CN1877968A

CN1877968A - Gear shifting motor

Info

Publication number: CN1877968A
Application number: CNA2006100523476A
Authority: CN
Inventors: 林建光; 方树功; 丛子元; 王华东; 蔡华银
Original assignee: 林建光
Current assignee: Zhejiang Ruipeng Automobile Electric Appliance Co., Ltd.
Priority date: 2006-07-07
Filing date: 2006-07-07
Publication date: 2006-12-13
Anticipated expiration: 2026-07-07
Also published as: CN100488005C

Abstract

The invention discloses a shift motor, which is characterized by the following: loading Hall inducer 6 with magnetic property on the brush rocker 4 of brush rocker component; casing induction counting gear 7 corresponding to Hall inducer on the motor shaft 8 of rotor component; connecting reducer case 1 of reducer case component and gear shaft 2; casing buffer bulk 14 on the gear shaft 2; casing buffer gear 15, plastic sleeve 16 on the outer and inner sides of buffer bulk 14 separately; opening spring groove 17 with buffer spring 18 on the top of buffer bulk 14; connecting lid gear 19 in the inner part of buffer bulk 14; gearing lid gear 19 and positive gear 12. The invention protects driven part effectively, which is fit for automobile fork and shift sequently and precisely.

Description

Gear shifting motor

One, technical field

The present invention relates to a kind of motor.

Two, background technology

Existing common electric machine generally is made of parts such as reducing gearbox assembly, brush holder yoke assembly, rotor assembly, stator module, driving gear, gear cover plate assemblies, wherein the reducing gearbox assembly comprises decelerator shell, gear shaft, gear shaft and decelerator shell flexibly connect, driving gear is contained on the gear shaft, and gear shaft links to each other with motor transmission part outward again; Rotor assembly comprises motor shaft, rotor winding, commutator.Its course of work is: the rotation by motor shaft drives driving gear and makes the gear shaft rotation, thereby drives transmission part work.Its weak point is: directly by gear shaft output torque, the impulsive force of generation is bigger, and transmission part is damaged for it; The rotating speed of motor shaft can't accurate Calculation.When particularly working by the manual shift fork that repacks the control gear shift of self-shifting automobile into, incompatible more for drive.

Three, summary of the invention

The objective of the invention is to overcome above-mentioned deficiency, and provide that a kind of impact to transmission part is less, output speed and the accurate gear shifting motor of direction signal.

Purpose of the present invention realizes by following technical solution: a kind of gear shifting motor, comprise the reducing gearbox assembly, the brush holder yoke assembly, rotor assembly, stator module, driving gear, the gear cover plate assembly, plug connector, wherein the reducing gearbox assembly comprises the decelerator shell, gear shaft, the brush holder yoke assembly comprises brush, brush holder, rotor assembly comprises motor shaft, the rotor winding, commutator, magnetic hall sensor is housed on the brush holder of described brush holder yoke assembly, the wiring of this hall sensor is located in the plug connector, on the motor shaft of described rotor assembly, be with the sense counter gear with corresponding position, magnetic hall sensor position; The decelerator shell of described reducing gearbox assembly is fixedlyed connected with gear shaft, on gear shaft, be with the buffer main body, the buffer external side of main body is with the buffer gear, the inboard of buffer main body is with plastic sheath, the inner top of buffer main body has spring groove and buffer spring is housed, the inner top of buffer main body is connected with the cover plate gear, and the cover plate gear is meshed with driving gear again.

After adopting structure of the present invention, link to each other with transmission part by the buffer gear.Drive driving gear by motor shaft cover plate gear, buffer main body and buffer gear are rotated, because the cushioning effect of buffer spring and transmission part is impacted less has been protected the safety of transmission part effectively.Simultaneously,, make that the present invention is specially adapted to the shift fork on the automobile is realized smooth, accurately gear shift, have significant technological progress because the speed and the direction of motor shaft rotation can be accurately measured in the effect of sense counter gear and magnetic hall sensor.

Four, description of drawings

The present invention is described in further detail below in conjunction with accompanying drawing and execution mode.

Fig. 1 is the structural representation of gear shifting motor of the present invention.

Fig. 2 is the structural representation of Bunper assembly of the present invention.

Fig. 3 is the A-A cutaway view of Fig. 2.

Fig. 4 is the front view of the buffer main body among Fig. 3.

Fig. 5 is the winding diagram of the plug connector among Fig. 1.

Five, embodiment

Referring to figs. 1 through Fig. 4 as can be known, gear shifting motor of the present invention, comprise the reducing gearbox assembly, the brush holder yoke assembly, rotor assembly, stator module 5, driving gear 12, gear cover plate assembly 11, plug connector 13, blanking cover assembly 20, wherein the reducing gearbox assembly comprises decelerator shell 1, gear shaft 2, the brush holder yoke assembly comprises brush 3, brush holder 4, rotor assembly comprises motor shaft 8, rotor winding 9, commutator 10, magnetic hall sensor 6 (on its wiring board permanent magnet being housed) is housed on the brush holder 4 of described brush holder yoke assembly, the wiring of this hall sensor 6 is located in the plug connector 13, on the motor shaft 8 of described rotor assembly, be with sense counter gear 7 (the uniformity height of its magnetic pole angle, material are electrical pure iron) with corresponding position, magnetic hall sensor position; The decelerator shell 1 of described reducing gearbox assembly is fixedlyed connected with gear shaft 2, on gear shaft 2, be with buffer main body 14, the outside of buffer main body 14 is with buffer gear 15, the inboard of buffer main body 14 is with plastic sheath 16 (as shown in Figure 2), the inner top of buffer main body 14 has spring groove 17 and buffer spring 18 (as shown in Figure 3, Figure 4) is housed, the inner top of buffer main body 14 is connected with cover plate gear 19, and cover plate gear 19 is meshed with driving gear 12 again.In order to reach better buffering effect, described buffer main body 14, buffer gear 15, plastic sheath 16 constitute all-in-one-piece buffer secondary component and (form integral type through the quadric injection mould shaping, as shown in Figure 2).

