CN103147653A

CN103147653A - Automobile glass lifter

Info

Publication number: CN103147653A
Application number: CN201310085847XA
Authority: CN
Inventors: 陈世奇
Original assignee: Ningbo Stone Auto Accessory Co Ltd
Current assignee: Ningbo Stone Auto Accessory Co Ltd
Priority date: 2013-03-18
Filing date: 2013-03-18
Publication date: 2013-06-12
Anticipated expiration: 2033-03-18
Also published as: CN103147653B

Abstract

The invention discloses an automobile glass lifter which comprises a master arm, an auxiliary arm, a fixed guide rail, a movable guide rail, an arc toothed plate, a spline engaged with the arc toothed plate, and a bottom plate, wherein the arc toothed plate comprises a fixing part fixed with the master arm, and a rack part slidingly arranged on the fixing part. According to the automobile glass lifter, when glass reaches a lower limit position, a rack is separated from the toothed plate, and the spline drives the rack to slide on the toothed plate, so that a motor cannot be blocked at the lower limit position, and damages to the motor and the toothed plate are reduced.

Description

A kind of automobile glass lifter

Technical field

The present invention relates to the lifting gear on vehicle glass.

Background technology

Automobile glass lifter refers to by motor or manual drives, and by transmission mechanism, automobile window glass risen or descends along the glass gathering sill, and can rest on request the device of optional position.

General arm-type riser structure such as Fig. 1 of intersecting, mainly to be driven by direct current generator, by motor internal gear, outside driving toothed plate 2 and by master arm 3, decide the motion of the four-bar mechanism that guide rail 5, auxiliary 6 form, make glass for vehicle window increase or drop to a kind of device that needs the position.Its structure mainly is comprised of metallic stamping pieces, and its cardinal principle uses moving two the stamping parts master arms that intersect of gear output shaft electric machine driving gear strip and auxiliary to realize moving up and down (operating principle that is similar to the scissors crossing arm).In use, the motor 1 of glass-frame riser is fixed on support, and support is fixed on an interior panel beating, decides guide rail 5 and is horizontally fixed on a panel beating, and glass is fixed on the moving rail assembly 7 of lifter by two screws.By the rotation of motor, drive and rotate tooth plate 2 rotations, make auxiliary 6 do forward around pivot pin 4, the reverse rotation certain angle; Simultaneously master arm 3 is take axis as run-on point, and pulley assembly 8 is being decided guide rail 5 and long leading made back and forth movement in kneeling assembly 7, and the long guideway assembly is moved up and down, and drives glass and moves up and down along the gathering sill of front and back end and realize the glass lifting function.

This structure, when glass reached the lower limit position, this moment was due to reaction time of people etc. problem, and operating personnel are release button at once not, thereby makes motor rotation blockage (be that motor continues power output, but because the motor shaft that is stuck does not rotate).Motor rotation blockage has very large injury to motor and tooth plate etc.

Summary of the invention

For the deficiencies in the prior art, the invention provides a kind of automobile glass lifter, efficiently solve the problems referred to above.

the present invention is achieved through the following technical solutions: a kind of automobile glass lifter, comprise master arm, auxiliary, decide guide rail, moving guide rail, arc tooth plate, spline and base plate with the arc tooth plate engagement, described master arm is rotatably connected on described base plate, and described master arm one end is fixed with arc tooth plate, described arc tooth plate and described spline engagement, the described master arm other end is slidably arranged in moving guide rail by slide block, described auxiliary and described master arm are rotationally connected and an end of described auxiliary is slidably arranged in by slide block and decides guide rail, the other end of described auxiliary is slidably arranged in described moving guide rail by slide block, described arc tooth plate comprises the fixed part and the tooth-strip part that be slidably arranged in described fixed part on fixing with master arm, on described tooth-strip part, through hole is set, be provided with the chute that is communicated with described through hole on described fixed part, in described chute, spring is set, one push rod passes described through hole and enters described chute and described spring top leans on, at described push rod one end, slide rail is set, described slide rail is obliquely installed, and an end of the close through hole of described slide rail is lower than the end near spring, also comprise a block, at described block sidewall, roller is set, described roller slip is arranged at described slide rail, be provided with draw-in groove on described tooth-strip part sidewall, described block is arranged in described draw-in groove by fixed part.

In technique scheme, sidewall all arranges roller in the both sides of described block.

The present invention has following beneficial effect: when glass reached the lower limit position, tooth bar broke away from tooth plate, and spline band carry-over bar slides on tooth plate, therefore can not cause motor in the problem of lower limit position stall, had reduced the damage of motor and tooth plate.

Description of drawings

Fig. 1 is structural representation of the present invention.

Fig. 2 is the cooperation schematic diagram of arc tooth plate of the present invention and spline.

Fig. 3 is the partial enlarged drawing at A place in Fig. 2 of the present invention.

Fig. 4 is along the cross-sectional schematic of A-A direction in Fig. 3.

Fig. 5 be block with push rod coordinate schematic diagram (block is in the extreme higher position).

Fig. 6 be block with push rod coordinate schematic diagram (block is in extreme lower position).

