CN205896059U - Speed change mechanism among two -way automatic speed changing motor transmission - Google Patents
Speed change mechanism among two -way automatic speed changing motor transmission Download PDFInfo
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- CN205896059U CN205896059U CN201620880705.1U CN201620880705U CN205896059U CN 205896059 U CN205896059 U CN 205896059U CN 201620880705 U CN201620880705 U CN 201620880705U CN 205896059 U CN205896059 U CN 205896059U
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- planet carrier
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- isolator
- electric motor
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Abstract
The utility model provides a speed change mechanism among two -way automatic speed changing motor transmission belongs to mechanical technical field. It has solved current big, the unstable problem of speed change mechanism among two -way automatic speed changing motor transmission noise. It establishes the high speed transmission tooth outside the transmission shaft including the cover, planet carrier and the isolator of fixing mutually with the transmission shaft, high speed transmission tooth and high speed driving gear mesh, the outer still cover of transmission shaft is equipped with the axle sleeve of fixing mutually with the high speed transmission tooth, the planet carrier is equipped with the go -between outward, be equipped with planetary gear set between axle sleeve and the go -between, be equipped with connection structure between planet carrier and the go -between, be equipped with centrifugal separation and reunion structure between high speed transmission tooth and the planet carrier, the transmission shaft overcoat is equipped with the coil spring, the coil spring is located between planet carrier and the isolator, the one end of coil spring is connected with the isolator, the other end of coil spring is connected with the planet carrier, the planet carrier passes through coil spring formation circumference with the isolator to be fixed. It has, and the noise is low, stable high advantage.
Description
Technical field
This utility model belongs to field of mechanical technique, is related to a kind of bidirectional automatic gear shifting transmission gear for electric motor, and particularly one
Plant the gear in bidirectional automatic gear shifting transmission gear for electric motor.
Background technology
In order to overcome conventional brush-less wheel hub motor, brushless differential speed motor or series machine to there is climbing in use
The defect of the aspect such as performance and speed, begins to use bidirectional automatic gear shifting motor transmission mechanism in electro-tricycle, it passes through single
To realize advance or the retroversion of electro-tricycle to dop and advance isolator and the cooperation retreating isolator, but, at present
The bidirectional automatic gear shifting motor transmission mechanism of this structure has that structure is compact, parts distribution dispersion, space hold mistake
Big the problems such as.
And in order to solve the above problems, the applicant once applied for a kind of [application of bidirectional automatic gear shifting transmission gear for electric motor
Number: 201510424829.9], it includes housing and is all axially fixed in the main shaft in housing and input shaft, and main shaft is cased with
Isolator, isolator includes outer shroud and the internal ring fixing with main shaft, main shaft is axially fixed with gear, outer shroud is fixed with connection
Part, on main shaft, circumference is fixed with driving member, and rotating shaft drives outer shroud and pinion rotation by gear mechanism simultaneously, and rotating shaft and outer shroud
Between gear ratio be more than the gear ratio of rotating shaft and gear；When rotating shaft rotates counterclockwise, isolator is in slipping state, connects
Part and driving member pass through the combining mechanism linkage located between the two；When rotating shaft rotates clockwise, connector and driving member lead to
Cross the separating mechanism in housing to separate and keep released state；When rotating shaft high-speed rotation clockwise, gear and internal ring lead to
Cross the gear linkage located between the two.This bidirectional automatic gear shifting transmission gear for electric motor is realizing electro-tricycle ahead and astern
On the premise of, reduce whole actuating device space to be taken well, make overall structure become simpler.
