CN207500459U - A kind of pure electric automobile six keeps off gearbox shifting shifting fork mechanism - Google Patents
A kind of pure electric automobile six keeps off gearbox shifting shifting fork mechanism Download PDFInfo
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- CN207500459U CN207500459U CN201721649746.0U CN201721649746U CN207500459U CN 207500459 U CN207500459 U CN 207500459U CN 201721649746 U CN201721649746 U CN 201721649746U CN 207500459 U CN207500459 U CN 207500459U
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- gear
- gears
- shifting
- guide blocks
- shift rods
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Abstract
The utility model discloses a kind of pure electric automobiles six to keep off gearbox shifting shifting fork mechanism, including upper cover housing, a gear and two gear shift rods, three gears and four gear shift rods, five gears and six gear shift rods, a gear and two gear selector forks, three gears and four gear selector forks, five gears and six gear selector forks, a gear and two gears shift gears guide blocks, three gears and four gears gearshift guide block and five gear with six gear shift gears guide block.Selector fork part and upper cover housing integrally assemble, and a gear is fixed with two gear gearshift guide blocks and five gears with six gear gearshift guide blocks by bolt, convenient for the dismounting and repair of part；One gear has interchangeability with two gear selector forks and five gears with six gear selector forks, under the premise of ensureing shift fork intensity and not interfering, can merge into Same Part, saves the expenses for opening a secondary mold more；One gear shifts gears guide block as Same Part with two gear gearshift guide blocks and five gears with six gears, symmetrical to assemble, and reduces part category, saves casting die sinking cost and processing cost.
Description
Technical field
Gearbox is kept off the utility model is related to technical field of electric vehicle transmission more particularly to a kind of pure electric automobile six to change
Keep off shifting fork mechanism.
Background technology
It is environmentally friendly with it is energy saving be major issue that the 21st century whole world faces, the Chinese government also supports to develop new energy energetically
Source, electric vehicle are to realize one of the important means of this target.And be to improve efficiency, manufacture cost is reduced, in Element Design
When not only to consider practicability, also need to consider the disassembly and assembly of interchangeability of parts and versatility and part.Therefore it designs
It is simple in structure and cleverly part be development inexorable trend.
More gearbox shifting shifting fork mechanism is used more and is individually assemblied on synchronizer sliding sleeve, and fork shaft currently on the market
Both ends are fixed on inside main casing, save the installation space of part, but are not easy to the dismounting and repair of part.Also some
Shift fork, but band self-locking and mutual interlocking gear simultaneously in the form of integrally being assembled with upper cover housing are installed, and are mounted in tradition more
In combustion engine, gearbox needs band to reverse gear, and increases back fork, and structure is complex, is necessarily made when on electric vehicle when using
Into the waste of material, and in more skillful present of motor shifting control technology, the design of gearbox shifting shifting fork structure with
Arrangement can further be simplified.
For example, in the prior art, number of patent application discloses a kind of selector fork for CN200880119179, has
With the sliding contact parts of barrel contacts and with the shift fork component for engaging arm and base end part, wherein, sliding contact parts
With the surface side plate-like portion opposed with cyclic annular operation portion and from the another side side of these plate-like portions protrusion and in circumference side
The multiple protruding portion for detaching and being maintained on engaging arm upwards, engaging arm has keeps hole portion close to the side of base end part
And the opposite side far from base end part keeps hole portion, and it is chimeric be sized to, side is made to keep the embedding of hole portion and protruding portion
Conjunction portion is, compared with the fitting portion that opposite side keeps hole portion and protruding portion, is fitted into more close positioning region.The utility model
Selector fork structure is sufficiently complex, it is difficult to adapt to the growth requirement of electric vehicle.
Utility model content
In order to solve the above-mentioned problems in the prior art, the utility model proposes a kind of pure electric automobiles six to keep off speed change
Case selector fork mechanism, the selector fork mechanism structure is simple, easy to loading and unloading, practical and economical, convenient for the gearbox later stage
Dismounting and repair.
