CN208947305U - Electron assistant braking system - Google Patents

Abstract

A kind of electron assistant braking system, including slide assemblies, inductive component, controller, servo motor, with the transmission mechanism of the output axis connection of servo motor and the hydraulic cylinder being connect with slide assemblies, the first end of slide assemblies is connect with external brake pedal, the connection of the piston of second end and hydraulic cylinder, hydraulic cylinder is connect by hydraulic circuit with external braking system, inductive component is used to incude the movement of the section components of slide assemblies and movable signal is sent to controller, controller is rotated according to the output shaft of movable signal and other signals of vehicle body control servo motor, and drive slide assemblies mobile by transmission mechanism, slide assemblies drive the piston of hydraulic cylinder mobile.So there is auxiliary brake function and control sensitivity is higher.

Description

Electron assistant braking system

Technical field

The utility model relates to automobile brake technical field, especially a kind of electron assistant braking system.

Background technique

Existing brake system of car, by driver's brake pedal, so that hydraulic in hydraulic cylinder changes, Hydraulic pressure signal is transferred to subsequent braking system, is braked to control brake(-holder) block.The control mode of this braking system is complete All dependent on the stroke of driver's brake pedal, control is more coarse, and sensitivity is lower, when if you need to want emergency brake then It needs to floor brake pedal.

Utility model content

Have auxiliary brake function, the with higher sensitivity electronics of control auxiliary in view of this, the present invention provides a kind of Braking system is helped, to solve the above problems.

A kind of electron assistant braking system, including slide assemblies (10), inductive component (20), connect with inductive component (20) Controller, servo motor connected to the controller (30), the transmission mechanism (40) with the output axis connection of servo motor (30) And the hydraulic cylinder (50) connecting with slide assemblies (10), the first end of slide assemblies (10) are connect with external brake pedal, the Two ends are connect with the piston of hydraulic cylinder (50), and hydraulic cylinder (50) is connect by hydraulic circuit with external braking system, driver Structure (40) is also connect with slide assemblies (10), and inductive component (20) is used to incude the movement of slide assemblies (10) and by movable signal It is sent to controller, controller is rotated according to movable signal and the output shaft of other signals of vehicle body control servo motor (30), watched It takes motor (30) and drives slide assemblies (10) mobile by transmission mechanism (40), slide assemblies (10) drive the work of hydraulic cylinder (50) Plug movement.

Further, the slide assemblies (10) include pedal connector (11), connect with pedal connector (11) One sliding bar (12), sliding shoe (13) and the first spring (15) being sheathed on the first sliding bar (12), pedal connector (11) One end far from the first sliding bar (12) is connect with external brake pedal.

Further, the pedal connector (11) includes articulated section (111) and joint interconnecting piece (112), joint connection Portion (112) is equipped with the first joint slot far from the end face of articulated section (111), and first sliding bar (12) is towards pedal connector (11) one end is equipped with the first spherical joint (121), and the first spherical joint (121) is located at the first pass of joint interconnecting piece (112) It saves in slot.

Further, the middle part of first sliding bar (12) is equipped with the snap ring (122) being radially provided projectingly, sliding The end face of motion block (13) towards the first sliding bar (12) is equipped with the first groove, and the first sliding bar (12) is far from pedal connector (11) one end is located in the first groove of sliding shoe (13), and the first end of the first spring (15) is abutted with snap ring (122), and second End is abutted with the first groove inner bottom wall of sliding shoe (13).

Further, the circumferential side wall of the one end of first sliding bar (12) far from pedal connector (11) is equipped with ring Connected in star (123), the inductive component (20) include sensor block (21) and contactless inductive unit (22), contactless inductive unit (22) relative induction block (21) interval setting, sensor block (21) includes the main body block (211) being mutually connected vertically and extension (212), main body block (211) is slideably embedded on the circumferential side wall of sliding shoe (13), and main body block (211) is far from sliding shoe (13) lateral wall in axle center is equipped with induction groove (214), and extension (212) connects close to the end in the axle center of sliding shoe (13) Be connected to clamping piece (213), clamping piece (213) end be equipped with card slot (14), clamping piece (213) extend into the first groove and with The annular groove (123) of first sliding bar (12) is clamped.

