CN202338605U - Speed changer for pure electric vehicle - Google Patents
Speed changer for pure electric vehicle Download PDFInfo
- Publication number
- CN202338605U CN202338605U CN2011205037362U CN201120503736U CN202338605U CN 202338605 U CN202338605 U CN 202338605U CN 2011205037362 U CN2011205037362 U CN 2011205037362U CN 201120503736 U CN201120503736 U CN 201120503736U CN 202338605 U CN202338605 U CN 202338605U
- Authority
- CN
- China
- Prior art keywords
- shaft
- gearshift
- output shaft
- speed changer
- electric vehicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- General Details Of Gearings (AREA)
Abstract
The utility model relates to a speed changer for a pure electric vehicle, and belongs to the technical field of vehicle speed changers. According to the technical scheme, a running mechanism, a sealing piece and an operating mechanism are arranged in a shell, wherein the running mechanism comprises an input shaft component, an output shaft (28) and a middle shaft (35); the input shaft, the middle shaft and the output shaft are matched with one another; gear hubs (16) are arranged on the output shaft; gear sleeves (15), main gears and main gear rolling bearings are sleeved on the gear hubs; the operating mechanism comprises a shifting fork (45), a shifting fork shaft (46), a fork shaft positioning spring (56), a shifting shaft (48) and a shifting rocker arm (51); the shifting fork is arranged on the shifting fork shaft and connected with one end of the shifting shaft; and the other end of the shifting shaft is connected with the shifting rocker arm. The speed changer has a compact structure, and is low in noise and high in operability; and speed reduction and torque increasing are realized through transmission of a gear, so that demands of the electric vehicle on climbing and low-speed starting are met.
Description
Technical field
The utility model relates to a kind of pure electric vehicle and uses speed changer, belongs to the automotive transmission technical field.
Background technique
Continuous intensification along with global energy crisis; The danger aggravation of the exhaustion day by day of petroleum resources and pollution of atmosphere, global warning; New-energy automobile more and more receives the extensive attention of each automobile enterprise even countries in the world, and the electric vehicle with energy-efficient, low emission or zero-emission advantage becomes the main direction of international energy-saving and environment-friendly automobile development.Pure electric automobile is seen from practical operating experiences; By the direct control rate of motor, far can not satisfy the car load usage requirement, from the highest speed to the maximum, climb and go; Speed and change in torque wide ranges; Do not turn round if there is the deceleration of speed changer to increase, can make the motor rotation temperature rise too high, be very easy to cause motor and control system to lose efficacy.Therefore, according to the electric motor car characteristics, be that related domain needs to be resolved hurrily for it designs the speed changer that is complementary.
The model utility content
The purpose of the utility model provides a kind of pure electric vehicle and uses speed changer, and compact structure, low noise, navigability are strong, realizes through gear transmission that reduction of speed increases and turns round, and satisfies the demand of electric vehicle climbing and low speed starting, solves the problems referred to above that background technique exists.
The technological scheme of the utility model is: pure electric vehicle is used speed changer; Comprise housing, works, operating mechanism and Sealing, works, Sealing and operating mechanism are arranged in the housing, and works comprises input shaft assembly, output shaft and jack shaft; Input shaft assembly, jack shaft and output shaft mate each other; Cover toothing cover, master gear and master gear needle bearing on tooth hub, the tooth hub are installed on the output shaft, and operating mechanism comprises selector fork, shift rod, fork shaft retaining spring, gearshift axle and gearshift rocking arm, and selector fork is arranged on the shift rod; Selector fork is connected with an end of gearshift axle, and the other end of gearshift axle is connected with the gearshift rocking arm.
Said housing comprises protecgulum, fore shell, back cover, bonnet, combines the formation housing.
Said Sealing comprises protecgulum oil sealing, bonnet oil sealing, gearshift shafting oil envelope, bowl-type patch, O shape circle, is separately positioned on protecgulum, bonnet, gearshift axle, input shaft assembly and the output shaft.