Wherein the brush 3 of brush holder yoke assembly is corresponding with commutator 10 positions of rotor assembly; Stator module 5 comprises motor housing, magnetic shoe; 4 wiring are arranged on the plug connector, and as shown in Figure 5: wiring A, B are the wiring of hall sensor, join with electronic controller (ECU) on the automobile; Wiring C, D are respectively anodal, negative pole joins with power supply on the automobile; On gear shaft 2 outsides, be with and clamp back-up ring 21 and link to each other, to fix the buffer main body with buffer main body 14; Cover plate gear 19 is to be enclosed within on the inboard of gear shaft 2, and tightly suppress buffer spring 18 and buffer main body 14, plastic sheath 16 uses (as shown in Figure 2) as the base plate of buffer spring 18, can be according to the watt level of gear shifting motor to select the buffer spring of different model; Described buffer main body 14, buffer gear 15, plastic sheath 16, buffer spring 18, cover plate gear 19 constitute Bunper assembly (as shown in Figure 2).

At present, manual automobile is the difference according to road conditions, realizes the speed speed of vehicle by the variation of manual control gear.It need often step on dynamic clutch, and constantly conversion gear (manually, comprising gear shift, gear selecting) is realized changes in vehicle speed, especially for driving new student, operate more loaded down with trivial details, the difficult grasp of action.Present then can be on the basis of manual automobile, by mounting vehicle fluid drive executive system (AMT), promptly on the clutch of automobile, connect the clutch motor assembly, on shift fork, connect the gear shifting motor assembly, on declutch shift shaft, connect gear selecting motor assembly etc., by automobile electronic controller (ECU) according to the variation of car speed by gear shift and gear selecting that solenoidoperated cluthes motor, gear shifting motor, gear selecting motor come automatic solenoidoperated cluthes work, gear, no longer need manual control.Compare with automatic gearshift automobile, replaced former hydraulic jack actuator, removed the complicated oil sources device that hydraulic operation needs from by AMT, replace an oil cylinder and two electromagnetically operated valves with a motor, greatly reduce production cost, and designs simplification, the operating reliability height.

The present invention be applied to especially in the automobile automatic gear executive system (AMT) the gear shifting motor assembly partly, link to each other with shift fork on the automobile by the buffer gear of gear shifting motor.The operation principle of this gear shifting motor is: automobile electronic controller (ECU) sends instruction according to the variation of car speed and makes gear shifting motor work, motor shaft rotates and drives driving gear cover plate gear, buffer main body and buffer gear are rotated, thereby drives shift fork work.Simultaneously, pass to electronic controller on the automobile (ECU) by the rotation of sense counter gear and the direction of rotation and the speed pulse signal of the relation of the magnetic induction between magnetic hall sensor generation.Because the uniformity height of the magnetic pole angle of sense counter gear 7, make that the sinusoidal signal of Hall element output is very regular, avoid last output square-wave signal the phase jitter phenomenon appears, can not cause measure error, can accurately measure the rotating speed and the direction of motor shaft.ECU compares signal and the original storage parameter that receives then, and other parameter in the composite vehicle running, accurately assigns the instruction that changes its direction and speed to gear shifting motor again.After finishing the gear shift task, ECU promptly sends instruction quits work gear shifting motor.

Claims

1, a kind of gear shifting motor, comprise the reducing gearbox assembly, the brush holder yoke assembly, rotor assembly, stator module (5), driving gear (12), gear cover plate assembly (11), plug connector (13), wherein the reducing gearbox assembly comprises decelerator shell (1), gear shaft (2), the brush holder yoke assembly comprises brush (3), brush holder (4), rotor assembly comprises motor shaft (8), rotor winding (9), commutator (10), it is characterized in that: on the brush holder (4) of described brush holder yoke assembly, magnetic hall sensor (6) is housed, the wiring of this hall sensor (6) is located in the plug connector (13), on the motor shaft (8) of described rotor assembly, be with sense counter gear (7) with corresponding position, magnetic hall sensor position; The decelerator shell (1) of described reducing gearbox assembly is fixedlyed connected with gear shaft (2), on gear shaft (2), be with buffer main body (14), the outside of buffer main body (14) is with buffer gear (15), the inboard of buffer main body (14) is with plastic sheath (16), the inner top of buffer main body (14) has spring groove (17) and buffer spring (18) is housed, the inner top of buffer main body (14) is connected with cover plate gear (19), and cover plate gear (19) is meshed with driving gear (12) again.

2, gear shifting motor as claimed in claim 1 is characterized in that: described buffer main body (14), buffer gear (15), plastic sheath (16) constitute all-in-one-piece buffer secondary component.