But, above-mentioned bidirectional automatic gear shifting transmission gear for electric motor there is also some defects: in this bidirectional automatic gear shifting electricity
In machine actuating device, the planetary gears that gear includes being set on main shaft is mutually consolidated with being set on main shaft and with gear
Fixed annular slab, annular slab is located between gear and planetary gears, and planetary gears includes gear ring, sun gear and planet
Frame, sun gear is connected with gear by the axle sleeve being set on main shaft, and planet carrier is circumferentially fixed with internal ring, on the end face of annular slab
It is hinged with centripetal piece, centripetal piece at least 2 pieces and circumferentially distributed, the hinged place of each centripetal piece and annular slab is equipped with torsion
Spring, axle sleeve is arranged with tubular supporter, and supporter one end is offseted with annular slab, and centripetal piece is provided with and supporter between
The guidance set two being moved axially to planet carrier direction by centripetal piece of rotation drive supporter, is set between gear ring and planet carrier
There is attachment structure, supporter and the planet carrier that can make gear ring and planet carrier linkage to planet carrier direction when supporter moves axially
Between be provided with compression spring six.When rotating shaft drives high-speed gear to rotate, gear passes through axle sleeve and sun gear drives ring gear against rotation,
So that supporter is moved towards planet carrier by the effect of guidance set two simultaneously and make planet carrier pass through attachment structure shape with gear ring
Become linkage, gear ring thus drives planet carrier together to rotate, and because planet carrier is circumferentially fixed with internal ring, internal ring is fixed with main shaft phase,
Therefore planet carrier will pass through internal ring drive main shaft and rotated.It is however noted that, pass in this bidirectional automatic gear shifting motor
Pass through in dynamic device the limited post of protrusion is arranged on planet carrier and spacing hole is arranged on the end face of internal ring, limited post is inserted into
Spacing in the hole is so that planet carrier is circumferentially fixed with annular.But carry out circumferentially fixed just leading to planet carrier using limited post
It is rigidly connected and internal ring between, then when planet carrier drives internal ring to start to rotate, can produce between limited post and internal ring
Rigid collision, thus produce larger noise.
Content of the invention
The purpose of this utility model is that there are the problems referred to above for existing technology it is proposed that a kind of bidirectional automatic gear shifting is electric
Gear in machine actuating device, technical problem to be solved is how to reduce noise in input shaft high-speed rotation, carries
High stability.
The purpose of this utility model can be realized by following technical proposal:
A kind of gear in bidirectional automatic gear shifting transmission gear for electric motor, the shell of bidirectional automatic gear shifting transmission gear for electric motor
It is fixed with input shaft and power transmission shaft in vivo, input shaft is fixed with high-speed driving tooth, this gear includes being set in power transmission shaft
Outer high-speed drive tooth, planet carrier and isolator, described high-speed drive tooth and the high-speed driving tooth phase fixing with power transmission shaft phase
Engagement, is also arranged with the axle sleeve fixing with high-speed drive tooth phase, described planet carrier is externally provided with connection ring, described outside described power transmission shaft
It is provided with planetary gearsets between axle sleeve and connection ring, between described planet carrier and connection ring, is provided with attachment structure, described high speed passes
Be provided with centrifugation clutch structure between dynamic tooth and planet carrier, when high-speed drive tooth high-speed rotation, high-speed drive tooth pass through centrifugation from
Close in structure function planet carrier and make to be linked by attachment structure between planet carrier and connection ring it is characterised in that described
Transmission outer shaft sleeve is provided with disc spring, and described disc spring is located between planet carrier and isolator, and one end of described disc spring is connected with isolator
Connect, the other end of described disc spring is connected with planet carrier, described planet carrier and isolator are formed circumferentially fixed by disc spring.
When input shaft high-speed rotation, by the cooperation of high-speed driving tooth and high-speed drive tooth, high-speed drive tooth is also located
In high-speed rotation state, because high-speed drive tooth is fixed with axle sleeve phase and is provided with planetary gearsets between axle sleeve and connection ring, because
This connection ring is also at rotary state, and high-speed drive tooth passes through to be centrifuged in clutch structure effect planet carrier and make planet carrier simultaneously
It is linked by attachment structure and connection ring between, then connection ring just thus drives planet carrier together to rotate, due to planet
It is provided with disc spring, the two ends of disc spring are connected on planet carrier and isolator, and therefore planet carrier finally carries between frame and isolator
Dynamic isolator and the power transmission shaft fixing with isolator phase together rotate.
When input shaft slowly runs, high-speed drive tooth is also at the state that slowly runs, and is so centrifuged clutch structure
No longer act on planet carrier, planet carrier is separated with connection ring, power transmission shaft no longer together rotates with high-speed drive tooth.
Gear in this bidirectional automatic gear shifting transmission gear for electric motor passes through the rigidity between planet carrier and isolator
Circumferentially fixed be changed into carrying out the circumferentially fixed of flexibility using disc spring, planet carrier has just started to drive isolator when together rotating, disk
Spring can function well as cushioning effect, enables isolator more smoothly to start to rotate, and between disc spring and isolator
Also rigid collision will not be formed, improve stability and eliminate noise well.
