprises a receiving opening formed at the end of the piston rod, the inside of the receiving opening is slidably connected with a buckle, the inner side of the buckle is transversely connected with a spring, the buckle is embedded into the groove on the inner wall of the oil cylinder through the spring, the inside of the receiving opening is connected with an electromagnetic block, and the electromagnetic block is used for magnetically attracting and adsorbing the buckle.
[0013] Further description of the above technical solution:
[0014] The control panel further comprises a display screen used for displaying the current pressure value of the oil cylinder and the distance of piston return, and a plurality of inlet openings are reserved and formed at the two sides of the control panel.
[0015] Further description of the above technical solution:
[0016] The surface of the piston rod is connected with a lamp ring, and the lamp ring is located at the bottom of the main frame.
[0017] Further description of the above technical solution:
[0018] The inside of the main frame is fixedly installed with a laser sensor, and the right side of the lamp ring is connected with a baffle used for detecting the extension and retraction distance of the piston rod by the laser sensor.
[0019] Further description of the above technical solution:
[0020] The top of the main frame is connected with a handle.
[0021] The utility model has the advantages of the following:
[0022] 1、firstly, the expansion plate and the friction clamping pad pushed by the pressing spring are connected with different models of brake caliper interfaces after being inserted into the brake caliper interfaces, then the feeding pressure of the hydraulic unit is accurately controlled by the control panel, finally, the piston in the brake caliper interface is pushed by the piston rod to make it shrink and return inward, and the expansion plate can adapt to brake caliper interfaces of different models of vehicles to push pistons of different models to return.
[0023] 2. The utility model discloses a safety locking mechanism after the piston rod stops, electromagnetic block power off, make buckle with the electromagnetic block cancel the magnetic force, under the push of spring, push buckle to slide in the inside of storage mouth, make buckle be clamped in the recess on the inner wall of oil cylinder, the piston rod telescopic distance is fixed after being clamped with the recess of oil cylinder, and it is locked to be locked after solid connection, can be locked automatically after piston reset, prevent its from external force and advance again. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 A three-dimensional schematic view of a novel brake piston reset tool for automobile maintenance is provided for the utility model;
[0025] Figure 2 A structure schematic view of a novel brake piston reset tool for automobile maintenance is provided for the utility model;
[0026] Figure 3 A structure schematic view of a novel brake piston reset tool for automobile maintenance is provided for the utility model;
[0027] Figure 4 An explosion three-dimensional structure schematic view of a connecting adapter of a novel brake piston reset tool for automobile maintenance is provided for the utility model.
[0028] Legend:
[0029] 1, main body frame, 2, hydraulic unit, 21, oil cylinder, 22, piston rod, 23, miniature hydraulic pump, 24, external oil pipe, 3, connecting adapter, 31, fixed rod, 32, abutting spring piece, 33, expansion plate, 34, friction clamping pad, 4, control panel, 41, start button, 42, pressure adjusting knob, 43, display screen, 5, safety locking mechanism, 51, storage mouth, 52, buckle, 53, spring, 54, electromagnetic block, 6, lamp ring, 7, laser sensor, 8, baffle, 9, handle. DETAILED DESCRIPTION
[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination 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 belong to the protection scope of the utility model.
