CN203548854U - Gear-changing control system - Google Patents
Gear-changing control system Download PDFInfo
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- CN203548854U CN203548854U CN201320623549.7U CN201320623549U CN203548854U CN 203548854 U CN203548854 U CN 203548854U CN 201320623549 U CN201320623549 U CN 201320623549U CN 203548854 U CN203548854 U CN 203548854U
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- gear
- shift
- fork assembly
- shifting
- gear shift
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Abstract
A gear-changing control system in the technical field of transmissions comprises at least one shift fork assembly, an overgear shift fork and a gear-changing conversion device, wherein the shift fork assembly is arranged on a first shift fork shaft; the overgear shift fork is arranged on a second shift fork shaft; the gear-changing conversion device is respectively connected with the first shift fork shaft and the second shift fork shaft. The gear-changing control system is high in degree of integration, can reduce the assembly error of the system greatly, and is improved in gear selecting and changing quality.
Description
Technical field
The utility model relates to a kind of device of speed changer technical field, specifically a kind of shift control system.
Background technique
At present, the fast overdirve gear manual transmission of domestic light card six adopts five declutch shift shafts to arrange, and interlocking, R shelves lockable mechanism, neutral gear signal enabling device, king's word groove are arranged relatively and are disperseed, cause and select the problems such as gear change system part is various, assembly accumulation tolerance is large, can not well embody the property of automatic shft that speed-changer synchronizer brings.But, simplify gear change system part, Integration Design gearshift mechanism can reduce speed changer cost greatly, and also improve speed changer entirety selects shift property simultaneously.Therefore the core topic that, integrated, simplifying gear change system just becomes at present and in future automobile industry development, necessary emphasis solves.
Model utility content
The utility model, for prior art above shortcomings, proposes a kind of shift control system, and the integrated degree of control system is high, can greatly reduce system assembly error, improves and selects property of automatic shft.
The utility model is achieved through the following technical solutions, and the utility model comprises: at least one is arranged at the shifting fork assembly on the first declutch shift shaft, a gear shift conversion equipment that is arranged at the overdrive lever on the second declutch shift shaft and is connected with the second declutch shift shaft with the first declutch shift shaft respectively.
Described gear shift conversion equipment comprises: overdirve gear gear shift shifting block, swing shifting block, setting sleeve and overdirve gear gear shift guide block, wherein: swing shifting block rotation and be arranged on setting sleeve, and one end contacts with the overdirve gear gear shift guide block being fixedly installed on described shifting fork assembly, the other end contacts with the overdirve gear gear shift shifting block being arranged at by resilient key on the second declutch shift shaft.
Described shifting fork assembly is provided with an arc cam, and corresponding overdirve gear gear shift guide block is provided with arc surface and both concentric fit, makes overdirve gear gear shift guide block form a Double-sliding rail mechanism, can effectively prevent deflection.
In described shift control system, also comprise shift shaft, this shift shaft is provided with the gear shift shifting block with L-type interlocking block.
Described gear shift shifting block inside is provided with R shelves supercharging pin, R shelves pressurized spring and Cock screw successively, wherein: Cock screw is fixedly connected with one end of R shelves pressurized spring, R shelves supercharging pin is movably set in gear shift shifting block inside and is connected with the other end of R shelves pressurized spring, and R shelves supercharging pin is that point contacts with described shifting shaft.
Described some contact arranges inclined-plane by the end of R shelves supercharging pin and is achieved, and the spline on this bevel angle and described shift shaft matches.
Technique effect
Compared with prior art, the utility model technique effect comprises: the integrated degree of control system is high; Gear shift shifting block has the functions such as the gear shift of choosing, interlocking, the triggering of neutral gear signal, reverse gear supercharging locking, king's word flowing current separation gear shift guiding, M head enhancing gear shift feel; Integrated appropriate design can reduce system assembly error greatly, improves and selects property of automatic shft.
