CN202732915U

CN202732915U - Automobile automatic transmission gearshift unlocking mechanism

Info

Publication number: CN202732915U
Application number: CN 201220029828
Authority: CN
Inventors: 李志军; 康国旺; 段福海; 钮微龙; 杨红雷
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2012-01-30
Filing date: 2012-01-30
Publication date: 2013-02-13
Anticipated expiration: 2022-01-30

Abstract

An automobile automatic transmission gearshift unlocking mechanism is used for controlling the stopping of an anti-misoperation system when a transmission is switched among P/R/N gears. The mechanism comprises a handball, a lifting handle, a gearshift rod, a gearshift rod mandrel, a mandrel fixing pin, and a limit pin. The handball is fixedly connected with the upper part of the gearshift rod through screw threads. The handball is internally provided with a cavity matching with the outer wall of the top end of the lifting handle. The upper and lower ends of the lifting handle are respectively provided with an upper clamping groove and a lower clamping groove. The lifting handle and the gearshift rod are assembled in a clearance fit manner. The gearshift rod and the gearshift rod mandrel are assembled in a clearance fit manner. The upper and lower parts of the gearshift rod are respectively provided with a mandrel fixing pin penetrating groove and a limit pin penetrating groove. The middle part of the gearshift rod is provided with a boss assembled with the lower clamping groove of the lifting handle. The upper part of the gearshift rod mandrel is radially assembled with the mandrel fixing pin while the lower part of the gearshift rod mandrel is radially assembled with the middle part of the limit pin in a transition fit manner. The automobile automatic transmission gearshift unlocking mechanism is simple in handball structure, low in manufacture cost, good in overall interior trim matching effect, and capable of improving the gearshift quality.

Description

A kind of automatic gearbox gearshift release mechanism

Technical field

The utility model relates to a kind of mechanism that removes automatic gearbox P, R, N gear switch lockup state, belongs to system of vehicle transmission control gear technical field.

Background technique

Along with development in science and technology and social progress, automobile has become the indispensable traffic tool in the people life, especially configures the vehicle of automatic transmission, is subject to Consumer's favor with the advantage of the portability of its manipulation and power performance aspect.Automobile production enterprise is for improving the Security of automatic transmission vehicle gearshift, be provided with the mistake proofing release mechanism in direct-exhausting type shifting operating device inside, reach the operation setting anti-error system that is converted to the N shelves by the R shelves to be converted to the R shelves by the P shelves, need remove the latch functions of anti-error system when speed changer switches between P, R, N shelves.

At present, the release mechanism of most of vehicle is arranged on the shift control handball, need press the button that handball left side (or front) is handled during driver's release, make the type of the carving groove that is installed in button inside mobile backward, promote (or the upwards) motion downwards of gear level internal mandrel, mandrel presses down (or on carry) control operating mechanism inner delocking device, thereby removes lockup state.Because above-mentioned release mechanism is arranged on the shift control handball, has caused the handball volume large, complex structure is not only inharmonious with whole interior trim effect, and high to the component required precision, and manufacture cost is strengthened.

The model utility content

The purpose of this utility model is the drawback for prior art, provides that a kind of shift control knob structure is simple, low cost of manufacture, automatic gearbox gearshift release mechanism that universal performance is good.

Problem described in the utility model realizes with following technical proposals:

A kind of automatic gearbox gearshift release mechanism, it comprises handball in consisting of, upper handle handle, gear level, the gear level mandrel, mandrel fixing pin and spacing bearing pin, described handball is fixedly connected with by screw thread with gear level top, handball inside is provided with upper handle the cavity of top outer wall coupling, the up and down two ends of described upper handle handle are respectively equipped with draw-in groove and lower bayonet slot, upper handle handle is set with the gear level Spielpassung, described gear level and gear level mandrel Spielpassung suit, on gear level top and the bottom be respectively equipped with that the mandrel fixing pin runs through groove and spacing bearing pin runs through groove, the middle part is provided with handle the equipped boss of lower bayonet slot, the radially equipped mandrel fixing pin in described gear level mandrel top, bottom radially assemble with spacing bearing pin middle part transition fit.

