CN203202201U - Multi-gear speed changer operating mechanism - Google Patents
Multi-gear speed changer operating mechanism Download PDFInfo
- Publication number
- CN203202201U CN203202201U CN 201320149127 CN201320149127U CN203202201U CN 203202201 U CN203202201 U CN 203202201U CN 201320149127 CN201320149127 CN 201320149127 CN 201320149127 U CN201320149127 U CN 201320149127U CN 203202201 U CN203202201 U CN 203202201U
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- Prior art keywords
- gear
- gear shift
- shift
- selecting
- declutch
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Abstract
The utility model relates to a multi-gear speed changer operating mechanism. The multi-gear speed changer operating mechanism comprises a shifting fork shaft, a gear operating unit and a gear executing unit, wherein the gear operating unit and the gear executing unit are arranged on the shifting fork shaft in sequence. The gear operating unit comprises a gear selecting guide block. The gear selecting guide block is fixedly sleeved on the shifting fork shaft. The gear executing unit comprises a gear selecting and changing control pin and gear shifting forks, wherein the gear selecting and changing control pin and the gear shifting forks are arranged on the shifting fork shaft. The gear selecting control pin is fixedly arranged on the shifting fork shaft. The gear shifting forks are sleeved on the shifting fork shaft in a sliding mode. U-shaped grooves which are matched with the gear selecting control pin are formed in the gear shifting forks. The gear selecting guide block drives the gear selecting and changing control pin to move through the shifting fork shaft. The gear selecting and changing control pin drives the gear shifting forks to conduct selecting and changing work through the U-shaped grooves. The number of the gear shifting forks is at least two. The multi-gear speed changer operating mechanism provides the multi-gear speed changer operating mechanism which is simple in structure and convenient to operate.
Description
Technical field
The utility model belongs to mechanical transmission control field, relates to a kind of transmission control, relates in particular to a kind of many gears transmission control.
Background technique
Along with the continuous development of automotive engineering, the automotive transmission case material by cast iron gradually transition be aluminum alloy, casting technique also changes die casting into by original casting.The structure of case of transmission is also thereupon by the original basket tubular that changed into.The popularization of tubular case of transmission has not existed the loam cake of speed changer, the shifting of transmission axle need be arranged on the antetheca and partition wall of case of transmission, manufacturability and the assembling capacity of traditional multiaxis shift control in tubular shell is relatively poor, can not satisfy assembling and technological requirement.
In the structure of traditional basket case of transmission, generally operating mechanism is arranged in and covers the employing declutch shift shafts realization shift controls of following more.This structural disadvantages is: 1) loam cake processed complex, and the coaxality in shift fork axle bed hole, position degree require very strict, the processing cost height, part was many when sub-assembly was installed, and installed complicated.2) each declutch shift shaft of different gears is inconsistent apart from two centers, occurs inevitably that some structures are asymmetric, complex-shaped, " the special-shaped shift fork " of poor rigidity, in use occurs faults such as the distortion of fork pin, fracture easily, also is unfavorable for the synchronizer engage a gear.
In the tubular shell speed changer structure, adopt many declutch shift shafts to realize shift control, need design different declutch shift shafts respectively, gear shift guide blocks etc. exist part many equally, complexity are installed, the problem that manufacturability and assembling capacity are relatively poor.
The model utility content
In order to solve the above-mentioned technical problem that exists in the background technique, it is a kind of simple in structure and be convenient to many gears transmission control of handling that the utility model provides.
Technical solution of the present utility model is: the utility model provides a kind of many gears transmission control, and its special way is: described many gears transmission control comprises declutch shift shaft and is successively set on gear position operation unit and gear performance element on the declutch shift shaft; Described gear position operation unit comprises and selects the gear shift guide block; The described gear shift guide block that selects is fixedly set on the declutch shift shaft; Described gear performance element comprises being arranged on and selects gear shift control pin and gear shift fork on the declutch shift shaft; The described gear shift control pin that selects is fixedly installed on the declutch shift shaft; Described gear shift fork sky is enclosed within on the declutch shift shaft; Described gear shift fork is provided with the U-shaped groove suitable with selecting gear shift control pin; The described gear shift guide block that selects selects the motion of gear shift control pin by the declutch shift shaft drive; The described gear shift control pin that selects carries out shifting work by the moving gear shift fork of U-shaped troughed belt; Described gear shift fork is two at least.