Accompanying drawing explanation
Fig. 1 a is example structure side view;
Fig. 1 b is embodiment's schematic perspective view;
Fig. 2 is embodiment's 5/6 gear shift guide block anti-rotation device structural drawing, i.e. the local enlarged diagram of B part in Fig. 1 a;
Fig. 3 is embodiment's gear shift shifting block R shelves supercharging device structural drawing, i.e. the local enlarged diagram of A part in Fig. 1 a;
Fig. 4 is embodiment's gear layout viewing;
Fig. 5 is embodiment 5/6 gear shift conversion device structure figure, the i.e. local enlarged diagram of C part in Fig. 1 a;
Fig. 6 is the integrated gear-changing and selecting shifting block structural drawing of embodiment;
In figure: a is stereogram 1; B is front view; C is stereogram 2;
Fig. 7 is embodiment's plan view and the integrated functional diagram of gear shift shifting block;
Fig. 8 is the local enlarged diagram of D part in Fig. 7;
In above-mentioned accompanying drawing: shift shaft 1, 1/2/R shelves gear selecting spring 2, spring spacing shim 3, gear shift shifting block 4, R shelves supercharging pin 5, R shelves pressurized spring 6, Cock screw 7, 5/6 grade of gear selecting spring 8, reverse speed fork assembly 9, 1/2 grade of shifting fork assembly 10, L-type interlocking block 11, screw 12, 3/4 grade of shifting fork assembly 13, 5/6 grade of shift fork 14, declutch shift shaft supplemental support 15, the first declutch shift shaft 16, the second declutch shift shaft 17, elastic cylindrical pin 18, 5/6 gear shift shifting block 19, swing shifting block 20, setting sleeve 21, lock bolt 22, 5/6 gear shift guide block 23.
Embodiment
Below embodiment of the present utility model is elaborated; the present embodiment is implemented under take technical solutions of the utility model as prerequisite; provided detailed mode of execution and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
As shown in Fig. 1 a and Fig. 1 b, the present embodiment is applied to six fast overdirve gear manual transmissions of light truck, this control system comprises: shift shaft 1, with the gear shift shifting block 4 of L-type interlocking block 11, reverse speed fork assembly 9, 1/2 grade of shifting fork assembly 10, 3/4 grade of shifting fork assembly 13, 5/6 grade of shift fork 14, the first declutch shift shaft 16, the second declutch shift shaft 17 and comprise 5/6 gear shift shifting block 19, swing shifting block 20, the gear shift conversion equipment of setting sleeve 21 and 5/6 gear shift guide block 23, wherein: gear shift shifting block 4 is movably set on shift shaft 1, reverse speed fork assembly 9, 10 and 3/4 grade of shifting fork assembly 13 of 1/2 grade of shifting fork assembly is movably set on the first declutch shift shaft 16 successively, 5/6 grade of shift fork 14 is movably set on the second declutch shift shaft 17, gear shift conversion equipment is connected with the second declutch shift shaft 17 with the first declutch shift shaft 16 respectively.
In described gear shift conversion equipment, swinging shifting block 20 rotations is arranged on setting sleeve 21, and one end contacts with the 5/6 gear shift guide block 23 being fixedly installed on 3/4 grade of shifting fork assembly 13, the other end contacts with the 5/6 gear shift shifting block 19 being arranged at by resilient key 18 on the second declutch shift shaft 17.
As shown in Figure 4, the gear of this device is arranged as R135/246.Gear shift shifting block 4 initial positions are between 3/4 grade, and each gear selects gearshift procedure as follows:
1) three fourth gear select gearshift procedure:
Gear selecting process: gear shift shifting block 4 initial positions are between 3/4 grade
Gearshift procedure: the gear shift shifting block 4 that makes to be arranged on shift shaft 1 by operating handle rotates, gear shift shifting block 4 rotarily drives backward 3/4 grade of shifting fork assembly 13 and axially moves along the first declutch shift shaft 16, completes third gear gearshift procedure.Otherwise complete fourth gear gearshift procedure.L-type interlocking block 11 in gearshift procedure on all the other gear shift forks, under the restriction of the arc interlocking face of gear shift shifting block 4, has completed interlocking function, and 11 of L-type interlocking blocks on 3/4 grade of shifting fork assembly 13 move axially thereupon together.
