CN202439563U - Multilevel mechanical speed-changing electric wheel hub - Google Patents
Multilevel mechanical speed-changing electric wheel hub Download PDFInfo
- Publication number
- CN202439563U CN202439563U CN2012200732434U CN201220073243U CN202439563U CN 202439563 U CN202439563 U CN 202439563U CN 2012200732434 U CN2012200732434 U CN 2012200732434U CN 201220073243 U CN201220073243 U CN 201220073243U CN 202439563 U CN202439563 U CN 202439563U
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- gear
- driven gear
- retaining
- automatic catch
- blind
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Abstract
The utility model discloses a multilevel mechanical speed-changing electric wheel hub, which comprises a main shaft, and a wheel rim and a motor, which are arranged on the main shaft, and the multilevel mechanical speed-changing electric wheel hub also comprises a gear speed-changing device which is arranged on the main shaft and transfers power to the wheel rim so as to make the wheel rim rotate at different rotating speeds, and an output shaft of the motor is connected with an input shaft of the gear speed-changing device. The gear shifting can be performed at will according to different situations, so that the motor can be ensured to always stay at an optimum working state, the duration miles can be increased, the motor can adapt to different working conditions, high working efficiency can be realized under different working conditions, the motor can adapt to the situation such as climbing or large load, and the application range is wide.
Description
Technical field
The utility model belongs to the wheel technical field, relates in particular to a kind of multi-stage mechanical Variable-speed electric wheel hub.
Background technology
Society now, battery-driven cars such as battery-operated motor cycle, Electrical Bicycle are widely used because of advantages such as easy to use, quick, power savings.The wheel hub of existing most of battery-driven cars is equipped with the motor installation position, and motor is set on it, through the rotation of motor-driven wheel hub, under the situation of climbing or heavy load; Motor output torque is not enough, and motor stall can occur, generate heat even stop operating, and is easy to burn out motor like this, influences the life-span of motor; So only promote the use of at region of no relief, can not under mountain area, hills or heavy duty situation, use, range of use is little; And if the hypothesis mechanical gear box can cause volume to strengthen again, use inconvenience.
Summary of the invention
The purpose of the utility model is to consider the problems referred to above and a kind of multi-stage mechanical Variable-speed electric wheel hub is provided, and can realize mechanical speed change with compact design, makes motor under different working conditions, all can efficiently move.
In order to achieve the above object; The technical scheme of the utility model: a kind of multi-stage mechanical Variable-speed electric wheel hub; Comprise main shaft; Be arranged on wheel rim and motor on the main shaft, also comprise be arranged on the main shaft, to wheel rim transferring power and change gear transmission that wheel rim is rotated with different rotating speeds, said change gear transmission comprises manually retaining change-gear set of automatic catch change-gear set and at least one; Said automatic catch change-gear set comprises automatic catch driving gear and automatic catch driven gear; Said manual retaining change-gear set comprises manual retaining driving gear and manually keeps off driven gear; The automatic catch driven gear is enclosed within on the main shaft respectively with manual retaining driven gear; The automatic catch driving gear is enclosed within respectively on the input shaft of change gear transmission with manual retaining driving gear; The automatic catch driving gear is meshed with the automatic catch driven gear, manually keeps off driving gear and is meshed with manually keeping off driven gear, and the output shaft of motor connects with the input shaft of change gear transmission.