In the gear in above-mentioned bidirectional automatic gear shifting transmission gear for electric motor, described isolator has connection
Hole, one end that described disc spring is located at inner side is folded upward at and inserts connection in the hole, described disc spring be located at the one end in outside with
Planet carrier is connected.
One end that disc spring is located at inner side is folded upward at the connection in the hole being then inserted on isolator, so works as planet carrier
When rotating under the drive of connection ring, matched by the one end and the connecting hole of isolator bottom being folded upward inside disc spring
Close, row buffering can be entered, so that isolator is smoothly rotated, thus eliminating collision, noise-decreasing.
In the gear in above-mentioned bidirectional automatic gear shifting transmission gear for electric motor, described planet carrier has positioning
Post, one end bending that described disc spring is located at outside is in hook-shaped and is hooked in locating dowel.
One end bending that disc spring is located at outside is in hook-shaped and is hooked in the locating dowel of planet carrier, so when planet carrier rotates
When and during pulling connection ring and planet carrier together to rotate by disc spring, locating dowel pulls elastic force produced by disc spring one end
Cushioning effect can be played, so that planet carrier is smoothly together rotated with isolator.
In the gear in above-mentioned bidirectional automatic gear shifting transmission gear for electric motor, outside described planet carrier circumferentially
It is provided with some location holes, described attachment structure includes being arranged at the link block of each positioning in the hole and some protrudes from connection ring
The butting section of inwall, when high-speed drive tooth high-speed rotation, centrifugation clutch structure acts on each link block and makes each link block
Outer end stretch out outside location hole.
When high-speed drive tooth high-speed rotation, it is located at each positioning in the hole on planet carrier in the presence of centrifugation clutch structure
The outer end of link block is stretched out outside location hole, is simultaneously connected with ring and rotates under the transmission of planetary gearsets power, when connection ring turns
When moving the sidepiece sidepiece corresponding with the outer end of link block of the butting section to connection ring inwall and leaning, connection ring and link block
Formed and combine, then planet carrier just can be driven when connection ring is rotated further together to rotate, then planet carrier passes through disc spring just
Isolator and the power transmission shaft fixing with isolator phase can be driven together to rotate.
In the gear in above-mentioned bidirectional automatic gear shifting transmission gear for electric motor, the outer end of described link block has
The stop part protruding, the side of described stop part has the blocking surface of inclination, with stop on the described butting section of connection ring
The corresponding side in face has the abutment face of inclination, and the abutment face described in when high-speed drive tooth high-speed rotation is affixed with blocking surface
Close.
Connection ring does high-speed rotation with high-speed drive tooth under the transmission of planetary gearsets, supports when connection ring turns to it
When blocking surface on the stop part of the abutment face in relying part and link block outer end fits, pass through between connection ring and link block
The mode that face is coordinated with face is linked, so that connection ring thus can stably drive planet carrier together to rotate, it is to avoid connect
Skidding occurs between ring and planet carrier.
In the gear in above-mentioned bidirectional automatic gear shifting transmission gear for electric motor, described connection ring is included in annulus
The ring body of shape and some against block, described ring body sidepiece circumferentially offers some installing holes, and described fixes against block
In installing in the hole, described butting section is located at the inner side against block.
For directly processing butting section inside connection ring, using fixing band in the ring body of connection ring against block
Mode for processing when requirement lower, be also easier to manufacture.
In the gear in above-mentioned two-way automatic parameter transmission gear for electric motor, on the upside of described the inner of link block
Protrude backward, there is between protrusion backward on the upside of described link block the inner lower wall and link block the inner the stress of inclination
Face, when high-speed drive tooth high-speed rotation, centrifugation clutch structure is acting upwardly on stress surface.
On the upside of link block the inner lower wall and link block the inner, between protrusion backward, stress surface is set, so works as height
Centrifugation clutch structure is driven to act on the stress surface of link block, because stress surface is to be obliquely installed during fast driving cog high-speed rotation
, therefore link block can produce axial motion and move to outside location hole, link block front end thus stretch out location hole outer and with
Connection ring combines.
