CN207848385U - Electric vehicle Liang Dang gearbox shiftings executing agency - Google Patents
Electric vehicle Liang Dang gearbox shiftings executing agency Download PDFInfo
- 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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- China
- Prior art keywords
- guided rings
- side guided
- wheel rim
- helical teeth
- teeth wheel
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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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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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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CN201820235895.0U Expired - Fee Related CN207848385U (en) | 2018-02-09 | 2018-02-09 | Electric vehicle Liang Dang gearbox shiftings executing agency |
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Cited By (2)
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 |
-
2018
- 2018-02-09 CN CN201820235895.0U patent/CN207848385U/en not_active Expired - Fee Related
Cited By (2)
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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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180911 Termination date: 20190209 |