The above-mentioned quantity of gear shift control pin of selecting is identical with gear shift fork quantity, and described adjacent the choosing between the gear shift control pin is provided with the spacing of determining according to gear shift fork position.
Above-mentioned many gears transmission control also comprise the gear selecting limiting stopper and be arranged on select on gear shift guide block and/or the declutch shift shaft and lead and spacing gear selecting limit stoper at the gear selecting limiting stopper.
Above-mentioned gear selecting limit stoper is the limited post that can carry out spacing slip at the gear selecting limiting stopper.
Above-mentioned gear selecting limiting stopper is provided with spacing guiding groove; Described limited post slides in spacing guiding groove and carries out spacing and guiding work.
Above-mentioned gear position operation unit also comprises and is installed in the gear shift shifting block that selects on the gear shift guide block; Described gear shift shifting block drives the declutch shift shaft motion by selecting the gear shift guide block.
Above-mentioned gear shift shifting block carries out circular movement by selecting the gear shift guide block to drive declutch shift shaft along the declutch shift shaft axial motion or around declutch shift shaft.
The outer wall of above-mentioned gear shift fork is provided with for interlocking the V-type groove that ejector pin cooperates and form the mutual interlocking gear of locking shift fork with case of transmission.
The utility model has the advantages that:
The utility model provides a kind of transmission control of taking single declutch shift shaft to handle many gears speed changer, each of this transmission control grade shift fork sky is enclosed within on the declutch shift shaft, each grade shift fork is provided with U-groove bevel, U-groove bevel on the shift fork is equivalent to the U-groove bevel on traditional gear shift guide block, shift fork and guide block are merged into a part, effectively reduced number of spare parts.Different gears are housed on declutch shift shaft successively select gear shift control pin, each control pin is connected by interference fit with declutch shift shaft, and the shift fork U-groove bevel angled installation of staggering respectively with different gears is sold in the gear shift control of selecting of different gears.Select the gear shift guide block to connect firmly by elastic cylindrical pin and declutch shift shaft, manipulation gear shift shifting block can make and select gear shift guide block drive declutch shift shaft to rotate during gear selecting, thereby drive gear shift control pin turns to the shift fork U-groove bevel of expecting gear and aligns, and then handle the gear shift shifting block and make and select the gear shift guide block to drive declutch shift shaft to move axially, thereby moving axially with the shift fork of expecting gear, drive gear shift control pin hangs suitable gear, the shift control of realization speed changer.Simultaneously, in order to produce tangible gear selecting feel and to lead with gear shift to gear selecting is spacing, transmission control provided by the utility model also provides the gear selecting limiting stopper, be fixed on the case of transmission inwall corresponding with selecting the gear shift guide block, selecting the gear shift guide block to be provided with a limited post, insert in the gear selecting limiting stopper trough, gear selecting is carried out spacing and carried out the gear shift guiding.The utility model adopts a declutch shift shaft to handle multi-speed transmission, compares with many declutch shift shaft shift controls of tradition, and is simple in structure, number of spare parts is few, processing cost is low, good manufacturability; Can realize all gear shift fork symmetric designs, make the simple shape of shift fork, good rigidly, and can guarantee synchronizer or slide in the engage a gear process stressed evenly, be conducive to reduce gear engaging power; Whole operating mechanism is easy for installation, can effectively reduce the speed changer total manufacturing cost.
Description of drawings
Fig. 1 is the structural representation of many gears transmission control provided by the utility model;
Fig. 2 is the structural representation of facing of many gears transmission control provided by the utility model;
Fig. 3 is the structure for amplifying schematic representation of the gear selecting limiting stopper that adopts of the utility model;
Fig. 4 is embodiment's provided by the utility model cross-sectional view;
Fig. 5 is embodiment's provided by the utility model plan structure schematic representation;
Wherein:
The 1-declutch shift shaft; 2-gear selecting limiting stopper; 3-gear shift fork; 31-three fourth gear shift forks; 32-one second gear shift fork; 33-five reverse speed forks; 4-selects the gear shift guide block; 5-selects gear shift control pin; 51-first selects gear shift control pin; 52-second selects gear shift control pin; 53-the 3rd selects gear shift control pin; 6-U type groove; 7-gear shift shifting block; The 8-straight pin; 9-V type groove; The 10-limited post.
