CN100418814C

CN100418814C - Structure of vehicle rear view mirror windshield wiper

Info

Publication number: CN100418814C
Application number: CNB200610109323XA
Authority: CN
Inventors: 林江分
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-08-08
Filing date: 2006-08-08
Publication date: 2008-09-17
Anticipated expiration: 2026-08-08
Also published as: CN1903625A

Abstract

The present invention provides a vehicle rearview mirror wiper structure. It is mainly characterized by that on the back surface of rearview mirror a wiper driving device is set, the described wiper driving device is equipped with a drive motor, said drive motor has an extended drive gear, the described drive gear is meshed with a speed-change gear group, the described speed-change gear group is coupled with a driven gear, the rotating shaft of said driven gear is passed through and extended on the mirror surface of front face of the rearview mirror, on the rotating shaft a connecting bar is set, and on the described connecting bar is wiper is mounted, Besides, said invention also provides the working principle of said vehicle rearview mirror wiper structure and its operation method.

Description

Structure of rain strip for rearview mirror of vehicle

Technical field

The present invention relates to a kind of structure of rain strip for rearview mirror of vehicle, particularly a kind of water liquid of removing on the vehicle mirrors minute surface is for the clear Wiper structure of watching back mirror.

Background technology

General vehicle is when driving, and the situation that the driver must watch back car via the left and right back mirror of collocation is for turning, overtake other vehicles, note when lane change, parking and grasping the driving situation; Yet, because vehicle mirrors is to be arranged at the car body outside, so when the rainy day drives a vehicle, the water liquid of rainwater can be attached on the rear-vision mirror face of vehicle, and make rear-vision mirror face be covered with water droplet, visbility is greatly reduced, and influence the effect of back mirror, cause the driver to watch the back car situation, and then influence traffic safety by back mirror is clear; Therefore, the inventor is to concentrate on studies, improve because existing rainy day steering vehicle has as above-mentioned disappearance, is initiated out the present invention then.

Summary of the invention

Purpose of the present invention is that a kind of water liquid of removing on the vehicle mirrors minute surface is being provided, for the clear structure of rain strip for rearview mirror of vehicle of the scene that reflects on the back mirror of watching.

The technical solution adopted in the present invention is: the back side in back mirror is provided with wiper gear mechanism, described wiper gear mechanism is to be provided with drive motor, drive motor is to stretch to be provided with transmission gear, described transmission gear is to be meshed with a change-gear set, described change-gear set interlock one driven gear, the rotating shaft of described driven gear is to be extended through on the minute surface in back mirror front, is provided with connecting rod in rotating shaft, and described connecting rod is provided with rain brush.

Structure of rain strip for rearview mirror of vehicle of the present invention, wiper gear mechanism by its setting, forward and reverse rotation by drive motor, drivening rod back and forth revolves to move to be done, the brush finish of rain brush then can be removed the water droplet on the minute surface clean, make minute surface keep bright, the clear scene of watching reflection in the back mirror of a driving of can buying car in installments is to guarantee traffic safety.

Description of drawings

Fig. 1 is a three-dimensional exploded view of the present invention;

Fig. 2 is the three-dimensional exploded view of another angle of wiper gear mechanism of the present invention;

Fig. 3 is a three-dimensional combination figure of the present invention;

Fig. 4 is a side-looking generalized section of the present invention;

Fig. 5 for the running condition of rain brush of the present invention with reference to figure one;

Fig. 6 for the running condition of rain brush of the present invention with reference to figure two;

Fig. 7 for the running condition of rain brush of the present invention with reference to figure three.

Description of reference numerals: 1 back mirror; 11 minute surfaces; Twelve punch; 13 screws; 2 wiper gear mechanisms; 20 bases; 200 rooms; 201 bearings; 202 axis holes; 203 blocks; 204 location shrinkage pools; 205 lugs; 206 perforation; 21 cover caps; 210 rooms; 211 lugs; 212 perforation; 213 motor bearings; 214 perforation; 215 location shrinkage pools; 22 affixed assemblies; 23 drive motors; 230 transmission gears; 24 change-gear sets; 240 fulcrums; 241 gears; 242 gears; 25 driven gears; 250 projections; 251 rotating shafts; 252 tangent planes; 253 annular grooves; 3 connecting rods; 30 axis holes; 4 rain brush; 40 flexure strips; 41 brush finish; 5 locationss; 50 shrinkage pools; 51 bulge loops.