The gearshift rocking arm is connected with the gearshift axle through taper, spring washer, hexagon nut; The outside gearshift rocking arm of speed changer is rotated in the shifting block position in the gearshift axle in the set allocating slot of selector fork, drives the gearshift axle; Through stirring selector fork; Drive tooth cover change in location, can realize direct retaining, neutral, bottom gear, make that electric vehicle is satisfiedly run at high speed, the demand of power interruption, climbing.
Gear is optimized design, adopts thin and tall tooth helical gear, jack shaft is set up damping fin simultaneously, effectively reduces the gear engagement noise.
Use has the special-purpose deep groove ball bearing and the needle bearing of speed changer of mature technology, makes speed changer can bear the input speed of normal revolution 6000rpm～8000rpm, can satisfy the coupling requirement of the DC permanent-magnetic brushless variable speed electric motors, particularly of electric vehicle employing.
The speed changer overall structure adopts modular design, and housing is divided into: fore shell, back cover, protecgulum, bonnet.The internal operations part of housing and supporting thereof constitutes the speed changer main body, can conveniently realize different butt joint requirements through changing protecgulum with bonnet, and easy to assembly, good manufacturability simultaneously, strengthens the adaptability of product greatly.
With the location, rim of the mouth, spline fitted connects, and is not only easy for installation, and good manufacturability between speed changer and motor, and precision is high.
Output shaft connects output flange, and speed changer is output element with the output flange, can connect with the back driving component easily; The output flange ear end face has interior rim of the mouth can guarantee external connection precision, and simultaneously, external splines cooperates on the mode that the output flange internal spline adopts the centering of big footpath and the output shaft; Guarantee its output accuracy; In addition, O shape circle is housed, effectively avoids possibility through the outside leakage of oil in matching spline place at output flange spline afterbody.
Output flange is fixed by locking nut, and used locking nut structure is that hexagonal flanged surface rear wall is thin, after tightening by regulation moment, the riveting of two places is gone in the output shaft afterbody slots, and effectively prevents becoming flexible of locking nut.
The jack shaft front end is equipped with damping fin, through dottle pin and belleville spring, makes damping fin be in effective working state by jack shaft fore bearing location, reduces the gear engagement sound.
Speed changer can be realized different low speed speed ratios through changing each gear ring number of teeth according to the requirement of car load, realizes the seriation of speed ratio.
The speed changer top is provided with breather plug, the inside and outside air pressure of ability balance assembly, and the help heat radiation prevents to ooze, leakage of oil.
Speed changer is provided with and refuels stifled and drain the oil stifledly, and draining the oil stifledly has magnetic core and can effectively adsorb metal impurities, improves the turbidity test of lubricant oil, strengthens the transmission assembly life-span.
Speed changer protecgulum oil sealing and bonnet oil sealing all adopt the fluorine rubber material, and be wear-resisting good with the high-and low-temperature resistance performance, is that antiseepage, leakage of oil and raising car load are to the adaptive favourable guarantee in region.
The good effect of the utility model is: compact structure, low noise, navigability are strong, realize through gear transmission that reduction of speed increases and turn round, and satisfy the demand of electric vehicle climbing and low speed starting.