Above-mentioned automatic catch change-gear set and several manually retaining change-gear set place respectively in the housing of change gear transmission; Motor is fixed on the housing; Said automatic catch driven gear is located on the main shaft through hollow shaft sleeve respectively with manual retaining driven gear, and the input shaft two ends are installed on the housing through bearing respectively; Automatic catch driven gear and manual retaining driven gear are respectively equipped with internal tooth; Sheathed this section hollow shaft of automatic catch driven gear is provided with the ratchet loose slot, and the ratchet loose slot is provided with ratchet, and ratchet is installed on the ratchet loose slot through ratchet button spring; One end of ratchet can embed the internal tooth of automatic catch driven gear in the effect perk of ratchet button spring; Manually sheathed this section hollow shaft of retaining driven gear is provided with the blind loose slot, is provided with the blind of vertical axial tilting therein in the blind loose slot, and blind is provided with and acts on the spring that makes the perk of one of which end on the hollow shaft; That end of blind perk can embed the manually internal tooth of retaining driven gear; Be provided with vertically the sliding part that slides in the axis hole of hollow shaft, sliding part can push up blind and stick up into an end, is provided with in the axis hole to drive sliding part actuator in axial sliding in axis hole.
The groove that above-mentioned sliding part is provided with, the side of groove is provided with annular slope.
Above-mentioned blind side is provided with guiding surface.
The end of above-mentioned said sliding part is provided with annular slope.
Above-mentioned blind loose slot is provided with spring eye, and spring one end places in the spring eye, the perk end in contact of the other end and blind.
Above-mentioned automatic catch driven gear, each diameter that manually keeps off driven gear are variant.
Above-mentioned main shaft is provided with a passage, and the sidewall of main shaft is provided with fluting, and passage is communicated with fluting; Actuator comprises block key and change retaining thimble, and block key places fluting, becomes the retaining thimble and places passage, and change keeps off thimble one end and contacts with block key, and the block key two ends are connected with sliding part, also are provided with retracing spring on the sliding part.
The both sides of above-mentioned wheel rim are separately installed with wheel cap.
Compared with prior art, the beneficial effect of the utility model is following:
1, therefore the utility model can realize mechanical speed change because main shaft is provided with to the wheel rim transferring power and makes the change gear transmission of wheel rim with the different rotating speeds rotation, can realize shifting gears arbitrarily according to different situations; Thereby guarantee that motor is in optimum Working all the time; Promote the continuation of the journey mileage, make motor can adapt to different working conditions, can be under different operating modes with greater efficiency work; Can be applicable to climbing or the bigger situation of load, applied range.
2, the utility model has made full use of the axis hole space of hollow shaft, at axis hole sliding part is set, and realizes that through moving sliding part control automatic catch driven gear connects with hollow shaft, has both realized speed governing, also makes the structure of change gear transmission become compact.
3, motor rotates; Speed change output is all accomplished around a main shaft; And through the setting of the position between the variable gear in the change gear transmission has been reduced overall volume effectively, wheel rim is arranged on the main shaft simultaneously, thereby form motor-wheel rim integral structure; Therefore it is little, practical to take up room.
Description of drawings
Fig. 1 is the exploded view of the utility model.
Fig. 2 is the cutaway view of the utility model.
Fig. 3 is the cut-away view of the change gear transmission of the utility model.
Fig. 4 is the appearance assumption diagram of the hollow shaft of the utility model.
Fig. 5 is the appearance assumption diagram of the sliding part of the utility model.
Fig. 6 is the appearance assumption diagram of the blind of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the multi-stage mechanical Variable-speed electric wheel hub of the utility model is done detailed description.
Embodiment
The structure of the multi-stage mechanical Variable-speed electric wheel hub of the utility model such as accompanying drawing 1 to 5 are said; Comprise main shaft 1, wheel rim 2, motor 3; Be arranged on the change gear transmission between motor 3 and the wheel rim 2; The miniature gears 61 of the output shaft 6 of motor 3 and 71 engagements of the reducing gear of the input shaft 7 of change gear transmission, reducing gear 71 and input shaft 7 keyed jointings, the both sides of wheel rim 2 are separately installed with wheel cap 2a.
