CN207848385U - Electric vehicle Liang Dang gearbox shiftings executing agency - Google Patents

Electric vehicle Liang Dang gearbox shiftings executing agency Download PDF

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Publication number
CN207848385U
CN207848385U CN201820235895.0U CN201820235895U CN207848385U CN 207848385 U CN207848385 U CN 207848385U CN 201820235895 U CN201820235895 U CN 201820235895U CN 207848385 U CN207848385 U CN 207848385U
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CN
China
Prior art keywords
guided rings
side guided
wheel rim
helical teeth
teeth wheel
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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
Application number
CN201820235895.0U
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Chinese (zh)
Inventor
纪宏超
龙海洋
张硕
裴未迟
李耀刚
刘畅
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North China University of Science and Technology
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North China University of Science and Technology
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Priority to CN201820235895.0U priority Critical patent/CN207848385U/en
Application granted granted Critical
Publication of CN207848385U publication Critical patent/CN207848385U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Gear Transmission (AREA)

Abstract

The utility model is related to a kind of electric vehicle Liang Dang gearbox shiftings executing agencies, including geared worm, shift helical teeth wheel rim, the circumferential surface of geared worm to be equipped with helical tooth;Helical teeth wheel rim of shifting gears is mounted on planet row, and the middle part of shift helical teeth wheel rim is equipped with gear structure, and gear structure both sides are respectively arranged with left trapezoid thread, right trapezoidal thread, and gear structure is engaged with geared worm;The arranged on left and right sides of shift helical teeth wheel rim is respectively equipped with left side guided rings, right side guided rings, and left side guided rings, right side guided rings are coordinated with left trapezoid thread, right trapezoidal thread respectively by internal thread;Shift helical teeth wheel rim coordinates with the trapezoidal thread of left side guided rings or right side guided rings respectively when being rotated along different directions around own axes, makes shift helical teeth wheel rim axially movable, completes the switching between two kinds of gears.The utility model is simple in structure, execution efficiency is high and executing agency convenient for installation and maintenance will greatly improve gearbox shifting performance.