2) second gear select gearshift procedure:
Gear selecting process: the gear shift shifting block 4 that makes to be arranged on shift shaft 1 by operating handle moves axially, as shown in Figure 2, while contacting with shift shaft 1 inclined-plane as R shelves supercharging pin 5, the shifting block core of gear shift shifting block 4 also just moves to 1/2 grade of shifting fork assembly, 10 groove center positions, has completed the gear selecting action of a second gear.
Gearshift procedure: after gear selecting puts in place, by operating handle, gear shift shifting block 4 is rotated backward with shift shaft 1, drive 1/2 grade of shifting fork assembly 10 to move after the first declutch shift shaft 16 does axially, complete a gear shift process.Otherwise complete second gear gearshift procedure.Interlocking principle is with describing in step 1).
3) five or six grades select gearshift procedure:
Gear selecting process: contrary with a second gear.Be not repeated herein.
Gearshift procedure: because this device is a kind of over drive transmision control system, by operating handle, complete after five or six grades of gear selecting processes, make gear shift shifting block 4 rotate backward with shift shaft 1 simultaneously, mobile after driving 5/6 gear shift guide block 23 to do axially along the first declutch shift shaft 16, and drive and swing shifting block 20 the other ends and do forward and rotatablely move around being arranged on setting sleeve 21 on speed changer positioning hole, make 5/6 gear shift shifting block 19 drive rigid joint the second declutch shift shaft together along two holes, case of transmission front and back, to move forward together with 5/6 grade of shift fork, complete five gear shift processes.Otherwise complete six gear shift processes.Interlocking principle is with describing in step 1).
4) reverse gear select gearshift procedure:
Gear selecting process: the gear shift shifting block 4 that makes to be arranged on shift shaft 1 by operating handle moves axially, as shown in Figure 2, as after R shelves supercharging pin 5 contacts with shift shaft 1 inclined-plane, and contact with the spline large diameter portion of shift shaft 1, on operating handle, can experience a larger resistance.King's word groove R shelves end on the shifting block of gear shift simultaneously 4 has position-limiting action, and now the shifting block core of gear shift shifting block 4 also just moves to R shelves shifting fork assembly 9 groove center positions, has completed the gear selecting action of R shelves.
Gearshift procedure: after gear selecting puts in place, by operating handle, gear shift shifting block 4 is rotated backward with shift shaft 1, drive reverse speed fork assembly 9 to move after the first declutch shift shaft 16 does axially, complete reverse gear gearshift procedure.Otherwise complete second gear gearshift procedure.Interlocking principle is with describing in step 1).
5) function of integrated gear shift shifting block realizes
1, M camera function
As shown in Figure 6, Figure 7, M groove 27 is positioned at the upper left of gear shift shifting block 4, can make:
1. when neutral position, as positioning means, gear shift shifting block 4 is retrained and makes accurate positioning;
2. in gearshift procedure, make shift feel clear, have " sucking sense ", also can strengthen the auto-lock function of each gear simultaneously;
2, neutral gear signal groove
As shown in Figure 6, Figure 7, neutral gear signal groove 28 be positioned at gear shift shifting block 4 directly over, can make:
1. when neutral position, as positioning means, gear shift shifting block 4 is retrained and makes accurate positioning;
2. in gearshift procedure, can start neutral gear signaling lamp, play neutral gear suggesting effect.
3, select gear shift guide function
As shown in Figure 6, Figure 7, prince's groove 29 is positioned at the upper right of gear shift shifting block 4, can make:
1. play limit function when 5/6 grade of gear selecting and R shelves;
2. after non-3/4 gear gear shift files.Play and avoid gear shift shifting block 4 to adjacent gear shift fork interference effect.
4, R shelves gear selecting function of increasing pressure
As shown in Figure 3, while selecting reverse gear, when gear shift shifting block 4 moves axially along shift shaft 1, under the effect of R shelves pressurized spring 6, R shelves supercharging pin 5 has the process of " upward slope " on the inclined-plane of shift shaft 1, and this just gives signal of driver---be about to choose reverse gear.This device is the gear selecting gear positions of identification R shelves and 1/2 grade effectively.