Further, the sliding shoe (13) includes sliding inner core (131), is set to sliding inner core (131) far from first The closing panel (132) of sliding bar (12) one end and the sliding sheath body (134) being coated on the outside of sliding inner core (131), in sliding The circumferential side wall of core (131) is equipped with strip hole (133), and the first groove is opened in sliding inner core (131) towards the first sliding bar (12) side, the extension (212) of sensor block (21) and clamping piece (213) pass through strip hole (133).

Further, the transmission mechanism (40) includes and the worm screw (41) of the output axis connection of servo motor (30), two A worm gear (42) engaged respectively with the two sides of worm screw (41), two respectively be fixedly connected in the middle part of two worm gears (42) turn Axis (43), the gear (44) at two tops for being sheathed on two shafts (43) respectively and engages and is individually fixed in gear (44) Two rack gears (45) of sliding shoe (13) two sides.

Compared with prior art, the electron assistant braking system of the utility model includes slide assemblies (10), inductive component (20), the controller that is connect with inductive component (20), servo motor connected to the controller (30), defeated with servo motor (30) The transmission mechanism (40) of axis connection and the hydraulic cylinder (50) being connect with slide assemblies (10) out, the first end of slide assemblies (10) with External brake pedal connection, second end are connect with the piston of hydraulic cylinder (50), and hydraulic cylinder (50) passes through hydraulic circuit and outside Braking system connection, transmission mechanism (40) also connect with slide assemblies (10), and inductive component (20) is used to incude slide assemblies (10) movable signal is simultaneously sent to controller by movement, and controller is according to movable signal and other signals of vehicle body control servo electricity The output shaft of machine (30) rotates, and servo motor (30) drives slide assemblies (10) mobile by transmission mechanism (40), slide assemblies (10) drive the piston of hydraulic cylinder (50) mobile.So there is auxiliary brake function and control sensitivity is higher.

Detailed description of the invention

The embodiments of the present invention are described below in conjunction with attached drawing, in which:

Fig. 1 is the stereoscopic schematic diagram of electron assistant braking system provided by the utility model.

Fig. 2 is that electron assistant braking system provided by the utility model removes the stereoscopic schematic diagram after outer cover.

Fig. 3 is the stereoscopic schematic diagram of the slide assemblies and inductive component in Fig. 2.

Fig. 4 is the perspective view of the explosion of the slide assemblies in Fig. 2.

Fig. 5 is the stereoscopic schematic diagram of the first sliding bar and sensor block in Fig. 2.

Fig. 6 is the stereoscopic schematic diagram of the sliding shoe in Fig. 2.

Fig. 7 is the schematic internal view of the sliding shoe in Fig. 2.

Fig. 8 is the enlarged diagram of part A in Fig. 2.

Fig. 9 is the connection schematic diagram of the hydraulic cylinder and slide assemblies in Fig. 2.

Figure 10 is the connection schematic diagram of the servo motor and transmission mechanism in Fig. 2.

Figure 11 is the stereoscopic schematic diagram of the servo motor in Fig. 2.

Specific embodiment

Specific embodiment of the utility model is further elaborated below based on attached drawing.It should be understood that The explanation of the utility model embodiment is not used to herein to limit the protection scope of the utility model.

Fig. 1 and Fig. 2 is please referred to, electron assistant braking system provided by the utility model includes slide assemblies 10, sense group Part 20, servo motor 30, is connect with the transmission mechanism 40 of the output axis connection of servo motor 30, with slide assemblies 10 controller Hydraulic cylinder 50, the sliding outer cover 60 for coating slide assemblies 10 and the top of transmission mechanism 40, and for coating driver The transmission outer cover 70 of 40 bottom of structure.