Description

Electric vehicle Liang Dang gearbox shiftings executing agency
Technical field
The utility model is related to gear shifting actuating mechanism, specifically a kind of electric vehicle Liang Dang gearbox shiftings executing agency.
Background technology
Increasingly serious with environmental problem, Development of Electric Vehicles has become the trend of future development.Electric vehicle at present Two grades of gearbox applications are still in infancy, therefore for the utility model of electric vehicle Liang Dang gearbox shiftings executing agency It designs significant.
Electric vehicle mainly uses the conventional power transmission form of driving motor cooperation single reduction gear at present, this not only can Increase energy consumption, also will increase driving motor burden, therefore gear should be increased, ensure that motor always works in efficient region, into one Step promotes its dynamic property and economy.
Two grades of gearboxes have many advantages, such as that inheritance simple in structure is good, and can coordinate the working characteristics of motor, to It reduces power consumption and increases electric automobile during traveling mileage.But existing electric automobile gear-box usage degree is low, complicated, causes electricity The problems such as economy dynamic property of electrical automobile is poor.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of electric vehicle Liang Dang gearbox shiftings executing agencies, should Mechanism structure is simple, execution efficiency is high and executing agency convenient for installation and maintenance will greatly improve gearbox shifting performance.
In order to solve the above technical problems, the utility model adopts the following technical solution:
A kind of electric vehicle Liang Dang gearbox shiftings executing agency, including geared worm, shift helical teeth wheel rim, it is described Geared worm is involute helicoid worm, and one end of geared worm is provided with spline, and shift motor input terminal is socketed in equipped with spline One end of slot, shift motor drive geared worm rotation, the geared worm other end to be installed on gear box casing by bearing, pass The circumferential surface of dynamic worm screw is equipped with helical tooth, and helical tooth is engaged with shift helical teeth wheel rim;Helical teeth wheel rim of shifting gears is mounted on planet row, The middle part of shift helical teeth wheel rim is equipped with gear structure, and gear structure both sides are respectively arranged with left trapezoid thread, right trapezoidal thread, tooth Wheel construction is engaged with geared worm;The arranged on left and right sides of shift helical teeth wheel rim is respectively equipped with left side guided rings, right side guided rings, left Side guided rings, right side guided rings are connect with gear box casing;Left side guided rings, right side guided rings are equipped with internal thread, left side Guided rings, right side guided rings are coordinated with left trapezoid thread, right trapezoidal thread respectively by internal thread;Geared worm driving shift is oblique Gear ring is guided with left side around own axes rotary motion, shift helical teeth wheel rim when being rotated along different directions around own axes respectively Ring or the cooperation of the trapezoidal thread of right side guided rings, make shift helical teeth wheel rim axially movable, realization is combined point with both sides friction plate From to complete the switching between two kinds of gears.
Compared with prior art, prominent feature is the utility model:
(1)The helical tooth of geared worm is engaged with the gear structure of shift helical teeth wheel rim, can also be achieved gear shifting actuating mechanism Revesal self-locking, hoisting mechanism global reliability.
(2)Simple in structure, operational stability is strong, drives geared worm that shift helical teeth wheel rim is driven to turn by shift motor It is dynamic, and shift gears the rotation of helical teeth wheel rim when axial movement generated to shift gears due to the guiding function of left and right guided rings, in this way may be used To realize shift by simple structure, the economical and comfort of electric vehicle can be improved.
(3)Component is few, at low cost, easy to maintain.
Further optimal technical scheme is as follows:
The left side guided rings and right side guided rings are equipped with outer circle, interior circle, and interior circle is equipped with internal thread, outer circle Body is equipped with bolt hole, left side guided rings and right side guided rings and is connected by bolt hole, bolt and gear box casing.By above-mentioned Setting facilitates left side guided rings and right side guided rings to be connected and fixed.
The tooth root of the gear structure is higher by the upper surface of left trapezoid thread, right trapezoidal thread.Above-mentioned setting, Ke Yiyou Effect avoids left trapezoid thread, right trapezoidal thread from touching geared worm.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model embodiment;
Fig. 2 is the stereogram of right side guided rings shown in FIG. 1;
Fig. 3 is the stereogram of geared worm shown in FIG. 1;
Fig. 4 is the stereogram of shift helical teeth wheel rim shown in FIG. 1;
Reference sign:Guided rings on the left of 1-;2- geared worms;3- shift helical teeth wheel rims;Guided rings on the right side of 4-; The outer circles of 5-;Circle in 6-;7- internal threads;8- helical tooths;9- gear structures;The right trapezoidal threads of 10-;The left sides 11- are trapezoidal Screw thread.
Specific implementation mode
With reference to the accompanying drawings and embodiments, the utility model is further illustrated.
Referring to Fig. 1-Fig. 4, a kind of electric vehicle Liang Dang gearbox shiftings executing agency, by geared worm 2, shift helical gear Circle 3 and left side guided rings 1, right side guided rings 4 form;Geared worm 2 is involute helicoid worm, and one end of geared worm 2 is provided with Spline, shift motor input terminal are socketed in one end equipped with spline, and shift motor drives geared worm 2 to rotate, and is driven snail 2 other end of bar is installed on by bearing on gear box casing, and the circumferential surface of geared worm 2 is equipped with helical tooth 8, helical tooth 8 with change Helical teeth wheel rim 3 is kept off to engage;Helical teeth wheel rim 3 of shifting gears is mounted on planet row, and the middle part of shift helical teeth wheel rim 3 is equipped with gear structure 9, 9 both sides of gear structure are respectively arranged with left trapezoid thread 11, right trapezoidal thread 10, and gear structure 9 is engaged with geared worm 2;It changes The arranged on left and right sides of gear helical teeth wheel rim 3 is respectively equipped with left side guided rings 1, right side guided rings 4, left side guided rings 1, right side guided rings 4 It is connect with gear box casing;Left side guided rings 1, right side guided rings 4 are equipped with internal thread 7, left side guided rings 1, right side guiding Ring 4 is coordinated with left trapezoid thread 11, right trapezoidal thread 10 respectively by internal thread 7;The driving shift helical teeth of geared worm 2 wheel rim 3 Around own axes rotary motion, when shift helical teeth wheel rim 3 is rotated around own axes along different directions respectively with left side guided rings 1 or The trapezoidal thread of right side guided rings 4 coordinates, and makes shift helical teeth wheel rim 3 axially movable, realizes and is detached with the combination of both sides friction plate, To complete the switching between two kinds of gears.
Left side guided rings 1 and right side guided rings 4 are equipped with outer circle 5, interior circle 6, and interior circle 6 is equipped with internal thread 7, outer circle Body 5 is equipped with bolt hole, left side guided rings 1 and right side guided rings 4 and is connected by bolt hole, bolt and gear box casing.Pass through Above-mentioned setting facilitates left side guided rings 1 and right side guided rings 4 to be connected and fixed.
The tooth root of gear structure 9 is higher by the upper surface of left trapezoid thread 11, right trapezoidal thread 10.Above-mentioned setting, Ke Yiyou Effect avoids left trapezoid thread 11, right trapezoidal thread 10 from touching geared worm 2.
The present embodiment have the advantages that with:
(1)The helical tooth 8 of geared worm 2 is engaged with the gear structure 9 of shift helical teeth wheel rim 3, be can also be achieved shift and is executed The revesal self-locking of mechanism, hoisting mechanism global reliability.
(2)Simple in structure, operational stability is strong, drives geared worm 2 to drive 3 turns of shift helical teeth wheel rim by shift motor It is dynamic, and helical teeth wheel rim 3 of shifting gears generates axial movement to shift gears, in this way when rotating due to the guiding function of left and right guided rings Shift can be realized by simple structure, the economical and comfort of electric vehicle can be improved.
(3)Component is few, at low cost, easy to maintain.
The foregoing is merely specific embodiment of the utility model, but the protection of the utility model is without being limited thereto, Ren Heben Those skilled in the art the thinkable variation being equal with the technical program technical characteristic or replacement, all cover in this reality Within novel protection domain.

