CN2244498Y

CN2244498Y - Motor sleeve structure of steering device for rear-view mirror of automobile

Info

Publication number: CN2244498Y
Application number: CN 96202486
Authority: CN
Inventors: 王振惠
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-02-26
Filing date: 1996-02-26
Publication date: 1997-01-08
Anticipated expiration: 2006-02-26

Abstract

The utility model relates to a motor sleeve barrel structure of a steering device for the rear-view mirror of an automobile. The utility model comprises an integral sleeve barrels, two sets of motors, a spring tab, a spring lantern ring and a gear drive mechanism. The motors are arranged on the sleeve barrels, and the gear drive mechanism is driven by the motors. The seat holes of integral sleeve barrels are designed to an integrative structure, and the spring lantern ring is fixedly connected with the axle necks of the output of the motors; thereby, the good circular degree, the good coaxiality and the accurate positioning of the axle hole of the gear can be guaranteed, the frictional resistance between the driving members can be lowered, the easy assembly is realized, the production quality is improved, the swing motion during the working operation of the motors can be lowered, the jumping action of the central gear can be lowered, and the rotational flexibility of the steering device can be improved. The utility model a novel product which has the advantages of reasonable structure and good performance, and the utility model can replace imported products.

Description

The motor sleeve structure of automobile rearview mirror deflector

The utility model relates to the improvement of the motor sleeve structure of rule mirror deflector behind the automobile.

Automobile rearview mirror provides the necessary annex of driver's observation front vehicle operation conditions, it is the assurance of guaranteeing safe driving, it relies on deflector to adjust angle, make chaufeur can observe the situation of particular orientation, and motor sleeve is the core that motor is installed, and is the critical component that guarantees that deflector is rotated flexibly.The back mirror deflector of domestic car use at present is external import, disjunctor sleeve in its motor sleeve parts is divided into loam cake and goes to the bottom, the greatest drawback of this split type unreasonable structure is that difficulty is installed, cover, have dislocation slightly when the end closes up just the circular hole precision and the right alignment in influence seat hole, gear after the assembling is obstructed in transmission process, influence the rotating property of deflector, simultaneously, elastic collar only plays the interconnect function at lid, the end, because of unfixing, be easy to generate shaking phenomenon when making machine operation with motor shaft.

The purpose of this utility model is to overcome the defective of prior art, and the motor sleeve structure of the automobile rearview mirror deflector that a kind of structure is more reasonable, performance is more good is provided to society.

The utility model is realized by following scheme: comprise the disjunctor sleeve, be located at 2 on disjunctor sleeve cover motor, spring leaf, the spring collar and by motor-driven gear drive, its special character is that described disjunctor sleeve is an one-piece construction in the seat hole that spring leaf, the spring collar and gear drive are set; The described spring collar and motor output shaft neck close-fitting are fixed.

The utility model compared with prior art, more reasonable structure, more excellent performance, because the disjunctor sleeve is by the split type integral structure that changes into, make gear wheel shaft hole circle degree good, the right alignment of disjunctor receiver hole and gear drive improves greatly, reduced the friction drag between disjunctor sleeve and the gear, make the deflector stability of rotation flexible, and assembling easily, and product design improves: because the spring collar and motor axle journal are fixed, the location accurately, jumping phenomena when rocking when greatly reducing machine operation rotated with sun gear, thus the rotation alerting ability of deflector improved.

Description of drawings.

Fig. 1 is the utility model contour structures scheme drawing.

Fig. 2 for the A of Fig. 1 to view (shedding motor and spring leaf).

Fig. 3 is the B-B cutaway view (shedding motor and spring leaf) of Fig. 1.

Fig. 4 is the gear drive enlarged drawing after shedding at the bottom of the tooth.

By the above-mentioned accompanying drawing embodiment that provides the utility model is described in further detail.