The specific embodiment

About the present invention reaches above-mentioned application target and effect, the technological means that is adopted is enumerated preferable feasible embodiment, and cooperate graphic shown in, details are as follows:

At first, see also Fig. 1 to shown in Figure 4, the present invention includes:

Back mirror 1 is provided with minute surface 11 in the front of back mirror 1, and described minute surface 11 is provided with a perforation 12 break-through in the back side, is provided with several screws 13 in the back side of back mirror 1;

Wiper gear mechanism 2, be the back side of being located at back mirror 1, described wiper gear mechanism 2 is provided with base 20, described base 20 is provided with room 200, is provided with a bearing 201 in base 20, and described bearing 201 is provided with an axis hole 202, in the room 200 of base 20, convex with a block 203 (as shown in Figure 2), be provided with two location shrinkage pools 204 in room 200 inner faces, the periphery of described base 20 is provided with several lugs 205, is provided with perforation 206 in lug 205; One cover cap 21 is to be covered on the base 20, be provided with room 210 in the described cover cap 21, on lug 205 positions of the peripheral corresponding base 20 of cover cap 21, be provided with lug 211 relatively, be provided with perforation 212 in lug 211, several affixed assemblies 22 are to be arranged in the perforation 212,206 of cover cap 21 and base 20 and to be locked on the screw 13 at back mirror 1 back side, be provided with a motor bearing 213 in cover cap 21, be provided with a perforation 214 break-through in the described motor bearing 213 in room 210, be provided with two location shrinkage pools 215 in room 210 inner faces; One drive motor 23 is to be mounted in the motor bearing 213 of cover cap 21, is to be provided with a transmission gear 230 in the rotating shaft of described drive motor 23, and described transmission gear 230 is the perforation 214 that are arranged in the motor bearing 213, and is positioned at the room 210 of cover cap 21; One change-gear set 24 is to be located in the room 200,210 of base 20 and cover cap 21, described parameter gear cluster 24 is provided with the transmission that is meshing with each other of several gears that vary in size by two fulcrums 240 and forms, one end of its two fulcrum 240 is to be inserted in the location shrinkage pool 204 of base 20, the other end then is inserted in the location shrinkage pool 215 interior location of cover cap 21, and a wherein gear 241 of described change-gear set 24 is to be meshed with the transmission gear 230 of drive motor 23; One driven gear 25 is to be located in the room 200 of base 20, described driven gear 25 is to be meshed with another gear 242 of change-gear set 24, described driven gear 25 is provided with a projection 250, be provided with a rotating shaft 251 in driven gear 25, described rotating shaft 251 is the perforation 12 that are extended through axis hole of bearing 201 202 and back mirror 1, described rotating shaft 251 nearly ends are provided with a tangent plane 252, are provided with an annular groove 253 in rotating shaft 251;

One connecting rod 3 is to be located in the rotating shaft 251 of driven gear 25, and is positioned at the front of back mirror 1, described connecting rod 3 be provided with one with the axis hole 30 of the section similar shape at rotating shaft 251 tool tangent planes 252 places of driven gear 25, wear the location for rotating shaft 251;

One rain brush 4, be to be sheathed on the connecting rod 3, described rain brush 4 is soft body, is provided with flexure strip 40 in rain brush 4 inside, the outer end closing that makes described rain brush 4 is the elasticity bending when the edge of minute surface 11, the brush finish 41 of described rain brush 4 is to be posted by on the minute surface of back mirror 1 11;

Positioning piece 5, it is a side of being located at connecting rod 3, build-in is in the rotating shaft 251 of driven gear 25 simultaneously, be provided with a shrinkage pool 50 in the described locations 5, be provided with a bulge loop 51 in shrinkage pool 50, described bulge loop 51 is to be embedded in the annular groove 253 of rotating shaft 251, is fixed in the rotating shaft 251 for the end with connecting rod 3, so, be the back mirror of a tool rain brush.