In the gear in above-mentioned bidirectional automatic gear shifting transmission gear for electric motor, it is provided with inside described planet carrier and is in
The oil seal spring of ring-type, is respectively provided with link slot on the downside of the outer end of each link block, and each link block is located in oil seal spring and oil sealing bullet
The inner edge of spring snaps in the link slot outside link block, and under the elastic force effect of oil seal spring, link block has to becoming of inside contracting
Gesture.
When input shaft slowly runs and leads to high-speed drive tooth also to slowly run, between high-speed drive tooth and planet carrier
Centrifugation clutch structure no longer acts on to planet carrier generation, now loses the suppression of centrifugation clutch structure, each link block meeting
Reset to location hole contract under the elastic force effect of oil seal spring, planet carrier is thus separated with connection ring and stops operating.
Compared with prior art, the gear in this bidirectional automatic gear shifting transmission gear for electric motor passes through planet carrier and list
Form circumferentially fixed being rigidly connected to be changed into carrying out circumferentially fixed flexible connection using disc spring, planet carrier is just opened between device
When beginning to drive isolator together to rotate, disc spring can function well as cushioning effect, so that isolator is more smoothly started
Rotate, and also will not form rigid collision between disc spring and isolator, improve stability and decreasing well and make an uproar
Sound；In addition, attachment structure is formed using the butting section protruded inside link block and connection ring, logical between link block and butting section
The way of contact crossing face with face is connect, so that connection ring can more stably drive planet carrier together to rotate.
Brief description
Fig. 1 is the outline drawing of bidirectional automatic gear shifting transmission gear for electric motor.
Fig. 2 makes the schematic internal view of bidirectional automatic gear shifting transmission gear for electric motor.
Fig. 3 is the exploded view of the gear in this bidirectional automatic gear shifting transmission gear for electric motor.
Fig. 4 is between gear high speed driving cog and connection ring in this bidirectional automatic gear shifting transmission gear for electric motor
Schematic diagram.
Fig. 5 is looking up between connection ring and planet carrier in gear in this bidirectional automatic gear shifting transmission gear for electric motor
Schematic diagram.
Fig. 6 is the partial enlarged drawing in Fig. 5.
Fig. 7 is the optical cable at planet carrier in gear in this bidirectional automatic gear shifting transmission gear for electric motor.
Fig. 8 is the schematic diagram of link block in gear in this bidirectional automatic gear shifting transmission gear for electric motor.
Fig. 9 is the optical cable at connection ring in gear in this bidirectional automatic gear shifting transmission gear for electric motor.
In figure, 1, housing；2nd, input shaft；3rd, power transmission shaft；4th, high-speed driving tooth；5th, high-speed drive tooth；6th, planet carrier；6a、
Locating dowel；6b, location hole；7th, isolator；7a, connecting hole；8th, axle sleeve；9th, connection ring；9a, ring body；9a1, installing hole；9b, support
By block；9b1, butting section；9b11, abutment face；10th, planetary gearsets；11st, it is centrifuged clutch structure；12nd, disc spring；13rd, link block；
13a, stop part；13a1, blocking surface；13b, stress surface；13c, link slot；14th, oil seal spring.
Specific embodiment
The following is specific embodiment of the utility model and combine accompanying drawing, the technical solution of the utility model is made further
Description, but this utility model is not limited to these embodiments.
As shown in Figure 1, Figure 2 and Figure 3, the gear in a kind of bidirectional automatic gear shifting transmission gear for electric motor, two-way automatic
It is fixed with input shaft 2 and power transmission shaft 3, input shaft 2 is be arranged in parallel with power transmission shaft 3, this change in the housing 1 of variable speed electric motors, particularly actuating device
Fast mechanism includes high-speed drive tooth 5, planet carrier 6 and the isolator 7 mutually fixed with power transmission shaft 3 being set in outside power transmission shaft 3, defeated
Enter and high-speed driving tooth 4 is fixed with axle 2, high-speed driving tooth 4 is meshed with high-speed drive tooth 5.