In order to achieve the above objectives, the utility model adopts the following technical solution：
A kind of pure electric automobile six keeps off gearbox shifting shifting fork mechanism, including upper cover housing, a gear and two gear shift rods,
Three gear with four gear shift rods, five gear with six gear shift rods, one gear with two gear selector forks, three gear with four gear selector forks,
Five gears and six gear selector forks, a gear and two gear gearshift guide blocks, three gears keep off guide block and five of shifting gears with four and keep off and six gear gearshift guide blocks；
One gear and two gear shift rods, three gear and four gear shift rods and five gear and six gear shift rods
It is disposed side by side on the side of the upper cover housing successively, three gear is mounted on described three gears with four gear selector forks and is changed with four gears
Keep off fork shaft middle part, it is described one gear with two gear selector forks be mounted on described one gear with two gear shift rods one end, described five
Gear is opposite with two gear selector forks with described one gear on six gear shift rods mounted on described five gears with six gear selector forks
One end；
One gear and two gear gearshift guide blocks are fixed on a gear and are kept off on shift rods with two, and three gear is kept off with four to be changed
Gear guide block is fixed on three gear and four gear shift rods, and five gear is fixed on five gear and six with six gear gearshift guide blocks
Keep off shift rod on, it is described one gear with two gear shift gears guide blocks and it is described five gear with six gear shift gears guide blocks be symmetrically distributed in it is described three gear
With the both sides of four gear gearshift guide blocks, there is opening on the upper cover housing, a gear and two gears shift gears guide blocks, three gear with
Four gear gearshift guide blocks and it is described five gear with six gear shift gears guide blocks is exposed in the opening, it is described one gear with two gear shift gears guide blocks,
Three gear keeps off guide blocks and described five of shifting gears with four and keeps off with being both provided with guide block groove, the pure electric vehicle vapour on six gear gearshift guide blocks
The gear shifting pulling head of the motor of vehicle is shifted gears by stirring the guide block groove.
Preferably, the selector fork mechanism is further included from lock set, described to be arranged on the upper cover housing from lock set
Opposite side, it is described from lock set include sequentially connected lock-bit plug screw, plug screw bonded washer, fork shaft retaining spring and fork
Axis positioning sleeve, a gear and two gear shift rods, three gear and four gear shift rods and five gear and six gear selector forks
Fork shaft groove is both provided on axis, the bottom of the fork shaft positioning sleeve is withstood in the fork shaft groove.
Preferably, be additionally provided with plane snap ring on the upper cover housing, the plane snap ring perpendicular to described three gears with
It is contacted on the direction of four gear shift rods with described one gear with two gear gearshift guide blocks and five gear with six gear gearshift guide blocks.
Preferably, it is that integral type is molded that three gear, which keeps off guide blocks of shifting gears with four and keeps off selector forks with four with described three gears, institute
It states a gear and two gear gearshift guide block are bolted on a gear and on two gear shift rods, five gear is shifted gears with six gears
Guide block is bolted on five gear and is kept off on shift rods with six.
Preferably, a gear and the prong center of two gear selector forks, the prong of three gear and four gear selector forks
Center, five gear and six keep off the prong center of selector forks on the same line, and a gear and two gear selector forks
Prong, three gear and the prong of four gear selector forks, the prong of five gear and six gear selector forks are each perpendicular on described
The faying face of lid housing.
Preferably, a gear is with two gear shift rods and the distance between described three gears and four gear shift rods
37mm, three gear are 37mm with four gear shift rods and the distance between described five gears and six gear shift rods.
Compared with prior art, the utility model has the advantages that：
1st, selector fork part and upper cover housing integrally assemble, and a gear is shifted gears with two gear gearshift guide blocks and five gears with six gears
Guide block is fixed by bolt, convenient for the dismounting and repair of part.
2nd, three gear with four gear selector forks and three gear and four keep off shift rods it is centrally arranged, positioned at transmission main shaft just on
Side, a gear with two gear shift rods and five gears with six gear shift rods deviate to the left, to the right, ensure that and shift gears with three or four gears respectively
On the same line, and prong is each perpendicular to the faying face of upper cover housing at shift fork prong center, when can avoid upper cover general assembly
Shift fork is interfered with synchronizer sliding sleeve.
3rd, when a gear is with two gears and five gears consistent with six gear synchronizer sliding sleeve outer diameters, a gear and two gear selector forks and five
Gear has interchangeability with six gear selector forks, under the premise of ensureing shift fork intensity and not interfering, can merge into Same Part, save
The expenses for opening a secondary mold have been saved more.
4th, a gear shifts gears guide block as Same Part with two gear gearshift guide blocks and five gears with six gears, symmetrical to assemble, and reduces zero
Part type saves casting die sinking cost and processing cost.
Description of the drawings
Fig. 1 is the front schematic view of selector fork mechanism described in the utility model；
Fig. 2 is the schematic rear view of selector fork mechanism described in the utility model；
Fig. 3 is the schematic diagram of plane snap ring in the utility model embodiment；
Fig. 4 is the prong schematic diagram of each shift fork in the utility model embodiment.