Description of drawings
Accompanying drawing 1 is the utility model embodiment schematic representation;
Accompanying drawing 2 is the utility model oiling stifled (band pad hexagon head plug screw) and gearshift schematic representation;
Accompanying drawing 3 is the utility model shift rod location schematic representation;
Among the figure: motor 1, motor output shaft 2, protecgulum 3, protecgulum oil sealing 4, band pad hexagon head bolt 5, input shaft 6, bearing of input shaft back-up ring 7; Bearing of input shaft stop ring 8, bearing of input shaft 9, bowl-type patch 10, fore shell 11, input shaft needle bearing 12, tooth hub back-up ring 13; Breather plug 14, tooth cover 15, tooth hub 16, band pad hexagon head bolt 17, back cover 18, master gear 19; Master gear needle bearing 20, output shaft bearing 21, output shaft bearing stop ring 22, bonnet 23, output shaft bearing back-up ring 24, output flange 25; O shape circle 26, locknut packing ring 27, output shaft 28, locking nut 29, dust-proof cover 30, bonnet oil sealing 31; Band pad hexagon head bolt 32, jack shaft rear bearing stop ring 33, jack shaft rear bearing 34, jack shaft 35, locating stud 36, band pad magnetic hexagon head plug screw 37; Damping fin 38, belleville spring 39, dottle pin 40, jack shaft fore bearing 41, jack shaft fore bearing stop ring 42, band pad hexagon head bolt 43; Band pad hexagon head plug screw 44, selector fork 45, shift rod 46, shift fork positioning screwn 47, gearshift axle 48, gearshift shafting oil envelope 49, plain washer 50, gearshift Rocker arm 51, taper 52, spring washer 53, hexagon nut 54; Fork shaft location screw plug 55, fork shaft retaining spring 56, steel ball 57.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further specified through embodiment.
Pure electric vehicle is used speed changer; Comprise housing, works, operating mechanism and Sealing, works, Sealing and operating mechanism are arranged in the housing, and works comprises input shaft assembly, output shaft 28 and jack shaft 35; Input shaft assembly, jack shaft and output shaft mate each other; Cover toothing cover 15, master gear and master gear needle bearing on tooth hub 16, the tooth hub are installed on the output shaft, and operating mechanism comprises selector fork 45, shift rod 46, fork shaft retaining spring 56, gearshift axle 48 and gearshift Rocker arm 51, and selector fork is arranged on the shift rod; Selector fork is connected with an end of gearshift axle, and the other end of gearshift axle is connected with the gearshift rocking arm.
Said housing comprises protecgulum 3, fore shell 11, back cover 18, bonnet 23, combines the formation housing.
Said Sealing comprises protecgulum oil sealing 4, bonnet oil sealing 31, gearshift shafting oil envelope 49, bowl-type patch 10, O shape circle 26, is separately positioned on protecgulum, bonnet, gearshift axle, input shaft assembly and the output shaft.
The speed changer overall structure is the triple axle speed changer, and two pairs of gear transmission power are arranged.
With the location, rim of the mouth, one group of band pad of speed changer protecgulum 3 and motor main body 1 usefulness hexagon head bolt 5 connects between speed changer and the motor, and the output terminal of motor output shaft 2 is that involute outer spline cooperates with transmission input shaft assembly 6 internal splines, and power is passed to speed changer;
Input shaft and a gear are made of one, and gear end is welded with input shaft and joins tooth, constitutes input shaft assembly 6 jointly.Input shaft assembly 6 integral body are hollow structure, and the leading portion of endoporus is an internal spline, and internal spline cooperates with the motor output shaft external splines; The endoporus intermediate section is equipped with bowl-type patch 10; To realize the sealing demand, the endoporus back segment is a unthreaded hole, holds output shaft spindle nose and input shaft needle bearing with it.
Output shaft 28 integral body are stepped construction; The output shaft spindle nose is installed in through the input shaft needle bearing in the inner chamber of input shaft gear ring, and input shaft assembly 6, output shaft 28 in same axle center upwards are supported on fore shell 11 and the back cover 18 through bearing of input shaft 9 and output shaft bearing 21 respectively; Output shaft 28 is equipped with tooth hub 16 through involute splines; Also there is external spline teeth tooth hub outer ring, and on tooth hub 16, output shaft 28 also is equipped with master gear 19 through output shaft needle bearing 20 to tooth cover 15 through spline package; Master gear 19 leading portions have one section external splines attachment tooth; The output shaft afterbody is made spline and screw thread respectively for two sections, and splined section is used for cooperating the output of realization power with output flange, and thread section is used to install locking nut.