The specific embodiment

below in conjunction with accompanying drawing and the specific embodiment, the present invention is described in further detail: referring to Fig. 1 to Fig. 6, a kind of automobile glass lifter, comprise master arm 1, auxiliary 2, decide guide rail 3, moving guide rail 4, arc tooth plate 10, spline 5 and base plate 7 with arc tooth plate 10 engagements, described master arm 1 is rotatably connected on described base plate 7, and described master arm 1 one ends are fixed with arc tooth plate 10, described arc tooth plate 10 and described spline 5 engagements, the described master arm other end is slidably arranged in moving guide rail 4 by slide block, described auxiliary 2 is rotationally connected with described master arm 1 and an end of described auxiliary 2 is slidably arranged in by slide block and decides guide rail 3, the other end of described auxiliary 2 is slidably arranged in described moving guide rail 4 by slide block.

Described arc tooth plate 10 comprises the fixed part 20 and the tooth-strip part 21 that be slidably arranged in described fixed part 20 on fixing with master arm 1, on described tooth-strip part 21, through hole 210 is set, be provided with the chute 200 that is communicated with described through hole 210 on described fixed part 20, in described chute 200, spring 201 is set, one push rod 100 passes described through hole 210 and enters described chute 200 and leans with described spring 201, at described push rod 100 1 ends, slide rail 102 is set, also comprise a block 101, sidewall all arranges roller 104 in the both sides of described block 101.Described roller 104 slides and is arranged at described slide rail 102, (slide rail 102 is accordingly in block 101 both sides settings), be provided with draw-in groove 103 on described tooth-strip part 21 sidewalls, described block 101 leans in described push rod 100 by draw-in groove 103 and fixed part 20, i.e. cooperation by block 101 and draw-in groove 103 makes fixed part 20 and tooth-strip part 21 mutually to slide.

described slide rail 102 is obliquely installed, and an end of described slide rail 102 close through holes 210 is lower than the end near spring 201, referring to Fig. 4 Fig. 5, described slide rail 102 has horizontally disposed horizontal part 102a and lower than the rake 102b of horizontal part 102a, when the roller 104 of block 101 is positioned at horizontal part 102a, block is in the extreme higher position, block was stuck in and made fixed part 20 and tooth-strip part 21 mutually to slide in draw-in groove 103 this moment, when promoting push rod 100, roller 104 enters rake 102b bottom surface from described horizontal part 102a, this moment, block was in extreme lower position, be that block 101 breaks away from draw-in groove 103, this moment, fixed part 20 and tooth-strip part 21 can slide mutually.

below in conjunction with embodiment, the principle of the invention is described further: when spline 5 drive arc tooth plates up rotate (when also glass is descending), come downwards to lower limit position (lower position of saying is glass position bottom) herein, tooth top on spline 5 is by push rod 100 at this moment, make push rod 100 inside contract and promote spring 201, spring 201 compressions, the roller 104 of block 101 enters the rake 102b of slide rail 102, make block 101 break away from draw-in groove 103, if this moment, motor continued power output, spline drives tooth-strip part 21 slide (being that master arm is not rotated further) on fixed part 20, therefore motor can stall, reduced the damage of motor and tooth plate.When glass was up, spline 5 pinion rack sections 21 made the draw-in groove of tooth-strip part 21 again block block 101, therefore do not affect the elevating function of lifter.

Claims

1. automobile glass lifter, comprise master arm (1), auxiliary (2), decide guide rail (3), moving guide rail (4), arc tooth plate (10), spline (5) and base plate (7) with arc tooth plate (10) engagement, described master arm (1) is rotatably connected on described base plate (7), and described master arm (1) one end is fixed with arc tooth plate (10), described arc tooth plate (10) and described spline (5) engagement, described master arm (1) other end is slidably arranged in moving guide rail (4) by slide block, described auxiliary (2) is rotationally connected with described master arm (1) and an end of described auxiliary (2) is slidably arranged in the described guide rail (3) of deciding by slide block, the other end of described auxiliary (2) is slidably arranged in described moving guide rail (4) by slide block, it is characterized in that: described arc tooth plate (10) comprises with the fixing fixed part (20) of master arm (1) and is slidably arranged in tooth-strip part (21) on described fixed part (20), through hole (210) is set on described tooth-strip part (21), be provided with the chute (200) that is communicated with described through hole (210) on described fixed part (20), spring (201) is set in described chute (200), one push rod (100) passes described through hole (210) and enters described chute (200) and leans with described spring (201), at described push rod (100) one ends, slide rail (102) is set, described slide rail (102) is obliquely installed, and an end of the close through hole (210) of described slide rail (102) is lower than the end near spring (201), also comprise a block (101), at described block (101) sidewall, roller (104) is set, described roller (104) slides and is arranged at described slide rail (102), be provided with draw-in groove (103) on described tooth-strip part (21) sidewall, described block (101) is arranged in described draw-in groove (103) by fixed part (20).

2. a kind of automobile glass lifter as claimed in claim 1, it is characterized in that: the both sides sidewall at described block (101) all arranges roller (104).