The first end of slide assemblies 10 is connect with external brake pedal, and second end is connect with the piston of hydraulic cylinder 50, liquid Cylinder pressure 50 is connect by hydraulic circuit with external braking system, and inductive component 20 is connect with controller, for incuding Slide Group Movable signal is simultaneously sent to controller by the movement of the section components of part 10, and controller is according to movable signal and vehicle body other letters Number, such as throttle signal, the output shaft rotation of servo motor 30 is controlled, servo motor 30 drives Slide Group by transmission mechanism 40 Part 10 is mobile, drives the piston of hydraulic cylinder 50 mobile when slide assemblies 10 are mobile, hydraulic cylinder 50 is controlled by hydraulic circuit and braked System acting.

Please continue to refer to Fig. 3 to Fig. 5, slide assemblies 10 include pedal connector 11, connect with pedal connector 11 the One sliding bar 12, sliding shoe 13 and the first spring 15 being sheathed on the first sliding bar 12.Pedal connector 11 is sliding far from first One end of lever 12 is connect with external brake pedal.

Pedal connector 11 includes articulated section 111 and joint interconnecting piece 112, and articulated section 111 and external connecting rod are hinged, even Bar is connect with external brake pedal.Joint interconnecting piece 112 is equipped with the first joint slot far from the end face of articulated section 111.

First sliding bar 12 is equipped with the first spherical joint 121 towards one end of pedal connector 11, the first sliding bar 12 Middle part is equipped with the snap ring 122 being radially provided projectingly, the circumference of first one end of sliding bar 12 far from pedal connector 11 Side wall is equipped with annular groove 123.First spherical joint 121 is located in the first joint slot of joint interconnecting piece 112, sliding shoe 13 It is equipped with the first groove towards the end face of the first sliding bar 12, the first sliding bar 12 is located at far from one end of pedal connector 11 to be slided In first groove of motion block 13, the first end of the first spring 15 is abutted with snap ring 122, the first groove of second end and sliding shoe 13 Inner bottom wall abuts.

Referring to FIG. 9, connecting device of hydraulic cylinder is provided between slide assemblies 10 and hydraulic cylinder 50, hydraulic cylinder connection dress Second for setting the positioning plate 16 of the side including being set to the first sliding bar 12 of separate direction of sliding shoe 13, being connect with positioning plate 16 Sliding bar 14, the second spring 17 being sheathed on the second sliding bar 14 and the spring fitting 18 being connect with hydraulic cylinder housing, the The first end of two springs 17 is abutted with sliding shoe 13, and second end is abutted with spring fitting 18.Second sliding bar 14 is far from sliding One end of block 13 is connect with the piston of hydraulic cylinder 50.In present embodiment, hydraulic cylinder housing is additionally provided in the outside of piston and leads To sleeve 51.Second sliding bar 14 can be located in pilot sleeve 51 with sliding axially.

Positioning plate 16 is equipped with second joint slot towards the side of the second sliding bar 14, and the second sliding bar 14 is towards sliding shoe 13 One end be equipped with the second spherical joint 141, far from sliding shoe 13 one end be equipped with third spherical joint 142.The work of hydraulic cylinder 50 Plug 51 is equipped with third joint slot towards one end of sliding shoe 13, and the second spherical joint 141 is located in second joint slot, and third is spherical Joint 142 is located in the third joint slot of piston.

Connecting device of hydraulic cylinder make be between slide assemblies 10 and hydraulic cylinder 50 activity and it is detachably connected, convenient for peace Dress and disassembly, while pilot sleeve 51 plays preferable guiding role to the movement of the second sliding bar 14, avoids the second sliding bar 14 biasings improve piston mobile reliability and efficiency.Second spring 17 makes sliding shoe 13 upon completion of the braking can be quick Ground restores to initial position, and spring fitting 18 is that second spring 17 provides support and protects hydraulic cylinder housing, so that hydraulic cylinder Shell by second spring 17 from being scratched.

Hydraulic cylinder housing, spring fitting 18 and sliding outer cover 60 are also connected by screw thread.