Embodiment
Referring to Fig. 1 and Fig. 2, the utility model provides a kind of many gears transmission control, and this many gears transmission control comprises declutch shift shaft 1 and the gear position operation unit and the gear that are successively set on the declutch shift shaft 1 are chosen the unit; The gear position operation unit drives gear by declutch shift shaft 1 and chooses the unit and carry out gear and choose work; Gear choose the unit comprise sky be enclosed within on the declutch shift shaft 1 gear shift fork 3 and be arranged on the declutch shift shaft 1 and can drive that gear shift fork 3 carries out that gear chooses and gear shift fork 3 the same number of gear shift control pins 5 that select; Gear shift fork 3 is two at least.What the utility model was different with traditional operating mechanism is, the utility model adopts a declutch shift shaft 1 to handle multi-speed transmission, compares with many declutch shift shafts of tradition 1 shift control, simple in structure, number of spare parts is few, processing cost is low, good manufacturability.
Select gear shift control pin 5 to be arranged on the axial direction of declutch shift shaft 1, the adjacent choosing between the gear shift control pin 5 is provided with the spacing of determining according to gear shift fork position.This spacing comprises and being arranged on along the axial horizontal spacing of declutch shift shaft 1 and along declutch shift shaft 1 longitudinal pitch radially that horizontal spacing and longitudinal pitch make each select gear shift control pin 5 to distribute at an angle with declutch shift shaft 1 place horizontal plane.
The utility model takes single declutch shift shaft 1 to handle many gears speed changer, each grade shift fork sky is enclosed within on the declutch shift shaft 1, and each grade shift fork is provided with U-groove bevel, and the U-groove bevel on the shift fork is equivalent to the U-groove bevel on traditional gear shift guide block, shift fork and guide block are merged into a part, effectively reduced number of spare parts.Different gears are housed on declutch shift shaft 1 successively select gear shift control pin 5, each control pin and declutch shift shaft 1 are connected by interference fit, different gears select gear shift control sell 5 with the angled installation of shift fork U-groove bevel difference of different gears.When declutch shift shaft 1 rotate make certain gear control pin 5 with to U-groove bevel that should the gear shift fork over against the time, other gear control pin will will stagger mutually with the U-groove bevel of corresponding gear shift fork, follow declutch shift shaft by control pin 5 this grade of the drive shift forks that are selected into the shift fork U-groove bevel and move axially the realization gearshift together.
The gear position operation unit comprises by straight pin 8 and is fixed on selecting gear shift guide block 4 and being installed in the gear shift shifting block 7 that selects on gear shift guide block 4 cylindrical grooves on the declutch shift shaft 1; Handle gear shift shifting block 7, drive declutch shift shaft 1 motion by selecting gear shift guide block 4; Declutch shift shaft 1 drives gear and chooses the unit and carry out gear and choose work
Gear shift shifting block 7 carries out axial motion or carries out circular movement around declutch shift shaft 1 along declutch shift shaft 1 by selecting gear shift guide block 4 to drive declutch shift shaft 1.
Referring to Fig. 3, simultaneously, in order to produce tangible gear selecting feel and to the spacing and gear shift of gear selecting guiding, gear position operation provided by the utility model unit also comprises for to selecting gear shift guide block 4 to carry out spacing gear selecting limiting stopper 2; Select the sidewall of gear shift guide block 4 to be provided with limited post 10; The sidewall of gear selecting limiting stopper 2 is provided with horizontal and vertical spacing guiding groove; Can carry out the gear shift guiding when limited post slides in trough and gear selecting spacing; Gear selecting limiting stopper 2 be fixed on the limited post that selects gear shift guide block 4 over against the case of transmission inwall on.
Working method of the present utility model is: select gear shift guide block 4 to connect firmly by elastic cylindrical pin 8 and declutch shift shaft 1, manipulation gear shift shifting block can make and select gear shift guide block 4 drive declutch shift shafts 1 to rotate during gear selecting, thereby drive gear shift control pin turns to the shift fork U-groove bevel of expecting gear and aligns, and then handle the gear shift shifting block and make and select gear shift guide block 4 to drive declutch shift shafts 1 to move axially, hang suitable gear thereby drive gear shift control pin moves axially with the shift fork of expecting gear, realization changes traditional many declutch shift shafts 1 shift control into takes single declutch shift shaft 1 to carry out shift control.