Above-mentioned automatic gearbox gearshift release mechanism also comprises limit stoper in the formation, described limit stoper is fixed on the selector housing, is provided with P shelves restraining groove, R shelves confined planes and the N shelves confined planes that mates with spacing bearing pin at limit stoper.

Above-mentioned automatic gearbox gearshift release mechanism also comprises return spring in the formation, described return spring is sleeved on the gear level outside, and the return spring upper end is fixed with handball cavity end face, and its lower end is spacing by the upper-end surface of upper handle handle.

Above-mentioned automatic gearbox gearshift release mechanism comprises also in the formation that rotating machinery is connected bearing pin with drag-line, and described rotating machinery is equipped by running shaft and selector housing, and described drag-line connects bearing pin and is fixed on the rotating machinery front end.

The utility model moves upward band moving mandrel fixing pin, gear level mandrel and spacing bearing pin by upper handle under the leading role of handball cavity inner wall, spacing bearing pin and limit stoper are broken away from, and reaches the purpose of removing lockup state; By stirring handball, the Rotation With Changing pin, driven rotary mechanism rotates, and makes the drag-line that rotates with rotating machinery connect the motion of bearing pin pulling gear-shifting inhaul cable, realizes gearshift function with this.The utility model knob structure is simple, low cost of manufacture, effective with whole trim matching, and shift quality is got a promotion.

Description of drawings

The utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is structural drawing of the present utility model;

Fig. 2 is main sectional view of the present utility model;

Fig. 3 is upper handle bar structure schematic diagram;

Fig. 4 is the gear level structural representation;

Fig. 5 is P shelves lockup state schematic diagram;

Fig. 6 is P shelves released state schematic diagram.

Each label is among the figure: 1, handball, 2, upper handle handle, 2-1, upper draw-in groove, 2-2, lower bayonet slot, 3, gear level, 3-1, mandrel fixing pin run through groove, 3-2, boss, 3-3, spacing bearing pin run through groove, and 4, limit stoper, 4-1, P shelves restraining groove, 4-2, R shelves confined planes, 4-3, N shelves confined planes, 5, spacing bearing pin, 6, running shaft, 7, drag-line connects bearing pin, 8, rotating machinery, 9, gear level mandrel, 10, the mandrel fixing pin, 11, return spring.

Embodiment

Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, the utility model comprises handball 1 in consisting of, upper handle is 2, gear level 3, gear level mandrel 9, mandrel fixing pin 10 and spacing bearing pin 5, described handball 1 is fixedly connected with by screw thread with gear level 3 tops, handball 1 inside is provided with upper handle the cavity of 2 top outer wall couplings, described upper handle is respectively equipped with upper draw-in groove 2-1 and lower bayonet slot 2-2 to 2 up and down two ends, upper handle is set with 2 with gear level 3 Spielpassung, described gear level 3 and gear level mandrel 9 Spielpassung suit, on gear level 3 tops and the bottom be respectively equipped with that the mandrel fixing pin runs through groove 3-1 and spacing bearing pin runs through groove 3-3, the middle part is provided with upper handle the equipped boss 3-2 of lower bayonet slot 2-2, the radially equipped mandrel fixing pin 10 in described gear level mandrel 9 tops, radially assemble with the middle part transition fit of spacing bearing pin 5 bottom.

Referring to Fig. 1, Fig. 2, the utility model also comprises limit stoper 4 in consisting of, and described limit stoper 4 is fixed on the selector housing, is provided with P shelves restraining groove 4-1, R shelves confined planes 4-2 and the N shelves confined planes 4-3 that mates with spacing bearing pin at limit stoper 4.

Referring to Fig. 1, Fig. 2, Fig. 5, Fig. 6, the utility model also comprises return spring 11 in consisting of, and described return spring 11 is sleeved on gear level 3 outsides, and its upper end is fixed with handball 1 cavity end face, and its lower end is spacing by the upper-end surface of upper handle handle.

Referring to Fig. 1, Fig. 2, the utility model comprises that also rotating machinery 8 is connected bearing pin 7 with drag-line in consisting of, and described rotating machinery 8 is equipped by running shaft 6 and selector housing, and described drag-line connects the front end that bearing pin 7 is fixed on rotating machinery 8.

Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, working principle of the present utility model is:

Handball 1 is tightened the top that is fixed on gear level 3 by worm structure; Upper handle is 2 when gear level 3 moves, and the bottom cooperates spacing with gear level boss 3-2 by lower bayonet slot, and armrest ball 1 lower end surface, top is spacing, and upper handle is the return spring 11 elastic force returns of 2 armrest ball bottoms; Mandrel fixing pin 10 two ends are assemblied in handle in 2 the upper draw-in groove 2-1, top is spacing by return spring 11, prevent from upper handle deviating from 2 the upper draw-in groove, mandrel fixing pin 10 middle parts are connected in gear level mandrel 9 opening slots, it is spacing that plane and gear level mandrel 9 run through on the groove plane contact on the mandrel fixing pin 10, and gear level mandrel 9 can move up and down in gear level 3 inside; Spacing bearing pin 5 middle parts are connected to gear level mandrel 9 to be run through in the groove, adopts the transition fit assembling; Limit stoper 4 is fixed on the selector housing, remains static all the time with respect to the selector housing; Rotating machinery 8 is installed on the selector housing by running shaft 6; Drag-line connects bearing pin 7 and is fixed on rotating machinery 8 front end positions, and spacing bearing pin 5 cooperates the latch functions that realizes each gear with limit stoper 4.

Referring to Fig. 1, Fig. 2, Fig. 4, Fig. 5, working procedure of the present utility model is:

When the needs release is shifted gears, the hand of driver ball 1 of shaking hands, two banjo splints are lived in handle 2, upwards the upper handle of pulling is 2, upper handle moves upward 2 band moving mandrel fixing pins 10, mandrel fixing pin 10 drives gear level mandrel 9 and moves upward, gear level mandrel 9 drives spacing bearing pin 5 and moves upward, make spacing bearing pin 5 deviate from limit stoper 4, stir handball 1, Rotation With Changing pin 3, rotating machinery 8 is followed gear level 3 and is rotated, drag-line connects bearing pin 7 and follows rotating machinery 8 rotations, and drag-line connects bearing pin 7 pulling gear-shifting inhaul cables motions, finishes gear shift operation.

Claims

1. automatic gearbox gearshift release mechanism, it is characterized in that, it comprises handball (1), upper handle is (2), gear level (3), gear level mandrel (9), mandrel fixing pin (10) and spacing bearing pin (5), described handball (1) is fixedly connected with by screw thread with gear level (3) top, handball (1) inside is provided with upper handle the cavity of (2) top outer wall coupling, described upper handle is respectively equipped with draw-in groove (2-1) and lower bayonet slot (2-2) to the up and down two ends of (2), upper handle is (2) and gear level (3) Spielpassung suit, described gear level (3) and gear level mandrel (9) Spielpassung suit, on gear level (3) top and the bottom be respectively equipped with that the mandrel fixing pin runs through groove (3-1) and spacing bearing pin runs through groove (3-3), the middle part is provided with upper handle the equipped boss (3-2) of lower bayonet slot (2-2), the radially equipped mandrel fixing pin (10) in described gear level mandrel (9) top, radially assemble with the middle part transition fit of spacing bearing pin (5) bottom.

2. a kind of automatic gearbox gearshift release mechanism according to claim 1, it is characterized in that, also comprise limit stoper (4) in the formation, described limit stoper (4) is fixed on the selector housing, is provided with P shelves restraining groove (4-1), R shelves confined planes (4-2) and the N shelves confined planes (4-3) that mates with spacing bearing pin at limit stoper (4).

3. a kind of automatic gearbox gearshift release mechanism according to claim 2, it is characterized in that, also comprise return spring (11) in the formation, described return spring (11) is sleeved on gear level (3) outside, the return spring upper end is fixed with handball (1) cavity end face, and its lower end is spacing by the upper-end surface of upper handle handle.

4. a kind of automatic gearbox gearshift release mechanism according to claim 3, it is characterized in that, comprise also in the formation that rotating machinery (8) is connected bearing pin (7) with drag-line, described rotating machinery (8) is equipped by running shaft (6) and selector housing, and described drag-line connects the front end that bearing pin (7) is fixed on rotating machinery (8).