CN1607114A

CN1607114A - Selecting and shifting operation device of automobile gear shift

Info

Publication number: CN1607114A
Application number: CN 200310109909
Authority: CN
Inventors: 张彤
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-10-15
Filing date: 2003-10-15
Publication date: 2005-04-20

Abstract

A gear shift operation device of speed variator of car consists of speed changer mechanism assembly and upper cover wherein the speed changer assembly contains base, interlock board, shifting block, shift selection axle, shift selection arm, shifting axle and shifting arm assembly, the upper cover assembly consists of upper cover, gear shift fork shaft, selflocking spring, third and fourth gear shift fork, reverse fork lever, forst and second gear shift fork, interlock board is set in speed changer mechanism assembly, shifting block is set in interlock board and mounted together on shifting axle, slide slot is on top of interlock board and with position limiter screw, selfspring is set in concave groove of upper cover and shaped U shape spring clamp wherein two convex are set symmetrically in inner side of front end matched to relative concave groove in shifting fork. Said invention has simple process and easily assembling.

Description

The selecting, changing shifts of automobile speed changer operating control

Technical field:

The invention belongs to automobile mechanical transmission operating control technical field, in particular a kind of selecting, changing shifts of automobile speed changer operating control.

Background technology:

At present, the selecting, changing shifts of automobile speed changer operating control has single slide rail type to select shift operating device and three slide rail types to select shift operating device.The former is by rotation and the mobile realization gear selecting and the gear shift of slide rail, and its self-locking is realized by self-locking spring and self-locking steel ball; The interlocking of gear is finished by interlock board.Though this structure processing technology is simple, berth-changing strength is bigger, promptly adopts this gearshift as CAS5-20, the CAS5-25 change-speed box of a vapour production.The latter stirs the gear shift shifting block by the rotation of gear selecting shifting block, and it is moved along shift shaft, realizes gear selecting; By the rotation of shift shaft, gear shift shifting block drive gearbox forks and slide rail are moved together, the gearbox forks of selected gear is not then pinned by interlocking plunger, and its self-locking is still realized by self-locking spring and self-locking steel ball; The interlocking of gear is then realized by interlocking plunger perpendicular with slide rail and that can move.Though this structure berth-changing strength is less, gear shift is convenient, the processing technology complexity, difficulty of processing is big, promptly adopts this gearshift as the CAS5-25Q7 change-speed box of a vapour production.

Summary of the invention:

Technical matters to be solved by this invention provide a kind of processing technology simple, easily manufactured, be easy to the selecting, changing shifts of automobile speed changer operating control that assembles, select shift control light.

Technical scheme of the present invention is achieved in that it comprises speed-changing mechanism seat assembly and last cap assembly two parts, wherein, the speed-changing mechanism seat assembly comprises variable speed mechanism seat, interlock board, gear shift shifting block, shift selection shaft, shift selection arm, shift shaft and gear shift arm assembly, gear selecting shifting block; Last cap assembly comprises loam cake, change shaft, self-locking spring, three, the four-speed gear shift fork, fall fast fork arm, one, the two-speed gearbox forks, gear selecting shifting block one end is fixed on the shift selection shaft, head is placed in the notch of gear shift shifting block, interlock board is located in the speed-changing mechanism seat assembly, the gear shift shifting block is contained in the interlock board, and together be contained on the shift shaft, the interlock board top has chute, be equipped with stop screw with chute, self-locking spring is located in the groove of loam cake, it is shaped as the U-shaped spring clip, the front end inboard is arranged with two projectioies, matches with the groove of corresponding gear on the gearbox forks, and the fast fork arm that falls is furnished with corresponding spacer, change shaft is located in the self-locking spring, fixes with spacing pressing plate.

Good effect of the present invention is: processing technology is simple, easily manufactured, be easy to assembling, select shift control light.

Description of drawings:

Fig. 1 is an assembling scheme drawing of the present invention;

Fig. 2 is the structure cutaway view of cap assembly in the present invention;

Fig. 3 is the structure cutaway view of interlock board;

Fig. 4 is the A-A cutaway view of Fig. 3.