Fore shell 11 is located through two locating studs 36 with back cover 18; Connect through one group of band pad hexagon head bolt 17; Protecgulum 3 is through bearing of input shaft 9 location; Linked to each other with fore shell 11 by one group of band pad hexagon head bolt 43, bonnet 23 is linked to each other with back cover 18 by one group of band pad hexagon head bolt 32 through output shaft bearing 21 location.
Shift rod 46 two ends are bearing in respectively on fore shell 11 and the back cover 18, and selector fork 45 is installed on the shift rod 46 through shift fork positioning screwn 47, and selector fork 45 is provided with a gearshift allocating slot.
Be respectively equipped with limit dais in protecgulum 3 and back cover 18 corresponding shift rods 46 positions with restriction gearshift stroke, cross the position when preventing to change high speed or bottom gear; Gearshift axle 48 is installed on the fore shell 11, and gearshift axle 48 is provided with the gearshift shifting block
,Gearshift shifting block position and placed is in the gearshift allocating slot of selector fork 45; Gearshift Rocker arm 51 is installed on the gearshift axle 48 through taper 52, spring washer 53, hexagon nut 54; Rotation gearshift Rocker arm 51 drives the gearshift shifting block rotation on the gearshift axle 48, and corresponding drive selector fork 45 and shift rod 46 move gear that the realization speed changer is different and different power transmission lines along circumferentially moving thereby stir tooth cover 15; On back cover 18, the shoulder hole in vertical and a fork shaft hole is arranged, lining section unthreaded hole, outer section tapped hole.Steel ball 57 is equipped with in the inside, and fork shaft retaining spring 56, thread section are screwed with fork shaft location screw plug 55, realizes each the gear location and the gearshift feel of shift rod.
Claims (3)
1. a pure electric vehicle is used speed changer; It is characterized in that comprising housing, works, operating mechanism and Sealing; Works, Sealing and operating mechanism are arranged in the housing; Works comprises input shaft assembly, output shaft (28) and jack shaft (35), and input shaft assembly, jack shaft and output shaft mate each other, and cover toothing cover (15), master gear and master gear needle bearing on tooth hub (16), the tooth hub is installed on the output shaft; Operating mechanism comprises selector fork (45), shift rod (46), fork shaft retaining spring (56), gearshift axle (48) and gearshift rocking arm (51); Selector fork is arranged on the shift rod, and selector fork is connected with an end of gearshift axle, and the other end of gearshift axle is connected with the gearshift rocking arm.
2. use speed changer according to the said pure electric vehicle of claim 1, it is characterized in that said housing comprises protecgulum (3), fore shell (11), back cover (18), bonnet (23), combines the formation housing.
3. use speed changer according to the said pure electric vehicle of claim 2; It is characterized in that said Sealing comprises protecgulum oil sealing (4), bonnet oil sealing (31), gearshift shafting oil envelope (49), bowl-type patch (10), O shape circle (26), is separately positioned on protecgulum, bonnet, gearshift axle, input shaft assembly and the output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205037362U CN202338605U (en) | 2011-12-07 | 2011-12-07 | Speed changer for pure electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205037362U CN202338605U (en) | 2011-12-07 | 2011-12-07 | Speed changer for pure electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202338605U true CN202338605U (en) | 2012-07-18 |
Family
ID=46487297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205037362U Expired - Fee Related CN202338605U (en) | 2011-12-07 | 2011-12-07 | Speed changer for pure electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202338605U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573856A (en) * | 2012-08-06 | 2014-02-12 | 格特拉格传动机构和齿轮工厂赫尔曼·哈根迈尔有限公司&两合公司 | Step-variable transmission for a motor vehicle |