As shown in Fig. 3, Fig. 4 and Fig. 5, power transmission shaft 3 is outer to be also arranged with axle sleeve 8, and axle sleeve 8 is mutually fixed with high-speed drive tooth 5, OK
Carrier 6 is externally provided with connection ring 9, is provided with planetary gearsets 10 between axle sleeve 8 and connection ring 9.Planet carrier 6 and high-speed drive tooth 5 it
Between be provided with centrifugation clutch structure 11, be provided with attachment structure between planet carrier 6 and connection ring 9, when high-speed drive tooth 5 high-speed rotation
When, high-speed drive tooth 5 passes through to be centrifuged in clutch structure 11 effect planet carrier 6 and make to pass through even between planet carrier 6 and connection ring 9
Access node structure combines.
As shown in Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, circumferentially arranged with some location hole 6b, planet carrier 6 outside planet carrier 6
Attachment structure and connection ring 9 between includes the link block 13 being arranged in each location hole 6b and some protrudes from connection ring 9
The butting section 9b1 of inwall, the outer end of link block 13 has the stop part 13a of protrusion, and the side of stop part 13a has the resistance of inclination
Block face 13a1, on the 9b1 of butting section, the side corresponding with blocking surface 13a1 has the abutment face 9b11 of inclination, abutment face 9b11 energy
Enough fit with blocking surface 13a1.In the present embodiment, connection ring 9 include in circular ring body 9a and some against block
9b, circumferentially arranged with some installing hole 9a1 in ring body 9a, is fixed in installing hole 9a1 against block 9b, and butting section 9b1 is located at and supports
Inner side by block 9b.
As shown in fig. 7, having link slot 13c on the downside of the outer end of link block 13, in planet carrier 6, it is provided with oil sealing bullet annular in shape
Spring 14, each link block 13 is located in oil seal spring 14, and the inner edge of oil seal spring 14 snaps onto the link slot 13c of each link block 13
Interior, under the elastic force effect of oil seal spring 14, link block 13 has to the trend inside contracting.Convex backward on the upside of the inner of link block 13
Go out, there is between protrusion backward on the upside of the inner lower wall of link block 13 and link block 13 the inner the stress surface 13b of inclination.
As shown in figure 3, isolator 7 is located at the top of planet carrier 6, circumferentially fixed between isolator 7 and planet carrier 6.Transmission
Axle 3 is outer to be also arranged with disc spring 12, and disc spring 12 is located between isolator 7 and planet carrier 6, and the bottom of isolator 7 has connecting hole 7a,
One end that disc spring 12 is located at inner side is folded upward at and inserts locating dowel 6a on planet carrier 6 in connecting hole 7a with protrusion, disc spring
12 other end bending is in hook-shaped and is hooked in locating dowel 6a.
Centrifugation between the gear high speed driving cog 5 of this bidirectional automatic gear shifting transmission gear for electric motor and planet carrier 6
Planetary gearsets 10 between clutch structure 11, connection ring 9 and axle sleeve 8 all can refer to the applicant referring in background technology once
A kind of bidirectional automatic gear shifting transmission gear for electric motor [application number: the content in 201510424829.9] proposing.
When input shaft 2 high-speed rotation, high-speed drive tooth 5 by producing high-speed rotation with engaging of high-speed driving tooth 4,
Because high-speed drive tooth 5 is mutually fixed with axle sleeve 8, axle sleeve 8 is provided with planetary gearsets 10, therefore connection ring 9 and connection ring 9 between again
It is also at rotary state under the drive of high-speed drive tooth 5.And high-speed drive tooth 5 drives centrifugation clutch structure 11 upwards simultaneously
In effect planet carrier 6.
The inner of link block 13 due to being arranged in planet carrier 6 upper Positioning holes 6b has the stress surface 13b of inclination, therefore
To positioning when being centrifuged clutch structure 11 and moving upwards and act on the stress surface 13b of link block 13 the inner and by link block 13
Hole 6b extrapolates, and the outer end of link block 13 is thus stretched out outside location hole 6b.And due on the inwall of connection ring 9, there is supporting of protrusion
Relying part 9b1, the side of butting section 9b1 has the abutment face 9b11 of inclination, and the outer end of link block 13 has stop part 13a, stops
On portion 13a, corresponding side has the blocking surface 13a1 of inclination, therefore when connection ring 9 turns to abutment face 9b11 and blocking surface
When 13a1 fits, form connection between connection ring 9 and link block 13, connection ring 9 is thus, it is possible to drive by link block 13
Planet carrier 6 together rotates.