Claims (3)

1. a kind of electric vehicle Liang Dang gearbox shiftings executing agency, including geared worm, shift helical teeth wheel rim, feature exist In:The geared worm is involute helicoid worm, and one end of geared worm is provided with spline, and shift motor input terminal is socketed in One end equipped with spline, shift motor drive geared worm rotation, the geared worm other end to be installed on gearbox by bearing On shell, the circumferential surface of geared worm is equipped with helical tooth, and helical tooth is engaged with shift helical teeth wheel rim;Shift helical teeth wheel rim is mounted on On planet row, the middle part of shift helical teeth wheel rim is equipped with gear structure, and gear structure both sides are respectively arranged with left trapezoid thread, right ladder Shape screw thread, gear structure are engaged with geared worm;The arranged on left and right sides of shift helical teeth wheel rim is respectively equipped with left side guided rings, right side Guided rings, left side guided rings, right side guided rings are connect with gear box casing;In left side guided rings, right side guided rings are equipped with Screw thread, left side guided rings, right side guided rings are coordinated with left trapezoid thread, right trapezoidal thread respectively by internal thread;Geared worm Driving shift helical teeth wheel rim is distinguished around own axes rotary motion, shift helical teeth wheel rim when being rotated along different directions around own axes Coordinate with the trapezoidal thread of left side guided rings or right side guided rings, makes shift helical teeth wheel rim axially movable.
2. electric vehicle Liang Dang gearbox shiftings executing agency according to claim 1, it is characterised in that:The left side Guided rings and right side guided rings are equipped with outer circle, interior circle, and interior circle is equipped with internal thread, and outer circle is equipped with bolt hole, left Side guided rings and right side guided rings are connected by bolt hole, bolt and gear box casing.
3. electric vehicle Liang Dang gearbox shiftings executing agency according to claim 1, it is characterised in that:The gear The tooth root of structure is higher by the upper surface of left trapezoid thread, right trapezoidal thread.
CN201820235895.0U 2018-02-09 2018-02-09 Electric vehicle Liang Dang gearbox shiftings executing agency Expired - Fee Related CN207848385U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820235895.0U CN207848385U (en) 2018-02-09 2018-02-09 Electric vehicle Liang Dang gearbox shiftings executing agency

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820235895.0U CN207848385U (en) 2018-02-09 2018-02-09 Electric vehicle Liang Dang gearbox shiftings executing agency

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CN207848385U true CN207848385U (en) 2018-09-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108131448A (en) * 2018-02-09 2018-06-08 华北理工大学 Electric vehicle Liang Dang gearbox shiftings executing agency
CN110671567A (en) * 2019-09-22 2020-01-10 安徽超星新材料科技有限公司 Quick-connection polyethylene solid-wall pipe assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108131448A (en) * 2018-02-09 2018-06-08 华北理工大学 Electric vehicle Liang Dang gearbox shiftings executing agency
CN110671567A (en) * 2019-09-22 2020-01-10 安徽超星新材料科技有限公司 Quick-connection polyethylene solid-wall pipe assembly

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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: 20180911

Termination date: 20190209