Inductive component 20 includes sensor block 21 and contactless inductive unit 22, contactless inductive 22 relative induction block 21 of unit Interval setting, and be set on sliding outer cover 60.Sensor block 21 includes the main body block 211 being mutually connected vertically and extension 212, Main body block 211 is slideably embedded on the circumferential side wall of sliding shoe 13, the outside in axle center of the main body block 211 far from sliding shoe 13 Wall is equipped with induction groove 214, and extension 212 is connected with clamping piece 213 close to the end in the axle center of sliding shoe 13, is clamped piece 213 end is equipped with card slot 214, and is clamped piece 213 and forms two stabilizer blades in card slot 214.It is clamped piece 213 and the first sliding bar 12 Annular groove 123 be clamped so that two stabilizer blades are located at the two sides of annular groove 123.In present embodiment, non-contact sense Answering unit 22 is photoelectric sensor, is used for sensitive groove 214.

Fig. 6 and Fig. 7 is please referred to, sliding shoe 13 includes sliding inner core 131, is set to sliding inner core 131 far from the first sliding The closing panel 132 of 12 one end of bar and the sliding sheath body 134 for being coated on 131 outside of sliding inner core, slide the circumference of inner core 131 Wall is equipped with strip hole 133, and the first groove is opened in sliding inner core 131 towards the side of the first sliding bar 12, sensor block 21 Extension 212 and clamping piece 213 pass through strip hole 133.Positioning plate 16 is fixedly connected with closing panel 132.

Slide assemblies 10 are realized to be detachably connected with brake pedal, and realizes the installation and function of inductive component 20 Realize, when the first sliding bar 12 is mobile inductive component 20 can actual induction its movement, while sliding shoe 13 can be opposing stationary, such as This reduces the load when movement of the first sliding bar 12, improves inductive component 20 and incudes the accurate of the first sliding bar 12 movement Degree.First spring 15 make the first sliding bar 12 after driver loosens the brake can fast quick-recovery to initial position.

With continued reference to FIG. 8, transmission mechanism 40 includes 41, two difference of worm screw with the output axis connection of servo motor 30 42, two shafts being fixedly connected respectively with the middle part of two worm gears 42 43 of the worm gear engaged with the two sides of worm screw 41, two points It is not sheathed on the gear 44 at the top of two shafts 43 and the sliding sheath body of sliding shoe 13 is engaged and be individually fixed in gear 44 Two rack gears 45 of 134 two sides.

Sliding outer cover 60 is located at the outside of transmission mechanism 40 and coats gear 44, rack gear 45 and the shaft 43 of transmission mechanism 40 Top.It is driven the bottom that outer cover 70 coats the output shaft of servo motor 30, worm screw 41, worm gear 42 and shaft 43.Slide outer cover 60 bottom is connect with the top of transmission outer cover 70.

Shaft 43 is vertical with worm screw 41, and rack gear 45 is parallel with worm screw 41, and the upper and lower ends of shaft 43 are equipped with bearing, improves The stability of shaft 43.

In this way, transmission mechanism 40 can drive sliding shoe 13 mobile from two sides respectively, avoids sliding shoe 13 from being biased to, improve shifting Dynamic efficiency and reliability improves the accuracy of control sliding shoe 13, avoids it by the cooperation of gear 44 and rack gear 45 His active force acts on sliding shoe 13 and bring is interfered.

Figure 10 and Figure 11 is please referred to, Motor connecting device, motor are provided between servo motor 30 and transmission mechanism 40 Attachment device include yielding coupling 33, the locking plug screw 34 outside yielding coupling 33, turning set be set to worm screw 41 lean on Ball bearing 35 in the outer perimeter wall of nearly 30 one end of servo motor and worm screw 41 is sheathed on far from the outer of 30 one end of servo motor Rolling bearing 36 on the peripheral wall of side.