In the present embodiment, change gear transmission comprises housing 8, hollow shaft 9, sliding part 10, and said hollow shaft 9 is set on the main shaft 1 through bearing 31,32, and housing 8 one ends pass through screw retention on motor 3,
The other end is set on the hollow shaft 9 through bearing 33, and automatic catch change-gear set 4 and manual retaining change-gear set 5 place respectively in the housing 8, and the automatic catch change-gear set 4 of this enforcement has only one group, and manually keeping off change-gear set 5 has two groups.
Above-mentioned automatic catch change-gear set 4 comprises automatic catch driving gear 41 and automatic catch driven gear 42; Automatic catch driving gear 41 is meshed with automatic catch driven gear 42; Said manual retaining change-gear set 5 comprises manual retaining driving gear 51 and manually keeps off driven gear 52; Automatic catch driven gear 42, each diameter that manually keeps off driven gear 52 are variant, manually keep off driving gear 51 and be meshed with manual retaining driven gear 52, automatic catch driving gear 41 and manually retaining driving gear 51 be set in respectively on the input shaft 7; In the present embodiment; Automatic catch driving gear 41 is an one with input shaft 7, manually keeps off driving gear 51 and input shaft 7 keyed jointings, and input shaft 7 two ends are installed on the housing 8 through bearing 34 respectively; Automatic catch driven gear 42 and manual retaining driven gear 52 are enclosed within respectively on the hollow shaft 9, and automatic catch driven gear 42 and manual retaining driven gear 52 are respectively equipped with internal tooth 1a, and automatic catch driven gear 42 sheathed this section hollow shafts 9 are provided with ratchet loose slot 91; Ratchet loose slot 91 is provided with ratchet 92, and ratchet 92 is installed on the ratchet loose slot 91 through ratchet button spring 93, and an end of ratchet 92 can embed the internal tooth 1a of automatic catch driven gear 42 in the 93 effect perks of ratchet button spring; Manually retaining driven gear 52 sheathed this section hollow shafts 9 are provided with blind loose slot 94, are provided with the blind 95 of vertical axial tilting therein in the blind loose slot 94, in the present embodiment; Blind 95 is hinged in the blind loose slot 94 through pin 95a; Blind 95 is provided with and acts on the spring 96 that makes the perk of one of which end on the hollow shaft 9, in the present embodiment, on blind loose slot 94, is provided with spring eye 94a; Described spring 96 1 ends place in the spring eye 94a; That end in contact of the other end and blind 95 perks, that end of blind 95 perks can embed the manually internal tooth 1a of retaining driven gear 52, are provided with the sliding part 10 that slides vertically in the axis hole 91 of hollow shaft 9; Sliding part 10 can push up blind 96 and stick up into an end; Be provided with in the axis hole 91 and drive sliding part 10 actuator 97 in axial sliding in axis hole 91, the actuator 97 of present embodiment comprises block key 13 and becomes retaining thimble 14 that main shaft 1 is provided with a passage 11; The sidewall of main shaft 1 is provided with fluting 12, and passage 11 is communicated with fluting 12; Block key 13 places fluting 12, becomes retaining thimble 14 and places passage 11, becomes retaining thimble 14 1 ends and contacts with block key 13; Block key 13 two ends are connected with sliding part 10; Also be provided with retracing spring 10c on the sliding part 10, when needing to become retaining, can realize through becoming retaining thimble 14 control sliding parts 10.
Blind 96 perks for ease, the end of above-mentioned sliding part 10 is provided with annular slope 10a, the groove 10b that sliding part 10 is provided with, the side of groove 10b is annular slope 10a, blind 95 sides are provided with guiding surface 95a.When blind 96 places position or the sliding part 10 of groove 10b and manual being staggeredly located out of retaining driven gear 52, that end of blind 96 perks embeds the internal tooth 1a that is set in the manual retaining driven gear 52 on this section hollow shaft 9.
Below the working process and the principle of the multi-stage mechanical Variable-speed electric wheel hub among the embodiment described, the multi-stage mechanical Variable-speed electric wheel hub in the present embodiment can be realized three retaining speed changes: promptly be bottom gear, middling speed retaining and top gear.Be bottom gear under the normality,, can adjust to middling speed retaining and top gear through conversion.