Below in conjunction with accompanying drawing and an instantiation (five speed transmission (five forward gearss and a reverse gear)) the utility model is elaborated:
Referring to Fig. 4 and Fig. 5, adopt a declutch shift shaft 1 to realize the shift control of five speed transmission, selecting gear shift guide block 4, each grade shift fork and selecting gear shift control to sell 5 of this operating mechanism all is installed on the declutch shift shaft 1.
Select gear shift guide block 4 to connect firmly by elastic cylindrical pin 8 and declutch shift shaft 1, three whole skies of shift fork are enclosed within on the declutch shift shaft 1, be provided with U-groove bevel 6 and V-type groove 9 on each grade shift fork simultaneously, V-type groove 9 can be arranged in housing on the interlocking ejector pin cooperate the mutual interlocking gear of forming the locking shift fork.U-groove bevel on the shift fork is equivalent to the U-groove bevel on traditional gear shift guide block, and shift fork and guide block are merged into a part, has effectively reduced number of spare parts.Being equipped with three respectively with shift fork U-groove bevel corresponding position on declutch shift shaft 1 selects gear shift control pin 5(first to select gear shift control pin 51, second to select gear shift control pin the 52 and the 3rd to select gear shift control pin 53), three control pins and declutch shift shaft 1 are connected by interference fit, and with declutch shift shaft 1 in other words with the angled installation of the U-groove bevel of shift fork.Cylindricality gear shift shifting block cooperates with the cylinder groove that selects gear shift guide block 4, can make by manipulation gear shift shifting block and select gear shift guide block 4 to rotate and move axially.
The neutral position of speed changer is located at three fourth gear, during neutral gear, first selects gear shift control pin 51 just in time to aim at the U-groove bevel of three fourth gear shift forks 31, and second selects the U-groove bevel of gear shift control pin 52 and one second gear shift fork 32 to stagger downwards, and the 3rd selects the U-groove bevel of gear shift control pin 53 and five reverse speed forks 33 upwards to stagger.
Concrete working procedure during each gear engage a gear is
A, extension three, fourth gear
The neutral position of this speed changer is located at three, the fourth gear position, first selects gear shift control pin 5 just in time to be positioned at the U-groove bevel of three fourth gear shift forks 31 on this moment declutch shift shaft 1, second selects gear shift control pin 52 to be positioned at the below of the U-groove bevel of a second gear shift fork 32, and the 3rd selects gear shift control pin 53 to be positioned at down the top of the U-groove bevel of super shelves shift fork.Owing to select gear shift guide block 4 to connect firmly by elastic cylindrical pin 8 and declutch shift shaft 1, stir when selecting gear shift guide block 4 to axially move when handling the gear shift shifting block, one second gear shift fork 32 and five reverse speed forks 33 are enclosed within on the declutch shift shaft 1 owing to sky, do not move with declutch shift shaft 1, select gear shift control pin 51 to axially move together in company with declutch shift shaft 1 by drive three fourth gear shift forks 31 and insert first of three fourth gear shift fork 31U shape grooves, hang third gear or fourth gear.
B, extension one, second gear
When need hang into one from neutral gear, during second gear, handle the drive of gear shift shifting block selects gear shift guide block 4 (to see) angle of rotation together counterclockwise backward together with declutch shift shaft 1 in the past, make second to select gear shift control pin 52 just to go in the U-groove bevel of a second gear shift fork 32, and first select gear shift control pin 51 will go to the top of the U-groove bevel of three fourth gear shift forks 31, and the 3rd selects a top that keeps down super grade of shift fork U-groove bevel after 53 rotations of gear shift control pin.Manipulation gear shift shifting block is stirred and is selected gear shift guide block 4 to axially move, three fourth gear shift forks 31 and five reverse speed forks, 33 skies are enclosed within on the declutch shift shaft 1, do not move with declutch shift shaft 1, second selects gear shift control pin 52 will drive a second gear shift fork 32 axially moves together in company with declutch shift shaft 1, puts in first gear or second gear.