Circumferentially edge is equidistantly provided with several first lobes 32 in the distal end faces of the output shaft 31 of servo motor 30, It is provided with the pawl 331 of several protrusions in the circumferential side wall of yielding coupling 33, forms gap, output shaft between adjacent pawl 331 31 several first lobes 32 are respectively positioned in the gap between the pawl 331 of yielding coupling 33.The middle part of locking plug screw 34 has Cavity, yielding coupling 33 are located in cavity.

Worm screw 41 is towards circumferentially to be equidistantly provided with several second prominent at edge on the end face of the first end of servo motor 30 Tooth 411, the first end of worm screw 41 is across locking plug screw 34 and several second lobes 411 are respectively positioned on the pawl 331 of yielding coupling 33 Between gap in, the second end of worm screw 41 has cylindrical section 412, and cylindrical section 412 passes through rolling bearing 36 and and rolling bearing 36 rotation connections.

The quantity of first lobe 31 is equal to the quantity of the second lobe 411, and the quantity of the pawl 331 of yielding coupling 33 is first Twice of lobe 31 or the second lobe 411.

Worm screw 41 is additionally provided with the bearing groove 413 of ring-shaped depression in the circumferential side wall of first end, and ball bearing 35 is arranged At the bearing groove 413 of worm screw 41.Ball bearing 35 and rolling bearing 36 carry out rotational support to worm screw 41 from both ends respectively, mention The high stability and reliability of worm screw 41.

Motor connecting device realizes being detachably connected between servo motor 30 and transmission mechanism 40, is easily installed and tears open It unloads, yielding coupling 33 can ensure that effective transmitting of rotation.

The shell of servo motor 30 is threadedly coupled by screw with transmission outer cover 70, the shell and transmission in servo motor 30 Sealing ring 37 is additionally provided between outer cover 70, to improve the leakproofness between servo motor 30 and transmission mechanism 40.

The course of work of electron assistant braking system provided by the utility model is illustrated below, driver steps on system Dynamic pedal, the first sliding bar 12 will be mobile towards sliding shoe 13, so that sensor block 21 follows movement, contactless inductive unit 22 is detectd The moving distance of sensor block 21 is surveyed, and movable signal is sent to controller, controller is according to movable signal and vehicle body other letters The output shaft rotation of number control servo motor 30, output shaft drives worm screw 41 to rotate, to drive two worm gears 42 to rotate, in turn So that two shafts 43 rotate, two gears 44 are driven, two gears 44 drive two rack gears for being fixed on 13 two sides of sliding shoe 45 is mobile towards hydraulic cylinder 50, and two rack gears 45 drive sliding shoe 13 mobile, so that the second sliding bar 14 is mobile, second is sliding Lever 14 drives the piston of hydraulic cylinder 50 to move in hydraulic cylinder 50, so that the hydraulic increase in hydraulic cylinder 50, hydraulic cylinder 50, which control braking system by hydraulic circuit, is braked.

Compared with prior art, the electron assistant braking system of the utility model include slide assemblies 10, inductive component 20, Controller, servo motor 30, with the transmission mechanism 40 of the output axis connection of servo motor 30 and the liquid being connect with slide assemblies 10 Cylinder pressure 50, the first end of slide assemblies 10 are connect with external brake pedal, and second end is connect with the piston of hydraulic cylinder 50, hydraulic Cylinder 50 is connect by hydraulic circuit with external braking system, and inductive component 20 is used to incude the section components of slide assemblies 10 Movable signal is simultaneously sent to controller by movement, and controller controls servo motor 30 according to movable signal and other signals of vehicle body Output shaft rotation, output shaft drive slide assemblies 10 mobile by transmission mechanism 40, and slide assemblies 10 drive the work of hydraulic cylinder 50 Plug movement, hydraulic cylinder 50 control brake block by hydraulic circuit and act.So have auxiliary brake function and control sensitivity compared with It is high.

The above is only the preferred embodiments of the utility model, are not used to the limitation protection scope of the utility model, any Modification, equivalent replacement or improvement within the spirit of the present invention etc. are all covered in the scope of the claims of the utility model.