In figure：1- upper cover housings, the gears of 2- mono- and two gear shift rods, the gears of 3- tri- and four gear shift rods, the gears of 4- five and six
Keep off shift rod, the gears of 5- mono- and two gear selector forks, the gears of 6- tri- and four gear selector forks, the gears of 7- five and six gear selector forks, 8-
One gear and two gear gearshift guide blocks, the gears of 9- tri- keep off guide blocks of shifting gears with four, and 10- five is kept off and six gear gearshift guide blocks, 11- lock-bit spiral shells
Plug, 12- plug screw bonded washers, 13- fork shaft retaining springs, 14- fork shaft positioning sleeves, 15- bolts, 16- plane snap rings, 17- prongs.
Specific embodiment
Below by drawings and examples, the technical solution of the utility model is described in further detail.
The utility model provides a kind of pure electric automobile six and keeps off gearbox shifting shifting fork mechanism, as depicted in figs. 1 and 2,
The selector fork mechanism include upper cover housing 1, one gear with two gear shift rods 2, three gear with four gear shift rods 3, five gear with
Six gear shift rod 4, one gears and two gear selector fork 5, three gears and four gear selector fork 6, five gears and six gear selector forks 7, one
Gear and two gear gearshift guide blocks 8, three gears keep off guide blocks 9 and five of shifting gears with four and keep off and six gear gearshift guide blocks 10；
One gear keeps off with two gear shift rods 2, three and keeps off shift rods 4 successively side by side with six with four gear shift rod 3 and five gears
The side of upper cover housing 1 is arranged on, three gears are mounted on the middle part of three gears and four gear shift rods 3, a gear with four gear selector forks 6
One end of a gear and two gear shift rods 2 is mounted on two gear selector forks 5, five gears are mounted on five gears with six gear selector forks 7
With one end opposite with two gear selector forks 5 with a gear on six gear shift rods 4；
One gear is fixed on two gear gearshift guide blocks 8 on a gear and two gear shift rods 2, and three gears and four gear gearshift guide blocks 9 are solid
It being scheduled on three gears and four gear shift rods 3, five gears are fixed on six gear gearshift guide blocks 10 on five gears and six gear shift rods 4, and one
Gear keeps off the both sides that the gear of guide blocks 8 and five of shifting gears is symmetrically distributed in three gears and four gear gearshift guide blocks 9 with six gear gearshift guide blocks 10 with two, on
There is opening, a gear and two keep off the gear of guide block 8, three of shifting gears and keep off gearshift guide block 9 and five gear and six gear gearshift guide blocks with four in lid housing 1
10 are exposed in opening, and a gear and two gear gearshift guide blocks 8, three gears keep off guide blocks 9 and five of shifting gears with four and keep off and six gear gearshift guide blocks 10
On be both provided with guide block groove, the gear shifting pulling head of the motor of pure electric automobile is shifted gears by stirring guide block groove.
Further, the selector fork mechanism is further included from lock set, and the another of upper cover housing 1 is arranged on from lock set
Side (i.e. the side opposite with selector fork part), from lock set includes sequentially connected lock-bit plug screw 11, plug screw combines
Washer 12, fork shaft retaining spring 13 and fork shaft positioning sleeve 14, one gear with two gear shift rods 2, three gear with four gear shift rods 3 and
With being both provided with fork shaft groove on six gear shift rods 4, the bottom of fork shaft positioning sleeve 14 is withstood in fork shaft groove five gears.
The operation principle of the selector fork mechanism is as follows：The gear shifting pulling head initial position of motor is located at three gears and is changed with four gears
It keeps off among the guide block groove of guide block 9, gear shifting pulling head drives three gears to keep off guide block 9 of shifting gears with four by rotation clockwise and anticlockwise
Movement is moved forward and backward, and then control synchronizer so as to which three gears be made to keep off selector fork 6 with four, realizes the gearshift work(of three gears and four gears
Energy；Similarly, when the gear shifting pulling head of motor be moved to a gear and two gear gearshift guide blocks 8 guide block groove in when, it can be achieved that one gear and
The shift steps of two gears；Be moved to five gears with six gear gearshift guide blocks 10 guide block groove in when, it can be achieved that five gear and six keep off change
Keep off step.It is each on one or the two gear gear gear shift rods 4 of shift rods 3,56 of shift rods 2,34 that there are three fork shaft groove, self-lockings
Positioning plug screw 11, plug screw bonded washer 12, fork shaft retaining spring 13 and the combination of fork shaft positioning sleeve 14 are installed along with upper cover housing 1
On, 14 bottom of fork shaft positioning sleeve is withstood in fork shaft groove, and initial position is respectively positioned on the minimum point of fork shaft groove, when Vehicular vibration or
During climb and fall, fork shaft back-and-forth motion is caused to make the up play compressing fork shaft retaining spring 13 of fork shaft positioning sleeve 14, fork shaft positioning bullet
13 forced compression of spring forms the reaction force to fork shaft, achievees the effect that self-locking, prevents automatic shifting or off-gear.