Connection ring 9 and link block 13 are to fit with blocking surface 13a1 by the abutment face 9b11 being obliquely installed to be tied
Close, hence in so that defining the way of contact in face and face phase between connection ring 9 and link block 13 so that connection ring 9 and
Connection between link block 13 is more stable, and connection ring 9 can more successfully drive planet carrier 6 synchronous axial system to occur without and beat
Sliding phenomenon.
It is provided with disc spring 12, one end of disc spring 12 inner side is folded upward at and is inserted into isolator between planet carrier 6 and isolator 7
In the connecting hole 7a of 7 bottoms, the other end of disc spring 12 curves inwardly in locating dowel 6a that is hook-shaped and being hooked in planet carrier 6, unidirectional
Formed circumferentially fixed between device 7 and planet carrier 6, then when planet carrier 6 rotates under the drive of isolator 7, isolator 7
Together rotate with planet carrier 6 in the presence of disc spring 12, and isolator 7 and power transmission shaft 3 are mutually fixed, therefore final realization transmission
Axle 3 and high-speed drive tooth 5 together do high-speed rotation.
Because this bidirectional automatic gear shifting transmission gear for electric motor is circumferentially fixed firm by being formed between planet carrier 6 and isolator 7
Property connect and be replaced by circumferentially fixed flexible connection is carried out using disc spring 12, planet carrier 6 has just started to drive isolator 7 together to turn
When dynamic, row buffering can be entered well by the elastic force effect of disc spring 12, enable isolator 7 more smoothly to start to rotate,
And also will not form rigid collision between disc spring 12 and isolator 7, improve to well prevent while stability and make an uproar
The generation of sound.
When input shaft 2 slowly runs, high-speed drive tooth 5 is also at the state that slowly runs, and is now centrifuged clutch structure 11
It is separated downwards and with link block 13, so each link block 13 inside retraction under the elastic force effect of oil seal spring 14 is multiple
Position, link block 13 is just separated with connection ring 9, then planet carrier 6 just stops operating, and isolator 7 together stops with planet carrier 6
Rotate, so that power transmission shaft 3 is not synchronously rotated with high-speed drive tooth 5.
Specific embodiment described herein is only explanation for example to this utility model spirit.This utility model institute
Belong to those skilled in the art described specific embodiment can be made with various modifications or supplement or using similar
Mode substitute, but without departing from of the present utility model spirit or surmount scope defined in appended claims.
Claims (8)
1. the gear in a kind of bidirectional automatic gear shifting transmission gear for electric motor, the housing of bidirectional automatic gear shifting transmission gear for electric motor
(1) it is fixed with input shaft (2) and power transmission shaft (3) in, input shaft (2) is fixed with high-speed driving tooth (4), this gear includes
It is set in the outer high-speed drive tooth (5) of power transmission shaft (3), planet carrier (6) and the isolator (7) mutually fixed with power transmission shaft (3), institute
State high-speed drive tooth (5) to be meshed with high-speed driving tooth (4), described power transmission shaft (3) is also arranged with outward and high-speed drive tooth (5) phase
Fixing axle sleeve (8), described planet carrier (6) is externally provided with connection ring (9), is provided with planet between described axle sleeve (8) and connection ring (9)
Gear train (10), is provided with attachment structure between described planet carrier (6) and connection ring (9), described high-speed drive tooth (5) and planet carrier
(6) be provided between centrifugation clutch structure (11), when high-speed drive tooth (5) high-speed rotation, high-speed drive tooth (5) pass through centrifugation from
Close structure (11) effect planet carrier (6) above and make to be linked by attachment structure between planet carrier (6) and connection ring (9), its
Be characterised by, be arranged with disc spring (12) outside described power transmission shaft (3), described disc spring (12) be located at planet carrier (6) and isolator (7) it
Between, one end of described disc spring (12) is connected with isolator (7), and the other end of described disc spring (12) is connected with planet carrier (6),
Described planet carrier (6) and isolator (7) are circumferentially fixed by disc spring (12) formation.
2. the gear in bidirectional automatic gear shifting transmission gear for electric motor according to claim 1 is it is characterised in that described
Isolator (7) on there is connecting hole (7a), one end that described disc spring (12) is located at inner side is folded upward at and inserts connecting hole
(7a), in, one end that described disc spring (12) is located at outside is connected with planet carrier (6).