Under the normality; The groove 10b of sliding part 10 places two groups manually to keep off between the driven gear 52, is distributed in sliding part 10 sticking up into end of two groups of blinds 95 outward and is retracted, and the perk end of blind 95 also is retracted and separates with the internal tooth 1a that is distributed in hollow shaft 9 two groups of automatic catch driven gears 42 outward; Ratchet 92 perk outside hollow shaft 9 is only arranged; Ratchet 92 embeds the internal tooth 1a of automatic catch driven gear 42, and automatic catch driven gear 42 is rotated with hollow shaft 9, realizes low speed driving.
The conversion of middling speed retaining; Become retaining thimble 14 promotion sliding parts 10 and be moved to the left certain distance, that group blind 95 in the groove 10b of sliding part 10 and left side aligns, and the blind 95 in left side is under spring 96 effects; The end that sticks up of the blind 95 in left side places in the groove 10b; The perk and embed the internal tooth 1a of the manual retaining driven gear 52 of homonymy to hollow shaft 9 outside of the perk end of blind 95 in left side, and the position that the blind 95 on right side is in the normal state realize that middling speed keeps off conversion.
The top gear conversion; Cancel and act on the thrust that becomes retaining thimble 14; Sliding part 10 is at the effect of the retracing spring 10c certain distance that moves right, and that group blind 95 on the groove 10b of sliding part 10 and right side aligns, and the blind 95 on right side is under spring 96 effects; The end that sticks up of the blind 95 on right side places in the groove 10b; The perk and embed the internal tooth 1a of the manual retaining driven gear 52 of homonymy outside hollow shaft 9 of the perk end of the blind 95 on right side, and the top gear conversion is realized in the position that the blind 95 in left side is in the normal state.
When being in climbing or load-carrying when big, need to increase torsion, at this moment, be pushed to the position under the normality to sliding part 10 through promoting to become retaining thimble 14.
In the present embodiment, bottom gear, middling speed retaining and top gear conversion arbitrarily do not need---middling speed retaining---order speed change of top gear necessarily successively from bottom gear, and be simple and quick.
The foregoing description is merely the preferred embodiment of the utility model, is not the practical range that is used for limiting the utility model.Be that all equalizations of being done according to the utility model content change and modification, all contained by the utility model claim scope required for protection.
Claims (9)
1. multi-stage mechanical Variable-speed electric wheel hub; Comprise main shaft (1); Be arranged on wheel rim (2) and motor (3) on the main shaft (1); It is characterized in that, also comprise be arranged on main shaft (1) go up, to wheel rim (1) transferring power and change gear transmission that wheel rim (1) is rotated with different rotating speeds, said change gear transmission comprises manually retaining change-gear set (5) of automatic catch change-gear set (4) and at least one; Said automatic catch change-gear set (4) comprises automatic catch driving gear (41) and automatic catch driven gear (42); Said manual retaining change-gear set (5) comprises manual retaining driving gear (51) and manually keeps off driven gear (52); Automatic catch driven gear (42) and manual retaining driven gear (52) are enclosed within respectively on the main shaft (1); Automatic catch driving gear (41) and manual retaining driving gear (51) are enclosed within respectively on the input shaft (7) of change gear transmission; Automatic catch driving gear (41) is meshed with automatic catch driven gear (42); Manually retaining driving gear (51) is meshed with manually keeping off driven gear (52), and the output shaft (6) of motor (3) connects with the input shaft (7) of change gear transmission.