[0031] Reference Figures 1-3The utility model provides a kind of embodiment: a new brake piston return tool for automobile maintenance, including main body frame 1, main body frame 1 is made of high-strength aluminum alloy, surface is treated with anticorrosion, both guarantee structural strength, and reduce weight, hydraulic unit 2 is installed in the inside of main body frame 1, hydraulic unit 2 includes oil cylinder 21, oil cylinder 21 is installed in the inside of main body frame 1, and piston rod 22 is movable in the inside of oil cylinder 21, and the working oil port A of oil cylinder 21 left side top is connected with miniature hydraulic pump 23, and miniature hydraulic pump 23 is used to pump the hydraulic oil in the outside oil storage tank into the cavity formed between oil cylinder 21 and piston rod 22, and the working oil port B of oil cylinder 21 left side bottom is connected with external oil pipe 24 for piston rod 22 reset, and external oil pipe 24 can make external hydraulic oil enter the cavity between oil cylinder 21 and piston rod 22 to push back piston rod 22, and the bottom end of piston rod 22 is connected with connection adapter 3 by screwing;One end of hydraulic unit 2 is connected with connection adapter 3 for connecting brake caliper interface of different models of vehicles, and the other end can be inserted into brake caliper interface of different vehicles according to vehicle type to push piston, and connection adapter 3 includes fixed rod 31 connected by screwing in the bottom end of piston rod 22, and fixed rod 31 is used to be connected with the bottom end of piston rod 22 to replace, so that the bottom end of piston rod 22 adapts to brake caliper interface of more models of vehicles, and the surface of fixed rod 31 is connected with abutting spring 32, and the outside of abutting spring 32 is connected with expansion plate 33 for inserting with brake caliper interface of different models, and the surface of expansion plate 33 is connected with friction clamping pad 34, and abutting spring 32 continuously tightens expansion plate 33 outward, so that expansion plate 33 is adapted and connected after being inserted into brake caliper interface of different vehicles, and the diameter of the bottom end of expansion plate 33 is smaller, so that it can be inserted into brake caliper interface of different vehicles, and when expansion plate 33 is deepened, the diameter of expansion plate 33 is larger, until the brake caliper interface of the vehicle type required for return piston is adapted, and expansion plate 33 is abutted by abutting spring 32, can be stably inserted after being tightened in brake caliper interface, and friction clamping pad 34 can prevent expansion plate 33 from causing wear to brake caliper interface after being inserted into brake caliper interface, can guarantee the safety of expansion plate 33 and brake caliper interface, and can increase the friction between expansion plate 33 and brake caliper interface.
[0032] Refer to Figures 2-4The front of the main frame 1 is connected with a control panel 4 for controlling the hydraulic unit 2; the control panel 4 comprises a start button 41 for controlling the oil cylinder 21 and a pressure adjusting knob 42, the start button 41 can control the piston rod 22 of the oil cylinder 21 to feed through the oil cylinder 21 controller, the pressure adjusting knob 42 can control the pressure of the hydraulic oil in the chamber formed by the oil cylinder 21 and the piston rod 22 through the oil cylinder 21 controller, so as to adjust the pressure of the hydraulic system, the control panel 4 further comprises a display screen 43, which is used to display the current pressure value of the oil cylinder 21 and the piston return distance, the top of the main frame 1 is connected with a handle 9, which is convenient for the user to hold and operate, and a plurality of interfaces are reserved on both sides of the control panel 4, which can be added with more intelligent functions in the form of USB interface and Bluetooth module in the later period.
[0033] With reference to Figures 2-4 The other end of the piston rod 22 is provided with a safety locking mechanism 5; the safety locking mechanism 5 comprises a receiving opening 51 formed at the end of the piston rod 22, a buckle 52 is slidably connected inside the receiving opening 51, the receiving opening 51 receives and limits the buckle 52, so that the buckle 52 moves stably transversely, a spring 53 is transversely connected to the inner side of the buckle 52, the spring 53 pushes the buckle 52 after being powered off, so that the buckle 52 is embedded in the groove on the inner wall of the oil cylinder 21, and the piston rod 22 is automatically locked in the return position, preventing it from advancing again due to external force, the receiving opening 51 is connected with an electromagnetic block 54, the electromagnetic block 54 is used to magnetically attract the buckle 52, the electromagnetic block 54 generates a magnetic field after being powered on, and attracts the buckle 52 made of metal, so that the buckle 52 is attracted and moved out of the groove on the oil cylinder 21, so that the piston rod 22 can move again after being pushed by the hydraulic system, and the electromagnetic block 54 can be powered on to control the magnetic force of the electromagnetic block 54 through the signal sent by the external remote controller when necessary, so as to facilitate the subsequent adjustment of the buckle 52, so as to be used for some complex maintenance scenes.
[0034] With reference to Figures 2-4The surface of the piston rod 22 is connected with a lamp ring 6, which is located at the bottom of the main frame 1, and the lamp ring 6 can intuitively show the user the running condition of the piston rod 22 after the piston rod 22 is extended or retracted, so that the use distance of the connecting adapter 3 can be observed in a dim environment, and the inside of the main frame 1 is fixedly installed with a laser sensor 7, and the right side of the lamp ring 6 is connected with a baffle 8 for detecting the extension distance of the piston rod 22 by the laser sensor 7, the laser sensor 7 emits a very thin laser beam through the internal laser diode, and the light beam is shot to the baffle 8 with very high linearity and concentration, when the baffle 8 moves with the extension and retraction of the piston rod 22, the light beam is reflected after being shot to the baffle 8, and is received by the laser sensor 7, so that the distance between the baffle 8 and the laser sensor 7 is accurately calculated, so that the extension and retraction length of the piston rod 22 can be observed.