Claims (7)

1. a kind of electron assistant braking system, it is characterised in that: including slide assemblies (10), inductive component (20) and sense group The controller of part (20) connection, servo motor connected to the controller (30), the biography with the output axis connection of servo motor (30) Motivation structure (40) and the hydraulic cylinder (50) connecting with slide assemblies (10), the first end of slide assemblies (10) are stepped on external braking Plate connection, second end are connect with the piston of hydraulic cylinder (50), and hydraulic cylinder (50) is connected by hydraulic circuit and external braking system It connects, transmission mechanism (40) is also connect with slide assemblies (10), and inductive component (20) is used to incude the movement of slide assemblies (10) simultaneously Movable signal is sent to controller, controller is according to movable signal and the output of other signals of vehicle body control servo motor (30) Axis rotation, servo motor (30) drive slide assemblies (10) mobile by transmission mechanism (40), slide assemblies (10) band hydrodynamic pressure The piston of cylinder (50) is mobile.

2. electron assistant braking system as described in claim 1, it is characterised in that: the slide assemblies (10) include that pedal connects Fitting (11), the first sliding bar (12) connecting with pedal connector (11), sliding shoe (13) and it is sheathed on the first sliding bar (12) the first spring (15) on, pedal connector (11) one end and external brake pedal far from the first sliding bar (12) connect It connects.

3. electron assistant braking system as claimed in claim 2, it is characterised in that: the pedal connector (11) includes hinged Portion (111) and joint interconnecting piece (112), joint interconnecting piece (112) are equipped with the first joint far from the end face of articulated section (111) Slot, first sliding bar (12) are equipped with the first spherical joint (121) towards one end of pedal connector (11), the first spherical pass Section (121) is located in the first joint slot of joint interconnecting piece (112).

4. electron assistant braking system as claimed in claim 2, it is characterised in that: set in the middle part of first sliding bar (12) There is the snap ring (122) being radially provided projectingly, the end face of sliding shoe (13) towards the first sliding bar (12) is equipped with first Groove, the first sliding bar (12) are located in the first groove of sliding shoe (13) far from the one end of pedal connector (11), the first bullet The first end of spring (15) is abutted with snap ring (122), and second end is abutted with the first groove inner bottom wall of sliding shoe (13).

5. electron assistant braking system as claimed in claim 4, it is characterised in that: first sliding bar (12) is far from pedal The circumferential side wall of one end of connector (11) is equipped with annular groove (123), and the inductive component (20) includes sensor block (21) And contactless inductive unit (22), the setting of contactless inductive unit (22) relative induction block (21) interval, sensor block (21) include The main body block (211) and extension (212) being mutually connected vertically, main body block (211) are slideably embedded into sliding shoe (13) On circumferential side wall, the lateral wall in axle center of the main body block (211) far from sliding shoe (13) is equipped with induction groove (214), extension (212) end close to the axle center of sliding shoe (13) is connected with clamping piece (213), and the end of clamping piece (213) is equipped with card slot (14), clamping piece (213) extend into the clamping of the annular groove (123) in the first groove and with the first sliding bar (12).

6. electron assistant braking system as claimed in claim 5, it is characterised in that: the sliding shoe (13) includes sliding inner core (131), it is set to the closing panel (132) of separate first sliding bar (12) one end of sliding inner core (131) and is coated in sliding The circumferential side wall of sliding sheath body (134) on the outside of core (131), sliding inner core (131) is equipped with strip hole (133), the first groove It is opened in side of sliding inner core (131) towards the first sliding bar (12), the extension (212) and clamping piece of sensor block (21) (213) strip hole (133) are passed through.

7. electron assistant braking system as claimed in claim 2, it is characterised in that: the transmission mechanism (40) includes and servo The worm screw (41) of the output axis connection of motor (30), two worm gears (42) engaged respectively with the two sides of worm screw (41), two points Not with the shaft (43) that is fixedly connected in the middle part of two worm gears (42), the tooth at two tops for being sheathed on two shafts (43) respectively Wheel (44) and two rack gears (45) that sliding shoe (13) two sides are engaged and be individually fixed in gear (44).