3. the gear in bidirectional automatic gear shifting transmission gear for electric motor according to claim 2 is it is characterised in that described
Planet carrier (6) on there is locating dowel (6a), described disc spring (12) is located at one end bending in outside in hook-shaped and be hooked in positioning
On post (6a).
4. the gear in the bidirectional automatic gear shifting transmission gear for electric motor according to claim 1 or 2 or 3, its feature exists
In circumferentially arranged with some location holes (6b) outside described planet carrier (6), described attachment structure includes being arranged at each positioning
Link block (13) in hole (6b) and some butting sections (9b1) protruding from connection ring (9) inwall, when high-speed drive tooth (5)
During high-speed rotation, centrifugation clutch structure (11) acts on each link block (13) above and makes the outer end of each link block (13) stretch out positioning
Hole (6b) is outward.
5. the gear in bidirectional automatic gear shifting transmission gear for electric motor according to claim 4 is it is characterised in that described
The outer end of link block (13) there is the stop part (13a) of protrusion, the side of described stop part (13a) has the stop of inclination
Face (13a1), the upper side corresponding with blocking surface (13a1) in butting section (9b1) of described connection ring (9) has supporting of inclination
By face (9b11), the abutment face (9b11) described in when high-speed drive tooth (5) high-speed rotation and blocking surface (13a1) fit.
6. the gear in bidirectional automatic gear shifting transmission gear for electric motor according to claim 5 is it is characterised in that described
Connection ring (9) include in circular ring body (9a) and some against block (9b), described ring body (9a) sidepiece is circumferentially
Offer some installing holes (9a1), described is fixed in installing hole (9a1) against block (9b), described butting section (9b1) position
In the inner side against block (9b).
7. the gear in bidirectional automatic gear shifting transmission gear for electric motor according to claim 4 is it is characterised in that described
The inner of link block (13) on the upside of protrude backward, on the upside of described link block (13) the inner lower wall and link block (13) the inner
There is between protrusion backward the stress surface (13b) of inclination, be centrifuged clutch structure when high-speed drive tooth (5) high-speed rotation
(11) it is acting upwardly on stress surface (13b).
8. the gear in bidirectional automatic gear shifting transmission gear for electric motor according to claim 4 is it is characterised in that described
Planet carrier (6) inside be provided with oil seal spring (14) annular in shape, be respectively provided with link slot on the downside of the outer end of each link block (13)
(13c), each link block (13) is located in oil seal spring (14) and the inner edge of oil seal spring (14) snaps in outside link block (13)
In link slot (13c), under the elastic force effect of oil seal spring (14), link block (13) has to the trend inside contracting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620880705.1U CN205896059U (en) | 2016-08-12 | 2016-08-12 | Speed change mechanism among two -way automatic speed changing motor transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620880705.1U CN205896059U (en) | 2016-08-12 | 2016-08-12 | Speed change mechanism among two -way automatic speed changing motor transmission |
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| Publication Number | Publication Date |
|---|---|
| CN205896059U true CN205896059U (en) | 2017-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620880705.1U Active CN205896059U (en) | 2016-08-12 | 2016-08-12 | Speed change mechanism among two -way automatic speed changing motor transmission |
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| CN (1) | CN205896059U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644326A (en) * | 2018-04-27 | 2018-10-12 | 重庆乾威科技有限公司 | Automatic transmission for electric vehicle |
| CN112497204A (en) * | 2020-11-19 | 2021-03-16 | 深圳市工匠社科技有限公司 | Bidirectional buffer steering engine and robot |
-
2016
- 2016-08-12 CN CN201620880705.1U patent/CN205896059U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644326A (en) * | 2018-04-27 | 2018-10-12 | 重庆乾威科技有限公司 | Automatic transmission for electric vehicle |
| CN108644326B (en) * | 2018-04-27 | 2020-11-17 | 重庆乾威科技有限公司 | Automatic transmission for electric vehicle |
| CN112497204A (en) * | 2020-11-19 | 2021-03-16 | 深圳市工匠社科技有限公司 | Bidirectional buffer steering engine and robot |
| CN112497204B (en) * | 2020-11-19 | 2021-07-30 | 深圳市工匠社科技有限公司 | Bidirectional buffer steering engine and robot |
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