Shown in Fig. 1-4, the motor sleeve structure of automobile rearview mirror deflector comprises disjunctor sleeve (1), this disjunctor sleeve two axial lines is mutually 14 ° of angles, the integral molded plastic moulding, make the seat hole that other pieces are installed form one-piece construction, the disjunctor sleeve is provided with 2 cover motors (6), spring leaf (5), the spring collar (2) and by motor-driven gear drive.Close-fitting is fixed with the spring collar on the motor output shaft neck, it between the spring collar and the motor spring leaf of open-work, spring leaf, the spring collar, gear drive are located in the seat hole of disjunctor sleeve, the spring collar utilizes 2 the symmetrical flanges (3) that self have to be entrenched in the notch (4) of 2 symmetries of disjunctor sleeve, and spring leaf is close to the inner end surface of the spring collar.

Motor output shaft is provided with the gear drive that is in transmission connection with it, it comprises the sun gear (11) of (12) at the bottom of the tooth lid (9) that is positioned at mutual close-fitting and the tooth, this sun gear is a stem gear, one end axle head is " ten " word groove structure, be in transmission connection with the flat department tabling formation of motor output shaft axle head, the other end is bearing in the tooth lid axis hole.Simultaneously 3 uniform dual gears (10) are arranged with sun gear is intermeshing, and tooth covers and has and dual gear (miniature gears part) ingear internal tooth and output gear (8), and the overhanging end of output gear is bearing in gusset (7) one holes with disjunctor sleeve one and tooth bar (not shown) engagement transferring power.Movable spheroid in tooth bar and the deflector is fixed, finish the angular adjustment of deflector and bear by movable spheroid, and the power resources of movable spheroid in above-mentioned by motor-driven gear drive.Have at the bottom of the tooth and dual gear (big gear wheel part) ingear internal tooth.Be positioned in after being press-fitted mutually at the bottom of tooth lid and the tooth in the seat hole of disjunctor sleeve.

The transmittance process of power is: motor shaft drives the sun gear rotation, sun gear warp and dual gear engaged transmission, dual gear (miniature gears part) covers engaged transmission with tooth again, drive the output gear rotation with tooth lid one, reach the light deflector angle with its fixing movable spheroid as synchronization action and turn to the adjusting purpose thereby drive to move with its ingear tooth bar and make.

When doing normal rotation, the tooth lid is failure to actuate at the bottom of the tooth; but when tooth bar moves vertically to end position; and motor continues to keep rotation; dual gear this moment (big gear wheel part) and rotation at the bottom of the engagement driving gear at the bottom of the tooth; rotation at the bottom of the tooth has protected motor not burnt, and the purpose of toothing promptly is this in containing at the bottom of the tooth.

The effect of spring leaf is to increase moment, and it should guarantee that the weight that has greater than 800 grams can make tooth bar rise, and spheroid is guaranteed can rotate at the bottom of the tooth when tooth bar moves to end position by jack-up again, prevents burn-down of electric motor.

The startup of 2 cover motors realizes by control mechanism, can single startup or 2 overlap startup simultaneously, and perhaps positive and negative direction starts, and needs decide on adjustment.

Claims

1. the motor sleeve structure of an automobile rearview mirror deflector.Comprise disjunctor sleeve (1), be located at 2 on disjunctor sleeve cover motor (6), spring leaf (5), the spring collar (2) and, it is characterized in that by motor-driven gear drive:

A. described disjunctor sleeve is an one-piece construction in the seat hole that spring leaf, the spring collar and gear drive are set;

B. the described spring collar and motor output shaft neck close-fitting are fixed.

2. the motor sleeve structure of automobile rearview mirror deflector as claimed in claim 1, it is characterized in that described gear drive comprises sun gear (11) and the while and intermeshing 3 the uniform dual gears of sun gear (10) of (12) at the bottom of the tooth lid (9) that is positioned at mutual close-fitting that is in transmission connection with motor (6) output shaft and the tooth, tooth covers to have and dual gear one miniature gears part ingear internal tooth and output gear (8), has the internal tooth with dual gear one big gear wheel partial tooth engagement at the bottom of the tooth.