When vehicle desires to brush rainwater on back mirror 1 minute surface 11, see also Fig. 3 to shown in Figure 7, drive motor 23 runnings that only must start wiper gear mechanism 2 are so that transmission gear 230 rotations, 230 drives of transmission gear and the wherein gear 241 of ingear change-gear set 24 rotate, via a plurality of gear-driving speed-variables of described change-gear set 24 obtain must rotating speed, and another gear 242 of change-gear set 24 drives driven gear 25 rotations that are engaged with again, 251 drivening rod 3 turns of the rotating shaft of described driven gear 25, its connecting rod 3 drives rain brush 4 turn thereupon then, 4 of rain brush are that the axle center is camber line and revolves and move with rotating shaft 251, described rain brush 4 is to be made as soft body and to be provided with flexure strip 40 in inside, when rain brush 4 brushes are against minute surface 11 root edges of back mirror 1, the outer end of rain brush 4 can be bent along the inner edge of

minute surface

11,40 of rain brush 4 in-to-in flexure strips are elasticity bending state (as shown in Figure 7), when the rotating shaft 251 drive rain brush 31 of driven gear 25 rotate to back mirror 1 lower edge, projection 250 on its driven gear 25 is block 203 1 ora terminalis that abut against in base 20 rooms 200, and rotating shaft 251 can't be rotated again, torsion under its drive motor 23 continuous runnings then can become big, torsion becomes 23 of drive motors after big and can stop describedly being antiport to running, antiport by drive motor 23, make rotating shaft 251 be contrarotation, oppositely upwards revolve and move and drive rain brush 4, when rain brush 4 upwards revolves when moving, rain brush 4 in-to-in flexure strips 40 no longer are subjected to the edge extruding of back mirror 1 then to be elastic recovery, with rain brush 4 correctings is flat (as shown in Figure 6), and be able to the smooth water droplet that brushes on the minute surface 11, when treating that rain brush 4 rotates to level attitude (apical margin of back mirror 1), projection 250 on its driven gear 25 is block 203 another ora terminalis that abut against in base 20 rooms 200, and rotating shaft 251 can't be rotated again, after the torsion of its drive motor 23 becomes greatly once more, then can stop describedly being antiport once more to running, driving rain brush 4 once more moves to backspin, so back and forth revolve to move and do, 41 of the brush finish of rain brush 4 can be removed the water droplet on the minute surface 11 clean, make minute surface 11 keep bright, the clear scene that reflects in the back mirror 1 of watching of a driving of can buying car in installments is to guarantee traffic safety.

Claims

1. structure of rain strip for rearview mirror of vehicle, it is characterized in that: the back side in back mirror is provided with wiper gear mechanism, described wiper gear mechanism is to be provided with drive motor, drive motor is to stretch to be provided with transmission gear, described transmission gear is to be meshed with a change-gear set, described change-gear set interlock one driven gear, and the rotating shaft of described driven gear is to be extended through on the minute surface in back mirror front, be provided with connecting rod in rotating shaft, described connecting rod is provided with rain brush.

2. structure of rain strip for rearview mirror of vehicle as claimed in claim 1, wherein, wiper gear mechanism is to be provided with base and cover cap, described base and cover cap are to be provided with room, transmission gear, change-gear set and driven gear are located in the room of base and cover cap, base and cover cap are the back side that is fixedly arranged on back mirror, and cover cap is provided with the motor bearing of establishing for the drive motor group, and base is provided with the bearing that the rotating shaft for driven gear wears.

3. structure of rain strip for rearview mirror of vehicle as claimed in claim 1, wherein, driven gear is provided with projection.

4. structure of rain strip for rearview mirror of vehicle as claimed in claim 2 wherein, is provided with block in the room of base.

5. structure of rain strip for rearview mirror of vehicle as claimed in claim 1, wherein, the rotating shaft of driven gear is provided with tangent plane, and connecting rod is provided with axis hole, and the section form that the tangent plane part is set in the section form of described axis hole and the rotating shaft is identical.

6. structure of rain strip for rearview mirror of vehicle as claimed in claim 1, wherein, the rotating shaft of driven gear is provided with annular groove, and described connecting rod is provided with locations, be provided with shrinkage pool in this locations, be provided with bulge loop in shrinkage pool, described bulge loop is to be embedded in the annular groove of rotating shaft, and an end of connecting rod is positioned in the rotating shaft.

7. structure of rain strip for rearview mirror of vehicle as claimed in claim 6, wherein, described locations while build-in is in the rotating shaft of driven gear.