| CN106195143A (en) * | 2016-08-31 | 2016-12-07 | 陕西法士特齿轮有限责任公司 | A kind of two grades of pure electric vehicles list duplex countershaft transmission |
| CN106195256A (en) * | 2016-08-31 | 2016-12-07 | 温岭市明华齿轮有限公司 | A kind of gearshift |
| CN106369117A (en) * | 2014-02-28 | 2017-02-01 | 长乐市丽智产品设计有限公司 | Speed regulating mechanism |
| CN116624565A (en) * | 2023-05-29 | 2023-08-22 | 山东捷达汽车零部件有限公司 | Belt pulley input high-low gear shaft transmission speed changer capable of realizing power reversing |
-
2011
- 2011-12-07 CN CN2011205037362U patent/CN202338605U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573856A (en) * | 2012-08-06 | 2014-02-12 | 格特拉格传动机构和齿轮工厂赫尔曼·哈根迈尔有限公司&两合公司 | Step-variable transmission for a motor vehicle |
| CN106369117A (en) * | 2014-02-28 | 2017-02-01 | 长乐市丽智产品设计有限公司 | Speed regulating mechanism |
| CN106195143A (en) * | 2016-08-31 | 2016-12-07 | 陕西法士特齿轮有限责任公司 | A kind of two grades of pure electric vehicles list duplex countershaft transmission |
| CN106195256A (en) * | 2016-08-31 | 2016-12-07 | 温岭市明华齿轮有限公司 | A kind of gearshift |
| CN116624565A (en) * | 2023-05-29 | 2023-08-22 | 山东捷达汽车零部件有限公司 | Belt pulley input high-low gear shaft transmission speed changer capable of realizing power reversing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202338605U (en) | Speed changer for pure electric vehicle | |
| CN102717705B (en) | Mechanical intelligent adaptive double-gear automatic speed change hub with multiple cams | |
| CN103434379B (en) | Motor vehicle dual-motor automatic gear shifting control system | |
| CN101525034B (en) | Double cam self-adapting automatic gear shifting hub | |
| CN103010016A (en) | Rear axle driving assembly for electrocar | |
| CN105129016A (en) | Side-hung bow cone swing type self-adaption automatic variable-speed drive assembly for electric motorcycle | |
| CN105151215A (en) | Lateral-hung bow disk type two-gear self-adaption automatic speed change driving assembly for electric motorcycle | |
| CN105270562A (en) | Side-hanging pendulum type self-adaptive automatic transmission driving assembly for electric motorcycle | |
| CN101525035B (en) | Combined high-speed motor reduction and double cam automatic transmission integrated device | |
| CN110774831A (en) | Commercial car coaxial type two-gear speed change electric drive axle power assembly | |
| CN202326833U (en) | Parallel hydraulic retarder for adjusting speed ratio through gear meshing | |
| CN102555789B (en) | Mechanical intelligent adaptive double-automatic speed changer driving assembly | |
| CN113085541A (en) | Two-gear high-speed electric drive system for automobile | |
| CN109695686B (en) | Driving axle double-speed reducer structure with double bevel gears | |
| CN111336225A (en) | Triple planetary gear type in-wheel two-gear automatic speed change mechanism and gear shifting control method thereof | |
| CN110686054A (en) | Two speed reducer of new energy automobile | |
| CN207961429U (en) | A kind of 10 shift transmission assembly of Al-alloy casing | |
| CN105757134B (en) | A kind of multidisc clutch assembly | |
| CN105805241B (en) | A kind of electronic automotive self-adapting increases square energy-conservation drive assembly automatically | |
| CN212273022U (en) | Power output unit with power disconnection function and automobile | |
| CN210258002U (en) | Power transmission integrated system of electric automobile | |
| CN109334349B (en) | Transmission for new energy vehicle electric drive axle | |
| CN209781659U (en) | Novel two keep off speed change with motor worm gear gearshift | |
| CN105365996A (en) | Laterally hung bow cone type two-gear self-adaption automatic speed change driving assembly for electric motorcycle | |
| CN112762148A (en) | Two-gear planetary transmission based on jaw clutch gear shifting |
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 |
Granted publication date: 20120718 Termination date: 20151207 |
|
| EXPY | Termination of patent right or utility model |