Further, three gear with four gear shift gears guide blocks 9 and three gear with four gear selector forks 6 for integral type be molded, one keep off and
Two, which keep off gearshift guide blocks 8, is fixed on by bolt 15 on a gear and two gear shift rods 2, and five gears keep off guide blocks 10 of shifting gears with six and pass through spiral shell
Bolt 15 is fixed on five gears and six gear shift rods 4.Bolt 15 is anti-loosening locking bolt, convenient for the dismounting and repair of part.
Further, as shown in figure 3, being additionally provided with plane snap ring 16 on upper cover housing 1, plane snap ring 16 is perpendicular to three
Gear is kept off with four on the direction of shift rods 3 (namely perpendicular to a gear and two gear shift rod 2 and five gears and six gear shift rods 4)
It is contacted with a gear with two gear gearshift guide block 8 and five gears with six gear gearshift guide blocks 10.
In upper cover general assembly, due to a gear with two gear selector fork 5 and five gears and six gear selector forks 7 by gravity
It influences, toward the left side or the right beat, can make the prong of a gear and two gear selector fork 5 and five gears and six gear selector forks 7 can not
With one gear with two gear and five gear with six keep off synchronizer sliding sleeves correctly coordinate, be susceptible to it is stuck in addition fill not into the phenomenon that, therefore
It machined one piece of plane card for keeping off the cooperation of guide block 10 of shifting gears with six gears with two gear gearshift guide blocks 8 and five with a gear on upper cover housing 1
Ring 16 can prevent the gear from keeping off the gear of selector fork 5 and five with two and keep off deflecting for selector forks 7 with six.
Further, a gear keeps off the distance between four gear shift rods 3 as 37mm with two gear shift rods 2 and three, and three
Gear is 37mm with the distance between four gear shift rod 3 and five gears and six gear shift rods 4.
Further, as shown in figure 4, one gear with two gear selector forks 5 two prongs 17 center, three gear and four keep off change
Two 17 centers of prong, five gears and the center of two prongs 17 of six gear selector forks 7 for keeping off shift fork 6 (are schemed on the same line
Shown in middle A), and a gear keeps off the prong of selector forks 5 with two, prong, five gears and six gears of three gears and four gear selector forks 6 change
The prong of gear shift fork 7 is each perpendicular to the faying face of upper cover housing 117.
The utility model is centrally arranged by three gears and four gear selector fork 6 and three gears and four gear shift rods 3, positioned at speed change
Right over case main shaft, a gear deviates to the left, to the right 37mm (forks respectively with two gear shift rod 2 and five gears and six gear shift rods 4
Distance between axles 37mm), it ensure that and keep off 6 prong centers of selector fork on the same line, and prong 17 is each perpendicular to four with three gears
The faying face of upper cover housing 1 can avoid shift fork during upper cover general assembly from interfering with synchronizer sliding sleeve.
In addition, when a gear is with two gears and five gears consistent with six gear synchronizer sliding sleeve outer diameters, a gear and two gear selector forks 5
There is interchangeability with five gears and six gear selector forks 7, under the premise of ensureing shift fork intensity and not interfering, same zero can be merged into
Part saves the expenses for opening a secondary mold more.It is same zero that one gear, which keeps off the gear of guide blocks 8 and five of shifting gears with two with six gear gearshift guide blocks 10,
Part, it is symmetrical to assemble, reduce part category, save casting die sinking cost and processing cost.