2. multi-stage mechanical Variable-speed electric wheel hub according to claim 1; It is characterized in that; Said automatic catch change-gear set (4) and manual retaining change-gear set (5) place respectively in the housing (8) of change gear transmission; Motor is fixed on the housing (8), and said automatic catch driven gear (42) and manual retaining driven gear (52) are set on the main shaft (1) through hollow shaft (9) respectively, and input shaft (7) two ends are installed on the housing (8) through bearing (34) respectively; Automatic catch driven gear (42) and manual retaining driven gear (52) are respectively equipped with internal tooth (1a); Sheathed this section hollow shaft (9) of automatic catch driven gear (42) is provided with ratchet loose slot (91); Ratchet loose slot (91) is provided with ratchet (92); Ratchet (92) is installed on the ratchet loose slot (91) through ratchet button spring (93); One end of ratchet (92) can embed the internal tooth (1a) of automatic catch driven gear (42) in ratchet button spring (93) effect perk; Manually sheathed this section hollow shaft (9) of retaining driven gear (52) is provided with blind loose slot (94), is provided with the blind of vertical axial tilting (95) therein in the blind loose slot (94), and blind (95) is provided with and acts on the spring (96) that makes the perk of one of which end on the hollow shaft (9); That end of blind (95) perk can embed the manually internal tooth (1a) of retaining driven gear (52); Be provided with vertically the sliding part (10) that slides in the axis hole (91) of hollow shaft (9), sliding part (10) can push up blind (95) and stick up into an end, is provided with in the axis hole (91) to drive sliding part (10) actuator (97) in axial sliding in axis hole (91).
3. multi-stage mechanical Variable-speed electric wheel hub according to claim 2 is characterized in that, the groove (10b) that said sliding part (10) is provided with, and the side of groove (10b) is provided with annular slope (10a).
4. multi-stage mechanical Variable-speed electric wheel hub according to claim 3 is characterized in that, said blind (95) side is provided with guiding surface (95a).
5. multi-stage mechanical Variable-speed electric wheel hub according to claim 4 is characterized in that, the end of said sliding part (10) is provided with annular slope (10a).
6. according to each described multi-stage mechanical Variable-speed electric wheel hub of claim 2 to 5; It is characterized in that; Said blind loose slot (94) is provided with spring eye (94a), and spring (96) one ends place in the spring eye (94a), the perk end in contact of the other end and blind (95).
7. multi-stage mechanical Variable-speed electric wheel hub according to claim 6 is characterized in that, said automatic catch driven gear (42), each diameter that manually keeps off driven gear (52) are variant.
8. multi-stage mechanical Variable-speed electric wheel hub according to claim 7 is characterized in that, said main shaft (1) is provided with a passage (11), and the sidewall of main shaft (1) is provided with fluting (12), and passage (11) is communicated with fluting (12); Actuator (97) comprises block key (13) and becomes retaining thimble (14); Block key (13) places fluting (12); Become retaining thimble (14) and place passage (11); Become retaining thimble (14) one ends and contact with block key (13), block key (13) two ends are connected with sliding part (10), also are provided with retracing spring (10c) on the sliding part (10).
9. multi-stage mechanical Variable-speed electric wheel hub according to claim 8 is characterized in that, the both sides of said wheel rim (2) are separately installed with wheel cap (2a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200732434U CN202439563U (en) | 2012-03-01 | 2012-03-01 | Multilevel mechanical speed-changing electric wheel hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200732434U CN202439563U (en) | 2012-03-01 | 2012-03-01 | Multilevel mechanical speed-changing electric wheel hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202439563U true CN202439563U (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200732434U Expired - Fee Related CN202439563U (en) | 2012-03-01 | 2012-03-01 | Multilevel mechanical speed-changing electric wheel hub |
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| Country | Link |
|---|---|
| CN (1) | CN202439563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104149599A (en) * | 2014-08-14 | 2014-11-19 | 刘峰 | Multistage variable-speed electric hub |
-
2012
- 2012-03-01 CN CN2012200732434U patent/CN202439563U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104149599A (en) * | 2014-08-14 | 2014-11-19 | 刘峰 | Multistage variable-speed electric hub |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20170301 |