The specific embodiment:

See figures.1.and.2, the present invention includes speed-changing mechanism seat assembly and last cap assembly two parts.Wherein, the speed-changing mechanism seat assembly comprises variable speed mechanism seat 7, interlock board 8, gear shift shifting block 9, stop screw 10, shift selection shaft 11, shift selection arm 12, shift shaft and gear shift arm assembly 13, gear selecting shifting block 14, last cap assembly comprises loam cake 5, change shaft 4, self-locking spring 3, spacing pressing plate 2, three, four-speed gear shift fork 16, fall fast fork arm 17, spacer 18, one, two-speed gearbox forks 22, the 1st, case of transmission, the 6th, breather stem vent plug, interlock board 8 is located in the variable speed mechanism seat 7, gear shift shifting block 9 is contained in the interlock board 8, and together be contained on the shift shaft 13, interlock board 8 tops have chute, stop screw 10 is contained in its chute, it can only be moved forward and backward, and can not rotate with shift shaft 13, gear selecting shifting block 14 1 ends are fixed on the shift selection shaft 11 with nut 15, and head is placed in the notch of gear shift shifting block 9.Self-locking spring 3 and change shaft 4 are contained in the groove of loam cake 5, self-locking spring be shaped as the U-shaped spring clip, the front end inboard is arranged with two projectioies, match with the groove of corresponding gear on the

gearbox forks

22,16 respectively, 18 pairs of spacers fall fast fork arm and play fixation, and change shaft 4 is located in the self-locking spring 3, together be located in the groove of loam cake 5, by bolt 20, be fixed, with steel wire 21 together, fall and limit spring 19 is housed on the fast fork arm axle bolt 20 strings with spacing pressing plate 2.

With reference to Fig. 3 and Fig. 4, the 23rd, left cap, the 24th, fixed bridge, the 25th, right cap, the 8th, interlock board.

When at neutral gear (original) state, see figures.1.and.2, fall fast fork arm 17,

gearbox forks

16,22 under the effect of self-locking spring 3 predetermincd tensions, last notch remains on the same straight line, and the lower end of gear shift shifting block 9 and interlock board 8 is placed in the notch, just in the notch of gearbox forks 16, gearbox forks 16 can pass through from the opening part of interlock board 8 head of shifting block, promptly is in three, the fourth gear range state.

Gear selecting, gear selecting interlocking: with reference to Fig. 1, under neutral state, promptly three, the fourth gear range state, rotate shift selection arm 12, stir gear shift shifting block 9 and interlock board 8 by shift selection shaft 11, gear selecting shifting block 14 and move forward or backward,, choose the reverse gear gear when moving forward when putting in place; When moving backward to, choose one, the second gear gear.When choosing a certain gear, the head of gear shift shifting block 9 just drops on the last notch place of this gearbox forks, and gearbox forks can pass through from the opening part on the interlock board 8 just, and the gearbox forks of other two gears then can not move, and has promptly realized the gear selecting interlocking.

Gear shift, gear shift self-locking: see figures.1.and.2, at neutral state, rotate shift shaft 13, then gear shift shifting block 9 rotates to the left or to the right, move to the left or to the right thereby stir gearbox forks 16, put into fourth gear or third gear, when gear shift puts in place, two projectioies of self-locking spring 3 are just fallen in two grooves on the left side of gearbox forks 16, realize self-locking under the effect of elastic force; When gear shift shifting block 9 is mobile backward under the effect of gear selecting shifting block 14, choose one, the second gear gear, at this moment gear shift shifting block 9 rotates to the left or to the right, and then gearbox forks 22 moves to the left or to the right, throw in second gear or one grade; When gear shift shifting block 9 moves forward under the effect of gear selecting shifting block 14, choose the reverse gear gear, at this moment gear shift shifting block 9 turns left, and the fast fork arm 17 that then falls is moved to the left, and hangs up reverse gear.

Claims

1, a kind of selecting, changing shifts of automobile speed changer operating control, constitute by speed-changing mechanism seat assembly and last cap assembly two parts, wherein, the speed-changing mechanism seat assembly comprises variable speed mechanism seat (7), interlock board (8), gear shift shifting block (9), shift selection shaft (11), shift selection arm (12), shift shaft and gear shift arm assembly (13), gear selecting shifting block (14); Last cap assembly comprises loam cake (5), change shaft (4), self-locking spring (3), three, four-speed gear shift fork (16), fall fast fork arm (17), one, two-speed gearbox forks (22), gear selecting shifting block (14) one ends are fixed on the shift selection shaft (11), head is placed in the notch of gear shift shifting block (9), it is characterized in that: interlock board (8) is located in the speed-changing mechanism seat assembly, gear shift shifting block (9) is contained in the interlock board (8), and together be contained on the shift shaft (13), interlock board (8) top has chute, be equipped with stop screw (10) with chute, self-locking spring (3) is located in the groove of loam cake (5), it is shaped as the U-shaped spring clip, the front end inboard is arranged with two projectioies, match with the groove of corresponding gear on the gearbox forks, the fast fork arm (17) that falls is furnished with corresponding spacer (18), change shaft (4) is located in the self-locking spring (3), and is fixing with spacing pressing plate (2).