Above-described specific embodiment, the purpose of this utility model, technical solution and advantageous effect have been carried out into
One step is described in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of pure electric automobile six keeps off gearbox shifting shifting fork mechanism, which is characterized in that including upper cover housing, a gear and two gears
Shift rod, three gears and four gear shift rods, five gears and six gear shift rods, a gear and two gear selector forks, three gears and four gears
Selector fork, five gears and six gear selector forks, a gear and two gear gearshift guide blocks, three gears keep off guide block and five of shifting gears with four and keep off and six gears
Gearshift guide block；
One gear keeps off with two gear shift rods, described three and keeps off shift rods successively with six with four gear shift rods and five gear
The side of the upper cover housing is disposed side by side on, three gear is mounted on described three gears and four gear selector forks with four gear selector forks
The middle part of axis, it is described one gear with two gear selector forks be mounted on described one gear with two gear shift rods one end, it is described five gear with
Six gear selector forks are mounted on described five gears and one end opposite with two gear selector forks with described one gear on six gear shift rods；
One gear is fixed on a gear with two gear gearshift guide blocks and on two gear shift rods, three gear keeps off gearshift with four and leads
Block is fixed on three gear and on four gear shift rods, five gear is fixed on five gear with six gear gearshift guide blocks and is changed with six gears
It keeps off on fork shaft, a gear and two gears guide blocks and five gear and six gears guide blocks of shifting gears of shifting gears are symmetrically distributed in three gear with four
The both sides of gearshift guide block are kept off, are kept off on the upper cover housing with opening, a gear and two gear gearshift guide blocks, three gear with four
Gearshift guide block and five gear and six gears guide blocks of shifting gears are exposed in the opening, and a gear and two gears are shifted gears guide blocks, described
Three gears keep off guide blocks and described five of shifting gears with four and keep off with being both provided with guide block groove on six gear gearshift guide blocks, the pure electric automobile
The gear shifting pulling head of motor is shifted gears by stirring the guide block groove.
2. pure electric automobile six according to claim 1 keeps off gearbox shifting shifting fork mechanism, which is characterized in that the gearshift
Shifting fork mechanism is further included from lock set, the opposite side that the upper cover housing is arranged on from lock set, described from lock set packet
Include sequentially connected lock-bit plug screw, plug screw bonded washer, fork shaft retaining spring and fork shaft positioning sleeve, a gear and two gears
Shift rod, three gear are with four gear shift rods and five gear with being both provided with fork shaft groove, institute on six gear shift rods
The bottom for stating fork shaft positioning sleeve is withstood in the fork shaft groove.
3. pure electric automobile six according to claim 1 keeps off gearbox shifting shifting fork mechanism, which is characterized in that the upper cover
Be additionally provided with plane snap ring on housing, the plane snap ring on direction of described three gears with four gear shift rods with institute
A gear is stated to contact with six gear gearshift guide blocks with two gear gearshift guide blocks and five gear.
4. pure electric automobile six according to claim 1 keeps off gearbox shifting shifting fork mechanism, which is characterized in that three gear
It is molded with four gear gearshift guide blocks with described three gears with four gear selector forks for integral type, a gear passes through with two gear gearshift guide blocks
Bolt is fixed on a gear and two gear shift rods, and five gear is bolted on described five with six gear gearshift guide blocks
Gear is kept off with six on shift rods.
5. pure electric automobile six according to claim 1 keeps off gearbox shifting shifting fork mechanism, which is characterized in that a gear
Prong center, three gear with two gear selector forks keep off the prong center of selector forks with four, five gear is shifted gears with six gears
The prong center of shift fork on the same line, and it is described one gear with two gear selector forks prong, it is described three gear with four gear shift gears
The prong of the prong of shift fork, five gear and six gear selector forks is each perpendicular to the faying face of the upper cover housing.
6. pure electric automobile six according to claim 1 keeps off gearbox shifting shifting fork mechanism, which is characterized in that a gear
It is 37mm, three gear and four gear shift rods with two gear shift rods and the distance between described three gears and four gear shift rods
It is 37mm with the distance between described five gears and six gear shift rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721649746.0U CN207500459U (en) | 2017-12-01 | 2017-12-01 | A kind of pure electric automobile six keeps off gearbox shifting shifting fork mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721649746.0U CN207500459U (en) | 2017-12-01 | 2017-12-01 | A kind of pure electric automobile six keeps off gearbox shifting shifting fork mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN207500459U true CN207500459U (en) | 2018-06-15 |
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ID=62507898
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721649746.0U Active CN207500459U (en) | 2017-12-01 | 2017-12-01 | A kind of pure electric automobile six keeps off gearbox shifting shifting fork mechanism |
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| CN (1) | CN207500459U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882977A (en) * | 2017-12-01 | 2018-04-06 | 重庆越博传动系统有限公司 | A kind of pure electric automobile six keeps off gearbox shifting shifting fork mechanism |
-
2017
- 2017-12-01 CN CN201721649746.0U patent/CN207500459U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882977A (en) * | 2017-12-01 | 2018-04-06 | 重庆越博传动系统有限公司 | A kind of pure electric automobile six keeps off gearbox shifting shifting fork mechanism |
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