5, interlocking function
As shown in Figure 6, Figure 7, as while changing third gear, L-type interlocking block 11(in gearshift procedure on all the other gear shift forks utilizes screw 12 to connect) at the arc of gear shift shifting block 4, interlock under the restriction of face 26, completed interlocking function, 11 of L-type interlocking blocks on 3/4 grade of shifting fork assembly 13 move axially thereupon together.
The anti-rotating function of (6) 5/6 gear shift guide blocks 23 is realized
As shown in Fig. 1 a, Fig. 1 b and Fig. 2,5/6 gear shift guide block 23 be empty set on the first declutch shift shaft 16, if be subject to vibration influence, this guide block must deflect, and causes gear shift not smooth.
Therefore, as shown in Figure 2, described anti-rotating function is realized in the following manner: on 3/4 grade of shifting fork assembly 13, design an arc cam, with the arc surface concentric fit on 5/6 gear shift guide block 23, make 5/6 gear shift guide block 23 form a Double-sliding rail mechanism, can effectively prevent deflection.
Claims (7)
1. a shift control system, it is characterized in that, comprising: at least one is arranged at the shifting fork assembly on the first declutch shift shaft, a gear shift conversion equipment that is arranged at the overdrive lever on the second declutch shift shaft and is connected with the second declutch shift shaft with the first declutch shift shaft respectively.
2. system according to claim 1, it is characterized in that, described gear shift conversion equipment comprises: overdirve gear gear shift shifting block, swing shifting block, setting sleeve and overdirve gear gear shift guide block, wherein: swing shifting block rotation and be arranged on setting sleeve, and one end contacts with the overdirve gear gear shift guide block being fixedly installed on described shifting fork assembly, the other end contacts with the overdirve gear gear shift shifting block being arranged at by resilient key on the second declutch shift shaft.
3. system according to claim 2, it is characterized in that, described shifting fork assembly is provided with an arc cam, and corresponding overdirve gear gear shift guide block is provided with arc surface and both concentric fit, make overdirve gear gear shift guide block form a Double-sliding rail mechanism, can effectively prevent deflection.
4. system according to claim 1, it is characterized in that, the shifting fork assembly that described at least one is arranged on the first declutch shift shaft refers to: reverse speed fork assembly, 1/2 grade of shifting fork assembly and 3/4 grade of shifting fork assembly, wherein: reverse speed fork assembly, 1/2 grade of shifting fork assembly and 3/4 grade of shifting fork assembly are movably set on the first declutch shift shaft successively.
5. system according to claim 1, is characterized in that, described shift control system comprises shift shaft, and this shift shaft is provided with the gear shift shifting block with L-type interlocking block.
6. system according to claim 5, it is characterized in that, described gear shift shifting block inside is provided with R shelves supercharging pin, R shelves pressurized spring and Cock screw successively, wherein: Cock screw is fixedly connected with one end of R shelves pressurized spring, R shelves supercharging pin is movably set in gear shift shifting block inside and is connected with the other end of R shelves pressurized spring, and R shelves supercharging pin is that point contacts with described shifting shaft.
7. system according to claim 6, is characterized in that, described some contact arranges inclined-plane by the end of R shelves supercharging pin and is achieved, and the spline on this bevel angle and described shift shaft matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320623549.7U CN203548854U (en) | 2013-10-10 | 2013-10-10 | Gear-changing control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320623549.7U CN203548854U (en) | 2013-10-10 | 2013-10-10 | Gear-changing control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203548854U true CN203548854U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320623549.7U Expired - Fee Related CN203548854U (en) | 2013-10-10 | 2013-10-10 | Gear-changing control system |
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| CN (1) | CN203548854U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780201A (en) * | 2018-12-29 | 2019-05-21 | 綦江齿轮传动有限公司 | Overgear gear conversion equipment |
-
2013
- 2013-10-10 CN CN201320623549.7U patent/CN203548854U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780201A (en) * | 2018-12-29 | 2019-05-21 | 綦江齿轮传动有限公司 | Overgear gear conversion equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20211010 |