C, extension five, reverse gear
When need hang into five reverse gears from neutral gear the time, manipulation gear shift shifting block drives and selects gear shift guide block 4 and declutch shift shaft 1 (to see) angle of rotation together clockwise backward in the past, makes the 3rd to select gear shift control pin 53 just in time to go in the U-groove bevel of five reverse speed forks 33; And first select gear shift control pin 51 will go to the below of the U-groove bevel of three fourth gear shift forks 31, and second selects gear shift control pin 52 also to go to the below of the U-groove bevel of a second gear shift fork 32.Manipulation gear shift shifting block is stirred and is selected gear shift guide block 4 to axially move, three fourth gear shift forks 31 and a second gear shift fork 32 skies are enclosed within on the declutch shift shaft 1, do not move with declutch shift shaft 1, the 3rd selects gear shift control pin 53 will drive five reverse speed forks 33 moves axially together in company with declutch shift shaft 1, hangs five grades or reverse gear.
Claims (8)
1. gear transmission control more than a kind is characterized in that: described many gears transmission control comprises declutch shift shaft and is successively set on gear position operation unit and gear performance element on the declutch shift shaft; Described gear position operation unit comprises and selects the gear shift guide block; The described gear shift guide block that selects is fixedly set on the declutch shift shaft; Described gear performance element comprises being arranged on and selects gear shift control pin and gear shift fork on the declutch shift shaft; The described gear shift control pin that selects is fixedly installed on the declutch shift shaft; Described gear shift fork sky is enclosed within on the declutch shift shaft; Described gear shift fork is provided with the U-shaped groove suitable with selecting gear shift control pin; The described gear shift guide block that selects selects the motion of gear shift control pin by the declutch shift shaft drive; The described gear shift control pin that selects carries out shifting work by the moving gear shift fork of U-shaped troughed belt; Described gear shift fork is two at least.
2. many gears transmission control according to claim 1 is characterized in that: the described quantity of gear shift control pin of selecting is identical with gear shift fork quantity, and described adjacent the choosing between the gear shift control pin is provided with the spacing of determining according to gear shift fork position.
3. many gears transmission control according to claim 1 and 2 is characterized in that: described many gears transmission control also comprise the gear selecting limiting stopper and be arranged on select on gear shift guide block and/or the declutch shift shaft and lead and spacing gear selecting limit stoper at the gear selecting limiting stopper.
4. many gears transmission control according to claim 3 is characterized in that: described gear selecting limit stoper is the limited post that can carry out spacing slip at the gear selecting limiting stopper.
5. many gears transmission control according to claim 4 is characterized in that: described gear selecting limiting stopper is provided with spacing guiding groove; Described limited post slides in spacing guiding groove and carries out spacing and guiding work.
6. many gears transmission control according to claim 5 is characterized in that: described gear position operation unit also comprises and is installed in the gear shift shifting block that selects on the gear shift guide block; Described gear shift shifting block drives the declutch shift shaft motion by selecting the gear shift guide block.
7. many gears transmission control according to claim 6 is characterized in that: described gear shift shifting block carries out circular movement by selecting the gear shift guide block to drive declutch shift shaft along the declutch shift shaft axial motion or around declutch shift shaft.
8. many gears transmission control according to claim 7 is characterized in that: the outer wall of described gear shift fork is provided with for interlocking the V-type groove that ejector pin cooperates and form the mutual interlocking gear of locking shift fork with case of transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320149127 CN203202201U (en) | 2013-03-28 | 2013-03-28 | Multi-gear speed changer operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320149127 CN203202201U (en) | 2013-03-28 | 2013-03-28 | Multi-gear speed changer operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203202201U true CN203202201U (en) | 2013-09-18 |
Family
ID=49146310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320149127 Expired - Lifetime CN203202201U (en) | 2013-03-28 | 2013-03-28 | Multi-gear speed changer operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203202201U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195921A (en) * | 2013-03-28 | 2013-07-10 | 陕西法士特齿轮有限责任公司 | Multiple-gear speed changer control mechanism |
-
2013
- 2013-03-28 CN CN 201320149127 patent/CN203202201U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195921A (en) * | 2013-03-28 | 2013-07-10 | 陕西法士特齿轮有限责任公司 | Multiple-gear speed changer control mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130918 |