[0035] Working principle: when in use, the user presses the start button 41 to start the micro hydraulic pump 23 to pump hydraulic oil into the oil cylinder 21 through the oil cylinder 21 controller, so as to drive the piston rod 22 to move forward, and then act on the connecting adapter 3, so as to drive the fixed rod 31, the expansion plate 33 and the friction clamping pad 34 to insert into the brake caliper interface, the expansion plate 33 can be inwards retracted to press the tight spring 32, so that the tight spring 32 can drive the expansion plate 33 and the friction clamping pad 34 to insert into the brake caliper interface of different vehicle models, and then expand and clamp in the brake caliper interface and be pushed by the piston rod 22, so as to drive the piston to move inwards and return to the original position, during the whole process, the user can adjust the pressure of the hydraulic system through the pressure adjusting knob 42, so as to control the speed and distance of the piston return, once the predetermined position is reached, the electromagnetic block 54 is powered off, the buckle 52 is embedded in the groove on the inner wall of the oil cylinder 21 under the pushing of the spring 53, the piston rod 22 is automatically locked in the return position, and the display screen 43 synchronously detects the extension length of the piston rod 22 and the pressure condition of the hydraulic oil pumped by the micro hydraulic pump 23, so that the user can intuitively understand the condition of the brake piston in the return position.
[0036] Finally, it should be pointed out that the above-mentioned is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims
1. A new type of brake piston return tool for automotive repair, comprising a main body frame (1), characterized in that: The inside of the main frame (1) is internally mounted with a hydraulic unit (2), one end of the hydraulic unit (2) is threadedly connected with a connecting adapter (3) for connecting different models of brake caliper interfaces, the front of the main frame (1) is connected with a control panel (4) for controlling the hydraulic unit (2); The hydraulic unit (2) comprises a cylinder (21) mounted in the inside of the main frame (1), a piston rod (22) movably arranged in the inside of the cylinder (21), a micro hydraulic pump (23) communicated with a working oil port A at the top left side of the cylinder (21), an external oil pipe (24) for resetting the piston rod (22) communicated with a working oil port B at the bottom left side of the cylinder (21), the bottom end of the piston rod (22) is threadedly connected with the connecting adapter (3), the other end of the piston rod (22) is provided with a safety locking mechanism (5); The connecting adapter (3) comprises a fixed rod (31) threadedly connected with the bottom end of the piston rod (22), the surface of the fixed rod (31) is connected with a pressing spring (32), the outer side of the pressing spring (32) is connected with an expansion plate (33) for plugging with different models of brake caliper interfaces, the surface of the expansion plate (33) is connected with a friction clamping pad (34); The control panel (4) comprises a start button (41) and a pressure adjusting knob (42) for controlling the cylinder (21).
2. A new type of brake piston return tool for automobile repair according to claim 1, characterized in that: The safety locking mechanism (5) comprises a receiving opening (51) opened at the end of the piston rod (22), a buckle (52) slidably connected in the inside of the receiving opening (51), a spring (53) transversely connected with the inner side of the buckle (52), the buckle (52) is embedded in a groove on the inner wall of the cylinder (21) through the spring (53), an electromagnetic block (54) is connected in the inside of the receiving opening (51), the electromagnetic block (54) is used for magnetically attracting and adsorbing the buckle (52).
3. A new type of brake piston return tool for vehicle maintenance according to claim 2, characterized in that: The control panel (4) further comprises a display screen (43) for displaying the current pressure value of the cylinder (21) and the distance of piston return, a plurality of inlet openings are reservedly opened at both sides of the control panel (4).
4. A new type of brake piston return tool for vehicle maintenance according to claim 3, characterized in that: The surface of the piston rod (22) is connected with a lamp ring (6), the lamp ring (6) is located at the bottom of the main frame (1).
5. A new type of brake piston return tool for vehicle maintenance according to claim 4, characterized in that: The inside of the main frame (1) is fixedly mounted with a laser sensor (7), the right side of the lamp ring (6) is connected with a baffle (8) for detecting the extension and retraction distance of the piston rod (22) by the laser sensor (7).
6. A new type of brake piston return tool for vehicle maintenance according to claim 5, characterized in that: The top of the main frame (1) is connected with a handle (9).